Synthesis of micrometer-size poly(N-isopropylacrylamide) microgel particles with homogeneous crosslinker density and diameter control

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	Synthesis of micrometer-size poly(N-isopropylacrylamide) microgel particles with homogeneous crosslinker density and diameter control
	Still, T ; Chen, K ; Alsayed, AM ; Aptowicz, KB ; Yodh, AG
刊名	JOURNAL OF COLLOID AND INTERFACE SCIENCE
	2013
卷号	405 页码:96
关键词	Colloids Polymers Hydrogels Synthesis Thermoresponsive
ISSN号	0021-9797
通讯作者	Still, T (reprint author), Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA.
中文摘要	Poly(N-isopropylacrylamide) microgel particles are synthesized using a semi-batch surfactant-free emulsion polymerization method. Particle diameter can be precisely adjusted by controlling the initial conditions, the electrolyte concentration, and the monomer feeding rate and duration. Larger particles are obtained in the presence of small amounts of co-monomer with cationic amino groups that compete against the negative charges arising from the initiator. Monodisperse particles with uniform cross-linker density, homogeneous optical properties, and pronounced thermoresponsivity are readily produced with a wide variety of diameters ranging from several hundred nanometers to a few micrometers. The charge stabilization mechanisms that control particle growth are discussed. (C) 2013 Elsevier Inc. All rights reserved.
资助信息	National Science Foundation [DMR12-05463, DMR-1206231]; PENN MRSEC [DMR11-20901]; NASA [NNX08AO0G]; DAAD
语种	英语
公开日期	2014-01-17
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/57542]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Still, T,Chen, K,Alsayed, AM,et al. Synthesis of micrometer-size poly(N-isopropylacrylamide) microgel particles with homogeneous crosslinker density and diameter control[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2013,405:96.
APA	Still, T,Chen, K,Alsayed, AM,Aptowicz, KB,&Yodh, AG.(2013).Synthesis of micrometer-size poly(N-isopropylacrylamide) microgel particles with homogeneous crosslinker density and diameter control.JOURNAL OF COLLOID AND INTERFACE SCIENCE,405,96.
MLA	Still, T,et al."Synthesis of micrometer-size poly(N-isopropylacrylamide) microgel particles with homogeneous crosslinker density and diameter control".JOURNAL OF COLLOID AND INTERFACE SCIENCE 405(2013):96.