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Showing 1-28 of 28 results for "06958" within Papers
Christian N Kotanen et al.
Biomedical microdevices, 14(3), 549-558 (2012-03-20)
Control of the in vitro spatiotemporal availability of calcium ions is one means by which the microenvironments of hematopoietic stem cells grown in culture may be reproduced. The effects of cross-linking density on the diffusivity of calcium ions through cell
Sébastien-Jun Mougnier et al.
Macromolecular rapid communications, 33(8), 703-709 (2012-02-23)
The post-functionalization of poly(3-hexylthiophene) (P3HT) via various synthetic routes is reported. Well-defined and monofunctionalized ω-thiol-terminated P3HT, ω-carboxylic acid-terminated P3HT, ω-acrylate-terminated P3HT, and ω-methacrylate-terminated P3HT are obtained in high yields through a straightforward procedure. From those, different novel P3HT-based graft copolymers
Shao-Hsien Huang et al.
Molecules (Basel, Switzerland), 15(1), 315-330 (2010-01-30)
A water-soluble and air-stable Pd(NH3)2Cl2/cationic 2,2'-bipyridyl system was found to be a highly-efficient and reusable catalyst for the coupling of aryl iodides and alkenes in neat water using Bu(3)N as a base. The reaction was conducted at 140 degrees C
Shaoning Li et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 66(12), 2647-2652 (2012-10-31)
In order to improve oil sorption performances, polypropylene (PP) fiber was modified through graft polymerization with butyl acrylate (BA) initiated by ultraviolet (UV) radiation in isopropanol/water mixture solution. Fourier transform infrared (FT-IR) spectra, scanning electron microscopy (SEM) and specific surface
A radio-fluorogenic organic gel for real-time, 3D radiation dosimetry.
John M Warman et al.
Advanced materials (Deerfield Beach, Fla.), 23(42), 4953-4955 (2011-10-13)
Thomas Junkers et al.
Macromolecular rapid communications, 33(11), 984-990 (2012-05-05)
A novel dithioester control agent [dimethyltetrathioterephtalate (DMTTT)] is presented for the thioketone-mediated radical polymerization (TKMP) of n-butyl acrylate. The rate of polymerization is significantly decreased in the presence of DMTTT indicating formation of dormant radical species. During polymerization, molar masses
Sabrina Hocine et al.
Langmuir : the ACS journal of surfaces and colloids, 29(5), 1356-1369 (2013-01-09)
Thermoresponsive behavior of different kinds of polymersomes was studied using small angle neutron scattering (SANS), transmission electron microscopy (TEM), and proton nuclear magnetic resonance ((1)H NMR). The polymersomes were made of block copolymers containing a 2000 Da polyethylene glycol (PEG)
Yuri Reyes et al.
Macromolecular rapid communications, 32(1), 63-67 (2011-03-25)
Acrylic monomers undergo chain transfer to polymer during polymerization leading to branched and even gelled polymers. It has been experimentally demonstrated that the extent of branching is higher for conventional free radical polymerization than for controlled radical polymerization (ATRP, RAFT
Ravindra Bhardwaj et al.
The West Virginia medical journal, 108(6), 28-32 (2013-03-12)
Butyl Acrylate (BA) (2-propionic acid; CH2 = CHCOOC4H9) is a colorless liquid commonly used in impregnation agents and adhesives. Dermal contact with BA has previously been reported to cause moderate skin irritation with skin sensitizing potential in humans. Health effects
Zhi-qing Fan et al.
Huan jing ke xue= Huanjing kexue, 32(5), 1382-1387 (2011-07-26)
The butyl-acrylate-production wastewater was treated by a three-phase biological fluidized bed reactor. The influences of acrylic acid concentrations, p-toluenesulfonic acid concentrations, volumic load and hydraulic retention time on pollutants removal efficiencies were investigated. It was indicated that the reactor was
M A Caporizzo et al.
Langmuir : the ACS journal of surfaces and colloids, 31(10), 3027-3038 (2015-02-18)
This study systematically investigates how polymer composition changes nanoparticle (NP) grafting and diffusion in solvated random copolymer thin films. By thermal annealing from 135 to 200 °C, thin films with a range of hydrophobicity are generated by varying acrylic acid
Libo Zhou et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 878(15-16), 1025-1030 (2010-04-07)
In this study, thermo-sensitive N-alkyl substituted polyacrylamide polymer P(NNB) was synthesized by using N-hydroxymethyl acrylamide(NHAM), N-isopropyl acrylamide (NIPA) and butyl acrylate (BA) as monomers, and its low critical solution temperature (LCST) was controlled to be 28 degrees C. The recovery
Kiyoaki Ishimoto et al.
Biomacromolecules, 13(11), 3757-3768 (2012-09-19)
For developing broader application of biobased polymers, graft copolymers and comb polymers having poly(lactic acid) (PLA) side chains have been synthesized by using a macromonomer technique. PLA macromonomers (MMm) having a methacryloyl polymerizable group with different PLA chain length with
Ci Song et al.
Carbohydrate polymers, 91(1), 217-223 (2012-10-10)
This article reports the preparation and evaluation of polymeric microspheres as a new class of oil-absorbent (POAMs). Based on our earlier oil-absorbents, the present microspheres contained β-cyclodextrin (β-CD) moieties as both cross-linking agent and porogen agent, and showed exciting high
Jérôme Garnier et al.
Macromolecular rapid communications, 33(16), 1388-1392 (2012-05-19)
Hybrid latexes based on cerium oxide nanoparticles are synthesized via an emulsifier-free process of emulsion polymerization employing amphiphatic macro-RAFT agents. Poly(butyl acrylate-co-acrylic acid) random oligomers of various compositions and chain lengths are first obtained by RAFT copolymerization in the presence
Bin Wu et al.
Huan jing ke xue= Huanjing kexue, 32(12), 3647-3652 (2012-04-04)
A new quality and quantity analyzing method for waste gas from chemical industry, especially for acrylic acid ester using air-sampling combined with GC/MS and honeywell air purifier system was firstly advanced in this paper. According to the experiments, the maximum
Jianqi Zhang et al.
Langmuir : the ACS journal of surfaces and colloids, 27(19), 12197-12200 (2011-08-31)
The influence of solvent annealing on microscopic deformational behavior of a styrene/n-butyl acrylate copolymer latex film subjected to uniaxial tensile deformation was studied by small-angle X-ray scattering. It was demonstrated that the microscopic deformation mechanism of the latex films transformed
Gillian S Leslie Singka et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 76(2), 275-281 (2010-07-06)
This work examined the effect of sodium carbonate (Na(2)CO(3)) on the topical delivery of methotrexate (MTX) from a loaded nanogel in vitro and the modulation of prostaglandin E(2) (PGE(2)) production in skin ex vivo. A nanogel based on co-polymerised N-isopropylacrylamide
Alexander Diethert et al.
ACS applied materials & interfaces, 4(8), 3951-3958 (2012-07-24)
Ultrathin layers of the statistical copolymer P(nBA-stat-MA) with a majority of n-butyl acrylate (nBA) and a minority of methyl acrylate (MA) are characterized with respect to the film morphology and the mechanical response in a probe tack test. The probed
Robert A Cockburn et al.
Biomacromolecules, 12(6), 2319-2326 (2011-04-27)
The propagation kinetics and copolymerization behavior of the biorenewable monomer γ-methyl-α-methylene-γ-butyrolactone (MeMBL) are studied using the pulsed laser polymerization (PLP)/size exclusion chromatography (SEC) technique. The propagation rate coefficient for MeMBL is 15% higher than that of its structural analogue, methyl
n-Butyl acrylate.
IARC monographs on the evaluation of carcinogenic risks to humans, 71 Pt 2, 359-366 (1999-09-07)
M Obiols-Rabasa et al.
Langmuir : the ACS journal of surfaces and colloids, 26(11), 7717-7724 (2010-02-04)
The seeded semicontinuous emulsion copolymerization of methyl methacrylate (MMA) and butyl acrylate (BuA) stabilized with a graft polymeric surfactant based on inulin, INUTEC SP1, as well as its mixture with sodium lauryl sulfate (SLS) is described. The mixture of SLS
Shuzhao Li et al.
Biomacromolecules, 12(9), 3305-3312 (2011-07-30)
Immobilizing poly(butyl acrylate) (PBA) on cellulose microfibrils (CMFs) by atom transfer radical polymerization (ATRP) of butyl acrylate (BA) on the surface of 2-bromoisobutyryl-functionalized CMF generated highly hydrophobic microfibrils (CMF-PBA) with a hard core and a soft-shell structure. TGA and static
Zhaoping Song et al.
Carbohydrate polymers, 92(1), 928-933 (2012-12-12)
Hydrophobic modification of cellulose fibers was conducted via plasma-induced polymerization in an attempt to graft the hydrophobic polymer chains on paper surface, this increasing the hydrophobicity of paper. Two hydrophobic monomers, butyl acrylate (BA) and 2-ethylhexyl acrylate (2-EHA), were grafted
Paula C Pinheiro et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 101, 36-39 (2012-10-25)
Enhancement of Raman signals of the nucleobase adenine on an Ag based composite was studied using the 1064 nm laser line. The composite comprise emulsions of Ag nanoparticles encapsulated in poly(t-butylacrylate) (PtBA) beads that act as substrate for the Surface-Enhanced
Jianli Zou et al.
Chemical communications (Cambridge, England), 47(6), 1803-1805 (2010-12-07)
Palladium nano-crystals increase in size during the initial recycling in Heck cross coupling reactions. We demonstrate that oxygen adsorbed on the surface of palladium nano-crystals plays a pivotal role in driving the ripening. This in turn is associated with a
Li Wang et al.
Organic letters, 13(23), 6137-6139 (2011-11-08)
Pd(II)-catalyzed aromatic C-H bond activation using urea as a directing group was achieved in a p-TsOH/AcOH medium under mild reaction conditions. The direct olefination products of various urea derivatives were produced from aryl urea derivatives and butyl acrylate in moderate
Stanisław Popiel et al.
Analytica chimica acta, 837, 52-63 (2014-07-09)
Novel solid-phase microextraction (SPME) fibres containing methyl, ethyl, butyl acrylate and methacrylate were first prepared by a sol-gel technique and investigated for determination of selected organoarsenic compounds (lewisite, methyldichloroarsine, phenyldichloroarsine, diphenylchloroarsine and triphenylarsine) from water samples. The influence of sorption
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