Mineral filled copolyamide compositions

Details Mineral filled copolyamide compositions Mineral filled copolyamide compositions

C - Chemistry, Metallurgy

08

L

C08L 77/00 (2006.01) C08G 69/26 (2006.01) C08K 3/34 (2006.01) C08K 7/08 (2006.01) C08L 77/06 (2006.01)

Patent

CA 2161215

According to the present invention there is provided a polymeric composition comprising: (a) a first polyamide prepared from an aromatic carboxylic acid component and an aliphatic diamine component, the aliphatic diamine component being a mixture of hexamethylene diamine and 2-methyl 1,5-pentamethylene diamine; (b) a second polyamide selected from an aliphatic polyamide, a semiaromatic polyamide, or mixtures or blends thereof; and (c) a mineral filler. These polymeric compositions have a T g of about 117 °C or less. These compositions provide a T oc of about 145 °C to 160 °C. Molded articles made from these compositions have a good surface appearance.

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