Crosslinkable polyethylene composition, crosslinkable polyethylene blend and composite article

The invention relates to the field of crosslinked polyethylene, and discloses a crosslinkable polyethylene composition, a crosslinkable polyethylene blend and a composite material product. The crosslinkable polyethylene composition comprises: (a) 100 parts by weight of polyethylene matrix resin, (b) 0.5 to 12 parts by weight of polar molecules, (c) 0.01 to 1 part by weight of a peroxide cross-linking agent, and (d) 1-10 parts by weight of an anticorrosive filler. The polar molecule is one or more selected from epoxy resin, polyester resin, isocyanate, isocyanate oligomer, acrylate and acrylate oligomer. Better corrosion resistance is provided for metal parts, and a formed high polymer layer has the characteristics of high binding power and good cathodic disbonding resistance. 本发明涉及交联聚乙烯领域，公开了可交联聚乙烯组合物、可交联聚乙烯共混物和复合材料制品。可交联聚乙烯组合物包括：(a)100重量份的聚乙烯基体树脂；(b)0.5-12重量份的极性分子；(c)0.01-1重量份的过氧化物交联剂；(d)1-10重量份的防腐填料；其中，所述极性分子选自环氧树脂、聚酯树脂、异氰酸酯、异氰酸酯低聚物、丙烯酸酯和丙烯酸酯低聚物中的一种或多种。提供金属部件更好的防腐性能，且形成的高聚物层能够具有粘结力高、耐阴极剥离性能好的特点。