CN108130817B - Coated paper and preparation method thereof - Google Patents
Coated paper and preparation method thereof Download PDFInfo
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- CN108130817B CN108130817B CN201711395596.XA CN201711395596A CN108130817B CN 108130817 B CN108130817 B CN 108130817B CN 201711395596 A CN201711395596 A CN 201711395596A CN 108130817 B CN108130817 B CN 108130817B
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 78
- 238000000576 coating method Methods 0.000 claims abstract description 78
- 230000004888 barrier function Effects 0.000 claims abstract description 76
- 239000000839 emulsion Substances 0.000 claims abstract description 59
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000005033 polyvinylidene chloride Substances 0.000 claims abstract description 34
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims abstract description 32
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 21
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 21
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000000123 paper Substances 0.000 claims description 82
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000002562 thickening agent Substances 0.000 claims description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 12
- 239000002174 Styrene-butadiene Substances 0.000 claims description 11
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 11
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 9
- 239000011115 styrene butadiene Substances 0.000 claims description 9
- 229910021485 fumed silica Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 5
- 239000013530 defoamer Substances 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 description 25
- 238000003756 stirring Methods 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 15
- 238000002156 mixing Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- 238000001035 drying Methods 0.000 description 9
- 238000000227 grinding Methods 0.000 description 7
- 239000004576 sand Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006750 UV protection Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011111 cardboard Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229920001038 ethylene copolymer Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- OCKGFTQIICXDQW-ZEQRLZLVSA-N 5-[(1r)-1-hydroxy-2-[4-[(2r)-2-hydroxy-2-(4-methyl-1-oxo-3h-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-methyl-3h-2-benzofuran-1-one Chemical compound C1=C2C(=O)OCC2=C(C)C([C@@H](O)CN2CCN(CC2)C[C@H](O)C2=CC=C3C(=O)OCC3=C2C)=C1 OCKGFTQIICXDQW-ZEQRLZLVSA-N 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical group [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/22—Polyalkenes, e.g. polystyrene
-
- 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
- D21H21/12—Defoamers
-
- 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
-
- 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
- D21H21/143—Agents preventing ageing of paper, e.g. radiation absorbing substances
Abstract
The invention discloses coated paper and a preparation method thereof, wherein the coated paper comprises base paper and a barrier coating coated on the surface of the base paper, wherein the barrier coating comprises the following raw materials in parts by weight: 10-30 parts of butylbenzene emulsion, 60-80 parts of polyvinylidene chloride emulsion, 5-10 parts of ethylene-vinyl acetate copolymer and 0.5-2 parts of auxiliary agent. The coated paper has good water vapor and oxygen barrier performance and good moisture-proof and moisture-retaining effects.
Description
Technical Field
The invention relates to the technical field of packaging materials, in particular to coated paper and a preparation method thereof.
Background
Paper is widely applied to the fields of industry, agriculture, culture, packaging and the like, and food paper packaging is easy to damp to deteriorate food; the packaging paper box is easy to be soaked by water after being taken out from the freezing warehouse and recovered at normal temperature, so that the compression strength and the bursting strength of the box body are greatly reduced, and the development of hydrophobic paper is an important direction for improving the competitiveness of the paper industry.
The traditional paper water-proof treatment is mainly to coat a film on the surface of paper, but the film coating operation process is complex. Coated paper (Coated paper) is made by coating a layer of coating color on a base paper to make the paper have good optical properties and printing performance. However, the barrier property of the coated paper on the market is realized by coating an aluminum layer, and the aluminum layer on the paper is easy to crack and even peel off, so that the barrier property of the paper is greatly reduced.
Disclosure of Invention
Accordingly, there is a need for a coated paper having good water and oxygen barrier properties, and having good moisture protection and retention effects.
The coated paper comprises base paper and a barrier coating coated on the surface of the base paper, wherein the barrier coating comprises the following raw materials in parts by weight: 10-30 parts of butylbenzene emulsion, 60-80 parts of polyvinylidene chloride emulsion, 5-10 parts of ethylene-vinyl acetate copolymer and 0.5-2 parts of auxiliary agent.
The barrier coating material used by the coated paper is prepared by compounding polyvinylidene chloride (PVDC) emulsion with high barrier property, butylbenzene emulsion with strong binding power and good flexibility and ethylene-vinyl acetate copolymer (EVA), so that the barrier coating material has the advantages of good butylbenzene emulsion flexibility, strong binding power and high barrier property of PVDC emulsion, the barrier coating can be tightly attached to base paper, and the coated paper has good moisture-proof and moisture-retaining effects.
The composite material has the advantages of good flexibility of the styrene-butadiene emulsion, strong binding power and high barrier property of the PVDC emulsion, avoids the problem that the single PVDC emulsion has poor barrier effect or cannot have the barrier effect due to the fact that the single PVDC emulsion has a fault caused by brittleness and rigidity, improves the intersolubility between the PVDC and the aqueous styrene-butadiene emulsion through the EVA and an auxiliary agent, avoids the problem that the separation is easy to occur due to the fact that the PVDC emulsion and the SBR emulsion have poor intersolubility, and thus the binding power of the barrier coating is strong, the barrier property is high and the flexibility is good.
In one embodiment, the ethylene-vinyl acetate copolymer has a vinyl acetate content of 75 wt% to 90 wt%.
The content of vinyl acetate is within the range of 75 wt% -90 wt%, EVA is in an emulsion state, has good miscibility, can better improve the intersolubility between PVDC and butylbenzene, enables the coating material to be more uniform and consistent, and further improves the uniformity and consistency of the barrier coating.
In one embodiment, the adjuvant is selected from at least one of an inorganic thickener, a defoamer, and a surfactant.
In one embodiment, the inorganic thickener is selected from nano alumina (Al)2O3) Nano silicon dioxide (SiO)2) And nano titanium dioxide (TiO)2) At least one of (1).
In one embodiment, the inorganic thickener is fumed alumina or/and fumed silica.
The fumed alumina and the fumed silica have small particle size, large specific surface area, strong structure and good functions of reinforcement, thickening, ultraviolet resistance, sterilization and the like, and the fumed alumina or the fumed silica is added into a mixing system, so that the mutual dispersion and permeation among the components can be promoted, the synergistic effect is achieved to improve the performance of the polymer material, improve the viscosity and the stability of the material of the barrier coating, improve the ageing resistance and the weather resistance of the barrier coating and prolong the service life of the product.
In one embodiment, the polyvinylidene chloride emulsion has a solid content of 35 wt% to 55 wt%.
In one embodiment, the solid content of the butylbenzene emulsion is 40 wt% to 50 wt%.
In one embodiment, the styrene-butadiene emulsion has a bound styrene content of 23 wt% to 35 wt%.
In one embodiment, the barrier coating has a thickness of 2 μm to 10 μm.
The oxygen transmission rate of the coated paper is less than 350cm through detection3/m2d.MPa, water vapour transmission rate less than 350g/m2·24hr。
The invention also aims to provide a preparation method of the coated paper. The method specifically comprises the following steps: and coating the raw material of the barrier coating on the surface of the raw paper layer, and performing heat treatment to form the barrier coating, thereby obtaining the coated paper.
The method has the advantages of simple process and easy control, does not need to additionally arrange paper coating equipment on the basis of the original coated paper production, and the prepared coated paper has good barrier property.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will now be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The coated paper comprises base paper and a barrier coating coated on the surface of the base paper, wherein the barrier coating comprises the following raw materials in parts by weight: 10-30 parts of butylbenzene emulsion, 60-80 parts of polyvinylidene chloride emulsion, 5-10 parts of ethylene-vinyl acetate copolymer and 0.5-2 parts of auxiliary agent.
The barrier coating material used by the coated paper is prepared by compounding polyvinylidene chloride (PVDC) emulsion with high barrier property, butylbenzene emulsion with strong binding power and good flexibility and ethylene-vinyl acetate copolymer (EVA), so that the barrier coating material has the advantages of good butylbenzene emulsion flexibility, strong binding power and high barrier property of PVDC emulsion, the barrier coating can be tightly attached to base paper, and the coated paper has good moisture-proof and moisture-retaining effects. The composite material has the advantages of good flexibility of the styrene-butadiene emulsion, strong binding power and high barrier property of the PVDC emulsion, avoids the problem that the single PVDC emulsion has poor barrier effect or cannot have the barrier effect due to the fact that the single PVDC emulsion has a fault caused by brittleness and rigidity, improves the intersolubility between the PVDC and the aqueous styrene-butadiene emulsion through the EVA and an auxiliary agent, avoids the problem that the separation is easy to occur due to the fact that the PVDC emulsion and the SBR emulsion have poor intersolubility, and thus the binding power of the barrier coating is strong, the barrier property is high and the flexibility is good.
In one embodiment, the ethylene-vinyl acetate copolymer has a vinyl acetate content of 75 wt% to 90 wt%.
The content of vinyl acetate is within the range of 75 wt% -90 wt%, EVA is in an emulsion state, has good miscibility, can better improve the intersolubility between PVDC and butylbenzene, enables the coating material to be more uniform and consistent, and further improves the uniformity and consistency of the barrier coating.
In one embodiment, the adjuvant is selected from at least one of an inorganic thickener, a defoamer, and a surfactant.
In one embodiment, the raw material auxiliary agent of the barrier coating comprises 0.49-1.9 parts of inorganic thickening agent and 0.01-0.1 part of defoaming agent.
In one embodiment, the inorganic thickener is selected from nano alumina (Al)2O3) Nano silicon dioxide (SiO)2) And nano titanium dioxide (TiO)2) At least one of (1).
Further, the particle size of the inorganic thickener is 10nm to 500 nm.
In one embodiment, the inorganic thickener is fumed alumina or/and fumed silica.
The fumed alumina and the fumed silica have small particle size, large specific surface area, strong structure and good functions of reinforcement, thickening, ultraviolet resistance, sterilization and the like, and the fumed alumina or the fumed silica is added into a mixing system, so that the mutual dispersion and permeation among the components can be promoted, the synergistic effect is achieved to improve the performance of the polymer material, improve the viscosity and the stability of the material of the barrier coating, improve the ageing resistance and the weather resistance of the barrier coating and prolong the service life of the product.
In one embodiment, the defoamer is a silicone defoamer.
In one embodiment, the surfactant is sodium lauryl sulfate.
In one embodiment, the polyvinylidene chloride emulsion has a solid content of 35 wt% to 55 wt%.
In one embodiment, the solid content of the butylbenzene emulsion is 40 wt% to 50 wt%.
In one embodiment, the styrene-butadiene emulsion has a bound styrene content of 23 wt% to 35 wt%.
In one embodiment, the barrier coating has a thickness of 2 μm to 10 μm. It will be appreciated that the barrier coating preferably has a thickness of from 2 μm to 10 μm from the standpoint of coating paper and saving material.
Through detection, the oxygen transmission rate of the coated paper is less than 350cm3/m2d.MPa, water vapour transmission rate less than 350g/m2·24hr。
The invention also aims to provide a preparation method of the coated paper. The method specifically comprises the following steps: and coating the raw material of the barrier coating on the surface of the raw paper layer, and performing heat treatment to form the barrier coating, thereby obtaining the coated paper.
Specifically, 10-30 parts of butylbenzene emulsion and 5-10 parts of ethylene-vinyl acetate copolymer are fully mixed and stirred for 20-60 minutes to obtain a mixture A.
Adding the mixture A into 60-80 parts of polyvinylidene chloride emulsion, and stirring and mixing for 30-60 minutes to obtain a mixture B, wherein the stirring speed is 60-80 revolutions per minute; and then adding 0.5-2 parts of an auxiliary agent into the mixture B, and grinding the mixture B and the auxiliary agent together by using a sand mill for 0.5-3 hours to obtain the barrier coating.
Then the barrier coating is added according to the proportion of 3g/m2～15g/m2Coating the raw paper on the surface of the raw paper, and drying to form a barrier coating, thus obtaining the coated paper.
It can be understood that 3g/m2～15g/m2The coating amount of (2) can ensure that the thickness of the barrier coating is 2-10 mu m.
The method has the advantages of simple process and easy control, does not need to additionally arrange paper coating equipment on the basis of the original coated paper production, and the prepared coated paper has good barrier property.
The following are specific examples
Example 1
1) And fully mixing and stirring 20 parts of butylbenzene emulsion and 9 parts of ethylene-vinyl acetate copolymer for 20 minutes to obtain a mixture A.
2) And adding the mixture A into 70 parts of polyvinylidene chloride emulsion, stirring and mixing for 60 minutes to obtain a mixture B, stirring at the speed of 60-80 revolutions per minute, and grinding for 3 hours by using a sand mill to obtain the barrier coating.
3) And adding 2 parts of auxiliary agent into the mixture B, and then grinding by using a sand mill for 3 hours to obtain the barrier coating.
4) Barrier coating is added according to the proportion of 5g/m2Coating the raw paper on the surface of the raw paper, and drying to form a barrier coating, thus obtaining the coated paper.
Example 2
1) And fully mixing 10 parts of butylbenzene emulsion and 5 parts of ethylene-vinyl acetate copolymer, and stirring for 20 minutes to obtain a mixture A.
2) And adding the mixture A into 80 parts of polyvinylidene chloride emulsion, and stirring and mixing for 60 minutes to obtain a mixture B, wherein the stirring speed is 60-80 revolutions per minute.
3) And adding 1.9 parts of inorganic thickening agent and 0.1 part of defoaming agent into the mixture B, and grinding by using a sand mill for 3 hours to obtain the barrier coating.
4) Barrier coating is added according to the proportion of 5g/m2Coating the raw paper on the surface of the raw paper, and drying to form a barrier coating, thus obtaining the coated paper.
Example 3
1) And fully mixing and stirring 20 parts of butylbenzene emulsion and 9 parts of ethylene-vinyl acetate copolymer emulsion for 30 minutes to obtain a mixture A.
2) And adding the mixture A into 70 parts of polyvinylidene chloride emulsion, and stirring and mixing for 30 minutes to obtain a mixture B, wherein the stirring speed is 60-80 revolutions per minute.
3) And adding 0.49 part of nano alumina and 0.1 part of defoaming agent into the mixture B, and grinding by using a sand mill for 3 hours to obtain the barrier coating.
4) Barrier coating is added according to the proportion of 5g/m2Coating the raw paper on the surface of the raw paper, and drying to form a barrier coating, thus obtaining the coated paper.
Example 4
1) And fully mixing and stirring 30 parts of butylbenzene emulsion and 10 parts of ethylene-vinyl acetate copolymer emulsion for 30 minutes to obtain a mixture A.
2) And adding the mixture A into 60 parts of polyvinylidene chloride emulsion, and stirring and mixing for 30 minutes to obtain a mixture B, wherein the stirring speed is 60-80 revolutions per minute.
3) And adding 1 part of fumed silica and 0.05 part of defoaming agent into the mixture B, and grinding by using a sand mill for 3 hours to obtain the barrier coating.
4) Barrier coating is added according to the proportion of 5g/m2Coating the raw paper on the surface of the raw paper, and drying to form a barrier coating, thus obtaining the coated paper.
Example 5
1) And fully mixing and stirring 20 parts of butylbenzene emulsion and 9 parts of ethylene-vinyl acetate copolymer emulsion for 30 minutes to obtain a mixture A.
2) And adding the mixture A into 70 parts of polyvinylidene chloride emulsion, and stirring and mixing for 30 minutes to obtain a mixture B, wherein the stirring speed is 60-80 revolutions per minute.
3) And adding 1 part of fumed alumina and 0.05 part of defoaming agent into the mixture B, and grinding by using a sand mill for 3 hours to obtain the barrier coating.
4) Barrier coating is added according to the proportion of 5g/m2Is coated on the base paperAnd drying the surface of the paper to form a barrier coating, thus obtaining the coated paper.
Comparative example 1
Comparative example 1A conventional PVDC emulsion was used to coat a cardboard surface at 5g/m2Coating the raw paper on the surface of the raw paper, and drying to form a barrier coating, thus obtaining the coated paper.
Comparative example 2
Comparative example 2A conventional PVDC emulsion was used to coat a cardboard with a coating of 5g/m2Coating the raw paper on the surface of the raw paper, and drying to form a PVDC coating; and coating the PVD coating with styrene-butadiene emulsion, and drying to obtain the coated paper.
Comparative example 3
Comparative example 3 is essentially the same as example 1 except that the barrier coating material of comparative example 3 does not contain an auxiliary.
Comparative example 4
Comparative example 4 is substantially the same as example 3 except that the amount of polyvinylidene chloride is different, specifically the amount of polyvinylidene chloride in comparative example 4 is 90 parts.
Comparative example 5
Comparative example 5 is substantially the same as example 3 except that the amount of the ethylene-acid ethylene copolymer is different, specifically, the amount of the ethylene-acid ethylene copolymer in comparative example 5 is 4 parts.
Performance detection
The moisture barrier and oxygen barrier properties of the paperboard and the coated papers of the examples and comparative examples of the present invention were measured at room temperature, and the specific results are shown in table 1 below.
Detection methods and standards: the water vapor transmission rate refers to GB1037-88, and the oxygen transmission rate refers to GB/T1038-2000.
TABLE 1 comparison of Barrier Properties of paperboard and coated papers of inventive and comparative examples
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The coated paper is characterized by comprising base paper and a barrier coating coated on the surface of the base paper, wherein the barrier coating comprises the following raw materials in parts by weight: 10-30 parts of butylbenzene emulsion, 60-80 parts of polyvinylidene chloride emulsion, 5-10 parts of ethylene-vinyl acetate copolymer and 0.5-2 parts of auxiliary agent; the content of vinyl acetate in the ethylene-vinyl acetate copolymer is 75 wt% -90 wt%, and the auxiliary agent is at least one selected from inorganic thickening agent, defoaming agent and surfactant.
2. The coated paper according to claim 1, wherein the auxiliary comprises 0.49 to 1.9 parts of an inorganic thickener and 0.01 to 0.1 parts of a defoamer.
3. The coated paper of claim 1, wherein the inorganic thickener is at least one selected from the group consisting of nano alumina, nano silica, and nano titania.
4. The coated paper of claim 3, wherein the inorganic thickener is fumed alumina or/and fumed silica.
5. The coated paper according to claim 1, wherein the styrene-butadiene emulsion has a solid content of 40 to 50 wt%.
6. The coated paper of claim 1, wherein the polyvinylidene chloride emulsion has a solid content of 35 to 55 wt%.
7. The coated paper of claim 1, wherein the styrene-butadiene emulsion has a bound styrene content of 23 wt% to 35 wt%.
8. The coated paper of any one of claims 1-7, wherein the barrier coating has a thickness of 2 μm to 10 μm.
9. The method of producing a coated paper according to any one of claims 1 to 8, comprising the steps of: and coating the raw material of the barrier coating on the surface of the raw paper layer, and performing heat treatment to form the barrier coating, thereby obtaining the coated paper.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9823499D0 (en) * | 1998-10-27 | 1998-12-23 | Proman Chem Ltd | Barrier coatings |
| CN101490191A (en) * | 2006-08-30 | 2009-07-22 | 尤尼吉可株式会社 | Coating material for forming gas-batter layer and gas-barrier multilayer body |
| CN102149733A (en) * | 2008-09-12 | 2011-08-10 | 积水精细化工美国有限公司 | Improved barrier layer |
| CN102292500A (en) * | 2008-11-07 | 2011-12-21 | 芬兰优质纸板公司 | Coated recyclable paper or paperboard and methods for their production |
| CN103626909A (en) * | 2013-12-02 | 2014-03-12 | 苏州福斯特光伏材料有限公司 | Polyvinylidene chloride (PVDC) emulsion and preparation method thereof as well as weather-proof barrier coating and application thereof |
| CN103796832A (en) * | 2011-06-21 | 2014-05-14 | Ar金属化有限责任公司 | Method for producing coated vacuum metallized substrates with high vapour and oxygen barrier properties |
| CN104120622A (en) * | 2014-06-26 | 2014-10-29 | 浙江工业大学 | Method for preparing hydrophobic paper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070232743A1 (en) * | 2006-03-30 | 2007-10-04 | Mario Laviolette | Method of forming a vapor impermeable, repulpable coating for a cellulosic substrate and a coating composition for the same |
-
2017
- 2017-12-21 CN CN201711395596.XA patent/CN108130817B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9823499D0 (en) * | 1998-10-27 | 1998-12-23 | Proman Chem Ltd | Barrier coatings |
| CN101490191A (en) * | 2006-08-30 | 2009-07-22 | 尤尼吉可株式会社 | Coating material for forming gas-batter layer and gas-barrier multilayer body |
| CN102149733A (en) * | 2008-09-12 | 2011-08-10 | 积水精细化工美国有限公司 | Improved barrier layer |
| CN102292500A (en) * | 2008-11-07 | 2011-12-21 | 芬兰优质纸板公司 | Coated recyclable paper or paperboard and methods for their production |
| CN103796832A (en) * | 2011-06-21 | 2014-05-14 | Ar金属化有限责任公司 | Method for producing coated vacuum metallized substrates with high vapour and oxygen barrier properties |
| CN103626909A (en) * | 2013-12-02 | 2014-03-12 | 苏州福斯特光伏材料有限公司 | Polyvinylidene chloride (PVDC) emulsion and preparation method thereof as well as weather-proof barrier coating and application thereof |
| CN104120622A (en) * | 2014-06-26 | 2014-10-29 | 浙江工业大学 | Method for preparing hydrophobic paper |
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