Insulation block and method of making same

Details Insulation block and method of making same Insulation block and method of making same

1977-06-06

1978-03-28

Pitlick, Harris A.

Compositions

Electrolytes for electrical devices

106 40R, 106 75, 260 308DS, C04B 4300

Patent

active

040813924

ABSTRACT:
A known expanded silicate-based aggregate described in the U.S. Pat. No. 3,719,510, granted Mar. 6, 1973 to Ralph E. Temple and William T. Gooding is mixed with a slurry consisting of 5 to 8 percent polyvinyl chloride in a water-free solvent comprising 15 percent dimethylsulfoxide and 85 percent methylethyl ketone to provide a pourable and settable insulation. Blocks of such insulation are lightweight but will not break down upon handling, are non-combustible, have a high heat insulation factor, and are not attacked by the acids or distillates commonly used in forming a roof covering.

REFERENCES:
patent: 3468994 (1969-09-01), Gilbert
patent: 3682667 (1972-08-01), Roberts et al.
patent: 3719510 (1973-03-01), Temple et al.

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