世界上第一个设立的"绿色化学奖"--美国总统绿色化学挑战奖(Presidential Green Chemistry Challenge Awards,简称PGCCA),自从1995年由总统克林顿设立、1996年首次颁发以来,以其规模大、水平高、影响广而不断受到世人的瞩目.P...世界上第一个设立的"绿色化学奖"--美国总统绿色化学挑战奖(Presidential Green Chemistry Challenge Awards,简称PGCCA),自从1995年由总统克林顿设立、1996年首次颁发以来,以其规模大、水平高、影响广而不断受到世人的瞩目.PGCCA共设立了变更合成路线奖、改进溶剂和反应条件奖、设计更安全化学品奖、小企业奖以及学术奖5个奖项,这些奖项为个人、团体和组织提供了一个机会,可以通过竞争总统奖来获取与清洁化学、绿色化学相关的基础性研究的支持.PGCCA自1996年以来每年奖励一次,吴玉龙[2]和汪朝阳[3]分别对1996-2002和2003年的获奖情况进行了总结和评述.展开更多
The syntheis of diphenyletylane with xylol and styrene as reactants and solid superacid SO42-/TiO2 doped rare-earth metal ion La3+ as a catalyst was reported.The results showed that the optimal conditions were using 1...The syntheis of diphenyletylane with xylol and styrene as reactants and solid superacid SO42-/TiO2 doped rare-earth metal ion La3+ as a catalyst was reported.The results showed that the optimal conditions were using 1% of catalyst with the molar ration of xylol to styrene being 7.5:1,at temperature of 140℃ for 3 h;The yield of diphenylethylane under such conditions was about 97.5%.展开更多
Several kinds of amine curing chelating resins were synthesized through the reactions between F46 and different polyamines.Factors affecting the adsorption properties such as pH valus,temperature,adsorption time...Several kinds of amine curing chelating resins were synthesized through the reactions between F46 and different polyamines.Factors affecting the adsorption properties such as pH valus,temperature,adsorption time,and resin size are studied.Experimental results show that the adsorption process of the resins for Hg2+ fit the Langmuir equation.展开更多
文摘世界上第一个设立的"绿色化学奖"--美国总统绿色化学挑战奖(Presidential Green Chemistry Challenge Awards,简称PGCCA),自从1995年由总统克林顿设立、1996年首次颁发以来,以其规模大、水平高、影响广而不断受到世人的瞩目.PGCCA共设立了变更合成路线奖、改进溶剂和反应条件奖、设计更安全化学品奖、小企业奖以及学术奖5个奖项,这些奖项为个人、团体和组织提供了一个机会,可以通过竞争总统奖来获取与清洁化学、绿色化学相关的基础性研究的支持.PGCCA自1996年以来每年奖励一次,吴玉龙[2]和汪朝阳[3]分别对1996-2002和2003年的获奖情况进行了总结和评述.
文摘The syntheis of diphenyletylane with xylol and styrene as reactants and solid superacid SO42-/TiO2 doped rare-earth metal ion La3+ as a catalyst was reported.The results showed that the optimal conditions were using 1% of catalyst with the molar ration of xylol to styrene being 7.5:1,at temperature of 140℃ for 3 h;The yield of diphenylethylane under such conditions was about 97.5%.
文摘Several kinds of amine curing chelating resins were synthesized through the reactions between F46 and different polyamines.Factors affecting the adsorption properties such as pH valus,temperature,adsorption time,and resin size are studied.Experimental results show that the adsorption process of the resins for Hg2+ fit the Langmuir equation.
