Process for the hardening of photographic gelatin coatings and a

Details Process for the hardening of photographic gelatin coatings and a Process for the hardening of photographic gelatin coatings and a

1988-08-16

1990-07-31

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Heating or drying

430539, 430642, 530354, B05D 302

Patent

active

049449664

ABSTRACT:
A novel hardening agent for photographic gelatin coatings comprising a composite solution of a substituted 1,3,5 triazine and formaldehyde, in which the ratio of triazine to formaldehyde ranges from 1:0.1 to 1:0.7. The hardening agent may be added to the gelatin coating in the amount of 0.5 to 4 weight % based upon the gelatin content.

REFERENCES:
patent: 4232111 (1980-11-01), Miyazako et al.

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