Comb-like acrylic acid poly(ethylene glycol) methyl ether ester (MPEGA)-co-acrylamide (AM) copolymer [P(MPEGA-co-AM)] as novel phase change materials (PCMs) was successfully synthesized via free-radical wate...Comb-like acrylic acid poly(ethylene glycol) methyl ether ester (MPEGA)-co-acrylamide (AM) copolymer [P(MPEGA-co-AM)] as novel phase change materials (PCMs) was successfully synthesized via free-radical water solution polymerization. The structures of P(MPEGA-co-AM) was characterized by Fourier Transform Infrared (FT-lR). The experimental results showed that P(MPEGA-co-AM) copolymer possessed high molecular weight (Mo =66 kg/mol), narrow molecular weight distribution (PDI≈1.14). The phase transition temperature of copolymer decreases to 31℃, which is very much appreciated and urgently needed for smart PCM related to human body. Moreover, P(MPEGA-co-AM) had good thermal stability even at 380℃.展开更多
文摘Comb-like acrylic acid poly(ethylene glycol) methyl ether ester (MPEGA)-co-acrylamide (AM) copolymer [P(MPEGA-co-AM)] as novel phase change materials (PCMs) was successfully synthesized via free-radical water solution polymerization. The structures of P(MPEGA-co-AM) was characterized by Fourier Transform Infrared (FT-lR). The experimental results showed that P(MPEGA-co-AM) copolymer possessed high molecular weight (Mo =66 kg/mol), narrow molecular weight distribution (PDI≈1.14). The phase transition temperature of copolymer decreases to 31℃, which is very much appreciated and urgently needed for smart PCM related to human body. Moreover, P(MPEGA-co-AM) had good thermal stability even at 380℃.