| 简介 |
A lead-free X-ray shielding rubber composite material using rubber as the base material, where components parts by weight are as follows : 50-100 parts of rubber, 20-300 parts of rare earth organic complex, 20-500 parts of inorganic rare earth compound, 20-500 parts of tin, 20-550 parts of bismuth monomer or bismuth inorganic compound, 20-230 parts of bismuth organic complex, 20-260 parts of tungsten, 0.5-10 parts of silane coupling agent, 2-30 parts of softening agent, 2-15 parts of crosslinking agent, 0.2-3 parts of in-situ reaction initiator; the rare earth organic complex is unsaturated carboxylic acid rare earth salt, the rare earth elements are 16 elements besides promethium in lanthanides; the inorganic rare earth compound is rare earth oxide, rare earth chloride, rare earth carbonate, rare earth hydride or rare earth hydroxide, the used rare earth elements are 16 elements besides promethium in lanthanides; chemical form of the tin is metal monomer or oxide of tin, chloride of tin, sulfide of tin, fluoride of tin; chemical form of the bismuth inorganic compound is oxide of bismuth, sulfide of bismuth; the bismuth organic complex is unsaturated carboxylate of bismuth; chemical form of the tungsten is metal monomer or tungsten carbide, tungsten sulfide, tungstate and tungsten halogen. |
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