Spunlace non-woven fabric, composite non-woven fabric and sanitary absorption product

Abstract

The invention relates to a spunlace non-woven fabric, which is provided with a plurality of spunlace points, and comprises an upper surface fiber layer, a lower surface fiber layer, an upper surface fiber layer and a lower surface fiber layer, and a lower surface fibrous layer, the upper surface fibrous layer and the lower surface fibrous layer entangled with each other at the plurality of spunlace points of the spunlace nonwoven fabric, the lower surface fibrous layer comprising bi-component staple fibers. According to the spunlace non-woven fabric, the skin feeling of a wearer is dry and comfortable, and meanwhile the cotton fibers and the bi-component short fibers are contained in the fiber mixing layer; the spunlace non-woven fabric with the upper surface fiber layer and the lower surface fiber layer which are mutually entangled at the spunlace points has better bonding performance, especially heat bonding or ultrasonic bonding performance on the lower surface fiber layer side, so that the spunlace non-woven fabric can be better compounded with other materials or can be more conveniently formed into a sanitary absorbing product; meanwhile, the fiber layer of the lower surface layer is made of bi-component short fibers, so that the dryness of the sanitary absorption product can be improved.

Description

technical field [0001] The application relates to the technical field of fiber products, in particular to a spunlace nonwoven fabric, a composite nonwoven fabric and a hygienic absorbent product. Background technique [0002] With the development of hygienic absorbent products, people have higher and higher requirements on the wearing comfort of hygienic absorbent products. [0003] Spunlace non-woven fabric is to spray high-pressure fine water onto one or more layers of fiber nets to entangle the fibers together, so that the fiber nets can be reinforced and have a certain strength. The obtained fabric is spunlace non-woven fabric ( Splunlace Non-woven). The fiber raw materials of spunlace non-woven fabrics come from a wide range of sources, such as cotton fiber, polyester, nylon, polypropylene fiber, viscose fiber, chitin fiber, microfiber, tencel, silk, bamboo fiber, wood pulp fiber, seaweed fiber, etc. Cotton fibers are widely used as non-woven materials in spunlace non...

AI Technical Summary

Problems solved by technology

[0005] The technical problems to be actually solved by the present invention are: first, when it is necessary to prepare the spunlace non-woven fabric of the cotton material, due to the characteristics of the cotton fiber and the spunlace process itself, the grammage of the spunlace pure cotton fabric is relatively large, The problem of high cost, poor dryness and poor bulkiness when applied to sanitary absorbent products; second, when manufacturing the above-mentioned composite double-layer fiber material, directly adopt the upper fiber layer that has been consolidated and shaped (that is, the upper non-woven fabric) cloth) and the lower fiber layer that has been consolidated and shaped (that is, the lower non-woven fabric) for spunlace consolidation, because the fibers of the upper non-woven fabric have been consolidated and shaped, the fibers of the lower non-woven fabric and the fibers When the fibers of the upper and lower layers of non-woven fabrics are consolidated and shaped by hydroentanglement (winding), since the fibers of the upper and lower layers of fiber layers (non-woven fabrics) no longer have a free and fluffy state, resulting in water A large number of effective fiber entanglements cannot be formed during thorn composite fixation, resulting in poor composite effect and low composite strength. Delamination problems are prone to occur in subsequent use, and the bulkiness is not good, which affects use; this poor consolidation and fluffy The safety problem will also appear in the case where one of the upper and lower fiber webs is a consolidated non-woven fabric; third, the skin-friendly fabric layer made of the upper cotton fiber layer is directly combined with other petroleum-based high-density fabrics commonly used in the hygiene material industry. Molecular fiber non-woven fabrics, especially two-component short-fiber non-woven fabrics, are thermally bonded or ultrasonically bonded, because cotton fibers are not thermoplastic, while petroleum-based polymer fibers are thermoplastic. When thermally bonded and or ultrasonically bonded, cotton fibers and The bonding strength of thermoplastic fiber bonding can only and mainly comes from thermoplastic materials, which makes it difficult for pure cotton fibers to be directly thermally bonded to other fabrics. Poor bonding and delamination are prone to occur, affecting the use or failing to meet the use requirements

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