Method for the impregnation of water-repellent paper

Coating processes – With post-treatment of coating or coating material – Heating or drying

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162158, 1621683, 427391, B05D 302

Patent

active

046667466

ABSTRACT:
Method for the impregnation of water-repellent paper by using an ammonium salt of a substituted succinic acid amide as the moistening agent. The water-repellent properties of a paper impregnated in accordance with the method are restored after drying.

REFERENCES:
patent: 3139373 (1964-06-01), Liggett
patent: 4311767 (1982-01-01), Kennedy
patent: 4336835 (1982-06-01), Takagishi et al.
patent: 4536254 (1985-08-01), Falk et al.
patent: 4545855 (1985-10-01), Sweeney

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