JPS52144091A - Preparation of polythetramethylene terephtalate isophthalate copolymers - Google Patents

Preparation of polythetramethylene terephtalate isophthalate copolymers

Info

Publication number
JPS52144091A
JPS52144091A JP6019776A JP6019776A JPS52144091A JP S52144091 A JPS52144091 A JP S52144091A JP 6019776 A JP6019776 A JP 6019776A JP 6019776 A JP6019776 A JP 6019776A JP S52144091 A JPS52144091 A JP S52144091A
Authority
JP
Japan
Prior art keywords
polythetramethylene
terephtalate
preparation
isophthalate copolymers
copolymers
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
JP6019776A
Other languages
Japanese (ja)
Other versions
JPS5546656B2 (en
Inventor
Shunji Nakazawa
Kunihiro Azuma
Tomiji Matsuki
Michihiko Tanaka
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP6019776A priority Critical patent/JPS52144091A/en
Publication of JPS52144091A publication Critical patent/JPS52144091A/en
Publication of JPS5546656B2 publication Critical patent/JPS5546656B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To obtain polytetramethylene terephthalate isophthalate copolymers having excellent properties with the decrease of by-products and a reaction time, by the esterification of terephthalic acid and isophthalic acid with tetramethylene glycol in the presence of novel effective catalysts and the following polycondensation.
COPYRIGHT: (C)1977,JPO&Japio
JP6019776A 1976-05-26 1976-05-26 Preparation of polythetramethylene terephtalate isophthalate copolymers Granted JPS52144091A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6019776A JPS52144091A (en) 1976-05-26 1976-05-26 Preparation of polythetramethylene terephtalate isophthalate copolymers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6019776A JPS52144091A (en) 1976-05-26 1976-05-26 Preparation of polythetramethylene terephtalate isophthalate copolymers

Publications (2)

Publication Number Publication Date
JPS52144091A true JPS52144091A (en) 1977-12-01
JPS5546656B2 JPS5546656B2 (en) 1980-11-25

Family

ID=13135177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6019776A Granted JPS52144091A (en) 1976-05-26 1976-05-26 Preparation of polythetramethylene terephtalate isophthalate copolymers

Country Status (1)

Country Link
JP (1) JPS52144091A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0401123A2 (en) * 1989-06-01 1990-12-05 Colgate-Palmolive Company (a Delaware corporation) Soil release polymers having improved performance, stability and economy

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102594795B1 (en) * 2021-11-30 2023-10-26 박현도 Sports equipment with shoes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0401123A2 (en) * 1989-06-01 1990-12-05 Colgate-Palmolive Company (a Delaware corporation) Soil release polymers having improved performance, stability and economy

Also Published As

Publication number Publication date
JPS5546656B2 (en) 1980-11-25

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