KR960017139A - Biaxially Oriented Laminated Polyester Film - Google Patents

Biaxially Oriented Laminated Polyester Film Download PDF

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Publication number
KR960017139A
KR960017139A KR1019940029665A KR19940029665A KR960017139A KR 960017139 A KR960017139 A KR 960017139A KR 1019940029665 A KR1019940029665 A KR 1019940029665A KR 19940029665 A KR19940029665 A KR 19940029665A KR 960017139 A KR960017139 A KR 960017139A
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South Korea
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surface layer
oriented laminated
polyester film
biaxially oriented
polyester
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KR1019940029665A
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Korean (ko)
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KR100277051B1 (en
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시게요시 마스다
마사미 에쬬
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이따가끼 히로시
데이진 가부시끼가이샤
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Publication of KR960017139A publication Critical patent/KR960017139A/en
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Publication of KR100277051B1 publication Critical patent/KR100277051B1/en

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Abstract

(a1) 1∼7.9nm의 중심선 평균 조도 RaA,(b1) 15∼400nm의 10점 평균 조도 RZA, (c1) 11∼51의 RZA/RaA를 갖는 제1폴리에스테르 표면 층 및(a2) RaA보다 크고 5∼40nm의 중심선 평균 조도 RaB,(b2) 75∼600nm의 10점 평균 조도 RZB, (c2) 20 이하의 RZB/RaB를 갖는 제2폴리에스테르 표면층을 포함하고, 제1폴리에스테르 표면층과 제2폴리에스테르 표면층 사이에 하기 관계식 :(a1) a first polyester surface layer having a centerline average roughness R aA of 1 to 7.9 nm, (b1) 10 point average roughness R ZA of 15 to 400 nm, (c1) R ZA / R aA of 11 to 51, and ( a2) a second polyester surface layer having a centerline average roughness R aB of 5-40 nm greater than R aA , (b2) 10 point average roughness R ZB of 75-600 nm, and (c2) R ZB / R aB of 20 or less; And between the first polyester surface layer and the second polyester surface layer:

을 만족시키는 2축 배향 적층 폴리에스테르 필름.Biaxially-oriented laminated polyester film which satisfy | fills.

상기 2축 배향 적층 폴리에스테르 필름은 윤활성이 뛰어나고, 고속 권축성, 가공성 및 자기 필름용으로 사용되는 경우, 전자기적 특성이나 뛰어나고, 특히 자기기록매체용 기재 필름으로서 특히 유용하다.The biaxially oriented laminated polyester film is excellent in lubricity and, when used for high speed crimpability, processability and magnetic film, has excellent electromagnetic characteristics and is particularly useful as a base film for magnetic recording media.

Description

2축 배향 적층 폴리에스테르 필름Biaxially Oriented Laminated Polyester Film

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

제1도는 본 발명의 2축 배향 적층 폴리에스테르 필름의 동적 마찰 계수(μk)를 측정하는 장치를 나타낸 도면이다.1 is a view showing a device for measuring the dynamic friction coefficient (μk) of the biaxially oriented laminated polyester film of the present invention.

Claims (13)

(a1) 1∼7.9nm의 중심선 평균 조도 RaA, (b1) 15∼400nm의 10점 평균 조도 RZA, (c1) 11∼51의 RZA/RaA를 갖은 제1폴리에스테르 표면층 및(a2) RaA보다 크고 5∼40nm의 중심선 평균 조도 RaB,(b2) 75∼600nm의 10점 평균 조도 RZB,(c2) 20 이하의 RZB/RaB를 갖는 제1폴리에스테르 표면층을 포함하고. 제1폴리에스테르 표면층과 제2폴리에스테르 표면층 사이에 하기 관계식 :(a1) a first polyester surface layer having a centerline average roughness R aA of 1 to 7.9 nm, (b1) 10 point average roughness R ZA of 15 to 400 nm, (c1) R ZA / R aA of 11 to 51, and (a2) ) A first polyester surface layer having a centerline average roughness R aB of 5-40 nm greater than R aA , (b2) 10 point average roughness R ZB of 75-600 nm, (c2) R ZB / R aB of 20 or less; . The following relation between the first polyester surface layer and the second polyester surface layer: 을 만족시키는 2축 배향 적층 폴리에스테르 필름.Biaxially-oriented laminated polyester film which satisfy | fills. 제1항에 있어서, 제1폴리에스테르 표면층의 RaA가 1∼5.8nm인 2축 배향 적층 폴리에스테르 필름.The biaxially-oriented laminated polyester film of Claim 1 whose R aA of a 1st polyester surface layer is 1-5.8 nm. 제1항에 있어서, 제1폴리에스테르 표면층의 RZA가 40∼240nm인 2축 배향 적층 폴리에스테르 필름.The biaxially oriented laminated polyester film according to claim 1, wherein R ZA of the first polyester surface layer is 40 to 240 nm. 제1항에 있어서, 제1폴리에스테르 표면층의 RZA/RaA13∼30인 2축 배향 적층 폴리에스테르 필름.The biaxially oriented laminated polyester film according to claim 1, wherein the ZA / R aA 13 to 30 of the first polyester surface layer are formed. 제1항에 있어서, 제2폴리에스테르 표면층의 RaB가 RaA보다 크고, 5∼25nm인 2축 배향 적층 폴리에스테르 필름.The biaxially-oriented laminated polyester film of Claim 1 whose R aB of a 2nd polyester surface layer is larger than R aA and is 5-25 nm. 제1항에 있어서, 제2폴리에스테르 표면층의 RZB가 75∼350nm인 2축 배향 적층 폴리에스테르 필름.The biaxially oriented laminated polyester film of claim 1, wherein R ZB of the second polyester surface layer is 75 to 350 nm. 제1항에 있어서, 제2폴리에스테르 표면층의 RZB/RaB가 5∼11인 2축 배향 적층 폴리에스테르 필름.The method of claim 1 wherein the second polyester surface layer R ZB / R aB is a biaxially oriented laminated polyester film of 5-11. 제1항에 있어서, 2축 배향 적층 폴리에스테르 필름이 하기식 (1)-1으로 나타내는 제1폴리에스테르 표면층과 제2폴리에스테르 표면층 사이의 관계식을 만족시키는 2축 배향 적층 폴리에스테르 필름.The biaxially oriented laminated polyester film according to claim 1, wherein the biaxially oriented laminated polyester film satisfies the relationship between the first polyester surface layer and the second polyester surface layer represented by the following formula (1) -1. 제1항에 있어서, 2축 배향 적층 폴리에스테르 필름이 하기식(2)-1으로 나타내는 제1폴리에스테르 표면층과 제2폴리에스테르 표면층 사이의 관계식을 만족시키는 2축 배향 적층 폴리에스테르 필름.The biaxially oriented laminated polyester film according to claim 1, wherein the biaxially oriented laminated polyester film satisfies the relationship between the first polyester surface layer and the second polyester surface layer represented by the following formula (2) -1. 제1항에 있어서, 제1폴리에스테르 표면층이 평균 입경 0.01∼0.5㎛인 0.01∼1.5중량% 제1소 불활성 미립자를 함유하고, 제1소 불활성 미립자의 평균 입경보다 평균 입경이 0.1㎛ 이상 크고, 0.1∼2.5㎛인 제1대 불활성 미립자를 제1소 불활성 미립자의 1/4 이하의 양으로 함유하는 2축 배향 적층 폴리에스테프 필름.The first polyester surface layer contains 0.01 to 1.5% by weight of the first small inert fine particles having an average particle diameter of 0.01 to 0.5 µm, and has an average particle diameter of at least 0.1 µm larger than the average particle diameter of the first small inert fine particles, A biaxially oriented laminated polyester film containing the first large inert fine particles of 0.1 to 2.5 μm in an amount of 1/4 or less of the first small inert fine particles. 제1항에 있어서, 제2폴리에스테르 표면층이 평균 입경 0.3∼2㎛인 0.1∼5중량% 제2불활성 미립자를 함유하는 2축 배향 적층 폴리에스테르 필름.The biaxially oriented laminated polyester film according to claim 1, wherein the second polyester surface layer contains 0.1 to 5% by weight of the second inert fine particles having an average particle diameter of 0.3 to 2 µm. 제1항에 있어서, 제2폴리에스테르 표면층이 평균 입경 0.03∼2㎛인 0.05∼3중량% 제2소 불활성 미립자를 함유하고, 제2소 불활성 미립자의 평균 입경보다 0.1㎛ 이상 크고, 3㎛ 0.005∼2 중량% 제2대 불활성 미립자를 함유하는 2축 배향 적층 폴리에스테르 필름.The second polyester surface layer contains 0.05 to 3% by weight of the second small inert fine particles having an average particle diameter of 0.03 to 2 µm, is 0.1 µm or more larger than the average particle diameter of the second small inert fine particles, and has a thickness of 3 µm 0.005. A biaxially oriented laminated polyester film containing -2 wt% second large inert fine particles. 제1항에 정의된 2축 배향 적층 폴리에스테르 필름 및 이 2축배향 폴리에스테르 필름의 제1폴리에스테르 표면층 상에 형성된 자기 기록 층을 포함하는 자기 기록 매체.A magnetic recording medium comprising a biaxially oriented laminated polyester film as defined in claim 1 and a magnetic recording layer formed on the first polyester surface layer of the biaxially oriented polyester film. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940029665A 1994-11-11 1994-11-11 2-Axis Orientated Laminated Polyester Film KR100277051B1 (en)

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KR1019940029665A KR100277051B1 (en) 1994-11-11 1994-11-11 2-Axis Orientated Laminated Polyester Film

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Application Number Priority Date Filing Date Title
KR1019940029665A KR100277051B1 (en) 1994-11-11 1994-11-11 2-Axis Orientated Laminated Polyester Film

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KR960017139A true KR960017139A (en) 1996-06-17
KR100277051B1 KR100277051B1 (en) 2001-01-15

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