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英立（江苏）机电有限公司

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№ CN122941090AInvention
Unknown

一种MPP电力电缆保护管及其生产工艺

本发明涉及一种MPP电力电缆保护管及其生产工艺，属于复合材料技术领域；本发明制备了一种结构中含有磷酸基团的大分子阻燃改性剂，并利用该阻燃改性剂中的磷酸基团与纳米碳酸钙表面的钙离子发生反应对纳米碳酸钙进行包覆改性，制备了一种具有“核‑壳结构”特征的改性纳米碳酸钙。这种改性方式能够将强极性的磷酸基团和亲水的纳米碳酸钙内核封装于低极性的硼硅‑有机壳层内部，显著降低了改性纳米碳酸钙的整体表面极性，这不仅极大提高了纳米碳酸钙在改性聚丙烯基体中的分散性，有效降低了团聚风险，还能有效缓解因外加磷酸酯阻燃剂与聚丙烯基体间极性差异较大而引发的相分离问题，进而改善保护管的整体力学性能。

❖英立（江苏）机电有限公司莫儒; 姚宬; 吴凯燕Oct 20, 2026§ 2/10 ClaimsC08L 23/12 (2006.01), C08L 23/06 (2006.01), C08K 9/12 (2006.01) +4