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Improved Method for Leak Guard SMMS Meltblown Non Woven Fabric

With the improvement of people's living standards and health awareness, disposable sanitary products are used more and more widely. Nonwovens, as one of the main raw materials used in the field of sanitary products, have developed very rapidly. This paper analyzes the existing problems of leak guard SMMS meltblown non woven fabric, and puts forward the methods to improve SMMS non woven fabric, which provides a positive reference for its further development.

 

 

1.Problem with leak guard SMMS meltblown non woven fabric

At present, the two wings of most sanitary napkins and baby diapers are made of leak guard SMMS meltblown non woven fabric, which is coated and folded with multiple rubber bands after applying structural glue and rubber band glue. However, in the production of sanitary napkins and baby diapers, because the rubber band used has elasticity and is relatively thin, the rubber band is easy to break, and the number of waste sheets caused by rubber band breaking is at least more than 100, resulting in a waste of raw materials.

leak guard SMMS meltblown non woven fabric

2.Improved method for leak guard SMMS meltblown non woven fabric

In view of the existing problems, this paper proposes an elastic leak guard SMMS meltblown non woven fabric with reasonable structure design, good comfort, high qualified rate of finished products and low production cost.

Its ingredients are: water repellent non woven fabric, structural adhesive, PE elastic film. The specific design is as follows: one end of the water repellent non woven fabric is folded up or down to form a U-shape, the PE elastic film is placed in the U-shape area on the water repellent non woven fabric, the PE elastic film is bonded with the water repellent non woven fabric through structural adhesive, the PE elastic film is a flat rectangle, its width is less than the width of the folding edge of the non woven fabric, and the water repellent non woven fabric and the folding edge of the non woven fabric are closely bonded through structural adhesive. The PE elastic film is embedded in the U-shaped area of the water repellent non woven fabric in the middle, and the water repellent non woven fabric, the PE elastic film and the folding edge of the non woven fabric form a parallel arrangement.

This kind of three-dimensional enclosure can provide beneficial effects: this kind of three-dimensional enclosure is made of water repellent non woven fabric, applying structural adhesive at one time, superimposing a layer of PE elastic film with appropriate width, and then folding and wrapping through water repellent non woven fabric. The PE elastic film in the elastic three-dimensional protective non woven fabric material has the advantages of not easy to break, soft and moderate elasticity, thus reducing the waste rate of sanitary napkins and baby diapers and increasing the comfort of use. In addition, it saves the production cost of rubber band glue, sanitary napkins and baby diapers.

SMMS non woven

Fusible non woven materials are more and more widely used in personal care and other sanitary materials, especially in the surface and bottom film of diapers and sanitary napkins. Understanding the current problems of leak guard SMMS meltblown non woven fabric and the methods to improve SMMS non woven fabric are conducive to its better development.

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