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Formation of nanophases in epoxy thermosets containing an organic-inorganic macrocyclic molecular brush with poly(epsilon-caprolactone)-block-polystyrene side chains
Zhu, Liliang; Zhang, Chongyin; Han, Jin; Zheng, Sixun; Li, Xiuhong
2012
Source PublicationSOFT MATTER
ISSN1744-683X
Volume8Issue:26Pages:7062
AbstractIn this contribution, we report the synthesis of organic-inorganic macrocyclic molecular brushes with a 24-membered macrocyclic oligomeric silsesquioxane (MOSS) backbone and with poly(epsilon-caprolactone) (PCL) (or poly(epsilon-caprolactone)-block-polystyrene (PCL-b-PS) diblock copolymer) side chains. The macrocyclic molecular brushes were incorporated into epoxy to access the nanostructured thermosets. The nanostructures in the thermosets were investigated by means of atomic force microscopy (AFM), small angle X-ray scattering (SAXS) and dynamic mechanical thermal analysis (DMTA). It is judged that the formation of the nanophases in the thermosets containing the macrocyclic molecular brush with PCL side chains (MOSS[CL](12)) follows the self-assembly mechanism in terms of the immiscibility of the MOSS backbone with epoxy after and before the curing reaction. It was found that the spherical, vesicular and lamellar nanophases were formed in the epoxy thermosets containing the macrocyclic molecular brush with PCL-b-PS side chains (MOSS[PCL-b-PS](12)). In contrast to the thermosets containing MOSS[PCL](12) the formation of the nanophases in the thermosets containing MOSS[PCL-b-PS](12) was ascribed to the self-assembly-directed reaction-induced microphase separation mechanism.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000305257800023
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/12902
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Zhu, Liliang,Zhang, Chongyin,Han, Jin,et al. Formation of nanophases in epoxy thermosets containing an organic-inorganic macrocyclic molecular brush with poly(epsilon-caprolactone)-block-polystyrene side chains[J]. SOFT MATTER,2012,8(26):7062.
APA Zhu, Liliang,Zhang, Chongyin,Han, Jin,Zheng, Sixun,&Li, Xiuhong.(2012).Formation of nanophases in epoxy thermosets containing an organic-inorganic macrocyclic molecular brush with poly(epsilon-caprolactone)-block-polystyrene side chains.SOFT MATTER,8(26),7062.
MLA Zhu, Liliang,et al."Formation of nanophases in epoxy thermosets containing an organic-inorganic macrocyclic molecular brush with poly(epsilon-caprolactone)-block-polystyrene side chains".SOFT MATTER 8.26(2012):7062.
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