2Rahman M, Brazel C S. The plasticizer market an assessment oftraditional plasticizers and research trends to meet new ch<illenges[ J ] .Prog. Polym. Sci. , 2004, 29: 1223-1246.
3Soong Y S, Cohen R E, Boyce M C. Polyhedral oligomeric(silsesquioxane as a novel plasticizer for poly ( vinyl chloride ) [ J ].Polymer, 2007, 48: 1410-1418.
4Lindstrom A, Hakkarainen M. Environmentally friendly plasticizersfor poly ( vinyl chloride ) improved mechanical properties andcompatibility by using branched poly (butylene adipate) as a polymericplasticizer[j] . J . Appl. Polym. Sci. , 2006, 100: 2180-2188.
5Liang H Y, Hao Y P, Liu S R, et al. Thermal, rheological. andmechanical properties of polylactide/poly(diethylene glycol adipate)[J]. Polym. Bull. , 2013, 70: 3487-3500.
6Agrawal A, Saran A D, Rath S S, et al. Constrained nonlinearoptimization for solubility parameters of poly (lactic acid) and poly(glycolic acid)-validation and comparison [ J ]. Polymer, 2UU4, 45:8603-8612.
7Tabb D L, Koenig J L. Fourier transform infrared study ofplasticized and unplasticized poly ( vinyl chloride ) [ J ].Macromolecules, 1975,8: 929-934.
8Li X H, Xiao Y, Wang B,et al. Effects of poiy( 1, 2-propyleneglycol adipate) and nanoCaCQj on DOP migration and mechanicalproperties of flexible PVC[j]. J. Appl. Polym. Sci. , 2012, 124:1737-1743.
