An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): from about 20 to about 40 phr of a polybutadiene having a cis-1, 4 linking group content of at least 95%; from about 40 to about 70 phr of a styrene/butadiene copolymer; from about 5 to about 30 phr of natural rubber or a polyisoprene; a curing agent; an antioxidant; from about 1 to about 20 phr of carbon black; from about 1 to about 30 phr of a plasticizing oil; from about 40 to about 80 phr of silica; about 1 to about 15 phr of a silane coupling agent; and about 5 to about 30 phr of a polymer selected from the group consisting of an ethylene-propylene-diene terpolymer, a butyl rubber, a poly (isobutylene-co-p-methylstyrene), and a poly (isobutylene-co-p-methylstyrene-co-isoprene) terpolymer.
公开了弹性体组合物。弹性体组合物每100重量份的橡胶(phr)包括:约20至约40phr的具有顺式‑1,4连接基含量为至少95%的聚丁二烯;约40至约70phr苯乙烯/丁二烯共聚物;约5至约30phr天然橡胶或聚异戊二烯;固化剂;抗氧化剂;约1至约20phr炭黑;约1至约30phr增塑油;约40至约80phr二氧化硅;约1至约15phr硅烷偶联剂和约5至约30phr的选自由以下组成的组的聚合物:乙烯‑丙烯‑二烯三元共聚物、丁基橡胶、聚(异丁烯‑共聚‑对甲基苯乙烯)和聚(异丁烯‑共聚‑对甲基苯乙烯‑共聚‑异戊二烯)三元共聚物。
Functionalized polymer tread additives for improved four-season tire performance
用于改进四季轮胎性能的官能化聚合物胎面添加剂
2022-08-05
Patent
Elektronische Ressource
Chinesisch
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 |
Europäisches Patentamt | 2022
|PROPYLENE-BASED POLYMER ADDITIVES FOR IMPROVED TIRE TREAD PERFORMANCE
Europäisches Patentamt | 2023
|Propylene-Based Polymer Additives for Improved Tire Tread Performance
Europäisches Patentamt | 2021
|