High and low temperature resistant rubber material for automobile turbo-charging pipeline and preparation method thereof
By combining modified carbon black with a perfluoropolyether shell, the problems of uneven dispersion and brittle fracture of rubber materials under high and low temperature environments were solved, thereby improving the high and low temperature resistance and mechanical properties of automotive turbocharger pipe rubber materials.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHANDONG TENGLONG TIANYUAN RUBBER & PLASTIC TECH CO
- Filing Date
- 2026-05-29
- Publication Date
- 2026-07-17
AI Technical Summary
Existing rubber materials struggle to balance high and low temperature resistance with mechanical strength, especially under the harsh conditions of automotive turbocharger pipes, where they suffer from thermal-oxidative aging at high temperatures and brittle fracture at low temperatures.
Carbon black modified with silica and treated with low-temperature oxygen plasma was used. A cross-linked perfluoropolyether shell was constructed by co-condensation of a disulfide silane coupling agent and a perfluorinated long-chain end-capping agent to enhance interfacial compatibility. Furthermore, a cross-linked structure was constructed on the carbon black surface through hydrosilylation reaction to achieve self-repair and stress transfer.
It improves the high and low temperature resistance and mechanical properties of rubber materials, solves the problems of uneven dispersion and easy agglomeration of traditional carbon black in fluororubber, and ensures that the material can self-heal microcracks at high temperatures and avoid brittle fracture at low temperatures.
Smart Images
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