A 2D plane coordination compound [Ag_2（Dpya）_2.（NO_3）_2]n was synthesized and characterized by FT-IR,elemental analysis and TG analysis.The red crystal was obtained via solvent diffusion method at room temperature...A 2D plane coordination compound [Ag_2（Dpya）_2.（NO_3）_2]n was synthesized and characterized by FT-IR,elemental analysis and TG analysis.The red crystal was obtained via solvent diffusion method at room temperature and is slightly soluble in organic solvents.Its structure was determined by single-crystal X-ray diffraction analysis.It crystallizes in monoclinic,space group P1 with a = 10.7995（13）,b = 7.4748（8）,c = 18.364（2） A,β = 98.916（4）o,V = 1464.5（3） A^3,Z = 2,C_（26）H_（28）Ag_2N_（10）O_6,M_r = 792.32,Dc = 1.302 Mg/m^3,F（000） = 792,μ（Mo Ka） = 1.356 mm^-1,R = 0.0575 and w R = 0.0826.The compound [Ag_2（Dpya）_2.（NO_3）_2]_n is a two-dimensional structure and there are two kinds of coordination configurations about the Ag atoms in the compound.The Ag（1） center is tetrahedrally coordinated with two O atoms of NO_3^-and two N atoms from the ligand Dpya.Meanwhile,the Ag（2） is five-coordinated by five O atoms from three NO_3^-anions.The Ag centers（Ag（1） and Ag（2）） connect to themselves as well as with each other by the bridging NO_3^-anions.And the coordination compound shows photoluminescence with an emission peak at 530 nm（λex = 450 nm） as the ligand Dpya.展开更多
A novel and facile method toward a series of yellow water-borne polyurethane was developed by using an intrinsically colored diol in this paper.The yellow aqueous dispersion PCLD-HENA-PU was synthesized based on isoph...A novel and facile method toward a series of yellow water-borne polyurethane was developed by using an intrinsically colored diol in this paper.The yellow aqueous dispersion PCLD-HENA-PU was synthesized based on isophorone diisocyanate(IPDI), polycaprolactonediol(PCLD) and 2,2-dimethylol propionic acid(DMPA) using a yellow diol N,N-bis(2-hydroxyethyl)-4-nitroaniline (HENA) as a chain extender.Due to the complete reaction of OH group in colorant HENA with NCO group in diisocyanate,a series of stable yellow p...展开更多
基金the sponsorship and financial support from the Key Laboratory of Organic Synthesis of Jiangsu Province
文摘A 2D plane coordination compound [Ag_2（Dpya）_2.（NO_3）_2]n was synthesized and characterized by FT-IR,elemental analysis and TG analysis.The red crystal was obtained via solvent diffusion method at room temperature and is slightly soluble in organic solvents.Its structure was determined by single-crystal X-ray diffraction analysis.It crystallizes in monoclinic,space group P1 with a = 10.7995（13）,b = 7.4748（8）,c = 18.364（2） A,β = 98.916（4）o,V = 1464.5（3） A^3,Z = 2,C_（26）H_（28）Ag_2N_（10）O_6,M_r = 792.32,Dc = 1.302 Mg/m^3,F（000） = 792,μ（Mo Ka） = 1.356 mm^-1,R = 0.0575 and w R = 0.0826.The compound [Ag_2（Dpya）_2.（NO_3）_2]_n is a two-dimensional structure and there are two kinds of coordination configurations about the Ag atoms in the compound.The Ag（1） center is tetrahedrally coordinated with two O atoms of NO_3^-and two N atoms from the ligand Dpya.Meanwhile,the Ag（2） is five-coordinated by five O atoms from three NO_3^-anions.The Ag centers（Ag（1） and Ag（2）） connect to themselves as well as with each other by the bridging NO_3^-anions.And the coordination compound shows photoluminescence with an emission peak at 530 nm（λex = 450 nm） as the ligand Dpya.
基金the National Natural Science Foundation of China(No.50273035)
文摘A novel and facile method toward a series of yellow water-borne polyurethane was developed by using an intrinsically colored diol in this paper.The yellow aqueous dispersion PCLD-HENA-PU was synthesized based on isophorone diisocyanate(IPDI), polycaprolactonediol(PCLD) and 2,2-dimethylol propionic acid(DMPA) using a yellow diol N,N-bis(2-hydroxyethyl)-4-nitroaniline (HENA) as a chain extender.Due to the complete reaction of OH group in colorant HENA with NCO group in diisocyanate,a series of stable yellow p...
