Non-pressure dry glossing of resin-coated sheets and web materia

Details Non-pressure dry glossing of resin-coated sheets and web materia Non-pressure dry glossing of resin-coated sheets and web materia

1989-09-11

1990-12-11

Lusigman, Michael

Coating processes

Transparency or translucency increased

118 68, 4273855, 427391, B05B 500, B05D 302

Patent

active

049769936

ABSTRACT:
Apparatus and method for transparentizing and glossing a resin-coated surface on sheet or web material which may comprise paper or transparency overhead projection stock, includes the delivery of such resin-coated material into intimate contact with non-wetting heated matter supplied in a pool or bath for a time sufficient to transfer heat by conduction from the non-wetting matter to the resin surface. The temperature of the bath is maintained above the glass transition temperature of the resin. The resin coated material may be applied by a roll partially immersed in the bath, or an offset or transfer roll may be positioned in the bath to deliver heated matter from the bath, in non-pressure relation, to the exposed resin surface.

REFERENCES:
patent: 3567484 (1971-03-01), White et al.
patent: 3623710 (1971-11-01), Detig
patent: 3788873 (1974-01-01), Detig
patent: 3813261 (1974-05-01), Muller
patent: 4364976 (1982-12-01), Prokofievna et al.
patent: 4526803 (1985-07-01), White

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