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    • 6. 发明申请
    • RUN-FLAT TIRE
    • 跑平轮胎
    • WO2009080144A1
    • 2009-07-02
    • PCT/EP2008/009278
    • 2008-11-04
    • PIRELLI TYRE S.P.A.GIANNINI, LucaNAHMIAS NANNI, MarcoDEMERGAZZI, AndreaGALIMBERTI, Maurizio
    • GIANNINI, LucaNAHMIAS NANNI, MarcoDEMERGAZZI, AndreaGALIMBERTI, Maurizio
    • B60C1/00C08K3/34C08L9/00C08L21/00B60C17/08
    • C08K3/36B60C1/0016B60C1/0025B60C11/005B60C2001/0033B60C2001/005C08K3/013C08K5/548C08L7/00C08L9/00C08L9/02C08L9/06C08L21/00C08L23/16C08L23/22C08L15/00C08L2666/06C08L2666/08
    • A run-flat tire comprising a carcass structure having opposite lateral edges associated with respective right-hand and left-hand bead structures; a tread band applied in a radially external position with respect to said carcass structure; a pair of sidewalls applied laterally on opposite sides with respect to said carcass structure; a bearing structure including for each side of the tire said bead structure cooperating in supporting the run-flat tire with at least one sidewall insert extending radially between said bead structure and the corresponding lateral edge of said tread band; a bearing structure including, for each side of the tire, said bead structure cooperating in supporting the run- flat tire with at least one sidewall insert extending radially between said bead structure and the corresponding lateral edge of said tread band, wherein said at least one sidewall insert includes a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising: (a) 100 phr of at least one elastomeric polymer; (b) from about 20 phr to about 35 phr, preferably from about 20 phr to about 25 phr of diatomite particles having a BET surface area, in the range of from about 10 m2/g to about 90 m 2 /g, preferably from about 10 to about 40 m 2 /g, more preferably from about 30 to about 40 m 2 /g; (c) from about 10 phr to about 35 phr, preferably from about 25 phr to about 35 phr of at least one further reinforcing filler.
    • 一种漏气保用轮胎,包括具有与相应的右侧和左侧胎圈结构相关联的相对侧边缘的胎体结构; 相对于所述胎体结构在径向外部位置施加的胎面带; 相对于所述胎体结构在相对侧上横向施加的一对侧壁; 一种轴承结构,其包括轮胎的每一侧,所述胎圈结构协作地支撑所述防漏轮胎与在所述胎圈结构和所述胎面带的相应侧边缘之间径向延伸的至少一个侧壁插入件; 一种轴承结构,其包括对于轮胎的每一侧,所述胎圈结构协同作用以将所述挡平轮胎与在所述胎圈结构和所述胎面带的相应侧边缘之间径向延伸的至少一个侧壁插入件配合,其中所述至少一个 侧壁插入物包括通过交联可交联弹性体组合物获得的交联弹性体材料,其包含:(a)100phr的至少一种弹性体聚合物; (b)约20phr至约35phr,优选约20phr至约25phr的具有BET表面积的硅藻土颗粒的范围为约10m 2 / g至约90m 2 / g,优选为约 10至约40m 2 / g,更优选约30至约40m 2 / g; (c)约10phr至约35phr,优选约25phr至约35phr的至少一种其它增强填料。
    • 8. 发明申请
    • TIRE AND CROSSLINKABLE ELASTOMERIC COMPOSITION
    • 轮胎和可交联弹性体组合物
    • WO2007062669A1
    • 2007-06-07
    • PCT/EP2005/012716
    • 2005-11-29
    • PIRELLI TYRE S.P.A.GALIMBERTI, MaurizioGIANNINI, LucaMELORO, Gianluca
    • GALIMBERTI, MaurizioGIANNINI, LucaMELORO, Gianluca
    • C08L23/22C08L23/28C08L7/00B60C1/00C08K3/34
    • C08L21/00B60C1/00B60C1/0008C08K3/013C08L7/00C08L23/0869C08L23/16C08L23/20C08L23/22C08L23/28C08L2666/06C08L2666/08
    • Tire comprising: - a carcass structure comprising at least one carcass ply, 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 10 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 layer including a crosslinked elastomeric material having air barrier properties; wherein said crosslinked elastomeric material is obtained by crosslinking a crosslinkable elastomeric composition comprising: (a) an amount of from (10) phr to (100) phr, preferably of from phr to (60) phr, of at least one butyl rubber; (b) an amount of from (0) phr to (90) phr, preferably of from (40) phr to (80) phr, of at least one diene (25) elastomeric polymer; (c) an amount of from (5) phr to (120) phr, preferably of from (15) phr to (90) phr, of at least one reinforcing filler selected; (d) an amount of from (2) phr to (20) phr, preferably of from (5) phr to (15) phr, of at least one copolymer of at least one ethylenically unsaturated carboxylic acid or a derivative thereof with at least one ethylenically unsaturated monomer containing at least one polyoxyalkylene side chain.
    • 轮胎包括: - 胎体结构,包括至少一个胎体帘布层,其基本上为环形形状,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; - 相对于所述胎体结构施加在径向外部10位置的带结构; - 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; - 至少一层包括具有阻气性的交联弹性材料; 其中所述交联的弹性体材料通过交联可交联的弹性体组合物获得,所述交联性弹性体组合物包含:(a)(10)phr至(100)phr,优选为phr至(60)phr的至少一种丁基橡胶的量; (b)至少一种二烯(25)弹性聚合物的(0)phr至(90)phr,优选为(40)phr至(80)phr的量; (c)选自(5)phr至(120)phr,优选为(15)phr至(90)phr的至少一种选择的增强填料; (d)至少一种烯键式不饱和羧酸或其衍生物的至少一种共聚物与至少一种(2)phr至(20)phr,优选(5)phr至(15)phr的量 一种含有至少一个聚氧化烯侧链的烯属不饱和单体。
    • 9. 发明申请
    • TIRE AND CROSSLINKABLE ELASTOMERIC COMPOSITION
    • 轮胎和可交联弹性体组合物
    • WO2008009304A1
    • 2008-01-24
    • PCT/EP2006/007173
    • 2006-07-20
    • PIRELLI TYRE S.P.A.GALIMBERTI, MaurizioGUERRA, GaetanoLOSTRITTO, AngelaGIANNINI, Luca
    • GALIMBERTI, MaurizioGUERRA, GaetanoLOSTRITTO, AngelaGIANNINI, Luca
    • C08K3/34C08L21/00B60C1/00
    • B60C1/0016B60C11/005B60C17/0009B60C2001/0033B60C2011/0025C08K3/346C08K7/02C08K9/04C08L21/00C08L61/04C08L2666/16
    • Tire comprising at least one structural element including a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric compositon comprising: (a) 100 phr of at least one elastomeric polymer; (b) from 0.1 phr to 15 phr, preferably from 0.3 phr to 10 phr, of at least one methylene donor compound; (c) from 0.4 phr to 20 phr, preferably from 0.8 phr to 15 phr, of at least one methylene acceptor compound; (d) from 1 phr to 50 phr, preferably from 2 phr to 40 phr, more preferably from 4 phr to 30 phr, of at least one layered material, said at least one layered material having an individual layer thickness of from 0.2 nm to 30 nm, preferably of from 0.3 nm to 15 nm, more preferably of from 0.5 nm to 2 nm; wherein said at least one layered material shows, in a X-ray powder diffraction (XRPD) pattern, a X-ray intensity ratio (R) defined according to the following formula: ( R) = [A (001) /A (hk0)max ] x 100 wherein: A (001) is the area of the peak (001); A (hko)max is the area of the most intense peak (hk0), at least one of h or k being different from 0; lower than or equal to 20, preferably lower than or equal to 15, more preferably lower than or equal to 10, still more preferably lower than or equal to 5. Preferably, said at least one structural element is selected from bead filler, sidewall insert, tread underlayer, tread base.
    • 轮胎包括至少一种结构元件,其包括通过交联可交联弹性体组合物获得的交联弹性体材料,所述交联弹性体组合物包含:(a)100phr的至少一种弹性体聚合物; (b)0.1phr至15phr,优选0.3phr至10phr的至少一种亚甲基给体化合物; (c)0.4phr至20phr,优选0.8phr至15phr的至少一种亚甲基受体化合物; (d)1phr至50phr,优选2phr至40phr,更优选4phr至30phr的至少一种层状材料,所述至少一种层状材料具有0.2nm至 30nm,优选为0.3nm〜15nm,更优选为0.5nm〜2nm; 其中所述至少一种分层材料在X射线粉末衍射(XRPD)图谱中显示根据下式定义的X射线强度比(R):(R)= [A(001) 其中:A(001)是峰(001)的面积; A(hko)max 是最强峰(hk0)的面积,h或k中的至少一个不同于0; 低于或等于20,优选低于或等于15,更优选低于或等于10,还更优选低于或等于5.优选地,所述至少一个结构元件选自胎圈填料,侧壁插入物 ,胎面底层,胎面基部。
    • 10. 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。