• GPC showed that isolated polymers obtained via Yamamoto poly coupling have low molecular weights, likely due to solubility issues. (amrita.edu)
  • The electrochemical polymerizations led to p- and n-dopable polymers, with 2,5-Py-V-EDOT yielding more reversible n-doped process. (amrita.edu)
  • Thermal properties of thermoplastic polymers: influence of polymer structure and procedure of radical polymerization. (mpg.de)
  • Poly(iminoborane)s (PIBs) are main group polymers with a B=N backbone, formally isoelectronic to polyacetylene. (chemistryviews.org)
  • Wang and coworkers synthesized their polymers from cyclooctene monomers with a four-membered cyclobutane ring fused to the eight-member ring. (acs.org)
  • These reversible polymers have a carbon-carbon backbone, which means their strength, stretchability, and thermal stability are comparable with those of current plastics, such as polyethylene, Wang says. (acs.org)
  • While niche applications occupy a small fraction of the overall volume of polymers produced, large scale applications tend to employ lower cost materials, such as polyethylene, polypropylene, and polystyrene. (umass.edu)
  • Specifically, bishydroxydeoxybenzoin (BHDB), a fully hydrocarbon bis-phenol monomer, has emerged as an excellent candidate to achieve nonflammable polymers by its facile integration into a variety of polymers, such as polyesters, polyurethanes, and epoxies. (umass.edu)
  • Developing functional deoxybenzoin small molecules, monomers, and polymers allows access to new opportunities to achieve non-halogenated, low flammability polymers and networks that are not accessible with conventional deoxybenzoin structures. (umass.edu)
  • AB 2 monomers present opportunities to conduct one-pot syntheses of highly branched or "hyperbranched" polymers, which are known for their distinct physical and chemical properties relative to linear polymers. (umass.edu)
  • These polymers exhibit high char residues (~60%) and extremely low heat release properties (FGC ~ 55 J/g-K). The resultant polymers were blended with commercial PET and showed a 40% reduction in heat release properties with just 10 wt% poly(aryl ketone) incorporated. (umass.edu)
  • The polymers were prepared by polymerisation of metal acrylate monomer and neutralisation of poly(acrylic acid) by the appropriate metal salt. (gla.ac.uk)
  • Cu. The polymers made by neutralisation of poly(acrylic acid) and those made by polymerisation of metal acrylate monomer exhibited similar thermal stability and degradation characteristics. (gla.ac.uk)
  • He developed a general procedure for free radical-ring opening polymerization that uniquely incorporates hydrophilic units in the backbone, thus providing a general route to preparation of biocompatible addition polymers. (nae.edu)
  • The synthesis and polymerization of imidazole-substituted epoxides, a novel family of monomers and polymers, for potential incorporation into polymeric therapeutics, ion- transport membranes, and catalysis/metal coordination has been reported. (elsevierpure.com)
  • Plastics and a family of polymers called polyolefin (POF) films are produced by the polymerization of monomers. (precedenceresearch.com)
  • A particularly unique aspect of this work is that the water-soluble monomers and the SET-LRP initiator used to produce the corresponding polymers were synthesized from biorenewable and non-toxic solvents, namely natural ethyl lactate and BASF's Agnique (R) AMD 3L (N,N-dimethyl lactamide, DML). (ibecbarcelona.eu)
  • The research team, led by E. Ihara and H. Shimomoto, has been utilizing unique reactivities of a diazocarbonyl group for polymer synthesis where they have succeeded in preparing a variety of polymers with unprecedented chemical structures by the polymerization of some bis(diazocarbonyl) compounds bearing two diazocarbonyl groups in one molecule. (eurekalert.org)
  • As alkenes are unsaturated, they can be used to make polymers through a process called polymerisation . (shalom-education.com)
  • Other addition polymers can also be produced using monomers containing C=C bonds, including poly(propene), poly(chloroethene) (PVC), and poly(tetrafluoroethene) (PTFE). (shalom-education.com)
  • The repeat units of a range of polymers together with the monomer units from which they are derived are shown in Table 3. (open.edu)
  • Various types of polymer can be generated from similar monomer units, and Table 3 shows three families of closely related polymers. (open.edu)
  • 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)
  • 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)
  • Another is directly using CO 2 as a monomer for the copolymerization with other monomers to generate polymers. (sioc-journal.cn)
  • 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)
  • Sustainable monomer synthesis and radical polymerization studies. (mpg.de)
  • In Chapter 2, we discuss the synthesis of a novel deoxybenzoin-based AB 2 monomer. (umass.edu)
  • We describe the synthesis of a deoxybenzoin-containing AB 2 monomer and its use in step-growth polymerization to prepare branched aromatic polyesters. (umass.edu)
  • In Chapter 3, we discuss the design and synthesis of a multifunctional epoxide monomer. (umass.edu)
  • 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)
  • This thesis was concerned primarily with the synthesis and the ring-opening polymerisation of anhydrosulfites (1,3,2-dioxa-thiolan-4-one-2-oxides), and secondly with the copolymerisation of anhydrosulfites with -caprolactone. (aston.ac.uk)
  • He discovered and developed new methodologies for preparing completely biodegradable polyethylene, polystyrene, and polyamides. (nae.edu)
  • Polyethylene, polystyrene, and acrylic are examples of plastics formed by addition polymerization. (sciencehistory.org)
  • M R increases in this series, so that a polystyrene sample of molecular mass 10 000 will possess only 10 4 /104 or roughly 100 repeat units compared to nearly 360 for a linear polyethylene of the same molecular mass. (open.edu)
  • Polyethylene terephthalate (PET) is the third most common synthetic polymer behind polyethylene and polypropylene, with over 50 million metric tonnes of PET produced each year. (rsc.org)
  • Here, a halamine precursor monomer, 1-acryloyl-2,2,5,5-tetramethylimidazolidin-4-one (ACTMIO), was covalently grafted to a poly(ethylene terephthalate) (PET) fabric, which is a common textile material used in medical scrubs, via a controlled free radical graft polymerization reaction using a "pad-dry-cure" finishing process. (cdc.gov)
  • Another remarkable breakthrough occurred with the development of Polyethylene Terephthalate (PET), a plastic that has significantly replaced glass bottles in many applications. (wotr.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 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)
  • 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)
  • 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)
  • Blends of poly(L-lactic acid) (PLLA) and polypropylene (PP), which are candidates for the practical use of PLLA, were investigated for selective degradation of PLLA, resulting in quantitative conversion of PLLA components into cyclic monomers, lactides, using magnesium oxide (MgO) as a depolymerization catalyst. (hindawi.com)
  • Ring-Opening Polymerization of Cyclic Monomers by Complexes Derived from Biocompatible Metals. (research.com)
  • Imidazole-substituted epoxide monomers, l-tritylimidazole-2- ethylene oxide (TTm-2-EO) and l-tritylimidazole-4-ethylene oxide (TTm-4-EO), were prepared using a three-step and two-step synthetic approach starting from imidazole (Tm) or imidazole-4-car- boxaldehyde (Tm-4-ca). (elsevierpure.com)
  • Novel imidazole-substituted epoxide monomers were successfully synthesized and polymerized using anionic ROP. (elsevierpure.com)
  • The copolymerization of CO 2 and epoxide monomers was widely studied in the past few years and has been industrialized. (sioc-journal.cn)
  • The precursor monomer units are dienes, that is, they possess two double bonds as shown by BR and NR in Table 2 . (open.edu)
  • After polyethylene and polypropylene, it is the third-largest thermoplastic substance by volume in the world. (extramarks.com)
  • 1,3-Butadiene is used in the manufacture of synthetic rubbers (such as styrene-buta- diene rubber or poly-butadiene rubber) and thermoplastic resins (1). (cdc.gov)
  • To make those carbon-carbon bonds from monomers with double bonds, the team used a reaction called ring-opening metathesis polymerization. (acs.org)
  • If the monomers contained just the cyclooctene, the energy due to ring strain would be high enough that the polymer wouldn't recyclize into monomers, making the reaction irreversible. (acs.org)
  • Then ATRP of the corresponding monomers followed by deblocking reaction leads to well-defined amphiphiles with narrow molecular weight distributions (PDI ≤ 1.29) and varying content of methacrylic acid. (dtu.dk)
  • In polymerization, monomers - which have double bonds - are broken down by heat or chemical reaction to single bonds. (firehouse.com)
  • In this type of reaction, the double bond between the carbons in the monomer opens up, allowing it to link with other monomers. (shalom-education.com)
  • For example, ethene molecules can link together in a polymerisation reaction. (shalom-education.com)
  • This microscopic flower is growing thanks to a nitroxide-mediated polymerization reaction. (acs.org)
  • The obtained ACTMIO-grafted (H-PET-g-ACTMIO) fabrics exhibited high grafting ratios of the monomers, desired properties of improved hydrophilicity, large active chlorine capacity, promising chlorine rechargeability, and desirable washing durability due to the robust covalent bonds between halamine moieties and PET fabrics. (cdc.gov)
  • They form when smaller molecules, called monomers, are linked together through covalent bonds. (shalom-education.com)
  • By incorporating alkoxyamine functional groups into poly(ethylene glycol) diacrylate, the researchers created a dynamic covalent material that could be shaped into 3D structures using two-photon laser printing and then undergo post-printing modifications. (acs.org)
  • This arrangement creates a greater degree of crystallinity and results in a stiffer material that is more resistant to creep than both atactic polypropylene and polyethylene. (wikipedia.org)
  • For example, polypropylene and polyethylene are very similar, as are styrene and styrene-acrylonitrile. (firehouse.com)
  • Multifunctional monomers present opportunities to design cross-linked networks with tunable thermal and mechanical properties. (umass.edu)
  • Initially, multifunctional ATRP macroinitiators based on PHEMA backbone are prepared by RAFT polymerization. (dtu.dk)
  • This BPE setup, accompanied by the generated streaming potential of 2-3 volts was responsible for creating conditions conducive for the redox reactions of organic monomers. (phys.org)
  • In addition, the successful application of Hansen solubility theory in surface modification of chemically inert polyester fibers provides a good example of controlling free radical polymerization reactions on textile materials. (cdc.gov)
  • The polymerization reactions were initially yellow, heterogeneous solutions that became homogeneous as polymerization progressed. (elsevierpure.com)
  • For example, poly(chloroethene) or PVC is formed by linking together chloroethene monomers through polymerisation reactions. (shalom-education.com)
  • 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)
  • Fractional orders were observed with respect to catalyst concentration, indicating catalyst aggregation during the polymerization processes. (acs.org)
  • The chemists can polymerize the cyclooctene compound below room temperature in 67% yield, and then get 90% of the monomer back at 50 °C, using the same ruthenium catalyst (shown). (acs.org)
  • The polymerization catalyzed by a Rh catalyst proceeded as they expected, affording poly(β-keto enol ether) with a molecular weight higher than 10000. (eurekalert.org)
  • 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)
  • 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)
  • wherein the aqueous based adhesive is comprised of a vinyl acetate/ethylene polymer formed by emulsion polymerization and having (a) a crystalline melting point (Tm) ranging from 35 to 110° C., preferably 50 to 90° C. (justia.com)
  • With two examples, poly( N -isopropyl acrylamide) brushes and poly(ethylene glycol) microgels on Si surfaces, the simulation as well as the application of the simulation to the GINSES data analysis are presented. (iucr.org)
  • 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)
  • Polymerizations were carried out by conventional free radical initiation to obtain the corresponding high molecular-weight poly(aryl carboxylate isosorbide methacrylate)s (PArIMAs). (lu.se)
  • In addition, materials made of the polymer can be easily degraded to the above-described low molecular weight compounds, including one of the monomers, after they are used in neutral conditions. (eurekalert.org)
  • The molecular weight M0 of poly(L-lactic acid) ranged from (0.5 to 6)x104. (aston.ac.uk)
  • In their recent study published in Communications Chemistry , the team provided a proof-of-concept for electrochemical polymerization of organic aromatic monomers without an external power supply. (phys.org)
  • Lignin-based polymeric surfactants for emulsion polymerization. (mpg.de)
  • An improvement in the wet tensile of the nonwoven webs is achieved by incorporating a finite amount of poly(acrylic acid) into a polymeric binder system that is applied to the web. (justia.com)
  • They are both significant for developing new polymerizations based on CO 2 and expanding CO 2 -based polymeric materials. (sioc-journal.cn)
  • Kinetic parameters were investigated, and each polymerization was found to be first order with respect to monomer concentration. (acs.org)
  • It was found that the drug loading efficiency depends on the initial concentration of monomer and cephalexin in the polymerization medium. (degruyter.com)
  • The graft copolymers showed effective surface adsorption and lubrication for self-mated poly(dimethylsiloxane) (PDMS) contacts in physiological salt concentration. (dtu.dk)
  • Typically, PLLA is being produced via starch saccharification, lactic acid fermentation, oligomerization, cyclic monomer formation, and ring-opening polymerization of the cyclic monomer. (hindawi.com)
  • These complexes were tested for the ring-opening polymerization (ROP) of rac -lactide at 70 °C in toluene, producing poly(lactide) with up to 82% isotacticity. (acs.org)
  • Ring-Opening Polymerization of ε-Caprolactone by Using Aluminum Complexes Bearing Aryl Thioether Phenolates: Labile Thioether Chelation. (acs.org)
  • 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)
  • If the feedstock recycling of PLLA to the cyclic monomer, L,L-lactide, can be achieved more effectively, it will then become possible to renew PLLA by the shortest, most energy-efficient route. (hindawi.com)
  • The unit cell contains two lactide monomers, one d - and one l -lactide, adding further proof that polymerization takes place via an enantiomorphic site control mechanism. (acs.org)
  • To test the polymerization abilities of this setup, the team chose two aromatic organic compounds: Pyrrole (Py) and 3,4-Ethylenedioxythiophene (EDOT). (phys.org)
  • In the present work, we have functionalized isosorbide 5-methacrylate with various aromatic lignin-inspired esters to yield a series of isosorbide-2-aryl carboxylate-5-methacrylate monomers (ArIMAs) as single regioisomers. (lu.se)
  • Aliphatic anhydrosulfites were obtained with a level of purity satisfactory for polymerisation whereas aromatic anhydrosulfites decomposed during distillation and purification by chromatographic techniques. (aston.ac.uk)
  • The stereoselective polymerization to the isotactic was discovered by Giulio Natta and Karl Rehn in March 1954. (wikipedia.org)
  • Mechanistic Insight into the Stereoselective Cationic Polymerization of Vinyl Ethers. (acs.org)
  • This indicated that this polymerisation was not stereoselective. (aston.ac.uk)
  • This was overcome by linking the adjacent nitrogen atoms of the monomer by an ethylene bridge. (chemistryviews.org)
  • The simplest repeat unit is that for polyethylene, and consists of two carbon atoms linked to four hydrogen atoms. (open.edu)
  • The polymerizations were evaluated in different solvents, including toluene, EtOAc, γ-valerolactone, 2-MeTHF, and DMSO to identify the most suitable conditions. (lu.se)
  • 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 molecular weights were found to depend on the basicity of the initiator, the monomer-to-initiator ratio, the nature of the solvent and the polymerisation temperature. (aston.ac.uk)
  • Or they could polymerize a new monomer (they used styrene) onto the material to change its size and mechanical properties while preserving the overall shape. (acs.org)
  • Epidemiologic studies have been conduct- ed among workers exposed to butadiene in the manufacture of styrene-butadiene rub- ber (4-) and among workers involved in the production of butadiene monomer (8-10). (cdc.gov)
  • Four transition metal salt homopolymers of poly(acrylic acid) were prepared and characterised. (gla.ac.uk)
  • The thermal degradation of transition metal salts of poly(acrylic acid) occurred by a free radical decomposition process. (gla.ac.uk)
  • Both these monomers were successfully electropolymerized into polypyrrole (PPy) and poly-EDOT (PEDOT) respectively, without using any external power source. (phys.org)
  • Highly crystalline and purely isotactic poly(lactic acid) was synthesised from L-lactic acid anhydrosulfite (L-LAAS) whereas DL-LAAS led to an amorphous polymer with randomly distributed D-and L-lactic units. (aston.ac.uk)
  • However, the bulkiness of the substituent in the anhydrosulfites molecule was found to influence the stereoselectivity of the polymerisation, thus polyesters with isobutyl or n-butyl pendant group were preferentially isotactic. (aston.ac.uk)
  • Miller and co-workers combined acetic anhydride with vanillin - a by-product in the manufacture of paper from lignin - to form the monomer acetyldihydroferulic acid. (rsc.org)
  • Polymerisation of this monomer forms poly(dihydroferulic acid), PHFA, which mimics the structure and thermal properties of PET. (rsc.org)
  • The odontogenic differentiation of human dental pulp stem cells on nanofibrous poly(L-lactic acid) scaffolds in vitro and in vivo. (scielo.br)
  • We have developed a series of NPs based on (bio)degradable and biocompatible poly(malic acid) derivatives, poly(benzyl malate) (PMLABe), with its PEG-grafted stealth analog and target-specific biotin-PEG- b -PMLABe one. (frontiersin.org)
  • Monomers were synthesized from dl -aspartic acid. (frontiersin.org)
  • Thin films poly(L-lactic acid, quasi-PLLA) were successfully synthesized for the first time using a rf plasma polymerization method. (ncl.edu.tw)
  • The vapor of L-lacitic acid monomers was pumped into a rf plasma chamber generated in Ar gas where the monomers polymerized and deposited a thin film on a glass substrate placed between a pair of parallel plate electrodes. (ncl.edu.tw)
  • Now they have found that three-component polymerization of an appropriated combination of a bis(diazocarbonyl) compound, bis(1,3-diketone), and tetrahydrofuran (THF) as monomers yields a new type of polymer structure containing the β-keto enol ether framework in the main chain, which has been known to be readily cleaved with a small amount of acid. (eurekalert.org)
  • Here the monomer molecules are linked together by acid and amine groups at their ends. (open.edu)
  • One is converting CO 2 into monomers for further ring opening or step growth polymerizations, such as lactone, cyclic carbonates, furan-2,5-dicarboxylic acid. (sioc-journal.cn)
  • Bio-PP is the bio-based counterpart of polypropylene (PP). Polypropylene is the second-most widely produced commodity plastic (after polyethylene). (wikipedia.org)
  • A total of 72 acrylic resin specimens were fabricated with poly (methyl methacrylate) resin (Dencor, Artigos Odontológicos Clássico Ltda. (bvsalud.org)
  • Polymerization of tetrafluoroethylene monomer of structure CF 2 =CF 2 yields PTFE ( Teflon ). (open.edu)
  • In reality, a polymer is a long-chained molecule composed of many smaller parts called monomers ('mono' is Greek for one). (firehouse.com)
  • During condensation polymerization a small molecule is eliminated as the monomers join together. (sciencehistory.org)
  • I want to get the latest chemistry news from C&EN in my inbox every week. (acs.org)
  • The phenolic chain-ends of the polymer allowed for post-polymerization modification by silylation and esterification chemistry. (umass.edu)
  • 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)
  • PVC known as Poly Vinyl Chloride is the Full Form Of PVC. (extramarks.com)
  • Vinyl chloride is a monomer that is polymerised to create PVC Full Form. (extramarks.com)
  • This monomer undergoes polymerisation to form the long vinyl chloride polymer that is known as PVC. (extramarks.com)
  • The PVC Full Form is referred to as Poly Vinyl Chloride. (extramarks.com)
  • The PVC Full Form, Poly Vinyl Chloride typically comes in two different forms: rigid (also known as RPVC) and flexible. (extramarks.com)
  • Polymerization can be demonstrated by making a chain using paper clips or by linking many strips of paper together to form a paper garland. (sciencehistory.org)
  • If the monomers not only form straight chains but also form long side chains off the main backbone, the resulting polymer is described as branched and may look like a tree branch or the stems of a bunch of grapes. (sciencehistory.org)
  • This invention is directed to an improved nonwoven product comprising a nonwoven web of fibers bonded together with a sufficient amount of binder comprised of a polymer comprised of vinyl acetate, ethylene, and a crosslinking monomer to form a self-sustaining web. (justia.com)
  • by oxidant APS and surfactant chemical to form nano-precipitation templates which can confine the lattice oriented growth while offering oxidization property for further polymerization. (auburn.edu)
  • Professor Bailey invented a new class of monomers that expand during polymerization, resulting in high-strength adhesives, strain-free composites, and strongly adhering coatings. (nae.edu)
  • The nanocomposite structure at the variation of the laser density and of the MMA monomer flow was studied. (hindawi.com)
  • The MIPs are produced by various polymerization methods but in all cases specifi c interactions, molecular partitioning and polymer structure are key properties that we focus on. (lu.se)
  • However, the density of polyethylene can significantly change with fillers. (wikipedia.org)
  • The average size of cephalexin-loaded particles was around 400 nm and did not depend significantly on the concentrations of drug and monomer. (degruyter.com)
  • Its properties are similar to polyethylene, but it is slightly harder and more heat-resistant. (wikipedia.org)
  • Polypropylene is in many aspects similar to polyethylene, especially in solution behaviour and electrical properties. (wikipedia.org)
  • The central pyridine ring of the repeating unit is either 2,6- or 2,5-substituted, leading to different structural and electronic properties of the monomers. (amrita.edu)
  • Detailed ab initio computations have been performed for the monomers and model oligomers for analyzing their optical and electronic properties. (amrita.edu)
  • We investigate mechanical properties of polymer composites of poly(3-hexylthiophene) (P3HT) and fullerene C 60 using coarse-grained molecular dynamics (CGMD) simulations, where the P3HT monomer unit and C 60 are represented by three CG beads and a single CG bead. (aps.org)
  • The effect of polymerization temperature on the film topography of the plasma films was observed. (ncl.edu.tw)
  • Temperature-induced shrinkage range of the dual responsive hydrogels was higher and broader than that of the conventional poly(N-isopropylacrylamide) hydrogel. (ias.ac.in)