Humor absorbent article
An absorbent, body fluid technology, applied in the direction of absorbent pads, layered products, medical science, etc., can solve the problems of leakage and inability to completely prevent the movement of body fluids
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Embodiment 1
[0471] Next, effects of the present invention will be clarified based on examples.
[0472] The inventors of the present invention conducted tests to measure the water absorption rate of the body fluid-absorbent structure 50 of the first embodiment and a conventional body fluid-absorbent structure. In this body fluid-absorbent structure 50, as the absorbent material 52 having body fluid permeability, a fiber assembly composed of tows made of cellulose acetate is used. In addition, in the conventional body fluid absorbent structure, instead of the absorbent material 52 having body fluid permeability, a nonwoven fabric sheet is used. The amount of water absorbed is designed into six types: 5cc, 10cc, 15cc, 20cc, 25cc, and 30cc. However, when the amount of water is 10 cc or more, instead of absorbing water at one time, a method of repeating the work of absorbing 5 cc with the cartridge 2 to 6 times at intervals of 20 minutes is employed. Table 1 shows the time (seconds) require...
Embodiment 2
[0476] Next, experiments were conducted on the relationship between the amount of adhesive per unit, the degree of weakening of the elasticity, and the absorption rate of body fluids.
[0477] (elasticity weakening test)
[0478] The sample is an absorbent material 53B composed of various fiber aggregates prepared by changing the amount of triacetin as a binder.
[0479] In the test, the thickness of the sample after being dried for 12 hours in a ventilated place adjusted to a temperature of 25 degrees and a humidity of 60% was taken as the thickness before body fluid absorption, and 5cc of horse blood was naturally dripped and absorbed after drying and left for 5 minutes. The thickness was evaluated as the thickness after absorption of body fluid, and the thickness maintenance ratio calculated by (thickness after absorption of body fluid) / (thickness before absorption of body fluid) was used. When the thickness maintenance rate is high, the elastic force is not weakened, and ...
Embodiment 3
[0489] Table 4 shows the measurement described later on the following materials and products: Absorbent materials and products thereof obtained by the manufacturing methods shown in FIGS. Test example 18 (embodiment)); a general absorbent material and its product (test example 19 (existing example)) using pulp short fibers; The drum 406 is not the above-mentioned superabsorbent polymer particle scattering mechanism 390 that also applies centrifugal force, but is only a general-purpose superabsorbent polymer particle scattering mechanism in which the superabsorbent polymer particles fall by their own weight. Mechanism, an absorbent material obtained by scattering superabsorbent polymer particles 354 on an aggregate 352Z of filaments 352 from above the vacuum drum 406 and a product thereof (Test Example 20 (Comparative Example)). Table 4 also records the evaluation results together.
[0490] Here, if we look at the product of the comparative example, there are mainly many super...
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Abstract
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