The invention relates to a rubber composition for a tire molding turn-up capsule, and solves the technical problems that a tire molding isolation material has pollution and affects the quality of a tire. The rubber composition comprises the following components in parts by weight: 10-90 parts of polyurethane, 10-90 parts of brominated butyl rubber and 10-90 parts of natural rubber, wherein based on 100 parts by weight of the rubber component, the rubber composition comprises 40-70 parts by weight of carbon black; 0.5-1.5 parts by weight of a thiazole accelerator; 0.5-3 parts by weight of magnesium oxide; 1-3 parts by weight of zinc oxide; 0.5-3 parts by weight of stearic acid; 0-3 parts by weight of tackifying resin; 1-5 parts by weight of a rubber softener; 10-30 parts by weight of hydrocarbon resin; 0.5-5 parts by weight of sulfur. The rubber composition can be widely applied to the radial tire forming and manufacturing process.
本发明涉及一种用于轮胎成型反包胶囊的橡胶组合物,其解决了轮胎成型隔离材料有污染,影响轮胎质量的技术问题,其组分包括橡胶组份和辅剂,所述橡胶组份中包括:聚氨酯为10‑90重量份,溴化丁基橡胶为10‑90重量份,天然橡胶为10‑90重量份;其中,基于100重量份所述橡胶组份存在的所述辅剂,包括炭黑40~70重量份;噻唑促进剂0.5~1.5重量份;氧化镁0.5~3重量份;氧化锌1~3重量份;硬脂酸0.5~3重量份;增粘树脂0~3重量份;橡胶软化剂1~5重量份;碳氢树脂10~30重量份;硫磺0.5~5重量份。本发明可广泛应于子午线轮胎成型制造过程。
Rubber composition for tire molding turn-up capsule
一种用于轮胎成型反包胶囊的橡胶组合物
2021-03-30
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 |
Rubber composition for tire molding capsule and molding capsule
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