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Extraction of Cellulose Nanofiber from Used Paper Pulp
关键字：cellulose, nanofiber, waste paper, chemical extraction, mechanical extraction
It has been shown that nano-scale cellulose fibers have much greater potential to improve mechanical and physical properties in polymer composites than micro-scale cellulose fiberscl,2]. The objective of this study was&n...
http://www.polymer.cn/research/dis_info17201 |
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From physical properties to chemical degradation: the effect of amphiphilic diblock copolymer on the degradability of PLGA electrospun scaffolds
In the biomedical application, safety and effectiveness of the scaffolds are the basic requirements. As forbiodegradable implants, it is required that the scaffolds can provide sufficient strength to support regeneratingtissue cells and the...
http://www.polymer.cn/research/dis_info16998 |
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Coarsening dynamics of assembly of lamellar phase diblock copolymers on periodic two-dimensional chemical patterned substrates
Directed blockpolymer assembly has been viewed as a promising strategy to overcome the resolutionlimitation of conventional lithography [1-4]. Understanding of coarsening dynamics involved in this process is ofgreat importance and helpful for&nb...
http://www.polymer.cn/research/dis_info16893 |
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Controlling blend film morphology by varying chemical structure of donoracceptor alternative copolymers for photovoltaic applications
We present here our recently progress on understanding the structure-property relationship of conjugated polymers.
http://www.polymer.cn/research/dis_info16852 |
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Chemical Immobilization of TiO2 Nanoparticles in PVA Matrix for Multi-cycle Photodegradation of Methyl Orange
Titanium dioxide (TiO2) is well known as a kind of semiconductor photocatalyst used in air purification and wastewater treatment, owing to its high photocatalytic activity, low cost, nontoxicity and excellent stability.
http://www.polymer.cn/research/dis_info16093 |
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Fabrication and characterization of carbon nanotubes grown on carbon nanofibers
关键字：carbon nanofibers; carbon nanotubes; chemical vapour deposition; electrical properties
Carbon-carbon composites were fabricated by growing carbon nanotubes (CNTs) on carbon nanofibers (CNFs) via chemical vapor deposition. The polyacrylonitrile (PAN)-based CNFs with diameters of 328±72 nm were prepared by stabilization and carboni...
http://www.polymer.cn/research/dis_info14043 |
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Investigation on Degumming of Ramie with Compound Enzymes
关键字：ramie, bio-chemical degumming, compound enzymes, degumming
The enzymatic degumming of ramie is a kind of environmental-friendly method. Compared with the chemical degumming, it shows the advantages of improving the quality of degummed ramie, lowering the pollution of the environment and r...
http://www.polymer.cn/research/dis_info11688 |
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Chemical modification, electrospinning and adsorption behaviors of poly(vinyl chloride)
关键字：Poly(vinyl chloride), N,N-diethyldithiocarbamate, substitution, grafting copolymerization，electrospinning,
The chemical substitution, electrospinning, irradiated graft copolymerization of poly(vinyl chloride) (PVC)and the cationic dye adsorption behavior of grafted PVC were studied. IR spectroscopy, thermogravimetry, size exclusion chromatography, scanning electron...
http://www.polymer.cn/research/dis_info11450 |
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Changes in the physical and chemical properties of bisphenol a poly(carbonate) during multiple processing cycles
Bisphenol A poly(carbonate) (PC) pellets used for production of 5 gallon drink water bottles were reprocessed in a twin-screw extruder for three processing cycles which simulated to those of PC bottle processing conditions. The re...
http://www.polymer.cn/research/dis_info11415 |
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Modification of PAN Carbon Fiber Precursor Using Potassium Permanganate
关键字：PAN precursor,potassium permanganate, chemical modification,oxidation, cyclization
PAN carbon fiber precursors were modified for different periods of time using potassium permanganate solution with the concentration of 5% by weight.
http://www.polymer.cn/research/dis_info11263 |
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