Adhesion promoting agents

Claim 1

A nitrogen containing silane compound having the formula where R is selected from the group consisting of alkylene, cycloalkylene, alkylene substituted cycloalkylene, arylene, alkylene substituted arylene, alkylene diarylene, alkylene-oxy-alkylene, arylene-oxy-arylene, alkylenearylene-oxy-arylene, alkylenearylene-oxy-alkylenearylene, arylenealkylene-oxy-alkylene, arylenealkylene-oxy-arylenealkylene, alkylene-thio-alkylene, arylene-thio-arylene, arylenealkylene-thio-arylenealkylene, alkylene-sulfonyl-alkylene, arylene-sulfonyl-arylene, alkylenearylene-sulfonyl-arylene, alkylenearylene-sulfonyl-alkylenearylene, arylenealkylene-sulfonyl-alkylene, arylenealkylene-sulfonyl-arylenealkylene, and the corresponding halogenated radicals; X is a radical selected from the group consisting of halo, hydroxy, alkoxy, aryloxy, -N3, -NH2, alkyl substituted amine, amide and organo oxycarbonyl radicals selected from alkyl oxycarbonyl, cycloalkyl oxycarbonyl and aryl oxycarbonyl radicals; T is a radical selected from the group consisting of alkyl, cycloalkyl, aryl, alkaryl, and aralkyl radicals; a is an integer from 1 to 3; b is an integer from 0 to 2; c is an integer from 1 to 10; d is an integer from 1 to 3; and a+b+d equals 4; R'' is a radical selected from the group consisting of hydrogen, alkyl, cycloalkyl, aryl and -COOR'''' radicals; where R'''' is a radical selected from the group consisting of alkyl, cycloalkyl and aryl radicals; wherein the said arylene and aryl radicals are carbocyclic arylenes and aryls, respectively, containing six to 18 carbon atoms, the said alkylene and alkyl radicals contain one to 20 carbon atoms and the said cycloalkylene and cycloalkyl radicals contain three to 20 carbon atoms.