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Jiangsu Kuntai Machinery Co.,Ltd

Mattress Protector Lamination Machine

Mattress Protector Lamination Machine

Mattress protector lamination machine About Hot melt adhesive and PU Reactive Hot melt adhesive Hot melt adhesive (HMA), also known as hot glue, is a form of thermoplastic adhesive that is commonly supplied in solid cylindrical sticks of various diameters, designed to be melted in an electric...

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Mattress protector lamination machine

About Hot melt adhesive and PU Reactive Hot melt adhesive


Hot melt adhesive (HMA), also known as hot glue, is a form of thermoplastic adhesive that is commonly supplied in solid cylindrical sticks of various diameters, designed to be melted in an electric hot glue gun. The gun uses a continuous-duty heating element to melt the plastic glue, which may be pushed through the gun by a mechanical trigger mechanism, or directly by the user. The glue squeezed out of the heated nozzle is initially hot enough to burn and blister skin. The glue is tacky when hot, and solidifies in a few seconds to one minute. Hot melt adhesives can also be applied by dipping or spraying. This was invented by Miles Kent in 1894.


In industrial use, hot melt adhesives provide several advantages over solvent-based adhesives. Volatile organic compounds are reduced or eliminated, and the drying or curing step is eliminated. Hot melt adhesives have long shelf life and usually can be disposed of without special precautions. Some of the disadvantages involve thermal load of the substrate, limiting use to substrates not sensitive to higher temperatures, and loss of bond strength at higher temperatures, up to complete melting of the adhesive. This can be reduced by using a reactive adhesive that after solidifying undergoes further curing e.g., by moisture (e.g., reactive urethanes and silicones), or is cured by ultraviolet radiation. Some HMAs may not be resistant to chemical attacks and weathering. HMAs do not lose thickness during solidifying; solvent-based adhesives may lose up to 50-70% of layer thickness during drying.



There are a number of hot melt adhesives in use, with the most common being those used for hot melt pressure sensitive adhesive applications:

  • ethylene vinyl acetate (EVA) copolymers, compatible with paraffin, the original hot melt;

  • styrene-isoprene-styrene (SIS) copolymers;

  • styrene-butadiene-styrene (SBS) copolymers;

  • ethylene ethyl acrylate copolymers (EEA);

  • polyurethane reactive (PUR).

The latest hot melt adhesive advance is the PUR adhesive, which is a 100 percent solid, one-component urethane prepolymer that "behaves like a standard hot melt until it reacts with moisture to crosslink or chain extend, forming a new polyurethane polymer." By curing the polymer in this way, PURs have performance characteristics that are more enhanced than those of standard hot melts. Unlike many of the other hot melts, which require a slot die or roll coater, PURs are applied to a substrate as a dot or a thin glue line, set in seconds, and are structurally rigid in minutes, following a final set.



Polyurethane Reactive hotmelts are produced by converting a mixture of different (polyester-) polyols with a surplus of a polyisocyanate component. This results in isocyanate-terminated prepolymers with an NCO-content of typically 2 to 5%.


Polyurethane Reactive hotmelts combine the properties of regular or conventional hotmelts with the advantages of chemically crosslinking adhesives.





PUR Hot Melt Glue Solventless Laminating Machine





Applicable for laminating:

  • Fabric with fabric: both knitting and woven, jersey, fleece, Nylon, Oxford, Denim, Velvet, Terry cloth, Corduroy, Suede...

  • Fabric with films, like PU film, TPU film, PTFE film, BOPP film, OPP film, PE film, PET film, PVC film...

  • Leather, Artificial Leather, Synthetic leather...

  • Diving fabrics, SBR, CR...

  • Nonwoven

  • Sponge

  • Foam

  • Plastics

  • EVA, PVC...

Widely used in:

  • Textiles and Garments Industry

  • Luggage and Bag Industry

  • Packaging Industry

  • Footwear Industry

  • Decoration Industry

  • Car interior decoration Industry

  • Medical Products Industry ...


Key Features:

  • Applicable to Polyurethane Reactive Hot Melt Adhesives, solventless lamination, environmental friendly, no pollution during the whole process of laminating.

  • Solventless Laminating, materials are firmly bonded, soft and comfortable handle, washable.

  • Machine is controlled by the PLC (Programmable Logic Controller) system with touch screen, modular designed structure, HMI (Human Machine Interface) control system makes operating easy and simple.

  • Equipped with thermal conductive oil heating system.

  • Excellent synchronization performance.

  • Non-tension unwinding unit makes laminating materials smooth and even, and good bonding strength.

  • Expander roller also makes laminating materials smooth and even, especially for elastic materials.

  • Precise infrared centering unit ensures edge alignment during laminating.

  • Modern designed gluing system ensures the accuracy of the adhesive amount.

  • Professionally designed and finely processed hot melt adhesive melter, synchronized by PLC system.

  • Equipped with pneumatic expanding shaft for convenient operation.




  • Machine color

  • Working width

  • Hot melt adhesive melter capacity

  • Unwinding and Rewinding diameter


Machine photo:


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