Compsn. cast in position for sports grounds - with elastic base layer and synthetic upper layer

A synthetic complex cast in position for sports grounds comprises an elastic base layer (CB) and a synthetic coating (RS) on the base, with the ratio of thicknesses of CB/RS being 8-25. Pref. the thickness of the synthetic coating is 1-6 mm, and the ratio of thicknesses of CB/RS is 10-20. The elasti...

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Bibliographische Detailangaben
Hauptverfasser: SCHETTINO ALAIN, MALISZEWICZ MARC, TURMEL ERIC, CABEZA RICHARD, MUNCH GERARD
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:A synthetic complex cast in position for sports grounds comprises an elastic base layer (CB) and a synthetic coating (RS) on the base, with the ratio of thicknesses of CB/RS being 8-25. Pref. the thickness of the synthetic coating is 1-6 mm, and the ratio of thicknesses of CB/RS is 10-20. The elastic base layer contains 30-90 wt.% of rubber granules, esp. of size 1-16 mm, 3-25% (5-15%) of heat-hardening resin and 7-67% of mineral granules. The base may be rendered watertight with a resin. USE/ADVANTAGE - Appln. is in gymnasium floors, athletic tracks, synthetic turf and games fields. The surface has no joints. The top coating may be applied after only about 12 h, and may be thinner. Ce complexe, comprenant une couche de base élastique (CB) et un revêtement synthétique (RS), disposé sur une couche de fondation, est caractérisé selon l'invention en ce que le rapport des épaisseurs des couches CB/RS est de 8 à 25. La couche de base comprend notamment de 30 à 90% en poids de granulés de caoutchouc, de 3 à 25% en poids de résine thermodurcissable et de 7 à 67% en poids de granulats minéraux.