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Volumn 5, Issue 12, 2009, Pages 2371-2377

Hierarchical self-organization in polyelectrolyte-surfactant complexes based on heteroarm star block copolyampholytes

Author keywords

[No Author keywords available]

Indexed keywords

BLOCK TERPOLYMERS; CHARGED SURFACTANTS; CLOSE-PACKED SPHERES; COMPLEXATION REACTION; CORE-SHELL; HETEROARM STARS; LENGTH SCALE; MACROMOLECULAR TEMPLATES; MATRIX; POLY(2-VINYLPYRIDINE) (P2VP); POLY(ACRYLIC ACID ); POLYELECTROLYTE-SURFACTANT COMPLEXES; POSITIVELY CHARGED; REAL-SPACE; RECIPROCAL SPACE; SELF-ORGANIZATION; STAR BLOCK COPOLYMER; SUPRAMOLECULAR COMPLEXES; TRANSMISSION ELECTRON;

EID: 67449158097     PISSN: 1744683X     EISSN: 17446848     Source Type: Journal    
DOI: 10.1039/b817219f     Document Type: Article
Times cited : (22)

References (42)
  • 31
    • 67449142101 scopus 로고    scopus 로고
    • We note here that ionic polymer-surfactant complexes are often prepared by mixing acidic surfactants with polymers bearing basic groups (or vice-versa), with complexation being accomplished by proton exchange from acid to base and the ionic bonding that results. The ampholytic nature of the HAS under discussion here precludes this complexation route. On the other hand, the chosen complexation route, because it involves charging one (and only one) of the polymer blocks, avoids potential complications due to charged or hydrogen bonding interactions between the PAA and P2VP blocks
    • We note here that ionic polymer-surfactant complexes are often prepared by mixing acidic surfactants with polymers bearing basic groups (or vice-versa), with complexation being accomplished by proton exchange from acid to base and the ionic bonding that results. The ampholytic nature of the HAS under discussion here precludes this complexation route. On the other hand, the chosen complexation route, because it involves charging one (and only one) of the polymer blocks, avoids potential complications due to charged or hydrogen bonding interactions between the PAA and P2VP blocks
  • 32
    • 67449115232 scopus 로고    scopus 로고
    • Complexation at low pH with octadecylsulfate could not be accomplished due to low solubility of the surfactant in the DMSO/DMF/water solvent used
    • Complexation at low pH with octadecylsulfate could not be accomplished due to low solubility of the surfactant in the DMSO/DMF/water solvent used
  • 33
    • 67449154845 scopus 로고    scopus 로고
    • For example, the theoretical C, H, and N compositions for the parent HAS are 75%, 7%, 8%, respectively, while those compositions for the HAS-aaC12 complex at 100% complexation are 77%, 10%, 7%. With such slight differences in atomic composition, the value of EA as an analytical tool in this case is very limited
    • For example, the theoretical C, H, and N compositions for the parent HAS are 75%, 7%, 8%, respectively, while those compositions for the HAS-aaC12 complex at 100% complexation are 77%, 10%, 7%. With such slight differences in atomic composition, the value of EA as an analytical tool in this case is very limited
  • 37
    • 67449120914 scopus 로고    scopus 로고
    • This second-order Bragg peak for the PAA(C18) lamellae is broadened relative to the first order peak due to the line-collimation of the Kratky camera setup used for the measurement at these higher q values, and attendant peak smearing. See the Experimental section
    • This second-order Bragg peak for the PAA(C18) lamellae is broadened relative to the first order peak due to the line-collimation of the Kratky camera setup used for the measurement at these higher q values, and attendant peak smearing. See the Experimental section


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.