Synthesis and properties of the polycaprolactone/methyl nano-SiO2 situ composites

doi:10.19491/j.issn.1001-9278.2013.08.010

China Plastics ›› 2013, Vol. 27 ›› Issue (08): 50-55.DOI: 10.19491/j.issn.1001-9278.2013.08.010

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Synthesis and properties of the polycaprolactone/methyl nano-SiO₂ situ composites

LI Dan，CHANG Haibo，MA Conghe，YOU Qianqian，ZHANG Puyu^*

Institute of Fine Chemistry Engineering, College of Chemistry and Chemical Engineering,Henan University, Kaifeng 75004，China

Received:2013-03-25 Revised:2013-06-20 Online:2013-08-26 Published:2020-11-16

Abstract

Abstract: With the surface repaired methyl nano-SiO₂ (DNS-3) as initiator, polycaprolactone / DNS-3 (PCL/DNS-3) composite material were prepared by in situ polymerization. Thermogravimetry (T_G) curves and Fourier transformed infrared spectrums (FT-IR) revealed that there had strong chemical bonds between PCL matrix and the DNS-3. In the same reaction conditions, with increasing DNS-3 content, the molecular weight (M_w) of nanocomposite material was reduced, but its thermal stability and crystallization rate were improved. The crystallization temperature of PCL/DNS-3 composite material was increased compared to pure PCL.

Key words: polycaprolactone, nano-silica;composite, crystallization;morphology

CLC Number:

TQ323.4

LI Dan, CHANG Haibo, MA Conghe, YOU Qianqian, ZHANG Puyu. Synthesis and properties of the polycaprolactone/methyl nano-SiO₂ situ composites[J]. China Plastics, 2013, 27(08): 50-55.

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Synthesis and properties of the polycaprolactone/methyl nano-SiO₂ situ composites

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