Patent ID: 7482402
Filing Date: 2009-01-27
Classification: C08F,C08J,C08K,C08L

Abstract:
1. A polypropylene resin composition comprising: (a) at least 30 wt %, based on the total weight of the composition, polypropylene based polymer, wherein said polypropylene based polymer has a melt flow rate of at least 400 g/10 minutes; (b) from 10 to 15 wt %, based on the total weight of the composition, pre-cut organic fiber chosen from polyalkylene terephalates, polyalkylene naphthalates and combinations thereof; and (c) from 5 to 40 wt %, based on the total weight of the composition, inorganic filler; wherein said composition is substantially lubricant-free; wherein an article molded from said composition has a flexural modulus of at least 300,000 psi and exhibits ductility during instrumented impact testing.