KR970027142A - Manufacturing method of water-soluble copolymer polyester - Google Patents

Manufacturing method of water-soluble copolymer polyester Download PDF

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Publication number
KR970027142A
KR970027142A KR1019950042759A KR19950042759A KR970027142A KR 970027142 A KR970027142 A KR 970027142A KR 1019950042759 A KR1019950042759 A KR 1019950042759A KR 19950042759 A KR19950042759 A KR 19950042759A KR 970027142 A KR970027142 A KR 970027142A
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KR
South Korea
Prior art keywords
polyalkylene glycol
integer
following general
compound represented
transesterification reaction
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KR1019950042759A
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Korean (ko)
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KR0175432B1 (en
Inventor
임대우
백문수
최오곤
Original Assignee
박홍기
제일합섬 주식회사
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Priority to KR1019950042759A priority Critical patent/KR0175432B1/en
Publication of KR970027142A publication Critical patent/KR970027142A/en
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Publication of KR0175432B1 publication Critical patent/KR0175432B1/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
    • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
    • C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
    • 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
    • C08G63/183—Terephthalic 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
    • C08G63/78—Preparation processes
    • 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
    • C08K5/10—Esters; Ether-esters
    • 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
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond

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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)
  • Polyesters Or Polycarbonates (AREA)

Abstract

본 발명은 이용성 공중합 폴리에스텔의 제조방법에 관한 것으로, 디메틸테레프탈레이트(DMT)와 5-소디움 설포 디메틸 이소프탈레이트(DMS)를 주성분으로 하며 에틸렌글리콜(EG) 및 폴리알킬렌글리콜을 직접 에스테르 교환반응을 하여 극한 점도[η]가 0.45이상인 폴리에틸렌테레프탈레이트-소디움설포 디메틸 이소프탈레이트-폴리알킬렌글리콜 공중합체를 제조함에 있어서, 하기 일반식(I)로 표시되는 폴리알킬렌글리콜 화합물을 에스테르 교환반응 초기 또는 말기에 투입하고 산화방지제 및 소포제로 하기 일반식(II) 및 (III)으로 표현되는 화합물을 에스테르교환 반응초기 또는 말기에 첨가함으로써 제조된 공중합체는 열수 또는 알카리수의 처리에 의해 용이하게 초극세섬유 또는 이형단면사 등의 복합섬유를 제조하는데 사용된다.The present invention relates to a process for preparing water-soluble copolyester, comprising dimethyl terephthalate (DMT) and 5-sodium sulfo dimethyl isophthalate (DMS) as main components and directly transesterifying ethylene glycol (EG) and polyalkylene glycol. In preparing a polyethylene terephthalate-sodium sulfo dimethyl isophthalate-polyalkylene glycol copolymer having an intrinsic viscosity [?] Of 0.45 or more, the polyalkylene glycol compound represented by the following general formula (I) Alternatively, the copolymer prepared by adding the compound represented by the following general formulas (II) and (III) as an antioxidant and an antifoaming agent at the beginning or the end of the transesterification reaction can be easily obtained by treatment with hot or alkaline water. Or it is used to manufacture a composite fiber, such as a cross-section yarn.

(여기서, R은 수소, 메틸, 에틸 또는 페닐기이고, X는 1~30인 정수이고, Y는 1~30인 정수이다)(Wherein R is a hydrogen, methyl, ethyl or phenyl group, X is an integer from 1 to 30, and Y is an integer from 1 to 30)

Description

이용성(易溶性) 공중합 폴리에스텔의 제조방법Manufacturing method of water-soluble copolymer polyester

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

Claims (4)

디메틸테레프탈레이트와 5-소디움설포 디메틸 이소프탈레이트를 주성분으로 하며 에틸렌글리콜 및 폴리알킬렌글리콜을 직접 에스테르 교환반응을 하여 극한 점도[η]가 0.45이상인 폴리에틸렌테레프탈레이트-소디움설포 디메틸 이소프탈레이트-폴리알킬렌글리콜 공중합체를 제조함에 있어서, 하기 일반식(I)로 표시되는 폴리알킬렌그리콜 화합물, 산화방지제 및 중합반응시 나타나는 발포현상을 방지하기 위한 소포제를 첨가함을 특징으로 하는 이용성공중합 폴리에스텔의 제조방법.Polyethylene terephthalate-sodiumsulfo dimethyl isophthalate-polyalkylene having an extreme viscosity [η] of 0.45 or more through direct transesterification reaction between dimethyl terephthalate and 5-sodium sulfo dimethyl isophthalate and ethylene glycol and polyalkylene glycol. In preparing the glycol copolymer, a polyalkylene glycol compound represented by the following general formula (I), an antioxidant, and an antifoaming agent for preventing foaming phenomenon during the polymerization reaction are added. Manufacturing method. RO-(CH2CH2O)n-H (I)RO- (CH 2 CH 2 O) n -H (I) (여기에서, n은 2~22의 정수이다)Where n is an integer from 2 to 22 제1항에 있어서, 폴리알킬렌글리콜 화합물은 에스테르 교환반응 초기 또는 말기에 폴리머에 대해 0.5~8.0wt% 첨가함을 특징으로 하는 이용성공중합 폴리에스텔의 제조방법.The method of claim 1, wherein the polyalkylene glycol compound is added in an amount of 0.5 to 8.0 wt% based on the polymer at the beginning or the end of the transesterification reaction. 제1항에 있어서, 산화방지제로 하기 일반식(II)로 표현되는 화합물을 에스테르 교환반응 초기 또는 말기에 폴리머에 대해 0.001~0.50wt%를 첨가함을 특징으로 하는 이용성 공중합 폴리에스텔의 제조방법.The method for producing a usable copolymerized polyester according to claim 1, wherein 0.001 to 0.50 wt% of the compound represented by the following general formula (II) is added to the polymer at the beginning or the end of the transesterification reaction as an antioxidant. (여기에서, R은 수소, 메틸, 에틸 또는 페닐기이다)Wherein R is hydrogen, methyl, ethyl or phenyl 제1항에 있어서, 소포제로 하기 일반식(III)으로 표현되는 화합물을 에스테르 교환반응 초기 또는 말기에 폴리머에 대해 0.01~0.50wt%를 첨가함을 특징으로 하는 이용성공중합 폴리에스텔의 제조방법The method for producing a usable copolymerized polyester according to claim 1, wherein 0.01 to 0.50 wt% of the compound represented by the following general formula (III) is added to the polymer at the beginning or the end of the transesterification reaction. (여기에서, R은 수소, 메틸, 에틸 또는 페닐기이고, X는 1~30인 정수이고, Y는 1~30인 정수이다)(Wherein R is a hydrogen, methyl, ethyl or phenyl group, X is an integer from 1 to 30, and Y is an integer from 1 to 30) ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950042759A 1995-11-22 1995-11-22 Process for preparing water-soluble copolyester KR0175432B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950042759A KR0175432B1 (en) 1995-11-22 1995-11-22 Process for preparing water-soluble copolyester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950042759A KR0175432B1 (en) 1995-11-22 1995-11-22 Process for preparing water-soluble copolyester

Publications (2)

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KR970027142A true KR970027142A (en) 1997-06-24
KR0175432B1 KR0175432B1 (en) 1999-04-01

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100616188B1 (en) * 2000-07-26 2006-08-25 주식회사 휴비스 Polyester copolymer and preparation thereof
KR100373884B1 (en) * 2000-09-01 2003-02-26 박우현 A process of preparing for water dispersive polyester resin
KR20030024191A (en) * 2001-09-17 2003-03-26 주식회사 효성 Alkali soluble copolyester for composite fibre and its manufacturing method
WO2008090566A2 (en) 2007-01-23 2008-07-31 Reliance Industries Ltd. Easily alkali soluble polyester and method for producing the same
KR101341322B1 (en) * 2013-08-13 2013-12-13 성안합섬주식회사 Fiber for secondary batteries and separator for secondary batteries comprising the same

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