KR880012668A - Manufacturing method of polyester for film - Google Patents

Manufacturing method of polyester for film Download PDF

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Publication number
KR880012668A
KR880012668A KR870004093A KR870004093A KR880012668A KR 880012668 A KR880012668 A KR 880012668A KR 870004093 A KR870004093 A KR 870004093A KR 870004093 A KR870004093 A KR 870004093A KR 880012668 A KR880012668 A KR 880012668A
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KR
South Korea
Prior art keywords
general formula
compound represented
weight
phosphorus compound
polyester
Prior art date
Application number
KR870004093A
Other languages
Korean (ko)
Other versions
KR900004220B1 (en
Inventor
이수창
박인보
오상열
김충부
Original Assignee
이상철
주식회사 코오롱
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.)
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Publication date
Application filed by 이상철, 주식회사 코오롱 filed Critical 이상철
Priority to KR1019870004093A priority Critical patent/KR900004220B1/en
Publication of KR880012668A publication Critical patent/KR880012668A/en
Application granted granted Critical
Publication of KR900004220B1 publication Critical patent/KR900004220B1/en

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

내용 없음No content

Description

필름용 폴리에스테르의 제조법Manufacturing method of polyester for film

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (2)

테레프탈레이트유도체와 에틸렌글리콜을 에스테르 교환반응시켜 올리고머를 제조하고 이를 다시 중축합시켜 폴리에스테르를 제조하는 방법에 있어서, 에스테르 교환촉매로서 상기 테레프탈산유도체에 대하여 칼슘화합물을 0.05 내지 0.3 중량 % , 리튬화합물을 0.05 내지 0.2 중량 % 사용하며, 일반식(I)로 표시되는 5가의 인화합물을 에스테르 종료시점에 투입하고, 일반식(Ⅱ)로 표시되는 3가의 인화합물은 중축합반응초기에, 중합도가 10 이하의 임의의 시점에서, 투입하여 중합시킴을 특징으로 하는 폴리에스테르의 제조방법.In a method of preparing an oligomer by transesterification of a terephthalate derivative and ethylene glycol and polycondensation thereof, a calcium compound of 0.05 to 0.3% by weight relative to the terephthalic acid derivative as a transesterification catalyst, and a lithium compound 0.05 to 0.2% by weight is used, and the pentavalent phosphorus compound represented by the general formula (I) is added at the end of the ester. The trivalent phosphorus compound represented by the general formula (II) has a polymerization degree of 10 A method for producing a polyester, characterized in that the polymerization is carried out by introducing at any of the following time points. 상기식에서 R1은 H 또는 탄소수 1 내지 5 사이의 알킬기, 페닐기 및 이들의 유도체이다.Wherein R 1 is H or an alkyl group having 1 to 5 carbon atoms, a phenyl group and derivatives thereof. 제1항에 있어서, 일반식(I)로 표시되는 5가의 인화합물을 상기 테레프탈산 유도체에 대하여 0.01 내지 0.05 중량 %, 일반식(Ⅱ)로 표시되는 3가의 인화합물을 0.005 내지 0.05 중량 % 투입함을 특징으로 하는 폴리에스테르의 제조방법.According to claim 1, 0.01 to 0.05% by weight of the pentavalent phosphorus compound represented by the general formula (I), 0.005 to 0.05% by weight of the trivalent phosphorus compound represented by the general formula (II) Method for producing a polyester, characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870004093A 1987-04-28 1987-04-28 Process for the preparation of polyester for film KR900004220B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870004093A KR900004220B1 (en) 1987-04-28 1987-04-28 Process for the preparation of polyester for film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870004093A KR900004220B1 (en) 1987-04-28 1987-04-28 Process for the preparation of polyester for film

Publications (2)

Publication Number Publication Date
KR880012668A true KR880012668A (en) 1988-11-28
KR900004220B1 KR900004220B1 (en) 1990-06-18

Family

ID=19261014

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870004093A KR900004220B1 (en) 1987-04-28 1987-04-28 Process for the preparation of polyester for film

Country Status (1)

Country Link
KR (1) KR900004220B1 (en)

Also Published As

Publication number Publication date
KR900004220B1 (en) 1990-06-18

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