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    • 1. 发明申请
    • Crosslinkable Eleastomeric Composition and Method for Preparing the Composition
    • 交联性组合物及其制备方法
    • US20060241213A1
    • 2006-10-26
    • US10533293
    • 2002-10-31
    • Maurizio GalimbertiMichela CaprioStefano TestiCristiano Puppi
    • Maurizio GalimbertiMichela CaprioStefano TestiCristiano Puppi
    • C08J3/22
    • C08J3/005
    • A crosslinkable elastomeric composition includes at least one thermoplastic polymer selected from amorphous polymers having a glass transition temperature higher than 80° C. or crystalline polymers having a melting temperature higher than 190° C. and at least one diene elastomeric polymer. A method for preparing the composition includes pre-mixing, at a temperature not lower than Tg or (Tm−20° C.), the at least one thermoplastic polymer with a first portion of the at least one diene elastomeric polymer to obtain a masterbatch and mixing the masterbatch with a remaining portion of the at least one diene elastomeric polymer. The composition may include from 1% to 65% of the at least one thermoplastic polymer and from 35% to 99% of the at least one diene elastomeric polymer. The at least one thermoplastic polymer may be dispersed in a form of particles having an average diameter not greater than 20 μm.
    • 可交联的弹性体组合物包括至少一种选自玻璃化转变温度高于80℃的无定形聚合物或熔融温度高于190℃的结晶聚合物和至少一种二烯弹性体聚合物的热塑性聚合物。 一种制备该组合物的方法,包括在不低于T g或(T -20℃)的温度下预混合至少一种热塑性聚合物 与所述至少一种二烯弹性体聚合物的第一部分以获得母料并将所述母料与所述至少一种二烯弹性体聚合物的剩余部分混合。 组合物可以包含1%至65%的至少一种热塑性聚合物和35%至99%的至少一种二烯弹性体聚合物。 至少一种热塑性聚合物可以以平均直径不大于20μm的颗粒的形式分散。
    • 7. 发明申请
    • Method for Producing a Crosslinkable Elastomeric Composition
    • 生产可交联弹性体组合物的方法
    • US20090247682A1
    • 2009-10-01
    • US12083098
    • 2005-10-26
    • Maurizio GalimbertiLisa GrassiStefano TestiMichela CaprioLuca Giannini
    • Maurizio GalimbertiLisa GrassiStefano TestiMichela CaprioLuca Giannini
    • C08K3/34C08L23/18C08K3/10C08K3/26C08K3/12
    • B60C1/00C08J3/226C08J2307/00C08J2421/00C08K3/346C08L21/00
    • Method for producing a crosslinkable elastomeric composition including: (a) at least one first elastomeric polymer; (b) at least one layered material having an individual layer thickness of 0.01 nm to 30 nm, preferably of 0.05 nm to 15 nm; and (c) at least one vulcanizing agent; includes the following steps: (i) feeding the at least one layered material (b) and at least one second elastomeric polymer (d), into at least one extruder including a housing, at least one screw rotatably mounted in the housing including at least one feed opening and a discharge opening, the at least one layered material being fed into the at least one extruder in an amount higher than or equal to 70 phr; (ii) mixing and softening the mixture so as to obtain a masterbatch; (iii) discharging the obtained masterbatch through a discharge opening; and (iv) mixing the obtained masterbatch with the at least one first elastomeric polymer (a) and the at least one vulcanizing agent (c), to obtain the crosslinkable elastomeric composition, the mixing being carried out in a batchwise manner.
    • 用于生产可交联弹性体组合物的方法,包括:(a)至少一种第一弹性体聚合物; (b)具有0.01nm至30nm,优选为0.05nm至15nm的单层厚度的至少一种层状材料; 和(c)至少一种硫化剂; 包括以下步骤:(i)将至少一种层状材料(b)和至少一种第二弹性体聚合物(d)进料至包括壳体的至少一个挤出机中,至少一个可旋转地安装在壳体中的螺杆至少包括 一个进料口和排出口,所述至少一个层压材料以高于或等于70phr的量进料到所述至少一个挤出机中; (ii)混合和软化混合物以获得母料; (iii)通过排出口排出所获得的母料; 和(iv)将获得的母料与至少一种第一弹性体聚合物(a)和至少一种硫化剂(c)混合,以获得可交联的弹性体组合物,所述混合以间歇方式进行。
    • 10. 发明申请
    • Tire and Crosslinkable Elastomeric Composition
    • 轮胎和交联弹性组合物
    • US20080185087A1
    • 2008-08-07
    • US11665271
    • 2004-10-15
    • Maurizio GalimbertiMichela CaprioLuca GianniniStefano Solinas
    • Maurizio GalimbertiMichela CaprioLuca GianniniStefano Solinas
    • C08L23/22B60C1/00C08L23/28C08L7/00C08K3/34
    • C08L23/22C08L7/00C08L23/283C08L2666/06C08L2666/04
    • A tire, including a carcass structure, includes at least one carcass ply of a substantially toroidal shape, having opposite lateral edges associated with respective right-hand and left-hand bead structures, the bead structures including at least one bead core and at least one bead filler; a belt structure applied in a radially external position with respect to the carcass structure; a tread band radially superimposed on the belt structure; a pair of sidewalls applied laterally on opposite sides with respect to the carcass structure; and at least one layer including a crosslinked elastomeric material applied in a radially inner position with respect to the carcass structure. The crosslinked elastomeric material is obtained by crosslinking a crosslinkable elastomeric composition including (a) less than 50 phr, preferably 15 phr to 40 phr, of at least one butyl rubber; (b) not less than 50 phr, preferably 60 phr to 85 phr, of at least one polyisoprene rubber; and (c) 2 phr to 50 phr, preferably 5 phr to 35 phr, of at least one layered material. Preferably, the layer including a crosslinked elastomeric material is a tire innerliner.
    • 包括胎体结构的轮胎包括至少一个基本上环形形状的胎体帘布层,其具有与相应的右手和左侧胎圈结构相关联的相对侧边缘,所述胎圈结构包括至少一个胎圈芯和至少一个胎圈芯 珠填料; 相对于胎体结构施加在径向外部位置的带结构; 径向叠加在带结构上的胎面带; 相对于胎体结构在相对侧面上横向施加的一对侧壁; 以及包括相对于胎体结构在径向内部位置施加的交联的弹性体材料的至少一个层。 交联的弹性体材料通过交联包含(a)小于50phr,优选15phr至40phr的至少一种丁基橡胶的可交联弹性体组合物获得; (b)不低于50phr,优选60phr至85phr的至少一种聚异戊二烯橡胶; 和(c)2phr至50phr,优选5phr至35phr的至少一种层状材料。 优选地,包括交联的弹性体材料的层是轮胎内衬。