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A kind of hydroxyl-terminated branched polyester resin and its production equipment

A technology of polyester resin and production equipment, applied in the field of polyester resin, can solve the problems of lower production efficiency, high labor intensity, manual feeding, etc., and achieve the effects of improving production efficiency, reducing labor intensity and improving quality

Active Publication Date: 2020-11-20
广东睿鹏材料科学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polyhydric alcohols and polybasic acids undergo polycondensation reactions, and the resulting polymer macromolecular main chain contains many ester groups. This kind of polymer is called polyester resin. It is mainly used in the coating industry. The application of polyester resin is becoming more and more The more widely, but the performance of polyester resin is still in the process of continuous improvement, especially the wear resistance, water resistance, weather resistance and flame retardancy of polyester resin need to be improved. In the process of producing polyester resin, generally Both require manual feeding, which is labor-intensive and greatly reduces production efficiency

Method used

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  • A kind of hydroxyl-terminated branched polyester resin and its production equipment
  • A kind of hydroxyl-terminated branched polyester resin and its production equipment
  • A kind of hydroxyl-terminated branched polyester resin and its production equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A hydroxyl-terminated branched polyester resin, consisting of the following raw materials in parts by mass:

[0053] 3-butyl-2-ethyl-1,3-propanediol: 440 parts;

[0054] Hydrogenated bisphenol A: 215 parts;

[0055] 2,2,4-trimethyl-1,3-pentanediol: 200 parts;

[0056] Trimethylolethane: 425 parts;

[0057] Tetrabromophthalic anhydride: 460 parts;

[0058] 1,4-cyclohexanedicarboxylic acid: 450 parts;

[0059] Isophthalic acid: 475 parts;

[0060] Antioxidant 1010: 7.5 parts;

[0061] Monobutyltin oxide: 3 parts;

[0062] Xylene: 1550 parts;

[0063] The production technique of described hydroxyl-terminated branched polyester resin comprises the following steps:

[0064] a. Weigh butyl-2-ethyl-1,3-propanediol, hydrogenated bisphenol A, 2,2,4-trimethyl-1,3-pentanediol, trimethylolethane in proportion, Feed into the mixing cylinder through the automatic feeding structure, and mix for 5 minutes;

[0065] b. Weigh tetrabromophthalic anhydride, 1,4-cyclohexanedicarboxy...

Embodiment 2

[0074] A hydroxyl-terminated branched polyester resin, consisting of the following raw materials in parts by mass:

[0075] 4-butyl-2-ethyl-1,3-propanediol: 450 parts;

[0076] Hydrogenated bisphenol A: 210 parts;

[0077] 2,2,4-trimethyl-1,3-pentanediol: 205 parts;

[0078] Trimethylolethane: 420 parts;

[0079] Tetrabromophthalic anhydride: 455 parts;

[0080] 1,4-cyclohexanedicarboxylic acid: 460 parts;

[0081] Isophthalic acid: 470 parts;

[0082] Antioxidant 1076: 8 parts;

[0083] Dibutyltin oxide: 2.5 parts;

[0084] Propylene glycol methyl ether acetate: 1600 parts;

[0085] The production technique of described hydroxyl-terminated branched polyester resin comprises the following steps:

[0086] a. Weigh butyl-2-ethyl-1,3-propanediol, hydrogenated bisphenol A, 2,2,4-trimethyl-1,3-pentanediol, trimethylolethane in proportion, Feed into the mixing cylinder through the automatic feeding structure, and mix for 10 minutes;

[0087] b. Weigh tetrabromophthalic anh...

Embodiment 3

[0096] A hydroxyl-terminated branched polyester resin, consisting of the following raw materials in parts by mass:

[0097] 5-butyl-2-ethyl-1,3-propanediol: 445 parts;

[0098] Hydrogenated bisphenol A: 220 parts;

[0099] 2,2,4-trimethyl-1,3-pentanediol: 210 parts;

[0100] Trimethylolethane: 430 parts;

[0101] Tetrabromophthalic anhydride: 450 parts;

[0102] 1,4-cyclohexanedicarboxylic acid: 455 parts;

[0103] Isophthalic acid: 480 parts;

[0104] Antioxidant 1010: 7.7 parts;

[0105] Dibutyltin oxide chloride: 2.8 parts;

[0106] Xylene: 1200 parts;

[0107] Propylene glycol methyl ether acetate: 300 parts;

[0108] The production technique of described hydroxyl-terminated branched polyester resin comprises the following steps:

[0109] a. Weigh butyl-2-ethyl-1,3-propanediol, hydrogenated bisphenol A, 2,2,4-trimethyl-1,3-pentanediol, trimethylolethane in proportion, Feed into the mixing cylinder through the automatic feeding structure, and mix for 7 minutes;

...

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Abstract

The invention discloses hydroxyl-terminated branched type polyester resin. The hydroxyl-terminated branched type polyester resin is prepared from raw materials in parts by mass as follows: 2-butyl-2-ethyl-1,3-propanediol, hydrogenated bisphenol A, 2,2,4-trimethyl-1,3-pentadiol, trimethylolethane, tetrabromophthalic anhydride, 1,4-cyclohexanedicarboxylic acid, isophthalic acid, an antioxidant, an organic tin catalyst and a solvent. The invention further discloses production equipment of the hydroxyl-terminated branched type polyester resin. The prepared hydroxyl-terminated branched type polyester resin has good wear resistance, water resistance, weather fastness and flame retardance, an automatic feeding device in the production equipment of the hydroxyl-terminated branched type polyester resin can perform automatic feeding, so that not only is labor intensity of a worker reduced greatly, but also production efficiency is improved; due to the fact that most raw materials belong to solidpowder, the raw materials can be mixed uniformly in advance by the automatic feeding device, the reaction of the raw materials can be more complete, the polyester resin with uniform quality is obtained, and product quality is improved.

Description

technical field [0001] The invention belongs to the field of polyester resins, in particular to a hydroxyl-terminated branched polyester resin and production equipment thereof. Background technique [0002] Polyhydric alcohols and polybasic acids undergo polycondensation reactions, and the resulting polymer macromolecular main chain contains many ester groups. This kind of polymer is called polyester resin. It is mainly used in the coating industry. The application of polyester resin is becoming more and more The more widely, but the performance of polyester resin is still in the process of continuous improvement, especially the wear resistance, water resistance, weather resistance and flame retardancy of polyester resin need to be improved. In the process of producing polyester resin, generally Both require manual feeding, which is labor-intensive and greatly reduces production efficiency. Contents of the invention [0003] The purpose of the present invention is to over...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G63/682C08G63/78B01J19/20
Inventor 吕悦
Owner 广东睿鹏材料科学有限公司
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