A polytetrafluoroethylene capillary viscometer

doi:10.1007/s00396-003-0904-3

CORC > 化学研究所 > 中国科学院化学研究所

	A polytetrafluoroethylene capillary viscometer
	Cai, JL ; Bo, SQ ; Cheng, RS
刊名	COLLOID AND POLYMER SCIENCE
	2003-12-01
卷号	282 期号:2 页码:182-187
关键词	Ptfe Viscometer Polymer Solution Viscosity Viscosity Measurement
ISSN号	0303-402X
DOI	10.1007/s00396-003-0904-3
英文摘要	A polytetrafluoroethylene(PTFE) capillary Ubbelohde viscometer was designed and constructed. The relative viscosities of aqueous solutions of a polyethylene oxide and a polyvinylpyrrolidone sample were carefully determined down to an extremely dilute concentration region. In comparison with the data obtained from the common glass capillary viscometer, slippage is believed to occur in the PTFE capillary due to its hydrophobic nature. While for the glass capillary viscometer, conventional viscous flow is operative and adsorption phenomena occur since both the solvent water and aqueous solution are wet and/or adsorbed onto the glass capillary surface due to the existence of hydroxyl groups on glass surface. The data were analyzed with a recently developed wall-effect theory and satisfactory results were obtained.
语种	英语
出版者	SPRINGER-VERLAG
WOS记录号	WOS:000187126200012
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/81317]
专题	中国科学院化学研究所
通讯作者	Cheng, RS
作者单位	1.Nanjing Univ, Coll Chem & Chem Engn, Nanjing 210093, Peoples R China 2.Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
推荐引用方式 GB/T 7714	Cai, JL,Bo, SQ,Cheng, RS. A polytetrafluoroethylene capillary viscometer[J]. COLLOID AND POLYMER SCIENCE,2003,282(2):182-187.
APA	Cai, JL,Bo, SQ,&Cheng, RS.(2003).A polytetrafluoroethylene capillary viscometer.COLLOID AND POLYMER SCIENCE,282(2),182-187.
MLA	Cai, JL,et al."A polytetrafluoroethylene capillary viscometer".COLLOID AND POLYMER SCIENCE 282.2(2003):182-187.