Non-woven manufacturers teach you the soft operation of PP non-woven fabrics

Due to the influence of chemical adhesives, auxiliaries or low-temperature drying, PP non-woven fabrics will cause rough and blunt hand feel during the processing process, which limits the use of non-woven fabrics in certain scales. operate. Many non-woven products for hygiene and protection, such as sanitary napkin fabrics and various cleaning wipes, require PP non-woven fabrics to have good flexibility. and chemical preparation.

Mechanical rubbing and flexing

Mechanical rubbing and flexing mainly through the process of rubbing or shortening the non-woven fabric to reduce its rigidity to achieve According to the principle of flexibility, there are mainly two kinds of mechanical processing systems for this kind of flexible wheel liquidation, namely the Clapike method and the Michael Leis method.

1. Crapeck method

Clapec method was first used in papermaking industry, and then transplanted into wet-laid non-woven fabrics, imitating the pre-shrinking liquidation of Sanfrei machine. As shown in the figure below, after treatment, the non-woven fabric can obtain excellent flexibility and improve the hand. The liquidation of this method depends on the thickness, elasticity, fiber characteristics, pressure, web structure and heat and humidity conditions of the rubber belt.

2. Mike Rex method

Mike Rex method is very strong for extrusion and impregnation of pp non-woven fabrics, so that obvious crepe may occur in non-woven fabrics Weave, improve the delay of non-woven fabrics, increase the unit area component and approximate product, and compared with the Krapeck method, this weaving better improves the excellent flexibility of non-woven fabrics. The crepe effect of the Mike Rex method can be tested by optical methods, measuring the degree of cell area increase or measuring the degree of elongation of the nonwoven fabric to test and evaluate the number of crepes. Therefore, the liquidation of this method largely depends on the geometric size of the crepe area and the input and output speed of pp non-woven fabrics.

XINYU non-woven fabric manufacturers, as an important non-woven fabric supplier in the country, currently products cover pp non-woven fabrics, sms non-woven fabrics, medical non-woven fabrics, etc.

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