The stereoregularity of poly(vinyl chloride) obtained by suspension polymerization, using a temperature program in order to obtain a constant polymerization rate, has been determined by NMR spectroscopy and compared with samples of polymer made at constant temperatures of 45. 52 and 60Β°; all other p
Suspension Polymerization of Vinyl Chloride with Programmed Temperature: Morphological Characteristics and Thermal Stability of Polyvinyl Chloride)
β Scribed by Feldman, D.; Macoveanu, M.; Robila, G.
- Book ID
- 127233440
- Publisher
- Informa UK (Taylor & Francis)
- Year
- 1977
- Tongue
- English
- Weight
- 714 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0022-233X
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## SYNOPSIS Aqueous solutions of partly hydrolyzed polyvinyl acetate (polyvinyl alcohol, PVA) and hydroxypropyl methylcellulose (HPMC) are used together as dispersants in vinyl chloride suspension polymerization. Surface tension, viscosity, and cloud point ( C P ) of diluted PVA and HPMC solutions
## Abstract The effect of selected organic compounds on the variation of thermal stability of PVC during the polymerization has been studied. MΜ~__w__~, molecular weight distribution, and syndiotactic dyads content were determined in the polymers obtained. The variation of thermal stability is corr