26 Result(s)
within
English
Physical Chemistry
Polymer Sciences
Hongyan **g
Article
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Article
Preparation and properties of polytetrafluoroethylene-modified polyacrylate via emulsion polymerization
One method of preparation of polytetrafluoroethylene(PFTE)-modified polyacrylate emulsion has been studied. Through pre-emulsion technology, PTFE powder could be dispersed by high speed shearing with high-spee...
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Synthesis of polytetrafluoroethylene/polyacrylate core-shell nanoparticles via emulsifier-free seeded emulsion polymerization
Polytetrafluoroethylene (PTFE)/polyacrylate core-shell nanoparticles were produced via the emulsifier-free seeded emulsion polymerization of acrylate monomers with PTFE latex as seed. The monomer conversions u...
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Characterization and thermal behavior of kaolin
The decomposition behavior of kaolin samples has been carried out by simultaneous TG–DTA experiments. New layer-structure formation during the calcination process was found, and metakaolin compound was detecte...
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Effect of the addition of cornstalk to coal powder/coal tar combustion
Thermogravimetry (TG) and differential thermal analysis were used to investigate combustion behavior with the addition of cornstalk to coal powder and coal tar at three different heating rates: 5, 10, and 15 °...
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Preparation of protein microcapsules with narrow size distribution by sonochemical method
Protein microcapsules with narrow size distribution have been prepared by sonochemical method which is a simple, fast, environmental friendly and cost-effective method. The prepared microcapsules are composed ...
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Sonochemical activation calcium sulfate whisker with enhanced beta-nucleating ability for isotactic polypropylene
The crystalline morphology, structure, and the β-nucleating ability of ultrasound-activated calcium sulfate whisker (CSW)-filled isotactic polypropylene were investigated via X-ray diffraction (XRD), polar lig...
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Synthesis of stimuli-responsive poly(ethylene glycol) diacrylate/methacrylic acid-based nanogels and their application as drug delivery vehicle
A series of poly(ethylene glycol) diacrylate/methacrylic acid (PEGDA/MAA)-based nanogels showing multiresponsiveness toward temperature, salt concentration, and pH value were synthesized by aqueous precipitati...
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Studies on the co-pyrolysis characteristics of oil shale and spent oil shale
Co-pyrolysis of oil shale from different regions with spent oil shale from subcritical water extraction experiments is experimentally conducted using thermogravimetric analysis (TG). The mixture samples (oil s...
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TG–MS study on the effect of multi-walled carbon nanotubes and nano-Fe2O3 on thermo-oxidative stability of silicone rubber
In this work, an investigation was focused on how carbon nanotubes and nano-Fe2O3 improved the thermo-oxidative stability of silicone rubber (SR). A series of nanoparticles, including carbon nanotubes (CNTs), Fe2
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Sulfathiazole grafted PEG-PLL as pH-sensitive shielding system for cationic gene delivery
Polycationic gene carriers, mPEG-b-PLL-g-succinyl sulfathiazole (denoted as PPS), were synthesized and characterized as a shielding system for cationic gene delivery. DNA/PEI/PPS ternary complexes were prepared b...
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Comparison of hydrothermal, hydrotropic and organosolv pretreatment for improving the enzymatic digestibility of bamboo
Pretreatment is the crucial step to disrupt the recalcitrant structure of lignocellulosic biomass for improving the enzymatic hydrolysis efficiency. Typically, hydrothermal, organosolv and hydrotropic pretreat...
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Fabrication of halogen-free ammonium phosphate with two components via a simple method and its flame retardancy in polypropylene composites
In this paper, a halogen-free flame retardant with two different functional components was prepared via a simple method. The novelty of this work is the combination of acid source and char-forming agent in one...
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Waste cotton fiber/Bi2WO6 composite film for dye removal
In this study, the waste cotton fiber (WCF)/Bi2WO6 (BWO) composite film was prepared from BWO and WCF, which is dissolved in ionic liquid ([Amim]Cl). The samples were systematically characterized by scanning elec...
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Synthesis, microstructure transformations, and long-distance inductive effect of poly(acrylethyltrimethylammonium chloride) cotton with super-high adsorption ability for purifying dyeing wastewater
A new poly(acrylethyltrimethylammonium chloride) cotton with flexible long-chain cations was prepared by surface polymerization of acrylethyltrimethylammonium chloride and grafting cotton with unsaturated bond...
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Hierarchical polydopamine coated cellulose nanocrystal microstructures as efficient nanoadsorbents for removal of Cr(VI) ions
Cellulose nanocrystals (CNCs) have been extensively explored as adsorbents for removal of heavy metals, dyes and other pollutants, but the pristine CNCs only show very limited adsorption capacity for Cr(VI) an...
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Fabrication of Ag/AgCl/ZIF-8/TiO2 decorated cotton fabric as a highly efficient photocatalyst for degradation of organic dyes under visible light
In this work, a photocatalyst Ag/AgCl/ZIF-8/TiO2 was facilely assembled on the surface of cotton fabrics via a simple method to fabricate a visible-light photocatalyst composite. The resultant cotton fabric was c...
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Environmentally friendly nanocomposites based on cellulose nanocrystals and polydopamine for rapid removal of organic dyes in aqueous solution
It remains a great challenge to develop environmentally friendly adsorbents with large adsorption capacity, fast adsorption speed, and high regenerability from eco-friendly and cheap biomaterials. Herein, we p...
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Naturally occurring betaine grafted on cotton fabric for achieving antibacterial and anti-protein adsorption functions
In the textile industry, the use of naturally occurring antibacterial products in simple one-pot finishing processes is recommended. In this study, we present a clean technology using betaine (Bet) as the fini...
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Evalution of surface activity of hydrophobic modified nanocrystalline cellulose
Nanocrystalline cellulose (NCC) prepared via sulfuric acid hydrolysis was used as raw material. The nanocrystalline cellulose was graft-modified by long-chain fatty acids including lauric acid, palmitic acid, ...
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Durable antimicrobial cotton fabric fabricated by carboxymethyl chitosan and quaternary ammonium salts
In this article, carboxymethyl chitosan (CMC) and (3-carboxypropyl) trimethylammonium chloride (CPTC) were used as raw materials to prepare an antibacterial cotton fabric with excellent laundering durability. ...
