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Styrene-acrylic Emulsion Production Line Equipment

EquipmentFunction
Automatic powder feeding systemPrecise delivery of functional monomers (styrene, acrylates) and powder additives
Liquid metering pump
Pre-emulsification kettleBefore adding the initiator, the monomers are thoroughly sheared with water and emulsifier to form a stable pre-emulsion
ReactorThe dropwise polymerization reaction requires extremely high temperature control
Bag filterCoarse agglomerates are removed, and the finished product is packaged
Filling machine


Contact technical experts to design your styrene-acrylic emulsion production line: +86-181 3837 3963 (Whatsapp, Wechat) or contact@jctmixing.com.

styrene-acrylic emulsion production line

Styrene-acrylic Emulsion Production Process
  • 1. Raw material preparation

  • Powdered additives are fed into the pre-emulsification reactor without dust using a vacuum feeder.

  • 2. Pre-emulsification

  • High-speed shearing is performed in the pre-emulsification reactor to ensure the monomer droplets are miniaturized.

  • 3. Polymerization reaction

  • The pre-emulsion is slowly added dropside to the reactor, and emulsion polymerization takes place under specific temperature and initiator conditions.

  • 4. Post-treatment

  • After the reaction, the mixture is cooled, the pH is adjusted, and preservatives are added.

  • 5. Discharge filtration

  • The mixture is filtered through a filter of 200 mesh or finer and then discharged into a storage tank or filling line.


Solve your production pain points
  • Poor material feeding accuracy leads to low batch stability.
    Solution: Integrate an automatic weighing and batching system with a vacuum powder feeder.
    Value: Completely eliminates metering errors caused by manual material feeding, ensuring that the solid content, viscosity, and particle size of each batch of emulsion are completely consistent.
  • Polymerization reactions are highly exothermic and prone to "explosive polymerization (temperature runaway)".
    Solution: The reactor employs a large heat exchange area jacket combined with a precision-grade heat transfer oil/cooled water circulation system, and supports segmented dripping control.
    Value: Even in the production of high-solids-content styrene-acrylic emulsions, temperature control accuracy can be maintained within ±1°C, eliminating the risk of explosive polymerization and protecting equipment safety.
  • Insufficient emulsification leads to product stratification and coarse particles.
    Solution: Equip the pre-emulsification reactor with a high-shear homogenizer (rotor/stator structure).
    Value: Produces smaller, narrower-range emulsion particles, significantly improving the film-forming properties and water resistance of the coating.
  • The workshop suffers from severe dust pollution, posing a high risk to occupational health.
    Solution: Fully closed-loop vacuum feeding system.
    Value: Prevents leakage during the transport of additives (such as initiator powder), creating a clean workshop and easily passing environmental and safety inspections.
  • Equipment malfunction prevents continued production
    We guarantee that an engineer will be assigned to you within 8 hours of a equipment malfunction to help you resolve the issue quickly.


styrene-acrylic emulsion production line equipment

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