Patent ID: 7847055
Filing Date: 2010-12-07
Classification: C08G,D01D,D01F

Abstract:
1. A polyphenylene sulfide resin which is treated by thermal oxidation; having a generated gas amount of 0.23 wt % or less when the resin is heated and melted in vacuum at 320° C. for 2 hours; having a residual amount of 3.0 wt % or less when the resin is dissolved in an amount corresponding to 20 times the weight of the resin, of 1-chloronaphthalene at 250° C., taking 5 minutes and, as the 1-chloronaphthalene solution, pressure-filtered in a still hot state by a PTFE membrane filter with a pore size of 1 μm or less; and having a melt flow rate (measured at a temperature of 315.5° C. and at a load of 5000 g according to ASTM D-1238-70) of more than 100 g/10 min to 500 g/10 min.