18-04-2013 дата публикации
Номер: US20130096224A1
Принадлежит:
A photoinitiator of the general formula (I): (—(R(A))—(R(A)-0)—(R3(A)-0)))-C(0)NH—R(A)-NHC(0))- wherein R(R, R, Rand Rand m, n, o, p, q, r, s, t, u and v are as defined herein and A, A, A, Aand Aare identical or different photoinitiator moieties. 1. A polymeric photoinitiator of the general formula I:{'br': None, 'sub': 1', '1', 'm', 'u', '2', '2', 'n', 'o', '3', '3', 'p', 'q', '4', '4', 'r', 'v', '5', '5', 's', 't, '(—(R(A))-(R(A)-O)—(R(A)-O)—(R(A))-C(O)NH—R(A)-NHC(O))—\u2003\u2003(I)'}{'sub': 2', '3', '5, 'wherein R, Rand Rcan each independently be selected from C1-C25 linear alkyl, C3-C25 branched alkyl, C3-C25 cycloalkyl, aryl and heteroaryl groups such as any aromatic hydrocarbon with up to 20 carbon atoms;'}{'sub': 1', '4', '1', '4, 'Rand Rare each independently selected from C1-C25 linear alkyl, C3-C25 branched alkyl, C3-C25 cycloalkyl, aryl, heteroaryl, hydrogen, —OH, —CN, halogens, amines, amides, alcohols, ethers, thioethers, sulfones and derivatives thereof, sulfonic acid and derivatives thereof, sulfoxides and derivatives thereof, carbonates, nitrates, acrylates, hydrazine, azines, hydrazides, polyethylenes, polypropylenes, polyesters, polyamides, polyacrylates, polystyrenes, and polyurethanes; and when Rand Rare alkyl and aryl groups, they may be substituted with one or more substituents selected from CN; OH; azides; esters;'}{'sub': 2', '2', '1', '8', '3', '8, 'ethers; amides; halogen atoms; sulfones; sulfonic derivatives; NHor Nalk, where alk is any C-Cstraight chain alkyl group, C-Cbranched or cyclic alkyl group;'}m, n, p, and r are independently real numbers from 0 to 10 and s is a real number greater than or equal to 1;o and q are independently real numbers from 0 to 10000, provided that both o and q are not zero;u and v are independently real numbers from 0 to 1;t is an integer from 1 to 10000; and{'sub': 1', '2', '3', '4', '5, 'A, A, A, Aand Aare identical or different photoinitiator moieties.'}2. The polymeric photoinitiator according to claim 1 ...
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