Low density, electromagnetic radiation absorption composition

Details Low density, electromagnetic radiation absorption composition Low density, electromagnetic radiation absorption composition

1982-03-15

1983-11-08

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524431, 524578, 524785, G21K 110, G21F 110

Patent

active

044143397

ABSTRACT:
Low density compositions containing colloidal-size particulates of an ELM absorber such as Fe.sub.3 O.sub.4 and a particulate of an ELM attenuator such as carbonyl iron dispersed in a dielectric matrix such as a styrene/butyl acrylate copolymer provide improved absorption of electromagnetic radiations.

REFERENCES:
patent: 3843593 (1974-10-01), Shell et al.
patent: 3981844 (1976-09-01), Romankiw
patent: 4012738 (1977-03-01), Wright
patent: 4030098 (1977-06-01), Nahmias
patent: 4038660 (1977-07-01), Connolly et al.
patent: 4116906 (1978-09-01), Ishino et al.
patent: 4206094 (1980-06-01), Yen et al.
Chemical Engineering, Jun. 11, 1962, "Characteristics of Fine Particles", p. 207.

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