Linear copolymers from N-isopropylacrylamide （NIPA）, acrylic acid （AA） and diacetone acrylamide （DAA） have been prepared. The effect of composition, ionic strength and pH on their lower critical solution tempera...Linear copolymers from N-isopropylacrylamide （NIPA）, acrylic acid （AA） and diacetone acrylamide （DAA） have been prepared. The effect of composition, ionic strength and pH on their lower critical solution temperature （LCST） has been investigated.展开更多
An empirical epuation to reveal relations between topological index(ZG)and physico chemical portes of normal paraffins is proposed as follows; p= a ig ZG/Nx + b, where P standsfor a physico-chemical property, N is the...An empirical epuation to reveal relations between topological index(ZG)and physico chemical portes of normal paraffins is proposed as follows; p= a ig ZG/Nx + b, where P standsfor a physico-chemical property, N is the number of carbon atoms in the molecule, and ZG is thetopological index proposed by Hosoya a, b, and x are constants related to a certain Phyaicochemical property. Thirteen properties are calculated ac this equation The values of theseproperties caiculated are Close to those from experiments.展开更多
文摘Linear copolymers from N-isopropylacrylamide （NIPA）, acrylic acid （AA） and diacetone acrylamide （DAA） have been prepared. The effect of composition, ionic strength and pH on their lower critical solution temperature （LCST） has been investigated.
文摘An empirical epuation to reveal relations between topological index(ZG)and physico chemical portes of normal paraffins is proposed as follows; p= a ig ZG/Nx + b, where P standsfor a physico-chemical property, N is the number of carbon atoms in the molecule, and ZG is thetopological index proposed by Hosoya a, b, and x are constants related to a certain Phyaicochemical property. Thirteen properties are calculated ac this equation The values of theseproperties caiculated are Close to those from experiments.
