화학공학소재연구정보센터
Polymer, Vol.37, No.20, 4653-4656, 1996
Synthesis and Characterization of New Fluorinated Polyacrylates .2.
A series of new fluorinated acrylate polymers and copolymers (with methyl acrylate and methyl methacrylate) has been prepared starting from 1,3-bis(hexafluoro-2-hydroxy-2-propyl)benzene HFAB). 1,3-HFAB was first reacted with dimethylsulfate in the presence of aqueous sodium hydroxide to yield 1-(hexafluoro-2-hydroxy-2-propyl)-3-(hexafluoro-2-methoxy-2- propyl)benzene which was reacted with acryloyl or methacryloyl chloride to give the corresponding fluorinated acrylate or methacrylate monomers. The polymers were obtained by bulk or solution free radical polymerization techniques with alpha,alpha’-azobisisobutyronitrile as initiator. The polymers had viscosities ranging from 0.21-0.41 dl g(-1), and the polyacrylates formed brittle films by solution casting. Thermogravimetric analysis showed that they had thermal stability up to 391 degrees C in nitrogen and glass transition temperatures from 50 to 104 degrees C.