Water-based hydroxyl acrylic emulsion as well as preparation method and application thereof
A hydroxyacrylic acid and water-based technology, which is applied in the field of water-based hydroxyacrylic acid emulsion and its preparation, can solve the problems of inability to meet the needs of inks, poor chemical resistance and water resistance of water-based inks, and achieve chemical resistance and scratch resistance Excellent, high hardness, excellent chemical resistance effect
Pending Publication Date: 2021-04-27
广东嘉宝莉科技材料有限公司
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Problems solved by technology
However, the above-mentioned water-based inks have poor chemical resistance and water resistance indicators, which cannot meet the demand for inks in the furniture and home appliance glass markets.
Method used
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[0056] The present invention will be further described below in conjunction with specific examples. It should be noted that the examples do not constitute a limitation to the protection scope of the present invention.
[0057] A kind of water-based hydroxyacrylic acid emulsion of the embodiment of the present invention is shown in the following table:
[0058]
[0059] Preferably, the preparation method of described aqueous hydroxyacrylic acid emulsion, the steps that it comprises are as follows:
[0060] Phase 1: Seed Emulsion
[0061] Add 1 / 3 of A initiator, 1 / 3 of B emulsifier, 1 / 3C nonionic emulsifier, 25% of water and all of NaHCO to the reactor 3 , turn on the agitator, adjust the speed to 180rpm, mix all the nuclear monomers, take 15% of the nuclear monomer mixture as the seed monomer, add the time for 18 minutes, control the temperature at 82 ° C, when 15% of the nuclear monomer drops After the addition is complete, keep warm for 10 minutes before entering the nex...
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The invention discloses a water-based hydroxyl acrylic emulsion as well as a preparation method and application thereof. The water-based hydroxyl acrylic emulsion is prepared from an initiator, an anionic emulsifier, a nonionic emulsifier, deionized water, NaHCO3, a preservative, a neutralizer, a core monomer and a shell monomer. The prepared water-based hydroxyl acrylic emulsion is matched with a water-based polyurethane curing agent to be applied to water-based double-component silk-screen / roller-coating glass printing ink, a coating formed from the ink on electric heating table glass, furniture glass and small household appliance glass has the advantages of low VOC (volatile organic compound), low cost, large construction painting amount, good adhesive force, high hardness (pencil hardness is at least H), water resistance, chemical resistance and excellent scratch resistance, and the ink can replace solvent type ink for glass.
Description
technical field [0001] The invention relates to the technical field of water-based hydroxyacrylic acid emulsion, in particular to a water-based hydroxyacrylic acid emulsion and its preparation method and application. Background technique [0002] Most of the decorative patterns of existing large-scale home appliances and furniture glass use solvent-based resin inks, which are produced in-line by screen printing or roller coating, but the inks need to be baked at 180°C after screen printing After 5-6 minutes, when the glass reaches the roller coater, there is still a residual temperature of 60-70°C, which causes the coating roller of the roller coater to be heated, and a large amount of solvent volatilizes in the operation room, seriously affecting the lives and health of production workers. Therefore, it is necessary to find a new environmentally friendly emulsion for the preparation of screen / roller glass inks, which has low VOC, low cost, good adhesion, and high hardness (...
Claims
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Login to View More IPC IPC(8): C08F265/06C08F220/14C08F220/06C08F220/18C08F220/20C08F230/08C08F2/26C08F2/30C09D11/102C09D11/03C09D11/107
CPCC08F265/06C08F2/26C08F2/30C09D11/102C09D11/03C09D11/107C08F220/14C08F220/06C08F220/1804C08F220/20C08F230/085
Inventor 陈均炽
Owner 广东嘉宝莉科技材料有限公司