KR960017732A - Method for producing poly (urethane-imide) copolymer of block structure - Google Patents

Method for producing poly (urethane-imide) copolymer of block structure Download PDF

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Publication number
KR960017732A
KR960017732A KR1019940032249A KR19940032249A KR960017732A KR 960017732 A KR960017732 A KR 960017732A KR 1019940032249 A KR1019940032249 A KR 1019940032249A KR 19940032249 A KR19940032249 A KR 19940032249A KR 960017732 A KR960017732 A KR 960017732A
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KR
South Korea
Prior art keywords
imide
urethane
dianhydride
poly
copolymer
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KR1019940032249A
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Korean (ko)
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KR0141287B1 (en
Inventor
전종영
탁태문
황기호
김정학
Original Assignee
탁태문
김준웅
주식회사 선경인더스트리
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Priority to KR1019940032249A priority Critical patent/KR0141287B1/en
Publication of KR960017732A publication Critical patent/KR960017732A/en
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Publication of KR0141287B1 publication Critical patent/KR0141287B1/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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/12—Unsaturated polyimide precursors
    • C08G73/121—Preparatory processes from unsaturated precursors and polyamines
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/83—Chemically modified polymers
    • 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
    • C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers

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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)
  • General Chemical & Material Sciences (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

본 발명은 블록구조의 폴리(우레탄-이미드)공중합체 제조방법에 관한 것으로서, 상세하게 설명하면 과량의 디안하이드라이드 단량체와 디아민 단량체를 이용하여 연속된 1단계로 인하이드라이드 폴리이미드를 제조한 후 준비된 이소시안네이트 말단기의 폴리우레탄을 첨가시켜 블록구조의 폴리(우레탄-이미드)를 제조하는 방법에 관한것이다.The present invention relates to a method for preparing a poly (urethane-imide) copolymer having a block structure, and to describe in detail, an inhydride polyimide is prepared in one continuous step using an excess dianhydride monomer and a diamine monomer. The present invention relates to a method for producing a poly (urethane-imide) having a block structure by adding a polyurethane of the prepared isocyanate end group.

Description

블록구조의 폴리(우레탄-이미드)공중합체의 제조방법Method for producing poly (urethane-imide) copolymer of block structure

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

Claims (7)

용매존재하에 디아민에 대하여 디안하이드라이드를 과량으로 첨가시켜 디안하이드라이드 말단기 폴리이미드를 제조한 다음, 여기에 이소시안네이트 말단기 폴리우레탄을 첨가시켜 반응시킨 후, 70∼100℃로 반응계온도를 조절하여 이미드화 반응시키는 것을 특징으로 하는 블록구조의 폴리(우레탄-이미드)공중합체의 제조방법.In the presence of a solvent, an excess of dianhydride was added to the diamine to prepare a dianhydride end group polyimide, followed by addition of an isocyanate end group polyurethane to the reaction, followed by reaction temperature of 70 to 100 ° C. A method for producing a poly (urethane-imide) copolymer having a block structure, characterized in that the reaction is controlled by imidization. 제1항에 있어서, 상기 디안하이라이드가 1, 2, 4, 5-벤진테트라카복실릭 디안하이드라이드, 3, 3', 4, 4'-벤조페논테트라카복실 디안하이드라이드 및 5-(2, 5-디옥소테트라하이드로퓨릴)-3-메틸-사이클로헥산-1, 2-디카르복실릭안하이드라이드로 구성된 군으로부터 하나 또는 그 이상 선택됨을 특징으로 하는 블록구조의 폴리(우레탄-이미드)공중합체의 제조방법.The method of claim 1, wherein the dianhydride is 1, 2, 4, 5-benzinetetracarboxylic dianhydride, 3, 3 ', 4, 4'-benzophenonetetracarboxylic dianhydride and 5- (2, Block-structured poly (urethane-imide) air, characterized in that one or more are selected from the group consisting of 5-dioxotetrahydrofuryl) -3-methyl-cyclohexane-1, 2-dicarboxylic anhydride Process for the preparation of coalescing. 제1항에 있어서, 상기 디아민이 4-아미노페닐에테르, 비스[4-(3-아미노페녹시)페닐]설폰, 및 α, α'-비스(4-아미노페닐)-1, 4-디이소프로필벤젠으로 구성된 군으로부터 하나 또는 그 이상 선택됨을 특징으로 하는 블록구조의 폴리(우레탄-이미드)공중합체의 제조방법.The method of claim 1, wherein the diamine is 4-aminophenylether, bis [4- (3-aminophenoxy) phenyl] sulfone, and α, α'-bis (4-aminophenyl) -1, 4-diiso A process for producing a poly (urethane-imide) copolymer having a block structure, characterized in that at least one selected from the group consisting of propylbenzenes. 제1항에 있어서, 상기 용매가 1-메틸-2-피로리논, N,N-디메틸폼아미드, N,N-디메틸아세트아마이드, 니트로벤젠, 또는 메타크레졸임을 특징으로 하는 블록구조의 폴리(우레탄-이미드) 공중합체의 제조방법.The block poly (urethane) according to claim 1, wherein the solvent is 1-methyl-2-pyrrolidone, N, N-dimethylformamide, N, N-dimethylacetamide, nitrobenzene, or methacresol. -Imide) method for producing a copolymer 제1항에 있어서, 상기 디안하이드라이드 말단기 폴리이미드가 상온에서 용매존재하에 디아민에 대하여 디안하이드라이드를 과량으로 첨가시켜 폴리아믹산을 제조한 후, 연속적으로 반응계 온도를 160 내지 200℃로 상승시켜 탈수, 이미드화 반응시켜 제조됨을 특징으로 하는 블록구조의 폴리(우레탄-이미드)공중합체의 제조방법.According to claim 1, wherein the dianhydride end group polyimide is added to the dianhydride in excess of the diamine in the presence of a solvent at room temperature to prepare a polyamic acid, and then continuously increase the reaction system temperature to 160 to 200 ℃ A method for producing a poly (urethane-imide) copolymer having a block structure, which is prepared by dehydration and imidization reaction. 제1항에 있어서, 상기 방법이 이미드화 반응시킨 점성 폴리머를 메탄올에 침지후, 3∼4회 세척시키는 단계로 더욱 이루어지는 것을 특징으로 하는 블록구조의 폴리(우레탄-이미드) 공중합체의 제조방법.The method for producing a poly (urethane-imide) copolymer having a block structure according to claim 1, wherein the method further comprises washing the imidized viscous polymer in methanol three to four times after immersion. . 제1항에 있어서, 상기 디안하이디드라이드 말단기 폴리이미드와 이소시안네이트 말단기 폴리우레탄의 혼합비가 다양한 비율로 변화됨을 특징으로 하는 블록구조의 폴리(우레탄-이미드)공중합체의 제조방법.The method according to claim 1, wherein the mixing ratio of the dianhydride end group polyimide and the isocyanate end group polyurethane is varied at various ratios. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940032249A 1994-11-30 1994-11-30 Preparation of poly (urethane-imide)block copolymer KR0141287B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114854008A (en) * 2022-05-12 2022-08-05 厦门大学 Polyurea-polyimide random block copolymer and preparation method and application thereof
KR20230172120A (en) 2022-06-15 2023-12-22 한국화학연구원 Transparent polyimide-urethane and method for producing the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104861641A (en) * 2015-05-19 2015-08-26 兄弟科技股份有限公司 Modified anionic waterborne polyurethane and preparation method thereof
KR20200040137A (en) 2018-10-08 2020-04-17 삼성전자주식회사 Laminated film, and display device including same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114854008A (en) * 2022-05-12 2022-08-05 厦门大学 Polyurea-polyimide random block copolymer and preparation method and application thereof
KR20230172120A (en) 2022-06-15 2023-12-22 한국화학연구원 Transparent polyimide-urethane and method for producing the same

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