公开(公告)号：WO2014191953A1

公开(公告)日：2014-12-04

申请号：PCT/IB2014/061814

申请日：2014-05-29

Applicant: PIRELLI TYRE S.P.A.

Inventor： ROMANI, Francesco ,  DE CANCELLIS, Pierluigi ,  TESTI, Stefano ,  LONGONI, Alessio

IPC: B29B7/74 ,  B29B7/00 ,  B29C47/38 ,  B29B7/88 ,  B29D30/58 ,  B29C47/40 ,  B29C47/10 ,  B29C47/36 ,  B29C47/64 ,  B29B7/84 ,  B29K221/00 ,  B29K61/00

CPC classification number: B29D30/58 ,  B29B7/7461 ,  B29B7/7466 ,  B29B7/7495 ,  B29B7/845 ,  B29B7/88 ,  B29C47/1081 ,  B29C47/366 ,  B29C47/40 ,  B29C47/64 ,  B29C47/92 ,  B29C2947/92704 ,  B29K2061/00 ,  B29K2093/00 ,  B29K2221/00 ,  B60C1/0016 ,  B60C2007/146

Abstract: The invention relates to a process for producing a tyre (100) for vehicle wheels, wherein the tread band (109) of the green tyre comprises at least one tread compound (209), including at least one resin in a total amount higher than 20 phr, said tread compound (209) being produced by: feeding to at least one mixing apparatus (201a) comprising at least one discontinuous mixer (201) and/or at least one continuous mixer (305) at least the following components of a first elastomeric compound (204): at least one elastomeric polymer, at least one reinforcing filler (202) and at least one vulcanizing agent; mixing and dispersing said components so as to obtain said first elastomeric compound (204); discharging said first elastomeric compound (204) from said mixing apparatus (201 a) and feeding said first elastomeric compound (204) and at least one part (207) of said amount of at least one resin into at least one continuous mixer (205).

Abstract translation: 本发明涉及一种用于车轮的轮胎（100）的制造方法，其中，生胎的胎面带（109）包括至少一种胎面组合物（209），其包含总量高于20的至少一种树脂 所述胎面化合物（209）通过以下方式制备：至少一种包含至少一个不连续混合器（201）和/或至少一个连续混合器（305）的混合装置（201a），至少一个第一 弹性体化合物（204）：至少一种弹性体聚合物，至少一种增强填料（202）和至少一种硫化剂; 混合和分散所述组分以获得所述第一弹性体化合物（204）; 将所述第一弹性体化合物（204）从所述混合装置（201a）排出并将所述第一弹性体化合物（204）和所述量的至少一种树脂的至少一部分（207）进料至至少一个连续混合器（205） 。

公开(公告)号：WO2023084475A1

公开(公告)日：2023-05-19

申请号：PCT/IB2022/060910

申请日：2022-11-14

Applicant: PIRELLI TYRE S.P.A.

Inventor： ROMANI, Francesco

IPC: C08L7/00 ,  B60C1/00

Abstract: The present invention relates to compositions for elastomeric compounds of tires, comprising a new secondary cross-linking system comprising at least one methylenes donor agent and at least one methylenes acceptor agent selected from furoic acid, its esters or its salts, tire components and tires for vehicles wheels comprising them.

公开(公告)号：WO2023037239A1

公开(公告)日：2023-03-16

申请号：PCT/IB2022/058367

申请日：2022-09-06

Applicant: PIRELLI TYRE S.P.A.

Inventor： ROMANI, Francesco ,  WAGEMANN, Juergen ,  LOSTRITTO, Angela

IPC: C08L9/00 ,  B60C1/00 ,  C08K5/00

Abstract: The present invention relates to a tyre for vehicle wheels comprising a tread made with a vulcanised elastomeric compound obtained by vulcanising a vulcanisable elastomeric compound comprising: (i) 100 phr of an elastomeric polymer composition comprising, preferably consisting of: a. at least one styrene-butadiene polymer (SBR) in an amount of from 70 to 100 phr, and b. optionally, from 0 to 30 phr of at least one elastomeric polymer selected from the group consisting of isoprene polymer (IR) and butadiene polymer (BR), (ii) from 50 to 100 phr of a mixture of resins and/or plasticising oils, (iii) at least one reinforcing filler in an amount of from 50 to 130 phr, (iv) at least one vulcanising agent in an amount of from 0.1 to 12 phr, and (v) from 0.1 to 5 phr of an organic salt of zinc having the following structural formula (I), wherein the groups R1, R2 and R3, equal or different from each other, are a hydrogen atom or a linear or branched alkyl chain comprising from 1 to 10 carbon atoms, preferably from 1 to 8 carbon atoms, and wherein the groups R1, R2 and R3 comprise a total of from 8 to 10 carbon atoms.