JPS53120797A - Preparation of polyester - Google Patents

Preparation of polyester

Info

Publication number
JPS53120797A
JPS53120797A JP3537277A JP3537277A JPS53120797A JP S53120797 A JPS53120797 A JP S53120797A JP 3537277 A JP3537277 A JP 3537277A JP 3537277 A JP3537277 A JP 3537277A JP S53120797 A JPS53120797 A JP S53120797A
Authority
JP
Japan
Prior art keywords
polyester
preparation
polycondensing
anhydride
prepare
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.)
Granted
Application number
JP3537277A
Other languages
Japanese (ja)
Other versions
JPS6034568B2 (en
Inventor
Satoshi Hashimoto
Noriya Okumura
Seiji Kazama
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 JP3537277A priority Critical patent/JPS6034568B2/en
Publication of JPS53120797A publication Critical patent/JPS53120797A/en
Publication of JPS6034568B2 publication Critical patent/JPS6034568B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prepare an aromatic polyester having a high softening point and improved whiteness, by polycondensing in the presence of the reaction product of a titanium compound with phthalic acid (anhydride) as a polycondensation catalyst.
COPYRIGHT: (C)1978,JPO&Japio
JP3537277A 1977-03-31 1977-03-31 Polyester manufacturing method Expired JPS6034568B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3537277A JPS6034568B2 (en) 1977-03-31 1977-03-31 Polyester manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3537277A JPS6034568B2 (en) 1977-03-31 1977-03-31 Polyester manufacturing method

Publications (2)

Publication Number Publication Date
JPS53120797A true JPS53120797A (en) 1978-10-21
JPS6034568B2 JPS6034568B2 (en) 1985-08-09

Family

ID=12440058

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3537277A Expired JPS6034568B2 (en) 1977-03-31 1977-03-31 Polyester manufacturing method

Country Status (1)

Country Link
JP (1) JPS6034568B2 (en)

Also Published As

Publication number Publication date
JPS6034568B2 (en) 1985-08-09

Similar Documents

Publication Publication Date Title
JPS5345395A (en) Preparation of polyester
JPS5445397A (en) Preparation of polyester
JPS5432409A (en) Preparation of ciol and cyclic ether
JPS53120797A (en) Preparation of polyester
JPS53109597A (en) Preparation of polyester
JPS53125495A (en) Preparation of polyester
JPS51127195A (en) Process for manvfactvring polyesters
JPS53128696A (en) Preparation of polyester
JPS5249292A (en) Process for preparing polyesters
JPS5239791A (en) Preparation of polyesters
JPS5392895A (en) Preparation of polyester
JPS5269997A (en) Production of aromatic polyesters
JPS5312833A (en) Preparation of dimethylterephthalate
JPS5381594A (en) Preparation of polyester
JPS5387331A (en) Simultaneous preparation of terephtahlic acid and dimethyl terephtahlate
JPS5385891A (en) Preparation of polyester
JPS5229893A (en) Process for producing polyester elastomers
JPS52136294A (en) Preparation of polyesters
JPS5219633A (en) Process of esterification
JPS5297928A (en) Preparation of adducts of aromatic dicarboxylic acids and alkylene oxi des
JPS54125295A (en) Preparation of polyester
JPS52144091A (en) Preparation of polythetramethylene terephtalate isophthalate copolymers
JPS53113893A (en) Preparation of polyester
JPS51145593A (en) Preparation of aromatic polyester
JPS5372096A (en) Preparation of aromatic polyester