HEAT RESISTANT TOUGHENED THERMOPLASTIC COMPOSITION FOR INJECTION MOLDING

摘要

Injection molded parts with a small dimension that exhibit high heat resistance are described. Thermoplastic compositions that can be utilized to form the injection molded parts are described. The thermoplastic composition includes a polyarylene sulfide and a crosslinked impact modifier. The thermoplastic composition can also include siloxane polymers, thermoplastic elastomers, or other additives that can further improve the characteristics of the injection molded parts.

主权项

1. An injection molded part having a thickness of about 100 millimeters or less, the injection molded part being formed from a thermoplastic composition that includes a polyarylene sulfide and a crosslinked impact modifier, the injection molded part exhibiting a notched Charpy impact strength of about 3 kJ/m2 or greater as measured according to ISO Test No. 179-1 at a temperature of 23° C., the injection molded part exhibiting about 60% or more strength retention following heat aging at 165° C. for 1000 hours.