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公开(公告)号：US20220056229A1
公开(公告)日：2022-02-24
申请号：US17428781
申请日：2020-02-19
Applicant: UNITIKA LTD.
Inventor： Takashi Okabe , Nobuyasu Okumura , Masafumi Yamamoto , Kumi Ashihara , Midori Shimomura , Yoshimi Ueno
Abstract: A laminated film having a resin layer laminated on at least one surface of a base film. The laminated film is characterized by: the base film being a semi-aromatic polyamide film that has been at least uniaxially stretched; the resin layer having a thickness of 0.03 to 0.5 μm; and the close adhesion between the base film and the resin layer, according to the cross-cut method described in JIS K 5600, being 95% or more.
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公开(公告)号：US20210276316A1
公开(公告)日：2021-09-09
申请号：US16332123
申请日：2017-09-28
Applicant: UNITIKA LTD.
Inventor： Masafumi Yamamoto , Sumito Kihara , Takashi Ando
IPC: B32B27/36 , B32B27/08 , B32B27/20 , B32B7/06 , B32B7/12 , C08J5/18 , C08J3/22 , C09J7/25 , C08K7/00
Abstract: This polyester film has at least one surface constituted of a polyester film layer A, and is characterized in that: a polyester resin constituting the polyester film layer A has an inherent viscosity of 0.63 to 0.85 dl/g; the polyester film layer A contains organic particles and the surface of the polyester film layer A has an arithmetic average roughness (Ra) of a roughness curve of 0.2 to 1.0 μm, and an average length (RSm) of roughness curve elements of 10 to 250 μm.
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公开(公告)号：US20220220256A1
公开(公告)日：2022-07-14
申请号：US17610468
申请日：2020-05-13
Applicant: UNITIKA LTD.
Inventor： Takashi Okabe , Masafumi Yamamoto , Sumito Kihara
Abstract: A semi-aromatic polyamide film having a thermal shrinkage factor in the longitudinal direction of the film, SMD, of −1.0 to 1.5% and a thermal shrinkage factor in the width direction of the film, STD, of −1.0 to 1.5% as measured under the conditions of 250° C. and 5 min, a tensile breaking elongation of 70% or more in the longitudinal direction and the width direction, and a haze of 14% or less.
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