Biodegradable thermosetting urea-resin compositions

Details Biodegradable thermosetting urea-resin compositions Biodegradable thermosetting urea-resin compositions

1996-03-29

1998-11-17

Nutter, Nathan M.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 20, 524 22, 524 35, 524219, 528267, 528270, C08G 7102, C08L 7502, C08L 100

Patent

active

058377557

ABSTRACT:
A urea-resin composition comprising a urea-formaldehyde reaction product, cellulose material, and at least one substance selected from the group cosisting of .alpha.-amino acid, powdered collagen and gelatin. The present invention provides urea-resin compositions which, having a property to harden under heating, are themselves biodegradable and have sufficient physical properties to be applied for practical purposes.

REFERENCES:
patent: 4001442 (1977-01-01), Stahlberger et al.

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