40 results about "Butyl mercaptan" patented technology

The invention discloses a method for catalytically synthesizing sulfurized isobutylene, which is used for preparing high-yield and high-purity sulfurized isobutylene in a mild synthesis mode under the combined action of ultrasound and a catalyst. The method comprises the following steps: mixing tert-butyl mercaptan and sulfur, and carrying out ultrasonic dispersion treatment to obtain a dispersion system; under the ultrasonic action, adding a catalyst into the dispersion system for reaction; the catalyst is aluminum oxide modified by ZnO and ZrO2; and after the reaction is finished, filtering the reaction system, separating out the catalyst, and carrying out reduced pressure distillation to obtain sulfurized isobutylene.

The application discloses a method for hydrogen sulfide resource utilization by using kaolin modified molecular sieve, wherein the kaolin modified molecular sieve is prepared by the following steps: calcining kaolin at 700-800 DEG C, stirring and reacting the calcined kaolin in 3-5 mol / L H2SO4 solution, performing solid-liquid separation, washing the solid to neutral, drying, placing the dried product, tetrapropylammonium hydroxide and high fructose corn syrup in a high-pressure reaction kettle, adding ammonia water to adjust the pH to 9-10, and then reacting at 180-190 DEG C, performing solid-liquid separation, washing the solid, and then calcining the solid at 500-700 DEG C; the kaolin modified molecular sieve is applied to the synthesis of butyl mercaptan from butene and hydrogen sulfide, can simultaneously improve the conversion rate of isobutene and the selectivity of butyl mercaptan, and has good stability, still has good catalytic effect after being used for 53 h, and the service life of the catalyst is greatly improved, and the application provides a new way for the efficient synthesis of butyl mercaptan.

The application discloses a single-ion conductor star-shaped block copolymer and a preparation method and application thereof. The method comprises the following steps: reacting potassium phosphate, 1-butyl mercaptan and carbon disulfide at 25-30 DEG C while stirring, then adding 1,3,5-tris(bromomethyl)benzene and reacting at 25-30 DEG C while stirring for 10-12 hours, separating and drying the product in the reaction solution to obtain intermediate I, reacting methoxy polyethylene glycol acrylate and the intermediate I under the action of an initiator at 75-85 DEG C in a vacuum state for 45-50 hours, separating the product in the reaction solution to obtain intermediate II, reacting lithium ethylene bisphenylsulfonylimide and the intermediate II under the action of an initiator at 75-85 DEG C in a vacuum state for 45-50 hours, and separating the product in the reaction solution to obtain the single-ion conductor star-shaped block copolymer. The single-ion conductor star-shaped block copolymer is used as a filler to solve the problem of low ion conductivity of a solid-state polymer electrolyte.