Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
76 words
A curable composition comprising a mixture of an organosiloxane polymer and at least one ethyl- ztenically unsaturated free radical polymerizable organic monomer, characterised in that the organosiloxane polymer includes a plurality of photoinitiating units along the chain thereof the units having the formula: wherein R 1 is alkyl, aryl, alkoxy, substituted alkyl or substituted aryl; R 2 is alkyl, aryl, substituted alkyl or substituted aryl; and R 3 and R 4 and phenyl or substituted phenyl.
Claim 2
Dependent Claim
76 words
A curable composition comprising a mixture of an organosiloxane polymer and at least one ethyl- ztenically unsaturated free radical polymerizable organic monomer, characterised in that the organosiloxane polymer includes a plurality of photoinitiating units along the chain thereof the units having the formula: wherein R 1 is alkyl, aryl, alkoxy, substituted alkyl or substituted aryl; R 2 is alkyl, aryl, substituted alkyl or substituted aryl; and R 3 and R 4 and phenyl or substituted phenyl.
Claim 3
Dependent Claim
44 words
A composition as claimed in Claim 1, characterised in that the ethylenically unsaturated monomer is selected an acrylate, methacylate, maleate or itaconate ester; a vinyl ketone; a styrene; an acrylamide, methacrylamide or an N-substituted derivative thereof or a mixture of any of the foregoing.
Claim 4
Dependent Claim
25 words
A composition as claimed in Claim 2, characterised in that the ethylenically unsaturated monomer is cyclohexylmethacrylate, tetrahydrofurfuryl methacrylate, hexanediol dimethacrylate, isobornylacrylate or a mixture thereof.
Claim 5
Dependent Claim
34 words
A composition as claimed in any of claims 1 to 3 characterised in that the organosiloxane polymer is present in an amount in the range of 1% to 70% by weight of the composition.
Claim 6
Dependent Claim
30 words
A composition as claimed in Claim 4, characterised in that the organosiloxane polymer is present in an amount in the range of 5% to 40% by weight of the composition.
Claim 7
Dependent Claim
27 words
A composition as claimed in any of claims 1 to 5 characterised in that it further comprises an inhibitor which is hydroquinone, benzoquinone or a hindered phenol.
Claim 8
Dependent Claim
22 words
A cured product characterised in that it is produced by curing a composition as claimed in any of claims 1 to 6.