Aromatic polyamide resin moldings, production methods...

Details Aromatic polyamide resin moldings, production methods... Aromatic polyamide resin moldings, production methods...

2008-01-29

2008-01-29

Bernatz, Kevin M. (Department: 1773)

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

C428S323000, C428S458000, C428S474400, C428S477700, C428S847800, C156S242000, C156S244240

Reissue Patent

active

RE040039

ABSTRACT:
The present invention provides aromatic polyamide resin moldings comprising at least one surface that is 1.0 nm or more in root-mean-square roughness and is 80 nm or less in 10-point average roughness, both of the roughness being as determined by atomic force microscopy, and that is 9.8 GPa or more in tensile Young's modulus at least in one direction. Such aromatic polyamide resin moldings serve effectively as material for film, film for magnetic recording medium in particular, that is highly resistant to scraping and has highly uniform surface protrusions.

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