• The composition can be determined by gel permeation chromatography(GPC) and nuclear magnetic resonance (NMR). (wikipedia.org)
  • Polymers (PPFMA) were characterized using nuclear magnetic resonance (NMR) spectroscopy and gel permeation chromatography. (iyte.edu.tr)
  • All of the obtained copolymers were characterized by 1H nuclear magnetic resonance (NMR), diffusion-ordered spectroscopy (DOSY), gel permeation chromatography (GPC), and differential scanning calorimetry (DSC). (edu.sa)
  • A series of monomethoxy poly(ethylene glycol)-poly(lactide) (mPEG-PLA) diblock copolymers were synthesized, and mPEG-PLA micelle was fabricated and used as a nanocarrier for solubilization and delivery of a promising anticancer drug ethaselen. (springer.com)
  • The synthetic strategy involved: (a) the preparation of OH-end-functionalized homopolymers or diblock copolymers by anionic polymerization, (b) the reaction of the OH-functionalized polymers with CpTiCl 3 to give the corresponding Ti-macrocatalyst, and (c) the ROP of LLA to afford the final block copolymers. (edu.sa)
  • The development of controlled radical polymerization as a synthetic methodology in the 1990s allowed for increased study of the concepts and properties of gradient copolymers because the synthesis of this group of novel polymers was now straightforward. (wikipedia.org)
  • The first one includes the synthesis of block-random copolymers consisting of polypeptide and glycopolymer and capable of self-assembly into polymer particles. (bvsalud.org)
  • The synthesis of copolymers was performed using sequential reversible addition-fragmentation chain transfer (RAFT) and ring-opening polymerization (ROP) techniques. (bvsalud.org)
  • 6 Coordination Polymerization: Synthesis of New Homo- and Copolymer Architectures from Ethylene and Propylene using Homogeneous Ziegler-Natta Polymerization Catalysts, Andrew F. Mason and Geoffrey W. Coates. (chemtec.org)
  • 10 Polymer Synthesis and Modification by Enzymatic Catalysis, Shiro Kobayashi and Masashi Ohmae. (chemtec.org)
  • 5 Controlled Synthesis and Properties of Cyclic Polymers, Alain Deffieux and Redouane Borsali. (chemtec.org)
  • A protocol for the synthesis and characterization of diffusive motion of cyclic polymers at the single molecule level is presented. (jove.com)
  • The results demonstrate that the diffusional heterogeneity of polymers that is often hidden behind ensemble averaging can be revealed by the efficient synthesis of the cyclic polymers using the ESA-CF process and the quantitative analysis of the diffusive motion at the single molecule level using the MSD and CDF analyses. (jove.com)
  • In order to characterize molecular level dynamics of cyclic polymers, a synthesis method that provides high purity cyclic polymers and an experimental and analysis methods that allow for quantitative characterization of molecular motion at the single molecule level have to be developed. (jove.com)
  • Chemistry) Synthesis polymer-bound small-molecule kinase inhibitors as anti-tumour agents. (sun.ac.za)
  • To this end, polymers in coatings will need to respond to major technological trends, such as ecofriendly materials that require synthesis of novel resins for waterborne, solvent‐free, thermal‐insulating, and air‐purifying coatings. (mdpi.com)
  • Micelles of the gradient copolymer can form when the gradient copolymer concentration is too high in a block copolymer solution. (wikipedia.org)
  • The mean diameter of ethaselen-loaded micelles ranged from 51 to 98 nm with a narrow size distribution and depended on the length of PLA block. (springer.com)
  • In vitro hemolysis study indicated that mPEG-PLA copolymers and ethaselen-loaded polymeric micelles had no hemolytic effect on the erythrocyte. (springer.com)
  • In previous work, our group has prepared micellar ethaselen formulation employing PLA-based copolymers and characterized its drug loading contents and stability (data not shown), which have demonstrated the compatibility between the core of micelles and the ethaselen molecules. (springer.com)
  • In this context, nanoparticulate systems (liposomes, micelles, polymer-based NPs, etc.) have attracted the interest of many researchers and numerous systems have been developed ( 1 ). (frontiersin.org)
  • 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)
  • They often exhibit unusual behaviors which is distinct from their linear counterpart, including increased thermal stability of polymer micelles by a linear-to-cyclic conversion, 1,2 and spatial organization of DNA in bacterial cells by a loop formation. (jove.com)
  • Intermediate and final products were characterized by NMR spectroscopy and size exclusion chromatography, equipped with refractive index and two-angle laser light scattering detectors. (edu.sa)
  • The size exclusion chromatography (SEC) is the work horse of polymer laboratories that separates with regard to size of the polymer species in the dilute solution that is then correlated to their molar mass by external calibration or absolute molar mass with the help of molar mass sensitive detectors such as light scattering and/or viscometer. (ommegaonline.org)
  • In Size Exclusion Chromatography (SEC), its value is negative where retention decreases with increase in molar mass. (ommegaonline.org)
  • In polymer chemistry, gradient copolymers are copolymers in which the change in monomer composition is gradual from predominantly one species to predominantly the other, unlike with block copolymers, which have an abrupt change in composition, and random copolymers, which have no continuous change in composition (see Figure 1). (wikipedia.org)
  • This Special Issue mainly focuses on any one of these polymeric materials, composites, and functionalities that can be used to make or render coatings "special" and will be of interest to all professionals, industrial practitioners, as well as researchers and graduate students in the fields of polymers chemistry and engineering, coatings materials science, and chemical engineering that need to know the most recent advances in functional polymer coatings. (mdpi.com)
  • A: Kamide K., Dobashi T.: Physical Chemistry of Polymer Solutions. (vscht.cz)
  • Synthetic amphiphilic block copolymers with surface activity are widely used as components of a wide variety of chemical products from motor oils and drilling fluids in oil production to household cleaning products and cosmetics [ 1 ]. (springer.com)
  • Associates of amphiphilic block copolymers are of great practical interest. (springer.com)
  • Field-flow fractionation of amphiphilic block copolymers. (sun.ac.za)
  • Biodegradable polymers, especially aliphatic polyesters such as polylactide (PLA), poly(DL-lactic-co-glycolic acid) (PLGA) and poly( ε -caprolactone) (PCL) have attracted much attention as biomaterials due to their biocompatibility, degradability and nontoxicity. (springer.com)
  • Furthermore, block copolymers of PFMA with poly(ethylene glycol) methacrylate (PEGMA) as a biocompatible component were prepared. (iyte.edu.tr)
  • Amphiphilic poly(2-deoxy-2-methacrylamido-d-glucose)-b-poly(l-lysine-co-l-phenylalanine) (PMAG-b-P(Lys-co-Phe)) copolymers were then used for preparation of self-assembled nanoparticles. (bvsalud.org)
  • 1, 25-Dihydroxyvitamin D3), which inhibits pro-inflammatory transcription factor NF-κB via the intracellular nuclear hormone receptor vitamin D receptor (VDR), was stably loaded into poly(ethylene glycol)-block-poly(propylene sulfide) (PEG- b -PPS) filomicelles. (frontiersin.org)
  • PMMA-gPLLA [PMMA: poly(methyl methacrylate)] was also synthesized by: (a) the reaction of CpTiCl 3 with 2-hydroxy ethyl methacrylate, HEMA, to give the Ti-HEMA-catalyst, (b) the ROP of LLA to afford a PLLA methacrylic-macromonomer, and (c) the copolymerization (conventional and ATRP) of the macromonomer with MMA to afford the final graft copolymer. (edu.sa)
  • In an attempt to create new polymer designs with improved properties and applicability, we have developed four novel SELPs wherein the elastomer forming sequence poly(VPGVG) is replaced with a plastic-like forming sequence, poly(VPAVG), and combined in varying proportions with the silk motif. (springeropen.com)
  • Poly(ester-carbonate) copolymers were synthesized through triethylborane (TEB)-activated, one-pot copolymerization of epoxides with anhydrides (AH) and CO2. (edu.sa)
  • Depending upon the feeding ratio of AH to the epoxides, poly(ester-carbonate) copolymers with random and tapered ester structures could be derived due to the much higher reactivity of AH toward growing oxanions compared to the reactivity of CO2. (edu.sa)
  • Here, we will show a method to synthesize high-purity cyclic and dicyclic poly(THF)s that incorporate a fluorophore unit using an electrostatic self-assembly and covalent fixation (ESA-CF) process 11-13 and a method to analyze the motion of the individual fluorophore-incorporated polymer chains using a combination of mean-squared displacement (MSD) and cumulative distribution function (CDF) analyses. (jove.com)
  • A small amount of gradient copolymer (i.e.styrene/4-hydroxystyrene) is added to a polymer blend (i.e. polystyrene/polycaprolactone) during melt processing. (wikipedia.org)
  • Preparation of polystyrene and vinyl polymers. (gwc2.on.ca)
  • The basic requirement of any polymer lab is a size exclusion chromatograph that is first test to determine the propagation of size which is then correlated to the molar mass through an appropriate calibration curve (generally polystyrene). (ommegaonline.org)
  • Cyclic polymer dynamics has been investigated using both synthetic and naturally occurring molecules by means of ensemble averaged experimental methods such as nuclear magnetic resonance (NMR), light scattering, and viscosity measurements. (jove.com)
  • The local composition gradient fraction g ( X ) {\displaystyle g(X)} is described by molar fraction of monomer 1 in the copolymer ( F 1 ) {\displaystyle (F_{1})} and degree of polymerization ( X ) {\displaystyle (X)} and its relationship is as follows: g ( X ) = d F 1 ( X ) d X {\displaystyle g(X)={\frac {dF_{1}(X)}{dX}}} The above equation supposes all of the local monomer composition is continuous. (wikipedia.org)
  • All of the common CRP methods including atom transfer radical polymerization and Reversible addition−fragmentation chain transfer polymerization as well as other living polymerization techniques including anionic addition polymerization and ring-opening polymerization have been used to synthesize gradient copolymers. (wikipedia.org)
  • The resulting change in composition throughout the polymerization creates an inconsistent gradient along the polymer. (wikipedia.org)
  • Because the rate of addition of the second monomer influences the polymerization and therefore properties of the formed polymer, continuous information about the polymer composition is vital. (wikipedia.org)
  • The aim of this work is to synthesize arginine-containing well-defined polymers via reversible addition-fragmentation chain transfer (RAFT) polymerization and perform preliminary investigation on the use of these polymers in nucleic acid complexation for potential gene therapy applications. (iyte.edu.tr)
  • Basic definitions: Monomers, polymers, polymerization reactions. (gwc2.on.ca)
  • PEG 42 - b -PMLABe 73 and Biot-PEG 66 - b -PMLABe 73 block copolymers were obtained by anionic ring-opening polymerization of benzyl malolactonate in presence of α-methoxy-ω-carboxy-PEG 42 and α-biotin-ω-carboxy-PEG 66 as initiators. (frontiersin.org)
  • 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)
  • 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)
  • 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)
  • 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)
  • There are various types of polymerization methods of water soluble polymers such as bulk polymerization, solution polymerization, copolymerization, emulsion polymerization and suspension polymerization. (niir.org)
  • Water soluble polymers are used widely as stabilizers or protective colloids in emulsion polymerization. (niir.org)
  • Polymers are compounds of high molecular weights having same elements combined in same proportion through the process of polymerization. (marketsandmarkets.com)
  • However, advances in polymerization methods, emulsion science and technology, new organic-inorganic hybrid systems, as well as principles of nanotechnology and self‐assembly can lead to robust multifunctional polymer coatings with strong technological implications. (mdpi.com)
  • 4 Multisegmental Block/Graft Copolymers, Constantinos Tsitsilianis. (chemtec.org)
  • Block and graft copolymers as flocculants for wastewater treatment. (sun.ac.za)
  • Due to the similar properties of gradient copolymers to that of block copolymers, they have been considered as a cost-effective alternative in applications for other preexisting copolymers. (wikipedia.org)
  • 3 Statistical, Alternating and Gradient Copolymers, Bert Klumperman. (chemtec.org)
  • A major portion of coating science and technology relies on advances in polymer science and polymer composites. (mdpi.com)
  • Polymer composites properly integrated into coatings can lead to multifunctional and smart coatings, having special properties such as self‐cleaning, latent heat storing, bionic anti‐fouling, self‐healing, light/heat/electricity conducting, and regulating and sensory coatings. (mdpi.com)
  • 100% of P(PFMA) active ester groups could be modified with AME at a polymer/AME/TEA mole ratio of 1/1/3, as determined by 1H-NMR spectroscopy. (iyte.edu.tr)
  • Cyclic polymers are unique in that they do not have chain ends. (jove.com)
  • 4,5 Therefore, characterizing the motion and relaxation of cyclic polymers under entangled conditions has been an important research topic in polymer science for decades. (jove.com)
  • The wide range of composition possible in a gradient polymer due to the variety of monomers incorporated and the change of the composition results in a large variety of properties. (wikipedia.org)
  • The hydrodynamic diameter of the nanoparticle-based conjugates was increased to 200-370 nm, depending on the polymer sample and drug loading. (bvsalud.org)
  • 15 Bio-inspired Complex Block Copolymers/Polymer Conjugates and Their Assembly, Markus Antonietti, Hans G. Börner, and Helmut Schlaad. (chemtec.org)
  • Anti-malarial polymer-peptide conjugates. (sun.ac.za)
  • The book provides a state of the art description of the synthetic tools to precisely control various aspects of a macromolecular structure including chain composition, microstructure, functionality, and topology as well as modern characterization techniques at molecular and macroscopic level for various properties of well-defined (co)polymers in solution, bulk and at surfaces. (chemtec.org)
  • Multidimensional analytical approach for the characterization of complex ethylene propylene copolymers. (sun.ac.za)
  • Thermodynamic, hydrodynamic, scattering and separation methods for investigation and characterization of polymer systems are described. (vscht.cz)
  • They will be able to choose a proper physico-chemical method for study and molecular characterization of polymer compounds and to evaluate its results. (vscht.cz)
  • These simplified production and purification procedures improve process efficiency and reduce costs in the preparation of these novel polymers and enhances their potential for application. (springeropen.com)
  • 2009 ). Nevertheless, to fully develop the potential of SELPs, new polymer designs with altered and improved properties are required, allowing for a better understanding of the design of these but also leading to an expanded range of novel polymers with potentially enhanced applicability. (springeropen.com)
  • Due to the thermoplastic behavior, pastillated and flaked resins may fuse, block or lump. (eastman.com)
  • Polymers, Solutions, Gels and Phase Behavior. (lu.se)
  • The solutions have a gel-like behavior. (cea.fr)
  • Students will be versed in thermodynamical and rheological models of polymer systems and will be able to use them for prediction and interpretation of phase and flow behavior. (vscht.cz)
  • The gradient copolymer have very broad glass transition temperature (Tg) in comparison with other copolymers, at least four times bigger than that of a random copolymer. (wikipedia.org)
  • High temperature multidimensional chromatography of complex and functionalized polyolefins. (sun.ac.za)
  • The effects that working variables have on the kinetics of the reaction, such as temperature, feed ratio, molar mass of the polymer and the introduction of an amorphous block in the polymer structure, have been investigated. (unav.edu)
  • Various modes of interaction chromatography such as liquid chromatography at critical conditions (LCCC), liquid chromatography under limiting conditions (LCLC), temperature and solvent gradient interaction chromatographic modes (TGIC and SGIC) are also used for analysis of polymers with respect to different properties such as chemical composition, functionality, and molar mass etc. (ommegaonline.org)
  • The methodology here proposed can be applied to the general case of inclusion complexes of CDs with drugs in the solid phase, or to multicomponent systems that contain polymers as excipients in pharmaceutical formulations along with CDs. (unav.edu)
  • Polymers are inherently complex multicomponent systems exhibiting several distributed properties. (ommegaonline.org)
  • Water soluble polymers cover a wide range of highly varied families of products of natural or synthetic origin, and have numerous uses. (niir.org)
  • A water soluble polymer is a polymer that can be diluted in water, with or without the assistance of co solvents and neutralizing agents, to form transparent solutions. (niir.org)
  • The water soluble polymers market encompasses several categories, including starch, cellulose ethers, polyvinylacetate, polyvinyl alcohol and other synthetic water soluble polymers. (niir.org)
  • The book covers classification of water soluble polymers, processes, properties, uses and applications of water soluble polymers with lot of other information. (niir.org)
  • naturally occurring, semi synthetic and completely synthetic polymers. (niir.org)
  • Polymers are either bio-based or synthetic-based depending on their source of origin (fossil fuel or living organisms) and production methods. (marketsandmarkets.com)
  • Some biopolymers, such as, PLA, bio-PET, bio-PE, etc. can be converted into plastics and are finding applications that are similar to the synthetic polymers. (marketsandmarkets.com)
  • Patent Literature 3 discloses a rubber composition comprising a styrene-butadiene rubber, a high-cis polybutadiene rubber, natural rubber, a farnesene polymer and carbon black having N 2 SA of 5 to 200 m 2 /g and DBP of 5 to 300 ml/100g. (epo.org)
  • Generally the composition has a narrow polydispersity index (PDI) and the molecular weight increases with time as the polymer forms. (wikipedia.org)
  • Kristalex™ F115 hydrocarbon resin is a water-white, color stable, low molecular weight thermoplastic hydrocarbon polymer. (eastman.com)
  • This application is not available for block and graft copolymer because of its very low critical micelle concentration (cmc). (wikipedia.org)
  • In our research, PLA was also chosen as hydrophobic segment of a block copolymer due to the higher compatibility between the micelle core-forming PLA and the ethaselen molecules. (springer.com)
  • Till date MarketsandMarkets has published more than 75 syndicate reports on various resins, polymers, plastics, bio-polymers, and specialty polymers. (marketsandmarkets.com)
  • Over the years the company has gained substantial expertise in the field of resins and polymers and now has knowledge alliance with more than 500 subject matter experts from the industry. (marketsandmarkets.com)
  • Furthermore, the hydrodynamic diameter (Dh) of polymer/DNA complexes in phosphate buffer saline was found to be 58 nm, while the free DNA displayed a Dh of 109 nm, indicating the complexation of DNA by AME-modified P(PFMA). (iyte.edu.tr)
  • The resulting interfacial copolymer helps to stabilize the dispersed phase due to the hydrogen-bonding effects of hydroxylstyrene with the polycaprolactone ester group. (wikipedia.org)
  • Pentafluorophenyl methacrylate (PFMA) was chosen as an active ester monomer to produce polymers having functional groups available for further modification. (iyte.edu.tr)
  • Soluble suppressor activity obtained from allopregnant mouse decidua that blocks the cytolytic effector response to IL-2 is related to transforming growth factor-beta. (mcmaster.ca)
  • Although PEG polymers may undergo enzymatic degradation, significant fluid uptake and swelling dominate the degradation of our formulated PEG:dextran hydrogels, resulting in hydrolytically sensitive materials. (nature.com)
  • 10 Furthermore, spatiotemporal heterogeneities of the motion of individual molecules caused by inherent structural heterogeneity of entangled polymers are often hidden behind the ensemble averaging in these studies. (jove.com)
  • Off-line and on-line hyphenations of these different modes of liquid chromatography, and with spectroscopic techniques disclose very important information about polymer heterogeneity that is not possible by employing these techniques independently. (ommegaonline.org)
  • Furthermore, we optimised a simplified production procedure for these, making use of an autoinduction medium to reduce process intervention and with the production level obtained being 6-fold higher than previously reported for other SELPs, with volumetric productivities above 150 mg/L. Finally, we took advantage of the known enhanced stability of these polymers in developing an abridged, non-chromatographic downstream processing and purification protocol. (springeropen.com)
  • The silk-like blocks spontaneously form hydrogen-bonded β-sheet crystals and impart thermal and chemical stability (Megeed et al. (springeropen.com)
  • Multiple Linear Regression Modeling To Predict the Stability of Polymer-Drug Solid Dispersions: Comparison of the Effects of Polymers and Manufacturing Methods on Solid Dispersion Stability MOLECULAR PHARMACEUTICS. (nottingham.ac.uk)
  • With an adequate MSD and CDF analyses, a multiple-mode diffusion of the cyclic and dicyclic polymers in the melt and semi-dilute solution of the linear polymer chains has been revealed, 14-16 suggesting the significant effects of the topological states of the polymers on the diffusive motion of the chains under entangled conditions. (jove.com)
  • For the compatiabilization of immiscible blends, the gradient copolymer can be used by improving mechanical and optical properties of immiscible polymers and decreasing its dispersed phase to droplet size. (wikipedia.org)
  • If time allows) Thermodynamics of polymer solutions and mixtures (blends). (gwc2.on.ca)
  • Phase separation in block copolymers and polymer blends. (gwc2.on.ca)
  • In this iterative assembly process, each polymer layer acts as both a structural component of the final morphology and a template for directing the order of subsequent layers. (nature.com)
  • In the gradient copolymer, there is a continuous change in monomer composition along the polymer chain (see Figure 2). (wikipedia.org)
  • Polymers, on the other hands are substances made up of repeating structural units, derived from a specific compound called monomer, joined together by chemical bonds. (marketsandmarkets.com)
  • X-D Lin, W Liu, X-Y Dong, Y Sun*: Epigallocatechin gallate-derived carbonized polymer dots: A multifunctional scavenger targeting Alzheimer's β-amyloid plaques. (tju.edu.cn)
  • The molar mass of the polymer does not modify the typical channel-like arrangement of packed PPRs but the conversion into crystalline PPR diminishes when using PEG1000 instead of PEG400. (unav.edu)
  • Polymers elute in order of decreasing molar mass in SEC and in order of increasing molar mass in LAC. (ommegaonline.org)
  • LCCC allows separation of polymers with regard to distributions other than molar mass such as other block, functionality, architecture etc. (ommegaonline.org)
  • Among the nanoplatforms designed to address these objectives, polymer-based NPs have attracted much interest mainly because of the versatile characteristics of polymers allowing adjustment of the physico-chemical and biological properties of the corresponding nanocarriers. (frontiersin.org)
  • In styrenic block copolymer based adhesives Kristalex F115 preferentially associates with the styrenic endblocks, producing higher cohesion at temperatures up to 70°C without affecting tack and adhesion properties. (eastman.com)
  • Statistics of an ideal polymer chain, the effect of excluded volume on the polymer-coil dimensions, thermodynamics and flow of polymer solutions in various concentration regimes are explained. (vscht.cz)
  • This leads to a decrease in the delamination limit of a given polymer mixture, that is, to a decrease in the concentration range of existence of single-phase polymer mixtures in solution upon passing to a poor solvent for one of them. (springer.com)
  • Also known is the use of such polymer nanoparticles as templates for obtaining hollow silicon dioxide particles in creation of antireflection coatings on silicate glass [ 3 ]. (springer.com)
  • The AME modified polymers were complexed with a 681-bp DNA fragment through electrostatic interactions at varying nitrogen/phosphate (N/P) ratios. (iyte.edu.tr)
  • The release patterns of the co-encapsulated forms of substances differed from those of the separately encapsulated drugs, suggesting differences in drug-polymer interactions. (bvsalud.org)
  • Systems with specific interactions (e.g., polyelectrolytes) and advanced architecture (e.g., block copolymers, dendrimers) are also mentioned and their innovative potential is demonstrated. (vscht.cz)
  • R: Rubinstein M., Colby R.H.: Polymer Physics. (vscht.cz)
  • The diffusive motion of individual cyclic polymer chains in a melt state is visualized using single molecule fluorescence imaging by incorporating a fluorophore unit in the cyclic chains. (jove.com)
  • However, the release rate could be controlled in the range of 96-192 h by varying the polymer composition. (bvsalud.org)
  • 0011] The rubber composition for tires of the present invention contains a farnesene polymer and a specific carbon black together with a rubber component. (epo.org)
  • self-assembled monolayers and polymer films. (scirp.org)
  • Such particles are formed in a colloidal solution of amphiphilic macromolecules of narrowly dispersed block copolymers in a selective solvent that selectively dissolves one of the blocks. (springer.com)
  • When such a solution is cooled, the solvent becomes selective with respect to the blocks of the copolymer, inducing the self-organization of its macromolecules into nanoobjects. (springer.com)
  • As known [ 11 ], the compatibility of polymers in solution deteriorates if the solvent is poor for one of the polymers. (springer.com)
  • Liquid chromatography under limiting conditions is also based on exclusion-adsorption equilibrium and can be adjusted by using different mobile phase and sample solvent. (ommegaonline.org)
  • Y Wu, Y Sun*: Cationic polymers remarkably boost haloalkane dehalogenase activity in organic solvent solutions and the molecular implications. (tju.edu.cn)
  • The successful employment of such polymers in such diverse fields, however, requires the ready availability of a variety of different forms with novel enhanced properties and which can be simply prepared in large quantities on an industrial scale. (springeropen.com)
  • Silk-elastin-like polymers (SELPs) are PBPs composed of multiple repeats of both silk- and elastin-like motifs that combine the outstanding mechanical and biological properties of both these proteins. (springeropen.com)
  • Most commonly, they are based on repetitions of the silk fibroin amino acid motif GAGAGS and the mammalian elastin conserved motif VPGVG, with the proportions, number and sequence of these repeated motifs governing the properties of the polymer. (springeropen.com)
  • The structures and properties of copolymers obtained by terpolymerizations and block copolymerizations were compared. (edu.sa)
  • A: Teraoka, I.: Polymer solutions : an introduction to physical properties. (vscht.cz)
  • Specifically, block copolymer films are immobilized on surfaces, and template successive layers through subtle surface topography. (nature.com)
  • 11 Grafting and Polymer Brushes on Solid Surfaces, Takeshi Fukuda, Yoshinobu Tsujii, and Kohji Ohno. (chemtec.org)
  • Copolymerization kinetic studies indicated that chain extension block copolymerizations were successfully performed using both macroRAFT agents. (iyte.edu.tr)
  • Degrees were awarded in Polymer Science, except where stated differently. (sun.ac.za)
  • Malik, M.I., Analytical Polymer Science. (ommegaonline.org)