I. Impregnation bonding method Impregnation method is the earliest and most widely used method in chemical bonding method. It is also called full impregnation or saturated impregnation. It is developed from the traditional saturated dyeing process.
Basic process flow:
The web is fed into a dip tank having a binder, and after immersion, a pair of rolls or a pipetting device is used to remove excess binder, and the web is cured by a drying device to become a nonwoven material.
According to the rolling liquid and the liquid absorption method, it can be divided into the padding type, the liquid absorption type and the liquid absorption-rolling liquid combination type, and can be divided into the single mesh curtain and the double mesh curtain according to the mesh curtain form.
Features: Hard to handle, suitable for lining.
(2) Single screen curtain impregnation (effectively reducing screen loss)
Rotary drum press roll impregnation machine Rotary drum vacuum suction type impregnating machine is an ideal method for producing thin bonding non-woven fabrics, which are suitable for use as interlining and disposable sanitary materials.
(3) The double-mesh transfer type impregnated fiber web is horizontally moved, and is clamped up and down, and is not easily deformed, and is suitable for processing a wide-width web.
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