Process for the surface treatment of an article containing...

Details Process for the surface treatment of an article containing... Process for the surface treatment of an article containing...

2003-06-17

2008-09-09

Paschall, Mark H (Department: 3742)

Electric heating

Metal heating

By arc

C219S121590, C219S121500, C219S121480

Reexamination Certificate

active

07423234

ABSTRACT:
A process for increasing the surface tension (“wettability”) of a silicone element crosslinked by polyaddition from a liquid composition containing one or more α,ω-dimethylvinylpolydimethylsiloxanes (PDMS), one or more poly(dimethyl)(methylhydrogenosiloxy)-α,ω-dimethylhydrogenosiloxanes, and a platinum crosslinking catalyst. The silicone surface is treated with a homogeneous atmospheric plasma using a plasma spraying apparatus having a rotating head with one or more plasma nozzles that are offset relative to the axis of rotation, each one being capable of generating a plasma jet whose axis is parallel to said axis of rotation. The articles to which the invention relate include composites of flexible substrate (e.g. textile)/silicone coating. Application: adhesive bonding of silicone surfaces crosslinked by ≡Si—H/≡Si-vinyl polyaddition.

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