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KR950023663A - Method of producing biodegradable polyester - Google Patents

Method of producing biodegradable polyester Download PDF

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Publication number
KR950023663A
KR950023663A KR1019940001243A KR19940001243A KR950023663A KR 950023663 A KR950023663 A KR 950023663A KR 1019940001243 A KR1019940001243 A KR 1019940001243A KR 19940001243 A KR19940001243 A KR 19940001243A KR 950023663 A KR950023663 A KR 950023663A
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KR
South Korea
Prior art keywords
molecular weight
polyester
diisocyanate
producing
group
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KR1019940001243A
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Korean (ko)
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KR0132155B1 (en
Inventor
우성일
장호남
김봉오
전해상
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천성순
한국과학기술원
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Priority to KR1019940001243A priority Critical patent/KR0132155B1/en
Publication of KR950023663A publication Critical patent/KR950023663A/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
    • 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
    • C08G63/08—Lactones or lactides
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/07—Aldehydes; Ketones
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/092—Polycarboxylic 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
    • C08G2230/00—Compositions for preparing biodegradable 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)
  • Polyesters Or Polycarbonates (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

본 발명은 생분해성을 갖는 폴리에스터의 제조방법을 제공한다. 좀 더 구체적으로, 본 발명은 젖산(락트산)을 주 반복단위로 하는 수평균분자량 10,000 이하의 저분자량 폴리에스터를 디이소시아네이트, 아실 디클로라이드, 디언하이드라이드, 디에폭사이드 또는 헤테로사이클릭 화합물 등의 사슬확장제와 반응시켜 수평균분자량 10,000 이상인 생분해성 폴리에스터를 제조하는 방법을 제공한다. 본 발명의 제조방법에 의하면, 생분해성 및 성형성 등 제반 물성이 매우 우수하고, 수평균분자량 10,000 이상의 고분자량을 지닌 생분해성 폴리에스터를 제조할 수 있다.The present invention provides a method for producing a biodegradable polyester. More specifically, the present invention relates to a low molecular weight polyester having a number average molecular weight of 10,000 or less having lactic acid (lactic acid) as a main repeating unit, such as diisocyanate, acyl dichloride, dianhydride, diepoxide or heterocyclic compound. It provides a method for producing a biodegradable polyester having a number average molecular weight of 10,000 or more by reacting with a chain extender. According to the production method of the present invention, biodegradable polyester having very high physical properties such as biodegradability and moldability and having a high molecular weight of 10,000 or more in number average molecular weight can be prepared.

Description

생분해성 폴리에스터의 제조방법Method of producing biodegradable polyester

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

Claims (13)

젖산을 주 반복단위로 갖고 말단기가 히드록실기 및 카르복실기로 구성된 수평균분자량 10,000 이하의 저분자량 폴리에스터에 전기 폴리에스터의 용융온도 이상에서 사슬확장제를 투입하고, 반응시키는 공정을 포함하는 수평균분자량 10,000 이상인 생분해성 폴리에스터의 제조방법.A number average molecular weight comprising a step of injecting a chain extender above a melting temperature of an electric polyester into a low molecular weight polyester having lactic acid as a main repeating unit and having a terminal group having a hydroxyl group and a carboxyl group having an average molecular weight of 10,000 or less. Method for producing a biodegradable polyester of more than 10,000. 제1항에 있어서, 사슬확장제는 디이소시아네이트, 아실 디클로라이드, 디언하이드라이드, 디에폭사이드 및 헤테로사이클릭 화합물로 구성된 그룹으로 부터 선택되는 1종 이상임을 특징으로 하는 생분해성 폴리에스터의 제조방법.The method of claim 1, wherein the chain extender is at least one member selected from the group consisting of diisocyanate, acyl dichloride, dianhydride, diepoxide and heterocyclic compound. 제2항에 있어서, 디이소시아네이트는 톨루엔-2, 4-디이소시아네이트(TDI), 메틸렌 비스(4-페닐이소시아네이트)(MDI), 헥사메틸렌 디이소시아네이트(HDI), 1, 3,-디페닐 디이소시아네이트, 1, 6-나프틸렌 디이소시아네이트, 크실렌 디이소시아네이트, 1, 4-디이소시아나토부탄, 1, 12-디이소시아나토도데칸 및 1, 5-디이소시아나토-2-메틸펜탄 등으로 구성된 그룹으로 부터 선택된 1종 이상임을 특징으로 하는 생분해서 폴리에스터의 제조방법.The diisocyanate of claim 2, wherein the diisocyanate is toluene-2, 4-diisocyanate (TDI), methylene bis (4-phenylisocyanate) (MDI), hexamethylene diisocyanate (HDI), 1, 3, -diphenyl diisocyanate , 1, 6-naphthylene diisocyanate, xylene diisocyanate, 1, 4-diisocyanatobutane, 1, 12-diisocyanatododecane and 1, 5-diisocyanato-2-methylpentane The method for producing bio-powdered polyester, characterized in that at least one selected from. 제2항에 있어서, 아실 디클로라이드는 테레프탈로일 디클로라이드, 속시닐 디클로라이드 및 아디포일 디클로라이드 등으로 구성된 그룹으로 부터 선택된 1종 이상임을 특징으로 하는 생분해서 폴리에스터의 제조방법.The method of claim 2, wherein the acyl dichloride is at least one member selected from the group consisting of terephthaloyl dichloride, soxynyl dichloride, adipoyl dichloride, and the like. 제2항에 있어서, 디언하이드라이드는 1, 2, 4, 5-벤젠테트라카복실릭 디언하이드라이드임을 특징으로 하는 생분해성 폴리에스터의 제조방법.The method of claim 2, wherein the dione hydride is 1, 2, 4, 5-benzenetetracarboxylic dione hydride. 제2항에 있어서, 디에폭사이드로는 1, 2, 3, 4-디에폭시부탄, 1, 2, 5, 6-디에폭시사이클로옥탄 및 1, 2, 7, 8-디에폭시옥탄 등으로 구성된 그룹으로부터 선택된 1종 이상임을 특징으로 하는 생분해성 폴리에스터의 제조방법.3. The diepoxide according to claim 2, wherein the diepoxide is composed of 1, 2, 3, 4-diepoxybutane, 1, 2, 5, 6-diepoxycyclooctane, 1, 2, 7, 8-diepoxyoctane and the like. Method for producing a biodegradable polyester, characterized in that at least one member selected from the group. 제2항에 있어서, 헤테로사이클릭 화합물은 2, 2-비스(2-옥사졸린)임을 특징으로 하는 생분해성 폴리에스터의 제조방법.The method of claim 2, wherein the heterocyclic compound is 2, 2-bis (2-oxazoline). 제2항에 있어서, 디이소시아네이트를 저분자량 폴리에스터의 말단 히드록실기에 대한 디이소시아네이트의 몰비가 0.1 이상 2 이하가 되도록 투입함을 특징으로 하는 생분해성 폴리에스터의 제조방법.The method for producing a biodegradable polyester according to claim 2, wherein diisocyanate is added such that the molar ratio of diisocyanate to the terminal hydroxyl group of the low molecular weight polyester is 0.1 or more and 2 or less. 제2항에 있어서, 아실 디클로라이드를 저분자량 폴리에스터의 말단 히드록실기에 대한 아실 디클로라이드의 몰비가 0.1 이상 1 이하가 되도록 투입함을 특징으로 하는 생분해성 폴리에스터의 제조방법.The method for producing a biodegradable polyester according to claim 2, wherein acyl dichloride is added so that the molar ratio of acyl dichloride to the terminal hydroxyl group of the low molecular weight polyester is 0.1 or more and 1 or less. 제2항에 있어서, 디언하이드라이드를 저분자량 폴리에스터의 말단 히드록실기에 대한 디언하이드라이드의 몰비가 0.1 이상 1 이하가 되도록 투입함을 특징으로 하는 생분해성 폴리에스터의 제조방법.The method for producing a biodegradable polyester according to claim 2, wherein the molar ratio of the dione hydride to the terminal hydroxyl group of the low molecular weight polyester is added to be 0.1 or more and 1 or less. 제2항에 있어서, 디에폭사이드를 저분자량 폴리에스터의 말단 히드록실기에 대한 디에폭사이드의 몰비가 0.1 이상 1 이하가 되도록 투입함을 특징으로 하는 생분해성 폴리에스터의 제조방법.The method for producing a biodegradable polyester according to claim 2, wherein the diepoxide is added such that the mole ratio of diepoxide to the terminal hydroxyl group of the low molecular weight polyester is 0.1 or more and 1 or less. 제2항에 있어서, 헤테로사이클릭 화합물을 저분자량 폴리에스터의 말단 카르복실기에 대한 헤테로사이클릭 화합물의 몰비가 0.1 이상 1 이하가 되도록 투입함을 특징으로 하는 생분해성 폴리에스터의 제조방법.The method for producing a biodegradable polyester according to claim 2, wherein the heterocyclic compound is added such that the molar ratio of the heterocyclic compound to the terminal carboxyl group of the low molecular weight polyester is 0.1 or more and 1 or less. 젖산을 주 반복단위로 갖고 말단기가 히드록실기 및 카르복실기로 구성된 수평균분자량 10,000 이하의 저분자량 폴리에스터에 전기 폴리에스터의 요융온도 이상에서 사슬확장제를 투입하고, 반응시켜 제조된 수평균분자량 10,000 이상의 생분해성 폴리에스터.A number average molecular weight of 10,000 or more prepared by injecting a chain extender above the melting temperature of an electric polyester into a low molecular weight polyester having a lactic acid as a main repeating unit and having a terminal group having a hydroxyl group and a carboxyl group having a mean molecular weight of 10,000 or less Biodegradable Polyester. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940001243A 1994-01-25 1994-01-25 Preparation of biodegradable polyester KR0132155B1 (en)

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KR1019940001243A KR0132155B1 (en) 1994-01-25 1994-01-25 Preparation of biodegradable polyester

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KR1019940001243A KR0132155B1 (en) 1994-01-25 1994-01-25 Preparation of biodegradable polyester

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KR950023663A true KR950023663A (en) 1995-08-18
KR0132155B1 KR0132155B1 (en) 1998-04-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120040234A (en) * 2009-07-31 2012-04-26 바스프 에스이 Method for producing spinnable and dyeable polyester fibers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120040234A (en) * 2009-07-31 2012-04-26 바스프 에스이 Method for producing spinnable and dyeable polyester fibers

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