C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 24/38 (2006.01) C04B 28/14 (2006.01)
Patent
CA 2646364
The subject of the invention is a plaster slurry composition comprising plaster, water and starch, said starch having a Brookfield viscosity of less than 60 cps at a temperature below 600C and a Brookfield viscosity greater than 10,000 cps at a temperature of 700C. Use for manufacturing plasterboards.
L'invention concerne une composition de pâte de plâtre comprenant du plâtre, de l'eau et de l'amidon, cet amidon possédant une viscosité Brookfield inférieure à 60 cp à une température en dessous de 600 C et une viscosité Brookfield supérieure à 10.000 cp à une température de 700C. L'invention concerne aussi une utilisation permettant de fabriquer des plaques de plâtre.
Peronnet Frederic
Rigaudon Michel
Lafarge Platres
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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