Sealing compositions

Details Sealing compositions Sealing compositions

1987-02-05

1987-10-13

Foelak, Morton

Coating processes

Foraminous product produced

Filter, sponge, or foam

220 81R, 220357, 220358, 427284, 521 72, 521 54, 521 59, 521139, 521140, B05D 500

Patent

active

046998101

ABSTRACT:
A storage-stable container sealing composition which is fluid and comprises an aqueous dispersion of a visco elastic, generally elastomeric, polymer and hollow microspheres of a thermoplastic polymeric material containing a liquid blowing agent. The compositions are applied as gaskets to container closures and are heated to volatilize the blowing agent and expand the microspheres.

REFERENCES:
patent: 3338456 (1967-08-01), Kinnauy et al.
patent: 3515569 (1970-06-01), Walters et al.
patent: 3592782 (1971-07-01), Weber et al.
patent: 3615972 (1967-04-01), Morehouse
patent: 3864181 (1975-02-01), Wolinski et al.
patent: 4005033 (1977-01-01), Georgeau et al.
patent: 4320076 (1982-03-01), Greenwood
patent: 4419459 (1983-12-01), Melchior
patent: 4451584 (1984-05-01), Schaefer

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