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    • 5. 发明申请
    • Pneumatic tire having built-in colored sealant layer and preparation thereof
    • 内置有色密封层的气动轮胎及其制备方法
    • US20050205185A1
    • 2005-09-22
    • US10802908
    • 2004-03-17
    • Leonard ReiterGeorge BaloghMichael Crawford
    • Leonard ReiterGeorge BaloghMichael Crawford
    • B29C73/16B29C73/22B29D30/00B29D30/06B60C1/00B60C5/14B60C19/12C08K3/00C08K5/06C08L3/00C08L9/00C08L23/22B60C17/00C09K3/12
    • B29D30/0681B29C73/163B29C73/22B29D30/0685B29D2030/0682B29D2030/069B29L2030/00B60C1/0008B60C5/14C08K3/013C08L3/00C08L9/00C08L23/22C08L2312/00Y10T152/10675Y10T152/10684C08L2666/08
    • This invention relates to a pneumatic tire having a built-in non-black colored sealant layer and its preparation. The sealant layer is derived from a sealant precursor layer comprised of a butyl rubber, organoperoxide, particulate, synthetic amorphous silica and plant-derived organic agricultural seed flour, together with a non-black colored colorant. The butyl rubber-based sealant precursor layer is build into the tire to form a tire assembly and the butyl rubber component of the sealant precursor layer is depolymerized during a subsequent curing of the tire at an elevated temperature in a suitable mold to form the tire having the resultant built-in sealant. The particulate plant derived organic agricultural seed flour is a renewable raw material in a sense that it can be replenished in nature and therefore not as a significant depletion of non-renewable natural resource. The agricultural plant seed flour is comprised of at least a portion of a ground plant seed (e.g. whole or partial seed portion including for example its nucleus and/or shell) of an agricultural seed producing plant such as, for example, wheat, rye, rice, barley, oat, mullet, soybean and/or corn. The sealant layer may also contain one or more of a liquid polyisoprene and short organic fibers. Preferably, the amorphous silica is a precipitated silica, namely aggregates of primary silica particles.
    • 本发明涉及一种具有内置非黑色密封胶层及其制备方法的充气轮胎。 密封剂层衍生自由丁基橡胶,有机过氧化物,颗粒,合成无定形二氧化硅和植物衍生的有机农业种子面粉以及非黑色着色剂组成的密封剂前体层。 将丁基橡胶基密封剂前体层构建到轮胎中以形成轮胎组件,并且在随后在合适的模具中在升高的温度下固化轮胎中的密封剂前体层的丁基橡胶组分解聚,以形成具有 内置密封剂。 颗粒植物衍生的有机农业种子面粉是一种可再生原料,在某种意义上它可以自然补充,因此不会作为不可再生自然资源的显着损耗。 农业种子面粉由农业种子生产植物的至少一部分地面植物种子(例如全部或部分种子部分,包括例如其核和/或壳)组成,例如小麦,黑麦, 大米,大麦,燕麦,m鱼,大豆和/或玉米。 密封剂层还可以含有液体聚异戊二烯和短有机纤维中的一种或多种。 优选地,无定形二氧化硅是沉淀二氧化硅,即初级二氧化硅颗粒的聚集体。