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    • 4. 发明申请
    • TIRE COMPRISING AN ELASTOMERIC POLYMER INCLUDING A FUNCTIONAL GROUP AND CROSSLINKABLE ELASTOMERIC COMPOSITION
    • 包含功能组和可交联弹性体组合物的弹性体聚合物的轮胎
    • WO2005118695A1
    • 2005-12-15
    • PCT/EP2004/005656
    • 2004-05-26
    • PIRELLI PNEUMATICI S.P.A.GALIMBERTI, MaurizioCAPRIO, MichelaFINO, LuigiGIANNINI, LucaGRASSI, LisaTESTI, StefanoPUCCI, Elena
    • GALIMBERTI, MaurizioCAPRIO, MichelaFINO, LuigiGIANNINI, LucaGRASSI, LisaTESTI, StefanoPUCCI, Elena
    • C08K3/34
    • C08L13/00B60C1/0016C08K3/04C08K3/346C08L21/00C08L2666/08
    • Tire comprising: - a carcass structure of a substantially toroidal shape, having opposite lateral edges associated with respective right-hand and left-hand bead structures, said bead structures comprising at least one bead core and at least one bead filler; - a belt structure applied in a radially external position with respect to said carcass structure; - a tread band radially superimposed on said belt structure; - a pair of sidewalls applied laterally on opposite sides with respect to said carcass structure, - at least one structural element selected from bead filler, sidewall insert, tread underlayer, obtained by crosslinking a crosslinkable elastomeric composition comprising: (a) a crosslinkable elastomeric base comprising at least about 30 phr, preferably from about 50 phr to about 100 phr, of at least one elastomeric polymer including from about 0.05% by weight to about 10% by weight, preferably from about 0.1% by weight to about 5% by weight, with respect to the total weight of the elastomeric polymer, of at least one functional group selected from carboxylic groups, carboxylate groups, anhydride groups, ester groups; (b) from about 2 phr to about 50 phr, preferably from about 5 phr to about 30 phr, of at least one layered inorganic material.
    • 轮胎包括: - 大致环形的胎体结构,具有与相应的右手和左侧胎圈结构相关的相对的侧边缘,所述胎圈结构包括至少一个胎圈芯和至少一个胎圈填料; - 相对于所述胎体结构在径向外部位置施加的带束结构; - 径向叠加在所述带结构上的胎面带; - 相对于所述胎体结构在相对侧面横向施加的一对侧壁, - 至少一种选自胎圈填料,侧壁插入物,胎面底层的结构元件,其通过交联可交联弹性体组合物获得,所述组合物包含:(a)可交联的弹性体基体 包括至少约30phr,优选约50phr至约100phr的至少一种弹性体聚合物,其包含约0.05重量%至约10重量%,优选约0.1重量%至约5重量% 相对于弹性体聚合物的总重量,选自羧基,羧酸酯基,酸酐基,酯基中的至少一个官能团; (b)约2phr至约50phr,优选约5phr至约30phr的至少一种层状无机材料。
    • 5. 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
    • WO2007048424A1
    • 2007-05-03
    • PCT/EP2005/011466
    • 2005-10-26
    • PIRELLI TYRE S.P.A.GALIMBERTI, MaurizioGRASSI, LisaTESTI, StefanoCAPRIO, MichelaGIANNINI, Luca
    • GALIMBERTI, MaurizioGRASSI, LisaTESTI, StefanoCAPRIO, MichelaGIANNINI, Luca
    • C08K3/34B60C1/00
    • B60C1/00C08J3/226C08J2307/00C08J2421/00C08K3/346C08L21/00
    • Method for producing a crosslinkable elastomeric composition comprising: (a) at least one first elastomeric polymer; (b) at least one layered material having an individual layer thickness of from 0.01 nm to 30 nm, preferably of from 0.05 nm to 15 nm; (c) at least one vulcanizing agent; said method comprising the following steps: (i) feeding said at least one layered material (b) and at least one second elastomeric polymer (d), into at least one extruder comprising a housing, at least one screw rotatably mounted in said housing including at least one feed opening and a discharge opening, said at least one layered material being fed into said at least one extruder in an amount higher than or equal to 70 phr, preferably higher than or equal to 100 phr, more preferably of from 150 phr to 400 phr, still more preferably of from 200 phr to 300 phr; (ii) mixing and softening said mixture so as to obtain a masterbatch; (iii) discharging the obtained masterbatch through a discharge opening; (iv) mixing the obtained masterbatch with said at least one first elastomeric polymer (a) and said at least one vulcanizing agent (c), to obtain the crosslinkable elastomeric composition, said mixing being carried out in a batchwise manner.
    • 制备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)至少一层具有0.01nm至30nm,优选为0.05nm至15nm的单层厚度的层状材料; (c)至少一种硫化剂; 所述方法包括以下步骤:(i)将所述至少一种分层材料(b)和至少一种第二弹性体聚合物(d)进料到至少一个挤出机中,所述至少一个挤出机包括壳体,可旋转地安装在所述壳体中的至少一个螺杆,包括 至少一个进料口和排出口,所述至少一个分层材料以高于或等于70phr,优选高于或等于100phr,更优选150phr的量进料到所述至少一个挤出机中 至400phr,还更优选200phr至300phr; (ii)混合和软化所述混合物以获得母料; (iii)通过排出口排出所获得的母料; (iv)将所获得的母料与所述至少一种第一弹性体聚合物(a)和所述至少一种硫化剂(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。