申请人:Omya International AG
公开号:EP2952543A1
公开(公告)日:2015-12-09
The present invention relates to a polymer composition comprising at least 20.0 wt.-%, based on the total weight of the polymer composition, of at least one biodegradable polymer resin, from 0.1 to 20.0 wt.-%, based on the total weight of the polymer composition, of at least one polyolefin selected from polyethylene and/or polypropylene and from 5.9 to 60.0 wt.-%, based on the total weight of the polymer composition, of an inorganic filler material dispersed in the at least one polyolefin and the at least one biodegradable polymer resin, a process for the preparation of such a polymer composition, the use of an inorganic filler material for increasing the thermal stability and/or processability of a polymer composition, the use of the polymer composition for the preparation of an article as well as in a process selected from extrusion process, co-extrusion process, blown film extrusion process, cast film extrusion or sheet extrusion process, extrusion coating process, injection molding process, blow molding process, thermoforming process as well as an article comprising the polymer composition.
本发明涉及一种聚合物组合物,该聚合物组合物包含至少一种可生物降解聚合物树脂(以该聚合物组合物的总重量为基准)、至少一种选自聚乙烯和/或聚丙烯的聚烯烃(以该聚合物组合物的总重量为基准)、分散在至少一种聚烯烃和至少一种可生物降解聚合物树脂中的无机填充材料(以该聚合物组合物的总重量为基准)(0.1-20.0 wt.-%)、用于制备至少一种聚烯烃和至少一种可生物降解聚合物树脂的工艺(以该聚合物组合物的总重量为基准)(5.9-60.0 wt.-%)。以聚合物组合物总重量为基准,在至少一种聚烯烃和至少一种可生物降解聚合物树脂中分散有 5% 的无机填充材料;制备这种聚合物组合物的工艺;使用无机填充材料提高聚合物组合物的热稳定性和/或可加工性、将聚合物组合物用于制备物品,以及用于选自挤出工艺、共挤出工艺、吹膜挤出工艺、流延膜挤出或片材挤出工艺、挤出涂覆工艺、注塑成型工艺、吹塑成型工艺、热成型工艺的工艺中,以及用于制备包含该聚合物组合物的物品。