4LEE SEUNG JUN, KIM SEUNG SOO, LEE YOUNG. Interpenetrating polymer network hydrogels based on poly(ethylene glycol) macromer and chitosan[J]. Carbohydrate Polymers, 2000, 41(2): 197-205.
5RAMIS X, CADENATO A, MORANCHO J M, et al. Polyurethane-unsaturated polyester interpenetrating polymer networks:thermal and dynamic mechanical thermal behaviour[Jl. Polymer, 2001, 42(1): 9469-9479.
6HOURSTON D J, SONG M, SCHAFER F U, et al. Modulated-temperature differential scanning calorimetry:15. Crosslinking in polyurethane-poly(ethyl methacrylate) interpenetrating polymer networks[J]. Polymer, 1999, 40(17): 4769-4775.