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A special water-based ink for soft pvc printing

A water-based ink and water-based technology, applied in the direction of ink, applications, household appliances, etc., can solve the problems of hydrophobicity, thermal and mechanical reduction, poor performance of water-based PU coating, and easy moisture absorption of the coating, so as to improve thermal performance, Adhesion Solvent resistance, adhesion enhancement effect

Active Publication Date: 2021-03-30
福建格林春天新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is precisely because of the introduction of hydrophilic groups that the performance of water-based PU coatings is worse than that of traditional PUs. For example, the coatings are easy to absorb moisture, and the hydrophobicity, thermal and mechanical properties are reduced.

Method used

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  • A special water-based ink for soft pvc printing
  • A special water-based ink for soft pvc printing
  • A special water-based ink for soft pvc printing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The raw materials and reagents described in this case mainly include: polybutylene adipate from Qingdao Yutian Chemical Co., Ltd.; isophorone diisocyanate from Wuxi Dongrun Electronic Materials Technology Co., Ltd.; water-based graphene slurry from Hongnaxin Material Technology Co., Ltd.; the pigment is 2542 red slurry from Shanghai Coking Co., Ltd., with an average fineness of 0.5-0.8 μm; the water-based wetting agent is Tego Flow425 polyether siloxane copolymer, with an effective content of 100% and a viscosity of about 100mPa· s; The water-based defoamer is a mixture of Tego Foamex K8 aliphatic mineral oil; the water-based pH neutralizer is a water-soluble amino alcohol mixture with an active content of 90% from the Netherlands Aide Chemical, model Codis95.

[0036] In addition, the water-based quick-drying agent is a product of Fujian Green Spring New Material Co., Ltd., model GS-A006, which is a high molecular weight zinc oxide white emulsion. Then add 75g of zinc ...

Embodiment 2

[0048] The raw materials and reagents described in this case mainly include: polybutylene adipate from Qingdao Yutian Chemical Co., Ltd.; isophorone diisocyanate from Wuxi Dongrun Electronic Materials Technology Co., Ltd.; water-based graphene slurry from Hongnaxin Material Technology Co., Ltd.; the pigment is Pantone Yellow yellow slurry from Shanghai Coking Co., Ltd., with an average fineness of 0.5-0.8 μm; the water-based wetting agent is Tego Flow425 polyether siloxane copolymer, with an effective content of 100% and a viscosity of about 100mPa ·s; The water-based defoamer is a mixture of Tego Foamex K8 aliphatic mineral oil; the water-based pH neutralizer is a water-soluble amino alcohol mixture with an active content of 90% from the Netherlands Aide Chemical, model Codis95.

[0049] In addition, the water-based quick-drying agent is a product of Fujian Green Spring New Material Co., Ltd., model GS-A006, which is a high molecular weight zinc oxide white emulsion. Then add...

Embodiment 3

[0060] The raw materials and reagents described in this case mainly include: polybutylene adipate from Qingdao Yutian Chemical Co., Ltd.; isophorone diisocyanate from Wuxi Dongrun Electronic Materials Technology Co., Ltd.; water-based graphene slurry from Hongnaxin Material Technology Co., Ltd.; the pigment is GR5315 blue slurry from Shanghai Coking Co., Ltd., with an average fineness of 0.5-0.8 μm; the water-based wetting agent is Tego Flow425 polyether siloxane copolymer, with an effective content of 100% and a viscosity of about 100mPa ·s; The water-based defoamer is a mixture of Tego Foamex K8 aliphatic mineral oil; the water-based pH neutralizer is a water-soluble amino alcohol mixture with an active content of 90% from the Netherlands Aide Chemical, model Codis95.

[0061] In addition, the water-based quick-drying agent is a product of Fujian Green Spring New Material Co., Ltd., model GS-A006, which is a high molecular weight zinc oxide white emulsion. Then add 75g of zi...

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Abstract

The invention discloses a preparation method of soft PVC layer special-purpose aqueous ink. A special-purpose aqueous ink mixture printed on a soft PVC layer contains an aqueous polyurethane (PU) emulsion, aqueous graphene slurry, a wetting agent, a defoamer, a neutralizing agent, an aqueous acrylic fast-drying agent, a leveling agent and aqueous color paste. The special-purpose aqueous ink utilizes water as a solvent and the PU emulsion as a connection material and contains graphene. The aqueous ink is environmentally friendly, prevents precipitation of a plasticizer dioctyl phthalate (DOP) in the soft PVC base in printing, further promotes improvement of thermal, mechanical and hydrophobic properties and effectively improves heat resistance, weatherability and stability of the ink. The patterns of the aqueous ink are vivid and beautiful and are elegant in appearance.

Description

technical field [0001] The invention relates to a water-based ink, in particular to a water-based ink specially used for printing on a soft PVC substrate. Background technique [0002] The hardness of the polymer material PVC made by replacing one hydrogen atom in polyethylene with a chlorine atom is relatively large. In order to obtain a soft PVC, a large amount of plasticizer phthalic acid is usually added during the synthesis process. Dioctyl ester (DOP). However, if the plasticizer is exposed to high temperature for a long time, it will be precipitated from PVC, so that the ink printed on the soft PVC material will dissolve, as if the ink is too late to volatilize completely, anti-sticking occurs during the film winding process. Phenomenon. [0003] In addition, the amount of organic solvents brought by inks in the world is as high as 1 million tons every year, and the pollution of inks has always been the most serious problem in the printing industry. The volatilizat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/102C09D11/033C09D11/03C08G18/75C08G18/66C08G18/42C08G18/10C08G18/34
CPCC08G18/10C08G18/4238C08G18/755C09D11/03C09D11/033C09D11/102C08G18/348
Inventor 林国良
Owner 福建格林春天新材料股份有限公司
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