Terephthalaldehyde CAS 623-27-8

The fluorescent whitening agent mainly includes two types: di -styrene -based plybonate (such as CBS, etc.) and bisotrazine. ER-I is one of the representative varieties of di-styrene-based phenylphenyrine. Totoids and cyanide chlorine reactions were used to obtain phosphorus and nitrogen-containing aromatically ring intermediates, and then an ER-I reaction with the WITTING reaction with pipylin formaldehyde.

The results of the study showed that the Moore ratio of phosphate and chlorine was 1.1, the feeding temperature was controlled at 140 ° C, the reaction time was 9 h, and the total revenue of the two -step reaction was 93%. Adopt (adjacent cyanoprilis) moltic acid diacerne, (to cyanoprite) radonic acid diacerne, phenyl formaldehyde, and sodium hyamanol synthetic fluorescent whitening agent DX -EB. ) The proportion of dihymes to (neighboring cyanobacter cyisyl) dihydronate is 1.5, and when the reaction temperature is 40 ° C, 1-neighbor-cyanobyrene-4-4 The highest rate is 74.72%.

There is a new type of SBQ photoresal monomer. Specifically, organic base catalysts instead of traditional weak acids and strong acid catalysts, synthetic pyridine seasoning ammonium salt, adding the salt to containing methanol, toluene and benzene formaldehyde, and other organic organic formaldehyde, and other organic organic In the organic alkaline solution of the solvent, the solution is obtained for 5-8 hours of return. The cooling crystals obtain the SBQ monomer with bright yellow purity than 99%. In addition to being used as a fluorescent whitening agent, phenyl formaldehyde can also synthesize fluorescent materials for material testing.

For example, with phenyl formaldehyde and aminophenol as the raw material, the amino phenol recognition unit with complex metal function and the chemical fluorescence sensor of the benzene formaldehyde report unit can detect CU2 + efficiently and highly selectively. It has been successfully applied to the CU2 + concentration in the detection of fresh L929 cells; the use of Rodinming and benzenethatin is used to obtain photovoltaic substances through the reaction of Sidhine. The transition metal has only a slight interference to the spectral spectra. This light -sensitive substance branch is on the surface of the SiO2 nanoparticles, which ensures the repetitiveness of the sensing. It is expected to be further used in optical sensors.

The use of phenyldehyde and sulfidamide as a substrate, and sodium hydroxide as a trigger, synthesized a semiconductor blue fluorescent cypamidazole dye compound. This type of compound can withstand the temperature up to 200 ° C, not only in ultraviolet ultraviolet The wavelength of the area 264 nm is absorbed, and it has a strong absorption spectrum at 485 NM at the visible light zone.

The price band of this type of compound can be 2.56 EV, which is fluorescent in 467 nm and 497 nm. In the future, it may be applied to electronics and optics. The solvent thermal synthesis, normal return and microwave auxiliary are used to obtain a polymer with fluorescence performance. The results show that the sample of 180 ° C solvent synthesis has a better detection of triangular nitrate tactone performance in the soil. The minimum concentration of tritenophyls is 1.8 nmol/L.

The combined meter -alcohol -alcohol -alcohol -alcohol -alcohol -alcohol -alcohol -alcohol -alcohol -alcoholic and phenyl formaldehyde solvents synthesize the dual -covalent pyrine frame polymer. This type of polymer has good thermal stability below 350 ° C, which is used to catalyze Perarhol, ring ring, ring Headiene,? -Onemine can produce epoxy compounds highly selectively. For example, under the condition that the reaction temperature is 80 ° C and peroxide as the oxygen source, the catalytic cycloonne oxidation is catalyzed, the reaction is 24 h, the conversion rate of cyclonene is 99%, and the selection of 1,2-epoxy hexane selection Nine9%; catalytic oxidation of the styrene under the same conditions, the composite conversion rate and the selectivity of epoxyxylene are 99%and 68%, respectively.

Adopt melamine and phenyldehyde formaldehyde to form polymer by reacting high temperature polymerization at high temperature polymerization at a solvent without solvents. Under the visible light, the efficiency of optical water solution is 58.1 μmol H-1. This result is twice the efficiency of light-doping water-doping carbon samples doped by nitrogen. application.

Based on the inter -phenyl trisophenol and phenyldehyde as the raw material, the water and thermal method synthesize the micro -hole organic frame polymer. Under ultraviolet light, this type of compound catalyzed the poisonous CR6 + to the low -toxic CR3 + obeyed zero -level response Dynamic model, light-solving and reduction efficiency is twice the Degussap-25 TIO2, and the catalyst circulation uses more than 10 times of light reduction performance without significantly decreased significantly. According to the ratio of 1: 1.25: 1 by analine and pheenaldehyde and sulfonic acid sulfonate, the 75 ° C reaction is 24 h, and the polymer solid acid catalyst is synthesized at a high revenue.

Compared with the conventional pyridinel to toluene sulfonic acid, this polymer catalyst has more effective catalytic alcohol hydroxyl hydrogen pyrodiamids and tetrahydrofuxu, trimetolite silicane ether, and tetraxilxane silicane ether. Response performance. For example, at room temperature, 12-alcohols are 98%in 2.5 h, and the protection income is 100%within 3.5h. The raw material (POF-1), which is pic-benzben formaldehyde and pyrathera, 吲哚, and Kaazole is synthesized by the raw material. With a spherical structure and a ratio of 777 m2/g, under the conditions of 0 ° C and normal pressure, it can store 14 % WT carbon dioxide and 9 % ethylene. 1.2 %WT hydrogen.

The cycosone (or cycol alcohol) monomer and phenyl two -formaldehyde replaced by the polyroxyl alcohol are used as the raw material. Involved in conventional solvents such as benzene, alcohol and chloroform can only be fully dissolved in hexofluoropropine. The use of phenyldehyde and pyri as the raw material, the sixth rings of the epoxy as the solvents, the solvent thermal synthesis has a spherical organic frame structure of 694 m2G-1 and a diameter of 4 m. After the carbonization has a good capacitor ability, the carbon balls after KOH are treated are still well maintained. Compared with the surface area of 1303 m2G-1, under the condition of 2 AG-1, it can be retained by 10,000 times and can still be retained. More than 92% of the capacitance.

Adopt melamine and phenyldererdehyde at 180 ° C, a 10 -h generated by 10 h to generate the covalent frame structure of the Sterf base price. Then the covalent frame structure of the Sterf base price is coated with the carbon layer, which evaporates at 200 ° C and the 800 ° C is high temperature. The carbon membrane with a micro-holes and large-hole structure is 679 m2/g. This carbon membrane is conducive to electrolyte penetration. Under the condition of 1 moll-1koh, the capacitor is 244.7 mf/cm2. The composite polymer between pyrovic and this carbon film has further increased to 244.7 MFCM-2 than capacitors due to the synergistic effects of cymbal capacitors and low resistance.

Studies have found that liquid -phase phenyldehyde, cinnamonic acid, and pentalhydronin synthesis of the pentalhydrolytic three -yuan messenger materials have better stability and acid resistance of the membrane material formed by a single raw material. Effective extraction can be performed through this membrane material. CopNA (COPNA) is usually used by the Philippines, and the pipylene glycol is used as an cross-linked agent. Under the action of toluene sulfonic acid catalysts, it passes 100 ° C-1.120 ° C, and then 200 ° C-300 -300 Obtained ℃ solidification reactions. The coal asphalt and benzene formaldehyde are used as the front -drive body. Under the catalysis of toluene sulfonic acid catalytic reactions to generate asphalt resin. The resin obtained in this way has good thermal resistance and adhesion performance.