The influence of multiwalled carbon nanotubes-NiCoAl layered double hydroxide hybrids on fire safety performance of poly(ethylene-co-vinyl acetate) composites

2017 ◽  
Vol 39 (S2) ◽  
pp. E835-E841 ◽  
Author(s):  
Jingyu Si ◽  
Peng Ping ◽  
Hongyan Xie ◽  
Wei Yang ◽  
Hongdian Lu
Keyword(s):  
Carbon Nanotubes ◽  
Multiwalled Carbon Nanotubes ◽  
Vinyl Acetate ◽  
Layered Double Hydroxide ◽  
Fire Safety ◽  
Safety Performance ◽  
Multiwalled Carbon ◽  
Poly Ethylene ◽  
Double Hydroxide

Improved fracture toughness of immiscible polypropylene/ethylene-co-vinyl acetate blends with multiwalled carbon nanotubes

Polymer ◽  
2009 ◽  
Vol 50 (14) ◽  
pp. 3072-3078 ◽  
Author(s):  
Li Liu ◽  
Yong Wang ◽  
Yanli Li ◽  
Jun Wu ◽  
Zuowan Zhou ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Fracture Toughness ◽  
Multiwalled Carbon Nanotubes ◽  
Vinyl Acetate ◽  
Multiwalled Carbon

Surface Modification of Multiwalled Carbon Nanotubes with Engineered Self-Assembled RAFT Diblock Coatings

2014 ◽  
Vol 67 (1) ◽  
pp. 151 ◽  
Author(s):  
Yue Liu ◽  
Xiaojuan Hao ◽  
Lynne J. Waddington ◽  
Jieshan Qiu ◽  
Timothy C. Hughes
Keyword(s):  
Carbon Nanotubes ◽  
Multiwalled Carbon Nanotubes ◽  
Electrostatic Interactions ◽  
Diblock Copolymers ◽  
Raft Polymerization ◽  
Dispersion Stability ◽  
Multiwalled Carbon ◽  
Molecular Weights ◽  
Poly Ethylene ◽  
Positively Charged

A facile method to modify the surface of multiwalled carbon nanotubes (MWCNTs) via electrostatic interactions between polyelectrolytes and oxidized MWCNTs was developed. Diblock copolymers containing poly[2-(methacryloyloxy)ethyltrimethylammonium chloride] (PMETAC), a positively charged block, and poly(ethylene glycol) methacrylate (PEGMA), a neutral block, with tailored molecular weights and low polydispersities were synthesized by reversible addition–fragmentation chain transfer (RAFT) polymerization. Acid treated-MWCNTs were coated with the RAFT diblock copolymers to improve their dispersibility in aqueous phosphate buffered saline (PBS) solution. The short positively charged PMETAC block was designed to attach the block copolymers to the surface of MWCNTs via electrostatic interactions, whereas the PEGMA block improved dispersibility of the MWCNTs in aqueous solutions. Extensive screening of the diblock copolymers with different degrees of polymerization (DP) showed that the dispersion stability of the polymer-coated MWCNTs in PBS was greatly improved with increasing chain length of the PEGMA block. In particular, the MWCNTs coated with a diblock copolymer containing PEGMA (DP = 118, the longest block investigated) showed superior dispersion stability in both water and PBS solution.

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