Radiation curable urethane (meth)acrylate polymer and adhesives formulated with them

Claimed of general formula (1) which are in a UV a (meth) acrylate polymer: Method and R'1 MFI is hydrogen or C1-20 alkyl, R2 R'2, r2, R3 and R4 are each independently a divalent organic group of claims 8-9, about 6 to at about claim 100 of p, wherein the polymer is used as the composite material and/or the pressure-sensitive adhesive, further - comprising a claimed in preparing method thereof. The polyurethaneurea alkyl chain expanding main chain is oligomer/polymer comprising a polymer/and polyol is formed from rubber oligomer is diisocyanate.