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429 Newest Publications about the topic vinyl acetate

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ChemInform Abstract: Acetoxy‐Substituted Cyclopropane Dicarbonyls as Stable Donor—Acceptor—Acceptor Cyclopropanes.

28-Jan-2016 | Yahaira Reyes, Keith T. Mead, ChemInform, 2016

Abstract The rhodium‐catalyzed reaction of aryl‐substituted α‐diazo‐β‐keto esters with vinyl acetate is shown to form acyloxy‐substituted donor‐acceptor‐acceptor cyclopropanes, and depending on the aryl substituent the products are obtained in low to high yields.

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Properties and characterization of ([Mengkuang leaf fiber]‐filled ethylene vinyl acetate)/(natural rubber) blend: Effects of blending sequences and mengkuang leaf fiber loading

21-Jan-2016 | Faiezah Hashim, Hanafi Ismail, Arjulizan Rusli, Journal of Vinyl and Additive Technology, 2016

(Ethylene vinyl acetate [EVA])/(natural rubber [NR])/(Mengkuang leaf fiber) (MLF) thermoplastic elastomer composites were prepared by using three different blending sequences in an internal mixer. The blending sequences studied were (i) B1: NR was added followed by MLF into the molten EVA; (ii) ...

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A Versatile Synthetic Approach to Covalent Binding of Polymer Brushes on CdSe/CdS Quantum Dots Surface: Multitype Modification of Nanocrystals

19-Jan-2016 | Xiaolin Guan, Hongting Fan, Tianming Jia, Donghai Zhang, Yang Zhang, Ziqiang Lei, Shoujun Lai, Macromolecular Chemistry and Physics, 2016

A novel and versatile approach to the preparation of multitype polymers brushes on the quantum dots surface is reported. In this method, an azo initiator is first immobilized covalently onto CdSe/CdS particle surface by reacting with the 4,4′‐Azobis (4‐cyanovaleric acid) through an ester ...

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Studies on EVA‐Based Wax Fuel for Launch Vehicle Applications

18-Jan-2016 | Rajiv Kumar, Periyapatna A. Ramakrishna, Propellants, Explosives, Pyrotechnics, 2016

Abstract A fuel for the hybrid rocket system was developed. The attempts made to improve the mechanical properties of wax by adding EVA (ethylene vinyl acetate) are illustrated. It was observed that the mechanical properties obtained by adding EVA to wax were dependent on the process of curing ...

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Materials, Vol. 9, Pages 51: Acoustic Behavior of Subfloor Lightweight Mortars Containing Micronized Poly (Ethylene Vinyl Acetate) (EVA)

15-Jan-2016 | Brancher, Luiza R.; Nunes, Maria Fernanda de O.; Grisa, Ana Maria C.; Pagnussat, Daniel T.; Zeni, Mára, Materials, 2016

This paper aims to contribute to acoustical comfort in buildings by presenting a study about the polymer waste micronized poly (ethylene vinyl acetate) (EVA) to be used in mortars for impact sound insulation in subfloor systems. The evaluation method included physical, mechanical and ...

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Chemoenzymatic Synthesis of Proxyphylline Enantiomers

06-Jan-2016 | Paweł Borowiecki; Daniel Paprocki; Agnieszka Dudzik; Jan Plenkiewicz, The Journal of Organic Chemistry, 2016

A novel synthetic route for preparation of proxyphylline enantiomers using a kinetic resolution (KR) procedure as the key step is presented. The reactions were catalyzed by immobilized Candida antarctica lipase B in acetonitrile. Three types of reactions were examined: (i) enantioselective ...

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Structure of the Interfacial Region in Adsorbed Poly(vinyl acetate) on Silica

31-Dec-2015 | Hamid Mortazavian; Christopher J. Fennell; Frank D. Blum, Macromolecules, 2015

We performed a combined calorimetric and molecular modeling investigation of poly(vinyl acetate) (PVAc) on silica to characterize the intermolecular interactions and the behavior of the adsorbed polymer. From temperature-modulated differential scanning calorimetry experiments, different regions ...

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Solar Light Responsive Polymer Composites with Three Shape‐Memory Effects

22-Dec-2015 | Liang Fang, Tianyu Fang, Zhenggang Fang, Chunhua Lu, Zhongzi Xu, Macromolecular Materials and Engineering, 2015

Solar light responsive polymer composites which can deform their shape according to the variation in sunlight power density are prepared by incorporating the solar light photothermal filler of Sm0.5Sr0.5CoO3 (SSC) into crosslinked poly[ethylene‐ran‐(vinyl acetate)] (EVA). Dual shape‐memory ...

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Tailoring copper (II) methacrylate‐containing copolymers and its use as electrode modifier agent in electroanalytical applications

06-Dec-2015 | Gabriella Ribeiro Ferreira, Alan Thyago Jensen, Jorge Armando Ardila, Orlando Fatibello‐Filho, Alexandre Perez Umpie ..., Journal of Applied Polymer Science, 2015

ABSTRACT This work focuses on the synthesis of a new class of copolymer materials consisting of traditional vinyl monomers (essentially, vinyl acetate, ethyl acrylate, and methyl methacrylate) and copper (II) methacrylate (Cu(II)MA) intended to be used as surface modification agents in ...

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Pre‐dispersing of montmorillonite nanofiller: Impact on morphology and performance of melt compounded ethyl vinyl acetate nanocomposites

25-Nov-2015 | Azlin Fazlina Osman, Hussein Kalo, Mohd Saifullah Hassan, Tew Wei Hong, Farehah Azmi, Journal of Applied Polymer Science, 2015

ABSTRACT Ethyl vinyl acetate (EVA) copolymers are potential materials for biomedical applications due to their exceptional mechanical properties and biocompatibility. As new medical device designs continue to reduce in size, new materials are required that exhibit improved strength and ...

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