Weak acid cation exchange microballoon resin of magnetic acrylic acid series and synthesis method thereof

A technology of weak acid cation and synthesis method, which is applied in the field of acrylic weak acid cation exchange microsphere resin and its synthesis, can solve the problem of low exchange capacity, and achieve high and weak acid exchange capacity, excellent adsorption, and easy desorption kinetics.
CN101948554AInactive Publication Date: 2011-01-19NANJING UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING UNIV
Publication Date
2011-01-19
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a weak acid cation exchange microballoon resin of magnetic acrylic acid series and a synthesis method thereof, belonging to the field of magnetic resin. The method comprises the following steps of: evenly mixing magnetic particles with the size of 0.01-10mu m with an oil phase, carrying out suspension polymerization under a certain temperature and conditions, and hydrolyzing to finally form the weak acid cation exchange resin. The microballoon resin consists of weak acid cation exchange microballoon resin frames and the magnetic particles packaged therein, wherein the weight ratio of the resin frames to the magnetic particles is 1:(0.05-1), a basic structure formula of the resin frames is shown following the specification of the invention: wherein n can be 1,2,3......; the weak acid volume exchange capacity of the resin is 1.0-5.0mol / L, the average particle diameter thereof is 20-500mum, the specific saturation magnetization intensity thereof is 5.1-33.4emu / g, and the weak acid exchange capacity is 1.0-5.0mol / L. The microballoon resin of the invention can be used in treatment of various water bodies and used for removing ammonia nitrogen and a plurality of metal ions, such as calcium, magnesium, copper, nickel, cadmium, and the like.
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Description

technical field The invention discloses an acrylic weak acid cation exchange microsphere resin and a synthesis method thereof, more specifically an acrylic weak acid cation exchange microsphere resin containing magnetic particles and a synthesis method thereof. Background technique The particle size of the traditional weak acid cation exchange resin is 0.3mm ~ 1.2mm, and the fixed bed process is generally used in the application. If the powder microsphere resin with smaller particle size is synthesized, its desorption and adsorption performance can be further improved in application due to the increase of its external specific surface area. However, in the operation of the fixed bed process, the resin with too small particle size will increase the water resistance and reduce the amount of treated water. The magnetic particles are implanted into the resin with small particle size to make it magnetic, so as to solve the separation problem of the resin, and the traditional fix...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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