Tag: 200-300

On March 31, 2022, Bozbay, Rabia; Orakdogen, Nermin published an article.Synthetic Route of 2358-84-1 The title of the article was Scaling Behavior and Structure-Property Relationships of Multifunctional Ternary-Hydrogels Based on N-Alkyl Methacrylate Esters: Property Tunability through Versatile Synthesis. And the article contained the following:

Scaling behavior relating the synthesis conditions with swelling degree, preparation concentration and crosslinking d. of multifunctional ternary-gels consisting of 2-(dimethylamino)ethyl methacrylate (DMAEMA), hydroxypropyl methacrylate (HPMA) and glycidyl methacrylate (GMA) is reported. Swelling is controlled by DMAEMA portion of terpolymers and DMAEMA-rich gels tended to swell more than GMA-rich gels and increase in GMA increase polymer-solvent interaction parameter, χ Critical conditions required for terpolymers to show phase transition are calculated as χ1=0.4993 and χ2=0.2959. Dependence of swelling degree ΦVon gel preparation concentration ν20 as a function of solvent quality is examined Good solvent prediction of φVâ‰?(N Cν20)0.29 indicates a crossover between entanglement-dominated case and strongly cross-linked case corresponding to low and moderate degrees of swelling. Swelling of ternary-gels in different solvents shows that cyclohexanol is a good solvent and solubility parameter is 23.7 (MPa)1/2. Addition of hydrophobic GMA leads to a significant increase in stiffness of terpolymer gels. Increase in elastic modulus as-prepared state is not monotonic and can be controlled by adjusting DMAEMA/GMA ratio since tertiary amine groups triggers cascading epoxy ring-opening reaction. Reduced modulus Gr decreased with increasing swelling degree and scaling relation between modulus and swelling is found as Gr â‰?(ΦV)-0.66 which indicates that ternary-hydrogels, limited to weak stretching regime, obey Gaussian statistics. The experimental process involved the reaction of Oxybis(ethane-2,1-diyl) bis(2-methylacrylate)(cas: 2358-84-1).Synthetic Route of 2358-84-1

The Article related to ternary hydrogel scaling behavior structure property relationship, Physical Properties of Synthetic High Polymers: Polymer Solutions and Gels and other aspects.Synthetic Route of 2358-84-1

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

On January 5, 2022, Korzhikova-Vlakh, Evgenia G.; Tennikova, Tatiana B. published an article.Reference of Oxybis(ethane-2,1-diyl) bis(2-methylacrylate) The title of the article was Some factors affecting pore size in the synthesis of rigid polymer monoliths: Theory and its applicability. And the article contained the following:

Macroporous monoliths represent now widely used materials whose successful application strongly depends on their characteristics. Among those the average pore size is one of the key parameters. In this paper, we consider the applicability of theor. calculations for the selection of appropriate porogens to generate the materials with required average pore size. A set of macroporous poly(meth)acrylate monoliths was synthesized via thermo- and photo-initiated free radical polymerization and characterized in regards to their average pore size. Addnl., the difference in solubility parameters as well as Hansen’s solubility parameter distance between monomers and porogens were calculated for each polymerization mixture using Hildebrand’s and Hansen’s solubility theories. The theor. predications and exptl. data were compared and analyzed to establish the applicability of theor. calculations to previse average pore size for different systems. It was found that Hildebrand’s theory seems to be poorly appropriate as universal tool, while Hansen’s theor. approach explained better the efficiency of solvents as porogens. The application of oligomers and polymer solutions due to the increase of viscosity as well as the variation of crosslinker amount in the monomer system can be singled out as Hansen’s theory limitations at the prediction of the average pore size. The experimental process involved the reaction of Oxybis(ethane-2,1-diyl) bis(2-methylacrylate)(cas: 2358-84-1).Reference of Oxybis(ethane-2,1-diyl) bis(2-methylacrylate)

The Article related to rigid polymer monolith affecting pore size synthesis, Chemistry of Synthetic High Polymers: Ring-Opening and Other Polymerizations and other aspects.Reference of Oxybis(ethane-2,1-diyl) bis(2-methylacrylate)

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

On January 31, 1981, Sivergin, Yu. M. published an article.Reference of 2,2-Dimethylpropane-1,3-diyl bis(2-methylacrylate) The title of the article was Dielectric relaxation in oligoester acrylates and terpolymers on their basis. And the article contained the following:

Oligoester acrylates showed 2 dielec. relaxation processes at 100-300 K, with the high temperature-low frequency dispersion being designated the α and the low temperature-high frequency dispersion, the β’ process. The α maximum corresponded to the glass transition and was at the highest temperature for an acrylate containing Cl and the lowest temperature for the least polar compound, which also had a low loss factor. The β’ process was caused by internal motion of the polar group-containing kinetic units in the oligomer chain, and was mainly due to the motion of carbonate group in mols. that contain these. Above the glass temperature, all samples had a rapid increase of the loss factor with temperature In the case of oligoester acrylate polymers, those based on diacrylates of ethylene, tetramethylene, and decamethylene glycols, the relaxation observed at <275 K was a β process caused by motions of carboxylate groups bound to the main chain. The dielec. relaxation of the polymer based on triethylene glycol dimethacrylate at <275 K was a β' process caused by the motion of the C-O-C group. At 300-400 K, a β process caused by local motion of macromol. chain members adjacent to carboxylate groups was observed in this polymer. A wide variety of previously reported results was also discussed. The experimental process involved the reaction of 2,2-Dimethylpropane-1,3-diyl bis(2-methylacrylate)(cas: 1985-51-9).Reference of 2,2-Dimethylpropane-1,3-diyl bis(2-methylacrylate)

The Article related to oligoester acrylate dielec relaxation, Plastics Manufacture and Processing: Physical Properties and Testing Methods and other aspects.Reference of 2,2-Dimethylpropane-1,3-diyl bis(2-methylacrylate)

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

On July 22, 2004, Takemura, Makoto; Ota, Toshiharu; Uoto, Koichi; Kawakami, Katsuhiro; Yoshino, Toshiharu; Yokomizo, Yoshihiro; Yoshikawa, Kenji published a patent.COA of Formula: C11H14N2O5 The title of the patent was Preparation of 1,2-phenylenediamine amides as activated blood coagulation factor X inhibitors. And the patent contained the following:

The title thiazolopyridinecarboxylic acid 1,2-phenylenediamine amides with general formula of Q1-Q2-A0-Q3-A00-Q4 [wherein Q1 = (un)substituted cyclohydrocarbyl, heterocyclyl, etc.; Q2 = a single bond, alkylene, alkenylene, etc.; Q3 = (un)substituted phenylene or any other (hetero)arylene; Q4 = (un)substituted aryl, arylalkenyl, etc.; A0 = (un)substituted CONH or CSNH; A00 = OCH2, (un)substituted CONH, SO2NH, etc.] or salts, solvates, or N-oxides thereof are prepared as activated blood coagulation factor X inhibitors. For example, the compound I was prepared in a multi-step synthesis. I inhibited human FXa with IC50 of 1.9 nM. The compounds are useful for the treatment of blood coagulation, thrombosis, embolism, etc. (no data). The experimental process involved the reaction of tert-Butyl (4-hydroxy-2-nitrophenyl)carbamate(cas: 201811-20-3).COA of Formula: C11H14N2O5

The Article related to phenylene amine amide preparation activated blood coagulation factor inhibitor, preparation thiazole carboxamide treatment blood coagulation thrombosis embolism human, Heterocyclic Compounds (More Than One Hetero Atom): Thiazoles, Isothiazoles and other aspects.COA of Formula: C11H14N2O5

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

Liu, Bin; Wang, Yanling; Liang, Lei; Zeng, Yijin published an article in 2021, the title of the article was Achieving solubility alteration with functionalized polydimethylsiloxane for improving the viscosity of supercritical CO2 fracturing fluids.Recommanded Product: Oxybis(ethane-2,1-diyl) bis(2-methylacrylate) And the article contains the following content:

Supercritical carbon dioxide (SC-CO2) fracturing technol. has the characteristics of a large amount of fixed CO2 and anhydrous fracturing. It has great application potential for developing unconventional oil and gas resources and mitigating the greenhouse effect. However, the low viscosity of SC-CO2 limits the development of this technol. In this work, HS series thickeners were prepared via a ring-opening polymerization and hydrosilylation reaction by a mol. simulation-aided design method. The simulation results of cohesive energy d., interaction energy, and radial distribution function are consistent with the visualization exptl. results, which proves that HS (hyperbranched siloxane) series thickeners have excellent solubility in SC-CO2. HS-3 is the best thickener in the HS series. At 305.15 K and 10 MPa, 5 wt% HS-3 (60 s-1) increases the viscosity of SC-CO2 by 151 times, and the apparent viscosity is 3.024 mPa s. The apparent viscosity of SC-CO2 was pos. correlated with the pressure and concentration but neg. correlated with the temperature and shear rate. The results indicate that it is feasible to introduce an aliphatic group and polysiloxane into a SC-CO2 thickener by hydrosilylation. The experimental process involved the reaction of Oxybis(ethane-2,1-diyl) bis(2-methylacrylate)(cas: 2358-84-1).Recommanded Product: Oxybis(ethane-2,1-diyl) bis(2-methylacrylate)

The Article related to polydimethylsiloxane carbon dioxide ring opening polymerization hydrosilylation solubility, Fossil Fuels, Derivatives, and Related Products: Other (Coal and Petroleum) and other aspects.Recommanded Product: Oxybis(ethane-2,1-diyl) bis(2-methylacrylate)

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

On January 8, 2004, Polisetti, Dharma Rao; Kodra, Janos Tibor; Lau, Jesper; Bloch, Paw; Valcarce-Lopez, Maria Carmen; Blume, Niels; Guzel, Mustafa; Santhosh, Kalpathy Chidambareswaran; Mjalli, Adnan M. M.; Andrews, Robert Carl; Subramanian, Govindan; Ankersen, Michael; Vedso, Per; Murray, Anthony; Jeppesen, Lone published a patent.Recommanded Product: tert-Butyl (4-(trifluoromethyl)phenyl)carbamate The title of the patent was Preparation of thiazolyl aryl ureas as activators of glucokinase. And the patent contained the following:

The title compounds [I; A1 = arylene, heteroarylene, fused cycloalkylarylene, etc.; L1 = a bond, O, S, SO, etc.; G1 = alkyl, cycloalkyl, cycloalkylalkylene, etc.; L2 = a bond, alkylene, alkenylene, etc.; L3 = CO, COCO, COCH2CO, SO2; R1 = alkyl, alkenyl, alkynyl, etc.; G2 = heteroaryl, fused heterocyclylheteroaryl, cycloalkylheteroaryl, etc.] which are activators of glucokinase and may be useful for the management, treatment, control, or adjunct treatment of diseases, where increasing glucokinase activity is beneficial (no data), were prepared and formulated. Thus, reacting 2-phenoxyaniline with 2-aminothiazole and 1,1′-carbonyldiimidazole afforded 95% the urea II. The experimental process involved the reaction of tert-Butyl (4-(trifluoromethyl)phenyl)carbamate(cas: 141940-37-6).Recommanded Product: tert-Butyl (4-(trifluoromethyl)phenyl)carbamate

The Article related to thiazolyl aryl urea preparation formulation glucokinase activator antidiabetic and other aspects.Recommanded Product: tert-Butyl (4-(trifluoromethyl)phenyl)carbamate

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

On December 31, 2021, Tomal, Wiktoria; Krok, Dominika; Chachaj-Brekiesz, Anna; Lepcio, Petr; Ortyl, Joanna published an article.HPLC of Formula: 2358-84-1 The title of the article was Harnessing light to create functional, three-dimensional polymeric materials: multitasking initiation systems as the critical key to success. And the article contained the following:

Nowadays, the lack of suitable photoinitiators (PI) and photoinitiating systems (PISs) represents the utmost challenge in 3D-VAT printing. High photoinitiating efficiency is needed for example in the presence of nanofillers such as carbon nanotubes (CNTs) which absorb and scatter light. Many prominent PISs contains iodonium salt as an initiator and a second component as a photosensitizer. This study addresses the high demand for innovative PISs with improved photoinitiating efficiency by a complete cycle of research: from the synthesis of new biphenyl derivatives, through their employment as photosensitizers of iodonium salt for light-induced cationic, free-radical, and hybrid polymerization processes, to the representative application in 3D printing processes such as digital light processing (DLP) or laser printing. The ultimate performance of the newly synthesized compounds was tested by preparing 3D-printable photosensitive nanocomposite resins filled with CNTs as a nanoscale filler. Their photopolymerization kinetics as well as the effect of the CNT concentration on the crosslinking were analyzed via real-time FTIR and photo-rheol. The printouts were observed with optical microscopy and SEM. In addition, the key printing parameters were determined, i.e. Ec (critical energy to initiate polymerization) and Dp (penetration depth of curing light). Our results evidence the capability of the synthesized compounds to take part in the photoinitiating systems of complex and demanding 3D printing applications. The experimental process involved the reaction of Oxybis(ethane-2,1-diyl) bis(2-methylacrylate)(cas: 2358-84-1).HPLC of Formula: 2358-84-1

The Article related to carbon nanotube polymer nanocomposite fluorescence quenching three dimensional printing, Plastics Manufacture and Processing: Physical Properties and Testing Methods and other aspects.HPLC of Formula: 2358-84-1

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

Okten Besli, Nur Sena; Orakdogen, Nermin published an article in 2021, the title of the article was Exploring the role of muscovite in poly(alkyl methacrylate)-based ternary nanocomposite cryogels with selective functional groups: formation via cryogelling with the aid of inorganic clay.Application of 2358-84-1 And the article contains the following content:

Easy fabrication of inorganic clay muscovite (MUS) embedded poly(2-acrylamido-2-methyl-1-propane sulfonic acid-co-diethylaminoethyl methacrylate-co-hydroxyethyl methacrylate) (PADH) nanocomposite cryogels with dual temperature/pH dependent catalytic potential was reported. Nanocomposite cryogels were fabricated by a method involving cryogelation and free radical crosslinking of aqueous systems containing MUS ranging from 0% to 1.50% (w/v). The changes in the properties of polybasic PADH networks were investigated to explain how the network parameters and gel properties were affected by the addition of clay, with the formation of a single terpolymer-MUS structure. The potential of the addition of different amounts of MUS to strengthen the prepared terpolymer matrix was investigated by uniaxial compression tests. By lowering the polymerization temperature or increasing the MUS content, the PADH/MUS nanocomposite cryogels became more elastic and compressible with stronger entanglement of terpolymer chains between the clay layers. With the addition of 1.50% (w/v) MUS, the swelling capacity was reduced by 50%, resulting in a two-fold increase in compression elasticity. The nanocomposite gels showed a strong pH-dependence, and when the pH of the swelling medium decreased from 9.8 to 2.1, there was a significant increase in the degree of swelling with increasing protonation of tertiary amine groups. Under an acidic environment, the swelling capacity of the nanocomposite gel containing 1.10% (w/v) MUS increased by 49.5%. In temperature dependent swelling between 15 and 75°C, all ternary PADH/MUS-Ngels showed a tendency to swell at low and high swelling temperatures, by the predominance of DEAEM units at low temperatures and HEMA monomers at high temperatures, resp. As the temperature was increased to 55°C, the swelling decreased and reached a min., and then the nanocomposite gels tended to swell again. The obtained results provide an insight into the effect of MUS addition on the properties of poly(alkyl methacrylate)-based ternary nanocomposite gels and demonstrate a simple and efficient way to produce multiple response systems with enhanced elasticity. The experimental process involved the reaction of Oxybis(ethane-2,1-diyl) bis(2-methylacrylate)(cas: 2358-84-1).Application of 2358-84-1

The Article related to polyalkyl methacrylate muscovite nanocomposite cryogel preparation mech property, Plastics Manufacture and Processing: Formulating Procedures and Compositions and other aspects.Application of 2358-84-1

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

On June 30, 2020, Su, Xiaobin; Wang, Yingyu; Peng, Xiongqi published an article.Product Details of 2358-84-1 The title of the article was An anisotropic visco-hyperelastic model for thermally-actuated shape memory polymer-based woven fabric-reinforced composites. And the article contained the following:

An anisotropic visco-hyperelastic constitutive model for thermally-actuated woven fabric-reinforced shape memory polymer composites (SMPCs) is proposed. The viscoelasticity of the shape memory polymer and anisotropic hyperelasticity of the fabric are sep. described. The second law of thermodn. is used to derive the constitutive relations through decomposing the thermodn. free energy. A woven fabric-reinforced SMPC is prepared and its thermomech. and shape memory experiments are conducted to verify the proposed model. Comparison between the predicted and experiment results indicates an good consistency, which attests that the developed model can predict the anisotropic mech. and shape memory properties of thermally induced SMPCs reinforced by woven fabrics effectively. And numerical investigation of the effect of fiber yarn orientation on the shape fixity and recovery is also performed. The experimental process involved the reaction of Oxybis(ethane-2,1-diyl) bis(2-methylacrylate)(cas: 2358-84-1).Product Details of 2358-84-1

The Article related to polymer woven fabric reinforced composite anisotropic viscohyperelastic model, Plastics Manufacture and Processing: Physical Properties and Testing Methods and other aspects.Product Details of 2358-84-1

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

Usmanov, S. M.; Berlin, A. A.; Kochervinskii, V. V.; Sivergin, Yu. M.; Shashkova, V. T.; Zelenev, Yu. V. published an article in 1976, the title of the article was Dielectric relaxation in oligoester acrylates.Name: 2,2-Dimethylpropane-1,3-diyl bis(2-methylacrylate) And the article contains the following content:

The dielec. relaxation behavior for 4 oligoester acrylates (OEA) showed that glassification in the OEA was of a cooperative nature and could be described by the Onsager model. The OEA studied were α,ω-bis(methacryloyloxy)-2,2-dimethylpropylene [1985-51-9] and the α,ω-bis(methacryloyloxyethyleneoxycarbonyloxy) derivatives of propylene [60028-80-0], 2,2-dimethylpropylene [54547-48-7], and 2,2-dichloropropylene [61550-96-7]. The relaxation time spectra of the OEA reflected contributions by different forms of high-frequency intramol. motion during the α relaxation process and by the cooperative occurrence of glassification via strong intermol. interaction. The cooperative nature of the α relaxation mechanism was also indicated by low activation energy values. Calculations using the Frelikh (1960) theory for the B-T dependence at temperatures above the glass temperature indicated a nonordered orientation of dipoles. The experimental process involved the reaction of 2,2-Dimethylpropane-1,3-diyl bis(2-methylacrylate)(cas: 1985-51-9).Name: 2,2-Dimethylpropane-1,3-diyl bis(2-methylacrylate)

The Article related to dielec relaxation oligoester acrylate, glass transition oligoester acrylate, Plastics Manufacture and Processing: Physical Properties and Testing Methods and other aspects.Name: 2,2-Dimethylpropane-1,3-diyl bis(2-methylacrylate)

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