PROCESSO PARA A PRODUCAO DE PRODUTOS MANUFACTURADOS DE FIBROCIMENTO SEM FIBRAS DE AMIANTO

The invention relates to the production of manufactured articles in fibrocement without asbestos fibres. Said articles forseeing the need of a small amount of mechanically pre-treated cellulose fibres, the addition of cement, a flocculator, acidulate agents contrasting the tensions from expansion an...

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Bibliographische Detailangaben
1. Verfasser:	FRANCO TEPPA
Format:	Patent
Sprache:	por
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to the production of manufactured articles in fibrocement without asbestos fibres. Said articles forseeing the need of a small amount of mechanically pre-treated cellulose fibres, the addition of cement, a flocculator, acidulate agents contrasting the tensions from expansion and reinforcement fibres in polyvinyl-alcohol and/or acrylic. The thermal conditioning of the manufactured articles carried out in a chamber with consecutive areas of different temeperatures is forseen after said articles have been formed.