CN107304532A - A kind of environmentally friendly barrier paper and preparation method thereof - Google Patents
A kind of environmentally friendly barrier paper and preparation method thereof Download PDFInfo
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- CN107304532A CN107304532A CN201610245914.3A CN201610245914A CN107304532A CN 107304532 A CN107304532 A CN 107304532A CN 201610245914 A CN201610245914 A CN 201610245914A CN 107304532 A CN107304532 A CN 107304532A
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- 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
-
- 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
- D21H19/46—Non-macromolecular organic compounds
- D21H19/48—Diolefins, e.g. butadiene; Aromatic vinyl monomers, e.g. styrene; Polymerisable unsaturated acids or derivatives thereof, e.g. acrylic acid
-
- 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
- D21H19/52—Cellulose; 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
- 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
- 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
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or 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
- 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
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
-
- 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
- D21H21/06—Paper forming aids
-
- 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
Abstract
The invention discloses a kind of environmentally friendly barrier paper and preparation method thereof, environmentally friendly barrier paper includes original paper layer and is sequentially coated at the precoated shet and separation layer on its surface, and original paper layer includes according to the raw material of parts by weight：Inorganic powder material, wood powder, high molecular polymer, lubricant, foaming agent, activating agent, antitack agent；Precoating coating includes according to the raw material of parts by weight：Water, pigment, dispersant, adhesive, thickener, surfactant；Isolation coating includes according to the raw material of weight：Aqueous polymer, adhesion promoter, light trigger, levelling agent.The characteristics of present invention is with low cost, barrier paper that is preparing has waterproof, protection against the tide, high intensity, without using polyolefine material and solvent-borne type mould release, it is pollution-free, easily reclaim, environment is not caused harm, the precoated shet coating solids that use are high, viscosity is high, rate of drying is fast, production efficiency is high, energy resource consumption is few, and the separation layer the film forming performance of paint used is good, it is adaptable to advanced curtain coating mode.
Description
Technical field
Sheet processing technical field of the present invention, specifically a kind of environmentally friendly barrier paper and preparation method thereof.
Background technology
Traditional barrier paper is made up of body paper, separation layer.Its preparation technology is one layer of interleaving agent of surface film in body paper, the interleaving agent of use is usually polyethylene, either film produces barrier paper with coating method, it is intended to use polyolefin, this kind of polyolefin coated on paper after cause paper extremely difficult with traditional way of recycling processing, separately because polyolefin products biodegradability is low, it is also possible to which environment is caused harm.
Barrier paper, also known as silicone oil paper, separate paper primarily serve the effect of the sticking object in isolation strip, such as adhesive tape.Generally require when in use and be stripped, discard.Release liners have been generally divided into modeling release liners and without modeling release liners.There are modeling release liners, i.e.,：One layer of mould release (predominantly silicone oil) composition is coated with the surface of leaching membrane paper, due to using polyolefin products, cause paper extremely difficult with traditional way of recycling processing, separately because polyolefin products biodegradability is low, it is also possible to caused harm to environment.Without modeling release liners, mainly there are other release liners that Ge Laxin, CCK etc. are specially treated, such release liners has the advantages that to consume mould release less when good smoothness height, grease resistance energy, coating, but price, the source of goods is in short supply, it is difficult to the need for meeting production and economic benefit.The special low grammes per square metre release liners of express mail service, fall within without modeling release liners category, and this kind of release liners quality requirement is high and the huge market demand, but the product that existing market is improved quality, production efficiency is high and few.
The content of the invention
It is an object of the invention to provide environmentally friendly barrier paper that a kind of cost is low, intensity is high and preparation method thereof, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of environmentally friendly barrier paper, including original paper layer and the precoated shet and separation layer that are sequentially coated at its surface, the original paper layer include according to the raw material of parts by weight：40-60 parts of inorganic powder material, 10-20 parts of wood powder, 10-30 parts of high molecular polymer, 1-2 parts of lubricant, 0.5-1 parts of foaming agent, 0.1-0.5 parts of activating agent, 0.5-1 parts of antitack agent；The precoating coating includes according to the raw material of parts by weight：60-80 parts of water, 100-120 parts of pigment, 2-6 parts of dispersant, 20-40 parts of adhesive, 4-6 parts of thickener, 2-4 parts of surfactant；The isolation coating includes according to the raw material of weight：50-70 parts of aqueous polymer, 6-8 parts of adhesion promoter, 2-4 parts of light trigger, 0.5-1 parts of levelling agent.
It is used as further scheme of the invention：The environmentally friendly barrier paper, including original paper layer and the precoated shet and separation layer that are sequentially coated at its surface, the original paper layer include according to the raw material of parts by weight：45-55 parts of inorganic powder material, 12-18 parts of wood powder, 15-25 parts of high molecular polymer, 1.2-1.8 parts of lubricant, 0.6-0.9 parts of foaming agent, 0.2-0.4 parts of activating agent, 0.6-0.9 parts of antitack agent；The precoating coating includes according to the raw material of parts by weight：65-75 parts of water, 105-115 parts of pigment, 3-5 parts of dispersant, 25-35 parts of adhesive, 4.5-5.5 parts of thickener, 2.5-3.5 parts of surfactant；The isolation coating includes according to the raw material of weight：55-65 parts of aqueous polymer, 6.5-7.5 parts of adhesion promoter, 2.5-3.5 parts of light trigger, 0.6-0.9 parts of levelling agent.
It is used as further scheme of the invention：The environmentally friendly barrier paper, including original paper layer and the precoated shet and separation layer that are sequentially coated at its surface, the original paper layer include according to the raw material of parts by weight：50 parts of inorganic powder material, 15 parts of wood powder, 20 parts of high molecular polymer, 1.5 parts of lubricant, 0.8 part of foaming agent, 0.3 part of activating agent, 0.8 part of antitack agent；The precoating coating includes according to the raw material of parts by weight：70 parts of water, 110 parts of pigment, 4 parts of dispersant, 30 parts of adhesive, 5 parts of thickener, 3 parts of surfactant；The isolation coating includes according to the raw material of weight：60 parts of aqueous polymer, 7 parts of adhesion promoter, 3 parts of light trigger, 0.8 part of levelling agent.
It is used as further scheme of the invention：The pigment is more than one or both of kaolin, calcium carbonate, silica, titanium dioxide, talcum powder, hollow plastic pigment.
It is used as further scheme of the invention：The dispersant is more than one or both of Sodium Polyacrylate, sodium polymethacrylate and its derivative, the disodium salt of diisobutylene and copolymer-maleic anhydride, APES, AEO, calgon.
It is used as further scheme of the invention：The adhesive is more than one or both of styrene-butadiene latex, styrene acrylic resin, converted starch, polyvinyl alcohol, carboxymethyl cellulose, acrylic resin.
It is used as further scheme of the invention：The aqueous polymer is latex, starch, polyvinyl alcohol, carboxymethyl cellulose, the one or more of casein.
It is used as further scheme of the invention：The levelling agent is modified polyorganosiloxane.
The preparation method of the environmentally friendly barrier paper, is comprised the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）In super mixer, first add inorganic powder material and wood powder, it is warming up to after 120-140 DEG C and puts into activating agent stirring 20-60min, high molecular polymer, lubricant and foaming agent are added into stirring 20-40min again, continue to be heated to after 150-170 DEG C, antitack agent is added, continues to be stirred until homogeneous into compound；
（3）Paper membrane forming machine will be sent into after mixture thermal-insulating 10-15min, into molten state under conditions of 180-200 DEG C, body paper is made through paper membrane machine in the compound of molten state；
（4）Precoating coating is prepared according to proportioning, precoated shet is coated with coating machine, then the body paper for scribbling pre- coating is dried, coating weight control is 8-12g/m2, oven temperature is 100-140 DEG C；
（5）It is coated with separation layer：Precoating paper obtained by previous step is come out from baking oven and enters coating head coating separation layer after rewetting, then paper web is dried, separation layer coating weight control is 0.5-2.5g/m2, oven temperature is 110-150 DEG C；
（6）Paper web obtained by previous step is subjected to press polish with calender, isolation paper product is made in winding after press polish.
Compared with prior art, the beneficial effects of the invention are as follows：
The characteristics of present invention is with low cost, barrier paper that is preparing has waterproof, protection against the tide, high intensity, without using polyolefine material and solvent-borne type mould release, it is pollution-free, easily reclaim, environment is not caused harm, the precoated shet coating solids that use are high, viscosity is high, rate of drying is fast, production efficiency is high, energy resource consumption is few, and the separation layer the film forming performance of paint used is good, it is adaptable to advanced curtain coating mode.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Embodiment 1
A kind of environmentally friendly barrier paper, including original paper layer and the precoated shet and separation layer that are sequentially coated at its surface, the original paper layer include according to the raw material of parts by weight：40 parts of inorganic powder material, 10 parts of wood powder, 10 parts of high molecular polymer, 1 part of lubricant, 0.5 part of foaming agent, 0.1 part of activating agent, 0.5 part of antitack agent；The precoating coating includes according to the raw material of parts by weight：60 parts of water, 100 parts of pigment, 2 parts of dispersant, 20 parts of adhesive, 4 parts of thickener, 2 parts of surfactant；The isolation coating includes according to the raw material of weight：50 parts of aqueous polymer, 6 parts of adhesion promoter, 2 parts of light trigger, 0.5 part of levelling agent.
The preparation method of the environmentally friendly barrier paper, is comprised the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）In super mixer, inorganic powder material and wood powder are first added, is warming up to after 120 DEG C and puts into activating agent stirring 20min, high molecular polymer, lubricant and foaming agent are added into stirring 20min again, continue to be heated to after 150 DEG C, add antitack agent, continue to be stirred until homogeneous into compound；
（3）Paper membrane forming machine will be sent into after mixture thermal-insulating 10min, into molten state under conditions of 180 DEG C, body paper is made through paper membrane machine in the compound of molten state；
（4）Precoating coating is prepared according to proportioning, precoated shet is coated with coating machine, then the body paper for scribbling pre- coating is dried, coating weight control is 8g/m2, oven temperature is 100 DEG C；
（5）It is coated with separation layer：Precoating paper obtained by previous step is come out from baking oven and enters coating head coating separation layer after rewetting, then paper web is dried, separation layer coating weight control is 0.5g/m2, oven temperature is 110 DEG C；
（6）Paper web obtained by previous step is subjected to press polish with calender, isolation paper product is made in winding after press polish.
Embodiment 2
A kind of environmentally friendly barrier paper, including original paper layer and the precoated shet and separation layer that are sequentially coated at its surface, the original paper layer include according to the raw material of parts by weight：45 parts of inorganic powder material, 12 parts of wood powder, 15 parts of high molecular polymer, 1.2 parts of lubricant, 0.6 part of foaming agent, 0.2 part of activating agent, 0.6 part of antitack agent；The precoating coating includes according to the raw material of parts by weight：65 parts of water, 105 parts of pigment, 3 parts of dispersant, 25 parts of adhesive, 4.5 parts of thickener, 2.5 parts of surfactant；The isolation coating includes according to the raw material of weight：55 parts of aqueous polymer, 6.5 parts of adhesion promoter, 2.5 parts of light trigger, 0.6 part of levelling agent.
The preparation method of the environmentally friendly barrier paper, is comprised the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）In super mixer, inorganic powder material and wood powder are first added, is warming up to after 125 DEG C and puts into activating agent stirring 30min, high molecular polymer, lubricant and foaming agent are added into stirring 25min again, continue to be heated to after 155 DEG C, add antitack agent, continue to be stirred until homogeneous into compound；
（3）Paper membrane forming machine will be sent into after mixture thermal-insulating 11min, into molten state under conditions of 185 DEG C, body paper is made through paper membrane machine in the compound of molten state；
（4）Precoating coating is prepared according to proportioning, precoated shet is coated with coating machine, then the body paper for scribbling pre- coating is dried, coating weight control is 9g/m2, oven temperature is 110 DEG C；
（5）It is coated with separation layer：Precoating paper obtained by previous step is come out from baking oven and enters coating head coating separation layer after rewetting, then paper web is dried, separation layer coating weight control is 1g/m2, oven temperature is 120 DEG C；
（6）Paper web obtained by previous step is subjected to press polish with calender, isolation paper product is made in winding after press polish.
Embodiment 3
A kind of environmentally friendly barrier paper, including original paper layer and the precoated shet and separation layer that are sequentially coated at its surface, the original paper layer include according to the raw material of parts by weight：50 parts of inorganic powder material, 15 parts of wood powder, 20 parts of high molecular polymer, 1.5 parts of lubricant, 0.8 part of foaming agent, 0.3 part of activating agent, 0.8 part of antitack agent；The precoating coating includes according to the raw material of parts by weight：70 parts of water, 110 parts of pigment, 4 parts of dispersant, 30 parts of adhesive, 5 parts of thickener, 3 parts of surfactant；The isolation coating includes according to the raw material of weight：60 parts of aqueous polymer, 7 parts of adhesion promoter, 3 parts of light trigger, 0.8 part of levelling agent.
The preparation method of the environmentally friendly barrier paper, is comprised the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）In super mixer, inorganic powder material and wood powder are first added, is warming up to after 130 DEG C and puts into activating agent stirring 40min, high molecular polymer, lubricant and foaming agent are added into stirring 30min again, continue to be heated to after 160 DEG C, add antitack agent, continue to be stirred until homogeneous into compound；
（3）Paper membrane forming machine will be sent into after mixture thermal-insulating 12min, into molten state under conditions of 190 DEG C, body paper is made through paper membrane machine in the compound of molten state；
（4）Precoating coating is prepared according to proportioning, precoated shet is coated with coating machine, then the body paper for scribbling pre- coating is dried, coating weight control is 10g/m2, oven temperature is 120 DEG C；
（5）It is coated with separation layer：Precoating paper obtained by previous step is come out from baking oven and enters coating head coating separation layer after rewetting, then paper web is dried, separation layer coating weight control is 1.5g/m2, oven temperature is 130 DEG C；
（6）Paper web obtained by previous step is subjected to press polish with calender, isolation paper product is made in winding after press polish.
Embodiment 4
A kind of environmentally friendly barrier paper, including original paper layer and the precoated shet and separation layer that are sequentially coated at its surface, the original paper layer include according to the raw material of parts by weight：55 parts of inorganic powder material, 18 parts of wood powder, 25 parts of high molecular polymer, 1.8 parts of lubricant, 0.9 part of foaming agent, 0.4 part of activating agent, 0.9 part of antitack agent；The precoating coating includes according to the raw material of parts by weight：75 parts of water, 115 parts of pigment, 5 parts of dispersant, 35 parts of adhesive, 5.5 parts of thickener, 3.5 parts of surfactant；The isolation coating includes according to the raw material of weight：65 parts of aqueous polymer, 7.5 parts of adhesion promoter, 3.5 parts of light trigger, 0.9 part of levelling agent.
The preparation method of the environmentally friendly barrier paper, is comprised the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）In super mixer, inorganic powder material and wood powder are first added, is warming up to after 130 DEG C and puts into activating agent stirring 50min, high molecular polymer, lubricant and foaming agent are added into stirring 35min again, continue to be heated to after 165 DEG C, add antitack agent, continue to be stirred until homogeneous into compound；
（3）Paper membrane forming machine will be sent into after mixture thermal-insulating 14min, into molten state under conditions of 195 DEG C, body paper is made through paper membrane machine in the compound of molten state；
（4）Precoating coating is prepared according to proportioning, precoated shet is coated with coating machine, then the body paper for scribbling pre- coating is dried, coating weight control is 11g/m2, oven temperature is 130 DEG C；
（5）It is coated with separation layer：Precoating paper obtained by previous step is come out from baking oven and enters coating head coating separation layer after rewetting, then paper web is dried, separation layer coating weight control is 2g/m2, oven temperature is 140 DEG C；
（6）Paper web obtained by previous step is subjected to press polish with calender, isolation paper product is made in winding after press polish.
Embodiment 5
A kind of environmentally friendly barrier paper, including original paper layer and the precoated shet and separation layer that are sequentially coated at its surface, the original paper layer include according to the raw material of parts by weight：60 parts of inorganic powder material, 20 parts of wood powder, 30 parts of high molecular polymer, 2 parts of lubricant, 1 part of foaming agent, 0.5 part of activating agent, 1 part of antitack agent；The precoating coating includes according to the raw material of parts by weight：80 parts of water, 120 parts of pigment, 6 parts of dispersant, 40 parts of adhesive, 6 parts of thickener, 4 parts of surfactant；The isolation coating includes according to the raw material of weight：70 parts of aqueous polymer, 8 parts of adhesion promoter, 4 parts of light trigger, 1 part of levelling agent.
The preparation method of the environmentally friendly barrier paper, is comprised the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）In super mixer, inorganic powder material and wood powder are first added, is warming up to after 140 DEG C and puts into activating agent stirring 60min, high molecular polymer, lubricant and foaming agent are added into stirring 40min again, continue to be heated to after 170 DEG C, add antitack agent, continue to be stirred until homogeneous into compound；
（3）Paper membrane forming machine will be sent into after mixture thermal-insulating 15min, into molten state under conditions of 200 DEG C, body paper is made through paper membrane machine in the compound of molten state；
（4）Precoating coating is prepared according to proportioning, precoated shet is coated with coating machine, then the body paper for scribbling pre- coating is dried, coating weight control is 12g/m2, oven temperature is 140 DEG C；
（5）It is coated with separation layer：Precoating paper obtained by previous step is come out from baking oven and enters coating head coating separation layer after rewetting, then paper web is dried, separation layer coating weight control is 2.5g/m2, oven temperature is 150 DEG C；
（6）Paper web obtained by previous step is subjected to press polish with calender, isolation paper product is made in winding after press polish.
The pigment is more than one or both of kaolin, calcium carbonate, silica, titanium dioxide, talcum powder, hollow plastic pigment；The dispersant is more than one or both of Sodium Polyacrylate, sodium polymethacrylate and its derivative, the disodium salt of diisobutylene and copolymer-maleic anhydride, APES, AEO, calgon；The adhesive is more than one or both of styrene-butadiene latex, styrene acrylic resin, converted starch, polyvinyl alcohol, carboxymethyl cellulose, acrylic resin；The aqueous polymer is latex, starch, polyvinyl alcohol, carboxymethyl cellulose, the one or more of casein；The levelling agent is modified polyorganosiloxane.
The characteristics of present invention is with low cost, barrier paper that is preparing has waterproof, protection against the tide, high intensity, without using polyolefine material and solvent-borne type mould release, it is pollution-free, easily reclaim, environment is not caused harm, the precoated shet coating solids that use are high, viscosity is high, rate of drying is fast, production efficiency is high, energy resource consumption is few, and the separation layer the film forming performance of paint used is good, it is adaptable to advanced curtain coating mode.
The better embodiment to this patent is explained in detail above, but this patent is not limited in above-mentioned embodiment, the knowledge that one skilled in the relevant art possesses, can also various changes can be made on the premise of this patent objective is not departed from.
Claims (9)
1. a kind of environmentally friendly barrier paper, including original paper layer and the precoated shet and separation layer that are sequentially coated at its surface, it is characterised in that the original paper layer includes according to the raw material of parts by weight：40-60 parts of inorganic powder material, 10-20 parts of wood powder, 10-30 parts of high molecular polymer, 1-2 parts of lubricant, 0.5-1 parts of foaming agent, 0.1-0.5 parts of activating agent, 0.5-1 parts of antitack agent；The precoating coating includes according to the raw material of parts by weight：60-80 parts of water, 100-120 parts of pigment, 2-6 parts of dispersant, 20-40 parts of adhesive, 4-6 parts of thickener, 2-4 parts of surfactant；The isolation coating includes according to the raw material of weight：50-70 parts of aqueous polymer, 6-8 parts of adhesion promoter, 2-4 parts of light trigger, 0.5-1 parts of levelling agent.
2. environmentally friendly barrier paper according to claim 1, it is characterised in that the original paper layer includes according to the raw material of parts by weight：45-55 parts of inorganic powder material, 12-18 parts of wood powder, 15-25 parts of high molecular polymer, 1.2-1.8 parts of lubricant, 0.6-0.9 parts of foaming agent, 0.2-0.4 parts of activating agent, 0.6-0.9 parts of antitack agent；The precoating coating includes according to the raw material of parts by weight：65-75 parts of water, 105-115 parts of pigment, 3-5 parts of dispersant, 25-35 parts of adhesive, 4.5-5.5 parts of thickener, 2.5-3.5 parts of surfactant；The isolation coating includes according to the raw material of weight：55-65 parts of aqueous polymer, 6.5-7.5 parts of adhesion promoter, 2.5-3.5 parts of light trigger, 0.6-0.9 parts of levelling agent.
3. environmentally friendly barrier paper according to claim 1, it is characterised in that the original paper layer includes according to the raw material of parts by weight：50 parts of inorganic powder material, 15 parts of wood powder, 20 parts of high molecular polymer, 1.5 parts of lubricant, 0.8 part of foaming agent, 0.3 part of activating agent, 0.8 part of antitack agent；The precoating coating includes according to the raw material of parts by weight：70 parts of water, 110 parts of pigment, 4 parts of dispersant, 30 parts of adhesive, 5 parts of thickener, 3 parts of surfactant；The isolation coating includes according to the raw material of weight：60 parts of aqueous polymer, 7 parts of adhesion promoter, 3 parts of light trigger, 0.8 part of levelling agent.
4. according to any described environmentally friendly barrier papers of claim 1-3, it is characterised in that the pigment is more than one or both of kaolin, calcium carbonate, silica, titanium dioxide, talcum powder, hollow plastic pigment.
5. according to any described environmentally friendly barrier papers of claim 1-3, characterized in that, the dispersant is more than one or both of Sodium Polyacrylate, sodium polymethacrylate and its derivative, the disodium salt of diisobutylene and copolymer-maleic anhydride, APES, AEO, calgon.
6. according to any described environmentally friendly barrier papers of claim 1-3, it is characterised in that the adhesive is more than one or both of styrene-butadiene latex, styrene acrylic resin, converted starch, polyvinyl alcohol, carboxymethyl cellulose, acrylic resin.
7. according to any described environmentally friendly barrier papers of claim 1-3, it is characterised in that the aqueous polymer is latex, starch, polyvinyl alcohol, carboxymethyl cellulose, the one or more of casein.
8. according to any described environmentally friendly barrier papers of claim 1-3, it is characterised in that state levelling agent for modified polyorganosiloxane.
9. the preparation method of a kind of environmentally friendly barrier paper as described in claim 1-3 is any, it is characterised in that comprise the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）In super mixer, first add inorganic powder material and wood powder, it is warming up to after 120-140 DEG C and puts into activating agent stirring 20-60min, high molecular polymer, lubricant and foaming agent are added into stirring 20-40min again, continue to be heated to after 150-170 DEG C, antitack agent is added, continues to be stirred until homogeneous into compound；
（3）Paper membrane forming machine will be sent into after mixture thermal-insulating 10-15min, into molten state under conditions of 180-200 DEG C, body paper is made through paper membrane machine in the compound of molten state；
（4）Precoating coating is prepared according to proportioning, precoated shet is coated with coating machine, then the body paper for scribbling pre- coating is dried, coating weight control is 8-12g/m2, oven temperature is 100-140 DEG C；
（5）It is coated with separation layer：Precoating paper obtained by previous step is come out from baking oven and enters coating head coating separation layer after rewetting, then paper web is dried, separation layer coating weight control is 0.5-2.5g/m2, oven temperature is 110-150 DEG C；
（6）Paper web obtained by previous step is subjected to press polish with calender, isolation paper product is made in winding after press polish.
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| CN110144761A (en) * | 2019-06-03 | 2019-08-20 | 苏州甲腾包装材料科技有限公司 | A kind of preparation method of silicon oil release paper |
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| CN114086429A (en) * | 2021-11-26 | 2022-02-25 | 红云红河烟草(集团)有限责任公司 | Moisture absorption balance inner lining paper for cigarettes and preparation method thereof |
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