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Modified unsaturated polyester resin with low viscosity and corrosion resistance and preparation method of modified unsaturated polyester resin

A polyester resin, corrosion-resistant technology, applied in the field of low-viscosity corrosion-resistant modified unsaturated polyester resin and its preparation, can solve the problems of high viscosity, poor toughness, flammability, etc.

Inactive Publication Date: 2017-03-22
滁州常源新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, traditional unsaturated polyester materials are usually brittle, poor toughness, high viscosity, flammable and not resistant to acid and alkali corrosion
[0003] The viscosity and corrosion resistance of unsaturated polyester resins in the prior art cannot meet the needs in actual production, so it is urgent to design a low-viscosity and corrosion-resistant modified unsaturated polyester resin to solve the problems in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of low-viscosity corrosion-resistant modified unsaturated polyester resin proposed by the present invention, its raw material comprises by weight: 25 parts of maleic anhydride, 4 parts of diethylene glycol, 5 parts of dicyclopentadiene, 7.5 parts of isophthalic anhydride, 3 parts of terephthalic acid, 4 parts of ethylene glycol, 2.5 parts of propylene glycol, 6.5 parts of rosin, 6 parts of phloroglucinol, 3 parts of hydroquinone, 5 parts of styrene, dibutyl 7 parts of ethyl tin oxide, 2 parts of zinc acetate, 3.5 parts of cellulose acetate, 1 part of tetrabutyl titanate, 2.5 parts of cobalt isooctanoate, 3.5 parts of modified glass fiber, 4.5 parts of modified silicon dioxide, heavy carbonic acid 4 parts of calcium, 2 parts of cobalt cyclopentanoate, 4 parts of methyl ethyl ketone peroxide, and 3 parts of hexafluorobutyl methacrylate.

Embodiment 2

[0025] A kind of low-viscosity corrosion-resistant modified unsaturated polyester resin proposed by the present invention, its raw material comprises by weight: 15 parts of maleic anhydride, 5 parts of diethylene glycol, 4 parts of dicyclopentadiene, 9 parts of isophthalic anhydride, 2 parts of terephthalic acid, 5 parts of ethylene glycol, 2 parts of propylene glycol, 8 parts of rosin, 4 parts of phloroglucinol, 4 parts of hydroquinone, 4 parts of styrene, dibutyl 8 parts of ethyl tin oxide, 1 part of zinc acetate, 5 parts of cellulose acetate, 0.5 parts of tetrabutyl titanate, 3.5 parts of cobalt isooctanoate, 2 parts of modified glass fiber, 6 parts of modified silicon dioxide, heavy carbonic acid 3 parts of calcium, 3 parts of cobalt cyclopentanoate, 3 parts of methyl ethyl ketone peroxide, 4 parts of hexafluorobutyl methacrylate.

[0026] The modified glass fiber is prepared according to the following process: mix 1 part of glass fiber and 6 parts of sodium hydroxide solu...

Embodiment 3

[0034] A kind of low-viscosity corrosion-resistant modified unsaturated polyester resin proposed by the present invention, its raw material comprises by weight: 35 parts of maleic anhydride, 3 parts of diethylene glycol, 6 parts of dicyclopentadiene, 6 parts of isophthalic anhydride, 4 parts of terephthalic acid, 3 parts of ethylene glycol, 3 parts of propylene glycol, 5 parts of rosin, 8 parts of phloroglucinol, 2 parts of hydroquinone, 6 parts of styrene, dibutyl 6 parts of ethyl tin oxide, 3 parts of zinc acetate, 2 parts of cellulose acetate, 1.5 parts of tetrabutyl titanate, 1.5 parts of cobalt isooctanoate, 5 parts of modified glass fiber, 3 parts of modified silicon dioxide, heavy carbonic acid 5 parts of calcium, 1 part of cobalt cyclopentanoate, 5 parts of methyl ethyl ketone peroxide, and 2 parts of hexafluorobutyl methacrylate.

[0035] The modified glass fiber is prepared according to the following process: 3 parts by weight of glass fiber and 4 parts of sodium hyd...

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Abstract

The invention discloses modified unsaturated polyester resin with low viscosity and corrosion resistance. The modified unsaturated polyester resin is prepared from raw materials as follows: maleic anhydride, diethylene glycol, dicyclopentadiene, m-phthalic anhydride, terephthalic acid, ethylene glycol, propylene glycol, rosin, phloroglucinol, hydroquinone, styrene, dibutyltin oxide, zinc acetate, cellulose acetate, tetrabutyl titanate, cobalt iso-octoate, cobalt cyclopentanecarboxylate, methyl ethyl ketone peroxide and hexafluorobutyl methacrylate. The invention further provides a preparation method of the modified unsaturated polyester resin with low viscosity and corrosion resistance. The modified unsaturated polyester resin prepared with the method has excellent corrosion resistance and low viscosity.

Description

technical field [0001] The invention belongs to the technical field of unsaturated polyester resins, in particular to a low-viscosity, corrosion-resistant modified unsaturated polyester resin and a preparation method thereof. Background technique [0002] Unsaturated polyester is a kind of mature and industrialized thermosetting resin, and the corresponding products are widely used in laminates, building materials, adhesives, coatings, construction industry and electric power industry. Unsaturated polyester raw materials have wide sources and low cost; they can be cured at room temperature, the curing time is controllable, and the molding process is simple; after curing, the surface of the product is bright and plump, with high hardness, good wear resistance, excellent electrical properties and weather resistance. Although unsaturated polyesters have many advantages, there are also some disadvantages. For example, traditional unsaturated polyester materials are usually brit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F283/01C08F212/08C08F220/22C08G63/676C08K13/06C08K9/02C08K7/14C08K9/06C08K3/36C08K3/26C08K5/098C08K5/101
CPCC08F283/01C08G63/676C08K3/26C08K3/36C08K5/098C08K5/101C08K7/14C08K9/02C08K9/06C08K13/06C08K2003/265
Inventor 蔡国平
Owner 滁州常源新材料有限公司
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