PolymersBlendsBehaviorCopolymersCompositesDiscussed in terms of morphologyPolyurethaneNanocompositeNanocompositesVulcanizateSurface MorphologyDispersionOlefinCrystallineExtrusionSemicrystallineTransmission electron mPolypropyleneCompoundsAmideCharacteristicsParticlesMechanical propertiesConventionalPropertiesMaterialsBlendChainsFootwearModifierMixtureIncreasingTemperatureStructureHighMadeStructuresRubber
Polymers8
- Dynamic mechanical analysis is a useful technique for characterizing the mechanical properties of all kinds of materials, particularly polymers or polymer-based products such as thermoplastics, thermosets, elastomers, adhesives, paints and coatings, films and fibers, as well as composites. (anton-paar.com)
- The polymers were analyzed by IR and DSC, the morphology studied by TEM, the mechanical properties studied by DMTA and the tensile, the elastic properties by compression and tensile set and thermal stability by melt rheology. (tue.nl)
- Although active in a diverse range of disciplines, his primary research interests relate to the phase behavior and morphology/property development of nanostructured polymers, polymer nanocomposites and coatings, electron microscopy and stimuli-responsive soft materials. (rubber.org)
- This material too becomes brittle as a result of the production process and hence loses the tough, elastic properties that are typical of PP. The reasons for this are to be found in the morphology of the polymers in conjunction with the production method. (justia.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)
- The semicrystalline morphologies of these polymers had some similarities to other low-hard-segment segmented elastomers. (utwente.nl)
- Elastomer particle size and distribution is associated with mixing degree, screw the shearing action of big, system mixing effect will be better, at the same time is closely related with the size of the compatibility of two polymers. (csssld.com)
- The chemical formula and morphology of the polymers are also important. (thesciencetech.com)
Blends8
- Thermoplastic vulcanizate (TPV) nanocomposites based on 60/40 (%wt) natural rubber (NR)/polypropylene (PP) blends were prepared by melt blending in an internal mixer. (degruyter.com)
- However, the addition of nanoclay offered an improvement in oil and thermal resistances due to a combined effect of the clay dispersion and improved morphology of NR and PP blends. (degruyter.com)
- Maiti , M. , Bandyopadhyay , A. and Bhowmick , A. K. , " Preparation and Characterization of Nanocomposites Based on Thermoplastic Elastomers from Rubber-Plastic Blends ", J. Appl. (degruyter.com)
- 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)
- Relationship Between Rheology, Morphology and Foamability of Thermoplastic Olefin (TPO) Blends [Ph.D. thesis, École Polytechnique de Montréal]. (polymtl.ca)
- Phase Morphology Development and Rheological Behavior of Non-Plasticized and Plasticized Thermoplastic Elastomer Blends [Ph.D. thesis, École Polytechnique de Montréal]. (polymtl.ca)
- 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)
Behavior4
- Here, we describe the high friction behavior (COF ~ 0.5) of a new class of textured elastomer fiber composites made using a facile fabrication method of cutting and rearranging molded composites. (4spe.org)
- It was concluded that the morphology of these complex architectures is governed by the behavior of the corresponding miktoarm star copolymer associated with each branch point (constituting block copolymer), which follows Milner's theoretical treatment for miktoarm stars. (edu.sa)
- For certain compositions thermoplastic elastomer (TPE) behavior was observed, and in many instances the elongation at break was much higher (2-3X) than that of conventional triblock TPEs. (edu.sa)
- However, when heated above the melt temperature or glass transition temperature of the hard block, the polymer flows readily exhibiting thermoplastic behavior. (allindianpatents.com)
Copolymers5
- The morphologies of the various graft copolymers were investigated by transmission electron microscopy and X-ray scattering. (edu.sa)
- Thermoplastic elastomers have commonly been produced by forming triblock and multiblock copolymers. (allindianpatents.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)
- UCy-containing random copolymers showed various advantages for applications as adhesives and thermoplastic elastomers compared to the cytosine copolymers, including superior cohesive strength, higher thermal stability, wider service temperature window, and lower moisture uptake. (elsevierpure.com)
- Crystalline Carbosilane-Based Block Copolymers: Synthesis by Anionic Polymerization and Morphology Evaluation in the Bulk State. (leibniz-inm.de)
Composites4
- These fibrous TPU composites have uniformly distributed surface protrusions that are capable of penetrating and interlocking with an ice substrate underneath resulting in static COF that are 4- 7X higher the TPU elastomer by itself. (4spe.org)
- Strong potential applications of such textured elastomer composites exist for winter safety applications such as footwear and tires. (4spe.org)
- M. Yasar, H. Celebi, and G. Bayram, "Role of formulation additives on the properties of thermoplastic polyether ester elastomer-based and carbon fabric-reinforced multilayer composites," Journal of Thermoplastic Composite Materials , pp. 0-0, 2022, Accessed: 00, 2022. (metu.edu.tr)
- In the second approach, conductive thermoplastic composites were produced by means of twin screw extrusion followed by injection moulding. (uwaterloo.ca)
Discussed in terms of morphology1
- 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)
Polyurethane1
- 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)
Nanocomposite1
- Property and morphology development in nanocomposite thermoplastic elastomer gels. (mpg.de)
Nanocomposites2
- The permanent set of the NR/PP/Clay TPV nanocomposites was well maintained at the acceptable level as elastomer. (degruyter.com)
- Morphology and Properties of Poly(Ethylene Terephthalate)/Clay Nanocomposites [Ph.D. thesis, École Polytechnique de Montréal]. (polymtl.ca)
Vulcanizate1
- 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)
Surface Morphology1
- A solution-cast UCy-containing copolymer film exhibited a more well-defined surface morphology with nano-fibrillar hard domains compared to the cytosine control. (elsevierpure.com)
Dispersion2
- Due to poor compatibility of POM and elastomer, so the POM and elastomer blend system are two phase structure, dispersion in POM toughening body continuous phase. (csssld.com)
- This is largely due to the improved dispersion with less agglomeration of fillers with retained morphology that maximized the filler effects. (uwaterloo.ca)
Olefin2
- A thermoplastic elastomer is provided comprising a branched olefin polymer having crystalline sidechains and an amorphous backbone wherein at least 90 mole percent of the sidechains are isotactic or syndiotactic polypropylene and at least 80 mole percent of the backbone is atactic polypropylene. (allindianpatents.com)
- 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)
Crystalline1
- 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)
Extrusion2
- Extrusion-gonflage de films de polyéthylène en mousse pour application à une géomembrane : détermination des paramètres optimaux du procédé [Master's thesis, École Polytechnique de Montréal]. (polymtl.ca)
- Extrusion is when the melted thermoplastic elastomer is pushed through a die of a specific shape to make a shaped product like foams or tubes. (xyzworkshop.com)
Semicrystalline1
- The result is regions having semicrystalline morphology that are characterized by a high level of order. (justia.com)
Transmission electron m2
- Morphology characterization observed by X-ray diffraction (XRD), transmission electron microscopy (TEM) and 3D microfocus X-ray computerized tomography showed that the dynamic vulcanization with nanoclay addition changed the blend morphology from a co-continuous-like structure to droplet-like phase one, and the clay remained within NR phase in intercalated and aggregated forms. (degruyter.com)
- The resulting morphology in the bulk state is investigated by transmission electron microscopy (TEM) and small-angle X-ray scattering (SAXS) revealing the intended hexagonal cylindrical morphology. (bsz-bw.de)
Polypropylene3
- Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. (wikipedia.org)
- 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)
- Polypropylene, (C 3 H 6 ) n (PP) is a well-known thermoplastic. (ncsu.edu)
Compounds1
- The mechanical strength of TPE compounds varies and depends on the hardness of the individual thermoplastic elastomer type. (xyzworkshop.com)
Amide2
- The linear poly(ether bisurethane-bisurea-amide)s (PUA) were colorless transparent thermoplastic elastomers with a high molecular weight. (tue.nl)
- The crystal morphological properties of segmented poly(ether ester aramide) elastomers with aromatic hard-segment amide units of uniform length were studied. (utwente.nl)
Characteristics2
- When processed by additive manufacturing methods, the thermoplastic materials used lose their known specific characteristics. (justia.com)
- In short, TPE is a polymer material that has the characteristics of thermoset vulcanized rubber and thermoplastic. (xyzworkshop.com)
Particles2
- In general elastomer particles in 0. (csssld.com)
- the fracture morphology of impact fracture with sem study showed that pure POM and TPU content lower than 30% of the POM/TPU alloy was brittle fracture, fracture samples show that smooth, TPU particles exposed at the surface, but when the TPU content higher than 30%, the fracture shows that rough, the ductile fracture, with TPU modified POM just improved the toughness of POM at room temperature. (csssld.com)
Mechanical properties1
- and the samples were characterized in terms of morphology, density and porosity to relate with mechanical properties (tensile, flexion, impact and hardness). (4spe.org)
Conventional2
- Because they can be processed using conventional thermoplastic machinery, they are an attractive material to use across different industries. (xyzworkshop.com)
- Based on the results of this study, it is confirmed that the incorporation of right selected nanoclay into NBR matrix offers increased mechanical and thermal strengths and barrier properties over conventional virgin elastomer. (ripi.ir)
Properties4
- The book emphasizes interdisciplinary research on processing, morphology, structure, and properties as well as applications in packaging of food and industrial products. (routledge.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)
- 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)
Materials6
- 10°C). As a result, ice is a very slippery, self-lubricating substance on which most materials, thought to give high traction (e.g. elastomers), cannot achieve high coefficients of friction (COF ~ 0.1). (4spe.org)
- In 1992, he accepted a faculty position at North Carolina State University, where he supervises the Macromolecular Materials & Morphology Group. (rubber.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)
- In order to overcome these drawbacks two research lines have been set up: blending thermoplastic starch with biobased reinforcements from agricultural wastes like barley straw and grape wastes, and testing the foamability of these materials with a Microwave-foaming method. (4spe.org)
- Elastomers can be described as materials that are elongated when the force is applied at room temperature and when the force applied at room temperature can be restored (such as the package tire). (thesciencetech.com)
Blend1
- The experimental results indicated that the nanoclay had a positive effect on improving the 60/40 NR/PP blend morphology, which provided a little benefit to strength of the TPVs. (degruyter.com)
Chains1
- If the intermolecular forces are small, the bond energies are low and there are flexible chains in the molecules, the polymer shows elastomer. (thesciencetech.com)
Footwear1
- Lastly, there is thermoplastic elastomer urethane (TPU) based on urethane monomers which are used for outdoor footwear soles. (xyzworkshop.com)
Modifier2
- This suggested that nanoclay worked as a kind of morphology modifier during dynamic vulcanization. (degruyter.com)
- As impact modifier of POM, there are mainly elastomer and thermoplastic elastomer. (csssld.com)
Mixture2
- In this thesis, graphene is incorporated into polymer matrices via two distinct fabrication approaches: (I) infiltration of a three-dimensional filler matrix with elastomer mixture and (II) compounding by twin screw extruder, followed by injection moulding. (uwaterloo.ca)
- This filler matrix is then subsequently infiltrated with elastomer mixture. (uwaterloo.ca)
Increasing1
- Dynamic mechanical analysis also showed a decrease in the damping factor, tan δ of composite samples compared to neat elastomer, indicating the less dissipation heat production in each cycle and hence increasing fatigue life of the samples. (ripi.ir)
Temperature1
- TPE has the high elasticity of thermoset vulcanized rubber at room temperature and good processability of thermoplastic at higher temperatures. (xyzworkshop.com)
Structure3
- are many factors that affect elastomer toughening in the process of POM, such as toughening agent structure, particle size and distribution, especially the elastomer and the compatibility of POM in different extent influence of elastomer toughening effect. (csssld.com)
- Elastomer or thermoplastic elastomer toughening role due to the different molecular structure and its size is different also, choose what kind of toughening agent is mainly composed of use requirement to decide. (csssld.com)
- Word formation is a branch of morphology, which is the study on the structure and form of words. (grin.com)
High1
- Products produced by elastomers have a very high stretching rate. (thesciencetech.com)
Made2
- The band is made of thermoplastic elastomer and has the same soft feel as the infinite bands found in Fitbit devices. (digitallifecentral.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)
Structures1
- Bifunctional Carbanionic Synthesis of Fully Bio-Based Triblock Structures Derived from β-Farnesene and ll-Dilactide: Thermoplastic Elastomers. (leibniz-inm.de)
Rubber2
- Abdou-Sabet , S. , Puydak , R. C. and Rader , C. P. , " Dymanically Vulcanized Thermoplastic Elastomers ", Rubber Chem. (degruyter.com)
- Thermoplastic Vulcanizates from Various Rubber-Plastic Combinations ", Rubber Chem. (degruyter.com)