KR920012141A - Manufacturing method of high molecular weight polyester resin - Google Patents

Manufacturing method of high molecular weight polyester resin Download PDF

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Publication number
KR920012141A
KR920012141A KR1019900020849A KR900020849A KR920012141A KR 920012141 A KR920012141 A KR 920012141A KR 1019900020849 A KR1019900020849 A KR 1019900020849A KR 900020849 A KR900020849 A KR 900020849A KR 920012141 A KR920012141 A KR 920012141A
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KR
South Korea
Prior art keywords
prepolymer
molecular weight
high molecular
polyester resin
weight polyester
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Application number
KR1019900020849A
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Korean (ko)
Other versions
KR940002183B1 (en
Inventor
김종량
Original Assignee
이승동
주식회사 선경인더스트리
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Application filed by 이승동, 주식회사 선경인더스트리 filed Critical 이승동
Priority to KR1019900020849A priority Critical patent/KR940002183B1/en
Publication of KR920012141A publication Critical patent/KR920012141A/en
Application granted granted Critical
Publication of KR940002183B1 publication Critical patent/KR940002183B1/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

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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

고분자량 폴리에스터수지의 제조방법Manufacturing method of high molecular weight polyester resin

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

Claims (4)

중축합반응으로 예비중합체를 제조한후 고상중합법으로 고분자량의 폴리에스터수지를 제조함에 있어서, 상기 예비중합체를 제조하는 중축합반응 과정에서 폴리머 용융체 속에서 불활성기체를 불어넣어 기포를 함유하는 폴리에스터 예비중합체 펠릿을 제조하고, 이를 승온시킴과 동시에 진공을 걸어주어서 팝콘형태의 예비중합체 펠릿을 만든다음 고상중합시켜서 제조됨을 특징으로 하는 고분자량의 폴리에스터수지의 제조방법.After preparing the prepolymer by the polycondensation reaction to prepare a high molecular weight polyester resin by the solid-phase polymerization method, the poly-containing bubble by blowing an inert gas in the polymer melt during the polycondensation reaction to prepare the prepolymer A method for producing a high molecular weight polyester resin, characterized in that the preparation of the ester prepolymer pellets, heating the same, and applying a vacuum to prepare the prepolymer pellets in the form of popcorn, followed by solid phase polymerization. 제1항에 있어서, 상기 폴리에서터 예비중합체는 폴리에틸렌 테레프탈레이트 또는 80몰%이상의 에틸렌테레프탈레이드 단위를 함유하고 있는 것을 특징으로 하는 고분자량의 폴리에스터수지의 제조방법.The method of claim 1, wherein the polyether prepolymer contains polyethylene terephthalate or 80 mol% or more of ethylene terephthalate units. 제1항에 있어서, 상기 폴리에스터 예비중합체는 폴리에틸렌나프탈레이트임을 특징으로 하는 고분자량 폴리에스터수지의 제조방법.The method of claim 1, wherein the polyester prepolymer is polyethylene naphthalate. 제1항에 있어서, 상기 불화료기체로는 질소를 사용하는 것을 특징으로 하는 고분자량 폴리에스터수지의 제조방법.The method of manufacturing a high molecular weight polyester resin according to claim 1, wherein nitrogen is used as the fluorine gas. ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the original application.
KR1019900020849A 1990-12-18 1990-12-18 Processing method of polyester polymer KR940002183B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900020849A KR940002183B1 (en) 1990-12-18 1990-12-18 Processing method of polyester polymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900020849A KR940002183B1 (en) 1990-12-18 1990-12-18 Processing method of polyester polymer

Publications (2)

Publication Number Publication Date
KR920012141A true KR920012141A (en) 1992-07-25
KR940002183B1 KR940002183B1 (en) 1994-03-18

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ID=19307723

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900020849A KR940002183B1 (en) 1990-12-18 1990-12-18 Processing method of polyester polymer

Country Status (1)

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KR (1) KR940002183B1 (en)

Also Published As

Publication number Publication date
KR940002183B1 (en) 1994-03-18

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