高分子类论文翻译,不要直接粘贴谷歌等翻译软件的,翻译的通顺、意思正确即可,急用,好的加分,谢谢
ItiswellknownthatanincreaseinthelengthofthealkylchainbyoneCH2groupresultsinadisplacem...
It is well known that an increase in the length of the alkyl chain by one
CH2 group results in a displacement of the CMC towards concentrations onethird
as large [ 271. It is hence quite normal that the isotherm plateau for TN
101 is reached at a smaller equilibrium concentration than in the case of
TX 100.
To complete this study on the effects on the adsorption of various parameters
characterizing oxyethylenic surfactants, the behaviour of two products
of molecular weight 400 (EO,) and 1000 (EO,,), with only an oxyethylenic
chain, have been investigated. These two substances are not surface-active
compounds, they are soluble in water in all proportions, and are only weakly
adsorbed (15 times less than other substances studied here, of comparable
molecular weight). This weak adsorption can be attributed to the fact that
the polyoxyethylene chains are strongly hydrophilic and that the surface of
silica gel in water is little different from the bulk. 展开
CH2 group results in a displacement of the CMC towards concentrations onethird
as large [ 271. It is hence quite normal that the isotherm plateau for TN
101 is reached at a smaller equilibrium concentration than in the case of
TX 100.
To complete this study on the effects on the adsorption of various parameters
characterizing oxyethylenic surfactants, the behaviour of two products
of molecular weight 400 (EO,) and 1000 (EO,,), with only an oxyethylenic
chain, have been investigated. These two substances are not surface-active
compounds, they are soluble in water in all proportions, and are only weakly
adsorbed (15 times less than other substances studied here, of comparable
molecular weight). This weak adsorption can be attributed to the fact that
the polyoxyethylene chains are strongly hydrophilic and that the surface of
silica gel in water is little different from the bulk. 展开
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