Colourless and transparent, amorphously processable...

Details Colourless and transparent, amorphously processable... Colourless and transparent, amorphously processable...

C - Chemistry, Metallurgy

08

G

C08G 69/26 (2006.01) C08G 69/28 (2006.01)

Patent

CA 2120417

Abstract: Colourless and transparent, amorphously processable polyamide moulding composition are disclosed. The compositions, which have a good resistance to stress cracking and good impact strength and are resistant to alcohols, esters, ketones, fuels and boiling water comprise I) aliphatic dicarboxylic acids, IIa) 35-60 mol% of trans,trans-bis(4-aminocyclohexyl)methane, and IIb) 65-40 mol% of other aliphatic, cycloaliphatic, araliphatic or aromatic diamines. The ratio of components I and II remains in the range from 0.95:1 to 1.05:1, preferably 0.98:1 to 1.02:1. The polyamide moulding compositions of the invention are particularly suitable for use for spectacle frames, apparatus inspection windows and covers and lamp covers.

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