Effect of poly (methyl methacrylate)-grafted-talc content on mechanical properties and thermal degradation of poly (vinyl chloride) composites
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Azman Hassan
Abstract
The influence of talc and poly (methyl methacrylate) (PMMA)-grafted (g)-talc on the mechanical properties of poly (vinyl chloride) (PVC) was investigated. The graft copolymerization was carried out under nitrogen atmosphere, using the free radical initiation technique. The blend formulations were first dry blended using a mixer before being milled into sheets on a two-roll mill at 165°C, and then hot pressed into composites at 190°C. The flexural modulus of both composites increased with increasing filler content from 0 to 20 part per hundred resin (phr), however the increment of grafted (57.7%) was higher than ungrafted composites (48.5%). A similar trend has also been observed for thermal stability. The impact strength of grafted was increased by 45.82%, whereas 18.96% in reduction was observed for the ungrafted composites. The decrement of flexural strength by 16.6% and 21.1% of grafted and ungrafted, respectively, has also shown the improvement in mechanical properties of grafted composites.
©2012 by Walter de Gruyter Berlin Boston
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Articles in the same Issue
- Masthead
- Masthead
- Masthead
- Original Articles
- Evaluation of factors and kinetics study of polyacrylamide redox polymerization using statistical design modeling
- Gel filtration chromatography analysis and modeling the process of pullulan depolymerization
- Polystyrene–organoclay nanocomposites produced by in situ activators regenerated by electron transfer for atom transfer radical polymerization
- Viscoelasticity in thermoforming
- Melt extrudate swell behavior of polypropylene composites filled with hollow glass beads
- Viscosity and domain morphology in binary immiscible blends of poly(trimethylene terephthalate) and polyamide6,10
- Effect of poly (methyl methacrylate)-grafted-talc content on mechanical properties and thermal degradation of poly (vinyl chloride) composites
- Fabrication and properties of poly(L-lactide)/hydroxyapatite/chitosan fiber ternary composite scaffolds for bone tissue engineering
- Green composites based on recycled polyamide-6/recycled polypropylene kenaf composites: mechanical, thermal and morphological properties
- Effect of gamma radiation and bulk monomer on jute fabrics polyethylene/polyvinyl chloride composites
- Investigation of fracture toughness parameters of epoxy nanocomposites for different crack angles
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