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一种医用耐腐蚀高倍率铁氟龙热缩套管及其制备方法
InventionUnknown
10Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
王景元
Filing Date
Aug 10, 2026
Publication Date
Oct 27, 2026
IPC Classification
B32B 27/32 (2006.01)B32B 27/06 (2006.01)B32B 33/00 (2006.01)B32B 1/08 (2006.01)B32B 27/28 (2006.01)B32B 38/00 (2006.01)B32B 38/16 (2006.01)B29C 61/08 (2006.01)B29C 71/04 (2006.01)B29C 71/02 (2006.01)B29C 71/00 (2006.01)C08L 27/18 (2006.01)C08K 3/32 (2006.01)C08K 9/06 (2006.01)C08F 293/00 (2006.01)
本发明涉及热缩管领域,具体涉及一种医用耐腐蚀高倍率铁氟龙热缩套管及其制备方法。热缩套管由内至外依次包括基体管层、交联过渡层和表面仿生功能层。所述基体管层以表面改性含氟羟基磷灰石、聚四氟乙烯树脂、全氟烷氧基树脂、交联敏化剂三烯丙基异氰脲酸酯为原料,经共混交联形成;所述交联过渡层为所述基体管层外表面经定向电子束辐照形成的交联层;所述表面仿生功能层为双键功能化嵌段共聚物经巯‑烯点击反应接枝于所述交联过渡层表面形成。本发明通过调控交联密度保留高分子链段的高弹形变能力,使管材可实现大倍率径向收缩并保持优异的收缩回复精度,解决了传统铁氟龙热缩管高倍率化后力学性能与耐介质性能下降的技术问题。
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