## Abstract Melt polycondensation of a mixture of diethyl 5β{6β[4β(4βcyanophenylazo)phenoxy]βhexyloxy}isophthalate and 4,4β²βbis(ethoxycarbonyl)azoxybenzene at various mole ratios with dihydroxyhexamethyleneoxy derivatives of diphenyls in the presence of zinc acetate afforded new combinedβtype semiβ
Synthesis and properties of polyesters having cyanoazobenzene units in the side chain
β Scribed by Moriyuki Sato; Makoto Hayakawa; Kazuo Nakagawa; Ken-ichi Mukaida; Hirofumi Fujiwara
- Publisher
- John Wiley and Sons
- Year
- 1994
- Tongue
- English
- Weight
- 473 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1022-1336
No coin nor oath required. For personal study only.
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## Abstract A βclickβ polymerization of dialkynes that contain an ester linkages and diazides to has been performed to synthesize various polyesters, termed βclick polyestersβ with a high $\overline M \_{\rm n}$ of 1.0βΓβ10^4^ to 7.0βΓβ10^4^ in an excellent yield. This polymerization accompanied a
## Abstract New liquid crystalline monomers having 1,3,4βthiadiazole ring as mesogen were synthesized by using Lawesson's reagents to prepare the thiadiazole ring and acryloyl chloride and methacryloyl chloride to introduce the vinyl group. These monomers were polymerized in the presence of 2,2β²βaz