Shape-recoverable resin foamed product

Details Shape-recoverable resin foamed product Shape-recoverable resin foamed product

1998-03-24

2000-07-18

Cooney, Jr., John M.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283084, 4283144, 4283186, 4283191, 4283193, 4284111, 4284231, 521 51, 521142, 521146, 521149, 521155, B32B 326

Patent

active

060904798

ABSTRACT:
A resin foamed product is formed of a resin, and closed cells dispersed in the resin. The resin with the closed cells therein has a shape-recoverable property at an ambient temperature, a closed cell rate higher than 30% and a compression permanent set lower than 10%. Thus, when contraction takes place in the resin with the closed cells, after a predetermined time has passed without providing an outer stimulation to the resin, a shape of the resin foamed product formed of the resin with the closed cells is automatically recovered at least in one direction without equally expanding in all directions.

REFERENCES:
patent: 4101467 (1978-07-01), Park et al.
patent: 5049591 (1991-09-01), Hayashi et al.
patent: 5387050 (1995-02-01), Hovis et al.
patent: 5418261 (1995-05-01), Helsemans et al.

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