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Polyester resin as well as stirring reactor and application thereof

A technology for stirring reaction kettles and polyester resins, applied in the field of polyester resins, can solve the problems of unevenness and poor mixing by mixing and stirring devices, and achieve the effects of improving quality, improving water resistance and simple preparation method.

Active Publication Date: 2018-10-19
安徽恒隆新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the above problems existing in the prior art, provide a kind of polyester resin and its stirring reactor and application, solve the water resistance, abrasion resistance, weather resistance, flame retardant of traditional polyester resin and water-based coating The performance is relatively poor and the traditional polyester resin mixing and stirring device is unevenly mixed.

Method used

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  • Polyester resin as well as stirring reactor and application thereof
  • Polyester resin as well as stirring reactor and application thereof
  • Polyester resin as well as stirring reactor and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A polyester resin, comprising the following raw materials: tetrabromophthalic anhydride, chlorendic anhydride, tetrachlorophthalic anhydride, neopentyl glycol, polycarbonate diol, tin catalyst, crosslinking monomer, acetone, three Ethylamine, deionized water;

[0042] Among them, tetrabromophthalic anhydride, chlorendic anhydride, and tetrachlorophthalic anhydride are acid raw materials, neopentyl glycol and polycarbonate diol are alcohol raw materials, and the acid-alcohol ratio is 1:1. The molar ratio of the total molar amount of chlorophthalic anhydride to chlorophthalic anhydride is 1:1, the molar ratio of neopentyl glycol and polycarbonate diol is 1:2, and the tin catalyst is 0.5% of the total mass of alcohol raw materials and acid raw materials , the cross-linking monomer is 30% of the total mass of the alcohol raw material and the acid raw material, acetone is 5% of the total mass of the alcohol raw material and the acid raw material, triethylamine is 2% of the t...

Embodiment 2

[0050] A polyester resin, comprising the following raw materials: tetrabromophthalic anhydride, chlorendic anhydride, tetrachlorophthalic anhydride, neopentyl glycol, polycarbonate diol, tin catalyst, crosslinking monomer, acetone, three Ethylamine, deionized water;

[0051] Among them, tetrabromophthalic anhydride, chlorendic anhydride, and tetrachlorophthalic anhydride are acid raw materials, neopentyl glycol and polycarbonate diol are alcohol raw materials, and the acid-alcohol ratio is 1.5:1. The molar ratio of the total molar amount of chlorophthalic anhydride to chlorophthalic anhydride is 3:1, the molar ratio of neopentyl glycol and polycarbonate diol is 3:2, and the tin catalyst is 0.7% of the total mass of the alcohol raw material and the acid raw material , the cross-linking monomer is 35% of the total mass of the alcohol raw material and the acid raw material, acetone is 10% of the total mass of the alcohol raw material and the acid raw material, triethylamine is 4%...

Embodiment 3

[0059] A polyester resin, comprising the following raw materials: tetrabromophthalic anhydride, chlorendic anhydride, tetrachlorophthalic anhydride, neopentyl glycol, polycarbonate diol, tin catalyst, crosslinking monomer, acetone, three Ethylamine, deionized water;

[0060] Among them, tetrabromophthalic anhydride, chlorendic anhydride, and tetrachlorophthalic anhydride are acid raw materials, neopentyl glycol and polycarbonate diol are alcohol raw materials, and the acid-alcohol ratio is 1.2:1. The molar ratio of the total molar amount of chlorophthalic anhydride to chlorophthalic anhydride is 2:1, the molar ratio of neopentyl glycol and polycarbonate diol is 2:2, and the tin catalyst is 0.6% of the total mass of the alcohol raw material and the acid raw material , the cross-linking monomer is 33% of the total mass of the alcohol raw material and the acid raw material, acetone is 8% of the total mass of the alcohol raw material and the acid raw material, triethylamine is 3% ...

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Abstract

The invention provides a polyester resin as well as a stirring reactor and application thereof. The polyester resin is prepared from the following raw materials: tetrabromophthalic anhydride, chlorendic anhydride, tetrachlorophthalic anhydride, neopentyl glycol, polycarbonate diol, a tin catalyst, a cross-linking monomer, acetone, triethylamine and deionized water. A water-based coating is prepared from the polyester resin, a pigment, a filler, a film formation additive, a wetting dispersant, a polyether defoaming agent, a flatting agent, a cobalt salt dryer, an antibacterial agent and deionized water. The polyester resin has excellent water resistance, abrasion resistance, weather resistance and flame resistance. A polyester resin stirring reactor is capable of more uniformly stirring theraw materials of the polyester resin, directly filtering the mixed polyester resin and improving the quality of the polyester resin. When the polyester resin is applied to a water-based coating, thewater resistance, the abrasion resistance, the weather resistance and the flame resistance of the water-based coating can be improved; and the comprehensive properties of the water-based coating can be improved.

Description

technical field [0001] The invention belongs to the technical field of polyester resins, and in particular relates to a polyester resin, a stirred reactor and its application. Background technique [0002] Polyhydric alcohols and polybasic acids undergo polycondensation reactions, and the resulting polymer macromolecular main chain contains many ester groups. This polymer is called polyester resin. It is mainly used in the coatings industry. Traditional polyester resins are water-resistant , wear resistance, weather resistance and flame retardancy are not particularly good, and the traditional polyester resin mixing and stirring device is relatively simple, it is impossible to mix the polyester resin raw materials evenly, and the larger particles in the polyester resin are not removed , thus affecting the quality of polyester resin. Water-based paint is a relatively new type of paint in the paint market. Water-based paint uses water as a solvent, which saves a lot of resour...

Claims

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Application Information

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IPC IPC(8): C08G63/64C08G63/78C09D167/00C09D7/61C09D7/63C09D7/65B01J19/18
CPCB01J19/0053B01J19/18C08G63/64C08G63/78C08K2003/2296C08K2003/262C08K2003/265C08K2003/322C09D7/61C09D7/63C09D7/65C09D167/00C08L71/00C08L83/04C08K13/02C08K3/26C08K3/34C08K3/22C08K3/32
Inventor 叶新栋鲍观良
Owner 安徽恒隆新材料有限公司
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