Why tanδ of poly (butyl acrylate) and poly (ethyl acrylate) with little double bonds are becoming asymmetric?

Zhang, Rui; He, Xianru; Yu, Haibin

doi:10.1016/j.polymer.2014.07.016

Cited by 17 publications

(15 citation statements)

References 35 publications

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“…In agreement with mechanical properties showed before (see Figure ), the storage modulus ( G ′) also increases with the content of GO/SiO 2 hybrid particles, see Figure (a). G ′ (at glasses state for plastics use and high elastic state for rubber use) has always been utilized to estimate the elasticity of polymer materials . Herein we used latter one, so‐called rubber elastics.…”

Section: Resultsmentioning

confidence: 99%

Reinforcement of the mechanical properties in nitrile rubber by adding graphene oxide/silicon dioxide hybrid nanoparticles

Zhang

Wang

et al. 2017

J of Applied Polymer Sci

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Graphene oxide (GO) and silicon dioxide (SiO 2 ) nanoparticles have been hybridized for improving the mechanical and dynamic mechanical properties of nitrile rubber (NBR). SiO 2 nanoparticles were homogeneously dispersed on the surface and between layers of GO, and the new hybrid nanoparticles formed (GO/SiO 2) had better thermal stability than GO. To evaluate the mechanical properties, GO/SiO 2 /NBR nanocomposites were prepared by solution blending and mechanical solution methods. It was observed that tensile strength increased in a larger grade in GO/SiO 2 /NBR nanocomposites than that in GO/NBR and SiO 2 /NBR nanocomposites, while the elongation at break only changes smoothly. Moreover, dynamics measurements also indicated that the elasticity increased after adding GO/SiO 2 hybrid nanoparticles in NBR. From morphology's analysis of GO/SiO 2 /NBR and GO/NBR nanocomposites, it is was conclude that the hybridization of the GO/SiO 2 was the determining factor for the reinforcement of the mechanical properties and elasticity of the NBR.

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Section: Resultsmentioning

confidence: 99%

Reinforcement of the mechanical properties in nitrile rubber by adding graphene oxide/silicon dioxide hybrid nanoparticles

Zhang

Wang

et al. 2017

J of Applied Polymer Sci

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“…The data of the PS/CIIR blend [85] showed that the slower processes were almost suppressed when the PS content was 90 wt%. The dynamics in copolymers are as interesting as in blends, [86,87] but are rarely studied.…”

Section: Diluted and Blended Systemsmentioning

confidence: 99%

A review of the slow relaxation processes in the glass–rubber transition region of amorphous polymers

Zhang

Huang

2015

Phase Transitions

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This article is a review that introduces several articles about slow relaxation processes, also known as slower segmental dynamics. According to the literature, the coupling effect and free volume holes are two important elements for slower micro-dynamics. In addition, the slower processes of many-body systems (blend and diluted systems) are summarised. A good numerical method for detecting multiple modes in the glassÀrubber transition region is introduced.

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“…Polyacrylate materials are well known for their excellent damping properties for plenty of polar ester groups [10,11] and PBMA has an excellent adhesion property, with its macromolecular chain having many branched chains, which can effectively increase internal friction and improve damping properties. A great efforts have been devoted to broaden the effective damping temperature range of acrylic polymers, including co-polymers, interpenetrating polymer networks (IPN), and blends [12,13,14]. One of the most important ways is blends consisting of adding filler with modifications.…”

Section: Introductionmentioning

confidence: 99%

Damping Analysis of Some Inorganic Particles on Poly(butyl-methacrylate)

et al. 2018

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Viscoelastic polymers can be used as damping materials to control unexpected vibration and noise through energy dissipation. To investigate the effect of an inorganic filler on damping property, a series of inorganic particles, Ferriferous oxide(Fe3O4), Graphene/Fe3O4(GF), and Fe3O4 of demagnetization(α-Fe2O3) were incorporated into poly(butyl-methacrylate) (PBMA). The effects of the dispersion of particles, as well as the interaction between particles and the PBMA matrix on the damping property of composites, were systematically studied. Results revealed that the addition of three types of particles can effectively improve the damping properties and broaden the effective damping temperature range. Dispersion of α-Fe2O3 in the PBMA matrix is better than that of Fe3O4. As a result, the damping peak can be increased more. The interaction between GF and the PBMA matrix is stronger than that between Fe3O4 and the PBMA. The damping peak of the composites can be suppressed by GF, which is opposite to Fe3O4 and α-Fe2O3. In addition, glass transition temperature (Tg) of all composites in the study shifted to low temperatures.

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Why tanδ of poly (butyl acrylate) and poly (ethyl acrylate) with little double bonds are becoming asymmetric?

Cited by 17 publications

References 35 publications

Reinforcement of the mechanical properties in nitrile rubber by adding graphene oxide/silicon dioxide hybrid nanoparticles

Reinforcement of the mechanical properties in nitrile rubber by adding graphene oxide/silicon dioxide hybrid nanoparticles

A review of the slow relaxation processes in the glass–rubber transition region of amorphous polymers

Damping Analysis of Some Inorganic Particles on Poly(butyl-methacrylate)

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