Alk-1-enyl ether silicates

摘要

Subject invention relates to alk-1-enyl ether silicates having the formula [X]4-nSi[OR1OCH=CH-R2]n wherein X is halogen or -OR wherein R is lower alkyl or a mixture of halogen and OR, a mixture of OR and hydrogen or a mixture of halogen and hydrogen; R1 contains from 1 to 8 carbon atoms and is alkylene, alkenylene, alkynylene, optionally alkoxylated with up to 20 units of <IMAGE> wherein Y is hydrogen or methyl and R2 is each hydrogen or lower alkyl and n has a value of from 1 to 4. The invention also relates to the process for preparing the above vinyl ether silicates and to their use as chemically resistant coatings.