WO2020172400A1 - Composition de couchage de papier contenant des taux élevés d'amidon - Google Patents

Composition de couchage de papier contenant des taux élevés d'amidon Download PDF

Info

Publication number
WO2020172400A1
WO2020172400A1 PCT/US2020/019027 US2020019027W WO2020172400A1 WO 2020172400 A1 WO2020172400 A1 WO 2020172400A1 US 2020019027 W US2020019027 W US 2020019027W WO 2020172400 A1 WO2020172400 A1 WO 2020172400A1
Authority
WO
WIPO (PCT)
Prior art keywords
starch
paper
coating
paperboard
coating composition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2020/019027
Other languages
English (en)
Inventor
James Fogg
Daryl Holland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corn Products Development Inc Brazil
Corn Products Development Inc USA
Original Assignee
Corn Products Development Inc Brazil
Corn Products Development Inc USA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Corn Products Development Inc Brazil, Corn Products Development Inc USA filed Critical Corn Products Development Inc Brazil
Priority to EP20715519.3A priority Critical patent/EP3927885A1/fr
Priority to CA3129837A priority patent/CA3129837C/fr
Priority to US17/432,683 priority patent/US20220018070A1/en
Priority to MX2021009568A priority patent/MX2021009568A/es
Publication of WO2020172400A1 publication Critical patent/WO2020172400A1/fr
Anticipated expiration legal-status Critical
Priority to US19/012,102 priority patent/US20250146227A1/en
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/57—Polyureas; Polyurethanes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18—Reinforcing agents

Definitions

  • coating starch composition comprising a starch and a plasticizer, as well as a paper coating composition comprising said coating starch composition, where the paper coating composition contains at least 2% starch, a dry solids content of at least 40%, and a viscosity of less than about 1200 cPs, as well as methods of using and making such
  • compositions such as, for example, in paper manufacturing processes.
  • the paper and board produced with one or more paper coating composition described herein meets desired strength requirements without having to add more starch before applying said one or more paper coating composition via, e.g., the coaters (i.e., eliminates, e.g., the addition of starch via a wet stack calendering or size press step).
  • Coated paper and paperboard require a certain level of surface strength to withstand the stresses of the ink tack in a printing process.
  • the surface of the paper or paperboard is often treated with a first coating of starch applied at, e.g., a wet stack calender or size press prior to being coated with a second coating of starch via a paper coating composition.
  • Manufacturers employing a wet stack calender in the paper-making/paperboard-making process frequently sacrifice machine speed, board density (e.g., too heavy for a given caliper), quality, and uptime associated with the use of, e.g., a wet stack calender or size press.
  • adding starch via a first coating at, e.g., a wet stack calender or size press before coating the paper or paperboard with a second coating of starch via the paper coating composition at, e.g., a coater increases the costs associated with manufacturing the paper or paperboard.
  • a first coating at, e.g., a wet stack calender or size press increases the costs associated with manufacturing the paper or paperboard.
  • Disclosed herein is one or more paper coating composition containing the level of starch required to produce paper or board with the required surface strength and quality while still having the desired viscosity and solids content that manufacturers demand, and which also enables the first coating of starch that was applied at, e.g., a wet calender or size press to be eliminated. More specifically, described herein is one or more paper coating composition comprising a coating starch composition comprising a starch and a plasticizer, wherein said paper coating composition contains at least about 2%, from about 2% to about 30%, from about 2% to about 25%, from about 2% to about 22%, or from about 2% to about 10% starch.
  • Another embodiment describes one or more paper coating composition that has (i) a viscosity of less than 1200 cPs, about 100 to about 1200 cPs, about 200 to about 1200 cps, or about 300 to about 600cPs and a solids content of at least 40%, 45%, 50%, 55%, 60%, 65% or 70% dry solids (ds) basis, or (ii) a viscosity of about 300 to about 600 cPs and a solids content of at least 60% dry solids (ds) basis; and, optionally, wherein the viscosity is measured on a Brookfield Viscometer at 20 rpm at 18.3 °C.
  • Still a further embodiment describes a coating starch composition comprising a starch and a plasticizer, where the coating starch composition has a starch and plasticizer solids level of at least 40% ds basis. Yet still a further embodiment describes a coating starch composition containing 1 part starch for each 1, 1.5, 2, 2.5, 3, 3.5, or 4 parts plasticizer. An even still further embodiment describes a paper coating composition containing from 2 to 20 parts of the starch and from 5 to 35 parts of the plasticizer, from 2 to 10 parts of the starch and from 5 to 25 parts of the plasticizer, or 10 parts of the starch and 25 parts of the plasticizer. A still yet further embodiment describes a paper substrate comprising, on at least one surface, one or more paper coating composition described herein.
  • Another embodiment disclosed herein provides a method of manufacturing a dry- finished, coated paper or paperboard product comprising applying one or more paper coating composition described herein to at least one side of a paper or paperboard, and obtaining a dry finished, coated paper or paperboard.
  • Yet another embodiment disclosed herein provides a method of manufacturing a dry-finished, coated paper or paperboard product comprising applying one or more paper coating composition described herein to at least one side of a paper or paperboard, and obtaining a dry finished, coated paper or paperboard, with the proviso that the method does not comprise a wet stack calendering step prior to applying one or more paper coating composition described herein.
  • Some embodiments describe one or more methods where no starch is applied to the paper or paperboard prior to or after the application of one or more paper coating composition described herein. In some embodiments, one or more method described herein eliminates the use of a wet stack calendering step prior to the application of one or more paper coating composition described herein. In some embodiments, one or more paper coating composition described herein is applied to the paper or paperboard at a coater.
  • the dry-finished paper or paperboard is characterized by a surface strength equivalent to that of a wet-finished paper or paperboard product as measured by an IGT pick and blister test.
  • the term“DE” or“Dextrose Equivalent” refers to the degree of starch hydrolysis, specifically reducing the value of a starch hydrolysate compared to the reducing value of an equal weight of dextrose, expressed as percent, dry basis, as measured by the Lane any Eynon method described in Standard Analytical Method E-26, Corn Refiners Association,
  • DP refers to the number of saccharide units.
  • DPI saccharide is intended herein to refer to a monosaccharide, such as dextrose.
  • “dry finish” or“dry finished” is paper or paperboard to which no starch is added at, e.g., a wet stack calender prior to, e.g., a coater.
  • “low sugar syrup” means a syrup that has low mono- and di saccharide content, such as, for example, a DPI + DP2 content less than about 65%, less than about 25%, or less than about 20%, less than about 19%, less than about 18%, less than about 17% less than about 16%, less than about 15%, less than about 14%, less than about 13%, less than about 12%, less than about 11%, or less than about 10%.
  • Exemplary commercial low sugar syrups include but are not limited to VERSASWEETTM 1524 low sugar glucose syrup
  • VERSASWEET ® 1526 low sugar glucose syrup VERSASWEET ® 1526 NGM low sugar glucose syrup, VERSASWEET ® 1531 low sugar glucose syrup, STABLESWEET ® glucose syrup, BIOLIGIO ® ML6810 glucose syrup (Ingredion Inc.), MULTIVANTAGE ® syrup (Tate & Lyle), VERSYRA TM reduced sugar corn syrup, and CLEARDEX ® com syrup (Cargill).
  • Paper and paperboard are sheet materials made up from an interlaced network of cellulose fibers. The distinction between paper and paperboard is not great; however, in general, paperboard is thicker than paper and has a higher weight per unit area. Paper over 200 g/m 2 is defined by the International Organization for Standardization (ISO) as paperboard or board. However, some products are known as paperboard even though they are manufactured in grammages less than 200 g/m 2 . Broad classes within paperboard include containerboard, boxboard, and all other paperboard. “Recycled paperboard” is paperboard manufactured using recovered paper, such as newspapers, corrugated containers, and mixed papers.
  • Recycled paperboard containers include, but are not limited to, linerboard and corrugating medium, folding boxboard used for packaging cereal and other food products, soap powders, and other dry products, and set-up boxboard.
  • Recycled paperboard is also used for many non-packaging products, including but not limited to, gypsum wallboard facing, tubes, cans, drums, matches, tags, tickets, game boards, and puzzles.
  • a“plasticizer” means any material that competes for hydrogen bonding with starch molecules and thus disrupts hydrogen bonding between the starch molecules. This increases the flexibility of a film made with starch and other components.
  • materials that plasticize starch include glycerin/glycerol, urea, formamide, citric acid (and other carboxylic acids), ethylene glycol, sugars (e.g. sucrose), maltodextrins, dextrin, starch derived syrups (such as corn syrup), and sugar alcohols (e.g., sorbitol and maltitol).
  • plasticizers especially the sugars, maltodextrins, and starch derived syrups listed above are or can be derived from a carbohydrate source such as starch.
  • Starch can be obtained from any farinaceous material including, but not limited to, for example, corn, dent com, waxy corn, wheat, potato, tapioca, peas, sorghum, manioc, sago, and rice.
  • “wet finish” or“wet finished” is paper or paperboard made by adding starch at, for example, a wet stack calender prior to also being added at, for example, a coater.
  • ITT Coating Blister refers to a physical test that measures the surface strength of coating layers applied to paper or paper board. The test predicts the point where forces applied to the board through ink tack build in printing causes the internal layers of the board to blister and is used to predict or measure the potential printability of the board coating layers.
  • ITT Coating Pick refers to a physical test that measures the surface strength of coating layers applied to paper or paper board. This test is used to measure the ability of a coating to resist picking as a function of increasing ink tack build with increasing velocity.
  • Basis weight refers to the weight of a paper or paperboard for a defined area.
  • caliper means the thickness of the paper or paperboard.
  • “base coat weight” refers to the weight of the coating when applied to a defined area as a base coat.
  • coating brightness refers to an optical measurement of the coated paper or paperboard surface for the brightness or whiteness of the surface. It is a measure of the visual appearance of the paper or paperboard.
  • “Appearance DMM” means the appearance according to DuPont mottle measurement, which is a quantification of the amount of surface mottle measured when a paper or paper board is scanned under a diffuse lighting scanner. It is a measure of the visual appearance of the paper or paperboard.
  • “Appearance DAV2” means the appearance according to DuPont Appearance Value (version 2), which is an optical test that measures the visual appearance of a paper or paper board surface under several lighting or illumination sources. It is a measure of the visual appearance of the paper or paperboard.
  • Sheffield smoothness is a measurement of the smoothness of a surface of a paper or paper board.
  • Coated paper and paperboard require a certain level of surface strength to withstand the stresses of the ink tack in a printing process.
  • the surface of the paper or board is typically treated with a first coating of starch applied at, e.g., a wet stack calender or size press, followed by a second coating of starch applied at, e.g., a coater.
  • a coated paper or board manufacturing process that involve the application of a first coating of starch at, e.g., a wet stack calender, manufacturers sacrifice machine speed, board density, quality, and uptime.
  • rawstock from the paper machine is surface sized and then machine calendered prior to coating.
  • substances such as gelatin, rosin, starch, or other synthetic substances, are added to paper board to improve resistance of the paperboard to liquid or vapor.
  • Calendering is a process that smooths and controls the caliper or thickness of the paperboard.
  • water from one or more water boxes is applied to the paperboard to enhance the calendering results and add binders like starch, but not without detrimental side effects.
  • a wet calendaring step causes the caliper of the paperboard to be reduced while also increasing its density. Accordingly, in order to achieve a certain caliper, additional rawstock will be required, resulting in additional raw materials costs.
  • wet finishing creates operating problems including surface mottling of the paperboard, web breaks, and corrosion on the machine.
  • a further challenge with eliminating the first coating of starch applied at, e.g., a wet stack calender or size press, is providing a paper coating composition that contains enough starch to provide the desired surface strength and quality while also having the desired viscosity and solids content manufacturers demand. Starch is often applied as a strengthening agent during the paperboard manufacturing process.
  • starch in the paper coating composition it may be desirable to increase the amount of starch in the paper coating composition; however, increasing the level of starch in the paper coating composition will result in a highly-viscous, gel-like composition that is difficult to handle, pump, and/or mix with other ingredients, and therefore may negatively impact the production speed of the manufacturing equipment.
  • One or more paper coating compositions described herein exhibit one or more of the aforementioned benefits, including eliminating the wet stack calendaring step and/or the addition of starch via the wet stack calendaring or size press steps, thereby decreasing manufacturing costs while improving manufacturing speed.
  • one or more paper coating composition described herein surprisingly and unexpectedly shows that a plasticizer, such as, for example, corn syrup in combination with starch provides paper and board with excellent strength over paper coating compositions that do not contain a plasticizer, such as, for example, corn syrup.
  • a plasticizer such as, for example, corn syrup in combination with starch
  • One or more paper coating composition disclosed herein enables a dry finished board (no starch added at the wet stack calender) having strength characteristics comparable to those of a wet finished board (starch added at the wet stack calender) to be manufactured after only a single application of one or more starch containing paper coating compositions described herein to the dry finished, coated paper or board (i.e., a single application of one or more paper coating compositions described herein, which enables the addition of starch at the wet stack to be eliminated).
  • one or more paper coating composition described herein enables less total starch to be unexpectedly and surprisingly used in a paperboard manufacturing process (e.g ., ⁇ 33 lbs/ton (-16.5 kg/metric ton) present method vs. -60 lbs/ton (-30 kg/metric ton) conventional method).
  • a starch coating composition and a paper coating composition that enables an improved, simplified paper and paper board manufacturing process.
  • One or more method described herein for using one or more paper coating compositions described herein provides a paperboard manufacturing process that eliminates the wet stack calendaring step, reduce manufacturing time, improves efficiency, improves water retention, improves runnability, improves yield (e.g., caliper vs. basis weight), reduces costs associated with the use of starch at the wet calendering or size press steps, and provide greater flexibility, without compromising the strength and quality of the paperboard.
  • Various embodiments can provide a dry finished, coated paper or board with an IGT surface strength profile that is comparable to that of a wet finished, coated paper or board, thereby eliminating the need for an additional starch application at the wet stack calendaring or size press steps. Additionally, or alternatively, in some embodiments, one or more composition described herein may eliminate vessel segment picking in mills that do not have size presses and use oak or other hard woods as part of their fiber basket.
  • a coating starch composition comprising a starch and plasticizer, a starch and a non-carbohydrate derived plasticizer, a starch and a carbohydrate derived plasticizer, or a starch and a starch derived syrup.
  • one or more coating starch composition described herein has a starch and plasticizer, a starch and a non-carbohydrate derived plasticizer, a starch and a carbohydrate derived plasticizer, or a starch and a starch derived syrup solids level of at least 40% dry solids (ds) basis.
  • one or more coating starch composition described herein contains 1 part of a starch for each 1, 1.5, 2, 2.5, 3, 3.5, or 4 parts of a plasticizer. In yet other embodiments, one or more coating starch composition described herein contains 1 part of a starch for each 2, 2.5, 3, 3.5, or 4 parts of a plasticizer. In yet other embodiments, one or more coating starch composition described herein contains 1 part of a starch for each 2.5 parts of a plasticizer. In still other embodiments, one or more coating starch composition described herein contains 1 part of a starch for each 2.5 parts of a starch derived syrup.
  • one or more coating starch composition described herein contains 1 part PEN-COTE ® L800 (Ingredion) starch for each 2.5 parts of maltose syrup with a DE of 53, such as, for example, GLOBE ® 55 HM Com Syrup (Ingredion).
  • a paper coating composition comprising one or more coating starch compositions described herein.
  • one or more paper coating composition described herein contains at least about 2%, from about 2% to about 30%, from about 2% to about 25%, from about 2% to about 22%, or from about 2% to about 10% starch.
  • one or more paper coating composition described herein has a viscosity of less than 1200 cPs.
  • one or more paper coating composition described herein has a viscosity of less than 1100 cPs, less than 1000 cPs, less than 900 cPs, less than 800 cPs, less than 700 cPs, less than 600 cPs, or less than 500 cPs, including any and all ranges and subranges therein.
  • one or more paper coating composition described herein has a viscosity of less than 1200 cPs, about 100 to about 1200 cPs, about 200 to about 1200 cps, or about 300 to about 600 cPs including any and all ranges and subranges therein.
  • one or more paper coating composition described herein has a viscosity of about 300 to about 600 cPs. In still other embodiments, one or more paper coating composition described herein has a viscosity of about 600 to about 700 cPs. In even yet other embodiments, one or more paper coating composition described herein has a viscosity of about 500 to about 600 cPs.
  • one or more paper coating composition described herein has a solids content of at least 40% dry solids (ds) basis. In some embodiments, one or more paper coating composition described herein has a solids content of at least 40% ds basis, at least 45% ds basis, at least 50% ds basis, at least 55% ds basis, at least 60% ds basis, at least 65% ds basis, or at least 70% ds basis. In some embodiments, one or more paper coating composition described herein has a solids content of at least 45% ds basis, at least 50% ds basis, or at least 60% ds basis.
  • one or more paper coating composition described herein has a solids content of about 40% to about 70% ds basis, about 50% to about 65% ds basis, or about 55% to about 65% ds basis. In some embodiments, one or more paper coating composition described herein has a solids content of about 60% to about 65% ds basis, about 61% ds basis, about 62% ds basis, about 63% ds basis, about 64% ds basis, or about 65% ds basis.
  • one or more paper coating composition described herein has (i) a viscosity of less than 1200 cPs, about 100 to about 1200 cPs, about 200 to about 1200 cps, or about 300 to about 600 cPs and a solids content of at least 40%, 45%, 50%, 55%, 60%, 65% or 70% ds basis, or (ii) a viscosity of about 300 to about 600 cPs and a solids content of at least about 60% ds basis.
  • one or more paper coating composition described herein contains at least about 2%, from about 2% to about 30%, from about 2% to about 25%, from about 2% to about 22%, or from about 2% to about 10% starch and has (i) a viscosity of less than 1200 cPs, about 100 to about 1200 cPs, about 200 to about 1200 cps, or about 300 to about 600 cPs and a solids content of at least 40%, 45%, 50%, 55%, 60%, 65% or 70% ds basis, or (ii) a viscosity of about 300 to about 600 cPs and a solids content of at least about 60% ds basis.
  • one or more paper coating composition described herein further comprises a pigment and/or a latex.
  • one or more paper coating composition described herein and/or one or more coating starch composition described herein enable methods for the production of a dry finished board having improved surface strength and/or a surface strength that is comparable to a wet finished board.
  • one or more coating starch compositions described herein provide a means of adding more starch to one or more paper coating compositions described herein while at the same time avoiding negative attributes such as increasing the viscosity of the paper coating composition or decreasing the solids content.
  • one or more coating starch composition described herein allows the amount of starch added to a paper coating composition to be increased by at least 2-fold while maintaining a viscosity suitable for coating paper or paperboard as compared to a standard coating starch composition.
  • one or more coating starch composition described herein enables methods for producing a dry finished board having improved surface strength and/or a surface strength that is comparable to a wet finished board while eliminating the need for a wet stack calendering step in the paper manufacturing process and/or eliminating the need to apply starch to the board at the wet stack calender and/or eliminating the need to apply starch to the board at any point prior to or after applying one or more paper coating composition containing one or more coating starch composition described herein.
  • one or more coating starch is
  • compositions described herein enables methods for producing a dry finished board having improved surface strength and/or a surface strength that is comparable to a wet finished board while reducing the overall amount of starch used in methods for manufacturing paper or board without compromising the surface strength of the paper or board.
  • one or more coating starch composition described herein enables methods for producing a dry finished board having improved surface strength and/or a surface strength that is comparable to a wet finished board while reducing the amount of starch employed in the paper manufacturing method.
  • one or more paper coating composition described herein comprises from 2 to 20 parts of a starch and from 5 to 35 parts of a plasticizer. In other embodiments, one or more paper coating composition described herein comprises from 2 to 10 parts of a starch and from 5 to 25 parts of a plasticizer. In yet still other embodiments, one or more paper coating composition described herein comprises 10 parts of a starch and 25 parts of a plasticizer. In even yet further embodiments, one or more paper coating composition described herein comprises from 2 to 20 parts of a starch and from 5 to 35 parts of a starch derived syrup.
  • one or more paper coating composition described herein comprises from 2 to 10 parts of a starch and from 5 to 25 parts of a starch derived syrup. In even yet still other embodiments, one or more paper coating composition described herein comprises 10 parts of a starch and 25 parts of a starch derived syrup.
  • one or more paper coating composition described herein enables methods for producing a dry finished board having improved surface strength and/or a surface strength that is comparable to a wet finished board while eliminating the need for a wet stack calendering step in the paper manufacturing process and/or eliminating the need to apply starch to the board at the wet stack and/or eliminating the need to apply starch to the board at any point prior to or after the application of one or more paper coating composition described herein.
  • one or more paper coating composition described herein enables methods for producing a dry finished board having improved surface strength and/or a surface strength that is comparable to a wet finished board while reducing the overall amount of starch used in methods for manufacturing paper or board without compromising the surface strength of the paper or board.
  • one or more paper coating composition described herein enables methods for producing a dry finished board having improved surface strength and/or a surface strength that is comparable to a wet finished board while reducing the overall amount of starch used in methods for manufacturing paper or board without compromising the surface strength of the paper or board.
  • one or more paper coating composition described herein enables methods for producing a dry finished board having improved surface strength and/or a surface strength that is comparable to a wet finished board while reducing the overall amount of starch used in methods for manufacturing paper or board without compromising the surface strength of the paper or board.
  • one or more paper coating composition described herein enables methods for producing a dry finished board having improved surface strength and/or a surface strength that is comparable to a wet finished board while
  • composition described herein enables methods for producing a dry finished board having improved surface strength and/or a surface strength that is comparable to a wet finished board while reducing the amount of starch used in the paper-manufacturing method.
  • one or more coating starch composition described herein or one or more paper coating composition described herein allows the amount of starch employed in the overall paper-manufacturing method to be reduced from approximately 60 lbs starch per ton ( ⁇ 30 kg/metric ton) of paperboard to approximately 33 lbs of starch per ton (-16.5 kg/metric ton) of paperboard.
  • one or more paper coating composition described herein or one or more coating starch composition described herein enables the amount of starch employed in the paper-manufacturing method to be reduced by at least 5%, at least 10%, at least 15%, at least 20%, at least 25%, at least 30%, at least 35%, at least 40%, at least 45%, at least 50%, at least 55%, or at least 60%, including any and all ranges and subranges therein.
  • one or more paper coating composition described herein or one or more coating starch composition described herein enables the amount of starch used in the paper
  • one or more paper coating composition described herein or one or more coating starch composition described herein enables the amount of starch used in the paper-manufacturing method to be reduced by from about 40% to about 45%. In some embodiments, one or more paper coating composition described herein or one or more coating starch composition described herein enables the amount of starch used in the paper-manufacturing method to be reduced by from about 45% to about 50%.
  • the plasticizer is a non-carbohydrate derived plasticizer, a carbohydrate derived plasticizer, or a mixture thereof.
  • the non carbohydrate derived plasticizer is selected from urea, glycerin/glycerol, ethylene glycol, formamide, citric acid or other carboxylic acids, and a mixture of any two or more of the foregoing.
  • the carbohydrate derived plasticizer is a sugar.
  • the sugar is selected from a sucrose, a starch derived syrup, a maltodextrin, a dextrin, a sugar alcohol, or a mixture of any two or more of the foregoing.
  • the carbohydrate derived plasticizer is a starch derived syrup.
  • the sugar alcohol is a sorbitol.
  • the starch derived syrup may be any type of starch derived syrup suitable for use in paper coating formulations.
  • the starch derived syrup is selected from a corn syrup, a low sugar syrup, dextrose, or a mixture of any two or more of the foregoing.
  • the starch derived syrup is a com syrup.
  • the starch derived syrup is a low sugar syrup.
  • the com syrup is a maltose corn syrup or high fructose com syrup.
  • the com syrup is a maltose corn syrup.
  • the com syrup is a high fructose com syrup.
  • the corn syrup is a maltose corn syrup with a DE of 53, such as GLOBE ® 55 HM Com Syrup (Ingredion). In some embodiments, the corn syrup is a high fructose corn syrup.
  • the starch derived syrup has a DE of about 20 to about 100. In some embodiments, the starch derived syrup has a DE of about 30 to about 100, about 35 to about 100, about 40 to about 100, about 45 to about 100, about 50 to about 100, about 55 to about 100, about 60 to about 100, about 65 to about 100, about 70 to about 100, about 75 to about 100, about 80 to about 100, about 85 to about 100, about 90 to about 100, or about 95 to about 100, including any and all ranges and subranges therein.
  • the starch derived syrup has a DE of about 20 to about 90, about 30 to about 90, about 35 to about 90, about 40 to about 90, about 45 to about 90, about 50 to about 90, about 55 to about 90, about 60 to about 90, about 65 to about 90, about 70 to about 90, about 75 to about 90, about 80 to about 90, or about 85 to about 90, including any and all ranges and subranges therein.
  • the starch derived syrup has a DE of about 20 to about 90, about 20 to about 100, about 40 to about 75, about 40 to about 70, about 40 to about 44, about 49 to about 55, about 53 or 53.
  • the starch derived syrup includes any starch derived syrup having a DE of about 40 to about 75. In some embodiments, the starch derived syrup has a DE of about 40 to about 70, about 40 to about 44, about 50 to about 55, about 53 or 53.
  • the starch is obtained or derived from one or a combination of farinaceous materials. Any farinaceous material can be used as the source of the starch including corn, dent com, waxy corn, wheat, potato, tapioca, pea, sorghum, manioc, sago, and rice, among others. Accordingly, the starch can be comprised of one or more unmodified starch, blends of different types of unmodified starches, one or more modified starch, blends of different types of modified starches, and/or blends of modified and unmodified starches.
  • the starch is selected from com starch, dent corn starch, waxy com starch, wheat starch, potato starch, tapioca starch, pea starch, sorghum starch, manioc starch, sago starch, rice starch, and a mixture of any two or more of the foregoing.
  • starch is selected from one or more of unmodified or modified corn starch, unmodified or modified dent corn starch, unmodified or modified waxy corn starch, unmodified or modified wheat starch, unmodified or modified potato starch, unmodified or modified tapioca starch, unmodified or modified pea starch, unmodified or modified sorghum starch, unmodified or modified manioc starch, unmodified or modified sago starch, unmodified or modified rice starch, and blends of two or more of any of the foregoing.
  • the starch may be modified in any manner known in the art.
  • the starch is a thinned starch.
  • Exemplary commercial thinned starches include but are not limited to PENFORD ® GUM 230, PENFORD ® GUM 240, PENFORD ® GUM 250, PENFORD ® GUM 260, PENFORD ® GUM 270, PENFORD ® GUM 280, PEN- COTE ® , FILMKOTE ® 340, FILMKOTE ® 355, FILMKOTE ® 370, FILMKOTE ® 54,
  • the thinned starch is a stable liquid coating starch.
  • Exemplary stable liquid coating starches include but are not limited to PEN-COTE ® L800, PEN-COTE ® LI 000, RediFILM TM 5400, RediFILMTM 5800, or
  • the starch is a modified starch.
  • the modified starch is selected from a nonionic starch, an anionic starch, an amphoteric starch, an etherified starch, an acetylated starch, a sulfonated starch, and a mixture of any two or more of the foregoing.
  • one or more paper coating composition described herein further comprises a pigment and/or a latex.
  • exemplary pigments include but are not limited to clay, calcium carbonate, Ti0 2 , or any combination thereof.
  • exemplary latexes include but are not limited to vinyl acrylic, polyvinyl acetate (PVAC), styrene butadiene, styrene acrylate, or any combination thereof.
  • one or more paper coating composition described herein further comprises about 100 parts pigment and about 10 to about 25 parts latex.
  • One or more paper coating composition described herein and/or one or more coating starch composition described herein may be adapted for use in a number of applications, including in compositions used in the paper-making processes.
  • one or more paper coating composition described herein and/or one or more coating starch composition described herein are adaptable for use in coatings used to make dry finished paper and paperboard.
  • one or more paper coating composition described herein and/or one or more coating starch composition described herein can be applied to parchment, cellophane, metals, textiles, or like surfaces that are wettable by water.
  • One or more paper coating composition described herein and/or one or more coating starch composition described herein are useful, for example, in applications where contact with an aqueous solution is possible, such as, e.g., in offset printing.
  • One or more paper coating composition described herein such as, e.g., coatings on paper and paperboard, are desirable for subsequent operations, such as, e.g., printing, and the like.
  • dry finished paperboard coated with one or more paper coating composition described herein resists picking and blistering during offset printing to an extent that is comparable to that of a wet finished paperboard coated with a standard first starch coating applied, for example, via a wet stack calendar or size press, followed by a second standard coating applied, for example via a coater (hereinafter“conventional paper coating process”).
  • Paper and paperboard coated with one or more paper coating composition described herein may have any surface strength.
  • a dry finished paperboard coated with one or more paper coating composition described herein has a surface strength that is comparable or increased relative to a wet finished paperboard coated with standard paper coating compositions via a conventional paper coating process.
  • Examples of physical tests of a substrate’s e.g ., paper, board, etc.
  • surface strength that correlate well with a substrate’s print performance are the IGT pick and blister tests and wax pick tests.
  • both tests correlate well with strong surface strength of paper substrates. While either of these tests may be utilized, the IGT pick test is preferred.
  • a dry-finished coated paper or paperboard product coated with one or more paper coating composition described herein is characterized by an IGT average increase of at least 50%, 55%, 60%, 61%, 62%, 63%, 64%, 65%, 66%, 67%, 68%, 69%, or 70% as compared to a dry-finished paper or paperboard product coated with standard paper coating compositions via a conventional paper coating process
  • the IGT tests predict the ability of coated or uncoated paper or paperboard to resist picking or blistering during offset printing.
  • the test device operates by applying a known film thickness of polybutyne oil of a given viscosity to an aluminum printing disk.
  • the oil is applied to the disk with a standard IGT inking unity.
  • the oil is transferred to the sample surface while under acceleration.
  • the oil creates a pulling action on the paper surface, similar to offset ink, resulting in picking, blistering, or both.
  • the point at which the picking and blistering starts is the end point of the test.
  • the reported units for both pick and blister are Kilopoise-Centimeters per second (KPCMS).
  • KPCMS Kilopoise-Centimeters per second
  • One or more dry finished paper or board described herein may have at least one surface having a surface strength as measured by the IGT pick and blister test of at least 35 KPCMS, at least 40 KPCMS, at least 45 KPCMS, at least 50 KPCMS, at least 55 KPCMS, at least 60 KPCMS, at least 65 KPCMS, at least 66 KPCMS, at least 67 KPCMS, at least 68 KPCMS, at least 69 KPCMS, at least 70 KPCMS, at least 71 KPCMS, at least 72 KPCMS, at least 73 KPCMS, at least 74 KPCMS, at least 75 KPCMS, at least 76 KPCMS, at least 78 KPCMS, at least 79 KPCMS, or at least 80 KPCMS, including any and all values therein.
  • Paper coating compositions described herein can be applied to one or both sides of the paper or paperboard by any means known in the art. Coating methods include, but are not limited to, roll applicator and metering with roll, rod, blade, bar, or air knife; pond application and metering with roll, rod, blade, or bar, or air knife; premetered films or patterns; foam application; curtain coaters; and combinations of any of the foregoing.
  • a coating starch composition comprising a starch and a plasticizer, wherein said composition has a starch and plasticizer solids level of at least 40% dry solids (ds) basis.
  • composition of embodiment 1, wherein said composition contains 1 part of a starch for each 1, 1.5, 2, 2.5, 3, 3.5, or 4 parts of a plasticizer.
  • non-carbohydrate derived plasticizer is selected from urea, glycerin/glycerol, formamide, citric acid or other carboxylic acids, ethylene glycol, and a mixture of any two or more of the foregoing.
  • carbohydrate derived plasticizer is (i) a sugar; (ii) a sucrose, a starch derived syrup, a maltodextrin, a dextrin, a sugar alcohol, or a mixture of any two or more of the foregoing; (iii) a starch derived syrup selected from a com syrup, a low sugar syrup, dextrose, or a mixture of any two or more of the foregoing; (iv) a maltose corn syrup or a high fructose corn syrup; or (v) a sorbitol.
  • plasticizer is a com syrup selected from maltose com syrup, high fructose com syrup, and a mixture thereof.
  • starch is a modified starch selected from a nonionic starch, an anionic starch, an amphoteric starch, an etherified starch, an acetylated starch, a sulfonated starch, and a mixture of any two or more of the foregoing.
  • starch selected from corn starch, dent com starch, waxy com starch, wheat starch, potato starch, tapioca starch, pea starch, sorghum starch, manioc starch, sago starch, rice starch, and a mixture of any two or more of the foregoing.
  • a paper coating composition comprising the coating starch composition of any preceding embodiment, wherein said composition contains at least about 2%, from about 2% to about 30%, from about 2% to about 25%, from about 2% to about 22%, or from about 2% to about 10% starch.
  • composition has (i) a viscosity of less than 1200 cPs, about 100 to about 1200 cPs, about 200 to about 1200 cps, or about 300 to about 600cPs and a solids content of at least 40%, 45%, 50%, 55%, 60%, 65% or 70% dry solids (ds) basis, or (ii) a viscosity of about 300 to about 600 cPs and a solids content of at least 60% dry solids (ds) basis; and, optionally, wherein the viscosity is measured on a Brookfield Viscometer at 20 rpm at 18.3 °C.
  • a method of manufacturing a dry-finished, coated paper or paperboard product comprising applying the paper coating composition of any one of embodiments 10-13 to at least one side of a paper or paperboard; and obtaining a dry finished, coated paper or paperboard.
  • a paper substrate comprising, on at least one surface, the paper coating composition of any one of embodiments 10-13.
  • PEN-COTE ® L800 coating starch was obtained from Ingredion.
  • PEN-COTE ® D LV coating binder was also obtained from Ingredion.
  • PEN-COTE ® L800 coating starch is a stable liquid waxy starch (Ingredion, Inc.).
  • PEN-COTE ® D LV coating binder is a thinned starch that can be added to a coating in a dry form or, alternatively, rehydrated and then added to a coating (Ingredion, Inc).
  • Liquid Starch Composition A A viscosity reduced hydroxypropyl modified waxy corn starch that has been fully cooked through a jet cooker (hereinafter“Liquid Starch Composition A”) (Ingredion, Inc.).
  • Liquid Starch Composition B A viscosity reduced ethylated dent com starch that has been fully cooked through a jet cooker (hereinafter“Liquid Starch Composition B”)
  • Plasticizers used in the Examples include carbohydrate derived plasticizers such as: ENZOSE® Brewers’ Com Syrup 55 DE or GLOBE ® 55 HM Com Syrup having a DE of 53 (“53 DE High Maltose Com Syrup”) (Ingredion, Inc.); GLOBE ® 63 DE Com Syrup having a DE of 60-67 (Ingredion, Inc.); GLOBE ® Plus 18 DE maltodextrin having a DE of 17-20 (Ingredion, Inc.); VERSASWEET TM 1526 28 DE Glucose Syrup having a DE of 26-30 (Ingredion, Inc ); INVERTOSE ® HFCS 55 (Ingredion, Inc.) and INVERTOSE ® HFCS 42 (Ingredion, Inc.), which are high fructose com syrups; Sucrose (Evaporated Cane Juice from Trader Joe’s); and sorbi
  • a clay pigment and vinyl acrylic latex were also added to the coating compositions, either alone or in combination.
  • Procedure 1 The paperboard was produced on a multi -ply machine, with a press section and steam heated dryer cans. The dried paperboard was then calendered and coated with a rod coater to which a paper coating composition described herein was added. The paperboard was then coated with an airknife coater, dried, calendered again and wound up on a reel.
  • Procedure 2 The paperboard was produced on a multi-ply machine, with a press section and steam heated dryer cans. The dried paperboard was then calendered and coated with a rod coater to which a paper coating composition described herein was added.
  • IGT Pick and Blister Test The Tappi Classical Test Method T 514 cm-92 was used to assess surface strength.
  • Coating 1 the control coating
  • the control paper coating composition comprises 100 parts Clay, 16 parts latex, and 5 parts PEN-COTE ® L800 coating starch, with a viscosity of 680 cPs at 18.3 °C.
  • Coating 2 comprises 100 parts Clay, 16 parts latex, 5 parts PEN- COTE ® L800 coating starch, and 30 parts 53 DE High Maltose Com Syrup, with a viscosity of 160 cPs at 18.3 °C.
  • Coating 3 comprises 100 parts Clay, 16 parts latex, 35 parts PEN-COTE ® D LV coating binder (a thinned coating starch), with a viscosity of 1480 cPs at 18.3 °C.
  • Coating 4 the“high starch coating,” comprises 100 parts Clay, 16 parts latex, 10 parts PEN-COTE ® L800 starch, and 25 parts 53 DE High Maltose Com Syrup, with a viscosity of 560 cPs at 18.3 °C. All coating parts were added based on dry solids weight (parts is the standard convention for paperboard coatings where the pigment portion makes up 100 parts and all the other materials are additive). Viscosity was measured using the Brookfield viscosity test. The test allows for a variety of RPMs to be employed. Viscosity measurements were performed at 20 RPMs.
  • Procedure 1 set forth hereinabove.
  • Wet finished uncoated board and dry finished uncoated board were used as the substrates.
  • a wet finished uncoated board was rod coated with Coating 1 set forth in Table 1.
  • the wet finish board was produced by adding starch to the wet stack calender prior to the coaters.
  • a first dry finished board was rod coated with Coating 1 set forth in Table 1.
  • a second dry finished board was rod coated with the high starch containing coating of Coating 4 set forth in Table 1.
  • the dry finish board was produced without adding starch to the wet stack calender prior to the coaters. All 3 boards were subsequently top coated with a control airknife topcoat.
  • the boards were calendered after coatings applied and then tested. Coatings 1 and 4 from Table 1 were applied on a 2.5 lbs/msf (12.21 grams/m 2 ) base sheet for each test group.
  • the high starch coating (coating 4) had an IGT average increase of 63%, as compared to the standard coating (coating 1) on the dry finished board.
  • the dry finished boards coated with the high starch coating (coating 4) exhibited on average a slightly higher blister IGT than the standard coating (coating 1) on a wet finished paperboard.
  • the higher starch solids content of the paper coating composition enabled the wet stack calender to be eliminated from the paper coating process, thereby decreasing manufacturing time and costs associated therewith.
  • the starch content can be doubled (from 5 parts to 10 parts) while producing a coating that has a lower viscosity than a standard coating (coating 1).
  • the compositions of the present technology enable additional starch to be added to the paper coating compositions applied via the rod coaters without increasing the viscosity, thereby permitting the elimination of the wet stack calendering step without compromising the strength and quality of the finished paperboard product.
  • the coating 5 control composition is a standard paper coating composition routinely used as a basecoat to coat recycled paperboard.
  • the coating 5-22 compositions are coatings compositions prepared in accordance with the present invention with a variety of starch derived syrups. All coating parts were added based on dry solids weight (parts is the standard convention for paperboard coatings where the pigment portion makes up 100 parts and all the other materials are additive) using an overhead mixer. Viscosity was measured using the Brookfield viscosity test. The test allows for a variety of RPMs to be employed. Viscosity measurements were performed at a temperature of 23.9 °C using spindle 4 at 20 RPMs.
  • the solids content of the coating 5-16 and 19-22 compositions was measured using a moisture balance (available from Mettler-Toledo Ltd., Beaumont Ley, Leicester, UK).
  • the solids content of the coating 17-18 compositions was calculated based on the solids content of the ingredients used as measured or provided by the manufacturer.
  • each coating 5-22 composition was coated on a dry finished board in accordance with the Paper Board Milling, Procedure 2 set forth hereinabove using a hand drawdown process using a rod. None of the boards were subsequently top coated.
  • Additional paper coating compositions were prepared with the ingredients as shown in Table 4.
  • the coating 23 control composition is a standard paper coating composition routinely used as a basecoat to coat recycled paperboard.
  • the coating 24-31 compositions are coating compositions prepared in accordance with the present invention with a variety of starches. All coating parts were added based on dry solids weight (parts is the standard convention for paperboard coatings where the pigment portion makes up 100 parts and all the other materials are additive) using an overhead mixer. Viscosity was measured using the
  • Brookfield viscosity test The test allows for a variety of RPMs to be employed. Viscosity measurements were performed at a temperature of 23.9 °C using spindle 4 at 20 RPMs. The solids content of the coating 23-31 compositions was measured using a moisture balance
  • Each coating 23-31 composition was coated on a dry finished board in accordance with the Paper Board Milling, Procedure 2 set forth hereinabove using a hand drawdown process using a rod. None of the boards were subsequently top coated.
  • Each of the Table 4 coating compositions 24-31 exhibited a lower viscosity in combination with improved strength characteristics than the coating 23 control composition.
  • Paper coating compositions were prepared with the ingredients as shown in Table 5.
  • the coating 32 control composition is a standard paper coating composition routinely used as a basecoat to coat recycled paperboard.
  • the coating 33 composition was prepared in accordance with the present invention. All coating parts were added based on dry solids weight (parts is the standard convention for paperboard coatings where the clay portion makes up 100 parts and all the other materials are additive) using an overhead mixer.
  • each coating 32-33 composition was coated on a dry finished board in accordance with the Paper Board Milling, Procedure 2 set forth hereinabove using a hand drawdown process using a rod. None of the boards were subsequently top coated.
  • Tables 5 and 6 the surface and physical characteristics of the coated paper boards were measured at least three times and reported as an average (“Avg”) measurement.
  • a range includes each individual member.
  • a group having 1-3 cells refers to groups having 1, 2, or 3 cells.
  • a group having 1-5 cells refers to groups having 1, 2, 3, 4, or 5 cells, and so forth.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)

Abstract

L'invention concerne une composition d'amidon de couchage comprenant un amidon et un plastifiant, ainsi qu'une composition de couchage de papier comprenant ladite composition d'amidon de couchage, la composition de couchage de papier contenant au moins 2 % d'amidon, et ayant une teneur en solides secs d'au moins 40 %, et une viscosité inférieure à environ 1200 cPs, ainsi que des procédés d'utilisation et de fabrication de telles compositions, telles que, par exemple, dans des procédés de fabrication de papier.
PCT/US2020/019027 2019-02-22 2020-02-20 Composition de couchage de papier contenant des taux élevés d'amidon Ceased WO2020172400A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP20715519.3A EP3927885A1 (fr) 2019-02-22 2020-02-20 Composition de couchage de papier contenant des taux élevés d'amidon
CA3129837A CA3129837C (fr) 2019-02-22 2020-02-20 Composition de couchage de papier contenant des taux eleves d'amidon
US17/432,683 US20220018070A1 (en) 2019-02-22 2020-02-20 Paper coating composition containing high starch levels
MX2021009568A MX2021009568A (es) 2019-02-22 2020-02-20 Composicion de recubrimiento de papel que contiene altos niveles de almidon.
US19/012,102 US20250146227A1 (en) 2019-02-22 2025-01-07 Paper Coating Composition Containing High Starch Levels

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962809177P 2019-02-22 2019-02-22
US62/809,177 2019-02-22
US201962855461P 2019-05-31 2019-05-31
US62/855,461 2019-05-31

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US17/432,683 A-371-Of-International US20220018070A1 (en) 2019-02-22 2020-02-20 Paper coating composition containing high starch levels
US19/012,102 Continuation US20250146227A1 (en) 2019-02-22 2025-01-07 Paper Coating Composition Containing High Starch Levels

Publications (1)

Publication Number Publication Date
WO2020172400A1 true WO2020172400A1 (fr) 2020-08-27

Family

ID=70057227

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2020/019027 Ceased WO2020172400A1 (fr) 2019-02-22 2020-02-20 Composition de couchage de papier contenant des taux élevés d'amidon

Country Status (5)

Country Link
US (2) US20220018070A1 (fr)
EP (1) EP3927885A1 (fr)
CA (1) CA3129837C (fr)
MX (1) MX2021009568A (fr)
WO (1) WO2020172400A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR132734A1 (es) * 2023-05-19 2025-07-23 Suzano Sa Composición de barrera, su uso, método para fabricar envases flexibles y envases de papel
WO2026055285A1 (fr) * 2024-09-06 2026-03-12 Cargill, Incorporated Composition de revêtement pour substrat en papier

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289808A (en) * 1978-07-19 1981-09-15 Westvaco Corporation Process for producing dry finished paperboard
US4997479A (en) * 1990-02-05 1991-03-05 Ppg Industries, Inc. High solids content calcium stearate dispersions
WO2001092401A2 (fr) 2000-06-01 2001-12-06 A.E. Staley Manufacturing Co. Films tres souples a base d'amidon
WO2004092483A2 (fr) * 2003-04-07 2004-10-28 International Paper Company Papiers destines a l'impression electrophotographique a liquide et procede de fabrication associe
US20080193784A1 (en) * 2007-02-13 2008-08-14 Tippit Patricia S Starch-Containing Compositions for Use in Imparting Oil or Grease Resistance to Paper
US20090314183A1 (en) * 2008-06-24 2009-12-24 S.D. Warren Company Multi-component Starch Binder Compositions
US20110247775A1 (en) * 2010-04-07 2011-10-13 Sutman Frank J Stable and Aqueous Compositions of Polyvinylamines with Cationic Starch, and Utility for Papermaking
US8821689B1 (en) * 2013-01-25 2014-09-02 Penford Products Co. Starch-biogum compositions
WO2015179470A1 (fr) * 2014-05-21 2015-11-26 Cargill, Incorporated Composition de revêtement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6528088B1 (en) * 2000-06-01 2003-03-04 A. E. Staley Manufacturing Co. Highly flexible starch-based films
US20140201872A1 (en) * 2011-08-30 2014-07-17 Dow Global Technologies Llc Coating composition comprising a cellulose ether and starch

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289808A (en) * 1978-07-19 1981-09-15 Westvaco Corporation Process for producing dry finished paperboard
US4997479A (en) * 1990-02-05 1991-03-05 Ppg Industries, Inc. High solids content calcium stearate dispersions
WO2001092401A2 (fr) 2000-06-01 2001-12-06 A.E. Staley Manufacturing Co. Films tres souples a base d'amidon
WO2004092483A2 (fr) * 2003-04-07 2004-10-28 International Paper Company Papiers destines a l'impression electrophotographique a liquide et procede de fabrication associe
US20080193784A1 (en) * 2007-02-13 2008-08-14 Tippit Patricia S Starch-Containing Compositions for Use in Imparting Oil or Grease Resistance to Paper
US20090314183A1 (en) * 2008-06-24 2009-12-24 S.D. Warren Company Multi-component Starch Binder Compositions
US20110247775A1 (en) * 2010-04-07 2011-10-13 Sutman Frank J Stable and Aqueous Compositions of Polyvinylamines with Cationic Starch, and Utility for Papermaking
US8821689B1 (en) * 2013-01-25 2014-09-02 Penford Products Co. Starch-biogum compositions
WO2015179470A1 (fr) * 2014-05-21 2015-11-26 Cargill, Incorporated Composition de revêtement

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Standard Analytical Method E-26", 1977, CORN REFINERS ASSOCIATION, pages: 1 - 3
See also references of EP3927885A1

Also Published As

Publication number Publication date
EP3927885A1 (fr) 2021-12-29
MX2021009568A (es) 2021-09-08
US20220018070A1 (en) 2022-01-20
CA3129837A1 (fr) 2020-08-27
CA3129837C (fr) 2023-10-03
US20250146227A1 (en) 2025-05-08

Similar Documents

Publication Publication Date Title
US20250146227A1 (en) Paper Coating Composition Containing High Starch Levels
AU2009251658B2 (en) Low density paperboard
CN103975107B (zh) 具有阻挡涂层的纸和纸板包装
EP2514868B1 (fr) Couche primaire et structure de carton associé
TWI669429B (zh) 經塗覆之紙板以及其製法
EP2867409B1 (fr) Procédé et appareil de couchage de papier par film coating
US11279843B2 (en) Dextrin-based coating slips
US20140004340A1 (en) Light and smooth coating for paper or board, or a paint coating, formed using a composite structure
WO2009117649A1 (fr) Procédé pour enduire du carton apprêté à sec
US8216381B2 (en) Use of a leguminous starch derivative for coating paper or folding carton and coating composition containing same
EP2024563B1 (fr) Composition destinée à améliorer l'imprimabilité d'un papier couché
CN102362030A (zh) 具有两面涂层的低密度纸张和纸板
JP6473427B2 (ja) 塗工白板紙及びその製造方法
EP4624657B1 (fr) Emballage à torsion sans cire
JPH1171403A (ja) 低粘度澱粉誘導体及びその澱粉誘導体を配合した塗被紙用塗被組成物
US20230049303A1 (en) Binder composition for board coating slips

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20715519

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 3129837

Country of ref document: CA

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2020715519

Country of ref document: EP

Effective date: 20210922