Use of amino groups, obtained on a polymer material by an electr

Details Use of amino groups, obtained on a polymer material by an electr Use of amino groups, obtained on a polymer material by an electr

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.

REFERENCES:
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patent: 3639134 (1972-02-01), Stegmeier et al.
patent: 4468412 (1984-08-01), Fujii et al.
patent: 4606930 (1986-08-01), Ueno et al.
patent: 4617199 (1986-10-01), Galli et al.
patent: 4664936 (1986-05-01), Ueno et al.
patent: 4678681 (1987-07-01), Obayashi et al.
patent: 5183701 (1993-02-01), Jacobs et al.

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