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3. Implementation
The applications of aminoplasts 5 , both in the form of resins and molding materials, are often very similar to those of phenoplasts, so processing is carried out in a similar way (please refer to the article Phenoplasts or Phenols-formols PF . The following paragraphs only specify, where necessary, the conditions applicable to aminoplasts and mention specific applications.
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1.1 Resins
Urea-based resins generally take the form of a syrup (aqueous solution) containing 50-65% solids. Some wood glues come in UF powder form, sometimes containing a hardener. Liquid glues may contain a filler (e.g. wood flour).
Melamine- or melamine/phenol-based resins are marketed in syrup or powder form....
References
French books
Regulations
The regulations below mainly concern resins. Please consult the manufacturer's safety data sheets for applicable regulations.
Occupational health and safety
Fiche toxicologique FT 7 Formol. Institut National de Recherche et de Sécurité (INRS).
Directive N° 89/391/CE
French law 91-1414...
Manufacturers. Suppliers
There are some 75 aminoplast suppliers in Europe, including around ten in France.
Borden Chimie SA (Deville-lès-Rouen) http://www.hexionchem.com
CECA SA (Courbevoie) http://www.ceca.fr
CMM SA (Paris)...
Standards
The 1999 ASTM D705 standard can still be used.
For applications as adhesives for the wood industry, please refer to standards NF EN 132 (March 1999) on vocabulary and NF T 76-011 on classification of the main adhesives.
French organizations
Plastics Federation http://www.proplast.org
Plastics Europe France (Syndicat des Producteurs de Matières Plastiques) http://www.spmp.sgbd.com
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