Process for incorporating a modifier of properties of a shaped synthetic polymer containing a biodegradable substance therein, and the product of the process

摘要

In the manufacture of products made of starch filled plastics the polymer and starch granules are mixed with a lubricant immediately prior to forming. A feedstock material in accordance with the invention comprises paticles of starch granules in admixture with a lubricant such as an oil or wax.