CN117210119A - Water-based UV preprinting gloss oil - Google Patents

Water-based UV preprinting gloss oil Download PDF

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Publication number
CN117210119A
CN117210119A CN202311352343.XA CN202311352343A CN117210119A CN 117210119 A CN117210119 A CN 117210119A CN 202311352343 A CN202311352343 A CN 202311352343A CN 117210119 A CN117210119 A CN 117210119A
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China
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parts
preprinting
reaction kettle
water
gloss oil
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Pending
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CN202311352343.XA
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Chinese (zh)
Inventor
蒲德兴
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Hunan Huihua New Material Co ltd
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Hunan Huihua New Material Co ltd
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Priority to CN202311352343.XA priority Critical patent/CN117210119A/en
Publication of CN117210119A publication Critical patent/CN117210119A/en
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Abstract

The application belongs to the field of packaging printing materials, and particularly relates to water-based UV preprinting gloss oil. The water-based UV preprinting gloss oil is characterized by comprising the following raw materials in parts by mass: 135-193 parts of polycarbonate diol, 21-65 parts of polytetrahydrofuran ester diol, 25-36 parts of dimethylol butyric acid, 10-40 parts of 1, 4-cyclohexanedimethanol, 156-215 parts of hydrogenated phenylmethane diisocyanate, 0.01-0.2 part of dibutyltin dilaurate, 0.01-0.03 part of 4-methoxyphenol, 39-63 parts of 4-hydroxybutyl acrylate, 27-39 parts of triethylamine, 0.3-1 part of organosilicon defoamer, 0.5-1.8 parts of alcohol alkoxy chemical wetting agent, 0.05-0.3 part of vinyl-terminated organosilicon, 18-30 parts of 2-hydroxy-2-methylbenzophenone photoinitiator and 15-27 parts of diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide photoinitiator. The beneficial effects are that: the water-based UV preprinting gloss oil can be mixed and dissolved with water and ethanol, is resistant to friction at 180 ℃ and free of scratch and decoloration, is difficult to adhere after being solidified and dried, can be quickly stacked and piled, is convenient for subsequent binding processing, and has good water resistance.

Description

Water-based UV preprinting gloss oil
Technical Field
The application belongs to the field of packaging printing materials, and particularly relates to water-based UV preprinting gloss oil.
Background
The traditional corrugated board is formed by facial tissue and paper in a core paper box, the surface of the corrugated board is uneven due to a hollow structure, a washboard phenomenon can be generated at a place with inconsistent pressure during corrugated board processing, excessive moisture is left by applying pressure box colloid to the corrugated core paper in the mounting process, and the technical properties such as flat pressing strength, wear resistance, adhesive strength and the like of the paper box are difficult to meet the requirements of high-grade commodities on packaging. The corrugated paper adopting the preprinting varnish and the preprinting process can ensure the integrity of the paperboard performance, has good protection effect on commodities, and can well protect the shape of the corrugated paper due to small die cutting compression of the corrugated paper.
In the corrugated board production process by adopting the preprinting process, in order to thoroughly dry the adhesive in the corrugated board, the corrugated board needs to be subjected to high-temperature drying and mounting processes at 160-220 ℃, and in the high-temperature baking process, the color and pattern of the printed matter need to be protected from color change. Meanwhile, in the secondary processing process of the tile line, paper products are easy to scrape and scratch, equipment and the like, and patterns printed on the facial tissues are easy to infiltrate and change due to the fact that a large amount of water is contained in the adhesive used for multi-layer compounding.
Disclosure of Invention
In view of the above, the present application provides an aqueous UV preprinting varnish.
The water-based UV preprinting gloss oil is characterized by comprising the following raw materials in parts by mass: 135-193 parts of polycarbonate diol, 21-65 parts of polytetrahydrofuran ester diol, 25-36 parts of dimethylol butyric acid, 10-40 parts of 1, 4-cyclohexanedimethanol, 156-215 parts of hydrogenated phenylmethane diisocyanate, 0.01-0.2 part of dibutyltin dilaurate, 0.01-0.03 part of 4-methoxyphenol, 39-63 parts of 4-hydroxybutyl acrylate, 27-39 parts of triethylamine, 0.3-1 part of organosilicon defoamer, 0.5-1.8 parts of alcohol alkoxy chemical wetting agent, 0.05-0.3 part of vinyl-terminated organosilicon, 18-30 parts of 2-hydroxy-2-methylbenzophenone photoinitiator and 15-27 parts of diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide photoinitiator.
The molecular weight of the polycarbonate diol is 1000.
The molecular weight of the tetrahydrofurane diol is 500.
The 1, 4-cyclohexanedimethanol is an internal plasticization heat-resistant chain extender, and can improve the heat resistance and friction resistance of gloss oil.
The hydrogenated phenyl methane diisocyanate provides a smooth polymerization reaction.
The vinyl-terminated organosilicon contains unsaturated vinyl-terminated groups, can react with the preprinted gloss oil during UV curing of the preprinted gloss oil, can improve scratch resistance and hydrophobicity of the gloss oil, and is durable in scratch resistance and hydrophobicity and not easy to migrate due to the participation in curing polymerization.
The preparation method of the aqueous UV preprinting gloss oil is characterized by comprising the following steps:
(1) Heating the reaction kettle to 61+/-2 ℃, adding 135-193 parts of polycarbonate dihydric alcohol, 25-36 parts of dimethylol butyric acid and 10-40 parts of 1, 4-cyclohexanedimethanol into the reaction kettle, and uniformly stirring;
(2) After the dihydroxymethyl butyric acid is fully dissolved and dispersed in the polycarbonate diol, 156-215 parts of hydrogenated phenyl methane diisocyanate is added into a reaction kettle, and the mixture is stirred for 10min, and then the temperature of the reaction kettle is raised to 73+/-2 ℃; reacting for 30min;
(3) Heating the reaction kettle to 93+/-2 ℃, adding 0.01-0.2 part of dibutyltin dilaurate, and reacting for 2 hours;
(4) Dropwise adding 39-63 parts of 4-hydroxybutyl acrylate dissolved with 0.01-0.03 parts of 4-methoxyphenol to the reaction kettle at 73+/-2 ℃ for 30min, and preserving the heat for 1h;
(5) Cooling the temperature of the reaction kettle to 40+/-2 ℃, adding 27-39 parts of triethylamine, stirring for 30min, adding 0.3-1 part of organosilicon defoamer, 0.5-1.8 parts of alcohol alkoxy chemical wetting agent, 0.05-0.3 part of vinyl-terminated organosilicon, 18-30 parts of 2-hydroxy-2-methyl propiophenone photoinitiator and 15-27 parts of diphenyl (2, 4, 6-trimethyl benzoyl) phosphine oxide photoinitiator, stirring uniformly, and discharging.
Compared with the prior art, the application has the beneficial effects that: the water-based UV preprinting gloss oil can be mixed and dissolved with water and ethanol, is resistant to friction at 180 ℃ and free of scratch and decoloration, is difficult to adhere after being solidified and dried, can be quickly stacked and piled, is convenient for subsequent binding processing, and has good water resistance.
Description of the embodiments
The present application is further described below in conjunction with the examples in order to facilitate an understanding of the above objects, features of the arrangement and advantageous effects by those skilled in the art.
Example 1
The preparation method of the water-based UV preprinting gloss oil comprises the following steps:
(1) Heating the reaction kettle to 61+/-2 ℃, adding 135 parts of polycarbonate diol, 25 parts of dimethylol butyric acid and 10 parts of 1, 4-cyclohexanedimethanol into the reaction kettle, and uniformly stirring;
(2) After the dimethylolbutyric acid is fully dissolved and dispersed in the polycarbonate diol, 156 parts of hydrogenated phenyl methane diisocyanate is added into a reaction kettle, and the mixture is stirred for 10min, and then the temperature of the reaction kettle is raised to 73+/-2 ℃; reacting for 30min;
(3) Heating the reaction kettle to 93+/-2 ℃, adding 0.01 part of dibutyltin dilaurate, and reacting for 2 hours;
(4) Cooling the reaction kettle to 73+/-2 ℃, dropwise adding 39 parts of 4-hydroxybutyl acrylate dissolved with 0.01 part of 4-methoxyphenol, finishing dripping for 30min, and preserving heat for 1h;
(5) The temperature of the reaction kettle is raised to 40+/-2 ℃, 27 parts of triethylamine is added, after stirring for 30min, 0.3 part of organosilicon defoamer, 0.5 part of alcohol alkoxy chemical wetting agent, 0.05 part of vinyl-terminated organosilicon, 18 parts of 2-hydroxy-2-methyl propiophenone photoinitiator and 15 parts of diphenyl (2, 4, 6-trimethyl benzoyl) phosphine oxide photoinitiator are added, and after stirring uniformly, the materials are discharged.
Through application test: the aqueous UV preprinting gloss oil is free from decolorization by friction at 180 ℃, is free from adhesion after being accumulated after being solidified and dried, and is free from deformation of patterns of water drops on the UV preprinting coating.
Example 2
The preparation method of the water-based UV preprinting gloss oil comprises the following steps:
(1) Heating the reaction kettle to 61+/-2 ℃, adding 161 parts of polycarbonate diol, 31 parts of dimethylol butyric acid and 32 parts of 1, 4-cyclohexanedimethanol into the reaction kettle, and uniformly stirring;
(2) After the dihydroxymethyl butyric acid is fully dissolved and dispersed in the polycarbonate diol, 195 parts of hydrogenated phenyl methane diisocyanate is added into a reaction kettle, and the mixture is stirred for 10min, and then the temperature of the reaction kettle is raised to 73+/-2 ℃; reacting for 30min;
(3) Heating the reaction kettle to 93+/-2 ℃, adding 0.05 part of dibutyltin dilaurate, and reacting for 2 hours;
(4) Cooling the reaction kettle to 73+/-2 ℃, dropwise adding 53 parts of 4-hydroxybutyl acrylate dissolved with 0.02 part of 4-methoxyphenol, finishing dripping for 30min, and preserving heat for 1h;
(5) The temperature of the reaction kettle is raised to 40+/-2 ℃, 33 parts of triethylamine is added, after stirring for 30min, 0.7 part of organosilicon defoamer, 0.9 part of alcohol alkoxy chemical wetting agent, 0.1 part of vinyl-terminated organosilicon, 23 parts of 2-hydroxy-2-methyl propiophenone photoinitiator and 21 parts of diphenyl (2, 4, 6-trimethyl benzoyl) phosphine oxide photoinitiator are added, and after stirring uniformly, the materials are discharged.
Through application test: the aqueous UV preprinting gloss oil is rubbed at 180 ℃ without scratch for decoloration, is accumulated without adhesion after solidification and drying, and the patterns of water drops on the UV preprinting coating are not deformed.
Example 3
The preparation method of the water-based UV preprinting gloss oil comprises the following steps:
(1) Heating the reaction kettle to 61+/-2 ℃, adding 193 parts of polycarbonate diol, 36 parts of dimethylol butyric acid and 40 parts of 1, 4-cyclohexanedimethanol into the reaction kettle, and uniformly stirring;
(2) After the dihydroxymethyl butyric acid is fully dissolved and dispersed in the polycarbonate diol, 215 parts of hydrogenated phenyl methane diisocyanate is added into a reaction kettle, and the mixture is stirred for 10min, and then the temperature of the reaction kettle is raised to 73+/-2 ℃; reacting for 30min;
(3) Heating the reaction kettle to 93+/-2 ℃, adding 0.2 part of dibutyltin dilaurate, and reacting for 2 hours;
(4) Cooling the reaction kettle to 73+/-2 ℃, dropwise adding 63 parts of 4-hydroxybutyl acrylate dissolved with 0.03 part of 4-methoxyphenol, finishing dripping for 30min, and preserving heat for 1h;
(5) The temperature of the reaction kettle is raised to 40+/-2 ℃, 39 parts of triethylamine is added, after stirring for 30min, 0.8 part of organosilicon defoamer, 1.8 parts of alcohol alkoxy chemical wetting agent, 0.3 part of vinyl-terminated organosilicon, 30 parts of 2-hydroxy-2-methyl propiophenone photoinitiator and 27 parts of diphenyl (2, 4, 6-trimethyl benzoyl) phosphine oxide photoinitiator are added, and after stirring uniformly, the materials are discharged.
Through application test: the aqueous UV preprinting gloss oil is rubbed at 180 ℃ without scratch for decoloration, is accumulated without adhesion after solidification and drying, and the patterns of water drops on the UV preprinting coating are not deformed.
The above specific examples are further illustrative of the technical solution and the advantageous effects of the present application, and are not limiting to the embodiments.

Claims (4)

1. The water-based UV preprinting gloss oil is characterized by comprising the following raw materials in parts by mass: 135-193 parts of polycarbonate diol, 21-65 parts of polytetrahydrofuran ester diol, 25-36 parts of dimethylol butyric acid, 10-40 parts of 1, 4-cyclohexanedimethanol, 156-215 parts of hydrogenated phenylmethane diisocyanate, 0.01-0.2 part of dibutyltin dilaurate, 0.01-0.03 part of 4-methoxyphenol, 39-63 parts of 4-hydroxybutyl acrylate, 27-39 parts of triethylamine, 0.3-1 part of organosilicon defoamer, 0.5-1.8 parts of alcohol alkoxy chemical wetting agent, 0.05-0.3 part of vinyl-terminated organosilicon, 18-30 parts of 2-hydroxy-2-methylbenzophenone photoinitiator and 15-27 parts of diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide photoinitiator.
2. The aqueous UV preprinting oil according to claim 1, wherein the polycarbonate diol has a molecular weight of 1000.
3. The aqueous UV preprinting oil according to claim 1, wherein the tetrahydrofurane diol has a molecular weight of 500.
4. The aqueous UV preprinting oil of claim 1, which is prepared by the steps of:
(1) Heating the reaction kettle to 61+/-2 ℃, adding 135-193 parts of polycarbonate dihydric alcohol, 25-36 parts of dimethylol butyric acid and 10-40 parts of 1, 4-cyclohexanedimethanol into the reaction kettle, and uniformly stirring;
(2) After the dihydroxymethyl butyric acid is fully dissolved and dispersed in the polycarbonate diol, 156-215 parts of hydrogenated phenyl methane diisocyanate is added into a reaction kettle, and the mixture is stirred for 10min, and then the temperature of the reaction kettle is raised to 73+/-2 ℃; reacting for 30min;
(3) Heating the reaction kettle to 93+/-2 ℃, adding 0.01-0.2 part of dibutyltin dilaurate, and reacting for 2 hours;
(4) Dropwise adding 39-63 parts of 4-hydroxybutyl acrylate dissolved with 0.01-0.03 parts of 4-methoxyphenol to the reaction kettle at 73+/-2 ℃ for 30min, and preserving the heat for 1h;
(5) The temperature of the reaction kettle is raised to 40+/-2 ℃, 27-39 parts of triethylamine is added, after stirring for 30min, 0.3-1 part of organosilicon defoamer, 0.5-1.8 parts of alcohol alkoxy chemical wetting agent, 0.05-0.3 part of vinyl-terminated organosilicon, 18-30 parts of 2-hydroxy-2-methyl propiophenone photoinitiator and 15-27 parts of diphenyl (2, 4, 6-trimethyl benzoyl) phosphine oxide photoinitiator are added, and after fully stirring uniformly, the materials are discharged.
CN202311352343.XA 2023-10-19 2023-10-19 Water-based UV preprinting gloss oil Pending CN117210119A (en)

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