Process for hardening layers containing proteinaceous binders

Details Process for hardening layers containing proteinaceous binders Process for hardening layers containing proteinaceous binders

1987-08-19

1991-07-23

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Chemical agent applied to treat coating

427414, 430422, 430423, 430451, 430554, 430621, 430623, G03C 130, G03C 726, B05D 310, B05D 136

Patent

active

050342495

ABSTRACT:
Layers containing proteinaceous binders, in particular gelatin layers of the kind used, for example, in photographic recording materials, are hardened by means of an instant hardener by casting a hardening system composed of at least two layers over the layer of binder, the lower of these two layers containing the instant hardener while the upper layer, which may be applied together with or immediately after the lower layer, contains a protein-containing binder but no hardener. The hardened layers have improved surface properties (wet scratch resistance, antifriction properties).

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patent: 4043818 (1977-08-01), Himmelmann et al.
patent: 4047957 (1977-09-01), De Winter et al.
patent: 4055427 (1977-10-01), Bergthaller et al.
patent: 4061499 (1977-12-01), Himmelmann
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patent: 4067741 (1978-01-01), Bergthaller et al.
patent: 4119464 (1978-10-01), Sauerteig et al.
patent: 4168172 (1979-09-01), Kataoka et al.
patent: 4265946 (1981-05-01), Yabe et al.
patent: 4421847 (1983-12-01), Jung et al.

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