3results about How to "High monomer conversion rate" patented technology

The present application relates to the technical field of polymer preparation, and in particular to a preparation method and application of a styrene acrylate polymer emulsion, the preparation method comprising the following steps: S1, adding a reactive cationic emulsifier into deionized water to obtain an emulsifier solution; S2, mixing styrene, acrylate, a co-stabilizer and an initiator, then adding the mixture into the emulsifier solution, ultrasonic treatment, and reacting at 60-70 DEG C for 5-7 h under the protection of inert gas to obtain the styrene acrylate polymer emulsion. The monomer conversion rate of the preparation method is high, the particle size distribution of the obtained styrene acrylate polymer emulsion is uniform, and the application range is wide.

The application provides polybutene-1 and a preparation method thereof, a non-metallocene catalyst used in the preparation method and a preparation method of the non-metallocene catalyst, and the non-metallocene catalyst comprises the following formula I structure: wherein R1 and R2 are selected from hydrogen and a hydrocarbon group with 1-10 carbon atoms, R1 and R2 are the same or different, R3 is selected from hydrogen and a hydrocarbon group with 1-10 carbon atoms, R4 is selected from a methyl group, an ethyl group and a n-propyl group, and Ar is a phenyl group, a naphthyl group, a phenyl group substituted with an aliphatic hydrocarbon group or a naphthyl group substituted with an aliphatic hydrocarbon group. The non-metallocene catalyst of the application has a bridged pyridyl amine hafnium structure, is used for catalyzing synthesis of polybutene-1, has high catalytic activity, high monomer conversion rate, and the prepared polybutene-1 has high stereoregularity and narrow distribution.

The invention provides a dynamic micro-interface polymerization method of a two-dimensional polymer material and application of the dynamic micro-interface polymerization method in preparation of a quasi-solid electrolyte, and the dynamic micro-interface polymerization method comprises the following steps: adding a first reaction monomer into a solvent, and stirring to obtain a first monomer solution; adding a second reaction monomer into the solvent, and stirring to obtain a second monomer solution; adding the second monomer solution into the reaction container, injecting the first monomer solution into the second monomer solution under a stirring condition, and reacting to obtain a mixed system; and carrying out suction filtration, purification and drying on the mixed system to obtain the two-dimensional polymer material. According to the dynamic micro-interface polymerization method disclosed by the invention, a dynamic micro-interface reaction system with a huge specific surface area is constructed through external mechanical stirring, and a reaction place is expanded from a limited two-dimensional plane to a massive micron-scale interface in a three-dimensional space, so that the core defect of insufficient interface area in static interface polymerization is fundamentally overcome.