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Poly(1,3-propylene terephthalate) 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08G-063/78
출원번호 US-0809353 (1991-12-18)
발명자 / 주소
  • Doerr Marvin L. (Charlotte NC) Hammer Joseph J. (Charlotte NC) Dees J. R. (Charlotte NC)
출원인 / 주소
  • Hoechst Celanese Corporation (Somerville NJ 02)
인용정보 피인용 횟수 : 81  인용 특허 : 0

초록

A process for producing poly(1,3-propylene terephthalate) from the reaction of either terephthalic acid or a lower dialkyl ester of terephthalic acid and 1,3-propanediol and polymerization of the monomer produced therefrom using a novel catalyst system. The novel catalyst composition includes employ

대표청구항

A process for making poly(1,3-propylene terephthalate) comprising steps of: a) reacting terephthalic acid or, dimethyl terephthalate, and 1,3-propanediol to produce a monomer and reaction byproduct; b) removing said reaction byproduct during said reaction; c) polymerizing the monomer by a polyconden

이 특허를 인용한 특허 (81)

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