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1993•Journal of Polymer Science Part A Polymer ChemistryRequires access

Microstructural analysis of methacrylonitrile‐styrene copolymers to obtain reactivity ratios

David J. T. Hill, Limin Dong, James H. O’Donnell

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Abstract

Abstract The copolymerization of methacrylonitrile (M) and Styrene (S) at 60°C in bulk has been studied at low conversion by the use of 1H‐ and 13C‐NMR to examine the copolymer microstructure for copolymer composition and sequence distribution. The penultimate model was found to provide the best description of the polymerization with rMM = 0.220, rSM = 0.519, rSS = 0.241, rMS = 0.570. These results have been compared with those found for the corresponding acrylonitrile‐styrene copolymerization. © 1993 John Wiley & Sons, Inc.

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What this paper is about

Abstract The copolymerization of methacrylonitrile (M) and Styrene (S) at 60°C in bulk has been studied at low conversion by the use of 1H‐ and 13C‐NMR to examine the copolymer microstructure for copolymer composition and sequence distribution. The penultimate model was found to provide the best description of the polymerization with rMM = 0.220, rSM = 0.519, rSS = 0.241, rMS = 0.570. These results have been compared with those found for the corresponding acrylonitrile‐styrene copolymerization. © 1993 John Wiley & Sons, Inc.

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Available abstract

Abstract The copolymerization of methacrylonitrile (M) and Styrene (S) at 60°C in bulk has been studied at low conversion by the use of 1H‐ and 13C‐NMR to examine the copolymer microstructure for copolymer composition and sequence distribution. The penultimate model was found to provide the best description of the polymerization with rMM = 0.220, rSM = 0.519, rSS = 0.241, rMS = 0.570. These results have been compared with those found for the corresponding acrylonitrile‐styrene copolymerization. © 1993 John Wiley & Sons, Inc.

Key concepts: Methacrylonitrile, Copolymer, Styrene, Acrylonitrile, Reactivity (psychology), Polymer chemistry, Polymerization, Materials science

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