The invention discloses a high-activity nano aramid fiber pre-dispersed masterbatch and a preparation method and application thereof, and relates to the technical field of rubber materials, the pre-dispersed masterbatch is prepared from the following raw materials: aramid nano short fibers, a dispersant, isocyanate, epoxy resin, a dipping solution and a rubber emulsion; the aramid nano short fibers are prepared from the following components in parts by weight: 100 parts by weight of aramid nano short fibers; 2-7 parts by weight of a dispersant; 2 to 5 parts by weight of isocyanate; 1-3 parts by weight of epoxy resin; 40-80 parts by weight of a gum dipping solution; and 30-80 parts by weight of a rubber emulsion. The aramid nano short fiber with special high modulus and high strength characteristics can be used as an excellent reinforcing filler to be applied to the formula of the tread rubber of the engineering tire, and has the performance of improving dynamic cutting resistance and crack propagation resistance.
本发明公开了一种高活性纳米芳纶纤维预分散母胶及其制备方法和应用,涉及橡胶材料技术领域,所述预分散母胶是由包括以下组分的原料制备得到:芳纶纳米短纤维、分散剂、异氰酸酯、环氧树脂、浸胶液和橡胶乳液;各组分按重量份数计:芳纶纳米短纤维100重量份;分散剂2‑7重量份;异氰酸酯2‑5重量份;环氧树脂1‑3重量份;浸胶液40‑80重量份;橡胶乳液30‑80重量份。本发明采用具有特殊的高模量高强度特性的芳纶纳米短纤维,可以作为优秀的补强填料应用于工程胎胎面胶的配方中,具有提升耐动态切割及抗裂纹扩展的性能。
High-activity nano aramid fiber pre-dispersed masterbatch as well as preparation method and application thereof
一种高活性纳米芳纶纤维预分散母胶及其制备方法和应用
2023-12-01
Patent
Elektronische Ressource
Chinesisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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