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Young?Fil?Kim Chang?Nam?Choi Young?Dae?Kim Ki?Young?Lee Moo?Sung?LeeEmail author 《Fibers and Polymers》2004,5(4):270-274
Blends of poly(l-lactide) (PLA) and low density polyethylene (LDPE) were prepared by melt mixing in order to improve the brittleness of PLA.
A reactive compatibilizer with glycidyl methacrylate (GMA), PE-GMA, was required as a compatibilizer due to the immiscibility
between PLA and LDPE. It contributes to reduce the domain size of dispersed phase and enhance the tensile properties of PLA/LDPE
blends, especially for PLA matrix blends. A reaction product between PLA and PE-GMA, which was formed during melt-mixing and
considered to act as a reactive compatibilizer, was characterized using1H-NMR spectroscopy. 相似文献
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A new compatibilizer, P3HT-g-PMMA with controlled graft density and degree of polymerization of PMMA graft, has been synthesized for preparation of poly(styrene-co-acrylonitrile) (SAN)/multi-walled carbon nanotube (MWCNT) composites with superior mechanical properties. Fluorescence emission
and Raman spectra reveal that the π-π interaction between polythiophene backbone of the compatibilizer and the surface of
MWCNT is more effective as the graft density of PMMA in the compatibilizer is decreased while the degree of polymerization
of PMMA is increased. Since FE-SEM observation also shows that the use of compatibilizer with higher degree of polymerization
of PMMA graft yields well-dispersed MWCNTs in composites, it is concluded that the compatibilizer with lower graft density
and higher degree of polymerization of PMMA graft is the most effective for reinforcing SAN with MWCNT. 相似文献
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