TH7359B - A bendable type of absorbable sheet. - Google Patents

Abstract

A highly absorbent sheet that is bendable and resilient. Which contains an example Such as non-fibrous cellulose membranes Which this membrane contains elastic and fiber elongation agents Crosslinked cellulose is included in effective quantities. Which is suitable for use as part Contains absorbable products of disposable absorbable products such as sanitary napkins, diapers, waterproofing pads, adult underwear, wound dressing and similar products. The invention extends to a method for producing fluid-absorbable sheets. The absorbent disposable sheet utilizes the fluid permeable sheet and the method for its recovery, fluid absorption and flexural condition of the non-cellulose membranes. Eliminate the fibers to be higher as well.

Claims (4)

1. Flexible, resilient, absorbent sheet for use in products. A disposable absorbent, consisting, for example, a non-removing cellulose membrane. which contains binding agent and crosslinked cellulose fibers in effective quantities. The aforementioned fluids are mechanically softened. in order to increase the bendability of this sheet. to soften the mechanical by a process selected from the group consisting of pore-stamping 4. Fluid permeable membranes as defined in one of the preceding claims, for which the aforementioned cellulose membranes contain crosslinked cellulose fibers. Cellulose fibres are present in the range from approximately 1 to approximately 99 percent dry weight basis of cellulose in the aforementioned membranes. The foregoing crosslinks consist of, for example, cellulose fibers treated with a solution of glycol and dialdehyde in water. 6. Fluid-absorbing sheets as defined in one of the preceding claims. , containing the aforementioned binding agent in the aforementioned cellulose membranes in the range from approximately 0.05 to approximately 10 percent on the basis of the cellulose dry weight in the mentioned membranes. defined in one of the preceding claims, that the aforementioned adhesive remover is a hydrophilic type. 8. Fluid absorbent sheet as defined in one of the preceding claims, radiating The aforementioned cellulose pulps include selected materials from a group consisting of sulfate-type, sulphate, debonded, bleached, unbleached, thermal-mechanical, thermal-chemical membranes; mechanical. , chlorine bleached wood pulp and hydrogen bleached wood pulp peroxide and Mixtures of these substances 9. Methods for the manufacture of non-removing fluid-absorbing sheets, consisting of For example, the process of combining cross-linked cellulose fibers and tensile agents is applied. in cellulose membranes in effective quantities to make the recovery condition, the bending condition and the The fluid permeability of the aforementioned cellulose membranes was increased by 1 0. The method as defined in Claim 9, which follows, for example, the procedure of Mechanical softening of the aforementioned cellulose membrane to increase its bendability 1 1. Method as defined in Claim 10, which softens the aforementioned cellulose membrane. mechanical, by a method chosen from a group consisting of pore stamping and microcorrugation 1 2. Any of the methods defined in claims 9 to 11. which includes cellulose fibers The aforementioned crosslinked type enters the aforementioned cellulose membranes in the range from approximately 1 to approximately 99 percent on the basis of the cellulose dry weight in the foregoing membranes 1 3. Methods as defined in Claim 9, to 12 any one which cellulose fibers The aforementioned crosslinks consist of, for example, Cellulose fiber treated with glycol solution and dialdehyde in water 1 4. Any of the methods defined in Claims 9, through 13. which includes adhesive remover The aforementioned cellulose into the foregoing membranes ranges from approximately 0.05& to approximately 10 percent on the basis of the dry weight of the cellulose in the above-mentioned membranes 1. 5. Methods as defined in Claim 9, to 14. any one which removes adhesive force The aforementioned hydrophilic type 1 6. Any of the methods defined in Claims 9, through 15. which includes for example The process of adding crosslinked cellulose fibers to the cellulose membrane slurry for making The aforementioned cellulose membranes 1 7. Methods as defined in Claim 16, which consist of, for example, step of filling The aforementioned adhesive remover is applied to the aforementioned slurry 1. 8. Methods as defined in Claim 16, or 17, hereinafter, for example: The procedure for assembling the aforementioned slurry into the scaffold and remove the water from the scaffold. The aforementioned network produces the aforementioned cellulose membrane 1 9. Method as defined in Claim 18, in which the aforementioned binding agent is added to the cellulose membrane. The aforementioned network membranes were selected from a group consisting of spraying, soaking and tapping 20 . Any method defined in Claim 9 to 19. which the cellulose membrane mentioned Then includes materials selected from a group consisting of sulphate, sulphate, debonded, bleached, unbleached, thermo-mechanical, chemical-mechanical, bleached wood pulp. by the method Use chlorine and wood pulp bleached by hydrogen peroxide and their composite membranes 2 1. Methods for recovery, bending and fluid absorption conditions of Non-reinforcing cellulose membranes, consisting of, for example, The process of combining substances Removes binding forces and crosslinked cellulose fibers into the cellulose membranes mentioned in Effective quantity 2 2. Methods as defined in Claim 21, which further constitute, for example, the procedure of Mechanically soften the aforementioned cellulose membranes to soften the bendable condition of the cellulose membranes. 2 3. Method, as defined in Claim 22, which softens the aforementioned cellulose membranes. Mechanisms by methods chosen from a group consisting of perforated stamping and microcorrugation 2 4. Any of the methods defined in Claims 21, through 23, incorporating cellulose fibers. The aforementioned crosslinked type enters the aforementioned cellulose membranes in the range from approximately 1 to approximately 99 percent on the basis of the dry weight of cellulose in the foregoing membranes 2. 5. Methods as defined in Claim 21, to 25 any one which cellulose fibers The aforementioned crosslinks consist of, for example, cellulose fibers treated with a solution of glycol. and dildehyde in water 26 methods as defined in Claim 21, to 25& one of which joins the adhesive remover The inductance of the foregoing into the foregoing cellulose membranes ranges from approximately 0.05 to approximately 10 percent on the basis of the dry weight of cellulose in the above-mentioned membranes in 27 methods as defined in one of Claim 21 to 26. which removes adhesive force The aforementioned hydrophilic type 2 8. Any of the methods defined in Claims 21, through 27. This includes, for example, the step of adding the aforementioned crosslinked cellulose fibers to the cellulose membrane slerie. used for making the membranes mentioned 2 9. Methods as defined in Claim 28, which consist of, for example, the filling step. 3 0. Methods as defined in Claim 28, or 29, which are further complemented by, for example, the foregoing slurry steps. To be assembled into the network membrane and the removal of water from The aforementioned network membrane produces the aforementioned cellulose membrane 3. 1. Method as defined in Claim 30, in which the aforementioned binding agent is added to the cellulose membrane. the aforementioned network membrane by a method chosen from a group consisting of spraying, soaking and tapping 3. 2. Any method as defined in Claim 21, through 31. which cellulose membranes Said includes materials selected from a group consisting of sulphate, sulphate, debonded, bleached, unbleached, thermal-mechanical, chemical-mechanical, bleached wood pulp. by the chlorination process and bleached wood pulp by hydrogen peroxide and pulp Mixture of these membranes 3 3. Disposable fluid-absorbing splice products. This consists of, for example, a fluid-permeable cover layer, an impermeable back layer that is parallel to each other and has a general gap between each other, which is in relation to the aforementioned fluid-permeable covering layer, and the permeable constituents located between the layers. As mentioned above, components that can The aforementioned absorbents consist of, for example, non-removing cellulose membranes. which this membrane Contains an effective amount of binding agent and crosslinked cellulose fiber 3. 4. Fluid-absorbing products as defined in Claim 33, which make membranes. The aforementioned non-removing cellulose is mechanically softened to make The bendability of this membrane is high 3 5. Fluid-absorbing products as defined in claim 34, which make the membranes. The aforementioned non-removing cellulose is mechanically softened by a method selected from a group containing Porous stamping and microcorrugation 3 6. Fluid-absorbing products, as defined in Claims 33, through 35, for which the aforementioned non-removing cellulose membranes consist of samples. such as cellulose fibers Crosslinked species range from approximately 1 ; to approximately 99 percent by weight on a weight basis. Dried cellulose in the aforementioned membranes 3. 7. A fluid absorbable product, as defined in Claims 33, through 36, for which the aforementioned crosslinked cellulose fibers consist, for example: cellulose fiber treated with aqueous solution of glycol and dialdehyde 3 8. Absorbable fluid product as defined in claims 33, through 37, one of the following: which contains the anti-adhesive agent mentioned above in the non-removing cellulose membranes mentioned in This ranges from about 0.05 to about 10 percent on a dry weight basis of cellulose in sheets. The aforementioned membranes 3 9. Fluid absorbable product as defined in any of Claims 33, through 38. which the aforementioned adhesive remover is of the hydrophilic type 4. 0. Any product capable of absorbing fluids as defined in Claims 33, through 39, for which the aforementioned non-removing cellulose membranes including materials selected from the group that consists Sulphate wood pulp, sulphite, debonded, bleached, unbleached, thermal-mechanical pulp, thermo-mechanical chemical pulp bleached wood pulp by a chlorine-based process and bleached wood pulp by hydrogen peroxide and a mixture of these pulps 4 1. Fluid-absorbing products as defined in any of Claims 33, through 40. which the aforementioned absorbable components have a single structure that cannot be divided 4 2. Fluid absorbable products, as defined in one of Claim 33, through 41, the foregoing absorbable components include the upper transfer layer and the bottom deposition layer, which The aforementioned non-removing cellulose membranes make up the transfer layer or the source layer. Collect the aforementioned one of the 4th floor. 3. Packing material which consists, for example, the fluid-absorbing sheet of Claims 1 to 8, any one of these 4 4. Cotton balls to stop bleeding. which includes for example fluid absorbent pads of claims 1 to 8, any one of these