scholarly journals Polypropylene Blend with Polyphenols through Dynamic Vulcanization: Mechanical, Rheological, Crystalline, Thermal, and UV Protective Property

Polymers ◽  
2019 ◽  
Vol 11 (7) ◽  
pp. 1108 ◽  
Author(s):  
Jingjing Liao ◽  
Nicolas Brosse ◽  
Antonio Pizzi ◽  
Sandrine Hoppe ◽  
Xuedong Xi ◽  
...  
Keyword(s):  
Mechanical Property ◽  
Thermal Stability ◽  
Protective Property ◽  
Nucleating Agents ◽  
Small Particle Size ◽  
Dynamic Vulcanization ◽  
Carbonyl Index ◽  
Protection Property ◽  
Protective Performance ◽  
Thermal Stability Of

Tannin and lignin were blended with polypropylene (PP) through dynamic vulcanization technique. Their influence of mechanical property, crystallinity, thermal stability, as well as ultraviolet (UV) protection property on the PP matrix was investigated and compared with native tannin and lignin. According to our experimental results, tannin and lignin undergo dynamic vulcanization and were more compatible with the PP matrix. Besides, tannin and vulcanized tannin can perform as nucleating agents of PP because of their relatively small particle size. Moreover, vulcanized tannin/lignin have a better performance on the thermal stability of PP compared with native tannin/lignin, especially PP/vulcanized lignin blend. Furthermore, vulcanized tannin/lignin present better UV protective performance, concluded from fewer changes on surface morphology, carbonyl index, crystallinity, viscosity, and tensile property.

Thermal and viscoelastic behaviors of nanotube-reinforced polyethylene composite

2011 ◽  
Vol 1312 ◽  
Author(s):  
Ananta Raj Adhikari ◽  
Mircea Chipara ◽  
Karen Lozano
Keyword(s):  
Mechanical Property ◽  
Thermal Stability ◽  
Mechanical Behavior ◽  
Storage Modulus ◽  
Polymer Matrix ◽  
Loss Modulus ◽  
Polyethylene Composite ◽  
Viscoelastic Behaviors ◽  
Thermal Stability Of

ABSTRACTThe effect of processing (shear) time on the mechanical behavior and thermal stability of multiwalled nanotube reinforced polyethylene was investigated. It was observed that the mechanical property (storage modulus, loss modulus) of the composites is process dependant whereas the thermal stability does not. The increase in mechanical behavior is attributed to a stronger interface between the nanotube and the polymer matrix.

Effect of Fumed Silica and Zinc Borate on the Thermogravimetric Analysis Curves of ABS/Magnesium Hydroxide Composite

2014 ◽  
Vol 599-601 ◽  
pp. 183-186
Author(s):  
Zhang Ting Li ◽  
Yue Qun Lu ◽  
Li Li Fan ◽  
Pei Bang Dai ◽  
Xia Su ◽  
...  
Keyword(s):  
Mechanical Property ◽  
Thermal Stability ◽  
Flame Retardant ◽  
Fumed Silica ◽  
Acrylonitrile Butadiene Styrene ◽  
Zinc Borate ◽  
Processing Temperature ◽  
Great Decrease ◽  
Thermal Stability Of ◽  
Butadiene Styrene

For achieving sufficient flame retardancy, high magnesim hydroxide (MH) content is needed in MH flame retardant Acrylonitrile-butadiene-styrene copolymer (ABS) composites (ABS/MH), which will cause a great decrease in mechanical property and difficulty in preparing samples for measurement. We prepared ABS/MH filled high 60.0% flame retardant by compounding ABS and modified flame retardant MH, fumed silica (SiO2) and zinc borate (ZB) via TX-10 phosphate/polyacrylate latex and studied the effect of a small amount of SiO2 and ZB with MH in ABS for improving the thermal decomposition of ABS/MH. The thermal stability of the modified flame retardant could meet the processing temperature of ABS. The incorporation of ZB, SiO2 or SiO2/ZB could improve the thermal stability of ABS/MH.

Preparation and Study of PMMA/TiO2 Nanocomposites

2011 ◽  
Vol 233-235 ◽  
pp. 1830-1833 ◽  
Author(s):  
Yong Chen ◽  
Hui Xu ◽  
Tao Sun
Keyword(s):  
Mechanical Properties ◽  
Mechanical Property ◽  
Thermal Stability ◽  
In Situ Polymerization ◽  
The Matrix ◽  
Thermal Stability Of

The PMMA/TiO2 nanocomposites were prepared by in situ polymerization，the dissolution, thermal stability and the mechanical property of the nanocomposites were studied. The results indicated that nano-TiO2 may be crosslinking points in the matrix and the thermal stability of the nanocomposites became higher. As the content of nano-TiO2 increased, the mechanical properties of the nanocomposites had great changes.

Effect of artemisia argyi charcoal on the mechanical property and thermal stability of polypropylene

2020 ◽  
Vol 49 (3) ◽  
pp. 101-107
Author(s):  
Jinglin Zhang ◽  
Rong Wang ◽  
Huidi Liu ◽  
Haijie Wu ◽  
Ting Wu ◽  
...  
Keyword(s):  
Mechanical Property ◽  
Thermal Stability ◽  
Artemisia Argyi ◽  
Thermal Stability Of

scholarly journals Investigation on the Properties of PMMA/Reactive Halloysite Nanocomposites Based on Halloysite with Double Bonds

Polymers ◽  
2018 ◽  
Vol 10 (8) ◽  
pp. 919 ◽  
Author(s):  
Shiwei Chen ◽  
Zhizhou Yang ◽  
Fuzhong Wang
Keyword(s):  
Mechanical Property ◽  
Thermal Stability ◽  
Molecular Weight ◽  
Polymer Nanocomposites ◽  
Moisture Absorption ◽  
Young Modulus ◽  
Double Bonds ◽  
Scanning Calorimetry ◽  
General Applicability ◽  
Thermal Stability Of

PMMA/reactive halloysite nanocomposites were firstly prepared using reactive halloysite with double bonds. The halloysite was functionalized to improve its dispersion in the polymer matrix. The reactive halloysite could increase the molecular weight of PMMA. The molecular distribution of PMMA/reactive halloysite nanocomposite was more uniform than that of PMMA. The moisture absorption of PMMA/reactive halloysite nanocomposite increased with the addition of the reactive halloysite. Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) confirmed that the thermal stability of PMMA/reactive halloysite nanocomposites was greatly enhanced. Significant improvement in the mechanical property of PMMA nanocomposites was achieved by the addition of 3 wt % reactive halloysite. A 31.1% increase in tensile strength and a 64.2% increase in Young’ modulus of the nanocomposites with 3 wt % of the reactive halloysite were achieved. Finally, the formation mechanism of PMMA/reactive halloysites nanocomposites was proposed. This approach demonstrated the potential for general applicability to other polymer nanocomposites.

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