Photochemistry of polymeric systems VII. Photo-cross-linking of liquid polysiloxanes including cinnamic groups

✍ Scribed by Etienne Lemaitre; Xavier Coqueret; Régis Mercier; Alain Lablache-Combier; Claude Loucheux

• Publisher: John Wiley and Sons
• Year: 1987
• Tongue: English
• Weight: 576 KB
• Volume: 33
• Category: Article
• ISSN: 0021-8995
• DOI: 10.1002/app.1987.070330628

✦ Synopsis

Cinnamoyloxymethyl dimethyl vinyl silane was synthesized and bound to a series of commercial polydimethylsiloxanetype copolymers bearing variable amounts of Si-H functions through a hydrosilylation reaction. This reaction was controlled in order to avoid side reactions between the photosensitive unsaturated moiety and the Si-H groups.

The photosensitivity of polymeric films was studied by a photoresist test described in previous papers. The reaults emphasize the role of the molecular weight of the starting copolymer and the percentage of pendant photosensitive groups.