A Backsheet Film For Diaper

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

1.Backsheet film for diaper

Breathable film is an environmentally friendly functional material that is breathable (steam) and water-proof (liquid, bacteria, dust). The emergence of microporous breathable membrane has a history of more than 20 years, and it has developed rapidly in the past 10 years. China is at the initial stage in terms of technology, market and application. Breathable film is a functional inorganic product that is uniformly added to the polyolefin raw material, so that the product will have pores due to high stretching during the film forming process, so that it has the function of breathability and moisture conduction. The water absorption of a general breathable membrane has its limit. When the water absorption exceeds the limit that the breathable membrane can carry, the water-proof effect of the breathable membrane will lose its effect.

breathable pe film

2.backsheet film for diaper beneficial effects

In view of the above deficiencies, Zhang Shuigao proposed a backsheet film for diaper: comprising a PE breathable film layer, the PE breathable film layer is provided with three layers, the three layers of PE breathable film layers are all provided with pores, and the three layers The pore diameter of the PE breathable membrane decreases from top to bottom. Further: a drainage tube is inserted on the bottom PE breathable film layer, the drainage tube is connected with a reminder sticker, the reminder sticker is bonded to the bottom PE breathable film layer, and there is no water in the reminder sticker. Copper sulfate powder. Further: Anhydrous calcium chloride powder is also placed in the reminder sticker.

breathable film

In summary, the backsheet film for diaper has the following beneficial effects:

a. Through the setting of the three-layer PE breathable film layer, the three-layer PE breathable film layer has better leak-proof characteristics than the single-layer breathable film layer, and reduces the water absorption pressure of the diaper;

b. The pore diameters of the three layers of PE air-permeable membrane layers are successively reduced, so that the water pressure resistance of the PE air-permeable membrane layer is gradually increased, and the PE air-permeable membrane layer is better prevented from leaking;

c. Through the setting of the reminder sticker, when water enters the middle of the bottom PE breathable film layer, the anhydrous copper sulfate in the reminder sticker turns blue through the setting of the drainage tube, reminding the user to change the diaper;

d. Through the setting of anhydrous calcium chloride, when the user has no time to change the diaper, the pressure of the PE breathable film layer is reduced to a certain extent, thereby preventing the PE breathable film layer from leaking.

backsheet film for diaper

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