Compatible thermoplastic starch/polyethylene blends by one-step reactive extrusion

2004 ◽  
Vol 54 (2) ◽  
pp. 279-285 ◽  
Author(s):  
Shujun Wang ◽  
Jiugao Yu ◽  
Jinglin Yu
Keyword(s):  
Reactive Extrusion ◽  
Thermoplastic Starch ◽  
Polyethylene Blends ◽  
One Step

Preparation and characterization of thermoplastic starch/PLA blends by one-step reactive extrusion

2007 ◽  
Vol 56 (11) ◽  
pp. 1440-1447 ◽  
Author(s):  
Ning Wang ◽  
Jiugao Yu ◽  
Xiaofei Ma
Keyword(s):  
Reactive Extrusion ◽  
Thermoplastic Starch ◽  
One Step

scholarly journals Starch-Based Fishing Composite Fiber and Its Degradation Behavior

2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
Wenwen Yu ◽  
Fei Yang ◽  
Lei Wang ◽  
Yongli Liu ◽  
Jiangao Shi
Keyword(s):  
Melt Spinning ◽  
Starch Content ◽  
Reactive Extrusion ◽  
Composite Fiber ◽  
Mechanical Analysis ◽  
Composite Fibers ◽  
Reactive Blending ◽  
Dynamic Mechanical ◽  
One Step ◽  
Β Relaxation

The starch-based fishing composite fibers were prepared by one-step reactive extrusion and melt spinning. The effects of starch contents on the microstructural, thermal, dynamic mechanical, and mechanical properties of starch-based composite fibers were studied. And the degradation behaviors in soil of the fibers were also investigated. The compatibility between starch and HDPE is improved significantly by grafting maleic anhydride (MA) using one-step reactive blending extrusion. As the starch content increased, the melting temperature and the crystallinity of the fibers gradually decreased due to fluffy internal structures. Dynamic mechanical analysis showed that the transition peak α in the high-temperature region was gradually weakened and narrowed with increasing starch content; moreover, a shoulder appeared on the low-temperature side of the α peak was assigned to the β-relaxation related to starch phase. In addition, the mechanical results showed the significant decrease in the breaking strength and increase in the elongation at break of the starch-based composite fibers as the starch content increased. After degradation in soil for 5 months, the surface of the composite fibers had been deteriorated, while flocculent layers were observed and a large number of microfibers appeared. And the weight loss rate of the starch-based composite fibers (5.2~34.8%) significantly increased with increasing starch content (50~90 wt%).

Reactive extrusion of polystyrene/polyethylene blends

1988 ◽  
Vol 28 (21) ◽  
pp. 1434-1442 ◽  
Author(s):  
Peter van Ballegooie ◽  
Alfred Rudin
Keyword(s):  
Reactive Extrusion ◽  
Polyethylene Blends

Study on the preparation of maleated thermoplastic starch by reactive extrusion

2014 ◽  
Vol 29 (3) ◽  
pp. 397-409 ◽  
Author(s):  
Yingfeng Zuo ◽  
Jiyou Gu ◽  
Long Yang ◽  
Zhibang Qiao ◽  
Yanhua Zhang
Keyword(s):  
Reactive Extrusion ◽  
Thermoplastic Starch

scholarly journals Green Fabrication of Thermal-stable oxidized Cellulose Nanocrystals by Evolutive Fenton Reaction and In-Situ Nanoreinforced Thermoplastic Starch

2021 ◽  
Author(s):  
Bingbing Gao ◽  
Jiahui Yang ◽  
Shuidong Zhang ◽  
Xiangyu Li
Keyword(s):  
Fenton Reaction ◽  
Primary Alcohol ◽  
Average Diameter ◽  
Reactive Extrusion ◽  
Thermoplastic Starch ◽  
Degree Of Crystallinity ◽  
Carboxyl Content ◽  
In Situ Forming ◽  
Interfacial Compatibility

Abstract High performances fiber and improved interfacial interaction can enhance the properties of polymer composites. Herein, microcrystalline cellulose (MCC) was oxidized by H2O2/CuSO4, a new Fenton process, to achieve oxidized MCC (OCNCs) with 16 ± 1% carboxyl content. Noteworthy, the thermal stability of OCNC was superior to CNC prepared by acid hydrolysis. Interestingly, the primary alcohol groups of MCC were selective oxidized and OCNCs achieved 11.0 nm, 231.6 nm and 72% of average diameter, length and degree of crystallinity, respectively. Then glycerol, starch and OCNCs were reactive extruded to fabricate TPS/OCNC bionanocomposites and their structure and performances were evaluated systematically. Strikingly, significant improvement in glass transition temperature (from 63.1 to 94.5 °C) and notch impact strength (from 1.3 to 3.9 kJ/m2) were noted for the amorphous TPS/OCNC with 1 wt% OCNC, and its tensile strength achieved 20.5 MPa, simultaneously. The improved mechanism of these performances was assigned to In-Situ forming “Carboxyl-Hydroxyl” hydrogen bonds which acted as the physically cross-linking interactions and improved the interfacial compatibility. We showcase Fenton reaction and reactive extrusion as the facile strategy to prepare sustainable and biodegradable TPS/OCNC bionanocomposites with properties more suitable for daily applications to replace petroleum-based plastic and eliminated the pollution of “microplastics.”

In situ compatibilization of maleated thermoplastic starch/polyester melt-blends by reactive extrusion

2008 ◽  
Vol 48 (9) ◽  
pp. 1747-1754 ◽  
Author(s):  
Jean-Marie Raquez ◽  
Yogaraj Nabar ◽  
Ramani Narayan ◽  
Philippe Dubois
Keyword(s):  
Reactive Extrusion ◽  
Thermoplastic Starch ◽  
In Situ Compatibilization

In Vitro Digestibility and Predicted Glycemic Index of Chemically Modified Rice Starch by One‐Step Reactive Extrusion

2019 ◽  
Vol 72 (1-2) ◽  
pp. 1900012 ◽  
Author(s):  
Canxin Cai ◽  
Yaoqi Tian ◽  
Zhiwei Yu ◽  
Chunrui Sun ◽  
Zhengyu Jin
Keyword(s):  
Glycemic Index ◽  
Reactive Extrusion ◽  
Rice Starch ◽  
In Vitro Digestibility ◽  
Chemically Modified ◽  
One Step
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