KR950011497A - Method of producing polyether ester copolymer - Google Patents
Method of producing polyether ester copolymer Download PDFInfo
- Publication number
- KR950011497A KR950011497A KR1019930026483A KR930026483A KR950011497A KR 950011497 A KR950011497 A KR 950011497A KR 1019930026483 A KR1019930026483 A KR 1019930026483A KR 930026483 A KR930026483 A KR 930026483A KR 950011497 A KR950011497 A KR 950011497A
- Authority
- KR
- South Korea
- Prior art keywords
- ester copolymer
- polyether ester
- segment
- polyether
- hard segment
- Prior art date
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- Polyesters Or Polycarbonates (AREA)
Abstract
본 발명은 방향족 폴리에스테르를 하드세그먼트로 하고 폴리에테르를 소프트세그먼트로 하여 하드 세그먼트/소프트 세그먼트의 중량분율이 10/90내지 30/70인 폴리에테르에스테 공중합체를 제조항에 있어서, 아래 일반식(I)로 나타나는 스피로환을 갖는 2관능성 화합물을 저분자량 글리콜 성분에 대해 5∼30몰%를 공중합시키므로써 용융점도 및 기타 물성이 우수한 폴리에테르에스테르 공중합체를 제조하는 방법에 관한 것이다.The present invention provides a polyether ester copolymer having an aromatic polyester as a hard segment and a polyether as a soft segment in which the weight fraction of the hard segment / soft segment is 10/90 to 30/70. The present invention relates to a method for producing a polyether ester copolymer having excellent melt viscosity and other physical properties by copolymerizing 5 to 30 mol% of a bifunctional compound having a spiro ring represented by I) with respect to a low molecular weight glycol component.
상기식에서 Rl, R2, R3, R4는 각각 수소, 메틸기, 또는 에틸기이다.In the above formula, R 1 , R 2 , R 3 , and R 4 are each hydrogen, a methyl group, or an ethyl group.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930026483A KR950011497A (en) | 1993-10-04 | 1993-10-04 | Method of producing polyether ester copolymer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019930026483A KR950011497A (en) | 1993-10-04 | 1993-10-04 | Method of producing polyether ester copolymer |
Publications (1)
Publication Number | Publication Date |
---|---|
KR950011497A true KR950011497A (en) | 1995-05-15 |
Family
ID=66826650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930026483A KR950011497A (en) | 1993-10-04 | 1993-10-04 | Method of producing polyether ester copolymer |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950011497A (en) |
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1993
- 1993-10-04 KR KR1019930026483A patent/KR950011497A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19931004 |
|
PG1501 | Laying open of application | ||
PC1203 | Withdrawal of no request for examination | ||
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |