2.2.2- Trifluoroethyl acrylate

Chung and coworkers have reported on the use of stable borinate or boroxyl radicals e.g. 114) to mediate radical polymerization. " Methacrylates (MMA) and acrylates (trifluoroethyl acrylate) have been polymerized at ambient temperature to yield polymers with relatively narrow molecular weight distributions.The method has been used to prepare block copolymers and polyolefin graft copolymers,... 

Strontium fluoride Strontium molybdate 2,2,2-Trifluoroethyl acrylate Trifluoroethyl methacrylate optical brightener mfg. 

Boraindane 178 <1996CHEC-II(8)889> was applied to the preparation of new telechelic polymers, including poly(methylmethacrylate) and poly(trifluoroethyl acrylate) containing two reactive OH groups at the polymer chain <2004MM6260>. 

Styrene) (PPFS), poly(heptadecafluorodecyl acrylate) (PHFA), poly(penta-fluoropropyl acrylate) (PPFA), or poly(trifluoroethyl acrylate) (PTFA) [53]. The block at the silicate interface was either PS or PMA. Treatment of the diblock systems with block-selective solvents produced predictable changes in water contact angles except for those diblock brushes based on PHFA. All of these systems were fully characterized by XPS, tensiometry, ellipsometry,... 

The Corey synthesis began with an asymmetric Diels-Alder reaction between butadiene and 2,2,2-trifluoroethyl acrylate in the presence of the 5-proline-derived catalyst ent-59 to form the adduct ent-69 in excellent yield (97%) and with >97% ee (Scheme 7.10). Ammonolysis of 60 produced amide 61 quantitatively, which underwent iodolacta-mization using the Knapp protocol to generate lactam 62. A-Acylation of 62 with... 

High refractive index optical lenses were prepared by Your et al. (1) consisting of trifluoroethyl methacrylate, butyl acrylate, phenyl ethyl acrylate, and ethylene glycol dimethacrylate. 

To a solution of ( )-1-methoxy-2-methyl-3-(trimethylsiloxy)buta-l,3-diene (lOg, 54mmol) in CIljClj (25 mL) was added a solution of 2,2.2-trifluoroethyl 2-(trifluoromethyl)acrylate (11.8g, 54mmol) in CH2CI2 (15mL) at 0 C under argon, and the solution was stirred for 3 min. After evaporation of the solvent, MeOH (30 mL) and TsOH (2 g, 10.5 mmol) were added at 0 C. The resulting solution was stirred at the same temperature for 1.5 h. F.vaporation of the solvent and vacuum distillation of the residue gave 13 yield 16.5 g (87%) bp 88 C/3 Torr. 

In 2006, two groups independently reported the novel asymmetric synthesis of tamiflu (106). Corey et al. reported a short enantioselective pathway for the synthesis of 106 from 1,3-butadi-ene and acrylic acid shown in O Scheme 22 [ 111 ]. The key steps of the synthesis are (1) Diels-Alder reaction of 1,3-butadiene (146) and trifluoroethyl acrylate (147) in the presence of chiral ligand 148 developed in the laboratory [112], (2) the introduction of two amino groups in tamiflu (106) without using potentially hazardous and explosive azide reagents, and (3) a novel S nBr4 - catalyzed bromoacetamidation. 

Poly(trifluoroethyl acrylate) Poly(2,2,2-trifluoro-l-methylethyl methacrylate) Poly(vinylidene fluoride)... 

Poly(acrylates) and (alkyl acrylates). - Structured nanopore films of poly(styrene-block-methyl methacrylate) copolymers have been made with controlled spectral sensitivity, such that each block is sensitive to a specific degradation wavelength. In copolymers of 2,2,2-trifluoroethyl methacrylate with vinyl ethers, the photosensitivity is controlled by the vinyl ether units. Photodegradation occurs at the tertiary positions of the ether units followed by lactone formation and chain scission processes. Furthermore, the fluorinated side chains have been found to inhibit cyclization reactions. 

In this study, the specific polymers of interest are poly(2,2,2-tri iuoroethyl methacrylate), PTFEMA, poly(2,2,2-trifluoroethyl acrylate), PTFEA, and poly(hexa-fluoroisopropyl aaylate), PHFiPA, with the respective non-fiuorinated counterparts, poly(ethyl methacrylate), PEMA, poly(ethyl acrylate), PEA, and poly(isopropyl acrylate), PiPA. 

Propenoic acid, 2,2,2-trifluoroethyl ester. See 2,2,2-Trifluoroethyl acrylate Propenol Propen-1-ol-3 1-Propen-3-ol 2-Propen-1-ol. See Allyl alcohol... 

TFEA. See 2,2,2-Trifluoroethyl acrylate TFE/HFP. See Fluorinated ethylene/propylene TFEM. SeeTrifluoroethyl methacrylate TFP. See 2,2,3,3-Tetrafluoro-1-propanol 3,3,3-TFP. See 3,3,3-Trifluoropropene TGA. See Thioglycolic acid TGA 2. See Diethylene glycol diacrylate TGDDM. See Tetraglycidyl-4,4 -methylene dianiline... 

Fig. 11 (a) SEM image of poly(methacrylic acid-co-trifluoroethyl acrylate)/PVDF electrospun fiber mats, (b-d) SEM images of Ti02-fluoropolymer fiber nanocomposites prepared at 150°C for (b) 3 h, (c) 6 h, and (d) 12 h. Reprinted with permission from [98]. Copyright (2009) Elsevier, (e) SEM image of ZnO/nylon-6 mat with ZnO and Ag precursors. Reprinted with permission from... 

Fluorinated Monc ers can also function as Reactive Surfactants 2-(N-Butylperfluoro-octanesulfamido) Ethyl Acrylate 2-(N-Ethylperfluorooctane-sulfamido) Ethyl Acrylate 2-(N-Ethylperfluorooctane-sulfamido) Ethyl Methacrylate mono-Hexafluorolsopropyl Itaconate mono-Hexafluoroisopropyl Maleate Perfluoroheptoxypoly(propyloxy) Acrylate Perfluoroheptoxypoly(propyloxy) Methacrylate mono-Perfluorooctyl Itaconate mono-Perfluorooctyl Maleate mono-Trifluoroethyl Itaconate mono-Trifluoroethyl Maleate... 

Trifluoroethyl methacrylate (MATRIF) and 2,2,2-trifluoroethyl acrylate (ATRIF) monomers are commercially available products, but they can be synthesized from methacryloyl or acryloyle chloride and 2,2,2-trifluoroethanol in the presence of triethylamine as a base [41]. The purification of ATRIF and MATRIF monomers was carried out by distillation (at 59°C/100 mmHg and 46°C/125 mmHg, respectively). 

Fluorinated poly(methacrylates) or poly(acrylates), rich in trifluoromethyl groups, exhibit superior performance of chemical inertness, excellent weatherability, low refractive index, lower dielectric constant, and special surface properties [14,61]. Poly(2,2,2-trifluoroethyl methacrylate), poly(MATRIF), is an important class of such materials. It has been extensively used in high performance coatings [17], photoelectric communications, and microelectronics [62]. Poly(MATRIF) is easily produced by free radical polymerization using bulk, solution, and emulsion polymerization methods [63]. Structural characterization of NMR of poly(MATRIF) prepared by radical and anionic polymerization has been studied. Syndiotactic structure was obtained by radical initiator in contrast to an isotactic structure achieved by anionic polymerization [64]. 

In contrast to MATRIF monomer, 2,2,2-Trifluoroethyl acrylate (ATRIF) and its (co)polymers have not been extensively studied. Free-radical homopolymerization of ATRIF and other fluorinated acrylates was carried out under various conditions and the stereostructures of the obtained polymers were investigated [65]. ATRIF monomer seemed promising to form thin films that have high hydrophobicity and good barrier properties [66]. In 1985, Narita et al. [67] reported the radical copolymerization of ATRIF with styrene, and the assessed reactivity ratios. To study the incorporation... 

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