Polymer blends
Quantifi cation of Aerospace Polymer Blends by Thermogravimetric Analysis and Infrared Spectrometry
... in polymer blends has been increasing during the last decades, especially in aeronautical, automotive, electronics, packaging, construction and household items (Luna et ...EPDM/EVA blends, but ...
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Effects of the biodegradation on biodegradable polymer blends and polypropylene
... In this work, the blends were prepared using biodegradable polymers such as PHB-V or PCL (80wt%) and PP (20wt%) (homopolymer and copolymer) as synthetic polymer in a internal mixer (To[r] ...
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Polímeros vol.27 número4
... The oligoester, the block copolymers and the polymer blends under the conditions of the thermogravimetric analysis presented two main weight losses (Figure 4). The polystyrene presented only one sharp ...
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Mat. Res.
... of polymer blends produced with the main polymers present in ...HIPS-100%, blends were processed by extrusion and injection of specimens with tensile test ...
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Ana Paula Adama , José Victor Rebecchi Valle Gonçalvesa , Luiz Carlos Robinson
... of polymer blends produced with the main polymers present in ...HIPS-100%, blends were processed by extrusion and injection of specimens with tensile test ...
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Mat. Res. vol.19 número4
... Membranes for fuel cell applications were prepared using two polymer blends: poly(vinyl alcohol) (PVAL) and chitosan (CS), 80/20 (w/w) and 60/40 (w/w) with and without nylon. Sulfosuccinic acid (SSA) was ...
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Polímeros vol.23 número5
... IR polymer blends and possible interactions caused by the use of organic solvent using Fourier Transformed Infrared spectroscopy (FTIR), as well as investigate about the influence of IR proportion over ...
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Polímeros vol.15 número2
... of polymer blends can not only bring the production cost of (R)-PHB based “eco-materials” to a level competitive with oil-based commodity polymers (calculating production and disposal), but it is also an ...
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Polímeros vol.22 número5
... multiphase polymer blends depend largely on the resulting morphologies, SEM analysis was employed to identify the phase structure of the ...binary blends and PLA/PE/E-GMA and PLA/PE/EMA-GMA ternary ...
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Braz. J. Phys. vol.36 número4A
... a polymer blend or a ternary polymer solution (with a good ...In polymer blends case, it was found that the force decreases with separation L between the two plates as L −4 , with a known ...
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Ana Carolina Ferreira1 , Milton Faria Diniz2 and Elizabeth da Costa Mattos 1,2
... of polymer blends, often a simple identification of each one of the existing polymers in the blend does not justify the material failure since different amounts of each component may result in different ...
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LAOS characterization of polymer modified bitumens
... The degree of swelling is a quantifier of the degree of compatibility between polymer and bitumen. However neither absence of miscibility or total miscibility are desired. What is desired is an intermediate ...
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J. Braz. Chem. Soc. vol.26 número8
... TPS/PLA blends, with free or grafted MA in the blend composition, showed higher strain than the blends without MA suggesting that: (i) the free MA acts as a plasticizer; and (ii) the grafted MA acts as a ...
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MATERIAL AND METHODS Polymer matrix
... However, more content of coupling agent is probably required to reduce water absorption and increase fl exural and tensile strengths. The result is reasonably consistent with Adhikary et al. (2008) on the measurement of ...
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Effect of surfactant on PDLC films with and without permanent memory effect
... The situation changed dramatically is 1981 when Fergason disclosed novel electro-optical effects in a polymer dispersed liquid crystal system. The films were made by emulsifying a nematic liquid crystal into an ...
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Polímeros vol.25 número3
... revulcanized blends based on GTR devulcanized by microwaves (under different exposure times) and HDPE were analyzed by different ...the blends, which resulted into poor mechanical properties, especially in ...
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Polymer brushes under high load.
... three polymer systems studied (see Materials and Methods for data ...density, polymer brush systems, including polystyrene in toluene, exhibit a higher power law at higher compressions [1,36–38], but a ...
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Biodegradability of diesel and biodiesel blends
... diesel blends mainly focused on the water conta- mination (Zhang et ...biodiesel/diesel blends are more easily and faster bio- degraded than diesel ...
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The Chemical Volatiles (Semiochemicals) Produced by Neotropical Stink Bugs (Hemiptera: Pentatomidae)
... ABSTRACT - In recent years the growing concern about environmental changes and how we are using the natural resources have triggered a search for natural products as alternatives to synthetic pesticides. The stink bugs ...
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The technology of polymer recycling.
... Os polímeros são considerados os grandes vilões ambientais, pois podem demorar séculos para se degradar e ocupam grande parte do volume dos aterros sanitários, interferindo de forma nega[r] ...
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