Man TIAN1,2, Jiang-An YOU1,2, Zhi-Wei JIANG1(), Tao TANG1,2()
1.State Key Laboratory of Polymer Physics and Chemistry，Changchun Institute of Applied Chemistry，Chinese Academy of Sciences，Changchun 130022，China 2.School of Applied Chemistry and Engineering，University of Science and Technology of China，Hefei 230026，China
Fig.1 The relationship of （A） tanδ and （B） η* obtained by DMA test of SAN， SAN/CMs-7/3 blend and SAN/CMs-7/3 blend with various mass fraction of MWCNTs （8%， 12%， 15% and 18%） with the testing temperature； （C） The relationship between expansion ratio and foaming temperature of SAN foam， SAN/CMs-7/3 composite foam and SAN/CMs-7/3 nanocomposite foams with different MWCNTs mass fraction （sc-CO2 pressure： 10 MPa）； （D） The relationship between cell diameter and foaming temperature of SAN foam， SAN/PUA-7/3 composite foam and SAN/PUA-7/3 nanocomposite foams with different MWCNTs mass fraction
Fig.1 The relationship of （A） tanδ and （B） η* obtained by DMA test of SAN， SAN/CMs-7/3 blend and SAN/CMs-7/3 blend with various mass fraction of MWCNTs （8%， 12%， 15% and 18%） with the testing temperature； （C） The relationship between expansion ratio and foaming temperature of SAN foam， SAN/CMs-7/3 composite foam and SAN/CMs-7/3 nanocomposite foams with different MWCNTs mass fraction （sc-CO2 pressure： 10 MPa）； （D） The relationship between cell diameter and foaming temperature of SAN foam， SAN/PUA-7/3 composite foam and SAN/PUA-7/3 nanocomposite foams with different MWCNTs mass fraction
Fig.2 SEM micrographs of SAN/PUA-7/3 nanocomposite foams prepared at 90 ℃ with various mass fractions of MWCNTs： （A） 8%， （B） 12%， （C） 15% and （D） 18%
Fig.2 SEM micrographs of SAN/PUA-7/3 nanocomposite foams prepared at 90 ℃ with various mass fractions of MWCNTs： （A） 8%， （B） 12%， （C） 15% and （D） 18%
Fig.3 The relationship between the maximum expansion ratio of SAN/CMs-7/3 nanocomposite foam with the mass fraction of MWCNTs at 10 MPa of sc-CO2
Fig.3 The relationship between the maximum expansion ratio of SAN/CMs-7/3 nanocomposite foam with the mass fraction of MWCNTs at 10 MPa of sc-CO2
Fig.4 The relationship between （A） tanδ and test temperature and the relationship between （B） storage modulus and test temperature of SAN/PUA nanocomposite foams with different MWCNTs mass fractions （obtained by DMA test）
Fig.4 The relationship between （A） tanδ and test temperature and the relationship between （B） storage modulus and test temperature of SAN/PUA nanocomposite foams with different MWCNTs mass fractions （obtained by DMA test）
Fig.5 SEM micrographs of brittle fracture surface of SAN/CMs-7/3 blends with MWCNTs mass fractions of （A） 8%， （B） 12%， （C） 15% and （D） 18%
Fig.5 SEM micrographs of brittle fracture surface of SAN/CMs-7/3 blends with MWCNTs mass fractions of （A） 8%， （B） 12%， （C） 15% and （D） 18%
Fig.6 （A） The relationship between the electrical conductivity of SAN/CMs-7/3 blend and the mass fraction of MWCNTs； （B） The relationship between the electrical conductivity and relative density of SAN/PUA-7/3 nanocomposite foams with different MWCNTs mass fractions
Fig.6 （A） The relationship between the electrical conductivity of SAN/CMs-7/3 blend and the mass fraction of MWCNTs； （B） The relationship between the electrical conductivity and relative density of SAN/PUA-7/3 nanocomposite foams with different MWCNTs mass fractions
Fig.7 The relationship between （A） SET， （B） SEA and （C） SER with test frequency of SAN/PUA nanocomposite foams with different MWCNTs mass fractions measured in the X-band （8.2~12.4 GHz）
Fig.7 The relationship between （A） SET， （B） SEA and （C） SER with test frequency of SAN/PUA nanocomposite foams with different MWCNTs mass fractions measured in the X-band （8.2~12.4 GHz）
Fig.8 （A） The average SEA and average SER of SAN/PUA nanocomposite foams with different MWCNTs mass fraction measured in the X-band （8.2~12.4 GHz）； （B） The A， R and T of SAN/PUA nanocomposite foams with different MWCNTs mass fraction measured at 12.4 GHz
Fig.8 （A） The average SEA and average SER of SAN/PUA nanocomposite foams with different MWCNTs mass fraction measured in the X-band （8.2~12.4 GHz）； （B） The A， R and T of SAN/PUA nanocomposite foams with different MWCNTs mass fraction measured at 12.4 GHz
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