Radiation induced solid-state polymerisation.
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Radiation induced solid-state polymerisation. by Surendra A. Bhatt

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Published in Bradford .
Written in English

Book details:

Edition Notes

M.Sc. dissertation. Typescript.

The Physical Object
Number of Pages110
ID Numbers
Open LibraryOL20090440M

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Book Description. Part of the series "New Concepts in Polymer Science", this volume contains information on the main theoretical and practical problems involved in radiation chemistry of polymers. Radiation‐induced solid state polymerization Radiation‐induced solid state polymerization Marans, N. S. The literature on radiation‐induced solid state polymerization has been increasing exponentially in the last five years. Major advances have been made in retention of crystalline morphology during polymerization, in stereospecific polymerization, in modification of. Abstract Radiation‐induced solid‐state copolymerization of the maleic anhydride–acenaphthylene system was carried out for the purpose of studying the solid‐state polymerization of vinyl compounds in a binary system. Melting point measurement confirmed that this binary monomer system forms a eutectic mixture in the solid by: 7. Radiation‐induced solid‐state polymerization in binary systems. IX. Polymerization and foaming of multicomponent systems including inorganic acid and acrylic monomers. Gamma ray‐induced polymerization of inorganic acid and acrylamide or acrylonitrile systems was carried out in a supercooled phase.

The field of solid state polymerization presents an intriguing problem to all radiation workers and its elucidation will provide much novel information on the nature of reactions in the solid state. The author wishes to acknowledge the helpful advice and criticism given by Pro]essor A. by: The radiation‐induced polymerization of glass‐forming systems containing monomers has been investigated. It was found that irradiation below the second‐order transition temperature T g of the systems causes no in‐source polymerization but causes a rapid postpolymerization on warming above the T g after initial irradiation below the T post‐polymerization was followed by. The solid-state polymerization of N-phenyl maleimide (NPMI) induced by 60 Co γ-rays was studied above and below its melting point over the range 70– The conversion increases on raising the irradiation temperature. The polymers were characterized by elemental analysis, intrinsic viscosity, spectroscopy (u.v., i.r. NMR), programmed thermogravimetric analysis and X-ray diffraction. Some specific features of the radiation-induced emulsion copolymerization of butyl acrylate and acrylonitrile and radiation-induced crosslinking of the resulting copolymer in the latex form were.

  Solid-state polymerization was reported to proceed faster in crystalline monomers than just above their melting points. This effect appears to be caused by a rigorous dehydration in the crystal which favors a cationic mechanism. The specific features of radiation initiated polymerization which may be of practical value are stressed in greater detail. [71] Okamura S, Hayashi K, Kitanishi Y. Radiation-induced solid-state polymerization of ring compounds. Journal of Polymer Science Part A: Polymer Chemistry. ; 58 ()   To understand ionizing radiation-induced polymerization, the water radiolysis must be taken into consideration. This chapter explores the mechanism of water molecules radiolysis paying especial attention to the basic regularities of solvent radicals’ interaction with the polymer molecules for forming the crosslinked polymer. A Charlesby, Solid-state polymerization induced by radiation, Reports on Progress in Physics, //28/1/, 28, 1, (), (). Crossref Anastasios Dondos, Edward F Casassa, Calculation of the unperturbed dimensions of polymers via an equation derived from the combination of the two-parameters theory with the blob theory.