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PVAc Glue Production Line | JCT Machinery

March 13, 2024
  • Q
    What is PVAc glue?
    PVAc glue is a thermoplastic adhesive produced by the polymerization of vinyl acetate monomer under the action of an initiator. It is also called white glue. PVAc glue is one of the water-soluble adhesives with the most wide range of uses, the largest dosage and the oldest history.
  • Q
    PVAc Glue Features
    1. It has strong adhesion to porous materials such as wood, paper, cotton, leather, ceramics, etc., and has a high initial viscosity.
    2. It can be cured at room temperature and has a fast curing speed.
    3. The adhesive film is transparent, does not pollute the adherend, and is easy to process.
    4. Using water as the dispersion medium, it does not burn, does not contain toxic gases, does not pollute the environment, and is safe and pollution-free.
    5. It is a single-component viscous liquid, which is more convenient to use.
    6. The cured adhesive film has a certain degree of toughness, is resistant to dilute alkali, dilute acid and has good oil resistance.
    PVAc glue is mainly used in wood processing, furniture assembly, cigarette spouts, building decoration, fabric bonding, product processing, printing and binding, handicraft manufacturing and leather processing, label fixing, ceramic tile pasting, etc. It is an environmentally friendly adhesive agent.

PVAc Glue Production Line Equipment Configuration

1. PVAc dissolving tank

2. Reactor

3. Initiator tank

4. Condenser

5. Inverter

6. Control cabinet

7. PVA solution pump, Finished product discharge pump

8. Initiator metering pump

9. Filter (PVA), Filter (finished product)

10. Water pump and tower

Why is reactor suitable for the production of PVAc glue?
  • 1. Polymerization

  • The production of PVAc glue typically involves a polymerization reaction, where vinyl acetate (VAc) monomer is polymerized into PVAc polymer. This reaction needs to be carried out under appropriate temperature, pressure and reaction conditions, and reactor provides a container to control these parameters.

  • 2. Mix and Stir

  • The preparation of PVAc glue requires mixing the polymer with other additives, solvents, etc. evenly. Reactor is equipped with a stirring device, which can effectively mix and stir the reaction system to ensure the uniformity of the product.

  • 3. Temperature Control

  • During polymerazation and other preparation steps, temperature control is critical to product quality. Reactors usually have heating and cooling systems to control the reaction temperature and ensure that the reaction proceeds within a suitable temperature range.

  • 4. Pressure Control

  • Reactor can also provide pressure control, especially when it is necessary to control the pressure conditions of the reaction in certain reactions.

  • 5. Tightness of Reaction Materials

  • In the production of PVAc glue, some reactions may involve the use of volatile solvents, and it is necessary to prevent the evaporation of solvents. Reactors are usually airtight to prevent the loss of volatile substances.

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