Category: 142-90-5

Li, Ya-Ning published the artcileHydrogen Bond Effects: A Strategy for Improving Controllability in Organocatalytic Photoinduced Controlled Radical Polymerization Targeting High Molecular Weight, Recommanded Product: Dodecyl 2-methylacrylate, the main research area is hydrogen bond organocatalysis photoinduced controlled radical polymerization.

A highly efficacious photoinduced reversible complexation-mediated polymerization (photo-RCMP) system using amino alc. N-oxide as the catalyst was developed, allowing access to controlled high-mol.-weight polymers of different methacrylates (Mn = 497-815 kg/mol, D < 1.5), which is challenging for those known catalytic systems of photo-RCMPs and most organocatalytic photoinduced controlled radical polymerization as it demands higher controllability of catalysts. The monomers can be converted into the polymers nearly quant. under simulated or natural sunlight irradiation Strong hydrogen bond effects are observed in this high-mol.-weight photo-RCMP, in terms of both monomer conversion and mol. weight controllability. The insights of the effects are revealed as the intramol. hydrogen bond of the N-oxide catalyst modifies the electron d. of N-oxide, and thereby facilitates the regeneration of the catalyst (activator) and release of I2 as a predominant effective regulator of radical concentration, by the studies of x-ray anal., control experiments, d. functional theory calculation, UV-vis absorption spectroscopy, etc. ACS Catalysis published new progress about Hydrogen bond. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Recommanded Product: Dodecyl 2-methylacrylate.

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

Li, Pengcheng published the artcileSynthesis and properties of the active polymer for enhanced heavy oil recovery, Related Products of esters-buliding-blocks, the main research area is alkylphenol ethoxylate active polymer enhanced heavy oil recovery.

With the continued recovery of heavy oil, conventional polymer flooding cannot be applied to heavy oil reservoirs gradually due to the characteristics of heavy oil reservoirs. To study oil displacement agent suitable for enhanced heavy oil recovery and investigate the effect of EO chain length on the performances, acrylamide, acrylic acid, lauryl methacrylate and C10-C16 alkylphenol ethoxylates were selected to co-polymerize into the active polymer PAAP-x with different EO chain length (14, 16, 18, 20 and 22). Proton NMR anal. indicated PAAP-x as the target product. The optimal EO chain length of PAAP-x was determined to be 18 by the anal. of thickening, salt-tolerance, interfacial activity, wettability, viscosity reduction and recovery. Compared with conventional polymer P1, 1500 mg/L PAAP-18 exhibited superior performances with salinity of 6882.2 mg/L: (1) PAAP-18 could maintain the viscosity of 113.1 mPa.s, while P1was 44.8 mPa.s. (2) PAAP-18 could reduce the water-oil IFT from 44.4 mN/m to 13.0 mN/m, while P1 was to 30.6 mN/m, and the water-oil contact angle was 58.2°and 108.5°, resp. (3) The heavy oil viscosity reduction rate of PAAP-18 was 81.7% at 50 °C, while P1 was only 33.8%. (4) PAAP-18 enhanced heavy oil recovery by 19.85% on the basis of water flooding while conventional polymer was only 8.69%. This study has theor. guidance and practical significance for the study on new oil displacement agent to enhance heavy oil recovery.

Colloids and Surfaces, A: Physicochemical and Engineering Aspects published new progress about Contact angle. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Related Products of esters-buliding-blocks.

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

Hoeppener, Christiane published the artcileMultimodal Characterization of Resin Embedded and Sliced Polymer Nanoparticles by Means of Tip-Enhanced Raman Spectroscopy and Force-Distance Curve Based Atomic Force Microscopy, Safety of Dodecyl 2-methylacrylate, the main research area is sliced polymer nanoparticle Raman spectroscopy atomic force microscopy; force-distance curve based atomic force microscopy; microtome slicing; multimodal characterization; polymer nanoparticles; resin embedding; tip-enhanced Raman spectroscopy.

Understanding the property-function relation of nanoparticles in various application fields involves determining their physicochem. properties, which is still a remaining challenge to date. While a multitude of different characterization tools can be applied, these methods by themselves can only provide an incomplete picture. Therefore, novel anal. techniques are required, which can address both chem. functionality and provide structural information at the same time with high spatial resolution This is possible by using tip-enhanced Raman spectroscopy (TERS), but due to its limited depth information, TERS is usually restricted to investigations of the nanoparticle surface. Here, TERS experiments are established on polystyrene nanoparticles (PS NPs) after resin embedding and microtome slicing. With that, unique access to their internal morphol. features is gained, and thus, enables differentiation between information obtained for core- and shell-regions. Complementary information is obtained by means of transmission electron microscopy (TEM) and from force-distance curve based at. force microscopy (FD-AFM). This multimodal approach achieves a high degree of discrimination between the resin and the polymers used for nanoparticle formulation. The high potential of TERS combined with advanced AFM spectroscopy tools to probe the mech. properties is applied for quality control of the resin embedding procedure.

Small published new progress about Crystallinity. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Safety of Dodecyl 2-methylacrylate.

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

Chen, Senbin published the artcileDesign of Semicrystalline Elastomeric Glassy Triblock Copolymers from Oligoamide-Based RAFT Agents, Recommanded Product: Dodecyl 2-methylacrylate, the main research area is semicrystalline elastomeric glassy triblock copolymer oligoamide RAFT.

Semicrystalline-elastomeric-glassy ABC triblock copolymers, consisting of precisely defined blocks based on oligoamide 11 (OPA11), poly(lauryl methacrylate) (PLMA), and poly(Me methacrylate) (PMMA) have been designed via the combination of melt polycondensation and reversible-addition-fragmentation-transfer (RAFT) polymerization techniques. Semicrystalline OPA11 prepared via melt polycondensation was equipped with a RAFT agent at the ω-position. The resulting functionalized oligomers were further used to mediate the radical polymerization of methacrylate monomers (LMA and MMA) and generate well-defined OPA11-b-PLMA-b-PMMA triblock copolymers. AFM observations of the triblock copolymer in bulk revealed a microphase separation consisting of the formation of PMMA domains surrounded by the PLMA matrix, and the presence of addnl. spherical nanodomains embedded into the PLMA matrix possibly corresponding to OPA11 semicrystalline regions. The triblocks were finally dissolved into a reactive epoxy-based mixture which was subsequently cured to generate a well-defined nanostructured epoxy-amine network by freezing the ABC triblock reaction-induced phase separation Thus, the morphol. appears as a homogeneous dispersion of nanometric spherical micelles (diameter: âˆ?20 nm) constituted of an elastomeric core of PLMA, an outer shell of PMMA and OPA11 in between. The described synthetic strategy and the proposed block copolymer structures may contribute to future efforts aiming at developing new hierarchically organized polymeric materials, which can be implemented in polymer physics and material science.

Macromolecules (Washington, DC, United States) published new progress about Crystallinity. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Recommanded Product: Dodecyl 2-methylacrylate.

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

Shen, Xin published the artcileBiphasic organohydrogels based on phase change materials with excellent thermostability for thermal management applications, Quality Control of 142-90-5, the main research area is biphasic organohydrogel phase change material thermal management thermostability.

Innovative thermal management materials are in high demand for construction of energy-efficient systems. Evaporative cooling hydrogel has been extensively investigated in passive building cooling owing to its cost-effective and environmental-friendly characteristics. However, poor mech. properties and shape instability severely restrict its scope and lifespan. In this study, we report an ingenious and effective thermal management material, the PCMs organohydrogel, with advanced thermal performance and outstanding shape and thermal stability, which integrates the advantages of evaporative cooling performance of water and latent heat storage capability of eicosane. The biphasic PCMs organohydrogel was synthesized by the CAA-HRP-H2O2 ternary enzyme-mediated polymerization of the eicosane-in-water emulsion stabilized by the cellulose acetoacetate (CAA). CAA played important roles in the system not only as the emulsifier but also as the polymerization mediator. The encapsulation of PCMs by the organohydrogel provides the composites outstanding thermal stability as the decomposition temperature of the eicosane was elevated by 101 °C. Furthermore, the PCMs organohydrogel exhibits excellent thermomech. performance and shape memory effect because of the wrapped phase-transition micro-inclusions and the interfacial tension of heterophases. The application of the PCMs organohydrogel as passive cooling material on the model house roof was demonstrated. The cooling effectiveness of the PCMs organohydrogel was investigated, indicating that the biphasic PCMs organohydrogel is expected to be an efficient and reliable passive thermal management material in building thermoregulations.

Chemical Engineering Journal (Amsterdam, Netherlands) published new progress about Decomposition. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Quality Control of 142-90-5.

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

Liu, Kunpeng published the artcileChemical bonding of biological valve leaflets with an aminated zwitterionic copolymer for long-term anticoagulation and improved anti-calcification, Recommanded Product: Dodecyl 2-methylacrylate, the main research area is valve leaflet aminated zwitterionic copolymer chem bonding anticoagulation anticalcification.

Glutaraldehyde cross-linked pericardium (GLUT), mostly used in Bioprosthetic heart valves (BHVs) clin., still has problems of valve thrombus, cytotoxicity, and calcification. Although many new crosslinking approaches have been explored to obtain certain biol. achievements, their clin. applications are still some way off, which might be ascribed to the limitations of preservation and sterilization. In this study, a novel post-crosslinking of GLUT was developed using a zwitterionic copolymer. The copolymer imitating the mol. structure of phospholipids was composed of the copolymerization of 2-methacryloyloxyethyl phosphorylcholine (MPC), N-(3-Aminopropyl) methacrylamide hydrochloride (APMA), and Lauryl methacrylate (LMA). With the introduction of primary amines, the zwitterionic copolymer could be effectively utilized in the post-crosslinking of GLUT. Meanwhile, the anticoagulation properties of valve leaflets could be adjusted by combining aminated zwitterionic copolymers with different mol. weights The valve leaflets modified with aminated zwitterionic copolymer not only maintained original mech. property and structural integrity, but also significantly improved the long-term anti-coagulation and stability in vitro and ex vivo. The s.c. implantation confirmed that the modified leaflets possessed great resistance to calcification along with reduced inflammatory response. Besides, the modified leaflets could be further stored in glutaraldehyde solution (a storage formula for com. valves) and still retained great anti-coagulant and anti-calcification properties. The study demonstrated a better clin. potential of the modified leaflets via the post-crosslinking of glutaraldehyde treated leaflets with the aminated zwitterionic copolymer.

Chemical Engineering Journal (Amsterdam, Netherlands) published new progress about Calcification. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Recommanded Product: Dodecyl 2-methylacrylate.

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

Zhang, Rui published the artcileA facile strategy toward hydrophobic-oleophilic 3D Fe foam for efficient oil-water separation, Safety of Dodecyl 2-methylacrylate, the main research area is iron foam dodecyl mercaptan coating separator wastewater treatment.

In this work, we present a hydrophobic-oleophilic Fe foam for oil-water separation Hydrophobic-oleophilic Fe foam was fabricated simply through dip-coating with n-dodecyl mercaptan. The morphol., chem. composition and water contact angle of the Fe foam were characterized. The Fe foam could absorb a variety of oils, such as diesel, toluene, xylene, cyclohexane, dodecyl methacrylate, crude oil, 1,2-dichloroethane, hexane and chloroform, these oils could be underwater or on water surface, and it exhibited excellent durability, verified by the high separation efficiency (more than 98.8% for a cyclohexane-water mixture) after reusing for 48 times. Furthermore, oil collection with the Fe foam could be controlled remotely using external magnetic field, and the Fe foam displayed high flux, good anti-corrosion and wear resistance. The simple and low-cost fabrication method enabled the Fe foam to be a promising candidate for large-scale oil-water separation and for remotely controllable water purification

Journal of Materials Science published new progress about Contact angle. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Safety of Dodecyl 2-methylacrylate.

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

Xu, Liyun published the artcileStable super-hydrophobic lauryl methacrylate film fabrication on the surface of cotton fabrics in plasma-enhanced chemical vapor deposition with different duty cycles, Formula: C16H30O2, the main research area is lauryl methacrylate cotton fabric film fabrication superhydrophobicity.

In this paper, stable super-hydrophobic lauryl methacrylate (LMA) film on the surface of cotton fabrics was fabricated by a simple process of pulsed plasma-enhanced chem. vapor deposition (PECVD) with different duty cycles. The influence of duty cycles on the surface structure and properties of cotton fabrics was analyzed after a series of measurements. The results showed that water contact angles (WCAs) of samples were inversely proportional to the duty cycle values and exhibited the highest WCA (162°) at a duty cycle of 2%. The optimized washing durability of samples was obtained under the treatment of duty cycle of 25% and the WCA could still reach 127° after 15 laundering cycles. The formation of a micro-nano-composite structure and evenness of film could be observed by at. force microscopy and SEM. Nevertheless, the sample, which was treated by plasma with a 25% duty cycle, had the best uniformity of film deposition. The results of attenuated total reflection Fourier transform IR spectroscopy and XPS illustrated that the LMA monomer was grafted and deposited on the surface of cotton fabrics successfully in covalent binding after PECVD treatment, and this was supposed to be the cause of the washing stability of the films. The results indicated that cotton fabrics modified with the proposed method can exhibit excellent super-hydrophobicity and washing durability, while the duty cycle was an appreciable effect factor in the modification.

Textile Research Journal published new progress about Contact angle. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Formula: C16H30O2.

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

Fernandes, Marta published the artcileBacterial cellulose and emulsified AESO biocomposites as an ecological alternative to leather, HPLC of Formula: 142-90-5, the main research area is bacterial cellulose emulsified acrylated epoxidized soybean oil hydrophobic composites; thermal mech property; acrylated epoxidized soybean oil; alternative leather; bacterial cellulose; biocomposite; emulsion; exhaustion.

This research investigated the development of bio-based composites comprising bacterial cellulose (BC), as obtained by static culture, and acrylated epoxidized soybean oil (AESO) as an alternative to leather. AESO was first emulsified; polyethylene glycol (PEG), polydimethylsiloxane (PDMS) and perfluorocarbon-based polymers were also added to the AESO emulsion, with the mixtures being diffused into the BC 3D nanofibrillar matrix by an exhaustion process. SEM and Fourier transform IR (FTIR) spectroscopy anal. demonstrated that the tested polymers penetrated well and uniformly into the bulk of the BC matrix. The obtained composites were hydrophobic and thermally stable up to 200°C. Regarding their mech. properties, the addition of different polymers lead to a decrease in the tensile strength and an increase in the elongation at break, overall presenting satisfactory performance as a potential alternative to leather.

Nanomaterials published new progress about Contact angle. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, HPLC of Formula: 142-90-5.

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

Wan, Xizi published the artcileA Wetting-Enabled-Transfer (WET) Strategy for Precise Surface Patterning of Organohydrogels, Safety of Dodecyl 2-methylacrylate, the main research area is wetting enabled transfer WET strategy precise surface patterning organohydrogel; interfacial interactions; organohydrogels; surface patterning; wetting-enabled-transfer (WET).

The ability to manipulate water and oil phases in a designable manner is of great significance in widespread fields from art paintings to materials science. However, achieving precise and stable surface patterns for two immiscible phases of water and oil remains a challenge. Herein, a general wetting-enabled-transfer (WET) strategy is reported to construct discretionary shape-defined surface patterns of organohydrogels along with their monolithic formation either from flat to curved surfaces or from the microscale to the macroscale. Locally differentiated wettability induces hydrophilic monomers and hydrophobic monomers from an emulsion system onto the wettability-matching regions of the prepatterned substrates, subsequently forming corresponding hydrogel and organogel patterns on the organohydrogel surface after in situ photopolymerization The precision of the surface patterns can be controlled by optimizing the gel monomers, emulsion droplet size, and surface chem. composition of the prepatterned substrates. This finding may provide a feasible strategy for precisely patterning functional materials from two-immiscible-phase systems.

Advanced Materials (Weinheim, Germany) published new progress about Contact angle. 142-90-5 belongs to class esters-buliding-blocks, name is Dodecyl 2-methylacrylate, and the molecular formula is C16H30O2, Safety of Dodecyl 2-methylacrylate.

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