CN105153783A - Solvent for transfer coatings and application of solvent - Google Patents
Solvent for transfer coatings and application of solvent Download PDFInfo
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- CN105153783A CN105153783A CN201510546680.1A CN201510546680A CN105153783A CN 105153783 A CN105153783 A CN 105153783A CN 201510546680 A CN201510546680 A CN 201510546680A CN 105153783 A CN105153783 A CN 105153783A
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- solvent
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Abstract
The invention discloses a solvent for transfer coatings and application of the solvent. The solvent comprises, by weight, 5-10 parts of ethanol, 50-70 parts of ethyl acetate, 10-30 parts of n-propyl acetate, 0-8 parts of dimethylacetamide and 0-8 parts of dimethylformamide. Compared with existing solvents for transfer coatings, the solvent has the advantages that the solvent is low in VOCs residual amount, and various VOCs index requirements of food packaging especially cigarette packaging and tipping paper can be satisfied; coating whitening is avoided; the coatings are good in flexibility, less prone to cracking and color explosion, and high in ink printing adaptability; the solvent is universal and suitable for the transfer coatings and gravure ink.
Description
Technical field
The present invention relates to a kind of solvent for transfer coatings and application thereof, belong to technical field of coatings.
Background technology
The present packaged industry of transfer paper widely uses, its manufacture craft is: with BOPP or BOPET film for base material, coating peel ply and information layer, carrier film surface produces permanent laser effect final vacuum evaporation metal through Ni plate mould pressure, dry with Paper or cardboard compound after aluminium plating film surface-coated tackiness agent, by the effect of tackiness agent aluminium-plated molecular layer transferred in paperboard and be separated with carrier basement membrane.
Along with packaging industry competition be growing more intense and human consumer to the growing interest of health, the volatile component of wrapping material more and more receives the concern of people, the each class standard about the volatile compound (VOCs) in wrapping material put into effect, wherein " GBT10004-2008 packaging composite plastic film, bag dry laminating, extrude compound " requires flexible packaging film total solvent residual quantity≤5.0mg/m
2, in " YC264-2008 tobacco lining paper ", require ester class total amount≤5.0mg/m
2, ketone total amount≤3.0mg/m
2, in " YC171-2014 cigarette tipping paper ", require dissolvent residual total amount≤10.0mg/m
2, the impurity such as propyl carbinol, n-butyl acetate solvent total amount≤1.0mg/m
2.
But because needing to use laser transfer coatings in this classification paper production, often cause paper content of volatile organic compound higher, the solvent of current formulation for coating material, primarily of compositions such as butanone, n-butyl acetate, ethyl acetate, propylene glycol monomethyl ether, propyl carbinol, n-propyl acetates, turn white to prevent film and improve film levelling property, need one or more high boiling solvents added in propylene glycol monomethyl ether, propyl carbinol or n-butyl acetate in formula, the residual of high boiling solvent causes actual measurement total solvent residual quantity >10mg/m
2, the environmental requirement of packaging industry new standard cannot be met.
In view of this, the present inventor studies this, and develop a kind of low VOCs mixed solvent for transfer coatings and application thereof specially, this case produces thus.
Summary of the invention
The object of this invention is to provide a kind of low VOCs mixed solvent for transfer coatings and application thereof.
To achieve these goals, solution of the present invention is:
For a solvent for transfer coatings, by weight percentage, following component is comprised:
Wherein, zero is got when N,N-DIMETHYLACETAMIDE is different with dimethyl formamide.
As preferably, the methyl ether in described ethanol, ethyl acetate, n-propyl acetate, N,N-DIMETHYLACETAMIDE, dimethyl formamide, positive butyl ester content are all lower than 800ppm.
Adopt the transfer coatings that above-mentioned solvent is made, by weight percentage, comprise following component:
Above-mentioned transfer coatings complete processing, comprises the steps:
1) solvent is dropped in reactor, after being heated with stirring to 40 ~ 60 DEG C, acrylic resin, cellulosic resin, vinyl chloride-vinyl acetate resin are dropped in reactor in proportion successively, high-speed stirring 2.0 ~ 3.0 hours;
2) after acrylic resin, cellulosic resin, vinyl chloride-vinyl acetate resin fully dissolve, cooling, filters, obtains transfer coatings.
On the basement membrane utilizing coating machine to be coated on equably by the above-mentioned transfer coatings containing low VOCs mixed solvent to cross without corona treatment, form the coating of one deck even compact, then successively through mold pressing, aluminize, the operation such as compound and stripping, obtain low VOCs transfer paper.
Compared with prior art, the present invention has the following advantages:
(1) low VOCs residual quantity, total solvent residual quantity <2mg/m
2, ester class total amount <1mg/m
2, meet the VOCs index request of food product pack particularly tobacco package, cigarette tipping paper, internal lining paper etc.;
(2) film is without blushing;
(3) good film flexibility, not easily be full of cracks, quick-fried look, ink printing adaptability is high;
(4) solvent belongs to general purpose grade product, is applicable to the formulas such as transfer coatings, composite coating, gravure ink.
Embodiment
Embodiment 1
For a solvent for transfer coatings, by weight percentage, following component is comprised:
In described mixed solvent, N,N-DIMETHYLACETAMIDE (boiling point 166 DEG C) and dimethyl formamide (boiling point 152.8 DEG C), as high boiling component, can prevent film from turning white and improve film levelling property.
Methyl ether in described ethanol, ethyl acetate, n-propyl acetate, N,N-DIMETHYLACETAMIDE, positive butyl ester content are all lower than 800ppm.Ensure the low VOCs residual quantity of solvent, total solvent residual quantity <2mg/m
2, ester class total amount <1mg/m
2, meet the VOCs index request of food product pack particularly tobacco package, cigarette tipping paper, internal lining paper etc.
Above-mentioned solvent belongs to general purpose grade product, is applicable to the formulas such as transfer coatings, composite coating, gravure ink.
Adopt the transfer coatings that above-mentioned solvent is made, by weight percentage, comprise following component:
Solvent 85;
Acrylic resin 8;
Cellulosic resin 3.
Above-mentioned transfer coatings complete processing, comprises the steps:
1) solvent is dropped in reactor, after being heated with stirring to 40 ~ 60 DEG C, acrylic resin, cellulosic resin are dropped in reactor in proportion successively, high-speed stirring 2.0 ~ 3.0 hours;
2) after acrylic resin, cellulosic resin fully dissolve, cooling, filters, obtains transfer coatings.
On the basement membrane utilizing coating machine to be coated on equably by the above-mentioned transfer coatings containing low VOCs mixed solvent to cross without corona treatment, form the coating of one deck even compact, good film flexibility, not easily chap, quick-fried look, ink printing adaptability is high.Then successively through mold pressing, aluminize, the operation such as compound and stripping, obtain low VOCs transfer paper.Meet the VOCs index request of food product pack particularly tobacco package, cigarette tipping paper, internal lining paper etc.
Embodiment 2-5
For a solvent for transfer coatings, by weight percentage, following component is comprised:
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Ethanol | 5 | 6 | 7 | 8 | 10 |
| Ethyl acetate | 50 | 60 | 70 | 55 | 65 |
| N-propyl acetate | 10 | 20 | 30 | 25 | 15 |
| N,N-DIMETHYLACETAMIDE | 8 | 0 | 2 | 4 | 6 |
| Dimethyl formamide | 1 | 8 | 3 | 5 | 0 |
The transfer coatings adopting the solvent of embodiment 2-5 to make, by weight percentage, comprises following component:
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Solvent | 85 | 84 | 83 | 82 | 80 |
| Acrylic resin | 8 | 9 | 11 | 13 | 15 |
| Cellulosic resin | 3 | 4 | 5 | 6 | 8 |
| Vinyl chloride-vinyl acetate resin | 0 | 1 | 2 | 4 | 3 |
Embodiment 6
1) any solvent obtained in embodiment 2-5 is dropped in reactor, after being heated with stirring to 60 DEG C, acrylic resin described in any transfer coatings in embodiment 2-5, cellulosic resin, vinyl chloride-vinyl acetate resin are dropped in reactor in proportion successively, high-speed stirring 2.5 hours;
2) after acrylic resin, cellulosic resin, vinyl chloride-vinyl acetate resin fully dissolve, cooling, filters, obtains transfer coatings.
Embodiment 7
1) any solvent obtained in embodiment 2-5 is dropped in reactor, after being heated with stirring to 50 DEG C, acrylic resin described in any transfer coatings in embodiment 2-5, cellulosic resin, vinyl chloride-vinyl acetate resin are dropped in reactor in proportion successively, high-speed stirring 3 hours;
2) after acrylic resin, cellulosic resin, vinyl chloride-vinyl acetate resin fully dissolve, cooling, filters, obtains transfer coatings.
Above-described embodiment non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (4)
1. for a solvent for transfer coatings, it is characterized in that: by weight percentage, comprise following component:
Ethanol 5 ~ 10;
Ethyl acetate 50 ~ 70;
N-propyl acetate 10 ~ 30;
N,N-DIMETHYLACETAMIDE 0 ~ 8;
With dimethyl formamide 0 ~ 8;
Wherein, zero is got when N,N-DIMETHYLACETAMIDE is different with dimethyl formamide.
2. a kind of solvent for transfer coatings as claimed in claim 1, is characterized in that: the methyl ether in described ethanol, ethyl acetate, n-propyl acetate, N,N-DIMETHYLACETAMIDE, dimethyl formamide, positive butyl ester content are all lower than 800ppm.
3. a kind of transfer coatings made for the solvent of transfer coatings as claimed in claim 1, is characterized in that: by weight percentage, comprises following component:
Solvent 80-85;
Acrylic resin 8 ~ 15;
Cellulosic resin 3 ~ 8;
Vinyl chloride-vinyl acetate resin 0 ~ 4.
4. the complete processing of a kind of transfer coatings as claimed in claim 3, is characterized in that comprising the steps:
1) solvent is dropped in reactor, after being heated with stirring to 40 ~ 60 DEG C, acrylic resin, cellulosic resin, vinyl chloride-vinyl acetate resin are dropped in reactor in proportion successively, high-speed stirring 2.0 ~ 3.0 hours;
2) after acrylic resin, cellulosic resin, vinyl chloride-vinyl acetate resin fully dissolve, cooling, filters, obtains transfer coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546680.1A CN105153783A (en) | 2015-08-31 | 2015-08-31 | Solvent for transfer coatings and application of solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510546680.1A CN105153783A (en) | 2015-08-31 | 2015-08-31 | Solvent for transfer coatings and application of solvent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105153783A true CN105153783A (en) | 2015-12-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510546680.1A Pending CN105153783A (en) | 2015-08-31 | 2015-08-31 | Solvent for transfer coatings and application of solvent |
Country Status (1)
| Country | Link |
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| CN (1) | CN105153783A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575184A (en) * | 2022-01-21 | 2022-06-03 | 浙江亚欣包装材料有限公司 | Production method of tipping paper with deep-grain frosted effect |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104371410A (en) * | 2014-11-18 | 2015-02-25 | 烟台博源科技材料股份有限公司 | Auxiliary for reducing VOC (Volatile Organic Compound) of coating of transfer coating and preparation method thereof |
-
2015
- 2015-08-31 CN CN201510546680.1A patent/CN105153783A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104371410A (en) * | 2014-11-18 | 2015-02-25 | 烟台博源科技材料股份有限公司 | Auxiliary for reducing VOC (Volatile Organic Compound) of coating of transfer coating and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575184A (en) * | 2022-01-21 | 2022-06-03 | 浙江亚欣包装材料有限公司 | Production method of tipping paper with deep-grain frosted effect |
| CN114575184B (en) * | 2022-01-21 | 2023-02-28 | 浙江亚欣包装材料有限公司 | Production method of tipping paper with deep-grain frosted effect |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |
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| RJ01 | Rejection of invention patent application after publication |