Radiant energy – Radiation controlling means – Shields
Patent
1978-01-17
1980-08-19
Dixon, Harold A.
Radiant energy
Radiation controlling means
Shields
250519, G21C 1100
Patent
active
042186226
ABSTRACT:
A composite, neutron absorbing, coated article, suitable for installation in storage racks for spent nuclear fuel and for other neutron absorbing applications, includes a backing member, preferably of flexible material such as woven fiberglass cloth, a synthetic organic polymeric coating or a plurality of such coatings on the backing member, preferably of cured phenolic resin, such as phenol formaldehyde or trimethylolphenol formaldehyde and boron carbide particles held to the backing member by the cured coating or a plurality of such coatings. Also within the invention is a method for the manufacture of the neutron absorbing coated article and the use of such an article. In a preferred method the backing member is first coated on both sides thereof with a filling coating of thermosettable liquid phenolic resin, which is then partially cured to solid state, one side of the backing member is then coated with a mixture of thermosettable liquid resin and finely divided boron carbide particles and the resin is partially cured to solid state, the other side is coated with a similar mixture, larger boron carbide particles are applied to it and the resin is partially cured to solid state, such side of the article is coated with thermosettable liquid phenolic resin, the resin is partially cured to solid state and such resin, including previously applied partially cured resins, is cured to final cross-linked and permanently set form.
REFERENCES:
patent: 1609682 (1926-12-01), Angebaud
patent: 2796411 (1957-06-01), Zirkle
patent: 2796529 (1957-06-01), Morrison
patent: 2991368 (1961-07-01), Reissner
patent: 4027377 (1977-06-01), Roszler
Forsyth Paul F.
McMurtry Carl H.
Naum Robert G.
Dixon Harold A.
Dougherty David E.
Kramer Raymond F.
The Carborundum Company
Weber Robert C.
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