TH15780A - Sheet-layer adsorption structures, structures consisting of absorbent materials and their manufacturing methods. - Google Patents

Claims (4)

1. Sheet layer adsorption structure, its properties that form the combination of the first and second (1,2) layers of fibrous material and the middle plate (5) composed of hydroge absorbing material. The shilling (6) is distributed between the first and second (1,2) layers, at least one of the first and second (1,2) layers to allow liquid to penetrate, and the middle layer ( 5) It consists of a thermoplastic material (7) which bonds at least the first layer. And two sheet layers (1,2) together with the middle sheet layer (5) in between, to form a bond (9) with discrete spaces. Rights 1, are described in the first and second (1,2) layers of the fibrous material. Overhang over the middle plate (5) that forms the edge The lateral (8), and in the first and second (1,2) layers of fibrous material are welded. Bonded together along each edge (8) by the middle of the continuous binder line (10) 3. Absorbing structure according to claim 1 described in the first and second layer (1,2 A) of fibrous material With a basic weight between approximately 20 g / m 2 and approximately 150 g / m 2 4. The adsorbent structure according to claim 1, was characterized with the amount of hydrogeling absorbent material (6) distributed between The first and second sheets (1,2), in size between approx. 30 g /, 2 and approx. 150 g / m 2, 5. The absorbent structure according to claim 1, is characterized with the thermoplastic material. Moloplastic (7), an organic polymeric material 6. The adsorbent structure according to claim 1, is characterized in that the amount of thermoplastic material (7) exists between 5 g / m 2 and Approximately 30 g / m 2 7. The adsorbent structure according to claim 1, is characterized by the amount of thermoplastic material (7) available in a finely divided form of material. According to claim 1, the characteristics were described in which the amount of thermoplastic material (7) with at least 25 g / 10 min melt folw index (MFI) was described. 9. The layered adsorption structure was described in its characteristics. Assembled, of first and second layer fibrous material (1,2) with a base weight between approximately 20 g / m 2 and approximately 150 g / m 2 and the middle plate (5). Contains As a result of hydrogeling, the absorbent material between approximately 30 g / m 2 and approximately 150 g / m 2 was distributed between the first and second fibrous sheets (1,2). At least one In the first and second fibrous sheets and sheets (1,2) that allow liquid to penetrate, the first and second fibrous sheets (1,2) protrude above the middle sheet (5 ) That formed the area Longitudinal fringe (8) The middle plate layer (5) consists of a mixture of hydrogeling absorbent (6) and a volume between approximately 5 g / m 2 and approximately 30 g / m 2 of organic material. Thermoplastic Finely divided polymers (7), which have a melt flow index (M.F.I) of at least 25 g / 10 min, and are required to bond at least to the flue layer. The first and second disc (1,2) join together the middle plate (5) between them, forming a bond with discrete gaps (9), absorbent structure. Floor plan Sheets are also described as a sheet layer of fibrous material (1,2) that is bonded together. Each along the long edge of each region (8) by the middle of the continuous adherent line (10) 1 0. The absorbent structure according to claim 1, is described as General structure Rectangular 1 1. The absorbent structure according to claim 1, is described in the manner that the structure consists of more than 2 sheet layers of fibrous material with a central sheet layer (5) in between. Each pair of fibrous, middle plate layers consists of a mixture of hydrogeling absorbent material (6) and thermoplastic material. (7) 1 2. The absorbent structure according to claim 1 is described in that the sheet layer of fibrous material (1,2) consists of a sheet layer of short, dry cellulose fiber 1 3. Structure In accordance with claim 1, it is characterized in that the sheet layer of fibrous material (1,2) is made of different materials 1 4. The absorbent structure according to claim 1, is characterized by that the material Thermoplastic (7) has a melt folw index of at least 40 g / 10 min. The most popular is at least 60 g / 10 min. 1 5. The absorbent structure according to claim 1, is characterized as a thermoplastic material. Moloplastic (7) is in the form of solid hot melt particles 1 6. The adsorbent structure according to claim 1, is characterized by that the thermoplastic material is polyethylene 1 7. Structure Absorb according to claim 1, it is described as a thermoplastic material. That is, the amount is between approximately 5 g / m 2 and 15 g / m 2 of poly A particles. Thylene with dimensions up to 400 microns 1 8. The absorbent structure according to claim 9 is described in the manner in which the adhesion line (10) consists of a heat-fused fastener 1 9. The adsorption structure according to claim 1. , Was described as that Its thickness is no more than 3 mm. 2 0. Disposable absorbent material. It consists of an absorbent structure according to claim 9, defined between the liquid permeable sheet layer in the upper (15) and the lower sheet (28), which does not allow liquid to penetrate 2. 1. Absorbent material, disposable according to claim 20 in the label of sanitary napkin. With no thickness Approximately 4 mm2. 2. The method for producing absorbent structures according to claim 1, is described as the structural It consists of the following steps: - Prepare the first (1) layer of fibrous material, - Prepare the second (2) layer of fibrous material, the width that the second layer can come into contact with. The first layer (1) along the long edge, respectively (8) - particle mixture distribution of hydrogeling absorbent material (6) and thermoplastic absorbent. On the first layer (1) of fibrous material, the mixture was distributed in such a way that the edge along the thin (8) of the first layer. (1) freed, - the addition of adhesives (10) to the longitudinal area of the first layer (1) and - the combination of the first layer (1), the middle layer (5) and the layer. The second (2) plate in the sheet layer structure by adding heat and pressure to melt the thermoplastic material. In order to form a bond with discrete gaps (9) between the first sheet layer (1) and the second sheet layer (2) with the bonding line (0) that joins the sheet layer. The first and the second sheet (1,2) together along the long edge (8) 2 3. The method of claim 22, is described in such a way that the attachment line (10) is added to the Characteristics of continuous lines 2 4. The method of manufacturing the absorbent sanitary napkin material, is characterized in that the material contains The following steps: - Prepare the first layer (25) of the liquid permeable layer sheet material. - Prepare a continuous second layer (25) of the flexible sheet material that does not. Allow liquid to penetrate - Provide at least one common rectangular area of the suction structure. - A combination of a continuous first layer (25), a continuous second layer (28) and an absorbent structure in such a way that The absorbent structure is defined and bonded between the first and second sheet layers (25,28).