Preparation of film of web-reinforced photopolymerized hydrophil

Details Preparation of film of web-reinforced photopolymerized hydrophil Preparation of film of web-reinforced photopolymerized hydrophil

1983-02-07

1984-08-21

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

118264, 118267, 118DIG4, 427 541, 427429, B05D 306

Patent

active

044669933

ABSTRACT:
A process is taught in which a flexible, reinforcing travelling web may be uniformly, thinly transfer-coated, on both sides of the web simultaneously, with a low-viscosity liquid or mixture of monomers which may or may not wet the web, but does not wet the surface of a substrate on which the web and mixture are deposited. The liquid or mixture is first curtain-coated on an applicator curtain against which the web moves in controlled contact. An apparatus is provided for transfer-coating a travelling web with a low-viscosity liquid which is first curtain-coated on an applicator curtain.

REFERENCES:
patent: 1249434 (1917-12-01), Loewenbach
patent: 1432733 (1922-10-01), Reed
patent: 2060897 (1936-11-01), Richardson et al.
patent: 2293174 (1942-08-01), Rooney et al.
patent: 3219012 (1965-11-01), Stream
patent: 4167464 (1979-09-01), George

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