A modified bimetallic hydroxide butyl rubber composite material, its preparation method and application

By using ionic liquid intercalation of modified magnesium-aluminum layered bimetallic hydroxides and electrostatic self-assembly dynamic vulcanization technology, the problems of insufficient mechanical properties and gas barrier properties of butyl rubber were solved, and high-strength and high-barrier composite materials were prepared.

CN122302440APending Publication Date: 2026-06-30NANJING TECH UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING TECH UNIV
Filing Date
2026-03-13
Publication Date
2026-06-30

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Abstract

This invention discloses a modified bimetallic hydroxide butyl rubber composite material, its preparation method, and its applications. The composite material uses butyl rubber as a matrix and modified magnesium-aluminum layered bimetallic hydroxide as a filler. It is prepared using a combined method of ionic liquid intercalation functionalization modification, microemulsion preparation of core-shell prepolymers, electrostatic self-assembly dynamic vulcanization, and flat-plate vulcanization hot pressing. The filler content is 5-10% by mass, based on the matrix mass. The composite material synthesized by this invention has advantages such as high tensile strength and strong gas barrier properties, meeting the growing demand of modern industry for high-performance rubber materials.
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