Abstract
The aggregation of primary aggregates in a multilevel structure aggregate changes the structure of the whole object. A model is presented of cluster–cluster aggregation, in which the growing aggregate has no self-similar structure but restructures to get a limiting fractal dimension, equal to that of primary aggregates. This object serves as a model for larger aggregate containing many two-cluster primary aggregates formed at the same stage of restructuring. The model well describes the evolution of thermal blob size in polymer coils with the solvent quality. The process of sintering of aggregates into compact spherical particles has also a good representation by the model.
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More From: Colloids and Surfaces A: Physicochemical and Engineering Aspects
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