Introduction Diaper Raw Materials
- What are diapers made of?
Generally speaking, diapers consist of four main parts:
① Surface layer: non-woven fabric
② Conductive layer: special non-woven fabric
③ Absorption layer toilet paper + fluff pulp + SAP
④ Bottom layer PE film or PE film + non-woven fabric
In addition, it is supplemented by adhesive fixed structures and three-dimensional leak-proof structures.
Nowadays, good quality diapers are mainly composed of wood pulp and polymer materials. The polymer materials have the ability to absorb water hundreds to thousands of times more than their own weight. After the polymer material absorbs water and forms a hydrogel, it will become harder and begin to ball up. Adding wood pulp can keep the diapers as flat and soft as possible.
- What materials are usually included in the production of diapers?
Diapers are made of non-woven fabrics, toilet paper, fluff pulp, polymer water-absorbent resin, PE film, rubber bands and other materials. In order to enhance the absorption effect and lock in moisture, a certain amount of fiber must be added to the absorption layer. Polymer water-absorbing resin.
Diapers are products that can be discarded after one-time use. Environmentally friendly and biodegradable diapers are made from raw materials extracted from corn fiber, soybean fiber or buckwheat fiber. They are available in two types: special for children and special for adults.
The common materials used in general diapers include non-woven fabrics, diversion layers, toilet paper, SAP, bottom film, elastic, waist elastic bands, etc. At the same time, some improvements have been made to these materials in production, as follows:
1. Non-woven fabrics: The functional classification of non-woven fabrics used in diapers is becoming increasingly refined. The surface layer is hydrophilic non-woven fabric, the body is water-resistant non-woven fabric, and the permeable layer is non-woven fabric;
2. Adhesive stickers: plastic adhesive tape (general - silent) - non-woven adhesive tape - magic sticker;
3. SAP: The share of SAP in the core is increasing and is below 10%. Now it is generally about 30%-40%, and a single one is as high as 70%;
4. Bottom film: PE film or PE film + non-woven fabric;
5. Film: general film - breathable film - breathable composite film.
The main reason why it is used in diapers is that it is very convenient. It can save the trouble of changing and washing. In terms of the function of absorbing urine, the functional and quality requirements for diapers are also getting higher and higher. They do not leak urine, do not re-infiltrate, and are breathable. Wearing shorts, skin care, beauty and comfort, it can be said that the development of diapers is developing in many directions.