KR950018156A - Production method of polyester - Google Patents

Production method of polyester Download PDF

Info

Publication number
KR950018156A
KR950018156A KR1019930031500A KR930031500A KR950018156A KR 950018156 A KR950018156 A KR 950018156A KR 1019930031500 A KR1019930031500 A KR 1019930031500A KR 930031500 A KR930031500 A KR 930031500A KR 950018156 A KR950018156 A KR 950018156A
Authority
KR
South Korea
Prior art keywords
antimony
polyester
producing
antimony compound
polycondensation catalyst
Prior art date
Application number
KR1019930031500A
Other languages
Korean (ko)
Other versions
KR970009427B1 (en
Inventor
박상봉
최우
이병일
Original Assignee
하기주
주식회사 코오롱
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 하기주, 주식회사 코오롱 filed Critical 하기주
Priority to KR93031500A priority Critical patent/KR970009427B1/en
Priority to US08/356,717 priority patent/US5478911A/en
Priority to JP6329122A priority patent/JP2541792B2/en
Publication of KR950018156A publication Critical patent/KR950018156A/en
Application granted granted Critical
Publication of KR970009427B1 publication Critical patent/KR970009427B1/en

Links

Classifications

    • 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
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
    • C08G63/86—Germanium, antimony, or compounds thereof
    • C08G63/866—Antimony or compounds thereof
    • 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
    • C08G63/181—Acids containing aromatic rings

Landscapes

  • 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

본 발명은 방향족 디카르복실산의 글리콜에스테르 및/또는 이의 저분자량 축합물을 중축합시켜 선형의 폴리에스테르를 제조함에 있어서, 트리멜리트산무수물과 탄소원자수 1∼18개인 알코올의 반응생성물을 염기로 처리하여 얻은 주성분이 1-알콕시카르보닐-2, 4-벤젠디카르복실산염과 2-알콕시카르보닐-1, 4-벤젠디카르복실산염인 혼합물과 할로겐화 안티몬, 안티몬카르복실산염, 안티몬알콕사이드 등의 안티몬화합물과의 반응으로부터 얻어지는 예조 안티몬화합물을 중축합촉매로 이용하여 말단카르복실 및 디에틸렌글리콜 함량이 낮으면서 우수한 색상 및 고융점을 가지는 고품질의 폴리에틸렌레프탈레이트를 짧은 반응시간 동안에 얻는 제조방법에 관한 것이다.The present invention is to prepare a linear polyester by polycondensing a glycol ester of an aromatic dicarboxylic acid and / or a low molecular weight condensate thereof, wherein the reaction product of trimellitic anhydride and an alcohol having 1 to 18 carbon atoms is used as a base. The main component obtained by the treatment is a mixture of 1-alkoxycarbonyl-2, 4-benzenedicarboxylate, 2-alkoxycarbonyl-1, 4-benzenedicarboxylate, halogenated antimony, antimony carboxylate, antimony alkoxide, etc. The preparative antimony compound obtained from the reaction with the antimony compound was used as a polycondensation catalyst to obtain a high quality polyethylene lephthalate with low terminal carboxyl and diethylene glycol content with high color and high melting point in a short reaction time. It is about.

Description

폴리에스테르의 제조방법Production method of polyester

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

Claims (7)

방향족 디카르복실산의 글리콜에스테르 및/또는 이들의 저분자량 축합물을 중축합촉매 존재하에서 반응중 생성되는 글리콜을 제거하면서 중축합하여 선형의 고분자량의 폴리에스테르를 제조함에 있어서, 안티몬화합물과 다음 구조식(Ⅱ)로 표시되는 에스테르화한 트리멜리트산염과의 반응으로부터 얻어지는 예조 안티몬화합물을 중축합촉매로 사용하는 것을 특징으로 하는 폴리에스테르의 제조방법.In the preparation of linear high molecular weight polyesters by polycondensation of glycol esters of aromatic dicarboxylic acids and / or low molecular weight condensates thereof in the presence of a polycondensation catalyst in the presence of a polycondensation catalyst, an antimony compound and the following structural formula A method for producing a polyester, characterized in that a precondensed antimony compound obtained from the reaction with an esterified trimellitate salt represented by (II) is used as a polycondensation catalyst. 상기 식에서 M+는 알칼리금속 또는 암모늄, M++는 알칼리토금속, R은 탄소수 1∼18의 알킬기이다.Wherein M + is an alkali metal or ammonium, M ++ is an alkaline earth metal, and R is an alkyl group having 1 to 18 carbon atoms. 제1항에 있어서, 상기 안티몬화합물은 할로겐화 안티몬, 안티몬카르복실산염, 또는 안티몬알콕사이드임을 특징으로 하는 폴리에스테르의 제조방법.The method of claim 1, wherein the antimony compound is a halogenated antimony, antimony carboxylate, or antimony alkoxide. 제1항에 있어서, 상기 에스테르화한 트리멜리트산염은 트리멜리트산무수물과 탄소원자수 1∼18개의 알코올을 반응시킨 후 연속해서 유기아민염기, 혹은 알칼리 또는 알칼리토금속의 금속수산화물 염기를 처리하여 얻은 것임을 특징으로 하는 폴리에스테르의 제조방법.The esterified trimellitate is obtained by reacting trimellitic anhydride with an alcohol having 1 to 18 carbon atoms and subsequently treating an organic amine base or a metal hydroxide base of an alkali or alkaline earth metal. Method for producing a polyester, characterized in that. 제2항에 있어서, 상기 할로겐화 안티몬은 삼염화안티몬 또는 삼브롬화안티몬임을 특징으로 하는 폴리에스테르의 제조방법.3. The method of claim 2, wherein the antimony halide is antimony trichloride or antimony tribromide. 제3항에 있어서, 상기 알코올은 메탄올 또는 에탄올임을 특징으로 하는 폴리에스테르의 제조방법.The method of claim 3, wherein the alcohol is methanol or ethanol. 제1항에 있어서, 상기 안티몬화합물을 트리멜리트산무수물 1몰에 대하여 0.25∼1몰비로 반응시켜서 예조 안티몬화합물을 얻는 것을 특징으로 하는 폴리에스테르의 제조방법.The method for producing a polyester according to claim 1, wherein the antimony compound is reacted with a molar ratio of 0.25-1 mole to 1 mole of trimellitic anhydride. 제1항에 있어서, 예조 안티몬화합물을 촉매로 사용함에 있어서 최종적으로 얻어지는 폴리에스테르에 대하여 안티몬금속함량이 80∼1,000ppm이 되도록 하는 것을 특징으로 하는 폴리에스테르의 제조방법.The method for producing a polyester according to claim 1, wherein the antimony metal content is 80 to 1,000 ppm with respect to the polyester finally obtained in using the preliminary antimony compound as a catalyst. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR93031500A 1993-12-30 1993-12-30 Process for the polyester KR970009427B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR93031500A KR970009427B1 (en) 1993-12-30 1993-12-30 Process for the polyester
US08/356,717 US5478911A (en) 1993-12-30 1994-12-15 Process for the preparation of a polyester using an antimony-esterified trimellitate catalyst
JP6329122A JP2541792B2 (en) 1993-12-30 1994-12-28 Method for producing polyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR93031500A KR970009427B1 (en) 1993-12-30 1993-12-30 Process for the polyester

Publications (2)

Publication Number Publication Date
KR950018156A true KR950018156A (en) 1995-07-22
KR970009427B1 KR970009427B1 (en) 1997-06-13

Family

ID=19374482

Family Applications (1)

Application Number Title Priority Date Filing Date
KR93031500A KR970009427B1 (en) 1993-12-30 1993-12-30 Process for the polyester

Country Status (1)

Country Link
KR (1) KR970009427B1 (en)

Also Published As

Publication number Publication date
KR970009427B1 (en) 1997-06-13

Similar Documents

Publication Publication Date Title
KR100567476B1 (en) Process for preparing ester and catalyst composition used in the reaction
KR890015073A (en) Crosslinked Polyester For Toner And Method Of Making The Same
ATE33140T1 (en) PROCESS FOR PRODUCTION OF AROMATIC POLYESTER.
GB1514275A (en) Continuous manufacture of linear polyesters
KR970015625A (en) Process for producing polyester film containing partially esterified trimellitate
KR920701299A (en) Polyethylene phthalate or polyethylene naphthalate is produced
US3053783A (en) Water soluble polyesters of benzene polycarboxylic acids
GB1264897A (en)
KR950018156A (en) Production method of polyester
GB1499138A (en) Anionic sulphonated polyesters process for their manufacture and their use as dispersants
KR950018157A (en) Production method of polyester
US2720503A (en) Organo-magnesium halide catalysts for the preparation of polyesters
KR950032366A (en) Production method of polyester
KR950032367A (en) Production method of polyester
GB1464485A (en) Process for producing polyesters
US3418360A (en) Esterification in the presence of alkanoic acid amides
US2720505A (en) Tetra-alkyl lead catalysts for the preparation of polyesters
US3813416A (en) Substituted gamma-butyrolactones derived from c16 and greater unsaturated acids
KR970015626A (en) Process for preparing polyester polymer
KR100322956B1 (en) Manufacturing method of thermoplastic polyester with low terminal carboxyl group content
US3734892A (en) Esterification of terephthalic acid with an alkylene glycol in the presence of an alkaline salt of a glycine compound
KR102576090B1 (en) Process for producing bis-hydroxyalkylene dicarboxylates
US2891928A (en) Magnesium and iodine catalysts for polyester preparation
US4200732A (en) Process for preparing very viscous heat stable poly(butylene terephthalate)
KR0151614B1 (en) Process for preparing polyester resin using modified poly alcohol

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20030701

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee