A series of rigid-flexible-ligand functionalized dodeca-nuclear lanthanide-tungsten heterometal cluster incorporated ring-shaped selenotungstates[H_(2)N(CH_(3))_(2)]_(16)Na_(2)[Ln_(4)(H_(2)O)_(6)(HPZDA)_(2)(HFMA)_(2)W...A series of rigid-flexible-ligand functionalized dodeca-nuclear lanthanide-tungsten heterometal cluster incorporated ring-shaped selenotungstates[H_(2)N(CH_(3))_(2)]_(16)Na_(2)[Ln_(4)(H_(2)O)_(6)(HPZDA)_(2)(HFMA)_(2)W_(8)O_(21)][B-α-SeW_(9)O_(33)]_(4)·_(2)_(9)H_(2)O[Ln=Ce^(3+)(1),Pr^(3+)(2),Nd^(3+)(3);H_(2)PZDA=2,3-pyrazine dicarboxylic acid,H_(2)FMA=fumaric acid]and[H_(2)N(CH_(3))_(2)]_(14)Cs_(2)Na_(2)[Eu4(H_(2)O)_(6)(HPZDA)_(2)(HFMA)_(2)W_(8)O_(21)][B-α-SeW_(9)O_(33)]_(4)·_(3)0H_(2)O(4)were prepared by a cooperative strategy of rigid and flexible ligands.展开更多
以十二叔胺、环氧氯丙烷为原料,在80℃反应4h先合成季铵盐,然后再在催化条件下,85℃反应8h聚合成超支化Gem in i季铵盐。研究了超支化Gem in i季铵盐的特殊性能,并讨论了其在油田、造纸、工业水处理、印刷电路板、农药、纺织印染助剂等...以十二叔胺、环氧氯丙烷为原料,在80℃反应4h先合成季铵盐,然后再在催化条件下,85℃反应8h聚合成超支化Gem in i季铵盐。研究了超支化Gem in i季铵盐的特殊性能,并讨论了其在油田、造纸、工业水处理、印刷电路板、农药、纺织印染助剂等领域中的应用。展开更多
基金supported by the National Natural Science Foundation of China(21871077,22071042,22101072,and 22171070)the Program for Innovation Teams in Science and Technology in Universities of Henan Province(20IRTSTHN004)+1 种基金the China Postdoctoral Science Foundation(2021M701067)the Innovation and Entrepreneurship Training Program for College Students of Henan University(202210475001 and 20222404112).
文摘A series of rigid-flexible-ligand functionalized dodeca-nuclear lanthanide-tungsten heterometal cluster incorporated ring-shaped selenotungstates[H_(2)N(CH_(3))_(2)]_(16)Na_(2)[Ln_(4)(H_(2)O)_(6)(HPZDA)_(2)(HFMA)_(2)W_(8)O_(21)][B-α-SeW_(9)O_(33)]_(4)·_(2)_(9)H_(2)O[Ln=Ce^(3+)(1),Pr^(3+)(2),Nd^(3+)(3);H_(2)PZDA=2,3-pyrazine dicarboxylic acid,H_(2)FMA=fumaric acid]and[H_(2)N(CH_(3))_(2)]_(14)Cs_(2)Na_(2)[Eu4(H_(2)O)_(6)(HPZDA)_(2)(HFMA)_(2)W_(8)O_(21)][B-α-SeW_(9)O_(33)]_(4)·_(3)0H_(2)O(4)were prepared by a cooperative strategy of rigid and flexible ligands.