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Quelques avantages de la polymérisation induite par un plasma froid microonde

✍ Scribed by Poncin-Epaillard, Fabienne ;Brosse, Jean-Claude

Publisher
Wiley (John Wiley & Sons)
Year
1990
Weight
403 KB
Volume
191
Category
Article
ISSN
0025-116X

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✦ Synopsis

Abstract

Plasma induced polymerizations using an RF (13,56 MHz) or a microwave (433 MHz) generator were compared. The microwave plasma induced polymerization of a multifunctional acrylate (3‐ylomethylpentamethylene triacrylate) (trimethylolpropane triacrylate) (1) was studied as a function of different macroscopic parameters (chemical nature of gas, time, discharge power, distance between the surfatron and the substrate etc.). The involved mechanisms were found to be similar to those in the RF plasma. One of the advantages of the microwave apparatus is the possibility of working in the post‐discharge regime with selected reactive species. Evidence of the chemical structure of the polymer at its surface is given by ATR‐FTIR spectroscopy.

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## Abstract We tried to evaluate the reason for the very low polymerizability of methyl derivatives of 2‐pyrrolidone in the presence of anionic polymerization catalysts. The polymerizability estimated from the influence of the methylated group on the reactivity of the lactam ring (steric, inductive