Category: 3063-94-3

The effects of alpha irradiation on the optical reflectivity of composite polymers was written by Chavan, Vivek;Kulkarni, Atul;Lee, Sang-Deok;Kanade, Vinit;Lee, Dongmok;Kim, Hyeong-U.;Kim, Do Yoon;Kim, Taesung;Bhoraskar, Sudha;Bhoraskar, V. N.;Hong, Seung-Woo. And the article was included in Radiation Physics and Chemistry in 2022.Safety of 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate The following contents are mentioned in the article:

This paper reports an increase in the optical reflectivity of two kinds of copolymers used in contact lenses, with different proportions of silicon and fluorine derivatives, when irradiated with 4.1 MeV alpha particles from an 241Am source. The fiber-optic reflectance technique showed that the lens with a higher proportion of silicon and fluorine content and a lower proportion of methyl-methacrylate is more susceptible to alpha radiation. XPS and Raman spectroscopy have revealed the formation of silicon oxide and carbide species as a result of chain scission and recombination in the 20μm thick irradiated regions of lens materials. It is presumed that the high (260 eV/nm) linear energy transfer of alpha particles in polymers creates trapped gas ”Bubbles”’, and the observed increase in the optical reflectivity with increased irradiation time is explained on the basis of diffuse reflectance caused by the scattering of light from the hard surfaces of these ”Bubbles”. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3Safety of 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Safety of 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Effect of the Composition of Copolymers Based on Glycidyl Methacrylate and Fluoroalkyl Methacrylates on the Free Energy and Lyophilic Properties of the Modified Surface was written by Klimov, Viktor V.;Kolyaganova, Olga V.;Bryuzgin, Evgeny V.;Navrotsky, Alexander V.;Novakov, Ivan A.. And the article was included in Polymers (Basel, Switzerland) in 2022.SDS of cas: 3063-94-3 The following contents are mentioned in the article:

This study proposes to use reactive copolymers based on glycidyl methacrylate and fluoroalkyl methacrylates with a low fluorine content in the monomer unit as agents to reduce the surface free energy (SFE). This work reveals the effect of the structure and composition of copolymers on the SFE and water-repellent properties of these coatings. On a smooth surface, coatings based on copolymers of glycidyl methacrylate and fluoroalkyl methacrylates with fluorine atoms in the monomer unit ranging from three to seven are characterized by SFE values in the range from 25 to 13 mN/m, which is comparable to the values for polyhedral oligomeric silsesquioxanes and perfluoroalkyl acrylates. On textured aluminum surfaces, the obtained coatings provide time-stable superhydrophobic properties with contact angles up to 170° and sliding angles up to 2°. The possibility of using copolymers based on glycidyl methacrylate and fluoroalkyl methacrylates for the creation of self-cleaning polymer coatings is shown. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3SDS of cas: 3063-94-3).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.SDS of cas: 3063-94-3

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Synthesis and Evaluation of Partly Fluorinated Block Copolymers as MRI Imaging Agents was written by Peng, Hui;Blakey, Idriss;Dargaville, Bronwin;Rasoul, Firas;Rose, Stephen;Whittaker, Andrew K.. And the article was included in Biomacromolecules in 2009.HPLC of Formula: 3063-94-3 The following contents are mentioned in the article:

A series of well-defined diblock copolymers of acrylic acid with partially fluorinated acrylate and methacrylate monomers were synthesized using ATRP as potential ¹⁹F MRI imaging agents. The diblock copolymers could undergo spontaneous self-assembly in mixed and aqueous solvents to form stable micelles with a diameter from approx. 20-45 nm, having a fluorine-rich core that provides a strong signal for MRI examinations The observed MRI image intensities were related to the NMR longitudinal and transverse relaxation times, and were found to depend on polymer structure and method of micellization. Two distinct T₂ relaxation times were measured; on comparison of expected MRI image intensities with those observed exptl., methacrylate polymers show systematically lower signal intensity than acrylate polymers. This is related to the presence of a population of nuclear spins having short T₂ relaxation times that cannot be detected under high-resolution NMR and MRI conditions. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3HPLC of Formula: 3063-94-3).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.HPLC of Formula: 3063-94-3

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Robust optical oxygen sensors based on polymer-bound NIR-emitting platinum(II)-benzoporphyrins was written by Hutter, L. H.;Muller, B. J.;Koren, K.;Borisov, S. M.;Klimant, I.. And the article was included in Journal of Materials Chemistry in 2014.Category: esters-buliding-blocks The following contents are mentioned in the article:

Several advanced optical oxygen sensor materials are presented. They are based on bright NIR-emitting platinum(II)-benzoporphyrins covalently incorporated into a variety of polymeric matrixes. The dye-polymer conjugates are prepared either via Suzuki coupling of the brominated porphyrins to the styrene backbone or via co-polymerization of the monomers with monostyryl porphyrin derivative Importantly, in both strategies a highly stable C-C bond is obtained. The resulted materials benefit from excellent photophys. properties of the benzoporphyrin dyes (high brightness, emission in the NIR part of the spectrum) and high stability of the covalently grafted materials due to complete suppression of dye migration and leaching. This is particularly important for operation of the sensors in harsh conditions e.g. during steam sterilization where the materials based on noncovalently grafted dyes showed significant drift of their calibration. Addnl., the authors present a new synthetic method for preparation of anal. pure benzoporphyrins via simple 1-step template condensation which a promising alternative to the commonly used Lindsey method. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3Category: esters-buliding-blocks).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Category: esters-buliding-blocks

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Gas-phase kinetics of OH radicals reaction with a series of fluorinated acrylates and methacrylates at atmospheric pressure and 298 K was written by Tovar, Carmen M.;Teruel, Mariano A.. And the article was included in Atmospheric Environment in 2014.HPLC of Formula: 3063-94-3 The following contents are mentioned in the article:

Rate coefficients for the gas phase reactions of OH radicals with 2,2,2-trifluoroethylmethacrylate (k₁) 1,1,1,3,3,3-hexafluoroisopropylacrylate (k₂), 1,1,1,3,3,3-hexafluoroisopropylmethacrylate (k₃), and 2,2,2-trifluoroethylacrylate (k₄) were determinated to be k₁ = (2.54 ± 0.12) × 10^-11, k₂ = (1.41 ± 0.11) × 10^-11, k₃ = (1.65 ± 0.14) × 10^-11 and k₄ = (1.25 ± 0.13) × 10^-11 cm³ mol.^-1 s^-1, resp. Kinetic experiments were performed at room temperature and atm. pressure using the relative-rate technique with GC-FID anal. This study is the first kinetic for these reactions of OH radicals under atm. pressure. Addnl., the rate constants obtained are compared with other halogenated and non halogenated acrylates and methacrylates to develop structure/reactivity relationships in terms of the presence of fluorine and ester groups and the hydrocarbon chain length. The atm. implications of the reactions were assessed by the estimation of the tropospheric lifetimes of the title reactions. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3HPLC of Formula: 3063-94-3).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.HPLC of Formula: 3063-94-3

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Effect of molecular architecture on the performance of ¹⁹F NMR imaging agents was written by Peng, Hui;Thurecht, Kristofer;Hsu, Steven;Blakey, Idriss;Squires, Oliver;Kurniawan, Nyoman;Rose, Stephen;Whittaker, Andrew K.. And the article was included in ACS Symposium Series in 2011.Application In Synthesis of 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate The following contents are mentioned in the article:

Traditional magnetic resonance medical imaging agents based on paramagnetic ions or particles have a number of critical limitations, namely image contrast is often limited at low concentrations and sensitivity of the agents becomes diminished at higher magnetic field strengths. In this chapter we describe the development of a new class of polymeric imaging agent which relies on direct detection of the NMR signal of fluorine nuclei and hence circumvents these potential problems. The imaging performance of the new materials relies on the maintenance of librational motion of the fluorinated segments, necessary for partial averaging of the otherwise strong dipole-dipole interactions and large chem. shift interactions of the ¹⁹F nuclei. The performance of partially-fluorinated block copolymers assembled into particles is described and related to the interactions of the polymer chains with the surrounding solvent medium. A second generation of materials based on a hyperbranched structure was developed based on the learning obtained from the earlier experiments and these demonstrated excellent in vitro and in vivo imaging performance. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3Application In Synthesis of 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Application In Synthesis of 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

The influence of the surface properties of silicon-fluorine hydrogel on protein adsorption was written by Xie, Haijiao;Zhao, Zhengbai;An, Shuangshuang;Jiang, Yong. And the article was included in Colloids and Surfaces, B: Biointerfaces in 2015.Name: 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate The following contents are mentioned in the article:

A range of fluorinated hydrogels were synthesized using the copolymerization of 1, 1, 1, 3, 3, 3-hexafluoroisopropyl methacrylate (HFMA) or 1H, 1H, 7H-dodecafluoroheptyl methacrylate (DFMA) with hydrophilic monomers. Bovine serum albumin (BSA) and Lysozyme (LZM) were chosen as model proteins to investigate the performance of protein adsorption on the surface of these fluorinated hydrogels. It was found that the performance of the fluorinated hydrogels toward protein adsorption was different for different proteins; simultaneously, the amount of protein adsorption was related to but not linear with the fluorine content on the hydrogel surface. With increasing HFMA content, the mass of BSA adsorption increased in the first stage and then decreased, meanwhile the mass of LZM adsorption exhibited an upward trend in general. In addition, the amount of protein adsorption was also related to the type and length of the fluorinated groups. The hydrogels made from DFMA behaved better than HFMA hydrogels in terms of reducing protein adsorption. This study might provide further reference in choosing fluorine monomer to prepare protein-repelling hydrogels. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3Name: 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Name: 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Nanocomposite thin films for surface protection in electrical contact applications was written by Noel, Sophie;Alamarguy, David;Houze, Frederic;Benedetto, Alessandro;Viel, Pascal;Palacin, Serge;Izard, Nicolas;Chenevier, Pascale. And the article was included in IEEE Transactions on Components and Packaging Technologies in 2009.Category: esters-buliding-blocks The following contents are mentioned in the article:

Increased demands on reliability, operations in harsh environments, and miniaturization of elec. contacts justify research on totally innovating coatings. Such films require many specific properties such as proper conduction and mech. behavior. The approach reported here is based on the idea of associating a polymer matrix and a conducting charge. The polymer matrix was chosen to resist mech. degradation while the charge allows good conductivity The first results obtained by associating a carbon nanotube (CNT) network to a fluorinated polymer thin layer are presented here. Several characterization techniques such as XPS, Fourier transform infra red (FT-IR) and Raman spectroscopy have allowed the control of the various steps of the elaboration process. Films were deposited on cuprous coupons with a nickel underlayer and an electrodeposited gold final layer. Several matrixes were studied. The properties of these thin films were investigated in a ball plane contact configuration: first elec. and mech. characterizations show low values of contact resistance and friction coefficient The CNT network influence is investigated both at a macroscopic scale and at a microscopic one. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3Category: esters-buliding-blocks).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Category: esters-buliding-blocks

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Continuous Wave and Time-Resolved Electron Paramagnetic Resonance Study of Photoinduced Radicals in Fluoroacrylic Porous Polymer Films was written by Sheveleva, A. M.;Ivanov, M. Yu.;Shundrina, I. K.;Bukhtoyarova, A. D.;Bagryanskaya, E. G.;Fedin, M. V.. And the article was included in Journal of Physical Chemistry C in 2016.Recommanded Product: 3063-94-3 The following contents are mentioned in the article:

The authors have combined continuous wave (CW) and time-resolved (TR) ESR to study UV photodegradation of thin porous films of a few representative fluoroacrylic polymers. Different types of spectra were detected using CW and TR EPR and assigned to the species formed on the inner surface of the pores and in the bulk of the polymer, resp. The radical pairs formed in the bulk are short-lived, as is evidenced by TR EPR, and most likely recombine back to the initial polymer. On the contrary, the radicals formed on the surface of the pores are metastable in the absence of oxygen; they can be studied by CW EPR and clearly assigned to the radicals of type ·C(CH₃)CH₂– (so-called propagating radicals) formed via the cleavage of the C-C bond of the ester side chains and consecutive β-scission. Remarkably, their CW EPR spectra closely resemble solution-state spectra, indicating that these radicals are localized in the pores where the mobility of Me and methylene protons is not suppressed. UV photodegradation of porous fluoroacrylic polymer films mainly occurs on the inner surface of the pores, which needs to be considered in future development of this type PSPs. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3Recommanded Product: 3063-94-3).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Recommanded Product: 3063-94-3

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Effect of polymer matrix on the performance of pressure-sensitive paint comprising 5,10,15,20-tetrakis(pentafluorophenyl)porphinato platinum(II) and poly(1,1,1,3,3,3-hexafluoroisopropyl-co-tert-butyl methacrylates) was written by Obata, Makoto;Asato, Ryo;Hirohara, Shiho;Mitsuo, Kazunori. And the article was included in Journal of Applied Polymer Science in 2016.Quality Control of 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate The following contents are mentioned in the article:

Copolymers of 1,1,1,3,3,3-hexafluoroisopropyl methacrylate (HFIPM) and tert-Bu methacrylate (TBM) were prepared by conventional radical copolymerization as a novel binders for pressure-sensitive paints (PSP). The monomer reactivity ratios r_HFIPM and r_TBM were determined as 0.45 and 0.67, resp. The glass transition temperature of the copolymers increased from 77 to 126°C with increasing mole fraction of TBM units in the copolymer. The PSP were formed by combining the resulting copolymers and 5,10,15,20-tetrakis(pentafluorophenyl)porphinato platinum(II). The pressure and temperature sensitivities of the PSPs were measured at air pressures ranging from 5 to 120 kPa and at temperatures ranging from 0 to 60°C. Modified Stern-Volmer plots indicated slight increases in the pressure sensitivity, but significant decrease in the temperature sensitivity as the mole fraction of HFIPM units increased in the copolymer. Applying a theor. model to our calibration data, we inferred that luminescence quenching is primarily responsible for increasing the temperature sensitivity in the resulting copolymers. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43316. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3Quality Control of 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) belongs to esters. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Quality Control of 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics