• She developed methods to control the morphology and rheology of polymer blends, and contributed to the understanding of the kinetics and thermodynamics of polymer blends, block / graft copolymers and dynamic vulcanization. (wikipedia.org)
  • Accepted Manuscript Biodegradable poly(3-hydroxybutyrate-co-3-hydroxyvalerate) / thermoplastic polyurethane blends with improved mechanical and barrie. (coek.info)
  • Please cite this article as: Martínez-Abad A, González-Ausejo J, Lagarón JM, Cabedo L, Biodegradable poly(3-hydroxybutyrate-co-3-hydroxyvalerate) / thermoplastic polyurethane blends with improved mechanical and barrier performance, Polymer Degradation and Stability (2016), doi: 10.1016/ j.polymdegradstab.2016.03.039. (coek.info)
  • Examples include the physical blends of thermoplastic olefins ("TPO") such as polypropylene with ethylene-propylene copolymers, and similar blends wherein the ethylene-propylene, or ethylene-propylene-diolefin phase is dynamically vulcanized so as to maintain well dispersed, discrete soft phase particles in a polypropylene matrix. (allindianpatents.com)
  • 7] ALI NEZAMZADEH S, AHMADI Z, AFSHARI TAROMI F. From microstructure to mechanical properties of compatibilized polylactide/thermoplastic starch blends[J]. Journal of Applied Polymer Science, 2017, 134(16): 44734. (cnif.cn)
  • 9] RAEE E, AVID A, KAFFASHI B.Effect of compatibilizer concentration on dynamic rheological behavior and morphology of thermoplastic starch/polypropylene blends [J].Journal of Applied Polymer Science, 2020, 137(22):48742. (cnif.cn)
  • 10] SABETZADEH M, BAGHERI R, MASOOMI M.Effect of oxidized starch on morphology, rheological and tensile properties of low-density polyethylene/linear low-density polyethylene/thermoplastic Oxidized Starch Blends [J].Journal of Polymers and the Environment, 2018, 26(6):2 219-2 226. (cnif.cn)
  • Rosca C., Schuster R. H., Jacobi M. M., Rocha T. L. A. C.: Study on rubber blends: Influence of epoxidation on phase morphology and interphase. (iupac.org)
  • Rusinova E. V.: Compatibility between components of rubber-containing blends and solutions under static conditions and in the mechanical field. (iupac.org)
  • Huang J.J., Keskkula H., Paul D.R.: Elastomer particle morphology in ternary blends of maleated and non-maleated ethylene-based elastomers with polyamides: Role of elastomer phase miscibility. (iupac.org)
  • Miura Nobuhiro, MacKnight William J, Matsuoka Shiro, Karasz Frank E: Comparison of polymer blends and copolymers by broadband dielectric analysis. (iupac.org)
  • You get styrenic block copolymer TPE compounds (TPE-S), Thermoplastic Olefin (TPE-O) compounds which are made with polyolefin (polypropylene), and an elastomer called EPDM. (xyzworkshop.com)
  • The best commercially known class of TPE polymers are the styrenic block copolymers (SBC), typically linear triblock polymers such as styrene-isoprene-styrene and styrene-butadiene-styrene, the latter of which when hydrogenated become essentially styrene-(ethylene-butene)-styrene block copolymers. (allindianpatents.com)
  • Rubber composites filled with SCA-modified silica nanoparticles showed better dynamic mechanical and static properties24,25. (all-heatexchangers.nl)
  • Maria D. Ellul is a retired ExxonMobil materials scientist known for her contributions to and development of commercial polyolefin and polyamide specialty thermoplastic elastomers, and recognized as one of the first prominent women scientists in the rubber industry. (wikipedia.org)
  • She is known for both fundamental and applied contributions to polyolefin and polyamide based thermoplastic elastomer materials. (wikipedia.org)
  • Japanese Early Publication H4-337308 (1992) describes what is said to be a polyolefin copolymer product made by polymerizing propylene first so as to form an isotactic polypropylene and then copolymerizing the polypropylene with ethylene and propylene, both polymerizations in the presence of an organoaluminum compound and a silicon-bridged, biscyclopentadienyl zirconium dihalide compound. (allindianpatents.com)
  • Thermoplastic elastomers are used widely in 3D printing, specifically TPU or thermoplastic polyurethane, and is used to print stoppers, springs, phone cases, and more. (xyzworkshop.com)
  • Multi-wall carbon nanotubes (MWCNTs), graphene nanoplates (GNPs), and hybrid fillers (MWCNTs/GNPs) filled thermoplastic polyurethane (TPU) nanocomposites are prepared via melt mixing. (4spe.org)
  • 2024. "Realizing balanced flame retardancy and electromagnetic interference shielding in hierarchical elastomer nanocomposites. (edu.au)
  • Dielectric elastomers (DEs) can act as deformable capacitors that generate mechanical work in response to an electric field. (calenvirosystems.com)
  • In this work, a processable, high-performance dielectric elastomer (PHDE) with a bimodal network structure is synthesized, and its electromechanical properties are tailored by adjusting cross-linkers and hydrogen bonding within the elastomer network. (calenvirosystems.com)
  • No. 8,715,533B2, for example, discloses a dielectric raw material having carbons dispersed in a silicone rubber base material containing a silicone rubber as a main material. (justia.com)
  • According to this reference, the dielectric raw material can contain 150 to 300 parts by weight of the carbons per 100 parts by weight of the silicone rubber. (justia.com)
  • The dielectric raw material can be formed by crosslinking and molding a mixture of the silicone rubber in its non-crosslinked state, a non-crosslinked organic polymer and the carbons. (justia.com)
  • Softer phase TPE materials generate the rubber-like properties of elongation and dynamic properties and to some extent, tensile strength. (xyzworkshop.com)
  • In tire industry, nano silica is highly used as reinforcing fillers in the rubber compounds to increase their mechanical properties (i.e. tensile strength, modulus, abrasion resistance) and reduce their rolling resistance9,10,11,12,13. (all-heatexchangers.nl)
  • In general, TPE is considered to be a good cost-effective alternative to latex, silicone rubber and polyvinyl chloride (PVC) compounds and its rubber-like properties have led to the replacement of rubber with TPE in many industries and applications. (xyzworkshop.com)
  • The mechanical strength of TPE compounds varies and depends on the hardness of the individual thermoplastic elastomer type. (xyzworkshop.com)
  • Then you get thermoplastic elastomer vulcanizate or TPV compounds that are vulcanized or crosslinked giving them improved resistance to heat deformation and higher compressive strength. (xyzworkshop.com)
  • U.S. Patent 5,391,629 describes thermoplastic elastomer compounds comprising tapered and block linear polymers from ethylene and alpha-olefin monomers. (allindianpatents.com)
  • In this work, vinyltriethoxysilane (VTES) as a low VOC emission coupling agent was used for surface modification of silica nanoparticles to prepare better dispersion in nitrile rubber (NBR) and improve its interfacial interactions to silica nanoparticles. (all-heatexchangers.nl)
  • Dispersion of the modified silica nanoparticles in NBR matrix was studied using field emission scanning electron microscopy and rubber process analysis. (all-heatexchangers.nl)
  • The bound rubber content showed that VTES effectively built a bridge between the silica nanoparticles and the rubber matrix that led to promising mechanical performances and strong interfacial interactions. (all-heatexchangers.nl)
  • However, due to presence of silanol groups (Si-OH) on the surface of silica nanoparticles (SNPs), they have tendency to aggregate in the rubber matrix11,14,15. (all-heatexchangers.nl)
  • This causes poor dispersion of silica nanoparticles in rubber matrix and significantly reduces the performance of the rubber16,17. (all-heatexchangers.nl)
  • Silane coupling agents (SCAs) are of the best modifiers that could reduce the polarity of silica nanoparticles and improve their dispersion in rubber matrix21,22. (all-heatexchangers.nl)
  • SCAs could react chemically to the silanol groups of nano silica to improve nanoparticles dispersion in rubber matrix29,30,31,32. (all-heatexchangers.nl)
  • Raleigh 's work " Cylinder Orientation and Shear Alignment in Thin Films of Polystyrene-Poly(n-hexyl methacrylate) Diblock Copolymers " was published in Macromolecules . (princeton.edu)
  • These copolymers typically are prepared by sequential anionic polymerization or by chemical coupling of linear diblock copolymers. (allindianpatents.com)
  • 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)
  • Enhancing the thermal, electrical, and mechanical properties of silicone rubber by addition of graphene nanoplatelets. (speedmixer.uk)
  • In this study, we investigated the improvement of the thermal and mechanical properties of Vietnam deproteinized natural rubber (DPNR) via graft copolymerization of methyl methacrylate (MMA). (hindawi.com)
  • These showed that graft copolymers were more stable and rigid than DPNR. (hindawi.com)
  • Curing behaviors of the graft copolymers were found to be remarkably better than virgin DPNR. (hindawi.com)
  • Due to the high polarity of MMA, the graft copolymer of NR will have outstanding prospects in the fields of adhesive and conducting polymer materials. (hindawi.com)
  • 4 Multisegmental Block/Graft Copolymers, Constantinos Tsitsilianis. (chemtec.org)
  • However, when heated above the melt temperature or glass transition temperature of the hard block, the polymer flows readily exhibiting thermoplastic behavior. (allindianpatents.com)
  • Zhu S., Paul D.R.: Re-examination of the miscibility behavior of SMMA copolymers using various techniques. (iupac.org)
  • We designed, synthesized, and characterized a tough biodegradable elastomer from biocompatible monomers. (calenvirosystems.com)
  • Lastly, there is thermoplastic elastomer urethane (TPU) based on urethane monomers which are used for outdoor footwear soles. (xyzworkshop.com)
  • The effects of nanofillers on thermal, mechanical and rheological properties were reported, and the obtained results were discussed in terms of morphology, state of dispersion and distribution of the nanofillers within the PP matrix. (degruyter.com)
  • Rubber-like solids with elastic properties are called elastomers. (calenvirosystems.com)
  • Both crosslinking and the hydrogen-bonding interactions between the hydroxyl groups likely contribute to the unique properties of the elastomer. (calenvirosystems.com)
  • The structure of grafted copolymers was characterized by 1 H NMR, FTIR-ATR, and GPC, and thermal properties were investigated through DSC and TGA measurements. (hindawi.com)
  • Thermal and mechanical properties of natural rubber are very important for its applications, since NR products are often exposed under real environmental conditions, including sunlight, UV irradiation, and high temperature. (hindawi.com)
  • A previous article discussed acrylic-based medical copolymers that are designed through extensive R&D to carefully balance properties and performance for healthcare applications. (medicaldesignbriefs.com)
  • They are biphasic materials that possess the combined properties of semi-crystalline thermoplastics and soft elastomers and enable rubbery materials to be processed as thermoplastics. (xyzworkshop.com)
  • Properties of TPE materials are decided by the chemistry and nature of its components and its morphology. (xyzworkshop.com)
  • It contains an elastomer that gives it its elastic properties and another polymer that reinforces its strength. (xyzworkshop.com)
  • Electrorheological elastomers (EREs) are smart elastomers with tunable dynamic properties by applying electric field. (intechopen.com)
  • The quality of the mixing, i.e. the uniformity of the mixture, is a key issue that will determine the morphology and the properties of the resulting compound [1, 2]. (degruyter.com)
  • See, N. R. Legge, "Thermoplastic elastomer categories: a comparison of physical properties", ELASTOMERICS, pages 14-20 (Sept. 1991), and references cited therein. (allindianpatents.com)
  • Elastomers are usually thermosets (requiring vulcanization) but may also be thermoplastic (see thermoplastic elastomer). (calenvirosystems.com)
  • Ellul's research lead to the commercialization of many specialty polymers including Santoprene Thermoplastic Vulcanizates, Exxcore Dynamically Vulcanized Alloys, Vistamaxx, Butyl and EPDM. (wikipedia.org)
  • SEM photomicrographs indicated that rubber droplets were distributed in the PP phase and a reduction of the dispersed EPDM droplet size was observed most likely due to increase in the viscosity of the PP-phase during melt mixing. (degruyter.com)
  • Examples are provided of linear thermoplastic elastomers having hard blocks of high density polyethylene or isotactic polypropylene and soft blocks of ethylene-propylene rubber. (allindianpatents.com)
  • The carbons are unevenly distributed in the silicone rubber base material or in a manner in which at least a portion of the carbons contact each other. (justia.com)
  • EP3546524A1 discloses carbon nanotubes that are employed as a conductive filler to impart conductivity to insulating silicone rubber. (justia.com)
  • The molecular structure of elastomers can be imagined as a 'spaghetti and meatball' structure, with the meatballs signifying cross-links. (calenvirosystems.com)
  • 10 Molecular Brushes - Densely Grafted Copolymers, Brent S. Sumerlin and Krzysztof Matyjaszewski. (chemtec.org)
  • In that role she conducted research on tire materials, adhesion of rubber and Fracture Mechanics. (wikipedia.org)
  • 1 Self-assembly and Morphology Diagrams for Solution and Bulk Materials: Experimental Aspects, Vahik Krikorian, Youngjong Kang, and Edwin L. Thomas. (chemtec.org)
  • Thermoplastic elastomers have many advantages over other materials and so it is no wonder that they are so widely used. (xyzworkshop.com)
  • 3 Statistical, Alternating and Gradient Copolymers, Bert Klumperman. (chemtec.org)
  • She will be synthesizing statistical copolymers of poly(styrene)-poly(hydroxyethylmethacrylate) and grafting these to silicon substrates. (princeton.edu)
  • She is an Associate Editor for the scientific journal Rubber Chemistry & Technology. (wikipedia.org)
  • Because they can be processed using conventional thermoplastic machinery, they are an attractive material to use across different industries. (xyzworkshop.com)
  • These types of copolymers can be useful as thermoplastic elastomer ("TPE") compositions due to the presence of "soft" (elastomeric) blocks connecting "hard" (crystallizable or glassy) blocks. (allindianpatents.com)
  • Adam gave a talk on "Thermoplastic Elastomers with Crystallization-Driven Network Formation from Single-Phase Melts. (princeton.edu)
  • Soft robots exhibit continuum body motion, large-scale deformation, and relatively high compliance compared to traditional rigid-bodied robots.1 Such characteristics give this class of robots advantages like the ability to mitigate uncertainty with passive compliance,2 perform highly dexterous tasks,3 and exhibit resiliency.4 This work provides a recipe for designing and fabricating soft fluidic elastomer actuators and robotic systems. (calenvirosystems.com)
  • In short, TPE is a polymer material that has the characteristics of thermoset vulcanized rubber and thermoplastic. (xyzworkshop.com)
  • TPE has the high elasticity of thermoset vulcanized rubber at room temperature and good processability of thermoplastic at higher temperatures. (xyzworkshop.com)
  • The glass transition temperature (Tg) of the typical SBC TPE is equal to or less than about 80-90°C, thus presenting a limitation on the utility of these copolymers under higher temperature use conditions. (allindianpatents.com)
  • Her goal is to determine the factors which influence the thickness of the resulting grafted copolymer film. (princeton.edu)
  • 15 Bio-inspired Complex Block Copolymers/Polymer Conjugates and Their Assembly, Markus Antonietti, Hans G. Börner, and Helmut Schlaad. (chemtec.org)
  • Will presented a poster on "Melt-Miscible Block Copolymers Containing Polyethylene. (princeton.edu)
  • So Youn 's paper " Large-Area Nanosquare Arrays from Shear-Aligned Block Copolymer Thin Films " was published in Nano Letters . (princeton.edu)
  • Rick gave an invited talk on "Crystallizable Block Copolymers: Directing Crystallization via Polymer Architecture" while the students presented posters of their most recent work. (princeton.edu)
  • There Raleigh presented on "Factors Influencing Shear Alignment of Cylinder-Forming Block Copolymer Thin Films. (princeton.edu)
  • Without the requirement of large-sized electromagnetic coils, the smart devices based on EREs have simpler structures than those based on magnetorheological (MR) elastomers. (intechopen.com)
  • This also contributes to the sustainable management of natural resources by the development of highly functional polymers based on natural rubber and furthermore boots Vietnam's rubber industry [ 2 ]. (hindawi.com)
  • For examples of how this advanced elastomer can work for you, explore our Solutions for the Chemical Processing Industry. (calenvirosystems.com)
  • According to US20100308279A1, conductive silicone elastomers are prepared using carbon nanotubes in individual form or in the form of aggregates having a macromorphology resembling the shape of a cotton candy, bird nest, combed yarn or open net. (justia.com)
  • Foremost, polymer mechanical response to applied mechanical stress or strain depends on its chemical structure and morphology during polymer processing. (medicaldesignbriefs.com)
  • Leah will be working with Raleigh to study the parameters which dictate the thickness of grafted copolymer thin films. (princeton.edu)
  • A case study on chemical resistance testing of CYROLITE acrylic-based medical copolymers is presented following these key considerations against various chemical agents. (medicaldesignbriefs.com)
  • If you take a look around your home or your local supermarket, chances are you will come into contact with products made out of thermoplastic elastomers. (xyzworkshop.com)
  • Insertion, or coordination, polymerization of olefins can provide economically more efficient means of providing copolymer products, both because of process efficiencies and feedstock cost differences. (allindianpatents.com)
  • This highly fluorinated elastomer easily handles amines, ketones, and hydrofluoric acid for static applications in temperatures ranging from -76F (-60C) to 450F (232C). (calenvirosystems.com)
  • Due to repeated shear rate exposure, a decrease in volume resulting from unavoidable water loss informed the observable increase in apparent viscosity and suggested that this increasing trend was not caused by a change in material morphology. (4spe.org)