KR910018452A - 폴리에스테르 필름의 제조방법 - Google Patents

폴리에스테르 필름의 제조방법 Download PDF

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Publication number
KR910018452A
KR910018452A KR1019900005185A KR900005185A KR910018452A KR 910018452 A KR910018452 A KR 910018452A KR 1019900005185 A KR1019900005185 A KR 1019900005185A KR 900005185 A KR900005185 A KR 900005185A KR 910018452 A KR910018452 A KR 910018452A
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KR
South Korea
Prior art keywords
weight
particles
particle
polyester film
less
Prior art date
Application number
KR1019900005185A
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English (en)
Other versions
KR0136578B1 (ko
Inventor
정종구
신휘철
정은조
Original Assignee
공정곤
동양나이론 주식회사
배도
동양 폴리에스터 주식회사
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.)
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Application filed by 공정곤, 동양나이론 주식회사, 배도, 동양 폴리에스터 주식회사 filed Critical 공정곤
Priority to KR1019900005185A priority Critical patent/KR0136578B1/ko
Publication of KR910018452A publication Critical patent/KR910018452A/ko
Application granted granted Critical
Publication of KR0136578B1 publication Critical patent/KR0136578B1/ko

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    • 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
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • 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
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/005—Additives being defined by their particle size in general

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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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

내용 없음

Description

폴리에스테르 필름의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (2)

  1. 자기 기록 매체에 적용가능한 폴리에스테르 베이스 필름을 제조함에 있어서, 외부 입자 투입 방법에 있어 2 종류의 입자를 혼합하여 투입하되 입자 A의 형상비는 1 내지 0.8, 입자 B의 형상비는 0.8 내지 0.67이 되게 하고, A, B 각 입자의 입도 분포가 다음과 같은 조건을 갖도록 한것을 특징으로 하는 폴리에스테르 필름의 제조방법. (가) 0.5D 이하 : 1중량% 이하 (나) 0.5 내지 0.8D : 10내지 30 중량% (다) 0.8 내지 1.2 : 40내지 80중량% (라) 1.2 내지 1.5D : 10내지 30 중량% (마) 1.5D 이상 : 0.1 중량% 이하 상기조건에서, D는 중량 누적 분포에서 50%가 되는 중량 평균 입경이다.
  2. 제1항에 있어서, 상기 입자 A와 입자 B를 에틸렌 글리콜에 각각 또는 함께 혼합하여 중합시 투입하되 투입되는 B 입자의 함량(WB)은 20 내지 30%(WA+WB=100%)가 되도록 한 것을 특징으로 하는 폴리에스테르 필름의 제조방법
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900005185A 1990-04-14 1990-04-14 폴리에스테르 필름의 제조 방법 KR0136578B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900005185A KR0136578B1 (ko) 1990-04-14 1990-04-14 폴리에스테르 필름의 제조 방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900005185A KR0136578B1 (ko) 1990-04-14 1990-04-14 폴리에스테르 필름의 제조 방법

Publications (2)

Publication Number Publication Date
KR910018452A true KR910018452A (ko) 1991-11-30
KR0136578B1 KR0136578B1 (ko) 1998-04-25

Family

ID=19298008

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900005185A KR0136578B1 (ko) 1990-04-14 1990-04-14 폴리에스테르 필름의 제조 방법

Country Status (1)

Country Link
KR (1) KR0136578B1 (ko)

Also Published As

Publication number Publication date
KR0136578B1 (ko) 1998-04-25

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