Expandable polymeric coating compositions

Details Expandable polymeric coating compositions Expandable polymeric coating compositions

1976-07-23

1978-06-13

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25L, 260 25HB, 260 25HA, C08J 914

Patent

active

040946851

ABSTRACT:
An expandable chemical coating compounded by an admixture of a paint, ink or dye with a polymeric composition embodying an encapsulation of a volatile, gas-producing substance which is heat-expandable in a thin polymeric film, said capsules being dispersed in a polymeric composition such that upon application of heat, the encapsulated volatile substance vaporizes to expand and fracture said capsule, thereby trapping the evolving gas in a polymeric medium so that the medium coating is expanded to produce a three-dimensional effect.

REFERENCES:
patent: 3004938 (1961-10-01), Chambers et al.
patent: 3615972 (1967-10-01), Morehouse
patent: 3920589 (1975-11-01), Jacobs et al.
patent: 4006273 (1977-02-01), Wolinski et al.
patent: 4016110 (1977-04-01), Cohr et al.

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