An Introduction to the Core of Diapers

The central part of a diaper, often referred to as the core, serves as the main absorption layer. The core of a diaper typically consists of highly absorbent materials that can take up a large amount of liquid while staying dry. This is to ensure the baby's skin doesn't feel discomfort from moisture.

The core of a diaper is mainly made up of three components:

1. Distribution Layer: The topmost layer of the diaper that comes into direct contact with the baby's skin. The main function of this layer is to quickly disseminate liquid, evenly directing it to the other parts of the core.

2. Absorption Layer: Located beneath the distribution layer, this part is made up of Super Absorbent Polymer (SAP) and fluffy cotton fibers or non-woven fabric. Once the liquid is directed to the absorption layer via the distribution layer, the SAP rapidly absorbs and locks in a significant amount of moisture, solidifying it into a gel form to prevent backflow.

3. Backing Layer: Positioned at the base of the absorption layer, this layer, also known as the bottom layer, generally serves as the point of contact with the exterior. Its fundamental role is to enhance the structural strength and stability of the diaper and prevent leakage.

These three layers altogether form the core of a diaper. They function as swift absorption, distribution, and water-locking mechanisms throughout its usage, substantially reducing the likelihood of diaper rash and other skin issues caused by residual urine. Simultaneously, this structure allows the diaper to remain thin and light, providing increased comfort for the infant.

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