| 摘要 |
A photoinitiator of the general formula (I): (-(R1(A1)m)u-(R2(A2)n-0)0-(R3(A3)p-0)q-(R4(A4)r)v-C(0)NH-R5(A5)5-NHC(0))t- wherein R1(R2, R3, R4 and R5 and m, n, o, p, q, r, s, t, u and v are as defined herein and A1, A2, A3, A4 and A5 are identical or different photoinitiator moieties.
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