Abstract: A chemically modified precipitated silica characterised by the presence of alkyl moieties chemically bound to the silica and a process for its manufacture.

Abstract: A precipitated silica having large particle size for use in tire applications. In particular, a precipitated silica characterised by a CTAB surface area SCTAB equal to or greater than 160 m2/g; a median particle size d50, measured by centrifugal sedimentation, such that |d50|>25000/|SCTAB|??(I) wherein |d50| represents the numerical value of the median particle size d50 measured by centrifugal sedimentation and expressed in nm and |SCTAB| represents the numerical value of the CTAB surface area SCTAB expressed in m2/g; and an aluminium content not exceeding 4500 ppm.

Abstract: A precipitated silica for use in tire applications. In particular, a precipitated silica characterised by a CTAB surface area SCTAB greater than 140 m2/g; a width of the aggregate size distribution Ld, measured by centrifugal sedimentation, of at least 1.2; a pH of less than 5.5; and a carbon content of less than 1500 ppm.

Abstract: The present invention relates to an elastomer composition comprising silica and a sulfur-containing aromatic polymer which has improved handling and ease of manufacture. The invention also relates to a process for the preparation of elastomer composition and to an article comprising the same.

Abstract: A chemically modified precipitated silica characterised by the presence of alkyl moieties chemically bound to the silica and a process for its manufacture.

Abstract: Suspensions of silica particles in organic liquids are disclosed as well as a method for their preparation

Abstract: A polyamide blend includes a polyamide polymer, a glass based reinforcing filler, and a hydrolysable silane grafted polypropylene. The polyamide blend is useful in appliances, consumer products, electronics, machine components, and automotive parts.

Abstract: This invention relates to hydrolysable silanes useful in the modification of elastomers, and as coupling agents for diene elastomer compositions containing a filler. In particular the invention relates to novel hydrolysable silanes containing a tertiary amine group and an ether or thioether linkage.

Abstract: This invention relates to hydrolysable silanes useful in the modification of elastomers, and as coupling agents for diene elastomer compositions containing a filler. In particular the invention relates to novel hydrolysable silanes containing an aziridine ring herein named (Az).

Abstract: This invention relates to the treatment of a carbon based filler with a hydrolysable silane to modify the surface of the filler. It also relates to a carbon based filler modified by treatment with a hydrolysable silane, and to polymer compositions containing such a modified carbon based filler.

Abstract: This invention relates to hydrolysable silanes useful in the modification of elastomers, and as coupling agents for diene elastomer compositions containing a filler. In particular the invention relates to novel hydrolysable silanes containing a piperazine ring and an ether or thioether linkage.

Abstract: This invention relates to a process for modifying a polymeric material having a carbon backbone containing carbon-to-carbon unsaturation by reaction with a hydrolysable silane. The polymeric material can for example be a diene elastomer, and the invention relates to a composition comprising a diene elastomer, a hydrolysable silane and a curing agent for the diene elastomer, and also to the use of a hydrolysable silane as a coupling agent for a diene elastomer composition containing a filler.

Abstract: This invention relates to hydrolysable silanes useful in the modification of elastomers, and as coupling agents for diene elastomer compositions containing a filler. In particular the invention relates to novel hydrolysable silanes containing a piperazine ring and an ether or thioether linkage.

Abstract: This invention relates to hydrolysable silanes useful in the modification of elastomers, and as coupling agents for diene elastomer compositions containing a filler. In particular the invention relates to novel hydrolysable silanes containing an aziridine ring herein named (Az).

Abstract: This invention relates to the treatment of carbon based fillers with amines, including piperazines and aziridines, to modify the surface of the filler.

Abstract: This invention relates to the treatment of a carbon based filler with a hydrolysable silane to modify the surface of the filler. It also relates to a carbon based filler modified by treatment with a hydrolysable silane, and to polymer compositions containing such a modified carbon based filler.

Abstract: This invention relates to hydrolysable silanes useful in the modification of elastomers, and as coupling agents for diene elastomer compositions containing a filler. In particular the invention relates to novel hydrolysable silanes containing a tertiary amine group and an ether or thioether linkage.

Abstract: This invention relates to the modification of polymeric materials containing reactive carbon-to-carbon unsaturation and to amines, including piperazines, which are used in such modification. A polymeric material containing carbon-to-carbon bonds can be modified by crosslinking or to make it susceptible to crosslinking.

Abstract: This invention relates to the treatment of a carbon based filler with a hydrolysable silane to modify the surface of the filler. It also relates to a carbon based filler modified by treatment with a hydrolysable silane, and to polymer compositions containing such a modified carbon based filler.

Abstract: This invention relates to the modification of polymeric materials containing reactive carbon-to-carbon unsaturation and to amines, including aziridines, which are used in such modification. A polymeric material containing carbon-to-carbon bonds can be modified by crosslinking or to make it susceptible to crosslinking.