Method of printing thermoplastic articles with thermoplastic ink

Coating processes – Nonuniform coating – Deforming the base or coating or removing a portion of the...

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101426, 264132, 427224, 427316, B05D 308

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047643994

ABSTRACT:
Plastics articles, such as plates, bowls, cups and the like which are for containing foodstuffs and are useable in freezers, and microwave and conventional cooking ovens, are of crystalline polyethylene terephthalate rendering them suitable for such purposes, and the articles are decoratively printed using inks containing thermoplastic resin binders and pigments, and the pigment is keyed firmly to the articles to prevent ready removal therefrom by abrading by heating the applied ink by means of a naked flame quickly to bring the resin binder up to its melting point so that the binder and article become bonded together keying the pigment to the article.

REFERENCES:
patent: 2486259 (1949-10-01), Chavannes
patent: 2558791 (1951-07-01), Smith et al.
patent: 2594290 (1952-04-01), Chavannes
patent: 2998332 (1961-08-01), Osdal
patent: 3666519 (1972-05-01), Bayer
patent: 3933547 (1976-01-01), Yoshida et al.
patent: 4079673 (1978-03-01), Bernstein

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