Poly(ethylenically unsaturated alkoxy) heterocyclic compounds

A compound of the formula:

• A.sup.1 --Z--A.sup.2
• wherein A.sup.1 and A.sup.2 are independently groups having terminal ethylenic unsaturation said groups having the formula:
• ##STR19## in which R--O-- is a monovalent residue of an aliphatic terminally unsaturated primary alcohol, ROH, where R is selected from the formulae:
• ##STR20## wherein E is selected from the formulae ##STR21## a and c are independently integers of from 1 to 6, b is zero or an integer of from 1 to 6,
• R.sup.1 and R.sup.4 are independently hydrogen or methyl,
• R.sup.5 is an aliphatic group having 1 to 15 carbon atoms which may be interrupted with up to two groups selected from the class consisting of ether oxygen groups or ##STR22## R.sup.5 having a valence of m+1 wherein m is an integer of 1 to 5, R.sup.2 is selected from the group of hydrogen, ##STR23## wherein R.sup.6 is selected from alkyl and alkenyl groups having up to 5 carbon atoms,
• R.sup.7 is an aliphatic group of up to 8 carbon atoms or aromatic group of up to 8 carbon atoms,
• R.sup.3 is an alkylene group having 1 to 6 carbon atoms and up to one catenary oxygen in the group, and
• Z is a heterocyclic group of the formula:
• ##STR24## wherein X is a divalent group required to complete a 5-membered heterocyclic ring and is selected from the group of ##STR25## wherein R.sup.8 and R.sup.9 are independently selected from hydrogen, alkyl groups of 1 to 4 carbon atoms, cycloalkyl groups of 3 to 6 carbon atoms, and phenyl groups, and
• A.sup.3 is a group having terminal ethylenic unsaturation as defined above for A.sup.1 and A.sup.2.