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논문 기본 정보

자료유형
학술저널
저자정보
Liu Yuan (Guiyang University) Zhao Jun (Shanghai Space Propulsion Technology Research Institute) Liu Ai-Qin (Shanghai Space Propulsion Technology Research Institute) Liu Xiao-Qing (Chinese Academy of Sciences) Luo Jun (Guiyang University)
저널정보
한국고분자학회 폴리머 폴리머 제44권 제4호
발행연도
2020.7
수록면
415 - 424 (10page)
DOI
10.7317/pk.2020.44.4.415

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초록· 키워드

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In order to obtain thermosetting epoxy resin, it is the prerequisite condition that the epoxy precursor must contain at least two epoxy groups. Thus, bridge group is needed to link the epoxy groups, and naturally, the chemical structure of the bridge group may also influence the thermomechanical performances of the cured epoxy resin. However, literature about the effects of bridge group on properties of cured epoxy is seldom published. To fill the gap, three model epoxy monomers containing different bridge groups have been synthesized from 4,4"-dihydroxydiphenyl, 1,1-bis(4- hydroxyphenyl)cyclohexane and bisphenol A in this work. After chemical structure confirmation, all of the monomers are cured by methylhexahydrophthalic anhydride (HMMPA), and the properties of the obtained cured network are evaluated by differential scanning calorimetry (DSC), dynamic thermomechanical analysis (DMA), tensile test and scanning electron microscope (SEM). The results show that bulky bridge group can effectively increase the glass transition temperature, enhance the tensile strength, and enlarge elongation at break of the cured epoxy resin.

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Abstract
Introduction
Experimental
Results and Discussion
Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2020-578-000892187