Biaxially stretched polyamide resin film

摘要

Disclosed is a polyamide resin film which has excellent dimensional stability with respect to moisture absorption, excellent mechanical characteristics and sliding properties under high temperature and high humidity conditions, and excellent handling properties. Specifically disclosed is a biaxially stretched polyamide resin film, to which 0.3-10% by weight of an inorganic material including a layered compound is added. The biaxially stretched polyamide resin film is characterized in that the layered compound is in-plane oriented, and that the film has a haze of 1.0-20%, an elastic modulus in the longitudinal direction of 1.7-3.5 GPa at a relative humidity (RH) of 35%, a surface roughness (Sa) of 0.01-0.1 μm, and a coefficient of static friction (F/B) of 0.3-1.0 at a normal stress of 0.5 N/cm2.

主权项

1. A biaxially stretched polyamide resin film containing 0.3 to 10 wt. % of an inorganic material including a layered compound and having a laminate structure of 8 or more layers in total, wherein the layered compound is in-plane oriented and the film has a haze of 1.0 to 20%, an elastic modulus in the longitudinal direction of 1.7 to 3.5 GPa at a relative humidity of 35% RH, a surface roughness (Sa) of 0.01 to 0.1 μm, and a static friction coefficient (F/B) of 0.3 to 1.0 at a normal stress of 0.5 N/cm2.