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roentgen screen -A rubber composite material and process for its preparation The lead-free 发明授权

2023-12-20 4780 1071K 0

专利信息

申请日期 2025-06-25 申请号 DE112009002123
公开(公告)号 DE112009002123B4 公开(公告)日 2016-07-07
公开国别 DE 申请人省市代码 全国
申请人 Beijing University of Chemical Technology
简介 An overall lead-free X-ray shielding rubber compound material. The overall lead-free X-ray shielding rubber compound material uses rare earth mixture to replace lead, simultaneously adds metal tin and compounds thereof, metal tungsten and compounds thereof and bismuth and compounds thereof as shielding main materials and is further compounded with rubber to prepare the compound material which can realize the overall shielding and the complete lead-free property within the energy range of 40-170 kVp. When rare earth and bismuth materials are used, the way of combined use of two metal element inorganic compounds and unsaturated organic complexes is adopted, and the in-situ reaction and the compounding with a polymer matrix are carried out, thereby leading the shielding element disperse phase to form nano-micro-level dispersed particles.


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