VERY LOW MELT VISCOSITY RESIN

摘要

A process is provided for the production of a very low melt viscosity (high melt flow index) polymer resin, suitable for use in meltblown processing. According to the process of the current invention, a high melt viscosity (lo w melt flow index) resin is subjected to post-reactor molecular weight alteration by extrusion with a chemical prodegradant. The process produces a very low melt viscosity resin that can be used in meltblown processing witho ut further treatment to reduce the average molecular weight of the resin. Further, the very low melt viscosity resins produced according to the proces s of the current invention contain very little or no residual prodegradant.