Surface modification of poly(vinyl chloride) with poly(methyl methacrylate)/poly(dimethyl siloxane) graft copolymers
โ Scribed by M. M. Gorelova; A. J. Pertsin; A. M. Muzafarov; O. T. Gritsenok; N. G. Vasilenko
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 371 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0021-8995
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โฆ Synopsis
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 added in amounts of 0.5% or more, a continuous siloxane overlayer on the surface of PVC.
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Impact resistant plastic foam of dehydrochlorinated poly(viny1 chloride) (DHPVC)-poly(methy1 methacrylate) (PMMA) was prepared for cryogenic insulation in space vehicle by the method of compression molding and chemical blowing. Impact resistance was achieved by the formation of the polymer blend, de