JPS5728151A - Preparation of high viscosity, block-copolymerized poly etherester elastomer - Google Patents

Preparation of high viscosity, block-copolymerized poly etherester elastomer

Info

Publication number
JPS5728151A
JPS5728151A JP10206580A JP10206580A JPS5728151A JP S5728151 A JPS5728151 A JP S5728151A JP 10206580 A JP10206580 A JP 10206580A JP 10206580 A JP10206580 A JP 10206580A JP S5728151 A JPS5728151 A JP S5728151A
Authority
JP
Japan
Prior art keywords
block
dimer acid
elastomer
salt
pref
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
JP10206580A
Other languages
Japanese (ja)
Other versions
JPS6253020B2 (en
Inventor
Juji Konagaya
Seiji Endo
Yasuo Kato
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 JP10206580A priority Critical patent/JPS5728151A/en
Publication of JPS5728151A publication Critical patent/JPS5728151A/en
Publication of JPS6253020B2 publication Critical patent/JPS6253020B2/ja
Granted legal-status Critical Current

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Abstract

PURPOSE: To convert a polyester elastomer having relatively low melt viscosity to a highly viscous one, easily, keeping its good transparency, by mixing a metal salt of a dimer acid under melting.
CONSTITUTION: A block-copolymerized poly(etherester) elastomer derived from a dicarboxylic acid composed mainly of terephthalic acid or its ester-forming derivative and a polyalkylene glycol having a molecular weight of 600W4,000, is mixed with 0.4W10wt% of a dimer acid salt of a Ia group metal of the periodic table, pref. lithium, sodium or potassium, under melting. The dimer acid may contain ≤35% of monomer acids and trimer acids which are by-products of the synthesis. The metallic salt may be a mixture, and ≥90% of the carboxyl group is pref. neutralized.
COPYRIGHT: (C)1982,JPO&Japio
JP10206580A 1980-07-24 1980-07-24 Preparation of high viscosity, block-copolymerized poly etherester elastomer Granted JPS5728151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10206580A JPS5728151A (en) 1980-07-24 1980-07-24 Preparation of high viscosity, block-copolymerized poly etherester elastomer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10206580A JPS5728151A (en) 1980-07-24 1980-07-24 Preparation of high viscosity, block-copolymerized poly etherester elastomer

Publications (2)

Publication Number Publication Date
JPS5728151A true JPS5728151A (en) 1982-02-15
JPS6253020B2 JPS6253020B2 (en) 1987-11-09

Family

ID=14317356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10206580A Granted JPS5728151A (en) 1980-07-24 1980-07-24 Preparation of high viscosity, block-copolymerized poly etherester elastomer

Country Status (1)

Country Link
JP (1) JPS5728151A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61111356A (en) * 1984-11-06 1986-05-29 Toyobo Co Ltd Polyester block copolymer composition
WO2008057462A1 (en) * 2006-11-07 2008-05-15 E. I. Du Pont De Nemours And Company Polytrimethylene ether glycol esters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61111356A (en) * 1984-11-06 1986-05-29 Toyobo Co Ltd Polyester block copolymer composition
WO2008057462A1 (en) * 2006-11-07 2008-05-15 E. I. Du Pont De Nemours And Company Polytrimethylene ether glycol esters

Also Published As

Publication number Publication date
JPS6253020B2 (en) 1987-11-09

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