KR940009256A - Polyester film - Google Patents

Polyester film Download PDF

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Publication number
KR940009256A
KR940009256A KR1019920018784A KR920018784A KR940009256A KR 940009256 A KR940009256 A KR 940009256A KR 1019920018784 A KR1019920018784 A KR 1019920018784A KR 920018784 A KR920018784 A KR 920018784A KR 940009256 A KR940009256 A KR 940009256A
Authority
KR
South Korea
Prior art keywords
weight
film
polyester
polyester film
content
Prior art date
Application number
KR1019920018784A
Other languages
Korean (ko)
Other versions
KR950013688B1 (en
Inventor
송광진
김용원
Original Assignee
최준식
주식회사 에스·케이·씨
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 최준식, 주식회사 에스·케이·씨 filed Critical 최준식
Priority to KR1019920018784A priority Critical patent/KR950013688B1/en
Priority to JP5256156A priority patent/JPH06206266A/en
Publication of KR940009256A publication Critical patent/KR940009256A/en
Application granted granted Critical
Publication of KR950013688B1 publication Critical patent/KR950013688B1/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
    • 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
    • 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
    • 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
    • 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

본 발명은 폴리에스테르 필름에 산화 방지제와 불활성 입자를 첨가하고 제조공정을 제어하여 말단 카르복실기와 환상 삼량체의 함량을 저하시킴으로서, 내열성 뿐 아니라 전기 절연성, 내마모성, 표면 특성 및 내전압 결함 등을 개선한 폴리에스테르 필름에 관한 것으로서, 필름 구성 성분의 70중량% 이상이 폴리에틸렌 테레프탈레이트인 폴리에스테르로 제조된 필름에 있어서, 산화방지제 0.01 내지 3.0중량% 및 평균 입경 0.01 내지 5um의 불활성 입자 0.01 내지 5.0중량%를 포함하고, 에틸렌테레프탈레이트 환상삼량체의 함량이 0.7중량%인 것을 특징으로 하는 적어도 일측 배향된 본 발명의 폴리에스테르 필름은 전기절연용, 마그네틱용 및 포장용 등에 적합하며, 그밖에도 콘덴서용, 그래픽용 및 일반 산업분야에 다양하게 이용할 수 있다.The present invention is to reduce the content of terminal carboxyl groups and cyclic trimers by adding antioxidants and inert particles to the polyester film and controlling the manufacturing process, thereby improving the heat resistance as well as the electrical insulation, abrasion resistance, surface properties and withstand voltage defects. Regarding an ester film, in a film made of polyester wherein at least 70% by weight of the film constituents are polyethylene terephthalate, 0.01 to 3.0% by weight of the antioxidant and 0.01 to 5.0% by weight of inert particles having an average particle diameter of 0.01 to 5 um At least one oriented polyester film of the present invention, characterized in that the content of ethylene terephthalate cyclic trimer is 0.7% by weight, suitable for electrical insulation, magnetic and packaging, etc. And various general industrial fields.

Description

폴리에스테르 필름Polyester film

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

Claims (3)

필름 구성 성분의 70중량% 이상이 폴리에틸렌 테레프탈레이트인 폴리에스테르로 제조된 필름에 있어서, 산화방지제 0.01 내지 3.0중량% 및 평균 입경 0.01 내지 5um의 불활성 입자 0.01 내지 5.0중량%를 포함하고, 에틸렌테레프탈레이트 환상삼량체의 함량이 0.7중량%인 것을 특징으로 하는 적어도 일측 배향된 폴리에스테르 필름A film made of polyester, wherein at least 70% by weight of the film constituents is polyethylene terephthalate, comprising 0.01 to 3.0% by weight of antioxidant and 0.01 to 5.0% by weight of inert particles having an average particle diameter of 0.01 to 5 μm, wherein ethylene terephthalate At least one oriented polyester film, characterized in that the content of the cyclic trimer is 0.7% by weight 제1항에 있어서, 상기 폴리에스테르 필름이 다음 식(1), (2)를 동시에 만족하는 것을 특징으로 하는 폴리에스테르 필름.The polyester film according to claim 1, wherein the polyester film satisfies the following formulas (1) and (2) simultaneously. 상기식에서 [COOH]는 폴리에스테르의 말단 카르복실기 함량(meq/106)이며, [IV]는 필름의 극한 정도(dl/g)이고 [C3]는 필름 내에 함유도니 에틸렌테레프탈레이트 환상삼량체의 함량(중량%)이다.Where [COOH] is the terminal carboxyl group content (meq / 10 6 ) of the polyester, [IV] is the limit of the film (dl / g) and [C 3 ] is contained in the film. Content (% by weight). 제1항 또는 제2항에 있어서, 상기 폴리에스테르 필름의 극한 점도가 0.5 내지 1.0dl/g인 것을 특징으로 하는 폴리에스테르 필름.The polyester film according to claim 1 or 2, wherein the intrinsic viscosity of the polyester film is 0.5 to 1.0 dl / g. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920018784A 1992-10-13 1992-10-13 Polyester film KR950013688B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019920018784A KR950013688B1 (en) 1992-10-13 1992-10-13 Polyester film
JP5256156A JPH06206266A (en) 1992-10-13 1993-10-13 Polyester film and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920018784A KR950013688B1 (en) 1992-10-13 1992-10-13 Polyester film

Publications (2)

Publication Number Publication Date
KR940009256A true KR940009256A (en) 1994-05-20
KR950013688B1 KR950013688B1 (en) 1995-11-13

Family

ID=19341063

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920018784A KR950013688B1 (en) 1992-10-13 1992-10-13 Polyester film

Country Status (2)

Country Link
JP (1) JPH06206266A (en)
KR (1) KR950013688B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4792614B2 (en) * 1999-11-16 2011-10-12 東洋紡績株式会社 Easy adhesive film for optics
TW555780B (en) * 2001-03-19 2003-10-01 Nanya Plastics Corp Manufacturing method of reducing cyclic oligomer content in polyester
CN108929237A (en) * 2018-06-25 2018-12-04 山东省临沂市三丰化工有限公司 A kind of new liquid antioxidant and preparation method thereof
JPWO2021210488A1 (en) * 2020-04-15 2021-10-21

Also Published As

Publication number Publication date
JPH06206266A (en) 1994-07-26
KR950013688B1 (en) 1995-11-13

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