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Vacuum plating film coating

A vacuum coating and coating technology, applied in the direction of coating, etc., can solve the problems that cannot fundamentally solve the problems of coating brittleness, easy precipitation, poor adhesion of the paint film, and affecting the construction effect, achieving non-toxic side effects, small environmental pollution, The effect of improving flatness

Inactive Publication Date: 2005-11-09
汕头市长崎制漆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the harsh conditions required by vacuum coating, the paint is prone to produce illusion, matte and other phenomena, the paint film adhesion is extremely poor, the paint is extremely unstable after dilution, and it is easy to produce precipitation and other phenomena, which will affect the construction effect; some paints Even heavy metal salts such as lead are used as drier, which is highly toxic
The "vacuum coating coating" announced by Chinese patent CN1168793C uses phenolic resin to modify urethane oil, although the performance of the coating can be partially improved, but due to improper formulation, the product is extremely unstable and cannot fundamentally solve the brittleness of this type of coating , easy to precipitate and other common problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The vacuum coating coating of present embodiment, every 100 grams of this vacuum coating coating is made by the raw material of following weight:

[0042] 23 grams of safflower oil

[0043] Trimethylolpropane 4 g

[0044] Succinic anhydride 3 g

[0045] Maleic anhydride modified rosin ester 15g

[0046] Copolymer of acrylic acid and other monomers 1.5g

[0047] Polyvinyl alcohol 0.8g

[0048] Methylene polyphenyl polyisocyanate 2.7g

[0049] Xylene and 200 # Mixed solvent of gasoline 50g

[0050] Safflower oil, succinic anhydride, maleic anhydride modified rosin ester, copolymer of acrylic acid and other monomers, polyvinyl alcohol, methylene polyphenyl polyisocyanate and mixed solvent (the weight content of xylene is 5% of the mixed solvent %) through alcoholysis (trimethylolpropane), esterification, addition, urethanization and other reactions to make vacuum coating coatings.

Embodiment 2

[0052] The vacuum coating coating of present embodiment, every 100 grams of this vacuum coating coating is made by the raw material of following weight:

[0053] Mixture of catalpa oil and linseed oil 25g

[0054] Glycerol 3 grams

[0055] Rosin Pentaerythritol Ester 20g

[0056] Copolymer of acrylate and other monomers 3 grams

[0057] Modified EVA resin 1g

[0058] 4 g toluene diisocyanate

[0059] Xylene and 200 # Gasoline, 120 # Mixed solvent of gasoline 44 grams

[0060]The mixture of catalpa oil and linseed oil, rosin pentaerythritol ester, copolymer of acrylate and other monomers, modified EVA resin, toluene diisocyanate and mixed solvent (xylene weight content is 8% of mixed solvent) through alcoholysis (acrylic acid ester) Triol), esterification, addition, urethanization and other reactions to make vacuum coating coatings.

Embodiment 3

[0062] The vacuum coating coating of present embodiment, every 100 grams of this vacuum coating coating is made by the raw material of following weight:

[0063] Tung oil 27g

[0064] Pentaerythritol 4 g

[0065] Maleic anhydride modified rosin ester 15g

[0066] Acrylic acid, copolymers of acrylates and other monomers 5 g

[0067] Polyester polyol 1 g

[0068] Double-ended carboxyl polyolefin 3 grams

[0069] 4.5 g xylylene diisocyanate

[0070] Xylene and 120 # Mixed solvent of gasoline 40.5 grams

[0071] Tung oil, maleic anhydride modified rosin ester, acrylic acid and acrylic acid ester and copolymer of other monomers, polyester polyol, double-terminal carboxyl polyolefin, xylylene diisocyanate and mixed solvent (xylene weight content is 2% of the mixed solvent) through alcoholysis (pentaerythritol), esterification, addition, urethanization and other reactions to make a vacuum coating coating.

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PUM

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Abstract

A paint for the vacuum deposition on plastics is proportionally prepared from plant oil, polyol, acid anhydride, rosin, acrylic copolymer, polyhydroxy polymer, modified polyolefin, isocyanate and solvent mixture through alcoholysis, esterifying, addition reaction and aminoesterifying.

Description

technical field [0001] The invention relates to a paint composition, in particular to a primer and a surface paint used in vacuum coating technology. Background technique [0002] Most of the early vacuum coating coatings used urethane oil and alkyd modified urethane oil. They were made of linseed oil, benzoic anhydride, pentaerythritol, modified phenolic resin, and toluene diisocyanate. Through alcoholysis, esterification, Condensation, and add drier to prepare. Under the harsh conditions required by vacuum coating, the paint is prone to produce illusion, matte and other phenomena, the paint film adhesion is extremely poor, the paint is extremely unstable after dilution, and it is easy to produce precipitation and other phenomena, which will affect the construction effect; some paints Even heavy metal salts such as lead are used as drier, which is more toxic. The "vacuum coating coating" announced by Chinese patent CN1168793C uses phenolic resin to modify urethane oil, al...

Claims

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Application Information

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IPC IPC(8): C09D191/00
Inventor 陈汉佳司雪峰
Owner 汕头市长崎制漆有限公司
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