Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1981-02-23
1982-05-18
Poer, James
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106119, 106120, C04B 702
Patent
active
043303358
ABSTRACT:
A nonflammable building material comprising 3 to 20 parts by weight of a finely divided mineral about 10,000 cm.sup.2 /g in Blaine value and 0.3 to 0.8 in apparent density and 100 parts by weight of a mixture admixed therewith and composed of 20 to 60% by weight of a finely divided aggregate wholly passing through a 4-mesh screen and containing not more than 5% of particles of minus 200 mesh size, 1.0 to 7.0% by weight of a pulp, 0.05 to 2.0% by weight of an organic fiber and the balance cement and siliceous sand in a CaO/SiO.sub.2 mole ratio of 0.5-1.0. The nonflammable building material is produced by a process comprising the steps of preparing a starting mixture of the above composition, spreading the mixture on a belt conveyor, causing water to penetrate into the spread mixture, shaping the wet mixture under pressure and curing the mixture in an autoclave.
REFERENCES:
patent: 3505439 (1970-04-01), Moorehead et al.
patent: 3899344 (1975-08-01), Jakel
patent: 4101335 (1978-07-01), Barrable
patent: 4128434 (1978-12-01), Pusch
patent: 4144121 (1979-03-01), Otouma et al.
Inui Nobuo
Kato Yasutoshi
Kubota Ltd.
Poer James
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