Synthesis and characterization of siloxyphenyl porphyrins
Journal Title: Science Paper Online - Year 2008, Vol 3, Issue 9
Abstract
In this paper, three new porphyrin derivatives are synthesized by modification of tetrahydroxylphenylporphyrin with chlorotrimethylsilane, chlorodimethylvinylsilane and chloro (methyl) diphenylsilane. The products were characterized by 1H-NMR, ESI-MS, elemental analysis and IR spectra. Solubility of products is investigated. The effects of different substitute group and central metal ion on UV-Vis spectra are studied and fluorescence spectra are studied.
Authors and Affiliations
LAI Guoqiao QIU Huayu
Investigation on the mechanical properties and microstructure<br /> of new type of fire-resistant steel containing B<br />
The mechanical properties and microstructure of new type of fire-resistant steel at different states are investigated by using optical microscopy, scanning electron microscopy and transmission electron microscopy, and th...
Study on benzene series and formaldehyde pollution<br /> in indoor air of newly decorated rooms<br />
[Objective] To investigate the indoor pollution in newly decorated rooms in order to find out the trends of benzene series and formaldehyde pollution and the influence on health of residents. [Methods] The indoor air co...
一种含三氟甲基侧基的聚酰胺酰亚胺的<br /> 合成与性能研究<br />
本文采用分子设计的方法,合成一种新型含三氟甲基侧基的二氨单体。并运用一步合成法,得到高分子量可溶性聚酰胺酰亚胺。通过1HNMR、FT-IR、TGA 、DSC等对所制备聚合物的结构和性能进行了表征。结果表明,合成的聚合物为无规高分子结构,...
纳米晶CuAl2O4的合成、表征及光催化性能研究
本文通过有机物前驱体法制备尖晶石型CuAl2O4纳米晶,利用TG-DTA、XRD、TEM、UV-VIS等分析手段表征了前驱体和CuAl2O4粉体。结果表明,CuAl2O4在热处理中出现了CuO中间相,经900℃焙烧得到单相CuAl2O4。800℃的CuAl2O4的禁带宽度为1.92 eV,...
Elasto-plastic constitutive relation under general loading law<br /> in strain space<br />
In this paper, the elasto-plastic model of general loading law is generalized from one dimensional stress and strain space into multi-dimensional stress and strain space. The method of derivation of elasto-plastic consti...