PROTECTION BARRIER AGAINST IONIZING RAYS OF THE (GAMMA) TYPE AND/OR X-RAYS

摘要

PCT No. PCT/US89/01094 Sec. 371 Date Nov. 21, 1989 Sec. 102(e) Date Nov. 21, 1989 PCT Filed Mar. 17, 1989 PCT Pub. No. WO89/09472 PCT Pub. Date Oct. 5, 1989.Protection barrier against ionizing rays of the gamma type and/or X-rays comprising a flexible sheet (2) in which particles (3) of an agent absorbing said rays are dispersed. The absorbing agent is selected among bismuth and the oxides, hydroxide and salts of bismuth and is particularly bismuth oxide of the formula Bi2O3 having a particle size of less than 10 microns (figure).