Polyurethane foam for cleaning and germicidal applications

Details Polyurethane foam for cleaning and germicidal applications Polyurethane foam for cleaning and germicidal applications

1986-03-31

1987-03-31

Welsh, Maurice J.

Coating processes

With post-treatment of coating or coating material

Heating or drying

428212, 428218, 4283084, 4283135, 4283186, 4283188, B05D 302

Patent

active

046542345

ABSTRACT:
A flexible non-reticulated foam pad having on a surface thereof a polyurethane coating consisting essentially of a cured isocyanate-terminated prepolymer, the penetration of the prepolymer coating being no more than about 50 percent of the thickness of the flexible urethane foam. The coated surface provides an abrasive area which enhances its use in cleaning applications as well as increasing the resistance to tear propagation of the wet foam. In addition, the major portion of the foam pad is available for the release of cleaning and sanitizing agents or the absorption of liquids such as water. The novel foam pads are suitable for household, institutional and industrial use.

REFERENCES:
patent: 3401128 (1968-09-01), Terry
patent: 3653859 (1972-04-01), Zimmer et al.
patent: 3861993 (1975-01-01), Guthrie
patent: 4082703 (1978-04-01), Duffy et al.
patent: 4111666 (1978-09-01), Kalbow

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