THERMOPLASTIC OLEFINIC COMPOSITIONS

摘要

Thermoplastic olefin compositions having improved fluid resistance when painted with flexible coatings such as polyurethanes paints, and the like are disclosed. These compositions include a thermoplastic olefin such as crystalline polypropylene, crystalline polyethylene or mixtures thereof with a first rubber component of an ethylene propylene diene rubber having a high molecular weight and a second rubber component of an ethylene propylene diene rubber having a low molecular weight, wherein the first rubber component has a molecular weight of 4 to 200 times that of the second rubber component.