The present invention relates to a process for the synthesis of synthetic resin material. In accordance with the present invention, is prepared ethylene at least one polymer a), are added and at least one crosslinking agent for b) the ethylene polymer, with c) the crosslinking agent to crosslink at least a portion of said ethylene polymer, By cross-linking with the product in addition to the propylene polymer of at least one product obtained in d) c), was obtained in c), the least part of e) a propylene polymer, it is carried out. The present invention relates to plastic products produced thereby also a synthetic resin material, produced by this method. [Selection] Figure Figure 1
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