TH2863B - Cellulose micro fibers, which are dried by freezing. - Google Patents

Abstract

Absorbent and sorbent membranes are produced by mechanically processing cellulose fibers. to disperse and to make the outer layer of the second wall into a fibrous appearance Then the dispersant containing the diffusion agent was made. dry by freezing

Claims (8)

1. The absorbent product is composed of Parts with absorbent properties in the production Such packaging Within these sections are cellulose fibrous membranes, which are pulverized and dehydrated by freezing. The fibrous membrane consists of sheet-like fibrous particles. The sheet-like particles are arranged into discrete walls around the opening 2. The adsorbent product, as Claim 1, in which the cellulose membranes that have passed through the pulp and the freeze-drying have The capacitance of porous plates is at least 15 g / g when the tested fluid is aqueous solution of sodium chloride. At a concentration of 1 percent 3. The absorbent product as claim 1. In which the cellulose pulp that has been treated and dehydrated by freezing has the value of the absorbent retention value of the porous sheet. At least 10 g / g when the tested fluid Is the aqueous solution of sodium 1% chloride under hydraulic pressure of 35.5 cm. Of liquid 4. The adsorbent product as claim 1, in which cellulose membranes have been battered and dried by freezing. It is composed of sheets with a maximum size of approximately 2 microns to approximately 130 microns and a thickness of less than 5 microns. 5. Absorbent products as Claim 1, which the aforementioned product is sanitary napkins. Holds the right 1, which the product is a cotton pad in the vagina 7. Absorbent product as Claim 1, which the aforementioned product is sanitary diaper 8. Wound wound 9. Product as claim 1, in which cellulose fibers started is wood pulp 1 0. The sorbent product consists of an absorbent part inside. Which is a cellulose membrane with high absorbent properties And able to preserve the absorbent Such cellulose membranes are provided by Produce a dispersant in dilute water with cellulose fibers scattered. Hit the slury fiber Until at least the outermost layer of the secondary wall of the cellulose fibers is completely dispersed as a microfibre character and Freeze the slurry by freezing. Which results in cellulose membranes with high absorbent properties and good absorbent retention 1 1. The product of claim 10 in which a liquid solution with such aqueous dispersion has a solid content range from approximately 0.5 to approximately 10 percent by weight 1. 2.Product as claim 11, in which the aqueous dispersion liquid solution has a solid content range from approximately 1.5 to approximately 6.0 percent by weight 1. 3.Product as claim 10, in which the pulp is hit until the cellulose fibers are separated, until the fiber independence of the Canadian Standard is reduced to a value below 100 1. 4.Product as claim 13, in which pulp is beaten until the cellulose fibers are separated until the fiber independence of the Canadian Standard is reduced to a value below 50 1. 5. Product Clause 10, which the product is sanitary napkins 1 6. This product claims 10, which the product is a cotton swab in the vagina 1 7. This product claims 10, which the product is sanitary diapers 1 8. The product claims 10, which the product is wound cloth