TH65655B - Excellent heat stable polyester and manufacturing methods for that - Google Patents

Abstract

DC60 (30/10/56) to provide polyesters with excellence in thermal stability with only a reduction. Slightly in the original viscosity during molding Polyesters derived from dicarboxylic acids and/or their ester-forming derivatives and ions are characterized by being composed of 15 to 500 ppm. Derivative components from 1,2-propane diol

Claims (1)

Disclaimer (all) which will not appear on the advertisement page. : ------ 17/01/2018 ------ (OCR) Page 1 of Quantity 1 Page Disclaimer 1. Polyelters are derived from diocarboxylic acids. A and / or ester formation derivatives Its and ethylene glycol are characterized by being composed of 15 to 500 ppm. Of the derivative components from 1,2-Propendiol 2. The polyester described in claim 1, which is characterized by Containing a 5-sulfoisopthalic acid salt and / or its ester-forming derivative as 3. The polymers described in claim 1 or 2 are unique in that they contain polyoxylchylene glycol. It has a molecular weight of 500 to 20,000 as a building block of the copolymer 4. The polymer-based moldings described in one of the above claims 1 to 3. 5. Manufacturing methods for composite polyesters include the process of conducting diocarboxylic acids and / or their ester-forming derivatives. And ethylene glycol It enters the ester formation or ester exchange reaction and later stages of the ester formation reaction operation. The characteristically condensed polymer under reduced pressure is By using ethylene glycol with a content of 1,2-propanediol 45 to 1000 ppm. ------------ Revised 15/07/2016 1 .Polyesters are derived from diarboxylic acids and / or their ester building derivatives and ethylene glycol. 500 ppm Of the derivative components from 1,2-Propendiol 2. The polyester described in claim 1, which is characterized by Containing a 5-sulfoisopthalic acid salt and / or its ester-forming derivatives as a fraction The polymers of the copolymer 3. The polyesters described in claim 1 or 2 are characterized by being composed of polyoxylchylene glycol. With a molecular weight of 500 to 20,000 as a component in The construction of the copolymer 4. The polymer fabrication described in one of the clauses 1 to 3. 5. Manufacturing methods for polyester. The constituents include the process of introducing dicarboxylic acids and / or their ester-producing derivatives and ethylene glycol into ester production or Perform the ester exchange reaction and the later stages of the operation, the ester formation reaction. The characteristically condensed polymer under reduced pressure is By using ethylene glycol with a content of 1,2-propanediol 45 to 1000 parts per million ------------------------------------------------- 1.Polyesters are derived from diarboxylic acids and / or their ester-building derivatives and ions are characterized by having 15 to 500 parts million. Section of section Assembled from 1,2-propanediol