VAE emulsion is the abbreviation of vinyl acetate-ethylene copolymer emulsion. It is a polymer emulsion formed by emulsion polymerization of vinyl acetate and ethylene monomer as basic raw materials with other auxiliary materials.The production process of VAE emulsion mainly includes the following steps:
The main raw materials of VAE emulsion include ethylene, vinyl acetate, emulsifier and initiator. Ethylene can be made from naphtha or natural gas; vinyl acetate is made from the reaction of ethylene and acetic acid.
After mixing ethylene and vinyl acetate in a certain proportion, they are passed into the reactor, initiators and emulsifiers are added, and emulsion polymerization is carried out under appropriate temperature and pressure. Control the reaction speed and temperature to completely convert the monomer and generate VAE emulsion.
The generated VAE emulsion needs to be degassed to remove unreacted monomers and low molecular volatiles. Adjust the pH value of the emulsion to make it more stable, and perform filtration to remove impurities and solid particles in the emulsion.
Put the processed VAE emulsion into a special container, seal it and store it away from direct sunlight and high temperature environment.
The production and use of VAE emulsion must comply with national and local environmental protection standards, including emission standards for waste water, exhaust gas, noise, etc. Waste water, waste gas and other waste generated during the production process need to be effectively treated and discharged to ensure compliance with environmental protection requirements.
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