Flame retardant thermally insulating material

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521 78, 521 79, 521 80, 521 81, 523218, C08J 922

Patent

active

044254407

ABSTRACT:
The invention provides a flame retardant thermally insulating material which comprises cellular polymer particles and fly ash bound into a coherent mass by a dried synthetic polymer latex binder, and a process for providing between at least two spaced-apart surfaces a flame retardant thermal insulation in the form of such a material. The process has particularly useful application in the field of roof insulation in sloping roofs having spaced-apart outer and inner layers.

REFERENCES:
patent: 3764357 (1973-10-01), Bowles et al.
patent: 4331726 (1982-05-01), Cleary

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