Method of dry-forming sheet products containing super-absorbent polymers mixed with cellulosic fibres, and absorbent products thus obtained
Method of dry-forming sheet products comprising super-absorbent polymer mixed with cellulose fibres, comprising the steps of : (a) forming a suspension, in an air stream, of an intimate mixture of cellulose fibres and super-absorbent polymer; (b) feeding said suspension to a single or multiple head...
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| creator | NISTRI, UGO FONZI, GIORGIO COLOMBO, PAOLO |
| description | Method of dry-forming sheet products comprising super-absorbent polymer mixed with cellulose fibres, comprising the steps of : (a) forming a suspension, in an air stream, of an intimate mixture of cellulose fibres and super-absorbent polymer; (b) feeding said suspension to a single or multiple head for dry-forming sheets of paper; (c) laying-down said intimate mixture of cellulose fibres and super-absorbent polymer onto a moving web for dry-forming sheets of paper; (d) binding together the thus laid-down layer of fibres and polymer by means of a resin dispersion, of the type which is used for the dry-formation of paper sheets, and calendering it so as to dry-form a sheet constituted by a mixture of super-absorbent polymer and cellulose fibres. The product thus obtained shows characteristics of absorbency, resistance and distributing of the absorbed liquids, which are decidedly better than those of the known composite sheets, such as those comprising one or more supporting layers of tissue paper and/or dry-formed paper having a layer of super-absorbent polymer disposed thereon. |
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The product thus obtained shows characteristics of absorbency, resistance and distributing of the absorbed liquids, which are decidedly better than those of the known composite sheets, such as those comprising one or more supporting layers of tissue paper and/or dry-formed paper having a layer of super-absorbent polymer disposed thereon.</description><edition>4</edition><language>eng ; fre ; ger</language><subject>BANDAGES, DRESSINGS OR ABSORBENT PADS ; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES ; COFFEE MILLS ; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. 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STENTS</topic><topic>DISINFECTION, STERILISATION, OR DEODORISATION OF AIR</topic><topic>DOMESTIC ARTICLES OR APPLIANCES</topic><topic>DOMESTIC WASHING OR CLEANING</topic><topic>FILTERS IMPLANTABLE INTO BLOOD VESSELS</topic><topic>FIRST-AID KITS</topic><topic>FOMENTATION</topic><topic>FURNITURE</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL</topic><topic>ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES</topic><topic>PROSTHESES</topic><topic>SPICE MILLS</topic><topic>SUCTION CLEANERS IN GENERAL</topic><topic>TREATMENT OR PROTECTION OF EYES OR EARS</topic><toplevel>online_resources</toplevel><creatorcontrib>NISTRI, UGO</creatorcontrib><creatorcontrib>FONZI, GIORGIO</creatorcontrib><creatorcontrib>COLOMBO, PAOLO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NISTRI, UGO</au><au>FONZI, GIORGIO</au><au>COLOMBO, PAOLO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method of dry-forming sheet products containing super-absorbent polymers mixed with cellulosic fibres, and absorbent products thus obtained</title><date>1988-02-10</date><risdate>1988</risdate><abstract>Method of dry-forming sheet products comprising super-absorbent polymer mixed with cellulose fibres, comprising the steps of : (a) forming a suspension, in an air stream, of an intimate mixture of cellulose fibres and super-absorbent polymer; (b) feeding said suspension to a single or multiple head for dry-forming sheets of paper; (c) laying-down said intimate mixture of cellulose fibres and super-absorbent polymer onto a moving web for dry-forming sheets of paper; (d) binding together the thus laid-down layer of fibres and polymer by means of a resin dispersion, of the type which is used for the dry-formation of paper sheets, and calendering it so as to dry-form a sheet constituted by a mixture of super-absorbent polymer and cellulose fibres. The product thus obtained shows characteristics of absorbency, resistance and distributing of the absorbed liquids, which are decidedly better than those of the known composite sheets, such as those comprising one or more supporting layers of tissue paper and/or dry-formed paper having a layer of super-absorbent polymer disposed thereon.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES COFFEE MILLS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION FURNITURE HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SPICE MILLS SUCTION CLEANERS IN GENERAL TREATMENT OR PROTECTION OF EYES OR EARS |
| title | Method of dry-forming sheet products containing super-absorbent polymers mixed with cellulosic fibres, and absorbent products thus obtained |
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