Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1982-12-27
1984-03-13
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524858, C08K 322, C08K 308
Patent
active
044368682
ABSTRACT:
A composition useful, inter alia, as an insulation material for sealing breaches in architectural barriers, is based on silicone gel which is mixed with powdered lead and lead oxide to achieve desired densities. Silica or silicon dioxide may be utilized to thicken the gel and to maintain the lead and lead oxide in suspension within the gel during curing. The lead acts to increase the density of the gel to enhance the radiation attenuation characteristics of the composition and the lead oxide deters the hardening of the gel in response to radiation.
REFERENCES:
patent: 2410737 (1946-11-01), Jenny
patent: 4237667 (1980-12-01), Pallucci
B & B Insulation, Inc.
Jacobs Lewis T.
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