The invention provides inner liner rubber as well as a preparation method and application thereof, and belongs to the technical field of rubber processing and aircraft tire manufacturing. The invention provides an inner liner rubber. The inner liner rubber comprises the following preparation raw materials in parts by weight: 100 parts of rubber; 40 to 50 parts of N326 carbon black; 10 to 20 parts of cryptocrystalline graphite; 5-7 parts of white carbon black; 1.0 part of a silane coupling agent; 5.0 parts of ZnO; 1.5 parts of stearic acid; 2.0 to 3.0 parts of aromatic hydrocarbon oil; 2.0 parts of an anti-aging agent; 1.5 parts of insoluble sulfur; 2 to 2.7 parts of an accelerant; 1.2 parts of magnesium oxide; 1.2 parts of a cracking inhibitor; 2.0 to 3.0 parts of tackifying resin; the rubber comprises natural rubber dawn No.2, butadiene styrene rubber and chlorinated butyl rubber; the accelerant comprises a sulfenamide accelerant and a thiazole accelerant. The inner liner rubber provided by the invention is excellent in air tightness, good in self-adhesion performance of a rubber material semi-finished product, and suitable for tire blank molding.
本发明提供了一种气密层胶及其制备方法和应用,属于橡胶加工及航空轮胎制造技术领域。本发明提供了一种气密层胶,包括以下重量份的制备原料:橡胶100份;N326炭黑40~50份;隐晶质石墨10~20份;白炭黑5~7份;硅烷偶联剂1.0份;ZnO 5.0份;硬脂酸1.5份;芳烃油2.0~3.0份;防老剂2.0份;不溶性硫黄1.5份;促进剂2~2.7份;氧化镁1.2份;龟裂防止剂1.2份;增粘树脂2.0~3.0份;所述橡胶包括天然橡胶曙光2号、丁苯橡胶和氯化丁基橡胶;所述促进剂包括次磺酰胺类促进剂和噻唑类促进剂。本发明提供的气密层胶气密性优异、胶料半成品自粘性能好、适合于轮胎胎胚成型。
Inner liner rubber as well as preparation method and application thereof
一种气密层胶及其制备方法和应用
2024-01-09
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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