Non-cryogenic grindable polypropylene based compounds for rotomolding applications

The present invention relates to a method for preparing a pulverized polymer composition comprising: providing a composition comprising, 65 to 95 parts by weight of at least one polypropylene selectedfrom, the group consisting of homopolymer, impact polymer, random copolymer or a mixture thereof, 5 to 30 parts by weight of at least one polyethylene selected from the group consisting of high density polyethylene, low density poly-ethylene, linear low density polyethylene, copolymer of ethylene-propylene or a mixture thereof, and 0,0005 to 7 parts by weight of at least one additive; and pulverizing the composition of step a) at a temperature of at least 0 DEG C, preferably 10-30 DEG C, 本发明涉及用于制备粉状聚合物组合物的方法，包括：提供组合物，该组合物包含65至95重量份的至少种聚丙烯，其选自由均聚物、抗冲聚合物、无规共聚物或它们的混合物组成的组，5至30重量份的至少种聚乙烯，其选自由高密度聚乙烯、低密度聚乙烯、线性低密度聚乙烯、乙烯-丙烯的共聚物或它们的混合物组成的组，以及0.0005至7重量份的至少种添加剂；以及在至少0℃，优选10-30℃的温度下粉碎步骤a)的组合物。