Amorn Chaiyasat

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The influence of the methacrylic acid (MAA) content (0-10 mol %) on the incorporation of polyoxyethylene nonylphenyl ether (Emulgen 911, HLB 13.7) nonionic emulsifier inside polymer particles during emulsion copolymerization of styrene (S) and MAA was investigated. The amount of incorporated emulsifier after centrifugal washing with 2-propanol to remove(More)
The encapsulation of Rubitherm®27 (RT27), which is one of the most common commercially supplied heat storage materials, by polystyrene (PS), polydivinyl benzene (PDVB) and polymethyl methacrylate (PMMA) was carried out using conventional radical microsuspension polymerization. The products were purified to remove free RT27 and free polymer particles without(More)
In this research, the preparation of methylmethacrylate (MMA)-based copolymer microcapsules to encapsulate Rubitherm27 (RT27) as a heat storage material by microsuspension polymerization was studied. The oil phase consisting of monomer(s), benzoyl peroxide initiator and RT 27 were homogeneously mixed. It was then dispersed in aqueous phase of poly(vinyl(More)
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