Method for preparing composite membrane by ultrasonic spraying method

Method for preparing composite membrane by ultrasonic spraying method

The invention discloses a method for preparing a composite membrane by an ultrasonic spraying method, and belongs to the technical field of membrane preparation. Dissolving a polyamine water-phase monomer in water to obtain a water-phase solution; dissolving an acyl chloride monomer in an organic so...

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Hauptverfasser: FAN WENHUA, CAI ZHENGWEI, XU JIA, CHEN SHUSHUO, ZHOU PEILEI
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator FAN WENHUA
CAI ZHENGWEI
XU JIA
CHEN SHUSHUO
ZHOU PEILEI
description The invention discloses a method for preparing a composite membrane by an ultrasonic spraying method, and belongs to the technical field of membrane preparation. Dissolving a polyamine water-phase monomer in water to obtain a water-phase solution; dissolving an acyl chloride monomer in an organic solvent to obtain an oil phase solution; respectively atomizing the water phase solution and the oil phase solution into micro-nano liquid drops by adopting an ultrasonic spraying method, sequentially and alternately spraying the micro-nano liquid drops onto a porous substrate membrane, and finally carrying out heat treatment. According to the method, the micro-nano phase interface is constructed by utilizing an ultrasonic atomization technology, so that a polymerization reaction based on the micro-nano phase interface is realized, the monomer diffusion speed and the reaction contact area are effectively controlled, and ultrathin and controllable preparation of a compact defect-free cortex is realized. The preparatio
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subjects CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Method for preparing composite membrane by ultrasonic spraying method
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