The invention relates to the field of rubber, and discloses a rubber additive, a rubber composition, vulcanized rubber and a preparation method and application of the vulcanized rubber. The rubber additive is a composite silane coupling agent, the composite silane coupling agent comprises polysulfur triethoxy silane and alkyl diethoxy silane, the polysulfur triethoxy silane has a structure as shown in a formula (1), and the alkyl diethoxy silane has a structure as shown in a formula (2); x is an integer of 2-4; r1 and R2 are linear alkyl chains or branched alkyl chains, y is equal to 1-18, and z is equal to 1-8; the vulcanized rubber has excellent processability, relatively high strength and excellent dynamic mechanics; (EtO) 3-Si-(CH2) 3-Sx-(CH2) 3-Si-(EtO) 3, formula (1);
本发明涉及橡胶领域,公开了一种橡胶助剂和橡胶组合物以及硫化橡胶及其制备方法及应用。所述橡胶助剂为复合硅烷偶联剂,所述复合硅烷偶联剂包括多硫三乙氧基硅烷和烷基二乙氧基硅烷,其中,所述多硫三乙氧基硅烷具有式(1)所示的结构,所述烷基二乙氧基硅烷具有式(2)所示的结构;x为2‑4的整数;R1和R2均为直链烷基链或支链烷基链,y=1‑18,z=1‑8;该硫化橡胶具有优异的加工性能、较高的强度和优异动态力学;(EtO)3‑Si‑(CH2)3‑Sx‑(CH2)3‑Si‑(EtO)3,式(1);
Rubber auxiliary, rubber composition, vulcanized rubber and preparation method and application of vulcanized rubber
橡胶助剂和橡胶组合物以及硫化橡胶及其制备方法及应用
2023-03-28
Patent
Electronic Resource
Chinese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / 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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