نتایج جستجو برای: acrylate monomer
تعداد نتایج: 22941 فیلتر نتایج به سال:
Ferrocyanide-imprinted pyridine-carrying microspheres were prepared using ferrocyanide ions as a template. This method is based on a surface imprinting technique from the seed emulsion that consisted of 4-vinylpyridine (functional monomer), styrene, and butyl acrylate and a water mixture polymerization by a radical initiator. The ferrocyanide-imprinted microspheres had about 200 times higher ad...
Two novel acrylate monomers, [5-(benzyloxy)-4-oxo-4H-pyran-2-yl]methyl acrylate and {1-[(5-(benzyloxy)-4-oxo-4H-pyran-2-yl)methyl]-1,2,3-triazol-4-yl}methyl acrylate were synthesized by the reaction of 5-benzyloxy-2-(hydroxymethyl)-4H-pyran-4-one and 5-(benzyloxy)-2-{[4-(hydroxymethyl)-1,2,3-triazol-1-yl]methyl}-4H-pyran-4-one with acryloyl chloride in the presence of triethylamine, respectivel...
We report on the wavelength-selective photopolymerization of a hybrid acrylate-oxetane cholesteric liquid crystal monomer mixture. By controlling sequence and rate orthogonal free-radical cationic reactions, it is possible to control degree phase separation in resulting interpenetrating networks. show that this can be used tune reflective color structurally colored coatings produced. Conversely...
We report on two important advances in radical polymerization with reversible addition–fragmentation chain transfer (RAFT polymerization). (1) Electrochemically initiated emulsion RAFT (eRAFT) provides rapid of styrene at ambient temperature. The electrolytes and mediators required for eRAFT are located the aqueous continuous phase separate from low-molar-mass-dispersity macroRAFT agent mediato...
Microbial cleavage of dimethylsulfoniopropionate (DMSP) producing dimethyl sulfide (DMS) and acrylate is an important step in global sulfur cycling. Acrylate is toxic for cells, and thus should be metabolized effectively for detoxification. There are two proposed pathways for acrylate metabolism in DMSP-catabolizing bacteria, the AcuN-AcuK pathway and the PrpE-AcuI pathway. AcuH is an acryloyl-...
Polymer networks that can serve as model systems for dental applications were prepared by photopolymerizations of 1,1,1-trimethylolpropane triacrylate, 1,1,1-trimethylolpropane trimethacrylate, 1,1,1-trimethylolethane trimethacrylate, ethylene glycol dimethacrylate, triethylene glycol dimethacrylate, Photomer 2028 and Photomer 3015. The UV polymerizations were initiated by 2,2-dimethoxy-2-pheny...
BACKGROUND Biofilm formation on indwelling medical devices is a ubiquitous problem causing considerable patient morbidity and mortality. In orthopaedic surgery, this problem is exacerbated by the large number and variety of material types that are implanted. Metallic hardware in conjunction with polymethylmethacrylate (PMMA) bone cement is commonly used. QUESTIONS/PURPOSES We asked whether po...
New series of thermo-pH multi-responsive terpolymers were fabricated. Cationic acrylate monomer was synthesized and named by [2-((ditert-butylamino)methyl)-4-formyl-6-methoxyphenyl acrylate] abbreviated as (DTBAVA). 1H NMR 13C investigated the new compounds FT IR. The fabricated free radical polymerization N-isopropylacrylamide NIPAAm, 10 mol% N, N-dimethylacrylamide 5, 10, 20 DTBAVA. investiga...
In the renaissance of organic electrochemistry, 150-year-old Kolbe chemistry offers a sustainable pathway to liquid energy carriers and commodities. Herein, easy-access design methods for electrochemical microreactors employing 3D printing simple post processing techniques are presented. The continuous Non-Kolbe electrolysis monomethyl succinic acid is studied as test reaction production an ind...
In this work, two bio-based raw materials, rapeseed oil and technical-grade oleic acid, were modified to yield acrylated monomers. Polymeric latexes designed for coating applications synthesized using emulsion polymerization. Methyl methacrylate butyl acrylate copolymerized with various ratios of the monomers (0–20 wt.% in monomer mixture). The polymerization high conversion low coagulum conten...
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