KR950018116A - Process for producing degradable polyester - Google Patents

Process for producing degradable polyester Download PDF

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Publication number
KR950018116A
KR950018116A KR1019930029414A KR930029414A KR950018116A KR 950018116 A KR950018116 A KR 950018116A KR 1019930029414 A KR1019930029414 A KR 1019930029414A KR 930029414 A KR930029414 A KR 930029414A KR 950018116 A KR950018116 A KR 950018116A
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KR
South Korea
Prior art keywords
ketone
polyester
dicarboxylic acid
diol
producing
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Application number
KR1019930029414A
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Korean (ko)
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KR100288053B1 (en
Inventor
정원범
육문수
황진택
전승호
Original Assignee
황선두
삼성종합화학 주식회사
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Priority to KR1019930029414A priority Critical patent/KR100288053B1/en
Publication of KR950018116A publication Critical patent/KR950018116A/en
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Publication of KR100288053B1 publication Critical patent/KR100288053B1/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
    • C08G63/91—Polymers modified by chemical after-treatment
    • 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
    • C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing 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
    • C08G2220/00—Compositions for preparing gels other than hydrogels, aerogels and xerogels

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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)

Abstract

본 발명은 광분해성을 부여하는 케톤기를 함유하며, 생분해성이 우수한 지방족계 에스테르 결합을 높게 함유함과 동시에 분자량이 높아 충분한 강도를 갖는 신규의 폴리에스테르의 제조방법에 관한 것이다. 즉, 본 발명은 지방족계 디카르본산 및 케톤계 디카르본산으로부터 선택된 적어도 1종의 디카르본산과, 지방족계 디올 및 케톤계 디올로부터 선택된 적어도 1종의 디올과의 혼합물중에서 케톤계 성분이 0.01∼5몰%가 되게 한 것을 축중합하여 수평균분자량 4,000이상의 케톤기를 함유하는 폴리에스테르를 제조하고, 용융상태에서 디이소시아네이트를 첨가, 반응시켜 최종적으로 수평균분자량이 10,000이상되게 하는 것을 특징으로 하는 케톤기를 함유한 우레탄 결합을 가지는 폴리에스테르의 제조방법을 제공하는 것이다. 본 발명에 의하면, 생분해성 및 광분해성이 동시에 우수하며 실용상 충분한 강도를 갖는 필름, 섬유, 기타 성형품의 제조가 가능하며, 페플라스틱에 의한 환경공해를 획기적으로 해결할 수 있다.The present invention relates to a method for producing a novel polyester containing a ketone group imparting photodegradability, containing a high aliphatic ester bond having excellent biodegradability, and having a high molecular weight and a sufficient strength. That is, in the present invention, the ketone component is 0.01 in a mixture of at least one dicarboxylic acid selected from aliphatic dicarboxylic acid and ketone dicarboxylic acid, and at least one diol selected from aliphatic diol and ketone diol. Ketone, characterized in that the polycondensation of ˜5 mol% to prepare a polyester containing a ketone group having a number average molecular weight of 4,000 or more, and add and react diisocyanate in the molten state to finally have a number average molecular weight of 10,000 or more It is to provide a method for producing a polyester having a urethane bond containing a group. According to the present invention, it is possible to manufacture films, fibers, and other molded articles having excellent biodegradability and photodegradability at the same time and practically sufficient strength, and can significantly solve environmental pollution caused by plastic.

Description

분해성 폴리에스테르의 제조방법Process for producing degradable polyester

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

Claims (5)

지방족계 디카르본산 및 케톤계 디카르본산으로부터 선택된 적어도 1종의 디카르본산과, 지방족계 디올 및 케톤계 디올로부터 선택된 적어도 1종의 디올과의 혼합물중에서 케톤계 성분이 0.01∼5몰%가 되게 한 것을 축중합하여 수평균분자량 4,000이상의 케톤기를 함유하는 폴리에스테르를 제조한 다음 용융상태에서 디이소시아네이트를 첨가, 반응시켜 최종적으로 수평균분자량이 10,000이상되게 하는 것을 특징으로 하는 케톤기를 함유한 우레탄 결합을 가지는 폴리에스테르의 제조방법.In the mixture of at least one dicarboxylic acid selected from aliphatic dicarboxylic acid and ketone dicarboxylic acid and at least one diol selected from aliphatic diol and ketone diol, 0.01 to 5 mol% of the ketone component is To obtain a polyester containing ketone groups having a number average molecular weight of 4,000 or more, and then adding and reacting a diisocyanate in a molten state to finally obtain a number average molecular weight of 10,000 or more. Method for producing a polyester having a. 제1항에 있어서, 지방족계 디카르본산으로는 지방족의 탄소수가 8개 이하의 것이 사용되고, 지방족계 디올로는 지방족의 탄소수가 8개 이하의 것이 사용되는 것을 특징으로 하는 케톤기를 함유한 우레탄 결합을 가지는 폴리에스테르의 제조방법.The urethane bond containing a ketone group according to claim 1, wherein the aliphatic dicarboxylic acid has an aliphatic carbon number of 8 or less and the aliphatic diol has an aliphatic carbon number of 8 or less. Method for producing a polyester having a. 제1항에 있어서, 케톤계 디카르본산으로는 하기 일반식(I)과 같이 양 말단의 카르본산 내의 주쇄의 탄소수가 8개 이하이며 측쇄에 케톤기가 있는 것이 사용되는 것을 특징으로 하는 케톤기를 함유한 우레탄 결합을 가지는 폴리에스테르의 제조방법.The ketone-based dicarboxylic acid according to claim 1, wherein the ketone group contains a ketone group having 8 or less carbon atoms in the main chain and a ketone group in the side chain, as shown in the following general formula (I). Process for producing a polyester having one urethane bond. 여기서, R1은 수소 또는 탄소수가 1∼6개인 알킬기이고, R2는 알킬, 알릴, 알카릴, 알케닐이며, n,m은 0∼7범위의 정수이고, n+m은 7이하인 값을 갖는다.Wherein R 1 is hydrogen or an alkyl group having 1 to 6 carbon atoms, R 2 is alkyl, allyl, alkaryl, alkenyl, n, m is an integer ranging from 0 to 7, and n + m is a value of 7 or less. Have 제1항에 있어서, 케톤계 디올로는 하기 일반식(Ⅱ)와 같이 양 말단의 히드록시기내의 주쇄의 탄소수가 6개 이하이며, 측쇄에 케톤기가 있는 것이 사용되는 것을 특징으로 하는 케톤기를 함유한 우레탄 결합을 가지는 폴리에스테르의 제조방법.The ketone-based urethane according to claim 1, wherein the ketone-based diol has 6 or less carbon atoms in the main chain in the hydroxy group at both terminals as shown in the following general formula (II). Method for producing a polyester having a bond. 여기서, R3은 수소 또는 탄소수가 1∼6개인 알킬기이고, R4는 알킬, 알릴, 알카릴, 알케닐이며, p, q는 0∼5범위의 정수이고, p+q는 5이하인 값을 갖는다.Wherein R 3 is hydrogen or an alkyl group having 1 to 6 carbon atoms, R 4 is alkyl, allyl, alkaryl, alkenyl, p, q is an integer ranging from 0 to 5, and p + q is 5 or less. Have 제1항에 있어서, 케톤기를 함유한 폴리에스테르 100중량부에 대하여 0.1∼4중량부의 디이소시아네이트를 첨가, 반응시키는 것을 특징으로 하는 케톤기를 함유한 우레탄 결합을 가지는 폴리에스테르의 제조방법.The method for producing a polyester having a urethane bond containing a ketone group according to claim 1, wherein 0.1 to 4 parts by weight of diisocyanate is added and reacted with respect to 100 parts by weight of polyester containing a ketone group. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930029414A 1993-12-23 1993-12-23 Method for producing degradable polyester KR100288053B1 (en)

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Application Number Priority Date Filing Date Title
KR1019930029414A KR100288053B1 (en) 1993-12-23 1993-12-23 Method for producing degradable polyester

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KR1019930029414A KR100288053B1 (en) 1993-12-23 1993-12-23 Method for producing degradable polyester

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KR950018116A true KR950018116A (en) 1995-07-22
KR100288053B1 KR100288053B1 (en) 2001-05-02

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