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
  • 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
  • D21H21/34—Ignifugeants
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
  • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
  • A24C5/005—Treatment of cigarette paper
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
  • A24D1/00—Cigars; Cigarettes
  • A24D1/02—Cigars; Cigarettes with special covers
  • A24D1/025—Cigars; Cigarettes with special covers the covers having material applied to defined areas, e.g. bands for reducing the ignition propensity
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
  • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
  • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
  • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
  • B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
  • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
  • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
  • B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
  • B05C11/025—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface with an essentially cylindrical body, e.g. roll or rod
• • 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
  • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
  • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
  • D21H23/22—Addition to the formed paper
  • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
  • D21H23/56—Rolls
• • 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
  • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes

Definitions

• the present invention relates to a paper manufacturing apparatus and a manufacturing method, and more particularly to a manufacturing apparatus and a manufacturing method of a cigarette paper having a flame-retardant tape. Background technique
• a cigarette butt can destroy thousands of forests, and the fires caused by smoking are numerous.
• the center temperature of the cigarette butt is as high as 700 ⁇ 800, and the surface temperature of the burning cone is also 300 ⁇ 500, which is much higher than the burning point of general solid combustibles such as paper and cloth.
• Cigarettes rolled from cigarette paper having a flame-retardant tape can effectively improve the safety (i.e., low ignitability) of the cigarette.
• One method of producing a flame-retardant cigarette paper is to print a flame-retardant ribbon coating having a certain interval on a cigarette paper base paper.
• the flame is absorbed by the flame-retardant zone and the amount of oxygen is reduced, so that the cigarette is naturally extinguished; if the cigarette is smoked when it is burned to the flame-retardant zone, the cigarette may be More oxygen is obtained and combustion continues.
• the cigarette paper base paper for producing a flame-retardant cigarette paper is a non-printing paper, no sizing is performed.
• the strip coating area is liable to cause lateral shrinkage, and the non-printing area usually does not have lateral contraction, which is liable to cause wrinkles on the sheet.
• the object of the present invention is to provide a manufacturing apparatus and a preparation method for a cigarette paper having a flame-retardant tape capable of effectively reducing or avoiding wrinkles after printing of a flame-retardant tape without changing the requirements of the technical standards for the production of cigarette paper base paper. .
• the present invention provides a manufacturing apparatus of a cigarette paper having a flame-retardant tape, comprising a first coating press roll and a second coating press roll which are in parallel contact with each other and are axially rotated in opposite directions, the cigarette
• the paper passes through a contact position of the first coating press roll and the second coating press roll, and the outer side of the first coating press roll and/or the second coating press roll is provided
• the feeding tube is provided with a plurality of feeding nozzles.
• the second coating press roll is provided with a feeding tube outside, and the side of the second coating press roll is further provided with a coating metering rod in parallel contact with the second coating press roll.
• the outer sides of the first coating press roll and the second coating press roll are provided with a feeding tube, and the first coating press roll and the second coating press roll are horizontally or obliquely disposed, The contact position of the first coating press roll and the second coating press roll forms a liquid storage tank.
• the edges of the first coating press roll and the second coating press roll are flush with each other and are provided with a baffle plate.
• Another object of the present invention is to provide a method for preparing a cigarette paper having a flame-retardant tape, which comprises coating 0.2 to 3.5% of the weight of the cigarette paper base paper on the front side and/or the back side of the cigarette paper base. , anti-penetration coating material.
• the anti-diffusion and anti-penetration coating material is applied to the front side or the reverse side of the cigarette paper base sheet.
• the anti-diffusion and anti-penetration coating material is dip coated on both sides of the front and back sides of the cigarette paper base paper.
• the anti-diffusion and anti-penetration coating material comprises oxidized starch or carboxymethylcellulose nano by mass concentration of 0.3-8%.
• the method further comprises the step of printing the flame retardant on one or both sides of the flame retardant tape by a printing process.
• the present invention In order to print a flame retardant on one side or both sides of a flame-retardant cigarette paper, the present invention firstly coats a surface of a cigarette paper base with an anti-diffusion and anti-penetration coating material such as oxidized starch or sodium carboxymethyl cellulose.
• the cigarette paper base paper has a certain anti-diffusion and anti-penetration effect, and achieves the effect of reducing wrinkles when printing the flame-retardant tape.
• the anti-diffusion and anti-penetration coating material coated on the surface of the cigarette paper base paper can also improve the tensile strength of the cigarette paper and improve the surface properties of the cigarette paper.
• Figure 1 is a schematic view of a cigarette made of a flame-retardant cigarette paper of the present invention
• FIG. 2 is a schematic structural view of an embodiment of the present invention.
• FIG. 3 is a schematic structural view of another embodiment of the present invention. detailed description
• FIG. 1 there is shown a preferred embodiment of a manufacturing apparatus for a cigarette paper having a flame-retardant tape of the present invention.
• the flame-retardant tape 2 is printed onto the cigarette paper 1 by a flame retardant printing apparatus as shown in FIG.
• the flame-retardant tape 2 of the present invention has a width of 2 to 8 mm.
• the cigarette paper 1 is provided with at least two flame-retardant strips 2, and the spacing between two adjacent flame-retardant strips 2 is 10-30 mm; preferably, in this embodiment, the flame-retardant strips 2 are strip-shaped The width of the flame-retardant strip 2 is 6 mm, and the spacing between adjacent flame-retardant strips 2 is 19 mm.
• the manufacturing apparatus of the present invention comprises a first coating press roll 3 and a second coating press roll 4 which are in parallel contact with each other and whose axial direction of rotation is opposite (as indicated by an arrow in Fig. 2), the cigarette paper 5 passing through
• the contact position of the first coating press roll 3 and the second coating press roll 4, the outer side of the first coating press roll 3 or the second coating press roll 4 is provided with a feeding tube 7;
• the upper portion of the second coating press roll 4 is provided with a feeding tube 7 as shown in FIG. 2;
• the feeding tube 7 is provided with a plurality of feeding nozzles 8; in this embodiment,
• the feeding tube 7 is provided with a plurality of loading nozzles 8 facing the second coating press roll 4.
• the side of the second coating press roll 4 is further provided with a coating metering rod 6 in parallel contact with the second coating press roll 4.
• the previously prepared coating liquid is uniformly sprayed onto the second coating press roll 4 through the feeding nozzle 8 of the feeding tube 7, and the liquid on the second coating press roll 4 is metered by coating.
• the pressure adjustment between the rod 6 and the second coating press roll 4 is metered, and the excess liquid is scraped off, whereby the coating liquid forms a uniform liquid on the second coating press roll 4.
• the film is then transferred to the paper surface of the cigarette paper 5 via the rotation of the second coating press roll 4 and the first coating press roll 3.
• oxidized starch is used as a coating liquid, and the mass concentration of the configuration is
• oxidized starch accounts for 0.8% of the weight of the cigarette paper base paper to achieve better anti-diffusion and anti-penetration effects.
• Example 2 In practical applications, it is not difficult for those skilled in the art to understand, according to the conditions of temperature, humidity and the like in different regions and environments, according to factors such as the wrinkle state of the specific paper sheet, the gas permeability of the flame retardant belt, and the drying ability, etc. The above concentrations and ratios are fine-tuned to achieve the optimum product state.
• Example 2 In practical applications, it is not difficult for those skilled in the art to understand, according to the conditions of temperature, humidity and the like in different regions and environments, according to factors such as the wrinkle state of the specific paper sheet, the gas permeability of the flame retardant belt, and the drying ability, etc. The above concentrations and ratios are fine-tuned to achieve the optimum product state.
• Example 2 Example 2:
• FIG. 3 there is shown another schematic construction of a dual-dip dip coated sheet of the apparatus of the present invention.
• the first coating press roll 3 and the second coating press roll 4 are disposed horizontally or obliquely, such a structure that the present invention is applied to the first coating press roll 3 and the second coating.
• a liquid storage tank is formed at the contact position of the press roll 4, which is shown in a substantially horizontal state in Fig. 3.
• the outer sides of the first coating press roll 3 and the second coating press roll 4 are provided with a feeding tube 7, as shown in FIG. 3, the first coating press roll 3 and the second coating press roll 4
• the edges on both sides of the axial direction are flush with each other, and a baffle plate 9 is provided.
• first coating press roll 3 and the second coating press roll 4 are substantially horizontal, and the edges on both sides of the axial direction are flush with each other, and the baffle plate 9 is provided, therefore, in the first coating In the contact area between the press roll 3 and the second coating press roll 4, a coating liquid having a certain liquid level is formed, so that the cigarette paper 5 can be dip coated therein to achieve the purpose of coating the liquid.
• the coating liquid flows through the two feeding pipes 7 to the first coating press roll 3 and the second coating press roll 4, respectively, and the first coating press is performed by the sealing action of the baffle plate 9.
• a certain coating liquid level is formed between the roller 3 and the second coating press roll 4, and the sheet of the cigarette paper 5 passes between the first coating press roll 3 and the second coating press roll 4, thereby completing the paper.
• the amount of loading can be equal to the amount of coating liquid absorbed by the sheet to ensure that the level of the coating liquid is stable.
• Another object of the present invention is to provide a method for preparing a cigarette paper having a flame-retardant tape, which comprises coating 0.2 to 3.5% of the weight of the cigarette paper base paper on the front side and/or the back side of the cigarette paper base. , anti-penetration coating material.
• anti-diffusion, anti-dive The permeable coating material accounts for 0.5 to 2.5% of the weight of the cigarette paper base paper. Thereby achieving better anti-diffusion and anti-penetration effects.
• One embodiment of the method of the present invention is: on the front or back side of the base paper of the cigarette paper, one side is coated with a diffusion resistant, permeation resistant coating material, such as the corresponding process of the structure shown in Figure 2 above.
• Another embodiment of the method of the present invention is: a double-sided dip-coated anti-diffusion, anti-penetration coating material on the front and back sides of the cigarette paper base paper, such as the corresponding process of the structure shown in Figure 3 above.
• the anti-diffusion and anti-penetration coating material comprises an oxide powder or a carboxymethylcellulose nanoparticle having a mass concentration of 0.3 - 8 %.
• the oxidized starch or sodium carboxymethylcellulose has a mass concentration of 1 to 5 % to achieve better anti-diffusion and anti-penetration effects.
• the method further comprises the step of printing a flame retardant on one side or both sides of the flame-retardant tape cigarette paper by a printing process, thereby passing the surface of the cigarette paper base paper
• the anti-diffusion and anti-penetration coating materials such as oxidized starch or sodium carboxymethyl cellulose are coated to make the cigarette paper base paper have certain anti-diffusion and anti-penetration effects, and the effect of reducing wrinkles when printing the flame-retardant tape is achieved.
• the anti-diffusion and anti-penetration coating material coated on the surface of the cigarette paper base paper can also improve the tensile strength of the cigarette paper and improve the surface properties of the cigarette paper.

Landscapes

• Paper (AREA)
• Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (3)

Family

ID=46185136

Family Applications (1)

Country Status (6)

Cited By (2)

Families Citing this family (5)

Family Cites Families (34)

• 2011
  • 2011-12-02 CN CN2011103936630A patent/CN102493280A/zh active Pending
• 2012
  • 2012-04-20 AU AU2012220111A patent/AU2012220111B2/en active Active
  • 2012-04-20 ES ES12749773.3T patent/ES2606725T3/es active Active
  • 2012-04-20 EP EP12749773.3A patent/EP2706143B1/de not_active Revoked
  • 2012-04-20 WO PCT/CN2012/074417 patent/WO2012113356A2/zh not_active Ceased
  • 2012-11-30 TW TW101145087A patent/TW201328613A/zh unknown

Non-Patent Citations (2)

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