Squeezable toy with dimensional memory

Details Squeezable toy with dimensional memory Squeezable toy with dimensional memory

1987-03-16

1988-02-16

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 67, 521 69, 521113, 521114, 521116, 521159, 521137, 521905, 446486, C08G 1830

Patent

active

047256273

ABSTRACT:
Disclosed is a sculpted, hand-squeezable toy which possesses dimensional memory and has a predetermined dimensional memory restoration time. The toy is made by blending a foamable hydrophilic polyurethane isocyanate-functional prepolymer, a vinyl or acylic polymer emulsion recovery rate modifier, water, and an organic cosolvent. The blend then is charged to a mold for the foamed toy to be made therein. The proportion of organic cosolvent present and the temperature of the blend being molded are variables for determining the predetermined dimensional memory restoration time of the toy after it has been squeezed.

REFERENCES:
patent: 4158087 (1979-06-01), Wood

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