WO2023200370A1 - Procédé de production de liant cationique à base d'amidon pour le collage de papier - Google Patents

Procédé de production de liant cationique à base d'amidon pour le collage de papier Download PDF

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Publication number
WO2023200370A1
WO2023200370A1 PCT/RU2023/050062 RU2023050062W WO2023200370A1 WO 2023200370 A1 WO2023200370 A1 WO 2023200370A1 RU 2023050062 W RU2023050062 W RU 2023050062W WO 2023200370 A1 WO2023200370 A1 WO 2023200370A1
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WO
WIPO (PCT)
Prior art keywords
starch
amount
cooking
producing
water
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/RU2023/050062
Other languages
English (en)
Russian (ru)
Inventor
Валерий Анатольевич ВИТВИНИН
Станислав Глебович ЕРМАКОВ
Константин Андреевич СИНЯЕВ
Эдуард Магерамович КУЛИЕВ
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.)
Joint Stock Co 'goznak' 'goznak'
Original Assignee
Joint Stock Co 'goznak' 'goznak'
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
Priority claimed from RU2022109785A external-priority patent/RU2790817C1/ru
Application filed by Joint Stock Co 'goznak' 'goznak' filed Critical Joint Stock Co 'goznak' 'goznak'
Publication of WO2023200370A1 publication Critical patent/WO2023200370A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/04—Starch derivatives, e.g. crosslinked derivatives
    • 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
    • D21H17/29—Starch cationic

Definitions

  • the invention relates to pulp and paper production and can be used in the production of paper, cardboard and other non-woven paper-like materials with intra-mass sizing with a starch binder.
  • the described method is a development of the technology for producing starch binders and is based on a previously developed method for producing a binder for surface sizing of paper RU 2627373.
  • the objective of the present invention is to create a simple method for producing a cationic starch binder for intra-mass sizing by simultaneous oxidation and cationization of natural starch in a continuous or batch mode, providing high productivity of the process and the ability to quickly regulate the concentration, viscosity and cationic charge of the target product.
  • the problem is solved by simultaneous processing of natural starch with a solution of ammonium or sodium persulfate, as well as a solution of a cationic polyelectrolyte based on copolymers of acrylamide and a cationic comonomer based on acrylic acid or acrylamide (for example, dimethylamino-propylacrylamide) at elevated temperature to obtain a binder with a given concentration and viscosity and cationic charge.
  • the processing process is carried out in a digester by simultaneously feeding starch of natural moisture, a solution of persulfuric acid salt with a flow rate of 0.2-2.5% by weight of absolutely dry starch, a solution of cationic polyelectrolyte with a flow rate of 1.5-5.0% by weight
  • SUBSTITUTE SHEET (RULE 26) absolutely dry starch and, if necessary, water, followed by continuous or batch cooking at a concentration of starch suspension in the range of 4-16% and a temperature of 95-130 °C for 20-40 s for continuous cooking and 20-50 min for batch cooking, with further dilution with water to the required concentration.
  • a technical result is achieved, which consists in obtaining and the possibility of easy and prompt regulation of the properties of the target product, ensuring its specified characteristics due to the possibility of quickly changing controlled process factors: dry starch consumption, oxidizing agent consumption, cationizing agent consumption, water consumption, temperature cooking, cooking duration.
  • Natural starch with a moisture content of 12% is processed at a temperature of 130 °C in an automatic continuous cooking unit with a solution of ammonium persulfate with a concentration of 20% with a consumption of 0.28% by weight of absolutely dry starch, as well as a solution of cationic polyelectrolyte with the trade name Praestafix 1250 in commercial form with consumption of 4.4% by weight of absolutely dry starch, with the addition of water based on cooking a suspension with a concentration of 15.0%.
  • the cooking duration is 30 seconds and is determined by the design of the heat exchanger of the cooking unit.
  • the starch binder is diluted with water to a concentration of 2% and has the following parameters: viscosity according to VZ-2 - 52-55 s, cationic charge of the sample diluted with distilled water in a ratio of 1:10 - 85-90 mEq/l.
  • Natural starch with a moisture content of 12% is treated in a batch digester with ammonium persulphate solution
  • SUBSTITUTE SHEET (RULE 26) concentration of 20% with a consumption of 0.2% by weight of absolutely dry starch, as well as a solution of cationic polyelectrolyte with the trade name Praestol 644 BC with a concentration of 0.15% with a consumption of 2% by weight of absolutely dry starch, with the addition of water based on cooking the suspension with a concentration of 4 % at 93 °C. Cooking time is 30 minutes.
  • the starch binder is diluted with water to a concentration of 2.5% and has the following parameters: viscosity according to VZ-2 - 60-63 s, cationic charge of the sample diluted with distilled water in a ratio of 1:10 - 92-97 mEq/l .

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un procédé de production de liant cationique à base d'amidon pour le collage dans la masse de papier, et se rapporte à la production de papier, de carton, et de matériau assimilés au papier. Le résultat technique consiste en la possibilité d'obtenir un produit cible et d'ajuster facilement et fonctionnellement ses propriétés afin de garantir ses caractéristiques données grâce à la possibilité de changer rapidement les facteurs de commande du processus: consommation d'amidon en poudre, consommation d'oxydant, consommation d'eau, température de chauffe, durée. Ce processus de traitement est réalisé dans un autoclave en traitant simultanément l'amidon avec l'humidité naturelle, une solution de sel d'acide sulfureux selon une concentration de 0,2-2,5 % par rapport à la masse d'amidon complètement sec, une solution de polyélectrolyte cationique selon une concentration de 1,5-5,0 % par rapport à la masse d'amidon complètement sec et, si nécessaire, de l'eau, suivi d'un chauffage continu ou périodique à une concentration de suspension d'amidon dans une plage de 4-16% et à une température de 95-130°C pendant 20-40 secondes pour le chauffage continu et de 20-50 minutes pour le chauffage périodique, après quoi on effectue une dilution avec de l'eau jusqu'à obtenir la concentration voulue.
PCT/RU2023/050062 2022-04-12 2023-03-24 Procédé de production de liant cationique à base d'amidon pour le collage de papier Ceased WO2023200370A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2022109785A RU2790817C1 (ru) 2022-04-12 Способ получения катионного крахмального связующего для проклейки бумаги
RU2022109785 2022-04-12

Publications (1)

Publication Number Publication Date
WO2023200370A1 true WO2023200370A1 (fr) 2023-10-19

Family

ID=88330113

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2023/050062 Ceased WO2023200370A1 (fr) 2022-04-12 2023-03-24 Procédé de production de liant cationique à base d'amidon pour le collage de papier

Country Status (1)

Country Link
WO (1) WO2023200370A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272297A (en) * 1978-01-18 1981-06-09 Blue Circle Industries Limited Compositions for use with papermaking fillers
SU1491922A1 (ru) * 1987-12-28 1989-07-07 Центральный научно-исследовательский институт бумаги Способ подготовки крахмального св зующего дл поверхностной проклейки бумаги
RU2538582C2 (ru) * 2009-04-29 2015-01-10 Упм-Кюммене Корпорейшн Способ производства бумаги и композиции бумаги
US20150068697A1 (en) * 2012-03-23 2015-03-12 Kemira Oyj Method for dissolving cationic starch, papermaking agent and its use
RU2627373C1 (ru) * 2016-12-12 2017-08-08 Акционерное общество "ГОЗНАК" Способ получения крахмального связующего для поверхностной проклейки бумаги

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272297A (en) * 1978-01-18 1981-06-09 Blue Circle Industries Limited Compositions for use with papermaking fillers
SU1491922A1 (ru) * 1987-12-28 1989-07-07 Центральный научно-исследовательский институт бумаги Способ подготовки крахмального св зующего дл поверхностной проклейки бумаги
RU2538582C2 (ru) * 2009-04-29 2015-01-10 Упм-Кюммене Корпорейшн Способ производства бумаги и композиции бумаги
US20150068697A1 (en) * 2012-03-23 2015-03-12 Kemira Oyj Method for dissolving cationic starch, papermaking agent and its use
RU2627373C1 (ru) * 2016-12-12 2017-08-08 Акционерное общество "ГОЗНАК" Способ получения крахмального связующего для поверхностной проклейки бумаги

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHAUHAN VIPUL SINGH, BHARDWAJ NISHI KANT: "Cationic Starch Preflocculated Filler for Improvement in Filler Bondability and Composite Tensile Index of Paper", INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, vol. 53, no. 29, 23 July 2014 (2014-07-23), pages 11622 - 11628, XP093103159, ISSN: 0888-5885, DOI: 10.1021/ie502008d *
ZHITNYUK V.A., SHIRINKINA E.S., VAISMAN Y.I., BELKINA E.V., IDIATULLIN A.M.: "Issledovanie vliyaniya uderzhivayushchikh reagentov na fiksatsiyu rastvorennogo krakhmala v bumazhnom polotne [STUDY OF THE INFLUENCE OF RETENTION REAGENTS ON THE FIXATION OF DISSOLVED STARCH IN PAPER CLOTH]", HERALD OF THE KAZAN TECHNOLOGICAL UNIVERSITY, vol. 19, no. 1, 30 November 2015 (2015-11-30), RU , pages 127 - 130, XP009550385, ISSN: 1998-7072 *

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