Polyvinyl Acetate (PVAc) Production Line
Tel: +86-181 3837 3963 (Whatsapp, Wechat) | contact@jctmixing.com
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Tel: +86-181 3837 3963 (Whatsapp, Wechat) | contact@jctmixing.com
Polyvinyl acetate (PVAc), commonly known as wood glue, PVA glue, white glue, carpenter's glue, school glue, or Elmer's Glue in the US, is a widely available adhesive used for porous materials like wood, paper, and cloth.
The primary raw material for PVAc production is vinyl acetate monomer.
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Equipment Configuration:
▪ PVAc dissolving tank
▪ Reactor
▪ Initiator tank
▪ Condenser
▪ Inverter
▪ Control cabinet
▪ PVAc solution pump
▪ Finished product Discharge pump
▪ Initiator Metering pump
▪ Filter (PVAc/finished product)
▪ Water pump
▪ Water tower
Characteristics of PVAc:
▪ Good adhesion
▪ Water soluble
▪ Weather resistance
▪ Adjustability
▪ Low toxicity
▪ Lower cost
The main raw material used in PVAc production is a copolymer of vinyl acetate and other monomers such as ethylene or acrylic acid. Other additives such as plasticizers, thickeners, and preservatives may also be added to improve the quality of the final product.
The copolymer resin is dissolved in water along with other additives and a surfactant to form a stable emulsion. The emulsion is then heated under controlled conditions while continuously stirring. This process triggers a chemical reaction known as polymerization.
Once the polymerization is complete, the pH of the PVAc emulsion is adjusted to the desired level by adding an alkaline solution. This is necessary to neutralize any residual acidity in the emulsion and stabilize the glue. The pH value is one of the indicators for quality testing of PVAc.
The PVAc emulsion is then filtered to remove any impurities or particles that may affect the quality of the final product. The filtered PVAc emulsion is then concentrated to the desired solids content by evaporating water from the mixture.
As wood glue, PVAc is known as "white glue" and the yellow as "carpenter's glue".
As paper adhesive during paper packaging conversion.
In handicrafts.
As envelope adhesive.
As wallpaper adhesive.
As a primer for drywall and other substrates
As a gum base in chewing gum.
As an adhesive for cigarette paper.
As the coating layer on Gouda cheese
JCT Machinery was established in 2006 at Foshan China that specializes in design, manufacture, and supply of various industrial machinery and equipment, We offer a wide range of machinery for industries such as chemical, pharmaceutical, food processing, and cosmetics.
We have developed and designed cases with multiple partners around the world, our mission is focusing on providing reliable and efficient equipment for industrial processes.Taking a reputation for quality manufacturing, customization options, and excellent after-sales support is one of our goals.
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