KR920012212A - 자기기록 매체용 폴리에스테르 베이스필름의 제조방법 - Google Patents
자기기록 매체용 폴리에스테르 베이스필름의 제조방법 Download PDFInfo
- Publication number
- KR920012212A KR920012212A KR1019900021989A KR900021989A KR920012212A KR 920012212 A KR920012212 A KR 920012212A KR 1019900021989 A KR1019900021989 A KR 1019900021989A KR 900021989 A KR900021989 A KR 900021989A KR 920012212 A KR920012212 A KR 920012212A
- Authority
- KR
- South Korea
- Prior art keywords
- base film
- polyester base
- film
- inert inorganic
- recording medium
- Prior art date
Links
Classifications
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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
Landscapes
- 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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- 폴리에스테르와 불활성 무기 미립자가 주된 조성물로 구성되는 자기기록 메체용 폴리에스테르 베이스필름을 제조함에 있어서, 평균입경치 D(μm)가 0.6 내지 1.2인 불활성 무기미립자를 함유하며 이 불활성 무기미립자의 평균입경치D(μm)와 필름의 표면 평균조도치 SRa(nm)이 다음 관계식(1)을 만족하고, 동시에 SRa와 필름의 표면돌기높이의 평균치 Pm(nm)이 다음 관계식(2)를 만족하며, 불활성 무기미립자 함유량 ø(폴리머에 대한 중량%)와 필름의 동마찰계수, μk의 곱 ø. uk가 0.13이하임을 특징으로 하는 폴리에스테르 베이스필름의 제조방법.0.005D≤SRa≤0.03D (1)4SRa≤Pm≤10SRa (2)※ 참고사항 ： 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900021989A KR940000415B1 (ko) | 1990-12-27 | 1990-12-27 | 자기기록 매체용 폴리에스테르 베이스필름의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900021989A KR940000415B1 (ko) | 1990-12-27 | 1990-12-27 | 자기기록 매체용 폴리에스테르 베이스필름의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920012212A true KR920012212A (ko) | 1992-07-25 |
| KR940000415B1 KR940000415B1 (ko) | 1994-01-20 |
Family
ID=19308628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900021989A KR940000415B1 (ko) | 1990-12-27 | 1990-12-27 | 자기기록 매체용 폴리에스테르 베이스필름의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR940000415B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100537098B1 (ko) * | 1998-11-17 | 2006-03-09 | 주식회사 코오롱 | 폴리에스테르 필름 |
-
1990
- 1990-12-27 KR KR1019900021989A patent/KR940000415B1/ko not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100537098B1 (ko) * | 1998-11-17 | 2006-03-09 | 주식회사 코오롱 | 폴리에스테르 필름 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR940000415B1 (ko) | 1994-01-20 |
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| Date | Code | Title | Description |
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| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20031203 Year of fee payment: 11 |
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| LAPS | Lapse due to unpaid annual fee |