KR910008013A - Production method of polyester - Google Patents

Production method of polyester Download PDF

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Publication number
KR910008013A
KR910008013A KR1019890015746A KR890015746A KR910008013A KR 910008013 A KR910008013 A KR 910008013A KR 1019890015746 A KR1019890015746 A KR 1019890015746A KR 890015746 A KR890015746 A KR 890015746A KR 910008013 A KR910008013 A KR 910008013A
Authority
KR
South Korea
Prior art keywords
polyester
reaction
production method
acid component
difunctional acid
Prior art date
Application number
KR1019890015746A
Other languages
Korean (ko)
Other versions
KR930002418B1 (en
Inventor
김상일
김진학
오경남
Original Assignee
최준식
주식회사 에스케이씨
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 최준식, 주식회사 에스케이씨 filed Critical 최준식
Priority to KR1019890015746A priority Critical patent/KR930002418B1/en
Publication of KR910008013A publication Critical patent/KR910008013A/en
Application granted granted Critical
Publication of KR930002418B1 publication Critical patent/KR930002418B1/en

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Classifications

    • 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

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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 없음.No content.

Description

폴리에스테르의 제조방법Production method of polyester

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (1)

적어도 1종의 이관능성 산성분 또는 이관능성 산성분의 알킬에스테르 화합물과 적어도 1종의 알킬렌글리콜을 반응시켜 폴리에스테르를 제조함에 있어 폴리에스테르의 에스테르화 반응 혹은 에스테르 교환반응이 완결된후, 통상적인 저진공반응과 본격적인 중축합반응을 위한 고진공 반응사이에 전체 중축합 반응시간의 1/10 내지 1/2시간 범위내에서 진공도 3 내지 12mmHg의 중진공반응을 실시하는 것을 특징으로 하는 폴리에스테르의 제조방법.In preparing a polyester by reacting at least one difunctional acid component or an alkylester compound of a difunctional acid component with at least one alkylene glycol, after the esterification or transesterification of the polyester is completed, Production of polyester, characterized in that for performing a low vacuum reaction and a high vacuum reaction for full-scale polycondensation reaction, a medium vacuum reaction having a vacuum degree of 3 to 12 mmHg within a range of 1/10 to 1/2 hour of the total polycondensation reaction time Way. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890015746A 1989-10-31 1989-10-31 Process for preparation of polyester KR930002418B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890015746A KR930002418B1 (en) 1989-10-31 1989-10-31 Process for preparation of polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890015746A KR930002418B1 (en) 1989-10-31 1989-10-31 Process for preparation of polyester

Publications (2)

Publication Number Publication Date
KR910008013A true KR910008013A (en) 1991-05-30
KR930002418B1 KR930002418B1 (en) 1993-03-30

Family

ID=19291220

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890015746A KR930002418B1 (en) 1989-10-31 1989-10-31 Process for preparation of polyester

Country Status (1)

Country Link
KR (1) KR930002418B1 (en)

Also Published As

Publication number Publication date
KR930002418B1 (en) 1993-03-30

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