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[37] Zhaobin Qiu, Motonori Komura, Takayuki Ikehara, Toshio Nishi, Polymer 44, 7781 (2003) [38] E. S. Yoo, S. S. Im, Journal of Polymer Science : Part B : Polymer Physics 37, 1357 (1999) 25
SECTION II. Preparation and Characterization of PBS/Carbon Nanofiber Nanocomposite Foams 1. Introduction Polymeric foams are the lightweight materials containing gaseous voids by means of physical and chemical blowing agents, which have been mainly used in the insulation, absorbents, cushion, packaging and weight-bearing structures. [1] For the polymer nanocomposite foams, the integration of the small amounts of nano-sized fillers into the virgin polymer may provide enhanced thermal stability and mechanical properties compared to those of the neat polymer foam, and can effectively induce the nucleation of a large amount of bubbles according to the geometry of the added-nanoparticles. [2] In order to reduce the environmental problems caused by the non- degradable plastics, the development of the biodegradable polymers with the properties enough to compare with those of the commodity plastics greatly have been required and steadily studied by extensive research groups. Poly(butylene succinate) (PBS), one of the most applied biodegradable plastics to the scientific and industrial fields, is a 26
Page 1 and 2: 저작자표시-비영리-변경금
Page 3 and 4: 工學碩士學位論文 Pol
Page 5 and 6: Abstract Recently, due to the envir
Page 7 and 8: 국 문 요 약 최근 비분해성
Page 9 and 10: CONTENTS Abstract ……………
Page 11 and 12: SECTION I. LIST OF TABLES Table 1 M
Page 13 and 14: SECTION II. Figure 1 TGA thermogram
Page 15 and 16: matrix. However, CNTs are strongly
Page 17 and 18: efficiency of different particles,
Page 19 and 20: 2. 1. Materials 2. Experimental The
Page 21 and 22: epresent the mass fraction of MWNTs
Page 23 and 24: The foam density was measured by a
Page 25 and 26: compared with Figure 2c. Therefore,
Page 27 and 28: decreased slightly but increased gr
Page 29 and 30: 3. 5. Foam behaviors and cell geome
Page 31 and 32: Figure 9 illustrates the variation
Page 33 and 34: mixing, and solution blending. Furt
Page 35 and 36: [11] Kannan Balasubramanian, Marko
Page 37: [28] Lakshmi S. Nair, Cato T. Laure
Page 41 and 42: chemical blowing agent, and to char
Page 43 and 44: vacuo at 60 ºC for 6 h to remove a
Page 45 and 46: were at least performed for each na
Page 47 and 48: nanocomposites enhanced greatly wit
Page 49 and 50: phr CBA loading was observed via op
Page 51 and 52: 3 the density of neat PBS (1.268 g/
Page 53 and 54: 5. References [1] D. Klempner and K
Page 55 and 56: SECTION I. Processing of Poly(butyl
Page 57 and 58: Table 2 Temperature and CBA content
Page 59 and 60: Figure 2 SEM images of the PBS nano
Page 61 and 62: Figure 4 DSC traces of the PBS nano
Page 63 and 64: Figure 6 Optical micrographs of PBS
Page 65 and 66: Figure 8 Blowing ratio of PBS nanoc
Page 67 and 68: Figure 2 The effect of CNFs content
Page 69 and 70: Figure 4 The effect of blowing time
Page 71: Figure 6 Cell size distribution of

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