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1,962 Newest Publications about the topic elongation

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Effect of filler addition and weathering conditions on the performance of PVC/CaCO3 composites

18-Mar-2015 | Noamen Guermazi, Nader Haddar, Khaled Elleuch, H. Ferid Ayedi, Polymer Composites, 2015

This study deals with the effects of calcium carbonate (CaCO3) fillers and hygrothermal aging on the performance of polyvinylchloride (PVC). The properties of the PVC/CaCO3 composite were studied before and after aging in water up to 3 months at 24°C ± 3°C, 70°C, and 90°C. In terms of fillers ...

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Tribenzotriquinacene‐Based Triscyclophanes: Intra‐ and Inter‐Wing C3v‐Symmetrical Extension of the Bowl‐Shaped Tribenzotriquinacene Core

17-Mar-2015 | Ehsan Ullah Mughal, Beate Neumann, Hans‐Georg Stammler, Zhi‐Min Li, Jun Wei, Dietmar Kuck, Xiaoping Cao, European Journal of Organic Chemistry, 2015

Abstract The syntheses and structural properties of novel triscyclophanes that bear the rigid, bowl‐shaped tribenzotriquinacene (TBTQ) core are reported. Condensation of the 2,3,6,7,10,11‐hexakis(chloromethyl) derivative with catechols and 1,2‐benzenedithiol gives rise to elongation of the ...

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Intermediate Electrostatic Field for the Generalized Elongation Method

12-Mar-2015 | Kai Liu, Jacek Korchowiec, Yuriko Aoki, ChemPhysChem, 2015

Abstract An intermediate electrostatic field is introduced to improve the accuracy of fragment‐based quantum‐chemical computational methods by including long‐range polarizations of biomolecules. The point charge distribution of the intermediate field is generated by a charge sensitivity ...

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Materials, Vol. 8, Pages 992-1008: Polypropylene Biocomposites with Boron Nitride and Nanohydroxyapatite Reinforcements

10-Mar-2015 | Chan, Kai Wang; Wong, Hoi Man; Yeung, Kelvin Wai Kwok; Tjong, Sie Chin, Materials, 2015

In this study, we develop binary polypropylene (PP) composites with hexagonal boron nitride (hBN) nanoplatelets and ternary hybrids reinforced with hBN and nanohydroxyapatite (nHA). Filler hybridization is a sound approach to make novel nanocomposites with useful biological and mechanical ...

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Cortisol Is Not Associated with Telomere Shortening or Chromosomal Instability in Human Lymphocytes Cultured under Low and High Folate Conditions

06-Mar-2015 | Caroline Bull et al., PLoS ONE, 2015

by Caroline Bull, Helen Christensen, Michael Fenech Chronic psychological stress and nutritional deficiencies are factors that impact negatively on human health and disease risk. Chronic stress has been associated with accelerated leukocyte telomere shortening in numerous cohorts, however, a ...

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Miscible crystalline/crystalline polymer blends of polyoxymethylene copolymer/poly(ethylene oxide) with interpenetrated spherulites and enhanced properties

06-Mar-2015 | Shibing Bai, Qi Wang, Journal of Vinyl and Additive Technology, 2015

Miscibility and crystallization behavior of a polymer blend consisting of two crystalline components, polyoxymethylene copolymer (Co‐POM) and poly(ethylene oxide) (PEO), have been investigated. Experimental results indicate that Co‐POM is thermodynamically miscible with PEO, as shown by the ...

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Mechanical, thermal, and morphological properties of (eggshell powder)‐filled natural rubber latex foam

06-Mar-2015 | Amal S.M. Bashir, Yamuna Manusamy, Thiam Leng Chew, Hanafi Ismail, Shamala Ramasamy, Journal of Vinyl and Additive Technology, 2015

Eggshell (ES) waste is available in a huge quantity and has been listed worldwide as one of the worst environmental problems. This study aimed to use, for the first time, ES powder (ESP) as filler in natural rubber latex foam (NRLF). Tensile strength of NRLF incorporated with ESP initially drops ...

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Phase morphology, thermomechanical, and crystallization behavior of uncompatibilized and PP‐g‐MAH compatibilized polypropylene/polystyrene blends

05-Mar-2015 | Jyotishkumar Parameswaranpillai, George Joseph, Seno Jose, Nishar Hameed, Journal of Applied Polymer Science, 2015

ABSTRACT In this article, we discuss the phase morphology, thermal, mechanical, and crystallization properties of uncompatibilized and compatibilized polypropylene/polystyrene (PP/PS) blends. It is observed that the Young's modulus increases, but other mechanical properties such as tensile ...

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Synthesis and characterization of biodegradable polyurethanes with unsaturated carbon bonds based on poly(propylene fumarate)

04-Mar-2015 | Bin Hu, Chen Ye, Changyou Gao, Journal of Applied Polymer Science, 2015

ABSTRACT The segmented polyurethanes synthesized from biodegradable polyesters are very promising and widely applicable because of their excellent physiochemical properties. Poly(propylene fumarate) (PPF), a kind of linear aliphatic unsaturated and biodegradable polyesters, has been well ...

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Visualizing Attack of Escherichia coli by the Antimicrobial Peptide Human Defensin 5

02-Mar-2015 | Haritha R. Chileveru; Shion A. Lim; Phoom Chairatana; Andrew J. Wommack; I-Ling Chiang; Elizabeth M. Nolan, Biochemistry, 2015

Human α-defensin 5 (HD5) is a 32-residue cysteine-rich host-defense peptide that exhibits broad-spectrum antimicrobial activity and contributes to innate immunity in the human gut and other organ systems. Despite many years of investigation, its antimicrobial mechanism of action remains unclear. ...

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