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Poomalai P, Varghese TO. Thermomechanical Behaviour of Poly(methyl methacrylate)/Copoly(ether-ester) Blends. ACTA ACUST UNITED AC 2011. [DOI: 10.5402/2011/921293] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Binary blends of poly(methyl methacrylate) (PMMA)/copoly(ether-ester) (COPE) elastomer were prepared under four different compositions by melt mixing technique using twin-screw extruder. The effects of COPE content on thermal and dynamic mechanical properties were investigated using various techniques such as thermogravimetric analysis (TGA), differential scanning calorimetric analysis (DSC), and dynamic mechanical analysis (DMA) for all PMMA/COPE blends. The properties of all the blends were evaluated in comparison with neat PMMA and COPE. All the blends show higher thermal stability than individual component. DSC analysis results reveal that all the blends show two glass transition temperature (Tg) values and the Tg value of PMMA has been shifted to lower side due to the presence of COPE content. The two step reduction in storage modulus corresponding to their Tg value reveal that the blends are immiscible in nature.
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Affiliation(s)
- P. Poomalai
- R&D Department, Central Institute of Plastics Engineering and Technology, City Centre, P.O. Debhog, Haldia, District Purba, Medinipur 721 657, India
| | - T. O. Varghese
- Plastic Processing Department, Central Institute of Plastics Engineering and Technology, IDA, Phase-II, Cherlapally, Hyderabad 500 051, India
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Physico-mechanical, thermal and morphological behaviour of polyurethane/poly(methyl methacrylate) semi-interpenetrating polymer networks. Polym Degrad Stab 2006. [DOI: 10.1016/j.polymdegradstab.2005.07.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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