Patent ID: 8859665
Filing Date: 2014-10-14
Classification: C08J,C08K

Abstract:
1. A molded portable electronic device housing comprising a polyamide composition comprising a melt-mixed blend of (A) at least one thermoplastic polyamide and (B) at least one fibrous reinforcing agent having a non-circular cross section, wherein said at least one fibrous reinforcing agent comprises glass fiber; wherein said thermoplastic polyamide consist essentially of a polyamide selected from the group consisting of polyamide 10,10; polyamide 10,12; polyamide 10,13; polyamide 10,14; polyamide 12,10; polyamide 12,12; polyamide 12,13; and polyamide 12,14; said polyamide composition has a Notched Charpy impact strength of at least 12 kJ/m 2 , measured according to ISO 179 using test specimens prepared according to ISO 179-1/1eA; and said portable electronic device housing having a warpage of less than about 0.45, wherein the warpage is the absolute value of the percent shrinkage of said portable electronic device housing in a cross-flow direction minus the percent shrinkage in a flow direction upon molding.