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公开(公告)号：DE602006002027D1
公开(公告)日：2008-09-11
申请号：DE602006002027
申请日：2006-02-27
Applicant: STFI PACKFORSK AB
Inventor： NORMAN BO , HERMANSSON LENNART , SOEDERBERG DANIEL
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公开(公告)号：CA2641607A1
公开(公告)日：2007-08-16
申请号：CA2641607
申请日：2007-01-31
Applicant: STFI PACKFORSK AB
Inventor： HENRIKSSON GUNNAR , LINDSTROM TOM , ANKERFORS MIKAEL
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公开(公告)号：AU2007212781A1
公开(公告)日：2007-08-16
申请号：AU2007212781
申请日：2007-01-31
Applicant: STFI PACKFORSK AB
Inventor： HENRIKSSON GUNNAR , ANKERFORS MIKAEL , LINDSTROM TOM
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公开(公告)号：EP1984561A1
公开(公告)日：2008-10-29
申请号：EP07709298.9
申请日：2007-01-31
Applicant: STFI-Packforsk AB
Inventor： LINDSTRÖM, Tom , ANKERFORS, Mikael , HENRIKSSON, Gunnar
Abstract: The present invention provides a method for treatment of chemical pulp for the manufacturing of microfibrillated cellulose comprising the following steps: a) providing a hemicellulose containing pulp, b) refining said pulp in at least one step and treating said pulp with one or more wood degrading enzymes at a relatively low enzyme dosage, and c) homogenizing said pulp thus providing s aid microfibrillated cellulose. According to a second aspect of the invention a microfibrillated cellulose obtainable by the method according to the first aspect is provided . According to a third aspect of the invention, use of said microfibrillated cellulose according to the second aspect in food products, paper products, composite materials, coatings or in rheology modifiers (e.g. drilling muds) is provided .
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公开(公告)号：EP1853760B1
公开(公告)日：2008-10-08
申请号：EP06716944.1
申请日：2006-02-27
Applicant: STFI-Packforsk AB
Inventor： NORMAN, Bo , HERMANSSON, Lennart
Abstract: Dewatering arrangement adapted to use in a twin-wire dewatering section of a paper machine, comprising a rotating forming roll, a head box for supplying stock arranged before the forming roll, a closed loop first wire adapted to, be partly wrapped around the forming roll to a separation line where its contact with the forming roll ceases, and to receive the stock from the head box on its surface not facing the forming roll, a closed loop second wire adapted to be partly wrapped around the forming roll on top of the first wire thereby pressing the stock between itself and the first wire, a first blade, substantially parallel with the forming roll, is arranged to support the lower side of the wire after the separation line of the forming roll and is arranged such that the tip of the blade is directed against the wire transporting direction, The distance from the separation line to the blade is less than 100 mm. By supporting the wire close to the forming roll movement of the first wire is suppressed, thus reducing unwanted effects like sheet damages.
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Patent Agency Ranking
公开(公告)号：EP1984561A4
公开(公告)日：2012-08-01
申请号：EP07709298
申请日：2007-01-31
Applicant: STFI PACKFORSK AB
Inventor： LINDSTROEM TOM , ANKERFORS MIKAEL , HENRIKSSON GUNNAR
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公开(公告)号：EP1994041A1
公开(公告)日：2008-11-26
申请号：EP07709311.0
申请日：2007-02-02
Applicant: STFI-Packforsk AB
Inventor： DAHLMAN, Olof , TOMANI, Per , AXEGARD, Peter , LUNDQVIST, Fredrik , LINDGREN, Karin
IPC: C07H1/06
CPC classification number: D21C11/0007 , C07H1/06 , C08B37/0057 , C08H8/00
Abstract: The present invention provides a method for extracting polymeric pentose, preferably xylan, from a polymeric pentose containing liquid/slurry, preferably black liquor, comprising the following steps: a) providing a polymeric pentose containing liquid/slurry; b) concentrating the polymeric pentose by membrane separation of a said polymeric pentose containing liquid/slurry; and c) adding alcohol to the concentrate obtained in step b) and subsequently acidifying said concentrate obtained in step b) for precipitating polymeric pentose whereby a polymeric pentose product, or an intermediate polymeric pentose product, is obtained. In this above way polymeric pentose, e.g. xylan, is separated whereby the use of methanol (less lignin must be kept in solution) and acid (less acid which buffers the pH- decrease) become much lower. The present invention also provides according to a second aspect a polymeric pentose product or an intermediate polymeric pentose product obtainable by the method according to the first aspect. The present invention also provides according to a third aspect use, preferably for the production of food additives or as chemical feed stock, of the polymeric pentose product or the intermediate polymeric pentose product of the second aspect of the invention.
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公开(公告)号：EP1853760A1
公开(公告)日：2007-11-14
申请号：EP06716944.1
申请日：2006-02-27
Applicant: STFI-Packforsk AB
Inventor： NORMAN, Bo , HERMANSSON, Lennart
Abstract: Dewatering arrangement adapted to use in a twin-wire dewatering section of a paper machine, comprising a rotating forming roll, a head box for supplying stock arranged before the forming roll, a closed loop first wire adapted to, be partly wrapped around the forming roll to a separation line where its contact with the forming roll ceases, and to receive the stock from the head box on its surface not facing the forming roll, a closed loop second wire adapted to be partly wrapped around the forming roll on top of the first wire thereby pressing the stock between itself and the first wire, a first blade, substantially parallel with the forming roll, is arranged to support the lower side of the wire after the separation line of the forming roll and is arranged such that the tip of the blade is directed against the wire transporting direction, The distance from the separation line to the blade is less than 100 mm. By supporting the wire close to the forming roll movement of the first wire is suppressed, thus reducing unwanted effects like sheet damages.
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公开(公告)号：EP1759058A1
公开(公告)日：2007-03-07
申请号：EP05752539.6
申请日：2005-06-16
Applicant: STFI-Packforsk AB
Inventor： GLAD-NORDMARK, Gunborg , LINDSTRÖM, Tom
Abstract: The present invention provides, according to a first aspect a method for manufacturing paper or paperboard, wherein the a) the pulp is treated with CMC or a derivative thereof or an amphoteric CMC derivative, thereby forming a stock , b) filler/pigment is treated with a cationically active polymer with an addition of approximately from 0.015 % to 1.5 %, preferably from 0.03 % to 0.6 %, most preferred approximately 0.3 % ; and c) the thus treated filler/pigment is added to the stock, comprising at least 10 treated fibres (may be up to 100%) according to step a). The present invention also provides, according to a second aspect, paper or paperboard obtainable by the above method according to the first aspect. According to a third aspect of the invention, use of paper or paper board according to the second aspect of the invention for the manufacture of liquid board, communication paper, packaging paper, liner or board is provided.
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公开(公告)号：EP2067793A1
公开(公告)日：2009-06-10
申请号：EP07121627.9
申请日：2007-11-27
Applicant: STFI-Packforsk AB
Inventor： Dahlman, Olof , Edlund, Ulrica , Albertsson, Ann-Christine , Söderqvist Lindblad, Margaretha , Parkås, Jim
CPC classification number: D21C3/00 , C08B37/0003 , C08H8/00 , D21C1/02
Abstract: The present invention relates to a method for utilizing a wood hydrolysate obtained from a hydrothermal treatment of a wood material method comprises the steps of providing a wood material, treating the wood material by means of an aqueous hydrothermal treatment so that a wood hydrolysate and a wood residue is formed. The wood hydrolysate comprises oligo- and polysaccharides as the main component of dry matter. The method further comprises the steps of; separating the wood hydrolysate into at least a first and a second fraction and using at least one of the at least first and second fractions for production of an intermediate or end product. Such end product may be e.g. a film, coating, package or a gel. The present invention also relates to a polymer product such as a film, a coating or a gel and its applications. The present invention provides for biodegradable and renewable polymer products and a method which utilizes and extracts a very high product value from a process.
Abstract translation: 本发明涉及一种利用由木材材料的水热处理获得的木材水解产物的方法，该方法包括以下步骤：提供木材材料，通过水热水处理处理木材材料，使得木材水解产物和木材 残渣形成。 木材水解产物包含低聚糖和多糖作为干物质的主要组分。 该方法还包括以下步骤： 将木材水解产物分离成至少第一和第二部分，并使用至少第一和第二部分中的至少一种产生中间产物或最终产物。 这种最终产品可以是例如 薄膜，涂层，包装或凝胶。 本发明还涉及聚合物产品如膜，涂层或凝胶及其应用。 本发明提供可生物降解的和可再生的聚合物产品以及利用和从工艺中提取非常高的产品价值的方法。
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