Abstract: Self-adhesive addition-crosslinking silicone compositions contain (A) at least one diorganopolysiloxane, (B) at least one SiH-containing crosslinker containing a defined fraction of radicals, with the proviso that the viscosity of the organohydropolysiloxane (B) as determined at 25° C. is 5 mPa·s to 5 Pa·s, (C) at least one organohydrooligosiloxane, and (D) at least one hydrosilylation catalyst.

Abstract: Addition crosslinkable silicone compositions with excellent adhesion to polymer and other substrates contain an Si—H functional cycloorganosiloxane and an adhesion promoter having at least two aryl moieties linked by an intermediary linking group and containing at least one aliphatically unsaturated group.

Abstract: The present invention relates to silicone rubber compositions and long-term-stress-resistant silicone elastomers obtained therefrom, which have excellent resistance to long-term dynamic mechanical stresses, and to their use.

Abstract: Polyorganosiloxane compositions crosslinkable by addition of Si-bonded hydrogen to aliphatic carbon-carbon multiple bonds which have extended pot life or are preparable as storage stable one component compositions including latent catalysts of specific platinum complexes.

Abstract: Platinum 1,3-diketo compounds are prepared by stirring a dichloroplatinum compound and a diketo compound in a keto solvent at below 10° C. for from 5 minutes to 90 minutes and isolating the reaction product. The product is obtained in high purity suitable for use as a catalyst for preparing polymer articles suitable for use in the medical and food industries.

Abstract: Platinum 1,3-diketo compounds are prepared by stirring a dichloroplatinum compound and a diketo compound in a keto solvent at below 10° C. for from 5 minutes to 90 minutes and isolating the reaction product. The product is obtained in high purity suitable for use as a catalyst for preparing polymer articles suitable for use in the medical and food industries.

Abstract: Primer compositions comprising (A) organopolysiloxanes having at least four ethylenically unsaturated radicals R1 per molecule, (B) organosilane or organocarbosilane compounds having at least one hydrolyzable group selected from —OR2, —NR22, R2—C(?O)—N(R2)— or —O—N?CR22, where R2 is an optionally substituted alkyl group, (C) fillers, such as reinforcing fillers, silicone resins or hydrolysis condensates of at least one organosilicon compound (B) defined above, and (D) solvents, such as organic solvents of low molecular weight cyclic or linear polyorganosilicon compounds, provide high adhesive strength between a variety of substrates and silicone rubber compositions, such that composites of improved properties may be produced.

Abstract: Self-adhesive addition-crosslinking silicone compositions contain (A) at least one diorganopolysiloxane, (B) at least one SiH-containing crosslinker containing a defined fraction of radicals, with the proviso that the viscosity of the organohydropolysiloxane (B) as determined at 25° C. is 5 mPa·s to 5 Pa·s, (C) at least one organohydrooligosiloxane, and (D) at least one hydrosilylation catalyst.

Abstract: Addition crosslinkable organopolysiloxane compositions employ specific rhodium catalysts. The compositions exhibit storage stability and crosslink effectively to provide highly transparent and colorless organopolysiloxane elastomers.

Abstract: Self-adhesive addition-crosslinking silicone compositions, contain two adhesion promoters, a first, multinuclear aromatic compound containing at least one moiety of aliphatic unsaturation, and a low viscosity organopolysiloxane having at least one terminal, silicon-bonded hydrogen. The addition curable materials exhibit strong adhesion to substrates, even substrates which have exhibited problematic adhesion to silicone elastomers in the past.

Abstract: Shaped bodies comprise addition-crosslinked silicone elastomers crosslinked in the presence of at least one rhodium or iridium catalyst or mixtures of both catalyst types. The shaped bodies may be made transparent and colorless and are well suited for use as food and baking molds in the food industry. The catalyzed addition-crosslinkable components display excellent pot life as well as good high temperature cure.

Abstract: Addition-crosslinking silicone compositions comprise (A) diorganopolysiloxanes R1aR2bSiO(4?a?b)/2 wherein R1 is hydroxyl or a monovalent C1-20 hydrocarbon radical free of aliphatic unsaturation, R2 is a monovalent aliphatically unsaturated C1-10 hydrocarbon radical, a has a value from 1.0 to 2.0, b is 0.0003 to 2, and 1.5<(a+b)<3.

Abstract: The present invention relates to silicone rubber compositions and long-term-stress-resistant silicone elastomers obtained therefrom, which have excellent resistance to long-term dynamic mechanical stresses, and to their use.

Abstract: Polyorganosiloxane compositions crosslinkable by addition of Si-bonded hydrogen to aliphatic carbon-carbon multiple bonds which have extended pot life or are preparable as storage stable one component compositions including latent catalysts of specific platinum complexes.

Abstract: Organosilicon compounds having alkynol groups and containing units of the formula where R3 and R2 are optionally substituted hydrocarbon radicals, R4 are divalent organic radicals, and X is a linking group are useful in addition crosslinkable compositions. The compositions exhibit long pot life and yet also exhibit excellent cure, and are useful, inter alia, in preparing molded articles and coatings.

Abstract: Addition crosslinkable organopolysiloxane compositions employ specific rhodium catalysts. The compositions exhibit storage stability and crosslink effectively to provide highly transparent and colorless organopolysiloxane elastomers.

Abstract: Self-adhesive addition-crosslinking silicone compositions, contain two adhesion promoters, a first, multinuclear aromatic compound containing at least one moiety of aliphatic unsaturation, and a low viscosity organopolysiloxane having at least one terminal, silicon-bonded hydrogen. The addition curable materials exhibit strong adhesion to substrates, even substrates which have exhibited problematic adhesion to silicone elastomers in the past.

Abstract: Primer compositions comprising

Abstract: Organosilicon compounds having alkynol groups and containing units of the formula 1

Abstract: Shaped bodies comprise addition-crosslinked silicone elastomers crosslinked in the presence of at least one rhodium or iridium catalyst or mixtures of both catalyst types. The shaped bodies may be made transparent and colorless and are well suited for use as food and baking molds in the food industry. The catalyzed addition-crosslinkable components display excellent pot life as well as good high temperature cure.