Heat coagulable paper coating composition with a soy protein adh

Details Heat coagulable paper coating composition with a soy protein adh Heat coagulable paper coating composition with a soy protein adh

1982-04-14

1983-12-20

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

2601235, C08L 8900, A23J 112

Patent

active

044215649

ABSTRACT:
A method of producing a paper coating composition containing a soy protein adhesive binder which is thermally sensitive or coagulates with heating is described wherein a soy protein isolate is solubilized to form a proteinaceous adhesive binder, said binder is mixed with a mineral pigment to provide a slurry having a solids level of at least about 36% by weight of the slurry, followed by control of the pH of the slurry to between about 5.7 to 6.2 and the addition of a salt selected from the group consisting of Zinc Acetate and Zinc Formate in amounts effective to cause heat coagulation of said slurry upon heating thereof. The coating is particularly used in cast coating processes, involving the application of heat to achieve uniform smoothness of the applied coating on paper.

REFERENCES:
patent: 2410382 (1946-10-01), Kaplan
patent: 2849334 (1958-08-01), Hart
patent: 2950214 (1960-08-01), Smith
patent: 3081182 (1963-03-01), Mahoney
patent: 3261822 (1966-07-01), Robbins
patent: 3356517 (1967-12-01), Nakajima et al.

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