KR960031501A - 액정 폴리에스터 및 이의 제조방법 - Google Patents

액정 폴리에스터 및 이의 제조방법 Download PDF

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Publication number
KR960031501A
KR960031501A KR1019950002806A KR19950002806A KR960031501A KR 960031501 A KR960031501 A KR 960031501A KR 1019950002806 A KR1019950002806 A KR 1019950002806A KR 19950002806 A KR19950002806 A KR 19950002806A KR 960031501 A KR960031501 A KR 960031501A
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KR
South Korea
Prior art keywords
halogen
liquid crystal
alkyl
crystal polyester
formula
Prior art date
Application number
KR1019950002806A
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English (en)
Inventor
박영욱
Original Assignee
박영욱
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 박영욱 filed Critical 박영욱
Priority to KR1019950002806A priority Critical patent/KR960031501A/ko
Priority to US08/596,729 priority patent/US5911914A/en
Publication of KR960031501A publication Critical patent/KR960031501A/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/38—Polymers
    • C09K19/3804—Polymers with mesogenic groups in the main chain
    • C09K19/3809—Polyesters; Polyester derivatives, e.g. polyamides
    • 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
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/19—Hydroxy compounds containing aromatic rings
    • C08G63/191—Hydroquinones
    • 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
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • 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
    • C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
    • C08G63/54—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/547—Hydroxy compounds containing aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • 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
    • C08G2250/00—Compositions for preparing crystalline polymers

Abstract

가공에 난점이 많고 제조비가 값비싼 방향족계 액정 폴리에스테르 대신에 본 발명은 디 애시드로써 지방족인 푸라믹 산을 사용하여 제조되는 하기식(Ⅰ)의 구조를 갖는 액정 폴리에스테르에 관한 것이다. 본 발명의 액정 폴리에스테르는 제조방법이 용이하고 경제적이며 별도의 개질 공정없이도 가공이 용이하여 고강도 섬유 및 고강도 플라스틱의 형태로 사용될 수 있다.
상기 식에서 A는또는이고, B는이며, 여기서, R1및 R2는 H, 할로겐 또는 C1내지 C3알킬이고, R3와 R4는 각각 독립적으로 H, 할로겐 또 C1내지 C3알킬이다.

Description

액정 폴리에스터 및 이의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 있어서, 실시예 1에 따라 제조된 폴리에스터 수지의 편광 현미경(crossed polarized) 사진(220℃, 100배)이고,
제2도는 본 발명에 있어서, 실시예 1에 따라 제조된 폴리에스터 수지의 DSC 곡선을 나타내며,
제3도는 본 발명에 있어서, 실시예 1에 따라 제조된 폴리에스터 수지의 TGA 곡선을 나타낸다.

Claims (3)

  1. 하기식(Ⅰ)로 표시되는 액정 폴리에스테르 수지.
    상기 식에서 A는또는이고, B는이며, 여기서 R1및 R2는 H, 할로겐 또는 C1내지 C3알킬이고, R3와 R4는 각각 독립적으로 H, 할로겐 또 C1내지 C3알킬이다.
  2. 제 1항에 있어서, R1및 R2가 각각 H, 할로겐 또는 메틸이고, R3와 R4가 H인 액정 폴리에스테르 수지.
  3. 하기식(Ⅱ)의 화합물 도는 하기식(Ⅲ)의 화합물을 하기식(Ⅳ)의 화합물과 축중합시켜 하기식(Ⅰ)의 액정 폴리에스테르를 제조하는 방법.
    상기 식에서 A는또는이고, B는이며, 여기서 R1및 R2는 H, 할로겐 또는 C1내지 C3알킬이고, R3와 R4는 H, 할로겐 또는 C1내지 C3알킬이고, R5와 R6, R4과 R8은 수소 또는 C1내지 C5의 아실기이고, X1와 X2는 OH 또는 할로겐이다.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950002806A 1995-02-13 1995-02-13 액정 폴리에스터 및 이의 제조방법 KR960031501A (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019950002806A KR960031501A (ko) 1995-02-13 1995-02-13 액정 폴리에스터 및 이의 제조방법
US08/596,729 US5911914A (en) 1995-02-13 1996-02-05 Liquid crystal polyester and method for preparing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950002806A KR960031501A (ko) 1995-02-13 1995-02-13 액정 폴리에스터 및 이의 제조방법

Publications (1)

Publication Number Publication Date
KR960031501A true KR960031501A (ko) 1996-09-17

Family

ID=19408175

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950002806A KR960031501A (ko) 1995-02-13 1995-02-13 액정 폴리에스터 및 이의 제조방법

Country Status (2)

Country Link
US (1) US5911914A (ko)
KR (1) KR960031501A (ko)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778410A (en) * 1972-09-28 1973-12-11 Eastman Kodak Co Process for preparing a final copolyester by reacting a starting polyester with an acyloxy aromatic carboxylic acid
DE2502551A1 (de) * 1975-01-23 1976-07-29 Bayer Ag Faeden und fasern mit erhoehter anfaerbbarkeit
EP0576567A1 (en) * 1991-03-20 1994-01-05 North Dakota State University Compounds with liquid crystalline properties and coating binders based thereon
US5563216A (en) * 1991-06-19 1996-10-08 Sumitomo Chemical Company, Limited Thermoplastic resin composition and preparation thereof

Also Published As

Publication number Publication date
US5911914A (en) 1999-06-15

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