Nanosize styrene-acrylate micro-emulsion was synthesized using semi-continuous seed emulsion polymerization method,with hard monomers of styrene and methyl methacryiate,soft monomer of n-buty1 acryiate,function monome...Nanosize styrene-acrylate micro-emulsion was synthesized using semi-continuous seed emulsion polymerization method,with hard monomers of styrene and methyl methacryiate,soft monomer of n-buty1 acryiate,function monomers of acrylic,α-methyl acrylic acid and N-methyloacry amide,complex emulsifier of SDS and OP-10.The structure of the copolymer was characterized by IR and TEM.The influence of the main factors such as ratio of soft and hard monomers,function monomers,and ratio of an-ionic and non-ionicemulsifiers on properties of emulsion was investigated.The optimal emulsion polymerization conditions were determined.展开更多
Poly(styrene-acrylic acid) nanoparticles were prepared by emulsifier-free emulsion polymerization under ultrasonic irradiation and characterized by IR and TEM. The results show that the average diameter of the nanopar...Poly(styrene-acrylic acid) nanoparticles were prepared by emulsifier-free emulsion polymerization under ultrasonic irradiation and characterized by IR and TEM. The results show that the average diameter of the nanoparticles is 9 nm. The resonance light scattering peak was at 340 nm and it was greatly enhanced by protein. The nanoparticles are stable, water-soluble and bioactivity. A high sensitive RLS probe for protein determination was proposed.展开更多
文摘Nanosize styrene-acrylate micro-emulsion was synthesized using semi-continuous seed emulsion polymerization method,with hard monomers of styrene and methyl methacryiate,soft monomer of n-buty1 acryiate,function monomers of acrylic,α-methyl acrylic acid and N-methyloacry amide,complex emulsifier of SDS and OP-10.The structure of the copolymer was characterized by IR and TEM.The influence of the main factors such as ratio of soft and hard monomers,function monomers,and ratio of an-ionic and non-ionicemulsifiers on properties of emulsion was investigated.The optimal emulsion polymerization conditions were determined.
文摘Poly(styrene-acrylic acid) nanoparticles were prepared by emulsifier-free emulsion polymerization under ultrasonic irradiation and characterized by IR and TEM. The results show that the average diameter of the nanoparticles is 9 nm. The resonance light scattering peak was at 340 nm and it was greatly enhanced by protein. The nanoparticles are stable, water-soluble and bioactivity. A high sensitive RLS probe for protein determination was proposed.
