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Performance Requirements and Evaluation of Cloth Diaper

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The continuous improvement of the performance of cloth diapers is the main reason why consumers use them widely. Although the product is developing in the direction of portability and the overall volume is small, there are certain requirements for the functions and functions of each layer of structure to meet the needs of consumers. In order to better understand cloth diapers, we have to start with their performance.

Requirements of cloth diaperper formance on structural materials

Baby cloth diaper structure has different requirements for the comfort of each layer of material. The surface layer is mostly made of soft and breathable materials, such as hot-air or hot-rolled nonwovens, ES fiber or pure cotton fiber composite nonwovens. These materials have good moisture permeability and can quickly lead the liquid out of the surface to ensure that the surface is dry. The guide layer mostly adopts hot-rolled or hot-air nonwovens, which can quickly diffuse the liquid penetrating into the surface layer, so that the core layer can absorb the liquid evenly. Fluff pulp or a mixture of pulp and SAP is generally used to absorb the core layer. The absorption core layer needs good water absorption, because the water absorption can directly affect the water absorption quality. Materials with good air permeability include composite bottom membrane and microporous membrane. These materials are often used in the back layer, which is conducive to the discharge of moisture from cloth diapers.

At the same time, the backing material also needs good hydrostatic resistance to prevent liquid leakage and affect the use of cloth diapers. The three-dimensional enclosure generally adopts PP anti sticking cloth, which is usually waterproof and requires good anti hydrostatic performance, which can reduce the side leakage caused by baby sleep turnover. Elastic waistline requires good tensile performance. The better the tensile performance, the more comfortable and fit the baby. It can not only ensure the comfort of the baby, but also reduce the baby's side leakage during activities.

 

Evaluation of cloth diaper performance

Like clothing, cloth diapers are also closely related to the human body and the environment. The main factor affecting comfort performance is heat and humidity. The evaluation method of thermal humidity comfort is consistent with that of clothing thermal humidity comfort. There are not only subjective and objective evaluation methods, but also subjective and objective evaluation methods. The objective evaluation method is mainly to test the physical properties of materials through instrument experiments, but physical experiments are only used to evaluate the thermal and wet properties of materials, which is difficult to comprehensively evaluate the real clothing system. The subjective evaluation method can assist the objective evaluation, rating the wearer's comfort and evaluating the thermal and wet comfort. Only with the combination of subjective and objective, can the thermal and wet comfort of materials be evaluated more comprehensively.

The rating system adopts a five level analysis system. However, comfort evaluation has its own unique difficulties. Unlike normal adults, it is difficult for infants to correctly express their subjective feelings in infancy. In addition, infants have special physiological characteristics, which makes it difficult for healthy adults to imitate and wear cloth diapers for subjective evaluation. In view of this situation, most studies use physical indicators to evaluate the thermal and wet comfort and functional performance of products.

 

Through the above analysis, it can be seen that when the cloth diaper performance meets the requirements of basic structural materials, we should also pay attention to the wearer's use experience and continuously optimize the product in combination with various experimental indicators in order to gain a foothold in the market.

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