Mechanical and thermal properties of glycidyl methacrylate grafted cotton cellulose

1995 ◽  
Vol 57 (8) ◽  
pp. 983-988 ◽  
Author(s):  
S. R. Shukla ◽  
A. R. Athalye
2018 ◽  
Vol 783 ◽  
pp. 18-22
Author(s):  
He Zhi He ◽  
Bi Da Liu ◽  
Bin Xue ◽  
Zhi Wen Zhu ◽  
Feng Xue ◽  
...  

Poly(lactic acid) (PLA)/Poly(butylene-adipate-co-terephthalate) (PBAT) blends were prepared through corotating tri-screw extruder. Ethylene-methyl acrylate-glycidyl methacrylate terpolymer (EGMA) was used as a reacting compatibilizer to increase the interface bonding force. The effect of EMGA on the mechanical properties, thermal properties and chemical structure of PLA/PBAT blends were researched respectively through multi-use mechanical testing machine, differential scanning calorimeter and Fourier transform infrared spectroscopy. The results indicate that the compatibility between PLA and PBAT could be enhanced by incorporating EGMA, and all of the blends with EGMA showed increase in impact strength and elongation at break. PLA/PBAT blends showed optimum elongation at break with 6% of EGMA. DSC study also indicated the greatest crystallinity when adding 6% of EGMA. Excessive addition of EGMA instead reduced the crystallinity and elongation at break.


2019 ◽  
pp. 089270571987822
Author(s):  
Saud Aldajah ◽  
Mohammad Y Al-Haik ◽  
Waseem Siddique ◽  
Mohammad M Kabir ◽  
Yousef Haik

This study reveals the enhancement of mechanical and thermal properties of maleic anhydride-grafted polypropylene (PP- g-MA) with the addition of nanocrystalline cellulose (NCC). A nanocomposite was manufactured by blending various percentages of PP, MA, and NCC nanoparticles by means of a twin-screw extruder. The influence of varying the percentages of NCC on the mechanical and thermal behavior of the nanocomposite was studied by performing three-point bending, nanoindentation, differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and Fourier-transform infrared (FTIR) spectroscopy tests. The novelty of this study stems on the NCC nanoparticles and their ability to enhance the mechanical and thermal properties of PP. Three-point bending and nanoindentation tests revealed improvement in the mechanical properties in terms of strength, modulus, and hardness of the PP- g-MA nanocomposites as the addition of NCC increased. SEM showed homogeneity between the mixtures which proved the presence of interfacial adhesion between the PP- g-MA incorporated with NCC nanoparticles that was confirmed by the FTIR results. DSC and TGA measurements showed that the thermal stability of the nanocomposites was not compromised due to the addition of the coupling agent and reinforced nanoparticles.


2019 ◽  
Vol 45 (12) ◽  
pp. 15596-15602 ◽  
Author(s):  
Xinlei Gu ◽  
Lina Yang ◽  
Xiaorong Ma ◽  
Xuan Dai ◽  
Jia Wang ◽  
...  

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