JPS5254795A - Preparation of soft polyesters having transparency - Google Patents

Preparation of soft polyesters having transparency

Info

Publication number
JPS5254795A
JPS5254795A JP12981375A JP12981375A JPS5254795A JP S5254795 A JPS5254795 A JP S5254795A JP 12981375 A JP12981375 A JP 12981375A JP 12981375 A JP12981375 A JP 12981375A JP S5254795 A JPS5254795 A JP S5254795A
Authority
JP
Japan
Prior art keywords
transparency
preparation
soft
polyesters
soft polyesters
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
JP12981375A
Other languages
Japanese (ja)
Other versions
JPS6027687B2 (en
Inventor
Hiroshi Sakai
Yoshihiko Takeuchi
Gen Kurisu
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 JP12981375A priority Critical patent/JPS6027687B2/en
Priority to GB50860/75A priority patent/GB1517740A/en
Priority to NLAANVRAGE7514506,A priority patent/NL177753C/en
Priority to CA241,647A priority patent/CA1061040A/en
Priority to FR7538072A priority patent/FR2294201A1/en
Priority to DE19752556149 priority patent/DE2556149B2/en
Priority to US05/641,038 priority patent/US4081494A/en
Publication of JPS5254795A publication Critical patent/JPS5254795A/en
Publication of JPS6027687B2 publication Critical patent/JPS6027687B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To produce a soft polyester having transparency, markedly reduced dispersion between batches, by adding another component to the polymerization system at the stage when the reduced viscosity of the reaction product attains to a specific value or above.
COPYRIGHT: (C)1977,JPO&Japio
JP12981375A 1974-12-14 1975-10-30 Manufacturing method of transparent soft polyester Expired JPS6027687B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP12981375A JPS6027687B2 (en) 1975-10-30 1975-10-30 Manufacturing method of transparent soft polyester
GB50860/75A GB1517740A (en) 1974-12-14 1975-12-11 Preparation of polyesters
NLAANVRAGE7514506,A NL177753C (en) 1974-12-14 1975-12-12 PROCESS FOR PREPARING POLYESTER ELASTOMERS.
CA241,647A CA1061040A (en) 1974-12-14 1975-12-12 Process for preparing soft transparent polyesters
FR7538072A FR2294201A1 (en) 1974-12-14 1975-12-12 PROCESS FOR PREPARING TRANSPARENT PLASTIC POLYESTERS
DE19752556149 DE2556149B2 (en) 1974-12-14 1975-12-12 PROCESS FOR MANUFACTURING SOFT POLYESTERS
US05/641,038 US4081494A (en) 1974-12-14 1975-12-15 Process for preparing soft transparent polyether polyester block copolymers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12981375A JPS6027687B2 (en) 1975-10-30 1975-10-30 Manufacturing method of transparent soft polyester

Publications (2)

Publication Number Publication Date
JPS5254795A true JPS5254795A (en) 1977-05-04
JPS6027687B2 JPS6027687B2 (en) 1985-07-01

Family

ID=15018845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12981375A Expired JPS6027687B2 (en) 1974-12-14 1975-10-30 Manufacturing method of transparent soft polyester

Country Status (1)

Country Link
JP (1) JPS6027687B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753347A (en) * 1980-09-18 1982-03-30 Teijin Ltd Laminate and its working method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5753347A (en) * 1980-09-18 1982-03-30 Teijin Ltd Laminate and its working method
JPS6230910B2 (en) * 1980-09-18 1987-07-06 Teijin Ltd

Also Published As

Publication number Publication date
JPS6027687B2 (en) 1985-07-01

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