A Review on the Production Processes of Acrylonitrile-Butadiene-Styrene (ABS)Terpolymer Part III: Bulk Process

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Abstract:
Environmental and economical advantages of bulk or mass polymerization processes have made this process attractive for ABS producers. When an ABS resin with better optical properties is needed, because of small additive and no use of water and solvent, mass polymerization is the first choice. Processing problems of this method such as lower heat transfer, higher viscosity of reaction mass, and hardness of composition and morphology control in final copolymer make it to play a small role in polymerization of grafted ABS polymers. On the other hand, most of the SAN sales in the world markets are produced by this method. In this study, the bulk processes and different aspects including economical, environmental, and easiness or hardness of process control will be studied. In addition, the effects of polymerization process on the physical- mechanical properties like impact resistance and brightness will be discussed.
Language:
Persian
Published:
Iranian Chemical Engineering Journal, Volume:7 Issue: 33, 2008
Page:
3
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