Tufted broadloom carpets normally consist of a multi-layered structure as shown in the drawing. Providing effective adhesion between the different layers is one of the challenges that must be met by VINNAPAS® VAE dispersions. When used in the primary coating (precoat), VINNAPAS® products provide the strength to lock the tufts of yarn in place (tuftbind). In the secondary coating, they ensure dimensional stability by bonding the secondary backing to the carpet. VINNAPAS® VAE dispersions can provide the desired level of stiffness or "hand". Moreover, they show reduced flammability.
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