Process for the pretreatment of a polyolefin product before coat

Details Process for the pretreatment of a polyolefin product before coat Process for the pretreatment of a polyolefin product before coat

1981-06-26

1984-08-14

Lawrence, Evan K.

Coating processes

Pretreatment, per se, or post-treatment, per se

427 40, 427 41, 427307, B05D 306, B05D 310

Patent

active

044657153

ABSTRACT:
A process for the pretreatment of a polyolefin product before coating consisting essentially of the steps of treating the surface of the polyolefin product before coating using an organic solvent having a solubility parameter (SP value) equal or similar to that of the polyolefin and subsequently applying a plasma treating thereto in the presence of an active gas by microwave treating the active gas under vacuum. As a result of the process, the surface of the polyolefin product is activated and the adhesion of the coating film is improved.

REFERENCES:
patent: 3740252 (1973-06-01), Chaikin
patent: 3829324 (1974-08-01), Blais et al.
patent: 3892573 (1975-07-01), Tatsuta et al.
Dundas, P. H. and Thorpe, M. L., Economics and Technology of Chemical Processing with Electric-Field Plasmas, Chemical Engineering, pp. 123-126, Jun. 30, 1969.

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