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US 4,888,404 AGranted
Method of improving shelf life of silicone elastomeric sealant
AssigneeDow Corning Corporation
InventorsJerome M. Klosowski, Michael D. Meddaugh
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Abstract
The method of this invention produces an elastomeric silicone sealant having an improved shelf life. The sealant comprises an alkoxysilethylene ended polydiorganosiloxane polymer, an alkoxytrialkoxysilane crosslinker, and a titanium catalyst.
Claims3
A silicone polymer of the formula,
- where each R is free of aliphatic unsaturation and is selected from the group consisting of monovalent hydrocarbon, monovalent halohydrocarbon, and monovalent cyanoalkyl radicals of 1 to 18 inclusive carbon atoms, each R" is methyl, ethyl, propyl, or butyl, a is 0 or 1, b is 1, c is from 1 to 6, and x is of a value such that the polymer has a viscosity of from 0.5 to 3000 Pa.s at 25.degree. C.
Dependencies are inferred from the claim text.