Modified vegetable protein adhesive binder

Details Modified vegetable protein adhesive binder Modified vegetable protein adhesive binder

1981-03-16

1982-10-05

Yoncoskie, Robert A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C09D 104, C09D 302

Patent

active

043526926

ABSTRACT:
A modified vegetable protein adhesive binder and process for its production is disclosed comprising; forming a slurry of a urease containing vegetable protein material having a proteinaceous solids content of 10 to 30% by weight and including in said slurry a quantity of water soluble silicate to minimize foaming during reaction of the protein material. Urea is then added which reacts with the urease to liberate ammonia from the urea and raise the pH of the slurry to above about 8. The slurry having an alkaline pH is reacted with an oxidizing agent to modify the protein, followed by heating of the modified protein at a temperature of 220-320.degree. F. The modified protein material is then cooled and dried to result in a protein adhesive binder with excellent rheological properties and good coating characteristics.

REFERENCES:
patent: 845791 (1907-03-01), Isaacs
patent: 2234183 (1941-03-01), Lofgren
patent: 2246466 (1941-06-01), Julian et al.
patent: 2274983 (1942-03-01), Hieronymus
patent: 2284800 (1942-06-01), Close
patent: 3356516 (1967-12-01), Schwalbe
patent: 3392038 (1968-07-01), Teyral
patent: 3436300 (1969-04-01), Bryner

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