| 摘要 |
The olefin based resin having good coating property is composed of 40-80 wt% crystalline polypropylene resin, 1-50 wt% thermoplastic olefin based rubber component crosslinked dynamically with 10-70 wt% crystalline polypropylene resin and 90-30 wt% ethylene-alpha-olefin rubber, 0.5-30 wt% modified polypropylene resin prepared by grafting the polar monomer which does not react modified polyethylene copolymer and has the physical compatibility, 1-30 wt% modified ethylene copolymer prepared by grafting alpha, beta-unsaturated carboxylic acid or its derivatives, and less than 40 wt% inorganic filler such as calcium carbonate, barium sulfate, talc, carbon fiber etc.
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