| http://www.w3.org/ns/prov#value | - The silanes which have been found operative in producing the improved abrasion resistant effect are those of the general formula -R,,Si(OR) wherein each R is a monovalent hydrocarbon or halohydrocarbon radical and R is an alkyl radical containing less than 5 carbon atoms or is the radical CH CH OQ wherein Q is an alkyl radical or the phenyl radical, and n has a value of 0, l, 2 or 3.
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