Studies on new photocrosslinkable acrylic homopolymers and copolymers

Abstract

Acrylic polymers and copolymers have acquired prime importance newlinein various avenues of industrial applications The major applications being in newlinetextile leather and building industries These copolymers are widely used as newlinebinders finishing qusailiaries in protective coatings wood composite and newlineleather industries newlineChalcones containing a hydroxy group at the para or meta position newlineof the phenyl ring and fluoro dichloro 24position ethyl ethoxy at the para newline position of the aromatic ring of the styryl unit were synthesized by reacting newlinepara or meta hydroxybenzaldehyde with corresponding substituted newlineacetophenone in the presence of sodium hydroxide in ethanol water mixture newlineby Clasien Schmidt condensation Similarly chalcones having hydroxy newlinegroup at the para meta position of the aromatic ring and ethoxy NNdimethylamino newlineat the para position of the styryl unit were synthesized by newlinereacting para or meta hydroxyacetophenone newline newline