American Cyanamid melamine production

Heat-setting resins cannot be plasticized by low molecular weight plasticizers. Polyvinyl acetals have been claimed for these products. American Cyanamid Co. has suggested polyvinyl acetals or butyrals in an amount of 10 to 25% of the resin for urea and melamine resins. For varnishes and adhesives, combinations of phenolic resins and polyvinyl formal are recommended. Polyvinyl acetals with higher alkyl radicals are suitable for cellulose esters and improve elasticity as well as resistance against water. 

The Calco Chemical Division of American Cyanamid, formed in 1939, was synonymous with the industrial production of the triaminotriazine melamine (101), and of the polymeric thermosetting resins that also bear its name. Polymeric melamine is converted by the action of heat or catalysts, or both, into insoluble infusible solids, which are odorless, tasteless and generally inert chemically. 

Heterocyclic aryl amines, such as pyridine and the pyrimidines, are important in the production of colorants and pharmaceutical products and, apart from mention in the relevant sections of this chapter, have received extensive reviews. Here the emphasis is on the industrial applications of aminotriazines, for which industrial interest followed the bulk commercial availability after 1945, particularly from American Cyanamid, of the chlorotriazine cyanuric chloride (182)96. Reactions of cyanuric chloride with amines and substituted amines afford substituted melamines and various aminotriazines that have found application in pharmaceuticals and herbicides. 

The furniture, laminate flooring and construction industries are principal users of melamine products. In 1998, Cytec (the 1993 chemicals specialty spin-off from American Cyanamid) in the US began the production of the first formaldehyde-free melamine resins... 

After the war. Aero Research manufactured ClBA s Araldite and melamine products (licensed by American Cyanamid to CIBA) at Duxford, and in 1948 was taken over by CIBA. " This had been a case of the successful introduction of chemical technology into an enterprise that had no prior experience in chemical manufacture. Through its expertise as user and producer of new-technology resins and adhesives. Aero Research eventually directed all its efforts towards their production. 

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