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521 Newest Publications about the topic vinyl acetate

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Gamma radiation aging of EVA/EPDM blends: Effect of vinyl acetate (VA) content and radiation dose on the alteration in mechanical, thermal, and morphological behavior

19-Jan-2018 | Bhuwanesh Kumar Sharma, Kumar Krishnanand, P.A. Mahanwar, K.S.S. Sarma, Subhendu Ray Chowdhury, Journal of Applied Polymer Science, 2018

ABSTRACT A series of ethylene vinyl acetate (EVA)/ethylene‐propylene diene elastomer (EPDM) blends (50/50 ratio) with four types of EVAs were prepared using brabender type batch mixer followed by compression molding. All compression‐molded samples were exposed to gamma radiation at 500, 1000, ...

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Monitoring of the discoloration on γ‐irradiated PE and EVA films to evaluate antioxidant stability

18-Jan-2018 | Fanny Gaston, Nathalie Dupuy, Sylvain R. A. Marque, Didier Gigmes, Samuel Dorey, Journal of Applied Polymer Science, 2018

ABSTRACT γ‐Irradiated films could provoke unexpected interaction with proteins for instance just after irradiation and not necessarily after 12 months indicating there is no more reactive species. The optical properties of two multilayer films [polyethylene (PE)/ethylene vinyl alcohol ...

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Design of Hydroxy-Functionalized Thermoresponsive Copolymers: Improved Direct Radical Polymerization of Hydroxy-Functional Vinyl Ethers

23-Oct-2017 | Shinji Sugihara; Ayano Yoshida; Satoshi Fujita; Yasushi Maeda, Macromolecules, 2017

The improved synthesis and aqueous solution properties of hydroxy-functional vinyl ether (OH-VE) copolymers with lower critical solution temperatures (LCST) in water are presented. A series of OH-VE copolymers were directly prepared by free radical polymerization. Effects of water and comonomers ...

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Lipase‐Catalyzed Kinetic Resolution of N‐Substituted 1‐(β‐Hydroxypropyl)indoles by Enantioselective Acetylation

29-Sep-2017 | Paweł Borowiecki, Maciej Dranka, Zbigniew Ochal, European Journal of Organic Chemistry, 2017

A new, concise, and efficient route towards both antipodes of N‐(β‐hydroxypropyl)indoles is described. The key step is an enantioselective lipase‐mediated acetylation of racemic indolic alcohols [1‐(1H‐indol‐1‐yl)propan‐2‐ol, 1‐(2‐methyl‐1H‐indol‐1‐yl)propan‐2‐ol, and ...

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Lipase‐Catalyzed Kinetic Resolution of N‐Substituted 1‐(β‐Hydroxypropyl)indoles by Enantioselective Acetylation

29-Sep-2017 | Paweł Borowiecki, Maciej Dranka, Zbigniew Ochal, European Journal of Organic Chemistry, 2017

A new, concise, and efficient route towards both antipodes of N‐(β‐hydroxypropyl)indoles is described. The key step is an enantioselective lipase‐mediated acetylation of racemic indolic alcohols [1‐(1H‐indol‐1‐yl)propan‐2‐ol, 1‐(2‐methyl‐1H‐indol‐1‐yl)propan‐2‐ol, and ...

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Wearable Sweatband Sensor Platform Based on Gold Nanodendrite Array as Efficient Solid Contact of Ion-Selective Electrode

22-Sep-2017 | Shuqi Wang; Yongjin Wu; Yang Gu; Tie Li; Hui Luo; Lian-Hui Li; Yuanyuan Bai; Lili Li; Lin Liu; Yudong Cao; Haiyan Di ..., Analytical Chemistry, 2017

As chemical sensors are in great demand for portable and wearable analytical applications, it is highly desirable to develop an all-solid-state ion-selective electrode (ISE) and reference electrode (RE) platform with simplicity and stability. Here we propose a wearable sensor platform with a new ...

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Acyl Donors and Additives for the Biocatalytic Friedel–Crafts Acylation

19-Sep-2017 | Nina G. Schmidt, Wolfgang Kroutil, European Journal of Organic Chemistry, 2017

The Friedel–Crafts acylation is a broadly applied reaction that can be conducted using various types of catalyst. However, a biocatalytic alternative has only been reported recently. In this study, the scope of acetyl donors is described, showing that, in addition to vinyl acetate derivatives, ...

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Preparation and characterization of a red luminescent composite composed of EVA copolymer and Y3BO6:Eu3+ phosphor

13-Sep-2017 | Anthony CHAPEL; Rachod Boonsin; GENEVIEVE CHADEYRON; Damien Boyer; Angelique Bousquet; Rachid Mahiou; Wellington Hen ..., New Journal of Chemistry, 2017

This work described the preparation of red luminescent composites based on an ethylene/vinyl acetate (EVA) copolymer filled with a Y3BO6:Eu3+ phosphor powder. The luminescent powders were synthesized by a method derived from Pechini synthesis method. The powders were then homogeneously dispersed ...

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Mechanical Modifications of Paraffin‐based Fuels and the Effects on Combustion Performance

07-Sep-2017 | Yue Tang, Suhang Chen, Wei Zhang, Ruiqi Shen, Luigi T. DeLuca, Yinghua Ye, Propellants, Explosives, Pyrotechnics, 2017

Abstract In order to enhance the mechanical properties, 6 kinds of additives of stearic acid, polyethylene wax (A−C®6A), ethylene vinyl acetate copolymer (EVA), low density polyethylene (LDPE), polypropylene (PP) and high density polyethylene (HDPE) were blended in the paraffin fuel. ...

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Understanding Organometallic-Mediated Radical Polymerization with an Iron(II) Amine–Bis(phenolate)

30-Aug-2017 | Daniel L. Coward; Benjamin R. M. Lake; Michael P. Shaver, Organometallics, 2017

The organometallic-mediated radical polymerization (OMRP) of methyl methacrylate (MMA), styrene, and vinyl acetate, mediated by a novel tert-butyl-substituted amine–bis(phenolate) iron(II) complex in the absence of a halide source, accesses an organometallic-only route to controlled radical ...

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