Preparation and Properties of Bagasses Cellulose Microcrystal Reinforced Poly(Vinyl alcohol) Composite Film

2011 ◽  
Vol 399-401 ◽  
pp. 381-384
Author(s):  
Chun Guang Li ◽  
Bin Guo Zheng ◽  
Wei Gong Peng ◽  
Wei Tian ◽  
Rui Zhang
Keyword(s):  
Thermal Properties ◽  
Composite Film ◽  
Tensile Properties ◽  
Microcrystalline Cellulose ◽  
Vinyl Alcohol ◽  
Composite Films ◽  
Poly Vinyl Alcohol ◽  
Elongation At Break ◽  
Biodegradable Composite ◽  
Cellulose Microcrystal

The biodegradable composite films were prepared from bagasse microcrystalline cellulose as filler and poly(vinyl alcohol)(PVA) as polymeric matrix. The crystallinity, the tensile properties and the thermal properties of the composites were tested. Bagasse microcrystalline cellulose was distributed in PVA films as the crystalline state. The results show that the tensile properties and thermal properties were improved with the addition of bagasse microcrystalline cellulose. When bagasse microcrystalline cellulose mass fraction was 5%, both temperature of initial decomposition and maximum weight loss rate of composite film were raised by 11.71°C and 36.86°C, and the tensile strength increased by 17.88%, and the elongation at break increased by 36.62% compared to those of pure PVA.

Preparation and Properties of Corn Stalk Cellulose Microcrystal Reinforced Poly(Vinyl Alcohol) Composite Film

2012 ◽  
Vol 487 ◽  
pp. 781-784
Author(s):  
Chun Guang Li ◽  
Chun Li Li ◽  
Jie Hu Cui ◽  
Lei Liu ◽  
Rui Zhang
Keyword(s):  
Thermal Properties ◽  
Composite Film ◽  
Tensile Properties ◽  
Microcrystalline Cellulose ◽  
Vinyl Alcohol ◽  
Composite Films ◽  
Poly Vinyl Alcohol ◽  
Corn Stalk ◽  
Biodegradable Composite ◽  
Cellulose Microcrystal

The biodegradable composite films were prepared from corn stalk microcrystalline cellulose as filler and poly(vinyl alcohol)(PVA) as polymeric matrix. The crystallinity, the tensile properties and the thermal properties of the composites were tested. Corn stalk microcrystalline cellulose was distributed in PVA films as the crystalline state. The results show that the tensile properties and thermal properties were improved with the addition of corn stalk microcrystalline cellulose. When corn stalk microcrystalline cellulose mass fraction was 10%, both temperature of initial decomposition and maximum weight loss rate of composite film were raised by 19.25°C and 17.17°C, and the tensile strength increased by 37.91%, and the elongation at break increased by 58.93% compared to those of pure PVA.

Thermal and Mechanical Properties of Corn Stalk Microcrystalline Cellulose Reinforced PLA Composites

2011 ◽  
Vol 233-235 ◽  
pp. 1726-1729
Author(s):  
Chun Guang Li ◽  
Rui Zhang ◽  
Yun Xia Li ◽  
Peng Fei Xu ◽  
Yan Qiu Wang
Keyword(s):  
Thermal Properties ◽  
Tensile Properties ◽  
Microcrystalline Cellulose ◽  
Composite Films ◽  
Decomposition Temperature ◽  
Corn Stalk ◽  
Thermal And Mechanical Properties ◽  
Initial Decomposition Temperature ◽  
Elongation At Break ◽  
Biodegradable Composite

The biodegradable composite films were prepared from corn stalk microcrystalline cellulose as filler and polylactic acid (PLA) as polymeric matrix. The crystallinity, the tensile properties and the thermal properties of the composites were tested. The results show that the tensile properties and thermal properties were improved with the addition of corn stalk microcrystalline cellulose. When corn stalk microcrystalline cellulose account for 10% of the PLA quality, the initial decomposition temperature was raised by 34.38, tensile strength increased by 58.3% and elongation at break increased by 31.1% compared to those of pure PLA.

The Effect of Corn Stalk Microcrystalline Cellulose on Thermal and Mechanical Properties of Chitosan Composites

2012 ◽  
Vol 174-177 ◽  
pp. 1038-1041 ◽  
Author(s):  
Chun Guang Li ◽  
Xiang Ping Wang ◽  
Lei Liu ◽  
Jie Hu Cui ◽  
Rui Zhang
Keyword(s):  
Thermal Properties ◽  
Tensile Properties ◽  
Microcrystalline Cellulose ◽  
Loss Rate ◽  
Composite Films ◽  
Corn Stalk ◽  
Weight Loss Rate ◽  
Elongation At Break ◽  
Biodegradable Composite ◽  
Maximum Weight Loss

The biodegradable composite films were prepared from corn stalk microcrystalline cellulose as filler and chitosan as polymeric matrix. The crystallinity, the tensile properties and the thermal properties of the composites were tested. The results show that the tensile properties and thermal properties were improved with the addition of corn stalk microcrystalline cellulose. When corn stalk microcrystalline cellulose account for 10% of the chitosan quality, the initial decomposition and maximum weight loss rate temperature was raised by 13.19°C and 38.84°C, tensile strength increased by 83.55% and elongation at break increased by 77.38% compared to those of pure chitosan

Thermal and Mechanical Properties of Bagasse Microcrystalline Cellulose Reinforced PLA Composites

2011 ◽  
Vol 284-286 ◽  
pp. 1786-1789
Author(s):  
Chun Guang Li ◽  
Wei Gong Peng ◽  
Yun Xia Li ◽  
Peng Fei Xu ◽  
Wei Tian ◽  
...  
Keyword(s):  
Thermal Properties ◽  
Tensile Properties ◽  
Microcrystalline Cellulose ◽  
Mass Fraction ◽  
Composite Films ◽  
Decomposition Temperature ◽  
Thermal And Mechanical Properties ◽  
Initial Decomposition Temperature ◽  
Elongation At Break ◽  
Biodegradable Composite

The biodegradable composite films were prepared from bagasse microcrystalline cellulose as filler and polylactic acid (PLA) as polymeric matrix. The crystallinity, the tensile properties and the thermal properties of the composites were tested. The results show that the tensile properties and thermal properties were improved with the addition of bagasse microcrystalline cellulose. When bagasse microcrystalline cellulose mass fraction was 5%, the initial decomposition temperature was raised by 30.73°C, and the tensile strength increased by 50.98%, and the elongation at break increased by 16.25% compared to those of pure PLA.

Preparation and Properties of Biocomposite Film with Gelatin and Poly(Vinyl Alcohol)

2011 ◽  
Vol 287-290 ◽  
pp. 302-305
Author(s):  
Xi Ping Gao ◽  
Ke Yong Tang ◽  
Yu Qing Zhang
Keyword(s):  
Mechanical Properties ◽  
Tensile Strength ◽  
Optical Properties ◽  
Vinyl Alcohol ◽  
Composite Films ◽  
Poly Vinyl Alcohol ◽  
Elongation At Break ◽  
Biocomposite Film

The mechanical properties, swelling, solubility, and optical properties of composite films with poly(vinyl alcohol) (PVA) and gelatin were studied. With increasing the PVA content in the composite films, the tensile strength (TS) and elongation at break (EB) of the films increase. The swelling and solubility are different with different gelatin/PVA ratios, with the lowest at 1:5.

scholarly journals Research on the Tensile Properties of Packaging Film Based on Environmental Protection PVA-KGM

2021 ◽  
Author(s):  
Ligui Xiong ◽  
Liqiong Zhang
Keyword(s):  
Tensile Strength ◽  
Environmental Protection ◽  
Tensile Properties ◽  
Vinyl Alcohol ◽  
Poly Vinyl Alcohol ◽  
Homogeneous State ◽  
Elongation At Break ◽  
Packaging Films ◽  
Polyelectrolyte Solution ◽  
Diffusion Precipitation

Konjac glucomannan (KGM) and poly (vinyl alcohol) (PVA) were mixed to form gel-like polyelectrolyte solution with glycerol and sorbitol as compound plasticizer, which was used to prepare packaging films via casting and drying. The results show that the tensile strength and elongation at break of the packaging films drop sharply when the blending temperature and blending time exceed 80 °C and 3.5 h. When the mass ratio of sorbitol and glycerol in the compound plasticizer ranges from 1:1 to 1:3, it is beneficial to improve the tensile strength of the packaging films. The microscopic reasons for the change of the tensile properties of the packaging films are mainly caused by diffusion-stop-continuing diffusion—precipitation of low-molecular electrolyte, which makes the system shift from equilibrium-homogeneous state- unbalanced state—heterogeneous state.

scholarly journals Incorporating MXene into Boron Nitride/Poly(Vinyl Alcohol) Composite Films to Enhance Thermal and Mechanical Properties

Polymers ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 379
Author(s):  
Seonmin Lee ◽  
Jooheon Kim
Keyword(s):  
Mechanical Properties ◽  
Thermal Conductivity ◽  
Boron Nitride ◽  
Composite Film ◽  
Vinyl Alcohol ◽  
Composite Films ◽  
Poly Vinyl Alcohol ◽  
Thermal And Mechanical Properties ◽  
Conduction Path ◽  
Thermally Conductive

Aggregated boron nitride (ABN) is advantageous for increasing the packing and thermal conductivity of the matrix in composite materials, but can deteriorate the mechanical properties by breaking during processing. In addition, there are few studies on the use of Ti3C2 MXene as thermally conductive fillers. Herein, the development of a novel composite film is described. It incorporates MXene and ABN into poly(vinyl alcohol) (PVA) to achieve a high thermal conductivity. Polysilazane (PSZ)-coated ABN formed a heat conduction path in the composite film, and MXene supported it to further improve the thermal conductivity. The prepared polymer composite film is shown to provide through-plane and in-plane thermal conductivities of 1.51 and 4.28 W/mK at total filler contents of 44 wt.%. The composite film is also shown to exhibit a tensile strength of 11.96 MPa, which is much greater than that without MXene. Thus, it demonstrates that incorporating MXene as a thermally conductive filler can enhance the thermal and mechanical properties of composite films.

Tensile Properties and Morphological Studies of Kenaf-Filled Linear Low Density Polyethylene/Poly(Vinyl Alcohol) (LLDPE/PVA/KNF) Composites: The Effects of KNF Loading

2016 ◽  
Vol 1133 ◽  
pp. 156-160 ◽  
Author(s):  
Ai Ling Pang ◽  
Hanafi Ismail ◽  
Azhar Abu Bakar
Keyword(s):  
Tensile Properties ◽  
Vinyl Alcohol ◽  
Tensile Modulus ◽  
Low Density Polyethylene ◽  
Poly Vinyl Alcohol ◽  
Low Density ◽  
Linear Low Density Polyethylene ◽  
Elongation At Break ◽  
Morphological Studies ◽  
Internal Mixer

Tensile properties and morphological studies of linear low density polyethylene (LLDPE)/poly (vinyl alcohol) (PVA)/kenaf (KNF) composites were investigated. The composites with different KNF loading (0, 10, 20, 30, 40 phr) were prepared using a Thermo Haake Polydrive internal mixer at 150°C and 50 rpm for 10 min. The results indicated that tensile strength and elongation at break were decreased with increasing KNF loading, whereas tensile modulus showed the opposite trend. Tensile fractured surfaces observed by scanning electron microscopy showed better interfacial adhesion between LLDPE/PVA and KNF at 10 phr KNF loading.

Preparation and Characterization of Chitosan/poly( Vinyl Alcohol) Composite Packaging Films

2011 ◽  
Vol 332-334 ◽  
pp. 1739-1742 ◽  
Author(s):  
Ling Li ◽  
Zheng Wei Jin ◽  
Jian Qing Wang
Keyword(s):  
Mechanical Properties ◽  
Tensile Strength ◽  
Water Vapor ◽  
Vinyl Alcohol ◽  
Permeability Coefficient ◽  
Composite Films ◽  
Weight Ratio ◽  
Poly Vinyl Alcohol ◽  
Elongation At Break ◽  
Packaging Films

A novel chitosan/poly(vinyl alcohol) composite packaging films were prepared by the casting method, and the effects of chitosan concentration on the structures, mechanical properties, permeability for oxygen and water vapor were discussed in this study. Mechanical properties of these films, which were evaluated by the tensile test and the barrier properties showed that the elongation at break (E) of the composite films decreased rapidly with the addition of chitosan, whereas, the tensile strength (TS) presented an almost opposite trend. Both the water vapour and oxygen transmission rate values were increased with the increasing amount of the chitosan in the composite films. Based on the obtained results, the better property of the composites films would be prepared chitosan/poly(vinyl alcohol) blends at a weight ratio of 3/5, and the tensile strength and elongation at break of the packaging films were 34.12 MPa, 40.24 % respectively. It was also observed that the water vapor permeability coefficient (Pv) and the oxygen permeability coefficient (P) of chitosan/poly(vinyl alcohol) composite packaging films prepared with weight ratio of 3/5 were 1.99×10-15 g•cm/cm2•s•Pa and 7.98×10-16 cm3•cm/cm2•s•Pa respectively. The composite films in this paper can be used in fresh-keeping or other fields as a kind of green packaging material.

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