KR970070058A - 자기(磁氣)기록매체용 이축배향 폴리에스테르 필름 - Google Patents

자기(磁氣)기록매체용 이축배향 폴리에스테르 필름 Download PDF

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Publication number
KR970070058A
KR970070058A KR1019960012206A KR19960012206A KR970070058A KR 970070058 A KR970070058 A KR 970070058A KR 1019960012206 A KR1019960012206 A KR 1019960012206A KR 19960012206 A KR19960012206 A KR 19960012206A KR 970070058 A KR970070058 A KR 970070058A
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KR
South Korea
Prior art keywords
biaxially oriented
oriented polyester
magnetic recording
polyester film
recording medium
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Application number
KR1019960012206A
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English (en)
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KR0167131B1 (ko
Inventor
임대우
김정락
이병철
김학진
장지환
박영돈
권정민
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박홍기
제일합섬 주식회사
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Priority to KR1019960012206A priority Critical patent/KR0167131B1/ko
Publication of KR970070058A publication Critical patent/KR970070058A/ko
Application granted granted Critical
Publication of KR0167131B1 publication Critical patent/KR0167131B1/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
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

본 발명의 자기기록매체용 이축배향 폴리에스테르 베이스 필름에 관한 것으로서 적정한 경도와 낮은 용융비저항값을 가지는 알루미늄 실리케이트입자를 사용하여 압출시 용융물이 캐스팅 드럼과의 밀착성을 향상시키고 우수한 주행성과 내마모성을 갖는 자기기록매체용 이축배향 폴리에스테르 필름을 제공케 되는 것으로 그 기술 구성은 평균입경이 0.005 내지 1㎛인 알루미늄 실리케이트(SiO2-Al2O3-Na2O) 입자를 0.03 내지 1.0중량% 함유하고, 평균 입경이 0.3 내지 1.2㎛인 무기입자를 0.15 내지 0.8중량% 함유함을 특징으로 하는 자기기록매체용 이축배향 폴리에스테르 필름에 관한 것이다.

Description

자기(磁氣)기록매체용 이축배향 폴리에스테르 필름
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 필름의 주행성, 내마모성, 내스크래치성을 평가하는 장치인 주행계의 개략도이다.

Claims (3)

  1. 평균입경이 0.005 내지 1㎛인 알루미늄 실리케이트(SiO2-Al2O3-Na2O) 입자를 0.03 내지 1.0중량% 함유하고, 평균 입경이 0.3 내지 1.2㎛인 무기입자를 0.15 내지 0.8중량% 함유함을 특징으로 하는 자기기록매체용 이축배향 폴리에스테르 필름.
  2. 제1항에 있어서, 알루미늄 실리케이트 입자는 그 구성 성분으로서 알루미늄이 25~70중량% 이상이고 나트륨이 10중량% 이상임을 특징으로 하는 자기기록매체용 이축배향 폴리에스테르 필름.
  3. 제1항에 있어서, 무기입자는 탄산칼슘, 실리카중 1종 또는 2종으로 구성됨을 특징으로 하는 자기기록매체용 이축배향 폴리에스테르 필름.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960012206A 1996-04-22 1996-04-22 자기기록매체용 이축배향 폴리에스테르 필름 KR0167131B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960012206A KR0167131B1 (ko) 1996-04-22 1996-04-22 자기기록매체용 이축배향 폴리에스테르 필름

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960012206A KR0167131B1 (ko) 1996-04-22 1996-04-22 자기기록매체용 이축배향 폴리에스테르 필름

Publications (2)

Publication Number Publication Date
KR970070058A true KR970070058A (ko) 1997-11-07
KR0167131B1 KR0167131B1 (ko) 1999-03-20

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KR1019960012206A KR0167131B1 (ko) 1996-04-22 1996-04-22 자기기록매체용 이축배향 폴리에스테르 필름

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KR (1) KR0167131B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100537098B1 (ko) * 1998-11-17 2006-03-09 주식회사 코오롱 폴리에스테르 필름

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100381261B1 (ko) * 1999-12-20 2003-04-23 주식회사 코오롱 필름 제조용 폴리에스테르 조성물

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100537098B1 (ko) * 1998-11-17 2006-03-09 주식회사 코오롱 폴리에스테르 필름

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