Patent ID: 7368061
Filing Date: 2008-05-06
Classification: B29C,B29K,C08J,Y02W

Abstract:
1. A continuous process for the production of an elastomer-modified thermoplastic comprising (i) obtaining graft elastomer D) that includes a grafted phase A), said D) having residual moisture content of 1 to 50 wt. %, (ii) partially filling a compounding reactor with the graft elastomer D) and a thermoplastic resin B) through at least one inlet of the compounding reactor and operating the partially filled compounding reactor under conditions calculated to melt D) and B) and to remove organic volatile components C), and (iii) collecting a molten blend comprising A), D) and B), wherein the throughput of the molten blend comprising A), D) and B) through the compounding reactor per liter of processing capacity is no more than 5 kg/h.