JPS52129798A - Preparation of polyesters - Google Patents

Preparation of polyesters

Info

Publication number
JPS52129798A
JPS52129798A JP4744376A JP4744376A JPS52129798A JP S52129798 A JPS52129798 A JP S52129798A JP 4744376 A JP4744376 A JP 4744376A JP 4744376 A JP4744376 A JP 4744376A JP S52129798 A JPS52129798 A JP S52129798A
Authority
JP
Japan
Prior art keywords
polyesters
preparation
whiteness
esterification
slurry
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.)
Pending
Application number
JP4744376A
Other languages
Japanese (ja)
Inventor
Shunichi Takashima
Masao Kawashima
Kimiyoshi Ishii
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.)
Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon Co 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 Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP4744376A priority Critical patent/JPS52129798A/en
Publication of JPS52129798A publication Critical patent/JPS52129798A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prepare polyesters containing ether bonds in a smaller amount, excellent in whiteness, by the esterification of a slurry of terephthalic acid and ethylene glycol in the presence of specific catalysts and the following polycondensation in the presence of antimony alkoxides, etc.
COPYRIGHT: (C)1977,JPO&Japio
JP4744376A 1976-04-26 1976-04-26 Preparation of polyesters Pending JPS52129798A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4744376A JPS52129798A (en) 1976-04-26 1976-04-26 Preparation of polyesters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4744376A JPS52129798A (en) 1976-04-26 1976-04-26 Preparation of polyesters

Publications (1)

Publication Number Publication Date
JPS52129798A true JPS52129798A (en) 1977-10-31

Family

ID=12775275

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4744376A Pending JPS52129798A (en) 1976-04-26 1976-04-26 Preparation of polyesters

Country Status (1)

Country Link
JP (1) JPS52129798A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7358322B2 (en) 2004-03-09 2008-04-15 Eastman Chemical Company High IV melt phase polyester polymer catalyzed with antimony containing compounds
US7459113B2 (en) 2004-03-08 2008-12-02 Eastman Chemical Company Process of making a container from polyester polymer particles having a small surface to center intrinsic-viscosity gradient
US7935399B2 (en) 2004-09-02 2011-05-03 Grupo Petrotemex, S.A. De C.V. Low melting polyester polymers
US8901272B2 (en) 2007-02-02 2014-12-02 Grupo Petrotemex, S.A. De C.V. Polyester polymers with low acetaldehyde generation rates and high vinyl ends concentration
US8987408B2 (en) 2005-06-16 2015-03-24 Grupo Petrotemex, S.A. De C.V. High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7459113B2 (en) 2004-03-08 2008-12-02 Eastman Chemical Company Process of making a container from polyester polymer particles having a small surface to center intrinsic-viscosity gradient
US7358322B2 (en) 2004-03-09 2008-04-15 Eastman Chemical Company High IV melt phase polyester polymer catalyzed with antimony containing compounds
US7368522B2 (en) 2004-03-09 2008-05-06 Eastman Chemical Company High IV melt phase polyester polymer catalyzed with antimony containing compounds
US7935399B2 (en) 2004-09-02 2011-05-03 Grupo Petrotemex, S.A. De C.V. Low melting polyester polymers
US8968615B2 (en) 2004-09-02 2015-03-03 Eastman Chemical Company Low melting polyester polymers
US8987408B2 (en) 2005-06-16 2015-03-24 Grupo Petrotemex, S.A. De C.V. High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates
US8901272B2 (en) 2007-02-02 2014-12-02 Grupo Petrotemex, S.A. De C.V. Polyester polymers with low acetaldehyde generation rates and high vinyl ends concentration

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