• Poly(L-lysine) (pLL) grafted with range of hydrophilic polymer blocks, including poly(ethylene glycol) (pEG), dextran and poly[N-(2-hydroxypropyl)methacrylamide] (pHPMA), shows efficient binding to DNA and mediates particle self-assembly and inhibition of ethidium bromide/DNA fluorescence. (ox.ac.uk)
  • Polymer ChoAcry/ITO was added glycol is one of the material polymer liquid crystal modifications. (uns.ac.id)
  • This research want to study effect Polyethylene Glycol (PEG) in polymer choAcry/ITO for stability structure of blending choAcry/ITO. (uns.ac.id)
  • Polyethilene glycol spreading into polymer cholesteryl acrylate. (uns.ac.id)
  • Raman spectra of polymer electrolytes based on poly(ethylene glycol) dimethyl ether (PEGdME) with LiClO(4), PEGdME/LiClO(4), and the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate, PEGdME/[bmim]PF(6), are compared. (unifesp.br)
  • Fluorescent pyrene probe method was employed to measure critical micelle concentration (CMC) of oligocarbonate-fluorene end-functionalized poly(ethylene glycol) (FmE445Fm) triblock copolymers in water. (nist.gov)
  • A method based on solid--phase extraction with a molecularly imprinted polymer (MIP) has been developed to determine five probable human carcinogenic polycyclic aromatic hydrocarbons (PAHs) in ambient air dust by gas chromatography-mass spectrometry (GC-MS). Molecularly imprinted poly(vinylpyridine-co-ethylene glycol dimethacrylate) was chosen as solid-phase extraction (SPE) material for PAHs. (who.int)
  • 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)
  • After immediate spin, the tubes are incubated at 37°C. To promote the detection of warm reactive antibodies, especially of the IgG class, additional enhancement techniques such as low ionic strength saline (LISS) and polyethylene glycol (PEG) are often used. (medscape.com)
  • 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)
  • Dispersive ionic space charge relaxation in solid polymer electrolytes. (uni-mannheim.de)
  • Microphase-separated block polymers have emerged as an interesting material platform for membrane applications, such as gas separation, water purification, proton-exchange membranes, anion-exchange membranes, and polymer electrolytes for battery applications. (aiche.org)
  • A consistent picture has been obtained from Raman spectroscopy, density functional theory (DFT) calculations, and molecular dynamics simulations for these polymer electrolytes. (unifesp.br)
  • We supply packaging polymers and expertise to solve a variety of packaging challenges with leading-edge polyethylene (PE) and polypropylene (PP) resins, polymer modifiers and performance polymers. (exxonmobilchemical.com)
  • These products include performance PE polymers, Vistamaxx™ performance polymers and specialty polypropylene resins. (exxonmobilchemical.com)
  • Polyethylene polypropylene polymer waterproof roll material is a new waterproof material made from polyethylene synthetic polymer materials as the main waterproof layer, adding additives, anti aging layer, reinforced adhesive layer, and polypropylene nonwoven fabric through automatic production line processing. (wzwxing.com)
  • Novel vectors for gene delivery formed by self-assembly of DNA with poly(L-lysine) grafted with hydrophilic polymers. (ox.ac.uk)
  • Factorial design based QbD strategy aided in defining the risk assessment of influential variables such as hydrophilic polymers and osmotic coat component on the in-vitro release kinetics of the designed EOP tablets. (bvsalud.org)
  • Demonstrate the use of polyethylene oxide based polymers as a suitable replacement for per- and polyfluorinated alkyl substances (PFAS) in aqueous film forming foams (AFFF). (serdp-estcp.org)
  • The project work incorporates synthesis and characterization of polyethylene oxide-based polymers for the purposes of developing a fluorine-free AFFF formulation suitable as a drop-in replacement for existing AFFF. (serdp-estcp.org)
  • This work is broken down into three tasks: 1) Synthesis and characterization of polyethylene oxide (PEO)-based AFFF polymers, 2) laboratory-based evaluation of synthesized polymers, and 3) MIL-PRF-24385F testing of PEO formulations at the NRL CBD fire testing facility. (serdp-estcp.org)
  • In this work, SEBS block copolymer is used as a polymer matrix to incorporate triethylene oxide (TEO) functionality. (aiche.org)
  • abstract = "A cause for degradation of polymer light-emitting diodes is the oxidation of the polymer by oxygen diffusing out of the indium-tin-oxide (ITO) anode. (tue.nl)
  • PEA is miscible with a number of polymers including: poly(L-lactide) (PLLA), poly(butylene adipate) (PBA), poly(ethylene oxide), tannic acid (TA), and poly(butylene succinate) (PBS). (wikipedia.org)
  • The mechanical properties of polystyrene/polyamide-6 (50/50 wt/wt) blends were improved by additions of small amounts of poly(styrene-g-ethylene oxide) (SEO) during compounding by extrusion. (lu.se)
  • These tests showed that lower polymer dosages were required with polyethylene oxide (peo) than with photofloc 1027 and that the peo-treated slurries can withstand more shear than those treated with photofloc 1027. (cdc.gov)
  • A new research paper that includes the contribution of 5REDO's CEO got published in American Chemical Society's Applied Polymer Materials journal. (5redo.ca)
  • Discover our implantable drug delivery systems made of bioresorbable polymers that release precise quantities of therapeutic agents gradually over time. (dsm.com)
  • Bioresorbable polymers (also referred to as bioabsorbable polymers, resorbable polymers, absorbable polymers, and degradable polymers) may be processed via melt extrusion into a variety of formats that include but are not limited to monofilament fibers , multi-filament yarns , tubing, and films. (poly-med.com)
  • This is achieved by combining the thermo-responsive properties of poly(2-isopropyl-2-oxazoline) (PiPrOx) with the self-assembly properties of fluorenylmethoxycarbonyl-tyrosine (Fmoc-Y), controlled by a phosphatase triggered mechanism. (rsc.org)
  • An important property in the speed of degradation is the crystallinity of the polymer. (wikipedia.org)
  • Minimization of moisture ensures polymer degradation is lessened as water is a driving factor in the hydrolytic degradation of resorbable polyesters. (poly-med.com)
  • Temperature deviations outside of the validated range of an extrusion process may result in generation of increased levels of residual monomer (elevated levels of residual monomer above certain thresholds are associated with cytotoxicity) and degradation of the polymer leading to a decrease average molecular weight (which has the potential to alter a materials degradation profile). (poly-med.com)
  • PEA has been studied as it is biodegradable through a variety of mechanisms and also fairly inexpensive compared to other polymers. (wikipedia.org)
  • This report details the work carried out for the development of a biotechnological process for the conversion of polyethylene terephthalate (PET) plastic bottles into biodegradable plastic project (2005-ET-LS-9-M3). (epa.ie)
  • This goal of this project was to try to develop a technology that could take plastic waste namely PET (which is most commonly associated with plastic drinks bottles) and convert this waste to a new biodegradable polymer. (epa.ie)
  • The first task of this project was to develop a biological process that could convert terephthalic acid into the biodegradable polymer polyhydroxyalkanoate (PHA). (epa.ie)
  • The TA generated is potentially a feedstock for the microbial synthesis of the value added biodegradable polymer PHA. (epa.ie)
  • Therefore, diffractogram of XRD, showed added ITO and PEG can be affect phisycal and chemistry properties of polymer cholestryl acrylate. (uns.ac.id)
  • Quantum Chemistry methods have been used to calculate vibrational frequencies and the equilibrium structure of segments of the polymer chain around the cation. (unifesp.br)
  • To form an addition polymer, the monomer molecule must have a double bond . (docbrown.info)
  • In the literatures told that PEG can be conjunctionc between that monomer or polymer cholesteryl acrylate-ITO. (uns.ac.id)
  • A careful balance between mechanical shear and temperature ensures that residual monomer generation is abated while molecular weight of the polymer is maintained. (poly-med.com)
  • This technology relates to anion exchange membranes with enhanced stability to high pH environments including poly(arylene sulfone) or poly(arylene ketone) with anion exchange groups. (rpi.edu)
  • The membranes can be constituted by either a single material or a combination of materials, such as the association of polymers with either collagen or hydroxyapatite. (bvsalud.org)
  • Its properties are closer to those of isotactic poly(propene) rather than the atactic form i.e. the regular polymer structure produces stronger intermolecular forces and a more crystalline form than the atactic poly(propene). (docbrown.info)
  • Isotactic poly(phenylethene) is the most regular structure and the strongest form where the intermolecular forces of attraction are maximised because the molecules can pack the closest together of the three stereospecific forms of the polymer. (docbrown.info)
  • The intermolecular forces between polymer molecules are bigger than those between small molecules like water and great enough to ensure plastic polymers like poly(ethene) and PVC are solid at room temperature. (docbrown.info)
  • In this work, three model poly (methyl methacrylate) (PMMA) polymers with linear, bottlebrush, and star architectures with the same total molar mass were investigated in their neat form, and nanocomposites with well-dispersed silica nanoparticles using rheology and broadband dielectric spectroscopy (BDS). (tubitak.gov.tr)
  • (1) An amorphous (non-crystalline) form called atactic poly(propene) which has an irregular structure due to the random arrangement of the methyl groups attached to the main carbon-carbon chain. (docbrown.info)
  • (2) A crystalline regular structure form called isotactic poly(propene) in which all the side chain methyl groups have the same regular orientation along the carbon-carbon polymer chain. (docbrown.info)
  • This data showed PEG changed structures of polymer. (uns.ac.id)
  • Regardless of the manner of banding, PEA polymer chains pack into a monoclinic crystal structure (some polymers may pack into multiple crystal structures but PEA does not). (wikipedia.org)
  • We were indeed able to establish highly anisotropic structures, that resemble linear or branched polymers, which we could image by CLSM. (lu.se)
  • Complexes formed between DNA and cationic polymers are attracting increasing attention as novel synthetic vectors for delivery of genes. (ox.ac.uk)
  • Architecturally different polymer chains lead to fundamentally different rheological responses and internal dynamics, which can be utilized to rationalize advanced thermoplastic nanocomposites with tunable mechanical behavior. (tubitak.gov.tr)
  • However, obtaining a polar phase with relaxor-like behavior in poly(vinylidene fluoride), as required for high energy storage density, is a major challenge. (nature.com)
  • Polymers, Solutions, Gels and Phase Behavior. (lu.se)
  • Poly Labs has a 35+ year legacy of producing highly engineered polyurethane, TPE, TPR and TPU based components for a diverse set of industrial markets including defense, medical, footwear and impact protection. (polyurethanelaboratories.com)
  • Poly Labs specializes in producing molded polyurethane, self-skinning polyurethane, small precise-pour polyurethane, thermoplastic urethane (TPU), thermoplastic elastomer (TPE), and thermoplastic rubber (TPR) components and materials. (polyurethanelaboratories.com)
  • A tunability as high as 86% was obtained at the Curie temperature in poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] 55/45 copolymers when a 100 MV/m dc electric field was applied. (psu.edu)
  • The large difference was regarded to come from the domain size change when CFE was introduced into the copolymers, and the polymer changed from normal ferroelectric for copolymers to the relaxor ferroelectric for terpolymers. (psu.edu)
  • We are trying to improve biological properties of such complexes by oriented self-assembly of DNA with cationic-hydrophilic block copolymers, designed to enshroud the complex within a protective hydrophilic polymer corona. (ox.ac.uk)
  • PEA/poly(ethylene furanoate) (PEF) copolymers at high PEA concentrations were shown to degrade within 30 days while neat PEA had not fully degraded, however, mixtures approaching 50/50 mol% hardly degrade at all in the presence of lipases. (wikipedia.org)
  • Using Ziegler-Natta catalyst you can get very stereospecific addition polymerisation to particular regular orientation of the side-chains off the backbone carbon chain of the polymer. (docbrown.info)
  • The atactic form of poly(propene) is made by free radical polymerisation. (docbrown.info)
  • Polymerisation means joining lots of small molecules (called monomers ) into very large long molecules (called polymers ). (docbrown.info)
  • Polymer Laboratories and Solutions LLC dba Poly Labs was launched on November 2nd, 2020 with the acquisition of the 88,000 square foot former Jones & Vining facility located at 765 Webster Street in Lewiston, Maine. (polyurethanelaboratories.com)
  • Blends of PEA with polymers such as poly(vinyl acetate) showed improved mechanical properties at elevated temperatures. (wikipedia.org)
  • By having sufficient polymer thickness and grafting density for, e.g. 80-90 nm, nanowells, polymer conformational change below and above LCST, allows controlled gating of these nanostructures. (chalmers.se)
  • Crosslinked polyethylene materials have been in use for around 30 years primarily in wire and cable application and for hot and cold water pipes in competition with copper. (ineos.com)
  • DSM portfolio of innovative biomedical materials and process manufacturing technologies: Biomedical Polyethylenes, Biomedical polyurethanes, Collagen Technology, Device Development, and Extracellular Matrix (ECM) Technology. (dsm.com)
  • In general polymer liquid crystal cholesteryl acrylate was made for many application usage in optoelectronics materials. (uns.ac.id)
  • Poly(vinylidene fluoride)-based dielectric materials are prospective candidates for high power density electric storage applications because of their ferroelectric nature, high dielectric breakdown strength and superior processability. (nature.com)
  • While polymers possess much lower dielectric constants compared to inorganic materials, they have at least an order of magnitude higher energy storage capacity as a result of their much higher breakdown fields (several hundreds of kV mm −1 ). (nature.com)
  • The section below outlines extrusion processing methods for bioresorbable materials currently available at Poly-Med. (poly-med.com)
  • Whilst there has been much success in modeling the linear and nonlinear rheology of monodisperse entangled linear polymers, progress in the constitutive modeling of polymeric materials continues to lag behind the needs of industry. (lu.se)
  • Silk is a sustainable, versatile material and a suitable alternative to currently less efficient processed polymer materials, i.e., high density polyethylene. (lu.se)
  • We demonstrate a strategy for producing polymer bioconjugates which display both enzymatic and thermal responsiveness. (rsc.org)
  • Herein, we will demonstrate that polyethylene microstructure may be tailored via a redox-active olefin polymerization catalyst in conjunction with a photoreductant and visible light irradiation. (rsc.org)
  • Results showed a significant reduction in bacterial counts on poly(TBAMS) compared with the reference material of several meat -specific micro-organisms after 24 h at 7°C. Bacterial counts of Staphylococcus aureus , Listeria monocytogenes , Lactobacillus spp. (bvsalud.org)
  • Premium dispersible high viscosity polymer used with a hydromill or clamshell to assist in the installation of slurry walls. (amicuscdp.com)
  • the addition of BOLT to the ALPINE Polymer Slurry gives it an instant viscosity boost to complete the job. (amicuscdp.com)
  • PFS(polymerization Ferrous Sulfate), light yellow powder or deep red liquid, is a kind of inorganic high polymer flocculant agent, which features are high density of alumen ustum, high speed of precipitation, high rate of pollution removal and low amount of sewage sludge, and etc. (water-treatmentchemical.com)
  • Industrially sourced polymers are typically polydisperse (comprising a broad distribution of molecular weights), making their rheology more suitable for processing but also more difficult to predict. (lu.se)
  • Performance PE polymers provide optimal load stability, package integrity and economic advantage through downgauging opportunities and packaging-line reliability in tertiary packaging applications. (exxonmobilchemical.com)
  • Performance polymers are used for load stability to protect products with extremely damage-resistant stretch hood packaging films. (exxonmobilchemical.com)
  • 7I Problems with using polymer plastics: methods of recycling, disposing, pollution e.g. (docbrown.info)
  • The analysis of these results, in terms of a statistical-mechanical model that incorporates polymer flexibility as well as the excluded volume of the protein, shows that the dramatic enhancement of bovine pancreatic trypsin inhibitor self-association can be quantitatively rationalized in terms of hard repulsive interactions. (lu.se)
  • Poly(ethylene adipate) or PEA is an aliphatic polyester. (wikipedia.org)
  • Collation shrink packaging films formulated with performance polyethylene polymers combine outstanding packaging integrity with optimal clarity and gloss for enhanced brand promotion. (exxonmobilchemical.com)
  • We propose a pair of simplified tube models for polydisperse melts of entangled linear polymers that combine the success of the double reptation approximation [des Cloizeaux, Europhys. (lu.se)
  • The dynamics of the polymer segment were investigated by performing broadband dielectric spectroscopy (BDS) at a frequency range from 10 -2 Hz to 10 7 Hz. (tubitak.gov.tr)
  • An ultra-high energy density (35 J cm −3 ) with a high efficiency (74%) is achieved in a pressed-and-folded poly(vinylidene fluoride) (670-700 kg mol −1 ), which is higher than that of other reported polymer-based dielectric capacitors to the best of our knowledge. (nature.com)
  • ExxonMobil Product Solutions performance polymers offer significant advantages for the high-speed production of medium-to-heavy-duty sacks suitable for a broad range of primary and secondary packaging applications. (exxonmobilchemical.com)
  • Specifically, the traditionally hydrophilic PEO will be chemically modified to incorporate hydrophobic/oleophilic groups in order to make these polymers suitable for use in AFFF formulations. (serdp-estcp.org)
  • To date, there are no molecular-based constitutive models that are practically suitable for describing industrially relevant polymers in industrially relevant flows. (lu.se)
  • The changes in polyethylene branching content are confirmed via 1 H NMR analysis, gel permeation chromatography, and quantitative 13 C NMR spectroscopy. (rsc.org)
  • Variation of PNIPAMreaction time/solvent constituency during the polymerization, results in different swollen/collapsed polymer brush thicknesses, indicated by the plasmonic shifts in extinction spectroscopy and surface plasmon resonance experiments. (chalmers.se)
  • This work demonstrates an effective way of designing polymers with multi-functions with excellent separation performance, mechanical properties, and processability. (aiche.org)
  • While linear chains form an entangled polymer network, the branched bottlebrush, and star chains show a viscoelastic response with no sign of rubbery entanglement plateau and a weak arm relaxation regime between Rouse and terminal flow, akin to other branched polymers. (tubitak.gov.tr)
  • The dynamical slowdown in the composites is temperature dependent and more pronounced at low temperatures (leading to approximately equal to 80 times slower dynamics for nanocomposite with bottlebrush PMMA at 150 °C) due to prolonged relaxation of the interfacial polymer compared to the matrix chains. (tubitak.gov.tr)
  • Poly(TBAMS) showed antimicrobial properties under conditions typical for meat supply chains. (bvsalud.org)
  • Surface charges are slightly shielded by the presence of the hydrophilic polymer, and complexes generally show decreased cytotoxicity compared with simple pLL/DNA complexes. (ox.ac.uk)
  • Learn about the latest advancements in biocomposite polymers and how they can be manipulated to control handling characteristics, mechanical properties and absorption times. (dsm.com)
  • Making poly(propene) using alkylaluminium (the German Ziegler ) catalysts and the Italian chemist Natta , produced a mixture of two forms of poly(propene). (docbrown.info)
  • Atactic poly(propene) is formed by a non-stereospecific catalyst. (docbrown.info)
  • Isotactic poly(propene) is formed by a stereospecific catalyst . (docbrown.info)
  • Syndiotactic poly(propene) is formed by a stereospecific catalyst . (docbrown.info)
  • They all have the same simplified structural polymer formula of poly(propene), i.e. (docbrown.info)
  • Complexes formed with all polymer conjugates showed greater aqueous solubility than simple pLL/DNA complexes, particularly at charge neutrality. (ox.ac.uk)
  • 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)
  • This feature was employed for protein transportation through the polymer brush interface in and out of the fabricated nanowell according to its plasmonic activity. (chalmers.se)
  • The two different side groups are randomised on either side of the polymer carbon atom chain. (docbrown.info)
  • Each side group is always on the same side of the polymer carbon atom chain. (docbrown.info)
  • Polymers are long chain molecules formed from lots of repeating units joined together by strong covalent bonds , often, but not always, single C-C covalent bonds for carbon based polymers. (docbrown.info)
  • PEO-based formulations will provide a low toxicity drop in replacement that is made from commonly available polymer material which provides easier scale up and reduced costs. (serdp-estcp.org)
  • Potential of the polymer poly-[2-(tert-butylamino) methylstyrene] as antimicrobial packaging material for meat products. (bvsalud.org)
  • The objective of the study was to investigate the antimicrobial potential of a new SAM(®) polymer poly(TBAMS) as packaging material for meat products . (bvsalud.org)
  • Over the coming years, Polymer Laboratories and Solutions LLC investors, board and team are looking forward to investing in the operation to accelerate growth opportunities and expand capabilities. (polyurethanelaboratories.com)
  • Miscibility is determined by the presence of only a single glass transition temperature being present in a polymer mixture. (wikipedia.org)
  • The reaction produces a mixture of di-, tri-, and poly-methyleneanilines. (cdc.gov)
  • This problem can be solved by the introduction of an organic hole-injecting film, poly-(3,4-ethylenedioxythiophene) (PEDOT) doped with poly(styrenesulfonate) (PSS), between the ITO and the emissive polymer. (tue.nl)
  • Sign up for the Poly Clay Play Newsletter to be notified when there is a sale or there is exciting or important news to share. (polyclayplay.com)
  • This study investigated the effects of physical and chemical parameters such as mixing and polymer type on dewatering of mineral slurries. (cdc.gov)
  • This approach will provide a unique understanding of the necessary steps needed to form spider silk for future sustainable polymer processing and storage. (lu.se)
  • Here I am combining liquid clay with fabric or paper fibers to create a very durable background to then adhere the polymer components," Heather explains. (polymerclaydaily.com)
  • Polymer brushes are prepared via Activators Regenerated by Electron Transfer Atom Transfer Radical Polymerization (ARGET-ATRP) by employing Bis[2-(2- bromoisobutyryloxy)undecyl] disulfide (DTBU) and its thiol (TBU) equivalent as initiators for the reaction. (chalmers.se)
  • Melt extrusion requires a careful balance four (4) main process settings of 1) moisture management, 2) optimizing the polymer melt profile, 3) the appropriate mechanical shear imparted on the molten polymer, and 4) extrudate orientation in-line or off-line. (poly-med.com)