Patent ID: 6576451
Filing Date: 2003-06-10
Classification: C02F,C08G,C12N,Y02W

Abstract:
An oligomer comprising a following formula,(AAâ€”O)kâ€”Bâ€”O(EO)p(PO)qâ€”UAâ€”(O(EO)m(RO)nâ€”UA)eâ€”O(PO)q(EO)pâ€”Bâ€”(Oâ€”AA)k, whereAA denotes an acryloyl group or a metacryloyl group; k denotes 1 or 2; B denotes a carbon backbone of an alkanepolyol having carbon atoms ranging from 2 to 6; EO denotes â€”CH2â€”CH2â€”Oâ€”; p denotes an integer ranging from 1 to 15; PO denotes â€”CH2â€”CH(CH3)â€”Oâ€”; q denotes an integer ranging from 1 to 14; UA denotes a group represented by â€”OCHNâ€”Iâ€”NHCOâ€”, wherein â€”Iâ€” denotes a carbon backbone of an organic diisocyanate; m denotes an integer ranging from 20 to 100; e denotes ranging from 1 to 2; n denotes an integer ranging from 10 to 50; and R denotes an alkylene group having carbon atoms ranging from 3 to 4.