C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
6/219, 309/75
C04B 30/02 (2006.01) C04B 28/26 (2006.01) F24C 15/34 (2006.01) H05B 3/74 (2006.01)
Patent
CA 2269818
A heat insulating moulded body made of inorganic material and inorganic reinforcement fibres is disclosed, as well as a process for producing the same and its use. The moulded body is characterised by the following composition: (a) 30-70 wt.% blown vermiculite; (b) 15-40 wt.% inorganic binder; (c) 0-20 wt.% infrared opacifier; (d) 15-50 wt.% microporous material; (e) 0.5-8 wt.% reinforcement fibres which contain maximum 2 wt.% B2O3 and maximum 2 wt.% alkali metal oxides, with respect to the weight of the reinforcement fibres.
L'invention concerne un corps moulé calorifuge en un matériau inorganique et en fibres inorganiques de renforcement, son procédé de fabrication et son utilisation. Le corps moulé se caractérise par la composition suivante: (a) 30-70 % en poids de vermiculite expansée; (b) 15-40 % en poids d'un liant inorganique; (C) 0-20 % en poids d'un opacifiant aux infrarouges; (d) 15-50 % en poids d'un matériau microporeux; (e) 0,5-8 % en poids de fibres de renforcement qui contiennent au maximum 2 % en poids de B¿2?O¿3? et 2 % en poids d'oxydes de métaux alcalins par rapport au poids des fibres de renforcement.
Eyhorn Thomas
Kicherer Robert
Klaus Johann
Kratel Gunter
Mikschl Bernard
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Wacker-Chemie Gmbh
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