Reactive organic filler and the use thereof

Details Reactive organic filler and the use thereof Reactive organic filler and the use thereof

C - Chemistry, Metallurgy

08

F

402/106

C08F 2/44 (2006.01) A61K 6/08 (2006.01) A61K 6/083 (2006.01) A61K 6/087 (2006.01) A61K 6/09 (2006.01) C09C 3/08 (2006.01)

Patent

CA 1290888

ABSTRACT An organic filler is in the form of a solid powder prepared by non-radical polymerisation. The filler comprises reactive double bonds which are not extractable with solvents in an amount (as determined by the DSC method) of at least 0.5 nmoles/g of the organic filler material. The polymer comprises the reaction product of active hydroxy group-containing (meth)acrylates with isocyanates in an OH-group to NCO-group ratio of approximately 1:1, at least one of the monomers being at least trifunctional. In one embodiment the isocyanate is triisocyanate.

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