C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 28/14 (2006.01) C04B 14/26 (2006.01) C04B 14/30 (2006.01) C04B 14/36 (2006.01) C04B 14/38 (2006.01) C04B 16/06 (2006.01) C04B 26/02 (2006.01) C04B 28/12 (2006.01) E04B 1/82 (2006.01) E04B 1/92 (2006.01) E04C 2/26 (2006.01) G21F 1/04 (2006.01) G21F 1/10 (2006.01) G21F 1/12 (2006.01)
Patent
CA 2629708
(1) A composition for building materials which comprises 100 parts by weight of a base selected from the group consisting of calcium sulfate, calcium carbonate, calcium hydroxide, and an emulsion of an organic synthetic resin and 50-3,000 parts by weight of an inorganic filler having a true specific gravity of 3.5-6.0 selected from the group consisting of barium chloride, zinc oxide, aluminum oxide, titanium oxide, barium oxide, strontium carbonate, barium carbonate, and barium sulfate. Also provided is (2) a plasterboard having a plaster core produced from a slurry obtained by mixing 100 parts by weight of calcium sulfate, 50-200 parts by weight of the inorganic filler, and water.
L~invention concerne (1) une composition de matériaux de construction comprenant 100 parties par poids d~une base choisie parmi le groupe constitué du sulfate de calcium, du carbonate de calcium, de l~hydroxyde de calcium et une émulsion d~une résine synthétique organique et de 50 à 3 000 parties par poids d'une charge inorganique ayant une densité absolue spécifique comprise entre 3,5 et 6,0 choisies parmi le groupe constitué du chlorure de baryum, de l~oxyde de zinc, de l~oxyde d~aluminium, de l~oxyde de titane, de l~oxyde de baryum, du carbonate de strontium, du carbonate de baryum et du sulfate de baryum. L~invention concerne également (2) une plaque de plâtre ayant un cAEur en plâtre fabriqué à partir d'une pâte obtenue en mélangeant 100 parties par poids de sulfate de calcium, de 50 à 200 parties par poids de la charge inorganique et de l~eau.
Katsumoto Koji
Tada Katsumi
Yamakata Kouji
Yokoyama Itaru
Lambert Anthony R.
Yoshino Gypsum Co. Ltd.
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