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Finish paint for plastic

A topcoat and plastic technology, applied in the field of coatings, can solve the problems of long production cycle, labor-intensive, high energy consumption, etc., and achieve the effect of solving high energy consumption, saving electricity, and reducing consumption

Inactive Publication Date: 2014-07-16
KUSN WANSHENG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention solves the problems of high energy consumption, manpower consumption, long production cycle and serious pollution in the prior art

Method used

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  • Finish paint for plastic
  • Finish paint for plastic
  • Finish paint for plastic

Examples

Experimental program
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Effect test

preparation example Construction

[0094] The preparation method (each component is added in proportion in the following steps) of the plastic topcoat of the present invention is given below:

[0095] Step 1: Add aliphatic urethane acrylate, aromatic urethane acrylate, polymer copolymer containing pigment affinity groups, unsaturated polyamic acid homopolymer, silicone, and cellulose ester in sequence, then stir and mix at 800RPM 5 minutes;

[0096] Step 2. Add pearlescent powder, aluminum silver powder, a mixture of pigments and nano-scale fillers to the solution obtained in step 1, and stir evenly at 2000-3000 RPM;

[0097] Step 3. Add hydroxyl acrylic resin, styrene maleic anhydride modified vinyl acetate resin, multifunctional reactive diluent, difunctional reactive diluent and trifunctional reactive diluent to the solution obtained in step 2, and stir evenly at 800 RPM;

[0098] Step 4: Mix the cleavage-type photoinitiator and the acylphosphine oxide photoinitiator until it becomes clear and transparent, ...

Embodiment 1

[0101] Aliphatic urethane acrylate 5%;

[0102] Aromatic polyurethane acrylate 15%;

[0103] 1.5% polymer interpolymer with pigment affinity group;

[0104] Unsaturated polyamic acid homopolymer 0.3%;

[0105] Aralkyl modified silicone 0.2%;

[0106] Nitrocellulose ester 30%;

[0107] 5% mixture of pearlescent powder, aluminum silver powder and titanium dioxide;

[0108] Nanoscale silicon oxide filler 3%, wherein the particle size is 5nm;

[0109] Hydroxy acrylic resin 10%;

[0110] Styrene maleic anhydride modified vinyl acetate resin 8%;

[0111] Dipentaerythritol pentaacrylate 9%;

[0112] Dipropylene glycol diacrylate 4%;

[0113] Dipentaerythritol triacrylate 5%;

[0114] 1-Hydroxy-cyclohexylbenzophenone 3%;

[0115] 2,4,6-Trimethylbenzoyl-diphenylphosphine oxide 1%.

Embodiment 2

[0117] Aliphatic urethane acrylate 10%;

[0118] Aromatic polyurethane acrylate 10%;

[0119] Unsaturated polyamic acid homopolymer 0.1%;

[0120] Polyether modified silicone 0.1%;

[0121] Cellulose acetate butyrate 35%;

[0122] 2% mixture of pearl powder, aluminum silver powder and bright red;

[0123] Nanoscale zirconia filler 3%, particle size 10nm;

[0124] Hydroxy acrylic resin 13%;

[0125] Styrene maleic anhydride modified vinyl resin 7%;

[0126] Dipentaerythritol Pentaacrylate 10%;

[0127] Dipropylene glycol diacrylate 5%;

[0128] Dipentaerythritol triacrylate 3%;

[0129] 1-Hydroxy-cyclohexylbenzophenone 1%;

[0130] 2,4,6-Trimethylbenzoyl-diphenylphosphine oxide 0.8%.

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Abstract

The invention discloses a finish paint for plastics. The finish paint comprises the following components in percentage by weight: 5-10% of aliphatic polyurethane acrylate, 10-15% of aromatic polyurethane acrylate, 0-2% of high polymer containing paint affinity group, 0-0.3% of unsaturated polyamic acid homo-polymer, 0-0.2% of organic silicon, 10-35% of cellulose ester, 2-10% of mixture of pearl powder, aluminum silver powder and paint, 3-5% of nano filler, 10-20% of hydroxy acrylic resin, 5-10% of styrene maleic anhydride modified chloride resin vinegar, 5-10% of poly-functional-group reactive diluent, 2-5% of dual-functional-group reactive diluent, 3-5% of three-functional-group reactive diluent, 1-3% of crack-type photo-initiator, and 0.5-1% of acyl phosphine oxide photo-initiator. The curing time of the finish paint for plastics is only 3min to 4min, so a large amount of power is saved; and the finish consumption of each electric car is respectively reduced by 48% and 53%. With the adoption of the combination of the polyurethane acrylates and the hydroxy acrylic resin, the problem on adhesion among three layers of plastic substrate, finish paint and priming paint is solved.

Description

technical field [0001] The invention relates to coatings, in particular to a topcoat for plastics. Background technique [0002] People's awareness of environmental protection is constantly improving, and environmental protection laws and regulations are gradually promulgated and implemented, and are constantly being improved. This situation forces companies in the manufacturing field to continuously improve production processes to improve the affinity between products and nature. At present, the paint industry is also gradually developing in the direction of water-based and UV (ultraviolet curing) which are environmentally friendly and energy-saving. UV curable coatings are quickly accepted and promoted by the market because of their environmental protection, fast and low energy consumption, and their application range is becoming wider and wider. However, the spray paint used for plastic parts in the motorcycle and electric vehicle industries still has problems such as hi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D133/00C09D5/36C09D5/38
Inventor 杨兴泉
Owner KUSN WANSHENG CHEM
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