Self-adhering curable silicone adhesive compositions and process for making thereof

A self-adhering curable silicone adhesive composition comprising: (A) an alkenyl substituted organopolysiloxane containing on average at least 0.1 alkenyl groups per molecule; (B) an organohydrogenpolysiloxane containing on average at least 2 silicon-bonded hydrogen atoms per molecule in an amount t...

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Bibliographische Detailangaben
Hauptverfasser:	RHODES, SUSAN, GOKHALE, ABHIJIT, LOXLEY, ANDREW
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	A self-adhering curable silicone adhesive composition comprising: (A) an alkenyl substituted organopolysiloxane containing on average at least 0.1 alkenyl groups per molecule; (B) an organohydrogenpolysiloxane containing on average at least 2 silicon-bonded hydrogen atoms per molecule in an amount that the molar ratio of the total number of the silicon-bonded hydrogen atoms of component (B) to the total quantity of all alkenyl radicals of component (A) is less than 1.3: 1; (C) a hydrosilylation catalyst; (D) an adhesion promoter; and (E) an adhesion catalyst in the form of microscopic particles comprising: (a) a thermally activated semi-crystalline polymer, and (b) at least one organometallic condensation catalyst having a metal M wherein the organometallic condensation catalyst is either admixed or encapsulated with the thermally activated semi-crystalline polymer. A process for making the adhesion catalyst (E).