Method for applying liquid to sheet material

Details Method for applying liquid to sheet material Method for applying liquid to sheet material

1995-09-14

1997-09-23

Lusignan, Michael

Coating processes

Foraminous product produced

Filter, sponge, or foam

427340, 427341, 427342, 427377, 427378, 427421, 427428, B05D 500

Patent

active

056702116

ABSTRACT:
A method of applying a two-part liquid composition to a workpiece is provided. In particular, a two-step method is provided wherein a first liquid composition is applied to the workpiece by roll coating, and a second liquid composition is applied by spraying the workpiece. Generally, the first liquid composition is a polyurethane adhesive and the second liquid composition is a polyurethane catalyst. By applying the reactive components of the polyurethane composition in two steps, the open time may be controlled.

REFERENCES:
patent: 4451310 (1984-05-01), Lairloup
patent: 4713265 (1987-12-01), Nahas et al.
patent: 4803116 (1989-02-01), Amano et al.
patent: 5154950 (1992-10-01), Rosthauser et al.
patent: 5385610 (1995-01-01), Deerer et al.

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