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    • 9. 发明申请
    • Nonconjugated Conductive Polymers for Protection against Nuclear Radiation including Radioactive Iodine
    • 用于防辐射的非共轭导电聚合物,包括放射性碘
    • US20130018160A1
    • 2013-01-17
    • US13179876
    • 2011-07-11
    • Mrinal Thakur
    • Mrinal Thakur
    • C08F132/04C08F236/20C08F136/20
    • G21F9/04C08L21/00C08L47/00G21F9/06G21F9/12G21F9/28
    • Nonconjugated conductive polymers absorb radioactive iodine, therefore are useful for protection against nuclear radiation. These polymers have at least one double bond per repeat unit. The ratio of the number of double bonds to the total number of bonds along the polymer chain is less than half. Examples of nonconjugated conductive polymers include: cis-1,4-polyisoprene (natural rubber), trans-1,4-polyisoprene (gutta percha), polybutadiene, polydimethyl butadiene, poly(b-pinene), styrene butadiene rubber (SBR), polyalloocimene, polynorbornene and many others. Through interaction with iodine atoms the double bonds in the nonconjugated polymers transform into radical cations leading to a dark color. The iodine atoms remain (immobile) bound to the polymer chain through the charge-transfer interaction, these polymers are very inexpensive and can be easily processed into any shape, structure and size. Therefore, these are useful for protection against nuclear radiation including radioactive iodine. These polymers when used as a thick cover can provide safe storage of nuclear waste materials including spent fuel rods.
    • 非共轭导电聚合物吸收放射性碘,因此可用于防止核辐射。 这些聚合物每个重复单元具有至少一个双键。 双键数与沿聚合物链的总键数的比例小于一半。 非共轭导电聚合物的实例包括:顺式-1,4-聚异戊二烯(天然橡胶),反式-1,4-聚异戊二烯(gutta percha),聚丁二烯,聚二甲基丁二烯,聚(b-蒎烯),丁苯橡胶(SBR) 多烯烃,聚降冰片烯等。 通过与碘原子的相互作用,非共轭聚合物中的双键转化成自由基阳离子,导致暗色。 碘原子通过电荷转移相互作用而保持(固定)与聚合物链结合,这些聚合物非常便宜,并且可以容易地加工成任何形状,结构和尺寸。 因此,这些可用于防止包括放射性碘在内的核辐射。 当用作厚盖时,这些聚合物可以提供包括乏燃料棒在内的核废料的安全储存。