ty !РAlkyl spacer methodРPoly(2a), m=3, R=H, 72%?Poly(2b), m=3, R=Br, 63%?Poly(2c), m=8, R=H, 78%?Poly(2d), m=8, R=Br, 66%РShouchunYin, Hongyao Xu, Polymer, 2005, 46(23):10592-10600.РT =75%Рm ↑, NLO and OL ↓РR = Br, NLO and OL ↓Рpoly(2a)>poly(2b)>poly(2c)>poly(2d)РAlkyl spacer and substituentРShouchunYin, Hongyao Xu*, J. Polym. Sci. Part A, Polym. Chem., 2006, 44:2346-2357?ShouchunYin, Hongyao Xu*, Dyes & Pigment, 2007, 72(1): 119-123.РOL and NLO ??Flexible chain length (p=1)?P1(12)>P1(7)>P1(4) ? Spacer length (m=12)?P1(12)>P2(12)>P3(12)>P4(12)РOxadiazole-Containing Functional PolyacetylenesРCis structure! Cis content(%) ↑, Td , OL and NLO ↑РXin Wang, Hongyao Xu* J Polym Sci: Part A, 2008, 46, 2072–2083 ?Xin Wang, Shanyi Guang, Hongyao Xu*, et al. J. Mater. Chem. 2008, 18: 4204-4209.РT=85%
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