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Download E-books The Concept of Micellar-Sponge Nanophases in Chemical Physics of Polymers (New Concepts in Polymer Science) PDF

The monograph is meant for elucidation of the radical pattern in chemical physics concerning the polymer non-crystalline section. It stresses the actual phenomena affecting the kinetics and mechanism of chemical reactions continuing within the non-crystalline polymer matrix (NCPM). NCPM is depicted when it comes to a supramolecular (carcass-micellar) version. The version is assumed to mirror heterophase packing of polymeric chains, which co-operate as a molecular-chain sponge. The NCPM version awarded is proved for sufficient description of central structure-physical phenomena to tricky the scheme of structural-kinetic modeling of chemical reactions in cumbersome polymers. Structure-physical phenomena elucidated within the monograph are: - peculiarities of polymer plasticization and polymer mixing with beverages; - structural and thermodynamic facets of sorption of low molecular species; - houses of ESR (spin) probes and optical (molecular) probes; - good points of water absorbed by way of polymers; - mechanical and thermal results generated through the molecular-chain sponge; - supramolecular points of NCPM chemical physics. This monograph contains the structural-kinetic modeling of complicated polymer chemical reactions. It bargains with the matter of mechanism and kinetics of loose radical chain reactions utilizing thermal and photochemical version reactions of dibenzoyl peroxide with glassy-like polymers (cellulose triacetate, polycarbonate, polystyrene, polyamide PA-548), viscoelastic polymers (atactic polypropylene, polyamide PA-548, polyethylene, polyisobutylene, melted poly(ethylene oxide), and isotactic polypropylene. In all situations, the supramolecular heterophase mechanism of the strategies, which used to be unknown for homogeneous structures, was once proved. additionally, heterophase mechanisms of photochemical response among naphthalene and cellulose triacetate and photolysis of poly(methyl methacrylate) continuing as a photochain response are indicated.

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