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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 1999.6
- 수록면
- 34 - 42 (9page)
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The present investigation has focused up on the study of the adsorption of three different molecular mass fractions of a polyDiMethylDiAllylAmmoniumChloride (DMDAAC)(8750(LMw), 48000(MMw)and l200000(HMw))on bleached chemi-cal fibres. Both kinetics of adsorption and equilibrium adsorption measurements have been conducted and each adsorption has been measured by polyelectrolyte titration. The results show that the LMw polymer can reach all of the charges in the fibre wall whereas the MMw and HMw can only reach the external surfaces of the fibres. It is also shown that the kinetics of adsorption of the LMw polymer is not at all affected by the presence of a saturated layer of HMw polymer on the surface of the fibres. Finally, the results from the investigation show that it is possible to have full coverage of the external surface of the fibres by a high molecular mass polymer and a full coverage of the internal surface of he fibres with a low molecular mass polymer. This is true if the high molecular masspolymer is added first followed by addition of the low molecular.
목차
ABSTRACT
KEY WORDS
BACKGROUND
EXPERIMENTAL
RESULTS
CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
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