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    Electronic Resource
    Electronic Resource
    Non-self-similar aggregation of methylcellulose (2000)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 33 (2000), S. 669-672 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: Aggregation of methylcellulose in aqueous dilute solution is studied by light and small angle neutron scattering. For temperature T〈293.15K, the free chains adopt a swollen conformation. For T〉313.15K, a slow aggregation kinetics occurs. At qRg〈1, the association number is found to vary as Rg3. However at qRg〉1, the scattered intensity decreases as q−(1〈d≤1.3) depending on the temperature. At even higher q, one observes a local compaction as aggregation proceeds, as revealed by a more and more pronounced Porod's behaviour. Results are discussed in terms of non self-similar growing aggregates, having neither a rod-like nor a dense structure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889899013278
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