Composite flowing layer material and preparation method thereof

Abstract

The invention relates to a composite flowing layer material for disposable sanitary articles and a preparation method thereof. The flowing layer consists of two layers of fiber webs, wherein the upper layer is a fiber web which is made of sheath-core bicomponent fiber with fiber length of between 38 and 60mm and fiber fineness of between 5 and 10 denier through or not through hydrophilic treatment; and the lower layer is a fiber web made of sheath-core bicomponent fiber with fiber length of between 38 and 60mm and fiber fineness of between 1.2 and 3 denier through hydrophilic treatment. The bicomponent fiber is arbitrary one of polyethylene / polypropylene or polyethylene / polyester. The preparation method is to prepare the upper fiber web and the lower fiber web with different structure designs respectively and overlap the two fiber webs to make the composite flowing layer material through heat composite reinforcement. The prepared flowing layer material is a non-woven material with high strength, strong fluid absorption capability, good flowing effect and good comfort, and can be widely applied to the field of disposable sanitary articles. The preparation has low energy consumption, does not use a chemical bonding agent, and does not have pollution.

Description

technical field

[0001] The invention relates to a diversion layer material and a preparation method thereof in the field of disposable sanitary products, in particular to a composite diversion layer material and a preparation method thereof. Background technique

[0002] In the field of disposable sanitary products, the transfer layer is a layer of non-woven material placed between the cover material and the absorbent core, which can effectively help the liquid to quickly transfer down from the cover material and spread the liquid Distributes and temporarily stores fluid so that it leaves the user's skin quickly, keeping the skin dry.

[0003] At present, the following two methods can be used to prepare the guide layer material: (1) The guide layer material is made of cellulose fiber / thermoplastic fiber through thermal bonding. Represented by the US6,479,415 B1 patent applied by BKI Corporation of the United States, the guide layer is made of cellulose fiber / thermoplastic f...