A new type of resin containing calixarene carboxylate and chitosan was synthesized for the first time and adsorption behavior of them for K+,Na+,Hg2+,Ag+,Ni2+,Cd2+and Pb2+was investigated.It was found calixarene-chito...A new type of resin containing calixarene carboxylate and chitosan was synthesized for the first time and adsorption behavior of them for K+,Na+,Hg2+,Ag+,Ni2+,Cd2+and Pb2+was investigated.It was found calixarene-chitosan show high adsorption capablilities and some adsorption selectivity comparing with chitosan and other calixarene polymers.展开更多
In this paper,Calixarenes 5,11,17,23 tetrasulfonic acid, tetrasodium salt was synthesized by the reaction of calixarenes and H 2SO 4. The yield of the Calixarenes 5,11,17,23 tetrasulfonic sodiums was improved to 20%～...In this paper,Calixarenes 5,11,17,23 tetrasulfonic acid, tetrasodium salt was synthesized by the reaction of calixarenes and H 2SO 4. The yield of the Calixarenes 5,11,17,23 tetrasulfonic sodiums was improved to 20%～30% using the method that the reactant (filitrated H 2SO 4) was dissolved in a little amount of NaCl saturated solution and then the water was volatilized at room temperature.展开更多
文摘A new type of resin containing calixarene carboxylate and chitosan was synthesized for the first time and adsorption behavior of them for K+,Na+,Hg2+,Ag+,Ni2+,Cd2+and Pb2+was investigated.It was found calixarene-chitosan show high adsorption capablilities and some adsorption selectivity comparing with chitosan and other calixarene polymers.
文摘In this paper,Calixarenes 5,11,17,23 tetrasulfonic acid, tetrasodium salt was synthesized by the reaction of calixarenes and H 2SO 4. The yield of the Calixarenes 5,11,17,23 tetrasulfonic sodiums was improved to 20%～30% using the method that the reactant (filitrated H 2SO 4) was dissolved in a little amount of NaCl saturated solution and then the water was volatilized at room temperature.
