Polyurethane insulating foam

Details Polyurethane insulating foam Polyurethane insulating foam

1985-05-01

1986-06-24

Welsh, Maurice J.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427387, 4273881, 4273882, 4273897, 4273935, 4273936, B05D 302

Patent

active

045967253

ABSTRACT:
A method of providing a foam accoustical insulation, thermal insulation, and/or moisture-barrier, in which a polyurethane prepolymer composition is applied to a substrate in situ and then expanded and cured using water pre-applied to the substrate, ambient atmospheric moisture, and/or added atmospheric moisture.

REFERENCES:
patent: 3830760 (1974-08-01), Benngston
patent: 4426487 (1984-01-01), Koenig et al.
patent: 4489176 (1984-12-01), Kluth et al.
Polyurethanes, Chemistry & Tech., Saunders & Frisch, vol. XVI of the High Polymers Series, Interscience Pub., NY-London Part I (1962) Part II (1964).
I. R. Smolka, Nonionic Surfactants, Ed. Martha J. Schick., vol. 2, Marcel Dekker 1967.
B. Kanner, et al., Journal of Cellular Plastics (1979) p. 315.

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