High-adhesion water-based vinylidene chloride copolymer emulsion for metal surface and preparation method thereof
A technology of vinylidene chloride and high adhesion, applied in the direction of coating, etc., can solve the problems of restricting the application of vinylidene chloride resin, poor adhesion of metal substrates, and decreased coating adhesion, so as to improve the barrier performance of resin, Improves resin adhesion and facilitates migration
Active Publication Date: 2020-09-25
TIANJIN CHENGJIAN UNIV
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The invention discloses a high-adhesion water-based vinylidene chloride copolymer emulsion for a metal surface and a preparation method of the high-adhesion water-based vinylidene chloride copolymer emulsion. The preparation method comprises the following steps of: fully stirring vinylidene chloride, acrylate, an emulsifier and water to form a pre-emulsified liquid, adding part of the pre-emulsified liquid and a functional monomer into a reactor, initiating a polymerization reaction by adopting a redox system, reacting at constant temperature for a period of time, adding the residual pre-emulsified liquid into the reactor at one time, and continuously reacting to obtain the emulsion resin. The emulsion disclosed by the invention is good in storage stability and uniform in particle size, and the resin is extremely strong in adhesive force on a metal surface, has relatively good barrier property and corrosion resistance, and can be used as matrix resin for a metal substrate anticorrosivecoating.
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Property | Measurement | Unit |
Viscosity | 175.0 ~ 350.0 | mPa·s |
Viscosity | 0.0 ~ 195.0 | mPa·s |
The average particle size | 125.0 | nm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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