Environmentall dispersible syntactic foam

Details Environmentall dispersible syntactic foam Environmentall dispersible syntactic foam

1993-03-25

1994-01-11

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

106122, 521 54, 521 841, 5211091, 521 60, 521146, 521916, 523219, C08J 932

Patent

active

052781941

ABSTRACT:
A syntactic foam product having a desired configuration is set forth. The product comprises a plurality of rigid gas filled bubbles arranged in the desired configuration. The bubbles are defined by respective individual and discrete substantially spherical shells preferably formed of a biodegradable shell material. The shells abut one another. They define open spaces where they are not abutting. Attaching material attaches the abutting shells to one another. The open spaces between the shells are not filled by the attaching material. The attaching material is environmentally degradable. It releases the bubbles under ambient conditions after a selected time interval. The shells are in contact with their surroundings and can relatively rapidly biodegrade.

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