JPS6118567B2 - - Google Patents

Info

Publication number
JPS6118567B2
JPS6118567B2 JP9302275A JP9302275A JPS6118567B2 JP S6118567 B2 JPS6118567 B2 JP S6118567B2 JP 9302275 A JP9302275 A JP 9302275A JP 9302275 A JP9302275 A JP 9302275A JP S6118567 B2 JPS6118567 B2 JP S6118567B2
Authority
JP
Japan
Prior art keywords
polyester
polymerization
intrinsic viscosity
terminal carboxyl
prepolymer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP9302275A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5217595A (en
Inventor
Takanori Urasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teijin Ltd filed Critical Teijin Ltd
Priority to JP9302275A priority Critical patent/JPS5217595A/ja
Publication of JPS5217595A publication Critical patent/JPS5217595A/ja
Publication of JPS6118567B2 publication Critical patent/JPS6118567B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)
JP9302275A 1975-08-01 1975-08-01 Process for producing polyesters with high polymerization degree Granted JPS5217595A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9302275A JPS5217595A (en) 1975-08-01 1975-08-01 Process for producing polyesters with high polymerization degree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9302275A JPS5217595A (en) 1975-08-01 1975-08-01 Process for producing polyesters with high polymerization degree

Publications (2)

Publication Number Publication Date
JPS5217595A JPS5217595A (en) 1977-02-09
JPS6118567B2 true JPS6118567B2 (enrdf_load_stackoverflow) 1986-05-13

Family

ID=14070848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9302275A Granted JPS5217595A (en) 1975-08-01 1975-08-01 Process for producing polyesters with high polymerization degree

Country Status (1)

Country Link
JP (1) JPS5217595A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021205757A1 (ja) * 2020-04-10 2021-10-14 株式会社クラレ 液晶ポリエステル繊維およびその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021205757A1 (ja) * 2020-04-10 2021-10-14 株式会社クラレ 液晶ポリエステル繊維およびその製造方法

Also Published As

Publication number Publication date
JPS5217595A (en) 1977-02-09

Similar Documents

Publication Publication Date Title
US4025492A (en) Thermoplastic copolyesters and a process for their production
CA1087797A (en) Process for the manufacture of linear polyesters which contain phosphites and/or phosphates
US4131601A (en) Process for the preparation of polyesters
US4124566A (en) Process for preparing polyesters
US3787370A (en) Process for the preparation of substan-tially linear polyesters of low free carboxyl group content
US6143837A (en) Process for the preparation of polyester resin
US4123454A (en) Thermoplastic copolyesters
US3053810A (en) Process for the production of
JPS6118567B2 (enrdf_load_stackoverflow)
US3536667A (en) Process of preparing polyethylene terephthalate using glyceryl antimonite as polycondensation catalyst
EP0119731B1 (en) Copolyester of polyethylene terephthalate, process for making it and its use in producing molded articles
JPS5919133B2 (ja) 熱可塑性カ−ボネ−ト変性コポリエステルの製造法
KR20010074866A (ko) 폴리(1,3-프로필렌 2,6-나프탈레이트)의 블렌드
US4547563A (en) Copolyester of polyethylene terephthalate and bis (4-beta hydroxy ethoxy phenyl) sulfone
JPH0859809A (ja) 高重合度ポリエステルの製造方法
US3489720A (en) Use of metal stannate polycondensation catalysts in preparing polyethylene terephthalate
US3542738A (en) Acceleration of polyester resin formation using a dialkyl oxydiformate and product
JP3374544B2 (ja) ポリエステル共重合体の製造法
EP0107503B1 (en) Use of polyethylene terephthalate copolyester in forming films and moulded articles
JP2665074B2 (ja) ポリエステルの製造方法
JPS5921889B2 (ja) ポリエステルの製造方法
JP3044747B2 (ja) ポリエステル重合体の製造方法
JP2807580B2 (ja) ポリエステル樹脂組成物
KR960006302B1 (ko) 고중합도 폴리에스테르의 제조방법
US3475380A (en) Group i-a metal manganites,manganates,and cobaltites as polyester polycondensation catalysts