CN114350195A - Method for preparing photoetching film - Google Patents
Method for preparing photoetching film Download PDFInfo
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- CN114350195A CN114350195A CN202210015151.9A CN202210015151A CN114350195A CN 114350195 A CN114350195 A CN 114350195A CN 202210015151 A CN202210015151 A CN 202210015151A CN 114350195 A CN114350195 A CN 114350195A
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Abstract
The invention relates to a preparation method of a photoetching film, which comprises a base film and a coating coated on the base film, and the preparation method comprises the following steps: step one, coating mixing, step two coating and step three drying, the invention has the advantages that: the coating is prepared from isooctyl acrylate, n-propyl acetate, propylene glycol methyl ether, cellulose acetate propionate, adipic acid, diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexane and oxepin-2-ketone, so that the toughness of the coating is increased, the solid content of the coating can be increased to 25-30%, the viscosity of the coating is 25-28 s, the coated photoetching film is beneficial to the die pressing of deep texture products, the coating can meet the die pressing requirement of deep texture only by being coated once due to high solid content, and the production efficiency is greatly improved.
Description
Technical Field
The invention relates to a preparation method of a photoetching film.
Background
The photoetching film is a product which applies laser photoetching technology and performs laser mould pressing on a plastic film to obtain special patterns on the surface of the material, a layer of coating needs to be coated on the plastic film before the laser mould pressing of the existing plastic film, and the existing coating needs to be coated twice in order to achieve better mould pressing forming of deep-grained products, so that the production efficiency is low.
Disclosure of Invention
The invention aims to provide a method for preparing a photoetching film, which can meet the requirement of deep-pattern die pressing only by coating once and greatly improves the production efficiency.
In order to solve the technical problems, the invention is realized by the following technical scheme: a preparation method of a photoetching film comprises a base film and a coating coated on the base film, wherein the coating is formed by coating a coating material through a coating roller, and the coating material comprises the following components: 30-50 parts of isooctyl acrylate, 10-15 parts of n-propyl acetate, 8-12 parts of propylene glycol methyl ether, 2-6 parts of cellulose acetate propionate, 5-10 parts of adipic acid, 6-10 parts of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one, and the preparation method comprises the following steps:
the method comprises the following steps: mixing the coating: putting isooctyl acrylate, n-propyl acetate, propylene glycol methyl ether, cellulose acetate propionate, adipic acid, diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexane and oxepin-2-one into a stirring cylinder in sequence for stirring, wherein the stirring speed is 3000 r/min, the stirring temperature is 20-30 ℃, the stirring humidity is 35-55% RH, and the stirring time is 40-60 min;
step two: coating: uniformly coating the coating mixed and stirred in the step one on a base film through a coating roller;
step three: drying: drying the coating obtained in the step two by a five-section drying oven, wherein the temperature of the front four sections of drying oven of the five-section drying oven clock is Tn＝T1Setting positive (n-1) d, wherein d is 20-30, and T1The temperature of (a) is 60-65 ℃, and the temperature of the last section of the oven is T5Wherein: t is2＜T5＜T3。
Preferably, the coating comprises the following components: 30 parts by weight of isooctyl acrylate, 15 parts by weight of n-propyl acetate, 12 parts by weight of propylene glycol methyl ether, 6 parts by weight of cellulose acetate propionate, 10 parts by weight of adipic acid, 10 parts by weight of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one.
Preferably, the coating comprises the following components: 41 parts by weight of isooctyl acrylate, 12.6 parts by weight of n-propyl acetate, 9.1 parts by weight of propylene glycol methyl ether, 4.21 parts by weight of cellulose acetate propionate, 7.2 parts by weight of adipic acid, 9.07 parts by weight of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one.
Preferably, the coating comprises the following components: 50 parts by weight of isooctyl acrylate, 10 parts by weight of n-propyl acetate, 8 parts by weight of propylene glycol methyl ether, 2 parts by weight of cellulose acetate propionate, 5 parts by weight of adipic acid, 6 parts by weight of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one.
Preferably, the mass of the coating is 2 to 2.3g per square meter of the base film.
Preferably, the coating roll in the second step is a 170-mesh diagonal roll, and the dry coating amount of the coating roll is 9-11 g.
Preferably, the temperatures of the five sections of the oven in the third step are respectively 60 ℃, 90 ℃, 120 ℃, 150 ℃ and 100 ℃.
In conclusion, the invention has the advantages that: the photoetching film prepared by the preparation method of mixing the coating in the first step, coating in the second step and drying in the third step is characterized in that the coating is prepared from isooctyl acrylate, n-propyl acetate, propylene glycol methyl ether, cellulose acetate propionate, adipic acid, diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexane and oxepin-2-ketone, so that the toughness of the coating is increased, the solid content of the coating can be increased and the viscosity of the coating can be changed, the solid content of the coating can be increased to 25-30%, the viscosity of the coating is 25-28 s, the coated photoetching film is beneficial to mould pressing of deep products, and the coating can meet the deep-line mould pressing requirement only by coating once due to high solid content, the production efficiency is greatly improved, the problem of coating crispness under the condition of high dry weight can be solved, secondly, the requirement of a client on not coating varnish can be met, the cost is saved, VOC residue under the condition of high dry weight is well balanced, in the drying step of the third step, the temperature of an oven is well controlled, the problem of mold pressing 'plate pasting' of a photoetching film in the drying process is not easy to occur, the yield is improved, finally, n-propyl acetate is added into the coating, the coating can be diluted, the coating is slowly volatilized in the drying process, the phenomenon that the surface of the coating film is not dry due to too fast volatilization is prevented, and the mold pressing performance is influenced.
Detailed Description
A preparation method of a photoetching film comprises a base film and a coating coated on the base film, wherein the coating is formed by coating a coating material through a coating roller, and the coating material comprises the following components: 30-50 parts of isooctyl acrylate, 10-15 parts of n-propyl acetate, 8-12 parts of propylene glycol methyl ether, 2-6 parts of cellulose acetate propionate, 5-10 parts of adipic acid, 6-10 parts of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one, and the preparation method comprises the following steps:
the method comprises the following steps: mixing the coating: putting isooctyl acrylate, n-propyl acetate, propylene glycol methyl ether, cellulose acetate propionate, adipic acid, diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexane and oxepin-2-one into a stirring cylinder in sequence for stirring, wherein the stirring speed is 3000 r/min, the stirring temperature is 20-30 ℃, the stirring humidity is 35-55% RH, and the stirring time is 40-60 min;
step two: coating: uniformly coating the coating mixed and stirred in the step one on a base film through a coating roller;
step three: drying: drying the coating obtained in the step two by a five-section drying oven, wherein the temperature of the front four sections of drying oven of the five-section drying oven clock is Tn＝T1Setting positive (n-1) d, wherein d is 20-30, and T1The temperature of (a) is 60-65 ℃, and the temperature of the last section of the oven is T5Wherein: t is2＜T5＜T3。
The photoetching film prepared by the preparation method of mixing the coating in the first step, coating in the second step and drying in the third step is characterized in that the coating is prepared from isooctyl acrylate, n-propyl acetate, propylene glycol methyl ether, cellulose acetate propionate, adipic acid, diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexane and oxepin-2-ketone, so that the toughness of the coating is increased, the solid content of the coating can be increased and the viscosity of the coating can be changed, the solid content of the coating can be increased to 25-30%, the viscosity of the coating is 25-28 s, the coated photoetching film is beneficial to mould pressing of deep products, and the coating can meet the deep-line mould pressing requirement only by coating once due to high solid content, the production efficiency is greatly improved, the problem of coating crispness under the condition of high dry weight can be solved, secondly, the requirement of a client on not coating varnish can be met, the cost is saved, VOC residue under the condition of high dry weight is well balanced, in the drying step of the third step, the temperature of an oven is well controlled, the problem of mold pressing 'plate pasting' of a photoetching film in the drying process is not easy to occur, the yield is improved, finally, n-propyl acetate is added into the coating, the coating can be diluted, the coating is slowly volatilized in the drying process, the phenomenon that the surface of the coating film is not dry due to too fast volatilization is prevented, and the mold pressing performance is influenced.
The mass of the coating in each square meter of the base film is 2-2.3 g, the mould pressing performance can be improved under the condition that the leveling effect is guaranteed, the yield is improved, the coating roller in the second step is a 170-mesh diagonal roller, the dry coating amount of the coating roller is 9-11 g, the diagonal roller can guarantee that the coating has a good leveling effect after coating, the coating is high in flatness, the leveling problems of coating orange peels and the like are avoided, the dry coating amount is high, the temperatures of five baking ovens in the third step are respectively 60 ℃, 90 ℃, 120 ℃, 150 ℃ and 100 ℃, the drying effect temperature of the whole baking oven can be guaranteed to be about 82 ℃, the temperature of the drying oven is too low, the drying of a film is not thorough, and mould pressing paste can be caused; too high a temperature can result in a stamped tampon.
Example one
The coating comprises the following components: 30 parts by weight of isooctyl acrylate, 15 parts by weight of n-propyl acetate, 12 parts by weight of propylene glycol methyl ether, 6 parts by weight of cellulose acetate propionate, 10 parts by weight of adipic acid, 10 parts by weight of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one.
Example two
The coating comprises the following components: 41 parts by weight of isooctyl acrylate, 12.6 parts by weight of n-propyl acetate, 9.1 parts by weight of propylene glycol methyl ether, 4.21 parts by weight of cellulose acetate propionate, 7.2 parts by weight of adipic acid, 9.07 parts by weight of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one.
EXAMPLE III
The coating comprises the following components: 50 parts by weight of isooctyl acrylate, 10 parts by weight of n-propyl acetate, 8 parts by weight of propylene glycol methyl ether, 2 parts by weight of cellulose acetate propionate, 5 parts by weight of adipic acid, 6 parts by weight of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one.
The coatings prepared in example one, example two and example three were tested for solids content and viscosity, and the specific test structure is shown in table one.
| Solid content | Viscosity of the oil | |
| Example one | 26％ | 25s |
| Example two | 30％ | 27s |
| EXAMPLE III | 28％ | 25s |
Watch 1
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.
Claims (7)
1. A method for preparing a photolithographic film, which comprises a base film and a coating layer coated on the base film, and is characterized in that: the coating is formed by coating a coating through a coating roller, and the coating comprises the following components: 30-50 parts of isooctyl acrylate, 10-15 parts of n-propyl acetate, 8-12 parts of propylene glycol methyl ether, 2-6 parts of cellulose acetate propionate, 5-10 parts of adipic acid, 6-10 parts of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one, and the preparation method comprises the following steps:
the method comprises the following steps: mixing the coating: putting isooctyl acrylate, n-propyl acetate, propylene glycol methyl ether, cellulose acetate propionate, adipic acid, diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexane and oxepin-2-one into a stirring cylinder in sequence for stirring, wherein the stirring speed is 3000 r/min, the stirring temperature is 20-30 ℃, the stirring humidity is 35-55% RH, and the stirring time is 40-60 min;
step two: coating: uniformly coating the coating mixed and stirred in the step one on a base film through a coating roller;
step three: drying: drying the coating obtained in the step two by a five-section drying oven, wherein the temperature of the front four sections of drying oven of the five-section drying oven clock is Tn＝T1Setting positive (n-1) d, wherein d is 20-30, and T1The temperature of (a) is 60-65 ℃, and the temperature of the last section of the oven is T5Wherein: t is2＜T5＜T3。
2. The method for producing a photolithographic film as defined in claim 1, wherein: the coating comprises the following components: 30 parts by weight of isooctyl acrylate, 15 parts by weight of n-propyl acetate, 12 parts by weight of propylene glycol methyl ether, 6 parts by weight of cellulose acetate propionate, 10 parts by weight of adipic acid, 10 parts by weight of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one.
3. The method for producing a photolithographic film as defined in claim 1, wherein: the coating comprises the following components: 41 parts by weight of isooctyl acrylate, 12.6 parts by weight of n-propyl acetate, 9.1 parts by weight of propylene glycol methyl ether, 4.21 parts by weight of cellulose acetate propionate, 7.2 parts by weight of adipic acid, 9.07 parts by weight of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one.
4. The method for producing a photolithographic film as defined in claim 1, wherein: the coating comprises the following components: 50 parts by weight of isooctyl acrylate, 10 parts by weight of n-propyl acetate, 8 parts by weight of propylene glycol methyl ether, 2 parts by weight of cellulose acetate propionate, 5 parts by weight of adipic acid, 6 parts by weight of diphenyl carbonate, hexane-1, 6-diol, 5-isocyanato-1- (isocyanatomethyl) -1,3, 3-trimethyl-cyclohexano, oxepin-2-one.
5. The method for producing a photolithographic film as defined in any one of claims 1 to 4, wherein: the mass of the coating in each square meter of the base film is 2-2.3 g.
6. The method for producing a photolithographic film as defined in any one of claims 1 to 4, wherein: the coating roll in the second step is a diagonal roll with 170 meshes, and the dry coating amount of the coating roll is 9-11 g.
7. The method for producing a photolithographic film as defined in any one of claims 1 to 4, wherein: the temperatures of the five sections of the drying oven in the third step are respectively 60 ℃, 90 ℃, 120 ℃, 150 ℃ and 100 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210015151.9A CN114350195A (en) | 2022-01-07 | 2022-01-07 | Method for preparing photoetching film |
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| CN202210015151.9A CN114350195A (en) | 2022-01-07 | 2022-01-07 | Method for preparing photoetching film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116213229A (en) * | 2023-02-15 | 2023-06-06 | 苏大维格(盐城)光电科技有限公司 | Preparation method of deep-grain laser film |
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| CN103614945A (en) * | 2013-11-26 | 2014-03-05 | 浙江亚欣包装材料有限公司 | Production process integrating positioned aluminum washing and medium plating processes |
| CN103640352A (en) * | 2013-11-26 | 2014-03-19 | 浙江亚欣包装材料有限公司 | Production process of laser transfer film |
| CN109177247A (en) * | 2018-08-10 | 2019-01-11 | 浙江亚欣包装材料有限公司 | A kind of line molten state mould pressing process |
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2022
- 2022-01-07 CN CN202210015151.9A patent/CN114350195A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614945A (en) * | 2013-11-26 | 2014-03-05 | 浙江亚欣包装材料有限公司 | Production process integrating positioned aluminum washing and medium plating processes |
| CN103640352A (en) * | 2013-11-26 | 2014-03-19 | 浙江亚欣包装材料有限公司 | Production process of laser transfer film |
| CN109177247A (en) * | 2018-08-10 | 2019-01-11 | 浙江亚欣包装材料有限公司 | A kind of line molten state mould pressing process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116213229A (en) * | 2023-02-15 | 2023-06-06 | 苏大维格(盐城)光电科技有限公司 | Preparation method of deep-grain laser film |
| CN116213229B (en) * | 2023-02-15 | 2024-03-19 | 苏大维格(盐城)光电科技有限公司 | Preparation method of deep-grain laser film |
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