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Preparation and decoloration property of polystyrene-grafted palygorskite nanoparticles
Affiliation:1. Environmental Science and Engineering Strand, Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia;2. Faculty of Applied Sciences, Universiti Teknologi MARA Negeri Sembilan, Kuala Pilah Campus,72000 Kuala Pilah, Negeri Sembilan, Malaysia;3. Department of Soil and Water, University of Adelaide, Glen Osmond, SA 5064, Australia;4. Cooperative Research Centre for Contamination Assessment and Remediation of the Environment, ATC Building, Callaghan, NSW 2308, Australia;5. Global Centre for Environmental Remediation, Faculty of Science and Information Technology, University of Newcastle, Callaghan, NSW 2308, Australia;1. Laboratory of Chemistry of Materials (LCM), Faculty of Applied and Exact Sciences, University of Oran 1, BP 1524 Oran El M''Naouer, Oran, Algeria;2. Department of Pharmacy, Faculty of Medicine, University of Oran 1, BP 1510 Oran El M''Naouer, Oran, Algeria;3. Instituto Andaluz de Ciencias de la Tierra (CSIC—University of Granada), Avda. de las Palmeras, 4, 18100 Armilla, Granada, Spain;1. School of Materials Engineering, Yancheng Institute of Technology, Yancheng, 224051, China;2. Key Laboratory of High Performance Polymer Materials and Technology (Nanjing University), Ministry of Education, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China;3. College of Material Science and Engineering, South China University of Technology, Guangzhou 510641, China
Abstract:The polymerization of styrene on inorganic palygorskite nanorods was carried out by reverse atom transfer radical polymerization (RATRP) in a completely controlled manner to form structurally well-defined PS-grafted hybrid nanocomposite. Well-defined PS chains were grown from the nanoparticle surfaces to yield individual particles composed of a palygorskite core and a well-defined outer PS layer. It has been found that the dispersibility of palygorskite particles in organic solvents is significantly improved by grafting polymers onto the surface of palygorskite particles. So the holding time of PS-palygorskite is prolonged in organic solvents. Active point of adsorption in palygorskite surface is adequately utilized. The polymer-grafted palygorskite nanoparticles possess excellent decoloration capacity in organic solvents.
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