CN110700007A - Back coating of high-water-resistance vacuum aluminized base paper - Google Patents
Back coating of high-water-resistance vacuum aluminized base paper Download PDFInfo
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- CN110700007A CN110700007A CN201910688957.2A CN201910688957A CN110700007A CN 110700007 A CN110700007 A CN 110700007A CN 201910688957 A CN201910688957 A CN 201910688957A CN 110700007 A CN110700007 A CN 110700007A
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- Prior art keywords
- calcium carbonate
- styrene
- latex
- kaolin
- base paper
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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
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- 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
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- 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
-
- 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
- D21H19/56—Macromolecular organic compounds or oligomers thereof 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
- D21H19/36—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
- D21H19/62—Macromolecular organic compounds or oligomers thereof obtained otherwise than 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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/64—Inorganic compounds
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
A back coating of highly water-resistant vacuum aluminized base paper specifically comprises 70-85 oven-dried parts by mass of white pigment, 15-25 oven-dried parts by mass of adhesive, 0.3-5 oven-dried parts by mass of cross-linked water repellent agent and 0.05-0.30 oven-dried parts by mass of thickening agent; the white pigment is at least one of precipitated calcium carbonate, ground calcium carbonate, titanium dioxide and kaolin; the adhesive is at least one of styrene-butadiene latex, carboxylic styrene-butadiene latex, polyvinyl acetate emulsion, styrene-acrylic latex, acrylic latex and polyvinyl alcohol; the crosslinking water repellent agent is one of polyamide polyurea resin, glyoxal resin, amino resin, epoxy resin, zirconium potassium carbonate or zirconium ammonium carbonate; the thickening agent is at least one of sodium carboxymethyl cellulose, hydrophobically modified hydroxyethyl cellulose, hydrophobic hydroxyethyl urethane and acrylic copolymer; the solid content of the coating is 40-60%, and the viscosity is 200-500 CP.
Description
Technical Field
The invention belongs to the field of vacuum aluminizing base paper coatings, and particularly relates to a back coating of high-water-resistance vacuum aluminizing base paper.
Background
Vacuum aluminized paper is increasingly popular in the market due to good packing property, decoration property, economical efficiency and good environment retentivity, and is widely used as a novel environment-friendly material for packing various products, such as cigarette packets, wine bags, cosmetics, food and the like, and products such as laser anti-counterfeiting marks, labels and the like. The oven dry quality of the vacuum aluminized paper depends greatly on the oven dry quality of the vacuum aluminized base paper. The vacuum aluminized paper applied to the wine label is not only required to be suitable for processing various vacuum aluminizing machines, embossing machines and high-speed die cutting machines, but also is required to be suitable for bottle sticking of a high-speed labeling machine. After the label with the glue is attached to the bottle, the solvent of the glue can be quickly evaporated (generally, the solvent is water), water penetrates through the label paper to be evaporated, and the label also plays an important role in the bonding speed of the glue. Therefore, different glue, different purposes and different shapes of labels have different requirements for aluminizing. This patent is to special-shaped label, and glue solid content is lower, needs the body paper to have lower hydroscopicity, prevents the label because of the too emergence of subsides mark wrinkle phenomenon that arouses of hydroscopicity.
The aluminized base paper produced by the prior art can meet the requirements of common aluminized paper, but the special-shaped aluminized label paper requiring low glue solid content in labeling cannot meet the requirements of users in water resistance, and the water absorption is generally only 16-20g/m 2. The prior technical scheme for improving the water resistance of paper comprises two main technical schemes, namely film spraying and AKD wax coating, can achieve a good water resistance effect, but can cause the problem of label sliding in the later labeling process, and is not feasible for the aluminized base paper applied to the label industry.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a back coating of a high-water-resistance vacuum aluminizing base paper, aiming at the defects in the prior art, and the back coating is used for coating and covering the back surface of the aluminizing base paper contacted with bottle-sticking glue to improve the water resistance of the back surface of the aluminizing base paper, can meet the requirements of other physical indexes of the aluminizing base paper, and does not influence the subsequent aluminizing processing and labeling procedures.
The invention aims to complete the technical scheme that the back coating of the high-water-resistance vacuum aluminized base paper comprises 70-85 oven-dry parts of white pigment, 15-25 oven-dry parts of adhesive, 0.3-5 oven-dry parts of crosslinking water repellent agent and 0.05-0.30 oven-dry parts of thickening agent; the white pigment is at least one of precipitated calcium carbonate, ground calcium carbonate, titanium dioxide and kaolin; the adhesive is at least one of styrene-butadiene latex, carboxylic styrene-butadiene latex, polyvinyl acetate emulsion, styrene-acrylic latex, acrylic latex and polyvinyl alcohol; the crosslinking water repellent agent is one of polyamide polyurea resin, glyoxal resin, amino resin, epoxy resin, zirconium potassium carbonate or zirconium ammonium carbonate; the thickening agent is at least one of sodium carboxymethyl cellulose, hydrophobically modified hydroxyethyl cellulose, hydrophobic hydroxyethyl urethane and acrylic copolymer; the solid content of the coating is 40-60%, and the viscosity is 200-500 CP.
Further, the white pigment is one of ground calcium carbonate or kaolin or a mixture of ground calcium carbonate and kaolin mixed in any proportion, the whiteness of the ground calcium carbonate is not lower than 90, and the proportion of the particle size of the ground calcium carbonate smaller than 2um is not lower than 60% of the total content of the ground calcium carbonate; the kaolin is peeled kaolin, the whiteness is not lower than 80, and the diameter-thickness ratio is 10-30.
Further, the adhesive is one of styrene-butadiene latex or styrene-acrylic latex, the viscosity of the latex is less than 300CP, and the particle size is 140-150 nm.
The invention has the beneficial technical effects that: the vacuum aluminized base paper coated on the back by the coating is normal in aluminized die cutting labeling, and the phenomena of label sliding and label wrinkling are not generated in low-concentration glue labeling.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention is further described with reference to the following embodiments.
The back coating of the highly water-resistant vacuum aluminized base paper comprises 70-85 oven dry parts of white pigment, 15-25 oven dry parts of adhesive, 0.3-5 oven dry parts of crosslinking water repellent agent and 0.05-0.30 oven dry parts of thickening agent; the white pigment is at least one of precipitated calcium carbonate, ground calcium carbonate, titanium dioxide and kaolin; the adhesive is at least one of styrene-butadiene latex, carboxylic styrene-butadiene latex, polyvinyl acetate emulsion, styrene-acrylic latex, acrylic latex and polyvinyl alcohol; the crosslinking water repellent agent is one of polyamide polyurea resin, glyoxal resin, amino resin, epoxy resin, zirconium potassium carbonate or zirconium ammonium carbonate; the thickening agent is at least one of sodium carboxymethyl cellulose, hydrophobically modified hydroxyethyl cellulose, hydrophobic hydroxyethyl urethane and acrylic copolymer; the solid content of the coating is 40-60%, and the viscosity is 200-500 CP.
The white pigment is one of ground calcium carbonate or kaolin or a mixture of ground calcium carbonate and kaolin mixed according to any proportion, the whiteness of the ground calcium carbonate is not lower than 90, and the proportion of the particle size of the ground calcium carbonate smaller than 2um is not lower than 60% of the total content of the ground calcium carbonate; the kaolin is peeled kaolin, the whiteness is not lower than 80, and the diameter-thickness ratio is 10-30. The adhesive is one of styrene-butadiene latex or styrene-acrylic latex, the viscosity of the latex is less than 300CP, and the particle size is 140-150 nm. The purpose of adding the adhesive and the white pigment in the coating system is that the coating can form a coating with uniform thickness on the back surface of paper by coating, so that a fiber layer is sealed, and the function of resisting water is achieved; the purpose of adding the crosslinking water-resistant agent is to crosslink and solidify active hydroxyl in the crosslinking agent and hydroxyl in the adhesive to form a reticular solidified film, thereby achieving the water-resistant effect.
Key physical indexes are as follows: the cobb value is less than or equal to 15g/m2, the water penetration is more than 60s, and the back surface smoothness is less than or equal to 400 s.
The coating formula is implemented by adopting a scraper coating method, and the specific implementation can adopt a scraper coating method and a metering rod coating method.
The following examples illustrate the invention without limiting the scope thereof, the chemicals used being calculated as percentages of dry matter; the following cobb value, water penetration, smoothness tests were performed according to the relevant standards.
Example 1
Example 2
Example 3
The main physical index test effects of the high-water-resistance vacuum aluminized base paper coated on the reverse side according to the formula of the embodiment are as follows:
the specific embodiments described herein are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (3)
1. The back coating of the high-water-resistance vacuum aluminized base paper is characterized by comprising 70-85 oven dry parts of white pigment, 15-25 oven dry parts of adhesive, 0.3-5 oven dry parts of crosslinking water-resisting agent and 0.05-0.30 oven dry parts of thickening agent; the white pigment is at least one of precipitated calcium carbonate, ground calcium carbonate, titanium dioxide and kaolin; the adhesive is at least one of styrene-butadiene latex, carboxylic styrene-butadiene latex, polyvinyl acetate emulsion, styrene-acrylic latex, acrylic latex and polyvinyl alcohol; the crosslinking water repellent agent is one of polyamide polyurea resin, glyoxal resin, amino resin, epoxy resin, zirconium potassium carbonate or zirconium ammonium carbonate; the thickening agent is at least one of sodium carboxymethyl cellulose, hydrophobically modified hydroxyethyl cellulose, hydrophobic hydroxyethyl urethane and acrylic copolymer; the solid content of the coating is 40-60%, and the viscosity is 200-500 CP.
2. The back coating of highly water-resistant vacuum aluminized base paper of claim 1, characterized in that the white pigment is a mixture of ground calcium carbonate and kaolin mixed in any proportion of ground calcium carbonate or kaolin, the whiteness of the ground calcium carbonate is not less than 90, and the proportion of the particle size less than 2um is not less than 60% of the total content of the ground calcium carbonate; the kaolin is peeled kaolin, the whiteness is not lower than 80, and the diameter-thickness ratio is 10-30.
3. The back coating of highly water-resistant vacuum aluminized base paper according to claim 1 or 2, characterized in that the adhesive is one of styrene-butadiene latex or styrene-acrylic latex, the latex viscosity is less than 300CP, and the particle size is 140-150 nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910688957.2A CN110700007A (en) | 2019-07-29 | 2019-07-29 | Back coating of high-water-resistance vacuum aluminized base paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910688957.2A CN110700007A (en) | 2019-07-29 | 2019-07-29 | Back coating of high-water-resistance vacuum aluminized base paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110700007A true CN110700007A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910688957.2A Pending CN110700007A (en) | 2019-07-29 | 2019-07-29 | Back coating of high-water-resistance vacuum aluminized base paper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592374A (en) * | 2022-03-29 | 2022-06-07 | 江苏博汇纸业有限公司 | Method for improving water absorption of paperboard fiber layer |
| CN114673031A (en) * | 2022-04-08 | 2022-06-28 | 山东仁丰特种材料股份有限公司 | Preparation method of high-performance air filter paper for heavy-duty vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372817A (en) * | 2008-10-06 | 2009-02-25 | 民丰特种纸股份有限公司 | Production method of water resistant vacuum aluminum-plated base paper |
| CN102505562A (en) * | 2011-11-18 | 2012-06-20 | 浙江永泰纸业集团股份有限公司 | Water soluble paint for base paper surface treatment of vacuum aluminum-plated paper |
| CN103866607A (en) * | 2014-03-25 | 2014-06-18 | 广州慧谷化学有限公司 | High-strength directly aluminizing water-based base coat and preparation method and application of high-strength directly aluminizing water-based base coat |
-
2019
- 2019-07-29 CN CN201910688957.2A patent/CN110700007A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372817A (en) * | 2008-10-06 | 2009-02-25 | 民丰特种纸股份有限公司 | Production method of water resistant vacuum aluminum-plated base paper |
| CN102505562A (en) * | 2011-11-18 | 2012-06-20 | 浙江永泰纸业集团股份有限公司 | Water soluble paint for base paper surface treatment of vacuum aluminum-plated paper |
| CN103866607A (en) * | 2014-03-25 | 2014-06-18 | 广州慧谷化学有限公司 | High-strength directly aluminizing water-based base coat and preparation method and application of high-strength directly aluminizing water-based base coat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592374A (en) * | 2022-03-29 | 2022-06-07 | 江苏博汇纸业有限公司 | Method for improving water absorption of paperboard fiber layer |
| CN114673031A (en) * | 2022-04-08 | 2022-06-28 | 山东仁丰特种材料股份有限公司 | Preparation method of high-performance air filter paper for heavy-duty vehicle |
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Application publication date: 20200117 |
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