公开(公告)号：EP1173337A1

公开(公告)日：2002-01-23

申请号：EP01905700.9

申请日：2001-01-29

申请人： Sociéte de Technologie Michelin ,  MICHELIN RECHERCHE ET TECHNIQUE S.A.

发明人： RAULINE, Roland

IPC分类号： B60C1/00 ,  C08K3/00 ,  C08L9/08 ,  C08F236/10 ,  C08F2/24

CPC分类号： C08F236/10 ,  B60C1/0016 ,  C08K3/04 ,  C08F2/24 ,  C08L9/06

摘要： The invention concerns a tyre tread comprising a crosslinkable rubber composition comprising at least a styrene and a butadiene copolymer prepared in emulsion, and a method for improving wear resistance of such a tyre tread. The invention concerns a tyre tread including for the major part black carbon as reinforcing filler. The inventive tyre tread includes at least a crosslinkable rubber composition comprising at least a styrene and butadiene elastomeric copolymer prepared in emulsion and a reinforcing filler comprising as major constituent carbon black, said carbon black being present in said composition in an amount not less than 55 parts per hundred parts of said or each polymeric elastomer. Said composition is characterised in that each or said copolymer comprises an emulsifier in an amount varying substantially between 1 and 3.5 parts per hundred of said or each elastomeric copolymer.

公开(公告)号：EP1404755A1

公开(公告)日：2004-04-07

申请号：EP02751056.9

申请日：2002-06-21

申请人： Sociéte de Technologie Michelin ,  Michelin Recherche et Technique S.A.

发明人： DUREL, Olivier ,  RAULINE, Roland

IPC分类号： C08K9/12 ,  C08K3/36 ,  B60C1/00 ,  C08L9/00

CPC分类号： C08K3/36 ,  B60C1/0016 ,  C08K9/12 ,  C08L9/00 ,  C08L9/06 ,  Y02T10/862 ,  C08L21/00 ,  C08L2666/08

摘要： The invention relates to a tyre tread comprising an elastomer composition reinforced with silica and made from at least (pce = parts by weight per 100 parts of diene elastomer): (i) a diene elastomer; (ii) by way of a reinforcing filler, more than 80 pce of an inorganic filler consisting wholly or partly of a silica (called LS) having the following characteristics: (a) a BET specific surface area of between 50 and 100 m2/g; (b) an average particle size d¿w? of between 50 and 350 nm; (iii) a coupling agent that is used to link the reinforcing inorganic filler and the diene elastomer; (iv) a sulphur-based vulcanisation system. Preferably, said LS silica has a deagglomeration speed α that is greater than 5.10 -3 νm-1/min (measured with the deagglomeration test using ultrasound). In comparison to a standard tyre tread for green tyres reinforced with a silica having a higher specific surface area, the inventive tyre tread is provided with an improved performance trade-off in terms of wear resistance, rolling resistance, adhesion and drift thrust.

公开(公告)号：EP1392769A1

公开(公告)日：2004-03-03

申请号：EP02735225.1

申请日：2002-04-05

申请人： Sociéte de Technologie Michelin ,  Michelin Recherche et Technique S.A.

发明人： DUREL, Olivier ,  RAULINE, Roland ,  GUENNOUNI, Nathalie

IPC分类号： C08K5/548 ,  C08L21/00 ,  B60C1/00 ,  B29D30/00

CPC分类号： C08K5/548 ,  B60C1/00 ,  B60C1/0016 ,  B60C1/0025 ,  B60C15/06 ,  B60C2015/0614 ,  C08L21/00 ,  C08L9/00

摘要： The invention concerns a tyre or a running tread incorporating an elastomeric composition with improved vulcanization kinetics, based on at least a diene elastomer, a reinforcing inorganic filler and, as coupling agent (inorganic filler/elastomer), a bis-alkoxysilane tetrasulphide of formula (I) wherein: the symbols R1, identical or different, represent each a monovalent hydrocarbon group selected among alkyls, linear or branched, having 1 to 4 carbon atoms; R2 and R3, identical or different, represent each a monovalent hydrocarbon group selected among alkyls, linear or branched, having 1 to 6 carbon atoms and the phenyl radical; x is an integer or a fraction number between 3 and 5.

公开(公告)号：EP1173338A1

公开(公告)日：2002-01-23

申请号：EP01948964.0

申请日：2001-01-29

申请人： Sociéte de Technologie Michelin ,  Michelin Recherche et Technique S.A.

发明人： RAULINE, Roland

IPC分类号： B60C1/00 ,  C08K3/00 ,  C08L9/08 ,  C08F236/10 ,  C08F2/24

CPC分类号： C08F236/10 ,  B60C1/0016 ,  C08K3/013 ,  C08F2/24 ,  C08L9/06

摘要： The invention concerns a tyre tread comprising a crosslinkable rubber composition including at least a styrene and a butadiene copolymer prepared in emulsion, and a method for improving the wear resistance of such a tread. The invention concerns a tyre tread comprising for the major part a white reinforcing filler as reinforcement filler. The inventive tyre tread comprises a crosslinkable rubber composition including at least a styrene and a butadiene copolymer prepared in emulsion and a reinforcing filler including as major component a white reinforcing filler, said white reinforcing filler being present in said composition in an amount not less that 40 parts per hundred parts of said or each polymeric elastomer. Said composition is characterised in that said or each copolymer comprising an emulsifier in an amount substantially varying between 1 to 3.5 parts per hundred parts of said or each elastomeric copolymer.

公开(公告)号：EP1392769B1

公开(公告)日：2012-01-25

申请号：EP02735225.1

申请日：2002-04-05

申请人： Société de Technologie Michelin ,  Michelin Recherche et Technique S.A.

发明人： DUREL, Olivier ,  RAULINE, Roland ,  GUENNOUNI, Nathalie

IPC分类号： C08K5/548 ,  C08L21/00 ,  B60C1/00 ,  B29D30/00

CPC分类号： C08K5/548 ,  B60C1/00 ,  B60C1/0016 ,  B60C1/0025 ,  B60C15/06 ,  B60C2015/0614 ,  C08L21/00 ,  C08L9/00

摘要： The invention concerns a tyre or a running tread incorporating an elastomeric composition with improved vulcanization kinetics, based on at least a diene elastomer, a reinforcing inorganic filler and, as coupling agent (inorganic filler/elastomer), a bis-alkoxysilane tetrasulphide of formula (I) wherein: the symbols R1, identical or different, represent each a monovalent hydrocarbon group selected among alkyls, linear or branched, having 1 to 4 carbon atoms; R2 and R3, identical or different, represent each a monovalent hydrocarbon group selected among alkyls, linear or branched, having 1 to 6 carbon atoms and the phenyl radical; x is an integer or a fraction number between 3 and 5.

公开(公告)号：EP1419195B1

公开(公告)日：2010-04-21

申请号：EP02740742.8

申请日：2002-06-21

申请人： Société de Technologie Michelin ,  Michelin Recherche et Technique S.A.

发明人： DUREL, Olivier ,  RAULINE, Roland

IPC分类号： C08K9/12 ,  C08K3/36 ,  B60C1/00 ,  C08L9/00

CPC分类号： C08K3/36 ,  B60C1/0016 ,  C08K7/18 ,  C08K9/12 ,  C08L9/00 ,  C08L9/06 ,  Y02T10/862 ,  C08L21/00 ,  C08L2666/08

摘要： The invention relates to a tyre tread comprising an elastomer composition reinforced with an inorganic filler and made from at least: (i) a diene elastomer; (ii) by way of a reinforcing inorganic filler, more than 80 pce of a silica having a low specific surface area and the following characteristics: (a) a BET specific surface area of less than 130 m2/g; (b) an average particle size d¿w? of between 30 and 300 nm; (iii) a coupling agent that is used to connect the reinforcing inorganic filler and the diene elastomer; (iv) and a vulcanisation system comprising sulphur, a vulcanisation accelerator and, by way of a vulcanising activator, between 0.5 and 1.5 pce of zinc. Preferably, said silica has a deagglomeration speed α that is greater than 5.10?3 νm1¿/min (measured with the deagglomeration test using ultrasound). In comparison to a standard tyre tread for green tyres reinforced with a silica having a higher specific surface area, the inventive tyre tread is provided with an improved performance trade-off (wear resistance/rolling resistance/wet surface adhesion). Owing to the low zinc level, an increase in induction times during vulcanisation can be mitigated when a silica having a low specific surface area is used.

公开(公告)号：EP1419195A1

公开(公告)日：2004-05-19

申请号：EP02740742.8

申请日：2002-06-21

申请人： Société de Technologie Michelin ,  Michelin Recherche et Technique S.A.

发明人： DUREL, Olivier ,  RAULINE, Roland

IPC分类号： C08K9/12 ,  C08K3/36 ,  B60C1/00 ,  C08L9/00

CPC分类号： C08K3/36 ,  B60C1/0016 ,  C08K7/18 ,  C08K9/12 ,  C08L9/00 ,  C08L9/06 ,  Y02T10/862 ,  C08L21/00 ,  C08L2666/08

摘要： The invention relates to a tyre tread comprising an elastomer composition reinforced with an inorganic filler and made from at least: (i) a diene elastomer; (ii) by way of a reinforcing inorganic filler, more than 80 pce of a silica having a low specific surface area and the following characteristics: (a) a BET specific surface area of less than 130 m2/g; (b) an average particle size d¿w? of between 30 and 300 nm; (iii) a coupling agent that is used to connect the reinforcing inorganic filler and the diene elastomer; (iv) and a vulcanisation system comprising sulphur, a vulcanisation accelerator and, by way of a vulcanising activator, between 0.5 and 1.5 pce of zinc. Preferably, said silica has a deagglomeration speed α that is greater than 5.10?3 νm1¿/min (measured with the deagglomeration test using ultrasound). In comparison to a standard tyre tread for green tyres reinforced with a silica having a higher specific surface area, the inventive tyre tread is provided with an improved performance trade-off (wear resistance/rolling resistance/wet surface adhesion). Owing to the low zinc level, an increase in induction times during vulcanisation can be mitigated when a silica having a low specific surface area is used.

摘要翻译： 本发明涉及一种轮胎胎面，其包含用无机填料增强的弹性体组合物并且至少由以下物质制成：（i）二烯弹性体; （ii）借助于增强无机填料，制备多于80重量份的具有低比表面积和以下特征的二氧化硅：（a）小于130m 2 / g的BET比表面积; （b）平均颗粒尺寸d？w？ 在30和300nm之间; （iii）用于连接增强无机填料和二烯弹性体的偶联剂; （iv）和硫化体系，所述体系包含硫磺，硫化促进剂和硫化活化剂，所述硫化活化剂为0.5-1.5重量份的锌。 优选地，所述二氧化硅具有大于5.10±3νm1/ min（通过使用超声的解聚试验测量）的解聚速度α。 与用具有较高比表面积的二氧化硅增强的生轮胎的标准轮胎胎面相比，本发明的轮胎胎面具有改进的性能折衷（耐磨性/滚动阻力/湿表面附着力）。 由于锌含量低，当使用具有低比表面积的二氧化硅时，硫化过程中诱导时间的增加可以减轻。