Abstract: Single-component silicone elastomer compositions (SEA) are crosslinkable by polyaddition into self-adhesive state, contain at least one polyorganosiloxane (POS) including sites of ethylenic and/or acetylenic unsaturation {POS containing units ?Si— [unsaturation]}; at least one polyorganosiloxane (POS) containing units ?Si—H; a catalytic system including at least one metal catalyst and at least one crosslinking inhibitor; a filler; at least one adhesion promoter; optionally, at least one POS resin; optionally, at least one thermal resistance agent; and, optionally, at least one other functional additive, and are useful for gluing, assembling, sealing, e.g., joints, coatings, electrical, electronic and automobile engineering parts.

Abstract: Thermally-stable silicone elastomers are prepared from organopolysiloxane compositions by polyaddition, polycondensation or vulcanization reactions in the presence of peroxide; the thermal stability of the silicone elastomers is achieved by the inclusion of an additive derived from an iron (III) complex.

Abstract: Gels having viscoelastic qualities, physical stability and adhesive properties, well suited for a wide variety of end applications, are prepared by crosslinking, by hydrosilylation, silicone compositions which contain: a polyorganosiloxanes POS (I) of SiH type; a polyorganosiloxanes POS (II) of SiVi type (Vi=vinyl); a polyorganosiloxanes POS (III) of monofunctional SiVi type; a platinum-based catalyst (D); and optionally, a polyorganosiloxanes POS (IV) of polydimethylsiloxane type.

Abstract: The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries. The invention relates to a composition which can be polymerized and/or crosslinked by polyaddition for a battery electrolyte comprising: a) at least one polyorganosiloxane (POS) (A) exhibiting, per molecule, at least two C2-C6 alkenyl groups bonded to silicon and at least one group directly bonded to a silicon atom comprising a polyoxyalkylene (Poa) ether functional group; b) at least one polyorganosiloxane (POS) (B) exhibiting, per molecule, at least two hydrogen atoms bonded to silicon; c) a catalytically effective amount of at least one hydrosilylation catalyst (C); and a) at least one electrolyte salt (D).

Abstract: A polyorganosiloxane composition that can be vulcanized at high temperature to a silicone elastomer, useful in the field of the manufacture of electrical wires or cables having an improved fire performance is provided. The composition includes a semi-reinforcing filler chosen from the group composed of:—calcined kaolin powders, preferably that have undergone a chemical surface treatment;—talc;—calcium carbonate that may or may not have been surface-treated, for example with vinylsilanes, aminosilanes or (reactive or unreactive) silicone oils; and mixtures thereof.

Abstract: Polyorganosiloxane compositions heat-vulcanizable into silicone elastomers are useful in the field of electric wire or cable production via vulcanization employing salt baths.

Abstract: Polyorganosiloxane compositions crosslinkable by polyaddition reactions are provided. Methods for reducing yellowing of a silicone elastomer composition crosslinked by hydrosilylation including adding a polyorganosiloxane resin (D), comprising at least one Si-alkenyl unit, preferably Si-vinyl, to the silicone elastomer composition prior to crosslinking are also provided.

Abstract: Thermally-stable silicone elastomers are prepared from organopolysiloxane compositions by polyaddition, polycondensation or vulcanization reactions in the presence of peroxide; the thermal stability of the silicone elastomers is achieved by the inclusion of an additive derived from an iron (III) complex.

Abstract: The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries. The invention relates to a composition which can be polymerized and/or crosslinked by dehydrocondensation for a battery electrolyte comprising: a) at least one organohydropolysiloxane (POS) (A) having, per molecule, at least 2 hydrogen atoms directly bonded to silicon atoms; b) at least one organohydroxypolysiloxane (POS) (B) having, per molecule, at least 2 —OH groups directly bonded to silicon atoms; c) an effective amount of a dehydrocondensation catalyst (C); and d) at least one electrolyte salt (D); with the condition that the POS (A) and/or the POS (B) comprise(s), per molecule, at least one siloxyl unit comprising at least one group directly bonded to a silicon atom comprising a polyoxyalkylene (Poa) ether functional group.

Abstract: Polyorganosiloxane compositions heat-vulcanizable into silicone elastomers are useful in the field of electric wire or cable production via vulcanization employing salt baths.

Abstract: A polyorganosiloxane composition that can be vulcanized at high temperature to a silicone elastomer, useful in the field of the manufacture of electrical wires or cables having an improved fire performance is provided. The composition includes a semi-reinforcing filler chosen from the group composed of:—calcined kaolin powders, preferably that have undergone a chemical surface treatment;- talc;- calcium carbonate that may or may not have been surface-treated, for example with vinylsilanes, aminosilanes or (reactive or unreactive) silicone oils; and mixtures thereof.

Abstract: Single-component silicone elastomer compositions (SEA) are crosslinkable by polyaddition into self-adhesive state, contain at least one polyorganosiloxane (POS) including sites of ethylenic and/or acetylenic unsaturation {POS containing units ?Si— [unsaturation]}; at least one polyorganosiloxane (POS) containing units ?Si—H; a catalytic system including at least one metal catalyst and at least one crosslinking inhibitor; a filler; at least one adhesion promoter; optionally, at least one POS resin; optionally, at least one thermal resistance agent; and, optionally, at least one other functional additive, and are useful for gluing, assembling, sealing, e.g., joints, coatings, electrical, electronic and automobile engineering parts.

Abstract: The invention relates to adhesive silicone elastomer compositions which can be crosslinked by polyaddition. The composition, crosslinkable by polyaddition (hydrosilylation), comprises: ?/ at least one polyorganosiloxane (POS) bearing ethylenic and/or acetylenic unsaturations [POS with ?Si-(unsaturated) units]; ?/ at least one polyorganosiloxane (POS) with ?Si—H units; ?/ a catalytic combination comprising ?.1 at least one metallic catalyst (preferably platinum based), ?.2 and at least one crosslinking inhibitor; ?/ a filler; ?/ at least one adhesion promoter; ?/ at least one POS resin; ?/ at least one thermal resistance agent; and ?/ optionally at least one other functional additive. Methods of making and using the subject composition are also described.

Abstract: The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries. The invention relates to a composition which can be polymerized and/or crosslinked by polyaddition for a battery electrolyte comprising: a) at least one polyorganosiloxane (POS) (A) exhibiting, per molecule, at least two C2-C6 alkenyl groups bonded to silicon and at least one group directly bonded to a silicon atom comprising a polyoxyalkylene (Poa) ether functional group; b) at least one polyorganosiloxane (POS) (B) exhibiting, per molecule, at least two hydrogen atoms bonded to silicon; c) a catalytically effective amount of at least one hydrosilylation catalyst (C); and a) at least one electrolyte salt (D).

Abstract: The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries. The invention relates to a composition which can be polymerized and/or crosslinked by dehydrocondensation for a battery electrolyte comprising: a) at least one organohydropolysiloxane (POS) (A) having, per molecule, at least 2 hydrogen atoms directly bonded to silicon atoms; b) at least one organohydroxypolysiloxane (POS) (B) having, per molecule, at least 2 —OH groups directly bonded to silicon atoms; c) an effective amount of a dehydrocondensation catalyst (C); and d) at least one electrolyte salt (D); with the condition that the POS (A) and/or the POS (B) comprise(s), per molecule, at least one siloxyl unit comprising at least one group directly bonded to a silicon atom comprising a polyoxyalkylene (Poa) ether functional group.

Abstract: Gels having viscoelastic qualities, physical stability and adhesive properties, well suited for a wide variety of end applications, are prepared by crosslinking, by hydrosilylation, silicone compositions which contain: a polyorganosiloxanes POS (I) of SiH type; a polyorganosiloxanes POS (II) of SiVi type (Vi=vinyl); a polyorganosiloxanes POS (III) of monofunctional SiVi type; a platinum-based catalyst (D); and optionally, a polyorganosiloxanes POS (IV) of polydimethylsiloxane type.

Abstract: The invention concerns a silicone composition crosslinkable into elastomer by hydrosilylation, in the presence of carbene-based metal catalysts. The invention aims at providing a composition of that type, stable over long periods at room temperature (one day to several months), without loss of its characteristic of being heat-curable by hydrosilylation and without generating secondary isomerization or coloring reactions. The invention is characterised in that the composition comprises: a polyorganovinylsiloxane(polydimethyl)(methylvinyl) siloxane; a polyorganohydrogenosiloxane; a platinum catalyst formed by a complex of formula C3 and optionally an acetylene crosslinking inhibitor, optionally a siliceous filler. The invention also concerns novel hydrosilylation catalysts of the metal complex type of formula C3 above.

Abstract: The invention relates to adhesive silicone elastomer compositions which can be crosslinked by polyaddition. The composition, crosslinkable by polyaddition (hydrosilylation), comprises: ?/ at least one polyorganosiloxane (POS) bearing ethylenic and/or acetylenic unsaturations [POS with?Si-(unsaturated) units]; ?/ at least one polyorganosiloxane (POS) with ?Si—H units; ?/ a catalytic combination comprising ?.1 at least one metallic catalyst (preferably platinum based), ?.2 and at least one crosslinking inhibitor; ?/ a filler; ?/ at least one adhesion promoter; ?/ at least one POS resin; ?/ at least one thermal resistance agent; and ?/ optionally at least one other functional additive. Methods of making and using the subject composition are also described.

Abstract: The invention concerns a silicone composition crosslinkable into elastomer by hydrosilylation, in the presence of carbene-based metal catalysts. The invention aims at providing a composition of that type, stable over long periods at room temperature (one day to several months), without loss of its characteristic of being heat-curable by hydrosilylation and without generating secondary isomerization or colouring reactions. The invention is characterised in that the composition comprises: a polyorganovinylsiloxane (polydimethyl)(methylvinyl) siloxane; a polyorganohydrogenosiloxane; a platinum catalyst formed by a complex of formula C3 and optionally an acetylene crosslinking inhibitor, optionally a siliceous filler. The invention also concerns novel hydrosilylation catalysts of the metal complex type of formula C3 above. The life span of the potted single-constituent compositions of the invention is significantly increased.