Patent ID: 6068929
Filing Date: 2000-05-30
Classification: C08G,C09D,Y10T

Abstract:
An organosiloxane composition which contains (methyl)styrene groups, prepared fromA) oligomeric or polymeric organosilicon compounds comprising at least one unit of the formulaGR.sub.c SiO.sub.(4-c-1)/2 (I)orat least one unit of the formula (I) and at least one unit of the formulaO.sub.(4-c-1)/2 R.sub.c Si--G.sup.1 --R.sub.c SiO.sub.(4-c-1)/2(II)andB) monomeric alkenyloxy compounds, maleates, fumarates, maleimides, (meth)acrylates, (methyl)styrenes, acrylamides, itaconic esters, oligomeric or polymeric organosilicon compounds containing on average more than one alkenyloxy, maleate, fumarate, maleimide or (meth)acrylate group, or mixtures thereof,where R are identical or different hydrocarbon radicals which may be halogenated or unhalogenated whereG is a radical of the formula (IV) --R.sup.4 -(phenyl) which is substituted by (--Y.sub.(5-d)) and (--R.sup.5.sub.d), with the proviso that at least one radical R.sup.5 is present andG.sup.1 is a radical of the formula (V) --(phenyl)-(R.sup.4).sub.d -- which is substituted by (--Y.sub.(4-d)), whereR.sup.4 is a linear or branched, substituted or unsubstituted alkylene radical,R.sup.5 is a vinyl radical or isopropenyl radical,Y can be identical or different and each Y is a hydrogen atom, or is as defined for R, or is a radical of the formula --OR.sup.6, whereR.sup.6 is an identical or different alkyl radical having 1 to 8 carbon atoms per radical optionally substituted by an ether oxygen atom, andc is 0, 1 or 2, on average from 0.0 to 2.0,d is 1, 2 or 3.