Vermiculite composition with improved thermal expansion properti

Details Vermiculite composition with improved thermal expansion properti Vermiculite composition with improved thermal expansion properti

1993-06-14

1994-08-23

Green, Anthony

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

252378R, 252606, 106675, 106DIG3, 209 4, 241 4, 241 68, 428920, C04B 1420

Patent

active

053405587

ABSTRACT:
A vermiculite composition capable of exhibiting a high degree of volume increase upon subjection to thermal exfoliation composed of vermiculite mineralogical species having specific gravity of from 2.5 g/cm.sup.3 to 2.9 g/cm.sup.3. Further, intumescent sheets formed with said vermiculite composition exhibit low initial expansion temperature and very high maximum expansion properties.

REFERENCES:
patent: 2030239 (1936-02-01), Byers
patent: 2139358 (1938-12-01), Ericson
patent: 3076546 (1963-02-01), Ziegler et al.
patent: 4130687 (1978-12-01), Ballard et al.
patent: 5116537 (1992-05-01), Yang et al.

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