Synthesis and characterization of some novel polyamides containing diacetylene side groups

✍ Scribed by Lioudmila Fomina; Adriana Vega; Sergei Fomine; Ruben Gaviño; Takeshi Ogawa

• Publisher: John Wiley and Sons
• Year: 1996
• Tongue: English
• Weight: 502 KB
• Volume: 197
• Category: Article
• ISSN: 1022-1352
• DOI: 10.1002/macp.1996.021970905

✦ Synopsis

Abstract

A series of novel polyamides containing diacetylene groups as side chains were prepared by Cadiot‐Chodkiewcz‐coupling of polymer precursors bearing 2‐propynyloxy side groups with 4‐bromo‐3‐butyn‐1‐ol. The conversion of the acetylenic groups was in the range of 87.5–96.5% depending on the chemical structure of the polymer backbone. The polymers are highly amorphous and undergo random cross‐linking on heating. Thermally treated polymer films show third‐order nonlinear optical susceptibility χ(3) of the order of 10^−10^ esu (= 10^−18^m^5^/V^2^).