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Transfer paint producing no regenerated benzene after UV (ultraviolet) printing and preparation method thereof

A technology for transferring coatings and water-based polymers, which is applied in cellulose coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of unfriendly organic solvent emissions, achieve environmental protection advantages, good molding effect, and wide molding temperature range Effect

Inactive Publication Date: 2015-04-08
湖北绿新环保包装科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is an urgent need to develop environmentally friendly moldable transfer coatings that can adapt to UV printing. At the same time, it is necessary to solve the problem of a large amount of organic solvent emissions in the production process of existing solvent-based transfer coatings, which is not environmentally friendly.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Get the raw materials ready according to the following components and content (parts by weight):

[0036] components Weight (kg) Waterborne Acrylic Emulsion 27 Water-based cellulose emulsion (W-CAB) 12 ethanol 20 Deionized water 40 ammonia 0.6 Modified silicone leveling agent 0.3 Modified silicone defoamer 0.05 Modified silicone anti-sticking agent 0.05

[0037] The glass transition temperature Tg value of the water-based acrylic resin emulsion is 80°C, and the molecular weight is 60,000;

[0038] The glass transition temperature Tg value of water-based cellulose emulsion (W-CAB) is 120°C and the molecular weight is 160,000.

[0039] According to the above ratio, put the water-based polymer resin and water-based cellulose into the reaction kettle, and stir at a low speed of 300 rpm; Stir at 500 rpm for 5 minutes; add a pH regulator to the reactor to keep the pH of the system at 8.5; add leveling agents to t...

Embodiment 2

[0042] Get the raw materials ready according to the following components and content (parts by weight):

[0043] components Weight (kg) Aqueous Polyurethane Dispersion 35 Water-based cellulose emulsion (W-CAB) 8 Isopropanol 18 Deionized water 37 Triethanolamine 1.6 Modified silicone leveling agent 0.2 Modified polysiloxane defoamer 0.1 Modified silicone anti-sticking agent 0.1

[0044] The glass transition temperature Tg value of the polyurethane aqueous dispersion is 120°C, and the molecular weight is 300,000;

[0045] The glass transition temperature Tg value of water-based cellulose emulsion (W-CAB) is 110°C and the molecular weight is 100,000.

[0046] According to the above ratio, put the water-based polymer resin and water-based cellulose into the reaction kettle, and stir at a low speed of 500 rpm; Stir at 300 rpm for 10 minutes; add a pH regulator to the reactor to keep the pH of the system at 7.5; add lev...

Embodiment 3

[0049] Get the raw materials ready according to the following components and content (parts by weight):

[0050] components Weight (kg) Acrylic modified polyurethane emulsion 35 Water-based cellulose emulsion (W-CAB) 12 Propylene Glycol Ether 20 Deionized water 30 2-Amino-2-methyl-1-propanol 2.5 Modified silicone leveling agent 0.3 Modified polysiloxane defoamer 0.1 Modified silicone anti-sticking agent 0.1

[0051] The glass transition temperature Tg value of the acrylic modified polyurethane emulsion is 80°C and the molecular weight is 200,000;

[0052] The water-based cellulose emulsion (W-CAB) has a glass transition temperature Tg of 90°C and a molecular weight of 200,000.

[0053]According to the above ratio, put the water-based polymer resin and water-based cellulose into the reaction kettle, and stir at a low speed of 400 rpm; Stir at 400 rpm for 6 minutes; add a pH adjuster to the reactor to keep the pH of...

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Abstract

The invention discloses transfer paint producing no regenerated benzene after UV (ultraviolet) printing, which comprises the following components in parts by weight: 25-35 parts of water-based polymer resin, 8-12 parts of water-based cellulose, 10-20 parts of cosolvent, 30-40 parts of deionized water, 0.1-3 parts of pH regulator, 0.2-0.3 part of leveling agent, 0.05-0.1 part of defoaming agent and 0.05-0.1 part of releasing agent. The transfer paint prepared according to the above formula overcomes defects in the prior art, thus providing the safe, non-toxic and low-cost transfer paint producing no regenerated benzene after UV printing; and the transfer paint can be directly used instead of the existing solvent type laser transfer paint.

Description

technical field [0001] The invention relates to a transfer coating without regenerated benzene after UV printing and a preparation method thereof. Background technique [0002] At present, the European Union, the United States, Japan and other countries and regions have formulated laws and standards on the hygiene and safety of films, paper, and printing inks on food contact materials, toys and other products. In our country, laws and standards on hygiene and safety of food packaging are gradually promulgated. As far as tobacco packaging paper is concerned, the State Tobacco Monopoly Administration has issued an industry standard "YC / T 207-2006 Volatile Organic Compounds in Cigarette Rod and Packing Paper". Determination of Headspace-Gas Chromatography" and "YC263-2008 Limits of Volatile Organic Compounds in Cigarette Rods and Packing Paper", these two industry standards, for benzene, toluene, ethylbenzene, xylene, ethanol in packaging materials , isopropanol, n-butanol, ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/04C09D175/14C09D101/02C09D7/00C09D7/12
CPCC09D133/00C08L2205/025C08L2205/035C09D7/20C09D7/65C09D175/04C09D175/14C08L1/02C08L83/04C08L75/04
Inventor 向松林丁九斤
Owner 湖北绿新环保包装科技有限公司
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