JPS51140992A - A process for preparing a polyester - Google Patents

A process for preparing a polyester

Info

Publication number
JPS51140992A
JPS51140992A JP50064084A JP6408475A JPS51140992A JP S51140992 A JPS51140992 A JP S51140992A JP 50064084 A JP50064084 A JP 50064084A JP 6408475 A JP6408475 A JP 6408475A JP S51140992 A JPS51140992 A JP S51140992A
Authority
JP
Japan
Prior art keywords
polyester
preparing
easer
softening point
reaction rate
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
JP50064084A
Other languages
Japanese (ja)
Inventor
Takatoshi Kuratsuji
Takanori Urasaki
Wataru Funakoshi
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 JP50064084A priority Critical patent/JPS51140992A/en
Publication of JPS51140992A publication Critical patent/JPS51140992A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prepare polytrimethylene terephthalate having high softening point by easer exchange process at a higher reaction rate.
COPYRIGHT: (C)1976,JPO&Japio
JP50064084A 1975-05-30 1975-05-30 A process for preparing a polyester Pending JPS51140992A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50064084A JPS51140992A (en) 1975-05-30 1975-05-30 A process for preparing a polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50064084A JPS51140992A (en) 1975-05-30 1975-05-30 A process for preparing a polyester

Publications (1)

Publication Number Publication Date
JPS51140992A true JPS51140992A (en) 1976-12-04

Family

ID=13247854

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50064084A Pending JPS51140992A (en) 1975-05-30 1975-05-30 A process for preparing a polyester

Country Status (1)

Country Link
JP (1) JPS51140992A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100269872B1 (en) * 1998-04-13 2000-10-16 장용균 Polytrimethyleneterephthalate film of manufacturing method
US6281325B1 (en) 1999-08-25 2001-08-28 E. I. Du Pont De Nemours And Company Preparation of poly(trimethylene terephthalate)
JP2002543227A (en) * 1999-04-22 2002-12-17 ツィマー アーゲー Method for producing polytrimethylene terephthalate (PTT)
JP2004502793A (en) * 2000-02-11 2004-01-29 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Continuous production method of poly (trimethylene terephthalate)
US7186764B2 (en) 2001-05-02 2007-03-06 Asahi Kasei Kabushiki Kaisha Reinforced polytrimethylene terephthalate resin composition
US7671142B2 (en) 2003-12-10 2010-03-02 Asahi Kasei Chemicals Corporation Thermoplastic resin having rigidity when heated

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100269872B1 (en) * 1998-04-13 2000-10-16 장용균 Polytrimethyleneterephthalate film of manufacturing method
JP2002543227A (en) * 1999-04-22 2002-12-17 ツィマー アーゲー Method for producing polytrimethylene terephthalate (PTT)
US6281325B1 (en) 1999-08-25 2001-08-28 E. I. Du Pont De Nemours And Company Preparation of poly(trimethylene terephthalate)
US6335421B1 (en) 1999-08-25 2002-01-01 E. I. Du Pont De Nemours And Company Preparation of poly(trimethylene terephthalate) with low level of di(1,3-propylene glycol)
JP2003507546A (en) * 1999-08-25 2003-02-25 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Preparation of poly (trimethylene terephthalate) containing low levels of di (1,3-propylene glycol)
JP2004502793A (en) * 2000-02-11 2004-01-29 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Continuous production method of poly (trimethylene terephthalate)
JP4819278B2 (en) * 2000-02-11 2011-11-24 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー Continuous production method of poly (trimethylene terephthalate)
US7186764B2 (en) 2001-05-02 2007-03-06 Asahi Kasei Kabushiki Kaisha Reinforced polytrimethylene terephthalate resin composition
US7671142B2 (en) 2003-12-10 2010-03-02 Asahi Kasei Chemicals Corporation Thermoplastic resin having rigidity when heated

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