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Preparation and properties of poly(p-phenylene-1,3,5-hexatrienylene)

✍ Scribed by Yoriko Sonoda; Kyoji Kaeriyama


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
472 KB
Volume
33
Category
Article
ISSN
0032-3861

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📜 SIMILAR VOLUMES


Poly(2,5-dialkoxy-p-phenylene)s—synthesi
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## Abstract The synthesis of poly(2,5‐dialkoxy‐__p__‐phenylene)s (PPP) by palladium‐catalyzed polycondensation of 2,5‐dialkoxy‐4‐bromophenylboronic acids is described. Number‐average degrees of polymerization of ca. 30 have been reached at best. The characterization of the polymers by NMR, IR, UV‐V

Properties of fabricated poly-p-phenylen
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## Abstract Mechanical properties of fabricated poly‐__p__‐phenylene (PB) parts are compared to those of commerical polyimide. PB showed excellent retention of strength and stiffness at high temperature. Results of environmental exposure and properties of some PB composites are included. In general