Coating processes – Direct application of electrical – magnetic – wave – or... – Pretreatment of substrate or post-treatment of coated substrate
Patent
1992-06-02
1994-09-20
Padgett, Marianne
Coating processes
Direct application of electrical, magnetic, wave, or...
Pretreatment of substrate or post-treatment of coated substrate
427538, 4273935, 4274121, 4274123, B05D 306, B05D 302, B05D 136
Patent
active
053487729
ABSTRACT:
The invention relates to the use of the amino groups created on the surface of a polymer material, such as a polypropylene film, by an electric treatment, notably a cold plasma, under nitrogen atmosphere, for accelerating the grafting of the polymer material by impregnating the latter with a bath containing a vinyl type unsaturated monomer comprising a carbonyl group in .alpha. of the double vinyl bond, such as an acrylic monomer.
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Brosse Jean C.
Chevet Bruno
Demuth Odile
Maguin Jacques
Poncin-Epaillard Fabienne
Institut Textile de France
Padgett Marianne
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