CN111379191A - Primer coating for water-based silver cardboard and preparation method thereof - Google Patents
Primer coating for water-based silver cardboard and preparation method thereof Download PDFInfo
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- CN111379191A CN111379191A CN201811627675.3A CN201811627675A CN111379191A CN 111379191 A CN111379191 A CN 111379191A CN 201811627675 A CN201811627675 A CN 201811627675A CN 111379191 A CN111379191 A CN 111379191A
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- water
- polyester resin
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Classifications
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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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/28—Polyesters
-
- 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
- D21H19/18—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising waxes
-
- 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
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/32—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming a linkage containing silicon in the main chain of the macromolecule
Abstract
The invention relates to a water-based silver paperboard prime coat paint and a preparation method thereof, wherein the prime coat paint is prepared by the following steps: (1) pre-dispersing ingredients: adding the water-based polyester resin into a high-speed stirring solvent, adding an auxiliary agent after the water-based polyester resin is dissolved, and uniformly stirring to obtain a water-based primer semi-finished product; (2) adjusting the base coating: and (2) putting the water-based primer semi-finished product prepared in the step (1) into a dispersion machine, and adjusting the viscosity to be a Chaihe 4# cup by adopting a solvent under the stirring condition for 15 +/-2 seconds to obtain a target product. Compared with the prior art, the invention has the advantages of low price, good stability, good appearance performance and the like.
Description
Technical Field
The invention belongs to the technical field of printing base coat, and relates to a base coat paint for a water-based silver paperboard and a preparation method thereof.
Background
In recent years, along with the rapid development of the printing industry, the use of gold and silver cardboard in the printing industry is more and more common. The silver card paper is made by coating a layer of UV oil on the surface of paper by using a UV transfer printing technology through a rubber blanket, and transferring a light column film or a special pattern to the printed paper through a roller, so that the surface of the paper generates a light column with the effect of laser paper. It is widely used in cigarette case, wine box, cosmetics, pharmaceuticals, etc. Belongs to a new anti-counterfeiting technology in the current industry.
Because the surface of the silver cardboard is specially treated, compared with white cardboard, the wetting property and the adhesive force of the printing ink and the printing surface are slightly poor. To improve this phenomenon, a coating is usually applied on the surface of the silver card paper to increase the bonding force between the ink and the card paper.
The traditional primer coating is a solvent-based product, uses a large amount of volatile organic solvent, easily generates a large amount of Volatile Organic Compounds (VOC), pollutes the environment and damages the health of process personnel; meanwhile, the organic solvent is volatile, so that production accidents are caused when the organic solvent is dried at high temperature; the common multi-component system needs to be mixed in advance before being used, the operation process is complicated, and the multi-component system needs to be used up at one time.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the primer coating for the water-based silver cardboard and the preparation method thereof.
The purpose of the invention can be realized by the following technical scheme:
one of the purposes of the invention is to provide a primer coating for a water-based silver paperboard, which comprises the following raw material components in parts by weight: 40-70 parts of water-based polyester resin, 10-30 parts of solvent and 5-10 parts of auxiliary agent.
Further, the base coating comprises the following raw material components in parts by weight: 50-70 parts of water-based polyester resin, 15-30 parts of solvent and 6-8 parts of auxiliary agent.
Further, the water-based polyester resin is water-based saturated polyester resin.
Further, the solvent is a mixed solvent of deionized water and ethanol.
Further, the auxiliary agent comprises wax emulsion, silicone oil, wetting agent and defoaming agent.
The invention also aims to provide a preparation method of the primer coating for the water-based silver cardboard, which comprises the following steps:
(1) pre-dispersing ingredients: adding the water-based polyester resin into a high-speed stirring solvent, adding an auxiliary agent after the water-based polyester resin is dissolved, and uniformly stirring to obtain a water-based primer semi-finished product;
(2) adjusting the base coating: and (2) putting the water-based primer semi-finished product prepared in the step (1) into a dispersion machine, and adjusting the viscosity to be a Chaihe 4# cup by adopting a solvent under the stirring condition for 15 +/-2 seconds to obtain a target product.
Further, in the step (1), before the water-based polyester resin is added into the solvent, the water-based polyester resin is dissolved in hot water at 70-85 ℃ and the solid content is ensured to be 30-50%.
Further, in the step (1), the rotation speed of the water-based polyester resin in the solvent is 300-800 r/min, the rotation speed after the addition of the auxiliary agent is 500-800 r/min, and the stirring time is 25-30 min.
Further, in the step (2), the rotation speed of stirring and adjusting the viscosity is not higher than 500 revolutions per minute, the temperature is 20-30 ℃, and the stirring time is 30 minutes.
Compared with the prior art, the invention selects the water-based polyester resin as the raw material, deionized water as the solvent, and wax emulsion, silicone oil, wetting agent and defoaming agent as the auxiliary agents. The content of Volatile Organic Compounds (VOC) is low, the environment is protected, and the manufacturing and using processes are safe; the solvent is mixed solution of ethanol and deionized water, so that the product has high drying speed and high adhesion, and is beneficial to large-scale production.
The invention limits the proportion of resin, solvent and auxiliary agent, and can effectively control the viscosity and performance of the base coat. Especially, the auxiliary agent has high possibility of causing the structure of each component of the produced base coat to be damaged and cannot be normally used;
meanwhile, the invention stipulates the feeding sequence, and the disordered feeding sequence can cause that all components of the base coat can not be fully mixed, thereby seriously influencing the quality of the base coat.
Detailed Description
The present invention will be described in detail with reference to specific examples. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following examples, unless otherwise specified, all materials or processes used are commercially available products or conventional process techniques, which are conventional in the art.
Example 1
A water-based priming paint suitable for silver paperboard comprises the following components in parts by weight: 62 parts of waterborne polyester resin, 30 parts of solvent and 8 parts of auxiliary agent; wherein the waterborne polyester resin is waterborne saturated polyester resin, the solvent is a mixed solvent of deionized water and ethanol, and the mass ratio of the deionized water to the ethanol is 1/1; the formula of the auxiliary agent is as follows: 6 parts of wax emulsion, 0.8 part of silicone oil, 1 part of wetting agent and 0.2 part of defoaming agent.
The preparation method comprises the following steps:
(1): pre-dispersing ingredients: 62 parts of water-based saturated polyester resin is put into a mixed solvent of deionized water and ethanol which are stirred at a high speed, the rotating speed is 500 r/min, various auxiliary agents are gradually added after the water-based saturated polyester resin is completely dissolved, the stirring is uniform, the stirring speed is 300 r/min, and the stirring time is 25 min. Thus obtaining the semi-finished product.
(2): adjusting the base coat: the semi-finished product is put into a dispersion machine, the viscosity is adjusted to 15 +/-2 seconds in a Chaishi 4# cup by using a solvent, and the rotating speed is 500 r/min. The temperature is 20-30 ℃, and the stirring time is 30 minutes, thus obtaining the finished product of the water-based base coat.
The primer prepared in the embodiment has good stability, and has no obvious cracking and shedding phenomenon within the temperature range of 0-120 ℃; the adhesion on the primary-coated silver cardboard is tested by using a 3M adhesive tape, and the shedding phenomenon is avoided.
Example 2
A water-based priming paint suitable for silver paperboard comprises the following components in parts by weight: 70 parts of water-based polyester resin, 22 parts of solvent and 8 parts of auxiliary agent; wherein the waterborne polyester resin is waterborne saturated polyester resin, the solvent is a mixed solvent of deionized water and ethanol, and the mass ratio of the deionized water to the ethanol is 1/1; 6 parts of wax emulsion in the auxiliary agent, 0.5 part of silicone oil, 1 part of wetting agent and 0.5 part of defoaming agent.
The preparation method comprises the following steps:
(1): pre-dispersing ingredients: and (3) putting 70 parts of water-based saturated polyester resin into a high-speed stirring mixed solvent of deionized water and ethanol at the rotating speed of 600 revolutions per minute, gradually adding various auxiliaries after complete dissolution, and uniformly stirring at the stirring speed of 300 revolutions per minute for 30 minutes to obtain a semi-finished product.
(2): adjusting the base coat: and putting the semi-finished product into a dispersion machine, adjusting the viscosity to 15 +/-2 seconds in a Chaihe 4# cup by using a solvent, controlling the rotating speed to be 500 r/min, controlling the temperature to be 20-30 ℃, and stirring for 30 minutes to obtain the finished water-based base coat.
Example 3
A water-based priming paint suitable for silver paperboard comprises the following components in parts by weight: 70 parts of water-based polyester resin, 22 parts of solvent and 8 parts of auxiliary agent; wherein the waterborne polyester resin is waterborne saturated polyester resin, the solvent is a mixed solvent of deionized water and ethanol, and the mass ratio of the deionized water to the ethanol is 1/4; 6 parts of wax emulsion in the auxiliary agent, 0.5 part of silicone oil, 1 part of wetting agent and 0.5 part of defoaming agent.
The preparation method comprises the following steps:
(1): pre-dispersing ingredients: and (3) putting 70 parts of water-based saturated polyester resin into a high-speed stirring mixed solvent of deionized water and ethanol at the rotating speed of 600 revolutions per minute, gradually adding various auxiliaries after complete dissolution, and uniformly stirring at the stirring speed of 300 revolutions per minute for 30 minutes to obtain a semi-finished product.
(2): adjusting the base coat: and putting the semi-finished product into a dispersion machine, adjusting the viscosity to 15 +/-2 seconds in a Chaihe 4# cup by using a solvent, controlling the rotating speed to be 500 r/min, controlling the temperature to be 20-30 ℃, and stirring for 30 minutes to obtain the finished water-based base coat.
Example 4
A water-based priming paint suitable for silver paperboard comprises the following components in parts by weight: 40 parts of waterborne polyester resin, 10 parts of solvent and 5 parts of auxiliary agent; wherein the waterborne polyester resin is waterborne saturated polyester resin, the solvent is a mixed solvent of deionized water and ethanol, and the mass ratio of the deionized water to the ethanol is 1/4; 3.5 parts of wax emulsion in the auxiliary agent, 0.5 part of silicone oil, 0.5 part of wetting agent and 0.5 part of defoaming agent.
The preparation method comprises the following steps:
(1): pre-dispersing ingredients: and (2) putting the water-based saturated polyester resin into a high-speed stirring mixed solvent of deionized water and ethanol at the rotating speed of 300 r/min, gradually adding various auxiliaries after complete dissolution, and uniformly stirring at the stirring speed of 500 r/min for 30 min to obtain a semi-finished product.
(2): adjusting the base coat: and (3) putting the semi-finished product into a dispersion machine, adjusting the viscosity to 15 +/-2 seconds in a Chaihe 4# cup by using a solvent, controlling the rotating speed to be 400 r/min, controlling the temperature to be 30 ℃, and stirring for 30 minutes to obtain the water-based base coat finished product.
Example 5
A water-based priming paint suitable for silver paperboard comprises the following components in parts by weight: 70 parts of water-based polyester resin, 30 parts of solvent and 10 parts of auxiliary agent; wherein the waterborne polyester resin is waterborne saturated polyester resin, the solvent is a mixed solvent of deionized water and ethanol, and the mass ratio of the deionized water to the ethanol is 1/4; 7 parts of wax emulsion in the auxiliary agent, 1 part of silicone oil, 1 part of wetting agent and 1 part of defoaming agent.
The preparation method comprises the following steps:
(1): pre-dispersing ingredients: and (2) putting the water-based saturated polyester resin into a high-speed stirring mixed solvent of deionized water and ethanol at the rotating speed of 800 r/min, gradually adding various auxiliaries after complete dissolution, and uniformly stirring at the stirring speed of 800 r/min for 25 min to obtain a semi-finished product.
(2): adjusting the base coat: and putting the semi-finished product into a dispersion machine, adjusting the viscosity to 15 +/-2 seconds in a Chaihe 4# cup by using a solvent, controlling the rotating speed to be 500 r/min, controlling the temperature to be 20 ℃, and stirring for 30 minutes to obtain the water-based base coat finished product.
Example 6
A water-based priming paint suitable for silver paperboard comprises the following components in parts by weight: 50 parts of water-based polyester resin, 15 parts of solvent and 7 parts of auxiliary agent; wherein the waterborne polyester resin is waterborne saturated polyester resin, the solvent is a mixed solvent of deionized water and ethanol, and the mass ratio of the deionized water to the ethanol is 1/4; 5 parts of wax emulsion in the auxiliary agent, 0.5 part of silicone oil, 1 part of wetting agent and 0.5 part of defoaming agent.
The preparation method comprises the following steps:
(1): pre-dispersing ingredients: and (2) putting the water-based saturated polyester resin into a high-speed stirring mixed solvent of deionized water and ethanol at the rotating speed of 400 r/min, gradually adding various auxiliaries after complete dissolution, and uniformly stirring at the stirring speed of 600 r/min for 28 min to obtain a semi-finished product.
(2): adjusting the base coat: and putting the semi-finished product into a dispersion machine, adjusting the viscosity to 15 +/-2 seconds in a Chaihe 4# cup by using a solvent, controlling the rotating speed to be 500 r/min, controlling the temperature to be 25 ℃, and stirring for 30 minutes to obtain the water-based base coat finished product.
Example 7
A water-based priming paint suitable for silver paperboard comprises the following components in parts by weight: 60 parts of water-based polyester resin, 20 parts of solvent and 7 parts of auxiliary agent; wherein the waterborne polyester resin is waterborne saturated polyester resin, the solvent is a mixed solvent of deionized water and ethanol, and the mass ratio of the deionized water to the ethanol is 1/4; 5 parts of wax emulsion in the auxiliary agent, 0.5 part of silicone oil, 1 part of wetting agent and 0.5 part of defoaming agent.
The preparation method comprises the following steps:
(1): pre-dispersing ingredients: and (2) putting the water-based saturated polyester resin into a high-speed stirring mixed solvent of deionized water and ethanol at the rotating speed of 500 r/min, gradually adding various auxiliaries after complete dissolution, and uniformly stirring at the stirring speed of 700 r/min for 27 min to obtain a semi-finished product.
(2): adjusting the base coat: and putting the semi-finished product into a dispersion machine, adjusting the viscosity to 15 +/-2 seconds in a Chaihe 4# cup by using a solvent, controlling the rotating speed to be 500 r/min, controlling the temperature to be 26 ℃, and stirring for 30 minutes to obtain the water-based base coat finished product.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (9)
1. The base coating for the water-based silver cardboard is characterized by comprising the following raw material components in parts by weight: 40-70 parts of water-based polyester resin, 10-30 parts of solvent and 5-10 parts of auxiliary agent.
2. The base coating for the water-based silver cardboard as claimed in claim 1, which is characterized by comprising the following raw material components in parts by weight: 50-70 parts of water-based polyester resin, 15-30 parts of solvent and 6-8 parts of auxiliary agent.
3. The undercoat paint for water-based silver cardboard according to claim 1, wherein the water-based polyester resin is a water-based saturated polyester resin.
4. The undercoat paint for the water-based silver cardboard as claimed in claim 1, wherein the solvent is a mixed solvent of deionized water and ethanol.
5. The undercoat paint for water-based silver cardboard according to claim 1, wherein the auxiliary agent comprises wax emulsion, silicone oil, wetting agent and defoaming agent.
6. The process for preparing the undercoat paint for water-based silver cardboard according to any one of claims 1 to 5, comprising the steps of:
(1) pre-dispersing ingredients: adding the water-based polyester resin into a high-speed stirring solvent, adding an auxiliary agent after the water-based polyester resin is dissolved, and uniformly stirring to obtain a water-based primer semi-finished product;
(2) adjusting the base coating: and (2) putting the water-based primer semi-finished product prepared in the step (1) into a dispersion machine, and adjusting the viscosity to be a Chaihe 4# cup by adopting a solvent under the stirring condition for 15 +/-2 seconds to obtain a target product.
7. The preparation method of the primary coating for the water-based silver cardboard as claimed in claim 6, wherein in the step (1), the water-based polyester resin is dissolved in hot water at 70-85 ℃ before being added into the solvent, and the solid content is ensured to be 30-50%.
8. The method for preparing the undercoat paint for the water-based silver cardboard as claimed in claim 6, wherein in the step (1), the rotation speed of the water-based polyester resin when dissolved in the solvent is 800 rpm 300, the rotation speed of the water-based polyester resin after the addition of the auxiliary agent is 800 rpm 500, and the stirring time is 25-30 minutes.
9. The method for preparing the undercoat paint for the water-based silver cardboard according to claim 6, wherein in the step (2), the rotation speed of stirring to adjust the viscosity is not higher than 500 rpm, the temperature is 20-30 ℃, and the stirring time is 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627675.3A CN111379191A (en) | 2018-12-28 | 2018-12-28 | Primer coating for water-based silver cardboard and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627675.3A CN111379191A (en) | 2018-12-28 | 2018-12-28 | Primer coating for water-based silver cardboard and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111379191A true CN111379191A (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811627675.3A Pending CN111379191A (en) | 2018-12-28 | 2018-12-28 | Primer coating for water-based silver cardboard and preparation method thereof |
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| 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 |
| CN105969028A (en) * | 2016-07-28 | 2016-09-28 | 上海杰易森股份有限公司 | High temperature resistance waterborne gloss oil and preparation method thereof |
| CN106700723A (en) * | 2016-11-18 | 2017-05-24 | 惠州市至上新材料有限公司 | Gravure environment-friendly water-based gold-sand printing ink as well as preparation method and application of gravure environment-friendly water-based gold-sand printing ink |
| CN108997899A (en) * | 2018-05-17 | 2018-12-14 | 天津宝兴威科技股份有限公司 | A kind of aqueous PET bottom-coating and preparation method thereof |
-
2018
- 2018-12-28 CN CN201811627675.3A patent/CN111379191A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409046A (en) * | 2013-08-20 | 2013-11-27 | 广东新供销天保再生资源发展有限公司 | Water-based PET (polyethylene terephthalate) undercoat paint, and preparation method and application thereof |
| 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 |
| CN105969028A (en) * | 2016-07-28 | 2016-09-28 | 上海杰易森股份有限公司 | High temperature resistance waterborne gloss oil and preparation method thereof |
| CN106700723A (en) * | 2016-11-18 | 2017-05-24 | 惠州市至上新材料有限公司 | Gravure environment-friendly water-based gold-sand printing ink as well as preparation method and application of gravure environment-friendly water-based gold-sand printing ink |
| CN108997899A (en) * | 2018-05-17 | 2018-12-14 | 天津宝兴威科技股份有限公司 | A kind of aqueous PET bottom-coating and preparation method thereof |
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Application publication date: 20200707 |