Small-Scale Chinese Strongly absorbent menstrual band Production: Workshop Formula, Ratios & Method
In short: Small-Scale Chinese Strongly absorbent menstrual band Production: Workshop Formula, Ratios & Method. This entry documents a formula & ratios taken from Chinese practical-technology literature, written for small-scale makers and home producers. The text below is the full English translation of the original Chinese workshop notes, covering materials and quantities, the step-by-step sequence, and the practical cautions recorded in the source. Roughly 2796 words of English technical text, translated and preserved without editing. It is intended for experimental and reference use, not for regulated or commercial certification.
Highly absorbent menstrual beltIn the past, the absorbent materials inside the menstrual belt were generally crepe-type absorbent paper, cotton-like paper, water-insoluble polymers with water-absorbing and swelling properties, etc. However, these materials not only have poor elasticity, but also have a low liquid absorption rate. They cannot swell after being pressed, nor can they return to their original shape. For this reason, some people have proposed that elastic foam should be used. Although this kind of foam has good liquid absorption and elasticity, the liquid will be squeezed out after being pressed, so it is not suitable.In order to overcome the above shortcomings, the present invention uses attached fiber foam as the filling material of the menstrual belt, which overcomes the above various shortcomings and has better liquid absorption and elasticity, and the liquid will not be squeezed out after being pressed.The following diagrams are used to illustrate:As shown in Figures 1 and 2, the adhesive fiber foam 1 is composed of a continuously foamed, soft elastic foam 2 and a hydrophilic fiber group 3 with a fiber length of 100 m/m or less. The method is to evenly apply the adhesive on one or both sides of the foam sheet 2, and then adhere the fiber group 3 on both sides. The fiber groups 3 are in a staggered or non-staggered state on the foam sheet 2 .As shown in Figure 3, the above-mentioned adhesive fiber foam 1 can be used entirely as the liquid-absorbent 4 of this menstrual belt, or a small amount of crepe absorbent paper, cotton-like paper, water-absorbent and swellable polymer, etc. can be added to make the liquid-absorbent 4. Then, a liquid-proof layer 5 is provided below and on both sides. The liquid-proof layer can be made of a synthetic resin film or a non-woven sheet. Then it is covered with a liquid-permeable outer layer 6, which is made of sheet-shaped chemical fiber paper, non-woven fabric, etc. …
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Lei Cheng
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Lei Cheng