Patent ID: 9150769
Filing Date: 2015-10-06
Classification: C08F,C09K

Abstract:
1. A method of synthesizing phase change material microcapsules using polymethyl methacrylate (PMMA) pre-polymer, the method comprising: pre-polymerizing a polymer monomer and a first initiator of benzoyl peroxide (BPO) in an organic-solvent free water bath so as to form PMMA prepolymers; preparing a stabilizer aqueous solution; adding a phase change material to the stabilizer aqueous solution for liquefaction; and adding a second initiator, a cross-linking agent and the polymethyl methacrylate prepolymer are added to the emulsion containing the phase change material, and the emulsion is further stirred for 3 minutes by a homogenizing mixer for micro-emulsion and followed by subject to polymerization in a water bath to produce phase change material microcapsules, wherein the cross-linking agent is selected from one of 1,4-butanediol diacrylate, triallyl isocyanurate, butyl acrylate, 2-hydroxyethyl acrylate, hydroxygropvl acrylate, 2-hydroxyethyl methacrylate, and hydrolyzed golymaleic anhydride.