Shaanxi BLOOM Tech Co., Ltd. is one of the most experienced manufacturers and suppliers of bisphenoxyethanolfluorene cas 117344-32-8 in China. Welcome to wholesale bulk high quality bisphenoxyethanolfluorene cas 117344-32-8 for sale here from our factory. Good service and reasonable price are available.
Bisphenoxyethanolfluorene is a white powder material that can be dissolved in organic solvents such as toluene, absolute ethanol, acetone, ethyl acetate and dichloromethane. Dietherfluorene is a white powder material, which is a new type of organic chemical raw material with high stability. It is mainly used to synthesize materials with excellent heat resistance, transparency and high refractive index polymer monomers ( e. g., epoxy resin, polycarbonate, polyester, polyether or polyether ), which can also be used as OLED raw materials.
|
Chemical Formula |
C29H26O4 |
|
Exact Mass |
438 |
|
Molecular Weight |
439 |
|
m/z |
438 (100.0%), 439 (31.4%), 440 (2.7%), 440 (2.0%) |
|
Elemental Analysis |
C, 79.43; H, 5.98; O, 14.59 |
Bisphenoxyethanolfluorene COA
Bisphenoxyethanolfluorene,The chemical name is 9,9-di [(4-hydroxyethoxy) phenyl] fluorene, abbreviated as BPEF, which is an organic compound with a unique chemical structure and properties. It occupies an important position in the field of chemistry, and its wide range of applications makes in-depth research on it of great significance. The following is a detailed explanation of its purpose:
Application in the field of optical materials
BPEF is one of the important monomers for synthesizing high refractive index optical resins. By copolymerizing with other monomers such as methyl methacrylate (MMA) and bisphenol A dimethacrylate (Bis GMA), optical resins with high refractive index can be prepared. During the copolymerization process, the double bonds in BPEF molecules undergo addition reactions with the double bonds of other monomers, forming a polymer with a three-dimensional network structure. Due to the high refractive index property of BPEF, the refractive index of the optical resin introduced with BPEF is significantly improved. For example, in the preparation of eyeglass lens materials, the refractive index of traditional optical resins is generally between 1.50-1.56, while high refractive index optical resins with BPEF added can achieve a refractive index of 1.60 or even higher. High refractive index lenses can be made thinner at the same degree, reducing the weight of the lens and improving the comfort of wearing. At the same time, high refractive index can also reduce the edge thickness of the lens, improve the appearance of the lens, and make the glasses more beautiful.
Manufacturing of optical resin lenses
BPEF based high refractive index optical resin has a wide range of applications in lens manufacturing. In addition to the eyeglass lenses mentioned above, they can also be used to manufacture various optical instrument lenses such as camera lenses, telescope lenses, microscope lenses, etc. In the manufacturing process, BPEF is first mixed with other monomers in a certain proportion, initiators and additives are added, and the resin is processed into the desired lens shape through injection molding, compression molding and other processes. BPEF based optical resin lenses not only have the advantage of high refractive index, but also have good optical and mechanical properties. Its high transparency ensures that the lens can form clear images, reducing aberrations and light distortions. At the same time, the impact resistance of the lenses has also been improved, making them less prone to breakage and enhancing their safety during use. In addition, BPEF based optical resin lenses can also be equipped with functional additives such as UV absorbers and anti blue light agents to provide anti UV and anti blue light functions, meeting the needs of different users.
In the field of optical and electronic devices, BPEF based optical resins can also be used to manufacture packaging materials. Optical electronic devices, such as light-emitting diodes (LEDs), laser diodes (LDs), etc., generate heat during operation and require packaging materials with good heat dissipation and optical properties to protect the devices and improve their luminous efficiency. BPEF based optical resin packaging materials have high refractive index and transparency, which can effectively improve the efficiency of light emission and reduce the reflection and absorption losses of light inside the packaging material. Meanwhile, its excellent heat resistance and mechanical properties ensure that the packaging material can work stably in high temperature and complex environments, protecting the device from external environmental influences. For example, in the field of LED lighting, the use of BPEF based optical resin encapsulation materials can improve the luminous brightness and efficiency of LEDs, extend their service life, and promote the development of LED lighting technology.
Application in the field of optical thin films
Anti reflective film is an optical thin film used to reduce surface reflection loss of optical components, which can improve the transmittance of optical systems. BPEF can be used to prepare anti reflective film materials by copolymerizing or blending them with other functional monomers to produce thin film materials with specific refractive indices and optical properties. During the preparation process, thin film materials are deposited on the surface of optical components using techniques such as solution coating, vacuum evaporation, and sputtering. The working principle of BPEF based anti reflection film is to utilize the interference effect of the thin film to cancel out the reflected light, thereby reducing the reflection loss. Due to the high refractive index characteristic of BPEF, the refractive index of the film can be precisely controlled to match the refractive index of the optical element, achieving the best anti reflection effect. For example, in the field of solar cells, coating BPEF based anti reflective films on the surface of solar cells can improve their absorption efficiency of sunlight and increase their output power.
In addition to anti reflective films, BPEF can also be used to prepare reflective films. The function of reflective film is to reflect light back in a specific direction, and it is widely used in fields such as lasers, optical instruments, lighting equipment, etc. BPEF based reflective films can achieve high reflectivity by introducing metal nanoparticles into thin films or using multi-layer film structures. In lasers, high reflectivity reflective films are used to form laser resonators, improving the output power and beam quality of the laser. BPEF based reflective films have excellent optical properties and thermal stability, and can maintain stable reflection performance under high-power laser irradiation, meeting the long-term stable operation requirements of lasers.
Preparation of polarizing film
Polarization film is an optical thin film that can selectively pass polarized light in a specific direction, and has important applications in fields such as liquid crystal displays (LCDs), 3D displays, and optical communications. BPEF can participate in the preparation of optical thin film materials with polarization function. By introducing anisotropic molecular structures or nanoparticles into the film, the film can have different transmittance for light with different polarization directions. BPEF based polarizing film has good polarization performance and optical stability, which can improve the contrast and color saturation of display devices, and enhance the display effect. In 3D display technology, polarizing film is one of the key components for achieving 3D visual effects, and the application of BPEF based polarizing film has promoted the development and innovation of 3D display technology.
In the field of coatings and inks
In fields such as marine engineering and ships, anti fouling coatings are needed to prevent marine organisms from adhering and growing on the surface of objects, reducing their corrosion and damage to them. BPEF can be copolymerized with other functional monomers to prepare coatings with anti fouling properties. BPEF based anti fouling coatings have good water resistance and chemical stability, and can maintain anti fouling effects in marine environments for a long time. At the same time, the high refractive index characteristic of BPEF can also improve the glossiness of the coating, making the appearance of objects such as ships more beautiful. For example, coating BPEF based anti fouling coatings on the hull of ships can effectively prevent the adhesion of marine organisms, reduce the navigation resistance of ships, and improve navigation efficiency. With the continuous development of electronic technology, the application of conductive coatings in electronic devices, electromagnetic shielding and other fields is becoming increasingly widespread. BPEF can be compounded with conductive fillers such as silver powder, carbon nanotubes, etc. to prepare coatings with conductive properties.
high gloss ink
Packaging printing ink: Better visual effect, improve product grade and market competitiveness. BPEF can be used to prepare connecting resin for high gloss ink, and by compounding it with other resins, pigments, etc., ink products with high gloss can be prepared. The high refractive index and transparency characteristics of BPEF enable ink to form a smooth and flat ink film after printing, improving the glossiness and color saturation of printed products. For example, in the fields of food packaging, cosmetics packaging, etc., using BPEF based high gloss ink for printing can make product packaging more exquisite and attract consumers' attention. Label printing requires ink to have good adhesion and durability, while also requiring printed materials to have high glossiness to ensure clear, readable, and aesthetically pleasing labels. BPEF based high gloss ink can meet the needs of label printing and form good ink films on different label materials. Its excellent heat resistance and chemical stability enable the label to maintain stable performance in various environments, without fading or falling off easily. For example, in the fields of electronic product labels, drug labels, etc., BPEF based high gloss inks have been widely used.
We are the supplier of Bisphenoxyethanolfluorene .
Remark: BLOOM TECH(Since 2008), ACHIEVE CHEM-TECH is the subsidiary of us.
Bisphenoxyethanolfluorene (BPEF) is an important member of the fluorene compound family, with a molecular structure consisting of a central fluorene ring and phenoxyethanol groups on both sides. This unique structural design of BPEF combines the stability of aromatic compounds with the flexibility of ether compounds, which has attracted widespread attention in the field of materials science. Since its first report in the 1990s, BPEF has shown great potential for applications in high-performance polymers, organic light-emitting diodes (OLEDs), drug delivery systems, and other fields due to its excellent optoelectronic properties, good thermal stability, and controllable solubility.
Fluorene, as an important polycyclic aromatic hydrocarbon, has a research history dating back to the late 19th century. In 1885, German chemist Baeyer first isolated fluorene from coal tar and determined its basic structure. In the first half of the 20th century, with the development of organic chemistry theory, scientists began to systematically study the synthesis and properties of various fluorene derivatives. In the 1950s, American chemist Pauling conducted in-depth research on the electronic structure of fluorene, revealing its unique conjugated system and rigid planar configuration, which laid a theoretical foundation for the design of subsequent fluorene functional molecules.
In the 1980s, the rise of functional materials science propelled molecular engineering research on fluorene compounds. In 1987, Japanese materials scientist Yamamoto first proposed the idea of regulating material properties through functionalization of the 9-carbon atom of fluorene. In this context, scientists began to attempt to introduce various substituents on the fluorene ring in order to obtain derivatives with special functions. The design concept of diphenyloxyethanol fluorene was gradually formed in such a research atmosphere.
In 1992, American chemist Miller first proposed the idea of introducing phenoxyethanol groups on the 9th carbon of fluorene while studying liquid crystal materials. His theoretical calculations indicate that this structure can maintain the conjugation properties of the fluorene ring and improve the processing performance of the material through the flexibility of ether bonds. This innovative molecular design concept directly led to the birth of BPEF, opening a new chapter in the research of fluorene functional materials.
In 1995, a US research team first reported the successful synthesis of BPEF in the Journal of Organic Chemistry. The team adopted a step-by-step synthesis strategy: first, 9-fluorenol was obtained through the reduction of fluorenone, and then Williamson ether synthesis reaction was carried out with p-bromophenethyl ether under alkaline conditions to finally obtain the target product. The overall yield of this initial synthesis route is about 35%, although the efficiency is not high, it confirms the synthesizability of BPEF molecules.
The structural confirmation of BPEF has undergone a systematic analysis and testing process. The research team determined the chemical composition of the product through elemental analysis, and infrared spectroscopy detected the vibration of the fluorene ring skeleton (around 1600cm ^ -1) and characteristic peaks of ether bonds (1250cm ^ -1). The nuclear magnetic resonance hydrogen spectrum showed typical proton signals of the fluorene ring (δ 7.2-7.8) and methylene signals of phenoxyethyl (δ 4.0-4.5). Mass spectrometry analysis provided molecular ion peaks that matched the molecular weight, further confirming the correctness of the target structure.
In 1997, Japanese scientists first analyzed the crystal structure of BPEF through X-ray single crystal diffraction. The results indicate that two phenoxyethyl substituents form a dihedral angle of approximately 60 ° with the plane of the fluorene ring, which effectively reduces intermolecular π - π stacking and explains the good solubility of BPEF. Crystal structure analysis also revealed the presence of weak hydrogen bonds between C-H ··· O in the molecule, which is of great significance for understanding the solid-state properties of BPEF.
Hot Tags: bisphenoxyethanolfluorene cas 117344-32-8, suppliers, manufacturers, factory, wholesale, buy, price, bulk, for sale, Hydroxylamine hydrochloride powder, N N Dimethylformamide pure, tris base powder, Solvent, benzoyl peroxide powder, melamine powder