KR940014510A - Production method of polyester - Google Patents

Production method of polyester Download PDF

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Publication number
KR940014510A
KR940014510A KR1019920023782A KR920023782A KR940014510A KR 940014510 A KR940014510 A KR 940014510A KR 1019920023782 A KR1019920023782 A KR 1019920023782A KR 920023782 A KR920023782 A KR 920023782A KR 940014510 A KR940014510 A KR 940014510A
Authority
KR
South Korea
Prior art keywords
transesterification reaction
polyester
transesterification
reaction tube
methyl alcohol
Prior art date
Application number
KR1019920023782A
Other languages
Korean (ko)
Other versions
KR960007609B1 (en
Inventor
이병일
최우
Original Assignee
하기주
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.)
Filing date
Publication date
Application filed by 하기주, 주식회사 코오롱 filed Critical 하기주
Priority to KR1019920023782A priority Critical patent/KR960007609B1/en
Publication of KR940014510A publication Critical patent/KR940014510A/en
Application granted granted Critical
Publication of KR960007609B1 publication Critical patent/KR960007609B1/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
    • 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
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • 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
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds

Abstract

본 발명은 에스테르교환 반응시간이 기존의 중합법에 비해 20~40% 정도 단축된 폴리에스테르의 중합법에 관한 것으로, 에스테르교환 반응관내에서 디에스테르 유도체와 디올 유도체를 에스테르교환 반응시킨 후 축중합시켜 폴리에스테르를 제조함에 있어서, 에스테르교환 반응관의 온도가 145~170℃일 때 에스테르교환 반응 시스템을 밀폐시켜 에스테르교환 반응관내의 압력이 1.5~5kg·f/cm2가 되도록 하여 에스테르교환 반응에 의해 생성되는 메틸알코올의 유출을 방지하고, 에스테르 교환반응관의 온도가 200~220℃일 때 메틸알코올을 유출시킴을 특징으로 하는 폴리에스테르의 제조방법.The present invention relates to a polymerization method of a polyester having a transesterification reaction time of about 20 to 40% shorter than that of a conventional polymerization method, and condensation polymerization of a diester derivative and a diol derivative in a transesterification tube In preparing the polyester, when the temperature of the transesterification reaction tube is 145-170 ° C, the transesterification reaction system is sealed so that the pressure in the transesterification reaction tube is 1.5-5 kg · f / cm 2 , and by transesterification reaction Preventing the outflow of the resulting methyl alcohol, when the temperature of the transesterification reaction tube is 200 ~ 220 ℃ polyester alcohol production method characterized in that the outflow of methyl alcohol.

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 (2)

에스테르교환 반응관내에는 유도체와 디올 유도체를 에스테르교환 반응시킨 후 축중합시켜 폴리에스테르를 제조함에 있어서, 에스테르교환 반응관의온도가 145~170℃일 때 에스테르교환반응 시스템을 밀폐시켜 에스테르교환반응에 의해 생성되는 메틸알코올의 유출을 방지하고, 에스테르교환반응관의 온도가 200~220℃일 때 메틸알코올을 유출시킴을 특징으로 하는 폴리에스테르의 제조방법.In the transesterification reaction tube, the transesterification of the derivative and the diol derivative is carried out by condensation polymerization to produce the polyester. Preventing the outflow of the resulting methyl alcohol, when the temperature of the transesterification reaction tube is 200 ~ 220 ℃ polyester alcohol production method characterized in that the outflow of methyl alcohol. 제1항에 있어서, 에스테르교환반응 시스템을 밀폐시켜 메틸알코올의 유출을 방지하는 동안의 에스테르교환반응관내의 압력이 1.5~5kg·f/cm2임을 특징으로 하는 폴리에스테르의 제조방법.The method for producing a polyester according to claim 1, wherein the pressure in the transesterification reaction tube during sealing the transesterification system to prevent the leakage of methyl alcohol is 1.5 to 5 kg · f / cm 2 . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920023782A 1992-12-10 1992-12-10 Method for manufacturing polyester KR960007609B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920023782A KR960007609B1 (en) 1992-12-10 1992-12-10 Method for manufacturing polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920023782A KR960007609B1 (en) 1992-12-10 1992-12-10 Method for manufacturing polyester

Publications (2)

Publication Number Publication Date
KR940014510A true KR940014510A (en) 1994-07-18
KR960007609B1 KR960007609B1 (en) 1996-06-07

Family

ID=19345109

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920023782A KR960007609B1 (en) 1992-12-10 1992-12-10 Method for manufacturing polyester

Country Status (1)

Country Link
KR (1) KR960007609B1 (en)

Also Published As

Publication number Publication date
KR960007609B1 (en) 1996-06-07

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