教師資料查詢 | 類別: 期刊論文 | 教師: 吳俊弘WU, CHUNHUNG (瀏覽個人網頁)

標題:Dominant Factors on the Micellization of BnEmBn-Type Triblock Copolymers in Aqueous Solution
學年86
學期2
出版(發表)日期1998/04/16
作品名稱Dominant Factors on the Micellization of BnEmBn-Type Triblock Copolymers in Aqueous Solution
作品名稱(其他語言)
著者Liu, T.; Zhou, Z.; 吳俊弘; Wu, C.; Nace, V. M.; Chu, B.
單位淡江大學化學學系
出版者American Chemical Society (ACS)
著錄名稱、卷期、頁數Journal of physical chemistry B 102(16), pp.2875-2882
摘要The micellization parameters of a series of oxyethylene/oxybutylene (BnEmBn) triblock copolymers (B4E40B4, B5E39B5, B5E91B5, B6E46B6, B7E22B7, B7E40B7, B10E271B10, and B12E260B12) were summarized to obtain collective conclusions on the dominant factors that affect the micellization of such sort of triblock copolymers in aqueous solution. The effects of the block lengths of both the hydrophobic end B blocks and the hydrophilic middle E block on the critical micellar concentrations, the association numbers, the second virial coefficients of micelles, the enthalpy of micellization, the hydrodynamic radius, and the intermicellar cross-linking are discussed. It was found that the micellization was mainly determined by the B block length while the micellar size and the intermicellar structure were influenced greatly by the E block length. The scaling theory that was derived from diblock copolymer micelle models can also be used in triblock copolymer miceller systems.
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語言英文
ISSN1520-6106
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國別中華民國
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