BIAXIALLY STRETCHED NYLON FILM FOR COLD MOLDING, LAMINATE FILM, AND MOLDED BODY
In a biaxially oriented nylon film for cold forming, respective tensile stresses à 0.5 in four directions of an MD direction, a TD direction, a 45-degree direction and a 135-degree direction at a time when a strain is 0.5 are each in a range from 120 MPa to 240 MPa in a stress-strain curve obtained...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | In a biaxially oriented nylon film for cold forming, respective tensile stresses à 0.5 in four directions of an MD direction, a TD direction, a 45-degree direction and a 135-degree direction at a time when a strain is 0.5 are each in a range from 120 MPa to 240 MPa in a stress-strain curve obtained through a tensile test conducted on the film under conditions comprising a sample width of 15 mm, a distance between gauge points of 50 mm and a tensile speed of 100 mm/min, and a ratio à max / à min between a maximum stress à max and a minimum stress à min of the stresses in the four directions at the time when the strain is 0.5 is 1.6 or less. |
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