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Polishing-free highlight coating resin

A coating resin and grinding-free technology, which is applied in the field of modified unsaturated polyester resin, can solve the problems of PU coating resin environmental pollution, poor hardness, and poor fullness, so as to reduce VOC emissions and resin The effect of reducing the amount of grinding process

Inactive Publication Date: 2013-11-27
CHANGZHOU HUARUN COMPOSITE MATERIALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the problems of environmental pollution caused by PU coating resin and the problems of poor fullness and poor hardness, reduce the polishing process of PE coating resin, thereby improving production efficiency, and can also be used without increasing the price. Provides a no-sand high-gloss coating resin with a combination of yellowing resistance and fullness

Method used

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  • Polishing-free highlight coating resin
  • Polishing-free highlight coating resin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1）

[0029] Weigh 250g of maleic anhydride, 10g of phthalic anhydride, 7g of dicyclopentadiene, 8g of tetrahydrophthalic anhydride, 20g of ethylene glycol, and 25g of glycerin allyl ether, and polycondense at about 180°C to obtain unsaturated Polyester resin, add diallyl ether 86 grams and mix well, set aside.

[0030] Take the resin 100g prepared in the previous step, add Ciba company photoinitiator 1846g, TPO1g, HDDA20g, TPGDA30g

[0031] TMPTA 10g, leveling agent and defoamer 2g, mixed to obtain the non-grinding high-gloss coating resin of the present invention.

[0032] During the use of this resin, the construction process is the same as that of ordinary photocurable coatings. But no sanding required.

Embodiment 2）

[0034] Weigh 250g of maleic anhydride, 13g of phthalic anhydride, 10g of dicyclopentadiene, 10g of tetrahydrophthalic anhydride, 20g of ethylene glycol, and 25g of glycerin allyl ether, polycondense at about 180°C, and react to obtain unsaturated Add 100 grams of diallyl ether to the polyester resin, mix well, and set aside.

[0035] Take 100g of the resin prepared in the previous step, add 1848g of Ciba photoinitiator, 2g of TPO, 22g of HDDA, 33g of TPGDA, 10g of TMPTA, 7.3g of leveling agent and defoamer, and mix to obtain the non-grinding high-gloss coating resin of the present invention.

[0036] During the use of this resin, the construction process is the same as that of ordinary photocurable coatings. But no sanding required.

Embodiment 3）

[0038] Weigh 250g of maleic anhydride, 12g of phthalic anhydride, 8g of dicyclopentadiene, 9g of tetrahydrophthalic anhydride, 20g of ethylene glycol, and 25g of glycerin allyl ether, and polycondense at about 180°C to obtain unsaturated Add 60 grams of diallyl ether to the polyester resin, mix well, and set aside.

[0039] Get 100g of resin prepared in the previous step, add Ciba company photoinitiator 1845g, TPO0.8g, HDDA17g, TPGDA25.5g, TMPTA8.5g, leveling agent and defoamer 1.5g, mix to obtain the non-grinding high-gloss coating of the present invention resin.

[0040]

[0041] During the use of this resin, the construction process is the same as that of ordinary light-cured coatings, but no grinding is required.

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Abstract

The invention relates to modified unsaturated polyester resin and in particular relates to polishing-free highlight coating resin. The polishing-free highlight coating resin is characterized in that at least one air-dried monomer is introduced into unsaturated polyester and at least two photoinitiators, namely surface layer initiator photo-curing resin and deep layer initiator photo-curing resin respectively, are adopted. According to the polishing-free highlight coating resin, the air-dried monomer is introduced into the unsaturated polyester, multiple photoinitiators are adopted for playing a synergistic effect, and an ingenious formulation design is adopted, so as to obtain a polishing-free highlight coating, so that a polishing process is eliminated, the production efficiency is improved, the usage amount of resin is reduced, and the production cost is saved; furthermore emission of VOC (volatile organic compounds) is reduced while a photocuring process is adopted, thereby being consistent with the policy of building a resource-saving and environmentally-friendly society advocated in China.

Description

technical field [0001] The invention relates to a modified unsaturated polyester resin, in particular to a polishing-free high-gloss coating resin. Background technique [0002] Coating resin is widely used in the surface coating of wooden or plastic products such as pianos, high-end furniture, wooden handicrafts, etc. The process is simple, and the products made of it have good surface hardness and gloss, and play a protective and decorative role, so they are very useful. broad market. [0003] At present, there are three main systems for coating resin at home and abroad: [0004] 1. High-temperature baking coating resin, this resin system contains a large amount of solvent, after baking the solvent volatilizes into the atmosphere, causing pollution to the environment, although the coating resin that does not need to be polished can be obtained after curing, the hardness and fullness The effect is not very ideal. [0005] 2. The unsaturated coated polyester resin cured a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/06C09D7/12C08G63/676
Inventor 包柏青施卫星赵金保
Owner CHANGZHOU HUARUN COMPOSITE MATERIALS
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