Communications: directive radio wave systems and devices (e.g. – Radio wave absorber – With particular geometric configuration
Patent
1989-12-21
1998-06-09
Nelson, Peter A.
Communications: directive radio wave systems and devices (e.g.,
Radio wave absorber
With particular geometric configuration
428145, 428266, H01Q 1700, D04H 100
Patent
active
057641811
ABSTRACT:
Radar attenuating compositions comprising a low viscosity siloxane polymer, a resinous crosslinker therefor and carbonyl iron powder have improved thermal stability when exposed to temperatures as high as 450.degree. F. The particular crosslinker that is used in the compositions of this invention provides improved stability for the compositions at room temperature storage conditions and also in the cured form. The compositions can be sprayed and/or molded and cured at room temperature and/or elevated temperatures, as desired.
REFERENCES:
patent: 4719142 (1988-01-01), Modic
patent: 4725490 (1988-02-01), Goldberg
Fey Kenneth C.
Rivet Robert D.
Sprygada Donald F.
Swihart Terence J.
Dow Corning Corporation
Milco Larry A.
Nelson Peter A.
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