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Grafting of poly(vinyl chloride) with methyl methacrylate—I. Synthesis and characterization

✍ Scribed by U.K. Saroop; K.K. Sharma; Madhumita Saroop; K.K. Jain; Ashok Misra; S.N. Maiti

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
239 KB
Volume
24
Category
Article
ISSN
0014-3057

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✦ Synopsis

Abstraet--Poly(vinyl chloride) was first dehydrochlorinated in an alkaline medium and then grafted with methyl methacrylate using benzoyl peroxide as free radical initiator in an inert atmosphere. Studies were carried out to determine the effects on grafting of synthesis conditions such as time, initiator concentration, ratio of monomer to polymer, dehydrochlorination at various temperatures and solvent concentration. A maximum of 33% grafting was obtained for the optimum set of conditions. Percentage graft and grafting efficiency were determined from chlorine contents of the grafted products.

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✍ M. M. Gorelova; A. J. Pertsin; A. M. Muzafarov; O. T. Gritsenok; N. G. Vasilenko 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 371 KB 👁 3 views

X-ray photoelectron spectroscopy is used to study the surface segregation of siloxane in dilute blends of poly(methy1 methacrylate)/poly(dimethyl siloxane) graft copolymers in poly(viny1 chloride) (PVC). The graft copolymers are found to be extremely efficient surface modifiers, which form, when add