ES213852A1 - Improvements introduced in the preparation of self-dealing lacquers (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in the preparation of self-dealing lacquers (Machine-translation by Google Translate, not legally binding)
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JOSEFINA RINGSTORM MARTA
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JOSEFINA RINGSTORM MARTA
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Publication of ES213852A1publicationCriticalpatent/ES213852A1/en
An improvement in the preparation of lacquers that harden themselves, based on urea-formaldehyde resins (carbamide resins), characterized in that the lacquer contains a benzene compound, for example benzaldehyde, toluene or toluene trichloride which, without air, it is inactive as a hardening agent, but which, in contact with oxygen or water, for example, when coating the object with a thin layer, forms a reactive hardener, consisting of benzoic acid, the proportions of the benzene compound being preferably order of 3 to 10% by weight of lacquer. (Machine-translation by Google Translate, not legally binding)
ES0213852A1953-03-041954-02-23Improvements introduced in the preparation of self-dealing lacquers (Machine-translation by Google Translate, not legally binding)
ExpiredES213852A1
(en)
PROCESS FOR PREPARING A POLYAMINOAMIDE HARDENING AGENT FOR EPOXY RESINS; PROCESS FOR PREPARING A WATER DIVIDED HARDENING AGENT; PROCESS FOR PREPARING AN EPOXY RESIN COMPOSITION CONTAINING SUCH HARDENING AGENT AND AN OBJECT FACING A COATING LAYER OBTAINED FROM SUCH EPOXY RESIN COMPOSITION.
A procedure for the obtaining of a material for anticorrosive coating to protect ferrous and non-ferrous metals (Machine-translation by Google Translate, not legally binding)