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Radiation induced ionic polymerisation and grafting of vinyl monomers

✍ Scribed by Stannett, Vivian T.

Publisher
Wiley (John Wiley & Sons)
Year
1981
Tongue
English
Weight
519 KB
Volume
13
Category
Article
ISSN
0007-1641

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✦ Synopsis

Abstract

Some special aspects of the radiation induced ionic polymerisation and grafting of vinyl monomers will be described. In particular the effects of solvents on the cationic polymerisation of the vinyl ethers will be discussed in detail. The unequivocal free ion nature of the polymerisation makes such information of considerable general interest. Estimates of the propagation rate constants with free cation polymerisation in solvents of different dietectric constants and solvation powers will be presented. Finally, some observations on the radiation induced graft polymerisation of ethyl vinyl ether to poly (vinyl chloride) and to polypropylene will be presented.

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The preparation of graft Ðlms was carried out by direct radiationinduced graft polymerization of acrylic acid and vinyl acetate comonomer onto heavy-duty poly(ethyleneÈvinyl acetate) Ðlms. The e †ect of various comonomer compositions on the degree of grafting was investigated. The characterization a