Decorative syntactic foam products

Details Decorative syntactic foam products Decorative syntactic foam products

1982-04-19

1984-01-10

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

521 54, 521 73, 521 75, 523219, 524444, 26433115, 264DIG6, 264DIG60, 4283137, 4283139317.9, C08J 932

Patent

active

044254490

ABSTRACT:
A mixture of vinyl plastisol, suspension grade resin and expanded perlite is prepared in a manner such that the particles of perlite are not significantly damaged. The mixture is placed on a substrate and fused, thereby producing a foam-like material which is usable as a decorative covering. Alternatively, the mixture can be cast on a release surface and allowed to stand until the majority of the perlite particles have migrated to the top surface, thus leaving a layer of material containing substantially no perlite along the lower surface which interfaces with the release surface. Upon fusing this stratified mixture and separating the release surface, the fused material is inverted. The layer of material which contains substantially no perlite becomes the protective surface and the remaining portion of the fused material, which is foam-like in nature, becomes the resilient support. Such syntactic foams may be used as replacements or substitutes for mechanically frothed or chemically blown foams.

REFERENCES:
patent: 3786004 (1974-01-01), Furuya et al.
patent: 3855160 (1974-12-01), Shiotsu et al.

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