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Showing 1 to 12 of 156 entries
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Synthesis of Polymerizable Cyclodextrin Derivatives for Use in Adhesion-Promoting Monomer Formulations.

Journal of research of the National Institute of Standards and Technology

Bowen RL, Carey CM, Flynn KM, Guttman CM.
PMID: 27504209
J Res Natl Inst Stand Technol. 2009 Feb 01;114(1):1-9. doi: 10.6028/jres.114.001. Print 2009.

The synthesis of the cyclodextrin derivatives reported herein was assisted by extensive literature research together with structure-property relationships derived from three-dimensional molecular modeling. These studies led to the hypothesis that many of the 21 hydroxyl groups on beta-cyclodextrin molecules...

Fabrication of Robust and Antifouling Superhydrophobic Surfaces via Surface-Initiated Atom Transfer Radical Polymerization.

ACS applied materials & interfaces

Xue CH, Guo XJ, Ma JZ, Jia ST.
PMID: 25832484
ACS Appl Mater Interfaces. 2015 Apr 22;7(15):8251-9. doi: 10.1021/acsami.5b01426. Epub 2015 Apr 10.

Superhydrophobic surfaces were fabricated via surface-initiated atom transfer radical polymerization of fluorinated methacrylates on poly(ethylene terephthalate) (PET) fabrics. The hydrophobicity of the PET fabric was systematically tunable by controlling the polymerization time. The obtained superhydrophobic fabrics showed excellent chemical...

Semi-micro reversed-phase liquid chromatography for the separation of alkyl benzenes and proteins exploiting methacrylate- and polystyrene-based monolithic columns.

Journal of separation science

Masini JC.
PMID: 26960001
J Sep Sci. 2016 May;39(9):1648-55. doi: 10.1002/jssc.201600049. Epub 2016 Apr 14.

Monolithic columns were synthesized inside 1.02 mm internal diameter fused-silica lined stainless-steel tubing. Styrene and butyl, hexyl, lauryl, and glycidyl methacrylates were the functional monomers. Ethylene glycol dimethacrylate and divinylbenzene were the crosslinkers. The glycidyl methacrylate polymer was modified...

ansa-Zirconocene ester enolates: synthesis, structure, reaction with organo-lewis acids, and application to polymerization of methacrylates.

Journal of the American Chemical Society

Bolig AD, Chen EY.
PMID: 15080695
J Am Chem Soc. 2004 Apr 21;126(15):4897-906. doi: 10.1021/ja031558k.

The synthesis, structural characterization, and abstraction chemistry of ansa-zirconocene ester enolate complexes relevant to the isospecific polymerization of methacrylates are reported. Reactions of rac-(EBI)ZrMe(OTf) and rac-(EBI)Zr(OTf)(2) [EBI = C(2)H(4)(Ind)(2)] with 1 and 2 equiv of lithium isopropylisobutyrate in toluene...

Supported ATRP of fluorinated methacrylates in supercritical carbon dioxide: preparation of scCO2 soluble polymers with low catalytic residues.

Chemical communications (Cambridge, England)

Grignard B, Calberg C, Jérôme C, Wang W, Howdle S, Detrembleur C.
PMID: 19009087
Chem Commun (Camb). 2008 Nov 30;(44):5803-5. doi: 10.1039/b812297k. Epub 2008 Oct 01.

Synthesis of poly(2,2,2-trifluoroethyl methacrylate) by supported ATRP was investigated in supercritical carbon dioxide using a copper salt ligated to a polymeric ligand immobilised onto silica; after polymerisation, fluorinated polymers with well defined molecular weight and low polydispersity were obtained.

Free radical generation upon plasma treatment of cotton fibers and their initiation efficiency in surface-graft polymerization.

Journal of colloid and interface science

Andreozzi L, Castelvetro V, Ciardelli G, Corsi L, Faetti M, Fatarella E, Zulli F.
PMID: 16112228
J Colloid Interface Sci. 2005 Sep 15;289(2):455-65. doi: 10.1016/j.jcis.2005.03.058.

Low-temperature plasma was used to activate mercerized cotton fabrics, to be followed by grafting with various methacrylates. Careful analysis of the experimental electron spin resonance (ESR) lineshapes of cotton samples treated at different RF powers made it possible to...

Heterocyclic methacrylates for clinical applications-further studies of water sorption.

Journal of materials science. Materials in medicine

Sawtell RM, Downes S, Patel MP, Clarke RL, Braden M.
PMID: 15348817
J Mater Sci Mater Med. 1997 Nov;8(11):667-74. doi: 10.1023/a:1018531722265.

The room temperature polymerizing system comprising poly(ethyl methacrylate)-tetra hydrofurfuryl methacrylate (PEM/THFMA) has potential in orthopaedic and dental applications, and earlier work has shown it to have unusual water absorption characteristics. This aspect has been studied in further detail, by...

Reactivity of methacrylates in insertion polymerization.

Journal of the American Chemical Society

Rünzi T, Guironnet D, Göttker-Schnetmann I, Mecking S.
PMID: 21043463
J Am Chem Soc. 2010 Nov 24;132(46):16623-30. doi: 10.1021/ja107538r. Epub 2010 Nov 02.

Polymerization of ethylene by complexes [{(P^O)PdMe(L)}] (P^O = κ(2)-(P,O)-2-(2-MeOC(6)H(4))(2)PC(6)H(4)SO(3))) affords homopolyethylene free of any methyl methacrylate (MMA)-derived units, even in the presence of substantial concentrations of MMA. In stoichiometric studies, reactive {(P^O)Pd(Me)L} fragments generated by halide abstraction from [({(P^O)Pd(Me)Cl}μ-Na)(2)]...

Comparison of annular diffusion denuder and high volume air samplers for measuring per- and polyfluoroalkyl substances in the atmosphere.

Analytical chemistry

Ahrens L, Shoeib M, Harner T, Lane DA, Guo R, Reiner EJ.
PMID: 22066738
Anal Chem. 2011 Dec 15;83(24):9622-8. doi: 10.1021/ac202414w. Epub 2011 Nov 28.

Overestimation of the particle phase concentration collected on glass-fiber filters (GFFs) has been reported for perfluoroalkyl carboxylic acids (PFCAs) using conventional high volume air samplers. In this study, per- and polyfluoroalkyl substances (PFASs) were determined in the gas and...

Modeling spin-forbidden monomer self-initiation reactions in spontaneous free-radical polymerization of acrylates and methacrylates.

The journal of physical chemistry. A

Liu S, Srinivasan S, Tao J, Grady MC, Soroush M, Rappe AM.
PMID: 25188223
J Phys Chem A. 2014 Oct 09;118(40):9310-8. doi: 10.1021/jp503794j. Epub 2014 Sep 24.

A spin-forbidden reaction is a reaction in which the total electronic spin-state changes. The standard transition-state theory that assumes a reaction occurs on a single potential energy surface with spin-conservation cannot be applied to a spin-forbidden reaction directly. In...

Concentration effects in the base-catalyzed hydrolysis of oligo(ethylene glycol)- and amine-containing methacrylic monomers.

Designed monomers and polymers

Kazantsev OA, Orekhov DV, Sivokhin AP, Kamorin DM, Savinova MV.
PMID: 29491787
Des Monomers Polym. 2016 Sep 14;20(1):136-143. doi: 10.1080/15685551.2016.1231034. eCollection 2017.

Concentration effects in the base-catalyzed hydrolysis of water-soluble methacrylates (3-(N,N-dimethylaminoethyl) methacrylate (DMAEMA), 2-hydroxyethyl methacrylate (HEMA) and oligo(ethylene glycol) methacrylates (OEGMAs)) have been studied. These monomers are rapidly hydrolyzed in the presence of bases at the room temperature in dilute...

Silicon Oxycarbide/Carbon Nanohybrids with Tiny Silicon Oxycarbide Particles Embedded in Free Carbon Matrix Based on Photoactive Dental Methacrylates.

ACS applied materials & interfaces

Wang M, Xia Y, Wang X, Xiao Y, Liu R, Wu Q, Qiu B, Metwalli E, Xia S, Yao Y, Chen G, Liu Y, Liu Z, Meng JQ, Yang Z, Sun LD, Yan CH, Müller-Buschbaum P, Pan J, Cheng YJ.
PMID: 27186647
ACS Appl Mater Interfaces. 2016 Jun 08;8(22):13982-92. doi: 10.1021/acsami.6b05032. Epub 2016 May 26.

A new facile scalable method has been developed to synthesize silicon oxycarbide (SiOC)/carbon nanohybrids using difunctional dental methacrylate monomers as solvent and carbon source and the silane coupling agent as the precursor for SiOC. The content (from 100% to...

Showing 1 to 12 of 156 entries