Preparation method for composite processed absorbent paper by using cylinder mould machine

Abstract

The invention provides a preparation method for composite processed absorbent paper by using a cylinder mould machine. The method comprises the following steps that 1, wood pulp and fluff pulp are mixed according to a certain proportion; 2, fiber defiberizing is carried out after the mixed pulp liquid is repulped; 3, blending is carried out on the defiberized pulp liquid in a blending pool; 4, thefully mixed blended pulp is sent into the cylinder mould machine to produce single-layer wrinkling base paper; 5, pressing fitting is carried out on the single-layer wrinkling base paper produced instep 4 and single-layer semi-synthetic base paper, wherein the single-layer semi-synthetic base paper is continuously produced, runs synchronously in the same direction with the single-layer wrinklingbase paper, and is loaded with uniformly spread macromolecular water-absorbent resin particles; 6, the pressed and fitted double-layer base paper enters a drying cylinder to be dried, wrinkled and shaped; 7, the shaped product is cut into various sizes according to demands of customers. The prepared absorbent paper is ultrathin, soft, air-permeable and dry and has stable quality.

Description

technical field [0001] The invention belongs to the technical field of hygienic material manufacturing, and relates to a method for preparing water-absorbing paper compositely processed by a cylinder paper machine. Background technique [0002] Absorbent paper is a special hygienic material, mainly used for water-retaining seedling cultivation and cultivation of seedlings such as sanitary napkins, diapers, fruits and vegetables, etc., for example, it can be used as an internal absorbent layer for sanitary products such as sanitary napkins. At present, the absorbent layers used in sanitary products such as sanitary napkins produced in China are all made of materials such as fluff pulp and polymer water-absorbing resin wrapped with multi-layer non-woven fabrics and dust-free paper through hot pressing or adhesive composite processing. Absorbent layer processing equipment and technology are divided into two types: one is professional absorbent core composite technology, and the...

AI Technical Summary

Problems solved by technology

The absorbent material produced by the professional core composite process has the following disadvantages when it is used in products such as sanitary napkins: due to the composite molding process of hot pressing dry method or adhesive method, a large amount of polymer water-absorbing resin and fluff pulp are added in the composite processing. The loose fluff pulp and polymer water-absorbing resin are mixed extremely unevenly and have a loose structure, resulting in a thicker product after hot-pressing and lamination, with high composite pressure points or high glue point density, poor softness, uneven absorption, slow absorption speed, and poor liquid permeability. After absorbing liquid, the polymer particles are easy to overflow and the material is seriously delaminated, the air permeability, surface dryness and body feeling are not ideal, and the cost is high

Compared with the sanitary napkins produced by the professional core composite process, the performance index of the sanitary napkins produced by the online ingredient processing technology of the sanitary napkin production line is better. Disadvantages such as large space occupation, complicated operation, low production efficiency, unstable product quality, high equipment maintenance cost, and high labor intensity

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