KR910012002A - Manufacturing method of polyester film - Google Patents

Manufacturing method of polyester film Download PDF

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Publication number
KR910012002A
KR910012002A KR1019890018811A KR890018811A KR910012002A KR 910012002 A KR910012002 A KR 910012002A KR 1019890018811 A KR1019890018811 A KR 1019890018811A KR 890018811 A KR890018811 A KR 890018811A KR 910012002 A KR910012002 A KR 910012002A
Authority
KR
South Korea
Prior art keywords
ethylene glycol
polyester
polyester film
glycol
producing
Prior art date
Application number
KR1019890018811A
Other languages
Korean (ko)
Inventor
황재영
홍종표
최복돌
송기상
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 KR1019890018811A priority Critical patent/KR910012002A/en
Publication of KR910012002A publication Critical patent/KR910012002A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds

Abstract

내용 없음No content

Description

폴리에스테르 필름의 제조방법Manufacturing method of polyester film

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

Claims (3)

테레프탈산 또는 디메틸테레프탈레이트를 주된 산성분으로 하고, 에틸렌 글리콜을 주된 글리콜 성분으로하여 이루어지는 폴리에스테르에 , 평균 분자량이 500-5,000인 에틸렌 글리콜-프로필렌 글리콜-에틸렌 글리콜의 블록 공중합체을 0.3-0.5 중량% 함유시켜 폴리에스테르 칩을 제조하고, 이를 용융 압출시켜 폴리에스테르 미연신 필름을 제조한 후, 이 필름을 종방향 및 횡방향으로 2축 연신하여 2축 배향 폴리에스테르 필름을 제조하고, 이 필름을 220-245℃의 온도 범위에서 10-60초간 열처리 하는 것을 특징으로 하는 폴리에스테르 필름의 제조방법.0.3-0.5% by weight of a block copolymer of ethylene glycol-propylene glycol-ethylene glycol having an average molecular weight of 500-5,000 in a polyester comprising terephthalic acid or dimethyl terephthalate as the main acid component and ethylene glycol as the main glycol component To produce a polyester chip, melt extrusion to prepare a polyester unstretched film, and then biaxially stretch the film in the longitudinal and transverse directions to prepare a biaxially oriented polyester film. Method for producing a polyester film, characterized in that the heat treatment for 10-60 seconds in the temperature range of 245 ℃. 제1항에 있어서, 에틸렌 글리콜-프로필렌 글리콜-에틸렌 글리콜 블록 공중합체를 구성하는 폴리프로틸렌 글리콜의 평균 분자량이 200-4,000인 것을 특징으로 하는 폴리에스테르 필름의 제조방법.The method for producing a polyester film according to claim 1, wherein the average molecular weight of the polypropylene glycol constituting the ethylene glycol-propylene glycol-ethylene glycol block copolymer is 200-4,000. 제1항에 있어서, 연신온도는 70-120℃ 범위이고, 연신배율은 종, 횡방향으로 각각 2-5배인 것을 특징으로 하는 폴리에스테르 필름의 제조방법.The method for producing a polyester film according to claim 1, wherein the stretching temperature is in the range of 70-120 ° C, and the stretching ratio is 2-5 times in the longitudinal and transverse directions, respectively. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890018811A 1989-12-18 1989-12-18 Manufacturing method of polyester film KR910012002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890018811A KR910012002A (en) 1989-12-18 1989-12-18 Manufacturing method of polyester film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890018811A KR910012002A (en) 1989-12-18 1989-12-18 Manufacturing method of polyester film

Publications (1)

Publication Number Publication Date
KR910012002A true KR910012002A (en) 1991-08-07

Family

ID=67662203

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890018811A KR910012002A (en) 1989-12-18 1989-12-18 Manufacturing method of polyester film

Country Status (1)

Country Link
KR (1) KR910012002A (en)

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Legal Events

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application