Modified soy protein and thermoplastic articles therefrom

Details Modified soy protein and thermoplastic articles therefrom Modified soy protein and thermoplastic articles therefrom

1996-09-13

2000-03-07

Nutter, Nathan M.

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

Synthetic resins

From protein or biologically active polypeptide reactant

530378, 26433112, 26433116, 26433118, 26433119, A23J 114, C08H 102, H01L 2976

Patent

active

06034198&

ABSTRACT:
The invention relates to a process of chemically modifying soy protein to produce a thermoplastic material. An aqueous alkaline solution of soy protein is mixed with an organic solution of an alkyl or alkenyl succinic anhydride to acylate the protein's amine and hydroxyl groups. The acylated proteins behave as materials capable of forming films with controlled water solubility water vapor permeability. Useful acylating agents include octenyl succinic anhydride (OSA), dodecenyl succinic anhydride (DDSA), and octadecenyl succinic anhydride (ODSA).

REFERENCES:
patent: 3764711 (1973-10-01), Melnychyn et al.

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