JPS5525445A - Modified polyester and its preparation - Google Patents

Modified polyester and its preparation

Info

Publication number
JPS5525445A
JPS5525445A JP9802278A JP9802278A JPS5525445A JP S5525445 A JPS5525445 A JP S5525445A JP 9802278 A JP9802278 A JP 9802278A JP 9802278 A JP9802278 A JP 9802278A JP S5525445 A JPS5525445 A JP S5525445A
Authority
JP
Japan
Prior art keywords
modified polyester
acid
carboxy
formula
preparation
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
JP9802278A
Other languages
Japanese (ja)
Inventor
Takeshi Murayama
Seiichi Ochi
Masakazu Date
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.)
Toyobo Co Ltd
Original Assignee
Toyobo 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 Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP9802278A priority Critical patent/JPS5525445A/en
Publication of JPS5525445A publication Critical patent/JPS5525445A/en
Pending legal-status Critical Current

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  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prepare a modified polyester having high polymerization degree and containing large amount of sulfonic acid salt group, by reacting a specific glycol with a di(carboxy)benzenesulfonic acid salt and a dicarboxylic acid.
CONSTITUTION: A composition composed of (A) a glycol of formula I (n is 2W4; m is 2W20), e.g. diethyleneglycol, etc., and (B) a dicarboxylic acid (such as terephthalic acid) containing 10W50 mol% of 3,5-di(carboxy)benzenesulfonic acid potassium salt of formula II (R is lower alkyl; M is potassium, etc.), is subjected to the polycondensation reaction using a titanium compound such as titanium alcoholate as a catalyst to obtain the objective modified polyester.
COPYRIGHT: (C)1980,JPO&Japio
JP9802278A 1978-08-10 1978-08-10 Modified polyester and its preparation Pending JPS5525445A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9802278A JPS5525445A (en) 1978-08-10 1978-08-10 Modified polyester and its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9802278A JPS5525445A (en) 1978-08-10 1978-08-10 Modified polyester and its preparation

Publications (1)

Publication Number Publication Date
JPS5525445A true JPS5525445A (en) 1980-02-23

Family

ID=14208250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9802278A Pending JPS5525445A (en) 1978-08-10 1978-08-10 Modified polyester and its preparation

Country Status (1)

Country Link
JP (1) JPS5525445A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57143347A (en) * 1981-02-28 1982-09-04 Kanegafuchi Chem Ind Co Ltd Modified polyester resin composition having flame retardance
JPS6289725A (en) * 1985-10-15 1987-04-24 Teijin Ltd Production of modifier polyester
JPH02117949A (en) * 1988-10-26 1990-05-02 Teijin Ltd Polyetherester block copolymer composition
CN103224478A (en) * 2013-04-25 2013-07-31 中国科学院长春应用化学研究所 Ditetrahydrofurfuryl isophthalate-5-sulfonic acid and salt, preparation method and application thereof, and polylactic resin

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57143347A (en) * 1981-02-28 1982-09-04 Kanegafuchi Chem Ind Co Ltd Modified polyester resin composition having flame retardance
JPH0325455B2 (en) * 1981-02-28 1991-04-08 Kanegafuchi Chemical Ind
JPS6289725A (en) * 1985-10-15 1987-04-24 Teijin Ltd Production of modifier polyester
JPH02117949A (en) * 1988-10-26 1990-05-02 Teijin Ltd Polyetherester block copolymer composition
CN103224478A (en) * 2013-04-25 2013-07-31 中国科学院长春应用化学研究所 Ditetrahydrofurfuryl isophthalate-5-sulfonic acid and salt, preparation method and application thereof, and polylactic resin

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