• The peptoid polymers with high molecular weights and large-scale yields can be obtained by ring-opening polymerization technique. (databasefootball.com)
  • For example, the aqueous dispersion RAFT polymerization allows one to obtain a colloidal solution only for a small number of water-soluble monomers which form insoluble polymers during polymerization [ 4 ]. (springer.com)
  • Usually conducting polymers like polyaniline, polypyrrole, poly-3, 4-ethylenedioxythiophene (PEDOT) are oxidative polymerized by corresponding monomers using (NH4)2S2O8 (APS) as the oxidant. (auburn.edu)
  • The (co)polymers can self-assemble into vesicles, tubes, or microspheres in dilute aqueous solution, depending on their molecular structure and the nature of interactions. (uni-freiburg.de)
  • Motivated by previous experimental achievements in non-aqueous solvents, and recent theoretical predictions, we hypothesize that it is possible to construct clusters that resemble linear or branched polymers, in aqueous solution. (lu.se)
  • Whereas theoretical predictions of macromolec- use of nonadsorbing polymers, like polyethylene glycol, for ular crowding effects abound, there are remarkably few protein separation (Albertsson, 1986) and crystallization experimental studies of this universal phenomenon. (lu.se)
  • A biologically friendly approach is proposed for the synthesis of biocompatible poly(glycerol monomethacrylate) (PGMA) in phosphate-buffer saline, through aqueous Activators ReGenerated by Electron Transfer for Atom Transfer Radical Polymerisation (ARGET ATRP) at ambient temperature, under organic-solvent free conditions which are well tolerated by active proteins. (polimi.it)
  • Controlled polymerisation of glycerol monomethacrylate (GMA) was successfully obtained, and this versatile technique was extended to the synthesis of active protein-PGMA conjugates, as PEG alternative for half-life extension of biotherapeutics. (polimi.it)
  • Noncovalent protection for direct synthesis of α−amino−ω−hydroxylα−amino−ω−hydroxyl poly(ethylene oxide). (ki.si)
  • Aqueous Cu(0)-mediated living radical polymerization (SET-LRP) was utilized for the rapid synthesis of N-substituted lactamide-type homo and random acrylic copolymers under mild conditions. (ibecbarcelona.eu)
  • Polymerization-induced self-assembly (PISA) is a powerful platform technology for the rational and efficient synthesis of a wide range of block copolymer nano-objects (e.g. spheres, worms or vesicles) in various media. (diamond.ac.uk)
  • 17] Shen H.R., El-Aasser M.S, Vanderhoff J.W. Synthesis of special morphology particles with seeded polymerization[J]. Polym Sci:Part A, Polym.Chem.1990.78(1).629-653. (clausiuspress.com)
  • This article considers the preparation and physicochemical characterization of a novel colloidal formulation of the β-lactam antibiotic cephalexin, loaded in poly(ethyl cyanoacrylate) colloidal nanospheres. (degruyter.com)
  • Ring-opening polymerization (ROP) is the most common method used to synthesize poly(trimethylene carbonate) and their copolymers, since this synthetic route can allow mild reaction condition. (wikipedia.org)
  • Main examples of these copolymers are poly(L-lactide-co-trimethylene carbonate), poly(glycolide-co-trimethylene carbonate) and poly(caprolactone-co-trimethylene carbonate). (wikipedia.org)
  • The aim of this work is to research the interactions of water-soluble nitrogen-containing copolymers with essential amino acids in aqueous media. (tubitak.gov.tr)
  • For this, poly( N -vinylformamide- co-N -vinylimidazole) and poly( N -vinylcaprolactam- co-N -vinylimidazole) random copolymers were synthesized by free radical polymerization. (tubitak.gov.tr)
  • The amphiphilic and branched nature of these grafted block copolymers enabled the formation of unimolecular micelles (UMs) that were well dispersible in aqueous media. (rsc.org)
  • Amphiphilic anionic and cationic graft copolymers possessing poly(2-hydroxyethyl methacrylate) (PHEMA) backbone and poly(methacrylic acid), poly(2-methoxyethyl acrylate-co-methacrylic acid), and poly(2-methoxyethyl acrylate-co-2-(dimethylamino)ethyl methacrylate) grafts are constructed by merging reversible addition-fragmentation chain transfer (RAFT) polymerization, copper-mediated atom transfer radical polymerization (ATRP), and a selective deprotection reaction. (dtu.dk)
  • The graft copolymers showed effective surface adsorption and lubrication for self-mated poly(dimethylsiloxane) (PDMS) contacts in physiological salt concentration. (dtu.dk)
  • Amphiphilic block copolymers of poly(ethylene oxide) and poly(perfluorohexylethyl methacrylate) on water surface and their penetration into lipid monolayer. (uni-halle.de)
  • One-pot free-radical polymerization of N -acryloyl glycinamide in the presence of hyaluronic acid as transfer-termination agent led to new copolymers in high yields without any chemical activation of hyaluronic acid before. (ibmmpolymerbiomaterials.com)
  • All the copolymers formed thermoresponsive hydrogels of the Upper Critical Solution Temperature-type in aqueous media. (ibmmpolymerbiomaterials.com)
  • Comparison with mixtures of hyaluronic acid-poly( N -acryloyl glycinamide) failed in showing the expected formation of graft copolymers conclusively because poly( N- acryloyl glycinamide) homopolymers are also thermoresponsive. (ibmmpolymerbiomaterials.com)
  • At present, one of the simplest and most affordable methods for preparing such a colloidal solution is heterophase-controlled polymerization occurring by the reversible addition−fragmentation chain transfer ( RAFT ) mechanism, which makes it possible to simultaneously control the molecular characteristics of the synthesized block copolymer and tune the size and morphology of the resulting micelles in the nanoscale. (springer.com)
  • However, this heterophase method has a limitation in cases where it is impossible to implement conditions for RAFT polymerization in a given medium. (springer.com)
  • In particular, in dispersion RAFT polymerization it is often difficult to choose a selective solvent in which all reagents are readily soluble but which is selective with respect to the blocks of the synthesized block copolymer. (springer.com)
  • Initially, multifunctional ATRP macroinitiators based on PHEMA backbone are prepared by RAFT polymerization. (dtu.dk)
  • Polymersomes constituting poly(N-2-hydroxypropylmethacrylamide)-b-poly(N-(2-(methylthio)ethyl)acrylamide) (PHPMAm-b-PMTEAM) are prepared by aqueous dispersion RAFT-mediated polymerization-induced self-assembly (PISA). (u-pec.fr)
  • In situ small-angle X-ray scattering (SAXS) studies of RAFT dispersion polymerizations have previously provided detailed structural information during self-assembly (see M. J. Derry et al. (diamond.ac.uk)
  • Emulsion technology is also used to create polymeric dispersions wherein a monomer is first emulsified in an aqueous surfactant solution and then polymerized. (justia.com)
  • Aqueous polyurethane dispersions with C=C double bonds were synthesized by using Isophorone diisocyanate, Polyether diol 218, polyether-tribasic alcohol 310 and dimethylolbutanoic acid without any organic solvents. (clausiuspress.com)
  • 8] Hegedus, C.R. Kloiber,K.A. Acrylic-polyurethane aqueous dispersions:structure and properties in industrial coatings[J]. 21st Waterborne, High-Solids and Powder Coatings Symposium, New Orleans, 9-11 February, 1994. (clausiuspress.com)
  • In opposition to five-membered cyclic carbonate, the six-membered ones like trimethylene carbonate are thermodynamically less stable than its polymer, undergoing the ring-opening polymerization with retention of CO 2 {\displaystyle _{2}} in the polymer structure, and generation an aliphatic polycarbonate. (wikipedia.org)
  • Cotton fabric was grafted with a poly (acrylamide-co-itaconic acid) co-polymer via ceric ammonium nitrate (CAN) induced graft co-polymerization in an aqueous medium. (cotton.org)
  • The phase transition temperature (clouding points) is highly dependently on the degree of polymerization (DP), the side-chain length, the polymer concentration. (databasefootball.com)
  • Specifically, conjugated polymer poly(fluorene- alt -(4,7-bis(hexylthien)-2,1,3-benzothiadiazole)) (PFTB) was utilized as a fluorescent backbone and a macroinitiator for grafting with polycaprolactone (PCL) and poly[oligo(ethylene glycol) methyl ether methacrylate] (POEGMA) blocks via ring opening polymerization (ROP) and atom transfer radical polymerization (ATRP) successively, resulting in highly fluorescent polymer bottlebrushes, PFTB- g -(PCL- b -POEGMA). (rsc.org)
  • aqueous electrolyte solutions, it is found a novel, facile, one-step and seed-assisted oxidative polymerization reactions can help produce one dimensional conducting polymer with decoration of transitional metal nanoparticles. (auburn.edu)
  • 11] C.S. Chen, G.W. Poehlein.Polymerization in nonuniform latex particles distribution of free radicals [J]. Journal of Polymer Science, Part A: Polymer Chemistry. (clausiuspress.com)
  • Polymerization condition & development of a core-shell morphology in PMMA/PSt latex particles[J]. Appliled Polymer: Sci. (clausiuspress.com)
  • 16] D.J.Williams.Morphology of the monomer polymer particle in styrene emulsion Polymerization[J]. Journal of Polymer Science, 1970, 8(10) :2657. (clausiuspress.com)
  • In the present communication we introduce a new platform technology for the reversible folding of single polymer chains in aqueous environment on the basis of cyclodextrin (CD) host-guest chemistry and controlled radical polymerization protocols. (umn.edu)
  • Experiments: In this work, we specifically synthesize poly (ethylene glycol) (PEG) chains, grafted onto poly(styrene) (PS) particles in aqueous solution, and adjust the conditions so that strongly anisotropic and isolated polymer-like clusters are formed. (lu.se)
  • For the first time, poly(N-isopropylacrylamide) (PNIPAM) was grown by activator regenerated by electron transfer-atom transfer radical polymerization (ARGET-ATRP) from ZnO quantum dots (QDs) by surface-initiated polymerization. (univ-lorraine.fr)
  • The combination of aqueous ARGET ATRP techniques and a grafting-from strategy may pave the way for a new generation of nanomedicines based on protein-PGMA conjugates. (polimi.it)
  • The cationic corona composed of poly(2-(dimethylamino)ethyl methacrylate) was atom transfer radical-polymerized on the surface of the AuNPs. (bvsalud.org)
  • Poly(acrylamide), poly(acrylic acid), poly(oligo(ethylene glycol) methyl ether methacrylate), poly(methyl methacrylate), and poly(dimethyl itaconate) were chemically attached to the BSKP fiber surface, as confirmed by Fourier transform infrared spectroscopy. (umaine.edu)
  • 7] G.Chen and K.Chen.Hybridization of aqueous-based polymerthane with glycidyl methacrylate copolymer[J]. Appl. (clausiuspress.com)
  • The drug was loaded by means of drug incorporation in the interior of poly(ethyl cyanoacrylate) particles during the polymerization of the respective monomer in aqueous medium. (degruyter.com)
  • It was found that the drug loading efficiency depends on the initial concentration of monomer and cephalexin in the polymerization medium. (degruyter.com)
  • The appreciable solubility of PVC in 2-ethyl hexylacrylate (30%) at temperatures around 130 degrees C makes grafting of the monomer possible from labile chlorines of PVC in aqueous suspensions without the use of additional solvent. (itu.edu.tr)
  • Interestingly, poly(THFLA) showed a degree of polymerization and concentration dependent LCST behavior, which can be fine-tuned (T-cp = 12-62 degrees C) through random copolymerization with the more hydrophilic DMLA monomer. (ibecbarcelona.eu)
  • Aqueous solution behavior of thermoresponsive polyzwitterionic microgels based on poly(N-vinylca. (rwth-aachen.de)
  • Thermoresponsive biohybrid glycopolymers based on poly(2-oxazoline)s can be readily synthesized by combination of living cationic ring-opening polymerization of 2-alkyl-2-oxazolines (alkyl = butenyl and isopropyl, etc.) and thiol-ene "click" photoaddition of thio-sugar derivatives. (uni-freiburg.de)
  • Copper-mediated atom transfer radical polymerization (ATRP) is presented as a versatile tool for the graft copolymerization of 2-ethyl hexylacrylate with poly(vinyl chloride) (PVC) in an aqueous suspension. (itu.edu.tr)
  • Herein, we describe the controlled grafting of cationic poly(2-dimethylaminoethylmethacrylate) brushes on CNTs via surface-initiated atom transfer radical polymerization integrated with mussel-inspired polydopamine chemistry. (bvsalud.org)
  • In agreement with the radical transfer mechanism, the molar mass of these released poly( N- acryloyl glycinamide) grafts depended on the feed composition. (ibmmpolymerbiomaterials.com)
  • misc{unal_48577, author = {Gil Chaves Iván Dario}, title = {Modelamiento, simulación, Optimización dinámica y control de un proceso semibatch de polimerización en emulsión}, year = {2014}, abstract = {Abstract. (unal.edu.co)
  • TY - GEN T1 - Modelamiento, simulación, Optimización dinámica y control de un proceso semibatch de polimerización en emulsión AU - Gil Chaves, Iván Dario Y1 - 2014 UR - https://repositorio.unal.edu.co/handle/unal/48577 AB - Abstract. (unal.edu.co)
  • In the case of aqueous micellar solutions, when a hydrophobic or less water soluble material such as an oil is emulsified in the micellar solution, an emulsion results. (justia.com)
  • Such tests can involve intranasal instillation of aqueous suspensions of nanomaterials in dispersion media that limit particle agglomeration. (cdc.gov)
  • This membrane, with a nano-structured separation layer, has proven effective in protein ultrafiltration and pervaporation separation of organic-organic and organic-aqueous mixtures. (ucla.edu)
  • Unlike the previously reported pegylated polypeptoids, the obtained polypeptoids show completely reversible thermal-responsive behaviors in aqueous solution after 8 heating and cooling cycles. (databasefootball.com)
  • The low-cost natural nanotextured fossil diatomaceous earth (DE), an abundant source of mesoporous silica, and polyvinylpyrrolidone-co-Styrene (PVP-co-S), a commercial absorbent comprising polymeric particles, were easily coated with a PDA layer by oxidative polymerization of dopamine at mild basic aqueous conditions. (nih.gov)
  • The pre-disproportionation of Cu(I) Br in the presence of tris[2-(dimethylamino)ethyl]amine (Me6TREN) in water generated nascent Cu(0) and Cu(II) complexes that facilitated the fast polymerization of N-tetrahydrofurfuryl lactamide and N,N-dimethyl lactamide acrylate monomers (THFLA and DMLA, respectively) up to near-quantitative conversion with excellent control over molecular weight (5000 (ibecbarcelona.eu)
  • Further described are low surface energy substrates, such as microporous polytetrafluoroethylene, coated with such an aqueous solution so as to impart a change in at least one surface characteristic compared to the surface characteristics of the uncoated low surface energy substrate. (justia.com)
  • The homophase polymerization of acrylic acid is carried out in a solution of poly(butyl acrylate) trithiocarbonate (PBATC) in a mixed solvent 2-propanol-water. (springer.com)
  • However, either the use of these solvents is not economical or they do not fully meet requirements of the polymerization preparation of the colloidal solution. (springer.com)
  • The problem can be solved by obtaining a colloidal solution of a block copolymer in a medium in which a homophase solution is formed at elevated temperatures of polymerization. (springer.com)
  • Subsequently, re‐interpenetration of poly(hydroxymethyl‐3,4‐ethylenedioxythiophene) by anodic polymerization in CaCl2 aqueous solution is achieved. (upc.edu)
  • Conjugated PGMA at relatively high degree of polymerisation (DP ≤ 250) preserved the enzymatic activity of lysozyme (up to 80%) and its stability (80% of retained activity) in serum and in trypsin solution. (polimi.it)
  • Micronsized spheres built of nanofibers (Figure 1) are produced through a crystallization process in hot aqueous solution. (uni-freiburg.de)
  • The homophase polymerization of AA in the three-component system at 70°C, in which the mixed solvent with respect to PBATC is similar in thermodynamic quality to the θ-solvent at 22°, yields solutions of the narrowly dispersed block copolymer butyl acrylate-acrylic acid. (springer.com)
  • A novel kind of a biopolymer-based superabsorbent composite, salep-g-poly(sodium acrylate)/alumina, was prepared from salep, sodium acrylate, and alumina by aqueous polymerization, using N,N'-methylenebisacrylamide (MBA) as a cross-linker and ammonium persulfate (APS) as an initiator. (sharif.edu)
  • A simple, fully aqueous grafting-through polymerization approach was employed to apply various polymeric surface modifications to bleached softwood kraft pulp (BSKP). (umaine.edu)
  • The reaction is modeled as a two-phase system composed of an aqueous phase and a particle phase. (unal.edu.co)
  • An industrial scale reactor (11 m3 of capacity) is simulated where a semi-batch emulsion polymerization reaction of vinyl acetate is performed. (unal.edu.co)
  • The average degree of polymerization could be adjusted by a variation of the particle concentration. (lu.se)
  • Melt polymerization of acrylamide initiated by nucleophiles: a route toward highly branched and amorphous polyamide 3. (ki.si)
  • The influence of the nature of the silanized layer and the polymerization time on the properties of the final nanomaterials were investigated. (univ-lorraine.fr)
  • In this work, modeling, simulation, dynamic optimization and nonlinear control of an industrial emulsion polymerization process to produce poly-vinyl acetate (PVAc) are proposed. (unal.edu.co)
  • Initially, PEDOT:polystyrene sulfonate and alginate aqueous solutions are mixed in two different proportions (1:1 and 1:3) and ionically crosslinked with CaCl2. (upc.edu)
  • Self assembly of fatty acids in aqueous solutions. (cea.fr)
  • In free-state, the swelling conditions and hence the related data are not real, because in all their applications the swelling particles of superabsorbent must absorb aqueous solutions while. (sharif.edu)
  • Two types of alkylthiol-terminated poly(acrylic acid) (PAAs, varying in length) are synthesized and used to functionalize gold nanoparticles (AuNPs) to mimic similar assembly effects of single-stranded DNA-capped AuNPs using synthetic polyelectrolytes. (osti.gov)
  • Enzymatic degradation yielded poly( N- acryloyl glycinamide) with sugar residues end groups as shown by NMR. (ibmmpolymerbiomaterials.com)
  • Polymerization-induced self-assembly (PISA) is widely recognized to be a powerful technique for the preparation of diblock copolymer nano-objects in various solvents. (diamond.ac.uk)
  • It is also used as a fumigant, a polymerization initiator and as an intermediate for the preparation of several flame retardants. (cdc.gov)
  • Poly(L-lactide-co-trimethylene carbonate) has been proposed for application as small diameter vascular grafts. (wikipedia.org)
  • The higher the proportion of hyaluronic acid in the feed, the lower the molar mass of poly( N- acryloyl glycinamide) grafts was. (ibmmpolymerbiomaterials.com)
  • Wetting" results when the contact angle, θ, between the aqueous latex and the solid substrate is less than about 90 degrees. (justia.com)
  • Molecular modeling and experimental investigations are geared towards understanding the structure of silylated and graft-polymerized surfaces (e.g., topology, conformation and distribution) and devising physical and chemical methods (e.g., graft polymerization and self-assembly) to control surface properties. (ucla.edu)
  • Here, a multifunctional conductive hydrogel containing poly(3,4‐ethylenedioxythiophene) (PEDOT) and alginate is fabricated, to be used as electrodes in supercapacitors, by applying water‐mediated self‐assembly and polymerization processes at room temperature. (upc.edu)
  • J Polym Sci Poly Chem 2019 , 57 (18), 1956-1963. (jia-lab.com)
  • In typical pharmaceutical microemulsion applications, the hydrophobic material is a water insoluble organic material that is emulsified by surfactants to form a discontinuous phase in a continuous aqueous phase (see, for example, U.S. Pat. (justia.com)
  • Poly(divinylbenzene) was synthesized from the polymerization of the continuous, but minority, phase of a simple high internal phase Pickering emulsion. (mdpi.com)
  • 15] Hirose M, Kadowaki F, Zhou J H. The structure and properties of core-shell type acrylic - polyurethane hybrid aqueous emulsions [J]. Progress in Organic Coatings, 1997, (31) :157-169. (clausiuspress.com)
  • Conventional aqueous micellar delivery systems have been used predominantly in the pharmaceutical industry to provide both controlled delivery of drugs and controlled release of pharmaceutical agents. (justia.com)
  • Poly(trimethylene carbonate) (PTMC) is an aliphatic polycarbonate synthesized from the 6-membered cyclic carbonate, trimethylene carbonate (1,3-propylene carbonate or 1,3-Dioxan-2-one). (wikipedia.org)