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BIAXIALLY STRETCHED NYLON FILM, LAMINATED FILM, LAMINATED PACKAGING MATERIAL, BATTERY, AND METHOD FOR PRODUCING BIAXIALLY STRETCHED NYLON FILM
BIAXIALLY STRETCHED NYLON FILM, LAMINATED FILM, LAMINATED PACKAGING MATERIAL, BATTERY, AND METHOD FOR PRODUCING BIAXIALLY STRETCHED NYLON FILM
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机译:双轴拉伸尼龙膜,层压膜,层压包装材料,电池以及制备双轴拉伸尼龙膜的方法
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摘要
PROBLEM TO BE SOLVED: To provide a method for producing a biaxially stretched nylon film having excellent deep drawing molding property at cold molding.;SOLUTION: There is provided a biaxially stretched nylon film using a nylon resin as a raw material, wherein when, among the three-dimensional refractive indices of the film, the maximum refractive index in the plane of the film is defined as Nx, the minimum refractive index in the plane of the film is defined as Ny and the refractive index value in the thickness direction of the film is defined as Nz, a plane orientation degree (P) satisfies the conditions expressed by the following mathematical formula (F1): P=(Nx+Ny)/2-Nz≥0.042 (F1).;COPYRIGHT: (C)2015,JPO&INPIT
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