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A Partial Laminated Breathable Pe Film Nonwoven Backsheet

Author:Baby & Adult Diaper Materials FROM:Diaper Materials Manufacturer TIME:2023-03-10


1.Partial laminated breathable PE film nonwoven backsheet


The breathable composite film is based on a microporous film material, which is compounded with multi-layer auxiliary materials, such as non-woven fabrics or multi-layer films. Due to the large number of micropores on its surface, it has good air permeability, usually It is used in medical or health protection products.

The Chinese utility model patent with the publication number CN203154093U discloses a Partial laminated breathable PE film nonwoven backsheet for diapers, which includes a nonwoven fabric layer and a breathable film layer bonded centrally to the nonwoven fabric layer by a hot-melt adhesive, It can not only achieve the effect of anti-leakage, but also maximize the softness and breathability of the diaper, and reduce the damage to the skin during the use of the baby; because the breathable film layer in the composite film is bonded to the center of the non-woven fabric position, during use and contact, the bonded edge of the breathable film layer will rub and touch the surrounding object structure during use, which may cause the edge of the breathable film layer to be lifted, detached, etc. The raised edge will cause The rough feeling during use affects the comfort of use, and seriously even affects the normal use of composite film products.

Partial laminated breathable PE film nonwoven backsheet


2. Improvement plan


Therefore, a new solution needs to be proposed to solve this problem.

Publication number CN214395704U proposes the following technical scheme for this purpose: a Partial laminated breathable PE film nonwoven backsheet, comprising a non-woven fabric layer and a breathable film layer, and the breathable film layer is centrally bonded on the non-woven fabric layer through a hot melt adhesive layer , both sides of the air-permeable film layer are zigzag or wavy connecting edges, and a hot-pressing edge one is set between the air-permeable film layer and the non-woven fabric layer, and the hot-pressing edge one is located at the connecting edge of the air-permeable film layer inside.

breathable PE film

The program has the following beneficial effects:

The air-permeable film layer is bonded to the non-woven fabric layer through the hot-melt adhesive layer in the center, and the two form a composite structure, so that the composite film has good air-permeable and waterproof effects as a whole. The position is controlled to facilitate product adaptation; and through the jagged or wavy rough connection edge structure, the bonding contact area between the breathable film layer and the non-woven fabric can be extended, and a hot pressing edge is set between each layer. And heat-pressing edge 2, heat-pressing and bonding are carried out between each layer, and the connection stability of the composite film layer is enhanced, so that the composite film as a whole is smoother and more comfortable.

laminated film

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