Method of obtaining interface adhesion and articles produced the

Details Method of obtaining interface adhesion and articles produced the Method of obtaining interface adhesion and articles produced the

1979-03-09

1981-03-24

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of polyester

428480, 428483, 264255, 156245, B32B 2706, B32B 2736

Patent

active

042581060

ABSTRACT:
The present invention relates to the method of producing an interface that intimately bonds to common molding compounds; even though they contain mold release agents. The method utilizes a material at the surface of the molded part that bonds to the surface of the part but not to the steel mold. This not only permits the molding of an article using common industry techniques but more importantly the subsequent postmolding of a pigmented or protective resinous coating on one surface of a molded article. The method eliminates the need for special surface preparation such as sand blasting, scuff sanding, etc., to facilitate bonding of a secondary coating.

REFERENCES:
patent: 3272645 (1966-09-01), Duhoo et al.
patent: 3784664 (1974-01-01), Nicklin
patent: 3801693 (1974-04-01), Stallings et al.
patent: 3812074 (1974-05-01), Oswitch et al.

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