C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
18/644, 49/8, 49
C03B 9/00 (2006.01) B01D 69/00 (2006.01) B01D 71/02 (2006.01) B01J 13/04 (2006.01) B01J 13/22 (2006.01) B01J 20/28 (2006.01) B01J 35/08 (2006.01) B22F 1/00 (2006.01) B22F 9/08 (2006.01) B29C 49/00 (2006.01) B29C 49/46 (2006.01) B63B 3/13 (2006.01) C03B 19/10 (2006.01) C03B 37/022 (2006.01) C03B 37/04 (2006.01) C03B 37/06 (2006.01) C03B 37/075 (2006.01) C03C 17/09 (2006.01) C04B 14/24 (2006.01) C04B 14/34 (2006.01) C04B 20/10 (2006.01) C04B 38/08 (2006.01) C08J 9/32 (2006.01) F16L 59/065 (2006.01) F16L 59/08
Patent
CA 1171284
ABSTRACT OF THE INVENTION Hollow inorganic film forming microspheres made from a low heat conductivity inorganic composition (preferably glass) containing a high vacuum and a thin metal coating deposited on the inner wall surface of the microspheres are described. The hollow glass microspheres are used to make superior insulation materials in the construction of highly efficient solar energy collectors. The hollow glass microspheres can also be made to contain a thin transparent or reflective metal coating deposited on the inner wall surface of the microspheres by adding to the blowing glass small dispersed metal particles and/or gases of organo metal com- pounds and decomposing the organo metal compounds. The hollow glass microspheres can be made from low heat conductivity glass compositions. The microspheres can be used to make improved in- sulation materials and composites and insulating systems. The hollow glass microspheres can be used as filler materials in plastics, in plastic foam compositions and in contrete and asphalt compositions. The hollow glass microspheres can also be made in the form of filamented glass microspheres with a thin glass filament connecting adjacent glass microspheres.
422148
Borden Ladner Gervais Llp
Torobin Leonard B.
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