| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 21 | 纸浆的处理方法 | CN02806650.2 | 2002-03-14 | CN1498227A | 2004-05-19 | 伊恩·格列弗逊; 海因策斯特·莫比亚斯; 德里克·安德鲁·维特曼 |
| 本发明提供一种处理化学木浆，或包括棉绒的化学纤维素的方法，包括基于在线的方式对化学木浆或化学纤维素(视情况而定)施加电子处理技术(EPT)步骤的步骤以控制纸浆的粘度或聚合度(DP)。本发明也提供一种处理上述木浆或纤维素的工艺控制方法，包括利用辐射剂量－粘度关系曲线的步骤，从而基于在线方式施加EPT的步骤。本发明形式的在线EPT步骤取代并因此去除化学DP减少步骤。 | ||||||
| 22 | 粘胶溶液的制备方法，粘胶溶液及其用途 | CN98804207.X | 1998-02-25 | CN1103783C | 2003-03-26 | K·比尤; A·卡塞尔; I·尤尼巴克; A·斯塔弗索夫 |
| 本发明涉及一种生产粘胶溶液的方法，包括：a)用电离粒子照射α-纤维素；b)用碱对照射过的α-纤维素进行丝光处理；c)采用以α-纤维素重量为基准低于约28wt%的二硫化碳对经照射和丝光处理的α-纤维素进行黄原酸化处理；d)将黄原酸化的α-纤维素溶解于碱的水溶液中，其特征在于，向所述过程中加入以α-纤维素重量计0.02-5wt%的表面活性剂，所述表面活性剂选自水溶性非离子表面活性剂和/或阳离子表面活性剂。所述的粘胶溶液具有适用于生产再生纤维素纤维的性能。 | ||||||
| 23 | 植物纤维素薄膜制品及其制备工艺 | CN92114514.4 | 1992-12-18 | CN1036140C | 1997-10-15 | 金桃根; 佟水心; 李鸣珍; 郑华林; 于永伟; 徐建中; 骆鸿珍 |
| 本发明涉及植物纤维素薄膜，按重量比其组成包括植物纤维素50～90%，改性剂0.2～40%和水分5～20%。该种植物纤维素还可以含有除草剂、杀虫剂、杀菌剂、N，P，K肥分、微量元素和稀土元素。该植物纤维素薄膜用作可降解农用地膜，商品、食品如肉肠、水果、蔬菜、糖果及糕点类、药品、垃圾包装材料及作人造草皮的绿生带。还可用该植物纤维素及半纤维素制取一次性杯子、餐具、食品盒等。制备该种植物纤维素薄膜的方法包括将植物纤维素提取、挤压、粉碎、降聚、磺化溶解、过滤、熟成制粘胶、喷膜、凝固、再生、脱硫、漂白、塑化、碾压、干燥、涂覆及卷收薄膜成品。 | ||||||
| 24 | 在液体中溶解粒状固体的方法和装置 | CN96113203.5 | 1996-08-14 | CN1158275A | 1997-09-03 | R·特朗普夫; R·齐因达 |
| 一种将颗粒状固体，特别是具有大分子结构的固体，溶解在液体中得到基本均匀的溶液的方法，一种用于实现该方法的装置，其中固体颗粒在第一时间被机械地粉碎。物料流入一罐中，并在其中搅拌，使液体中的固体颗粒悬浮，发生相应的溶解。然后物料连续泵出该罐，已经粉碎的颗粒在第二时间被机械地粉碎。物料引入容器(43)，在其中停留一段时间并同时搅拌，使液体中的固体颗粒再次悬浮并发生相应的溶解。此后，将物料泵出容器(43)，固体颗粒在第三时间被机械地粉碎。存在于液体中的固体颗粒小到能在后续的成熟过程中完全溶解。 | ||||||
| 25 | 植物纤维素薄膜制品及其工艺 | CN92114514.4 | 1992-12-18 | CN1088225A | 1994-06-22 | 金桃根; 佟水心; 李鸣珍; 郑华林; 于永伟; 徐建中; 骆鸿珍 |
| 本发明涉及植物纤维素薄膜，按重量比其组成包括植物纤维素50～90％，改性剂0.2～40％和水分5～20％。该种植物纤维素还可以含有除草剂、杀虫剂、杀菌剂、N，P，K肥分、微量元素和稀土元素。该植物纤维素薄膜用作可降解农用地膜，商品、食品如肉肠、水果、蔬菜、糖果及糕点类、药品、垃圾包装材料及作人造草皮的绿生带。还可用该植物纤维素及半纤维素制取一次性杯子、餐具、食品盒等。制备该种植物纤维素薄膜的方法包括将植物纤维素提取、挤压、粉碎、降聚、磺化溶解、过滤、熟成制粘胶、喷膜、凝固、再生、脱硫、漂白、塑化、碾压、干燥、涂覆及卷收薄膜成品。 | ||||||
| 26 | 비스코스 제조에 있어서의 알카리-셀룰로스 황화방법 | KR1019800002369 | 1980-06-16 | KR1019840001625B1 | 1984-10-12 | 지안프란코안젤리니; 유고파오레티 |
| Xanthation of alkli-cellulose comprise reacting alkali cellulose with excess CS2 at a pressure that increases during the reaction from an initial 100mmHg to a Final pressure of 400-500mmHg, and at an initial temp. of 20oC to a final temp. of 23-25oC Unreacted CS2 is removed from the reactoe by application of a vacuun. Pref. the vacuun exiting when the desired xanthate substitution is achieved is eliminated by the introduction of inert gas before applying the vacuum to remove the excesss CS2. Viscose is produced by dissolving the obtd. cellulose xanthate in dilute NaOh. The viscose obtd. is particularly useful as a spinning dope for continuous spinning. | ||||||
| 27 | Method for treating a mixture | US15028615 | 2014-09-26 | US09657412B2 | 2017-05-23 | Daniel Witte; Christian Oecknick |
| A method for treating a mixture in a single-shaft or multi-shaft mixer (M), especially a kneader-mixer, especially for preparing a spinning solution. A solvent or solvent mixture is added to the product over the length of a product chamber in order to reduce a viscosity of the solvent or of the mixture and to increase an evaporative capacity. The viscosity of the solution or of the mixture is determined and/or modified in predetermined locations in the product chamber. | ||||||
| 28 | Polysaccharide-based polymer tissue adhesive for medical use | US13790336 | 2013-03-08 | US08715636B2 | 2014-05-06 | George K. Kodokian; Samuel David Arthur |
| Tissue adhesives formed by reacting an oxidized polysaccharide with a water-dispersible multi-arm polyether amine, wherein at least three of the arms are terminated by primary amine groups, are disclosed. The use of the tissue adhesives for medical and veterinary applications such as topical wound closure; and surgical procedures, such as intestinal anastomosis, vascular anastomosis, tissue repair, and ophthalmic procedures; drug delivery; anti-adhesive applications; and as a bulking agent to treat urinary incontinence are described. | ||||||
| 29 | PULP REACTIVITY ENHANCEMENT | US12304497 | 2007-06-12 | US20090321025A1 | 2009-12-31 | Derek Andrew Weightman; Habil Klaus Fischer; Heinzhorst Mobius |
| This invention relates to pulp reactivity enhancement. In particular, the invention relates to a method of producing an alkali cellulose which includes steps of providing a pulp and subjecting the pulp to an alkaline treatment to produce the alkali cellulose in the presence of a spacer capable of entering the holes in the interfibrillar spaces of the cellulose fibres. The spacer enters the holes in the interfibrillar spaces of the cellulose fibres, particularly those created by the removal of hemi-cellulose, reducing the tendency for collapse to occur, for example during the subsequent pressing step. Examples of suitable spacers are polyethylene glycols, polyvinyl alcohols and polyacrylates. | ||||||
| 30 | Viscose product | US11427927 | 2006-06-30 | US07390566B2 | 2008-06-24 | Mengkui Luo; John A. Westland |
| Pulp with a high hemicellulose level is blended with a dissolving grade pulp and converted to viscose. Blending can be performed during steeping or after steeping. Spinning of the viscose containing the blend, into filaments yields fibers with strength properties that are at least equal to those of the dissolving pulp alone. | ||||||
| 31 | Method for Processing High Hemicellulose Pulp in Viscose Manufacture and Products Therefrom | US11427927 | 2006-06-30 | US20080003429A1 | 2008-01-03 | Mengkui Luo; John Westland |
| Pulp with a high hemicellulose level is blended with a dissolving grade pulp and converted to viscose. Blending can be performed during steeping or after steeping. Spinning of the viscose containing the blend, into filaments yields fibers with strength properties that are at least equal to those of the dissolving pulp alone. | ||||||
| 32 | Pulp treatment and process | US10471845 | 2004-02-20 | US20040129394A1 | 2004-07-08 | Ian Graveson; Heinzhorst Mobius; Derek Andrew Weightman |
| This invention provides a process for treating chemical woodpulp, or chemical cellulose including cotton linter, including the step of applying an electron processing technology (EPT) step to chemical woodpulp, or chemical cellulose, as the case may be, on an in-line basis to provide control of pulp viscosity or degree of polymerisation (DP). The invention also provides a method of process control in treating the aforementioned woodpulp or cellulose, including the step of using radiation dose-viscosity relationship curve for applying an EPT step on an in-line basis. The in-line EPT step may, in one form of the invention, replace and hence eliminate a chemical DP reduction step. | ||||||
| 33 | Method for improving the filterability of a viscose solution | US607339 | 1984-05-04 | US4548647A | 1985-10-22 | Karl B. G. Alvryd; Leif E. Elsby; Hans I. Uneback |
| The present invention provides a method for improving the filterability of a viscose solution by adding prior to the xanthation an ester compound containing alkyleneoxy units. | ||||||
| 34 | Method for preparing bagasse dissolving pulps and producing rayon having a degree of polymerization of at least 800 therefrom | US954668 | 1978-10-25 | US4199399A | 1980-04-22 | Eduardo J. Villavicencio |
| A dissolving pulp suitable for preparing rayon having a degree of polymerization of greater than about 800 can be produced using bagasse by a sodium hydroxide-sodium sulfite digestion at a ph of about 10.5 to 11.5 and preferably about 10.8 to 11.2 and a caustic-sulfite weight ratio of 1:1 to 1:3 followed by a bleaching sequence of DcEDH or DcEDD. This results in a high purity low silica content fiber which has undergone very little degradation. | ||||||
| 35 | Process for making solutions of cellulosic compounds | US838843 | 1977-10-03 | US4136255A | 1979-01-23 | Neal E. Franks |
| A solution of cellulose or cellulose derivative suitable for spinning, extruding or other shaping process is prepared by steeping unaged cellulose or a cellulosic derivative a plurality of times, consecutively, subsequently shredding and then aging prior to xanthation or the like. The concentration of alkali metal hydroxide of the solution used for resteeping is lower than that in the first steeping step. The process produces a viscose with less carbon disulfide than the conventional process without reduction in yield of cellulose. The process is adaptable for steeping in conventional press steeping apparatus or slurry steeping apparatus. | ||||||
| 36 | Low d p high d p viscose mixture using high cellulose concentration | US3758458D | 1971-12-08 | US3758458A | 1973-09-11 | DYER J |
| A MIXTURE OF VISCOSE SOLUTIONS SUITBLE FOR PREPARING SHAPED REGENERATED CELLULOSE ARTICLES WHEREIN ONE VISCOSE CONTAINS A MEDIUM TO LOW CELLULOSE CONTENT AND THE CELLULOSE HAS A HIGH MOLECULAR WEIGHT AND THE OTHER VISCOSE CONTAINS A LARGE AMOUNT OF CELLULOSE WHICH HAS A MEDIUM TO LOW MOLECULAR WEIGHT, IS DISCLOSED HEREIN.
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| 37 | Process for manufacturing cellulose xanthate and viscose prepared from said cellulose xanthate | US3728330D | 1971-06-02 | US3728330A | 1973-04-17 | SIHTOLA H; NIZOVSKY B |
| VISCOSE MANUFACTURING PROCESS. AGED ALKALI CELLULOSE CONTAINING 20-36 WT. PERCENT CELLULOSE AND MORE THAN 14 WT. PERCENT NAOH IS RE-STEEPED WITH A SODIUM HYDROXIDE SOLUTION CONTAINING LESS THAN 15% BY WEIGHT NAOH AND PRESSED TO REDUCE THE AMOUNT OF NAOH IN THE ALKALI CELLULOSE, YIELDING A SECOND ALKAI CELLULOSE CONTAINNG LESS THAN 14% BY WEIGHT NAOH AND AT LEAST 24% BY WEIGHT CELLULOSE BASED ON THE TOTAL WEIGHT OF SAID SECOND ALKALI CELLULOSE. THE SECOND ALKALI CELLULOSE IS XANTHATED WITH CARBON DISULFIDE. THE AMOUNT OF CARBON DISULFIDE REQUIRED FOR XANTHATION BASED ON THE TOTAL WEIGHT OFTHE CELLULOSE IN THE ALKALI CELLULOSE IS VERY LOW ANDFOR RAYON STAPLE AND CELLOPHANE MAY BE AS LOW AS 14-24% DUE TO THE LOW AMOUNT OF SODIUM HYDROXIDE ANDTHE HIGH AMOUNT OF CELLULOSE PRESENT IN THE ALKALI CELLULOSE. THE XANTHATE IS THEREAFTR DISSOLVED IN DILUTE SODIUM HYDROXIDE OR WATER TO YIELD VISCOSE.
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| 38 | Sulfonated polymeric alcohols | US3689466D | 1969-09-09 | US3689466A | 1972-09-05 | BRIDGEFORD DOUGLAS J; TURBAK ALBIN F; BURKE NOEL I |
| POLYMERIC ALCOHOL DERIVATIVES CONSISTING OF POLYMERIC ALCOHOL SULFONIC ACIDS CONTAINING S-XANTHOGENATE ESTER SUBSTITUENTS OF THE GENERAL FORMULA
-O-C(=X)-S-R-SO3H AND SALTS OF SAID POLYMERIC ALCOHOL SULFONIC ACIDS PREPARED BY REACTION OF A SULTONE, E.G., 1,3-PROPANE SULTONE, WITH THE FREE ACID FORM OR A SALT OF A POLYMERIC ALCOHOL XANTHOGENATE ESTER, E.G., CELLULOSE XANTHATE. THE NOVEL OMEGA-SULFONATED POLYMERIC ALCOHOL DERIVATIVES HAVE PHYSICAL AND CHEMICAL PROPERTIES, E.G., SOLUBILITY, VISCOSITY, REACTIVITY WITH CROSS-LINKING AGENTS, AND AN ANIONIC CHARACTER, ADAPTING THEM FOR ADVANTAGEOUS USE IN A WIDE RANGE OF APPLICATION. THE DERIVATIVES FINE PARTICULAR UTILITY AS ANTI-STATIC AND ANTI-SOILING AGENTS WHICH ARE EFFECTIVE WHEN APPLIED TO A WIDE RANGE OF SOIL RECEPTIVE SUBSTRATES, E.G., NATURAL AND SYNTHETIC TEXILES. |
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| 39 | Preparation of unsaturated compounds by xanthate decomposition | US3666739D | 1969-09-10 | US3666739A | 1972-05-30 | BURKE NOEL I; BRIDGEFORD DOUGLAS J; TURBAK ALBIN F |
| Simple and complex unsaturated compounds are prepared by decomposition of certain xanthate esters, Xanthate esters of the form: WHERE R is an alkyl function having at least one H in a position alpha to the R - O bond, (C)n is a linear alkyl function either substituted or unsubstituted, with n 1 - 3, X has a basicity greater than the FUNCTION AND COMPRISES A C or S containing functional group having at least one double or triple bond to a hetero atom, the functional group being connected to (C)n through C or S; will decompose upon heating in water or in a protonated non-aqueous solvent, e.g. methanol, ethanol, etc., glycol, cellosolve, liquid ammonia, pyridine, lower alkyl amines, aniline, etc., to yield an unsaturated derivative of R.
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| 40 | Preparation of unsaturated compounds by hydrolysis of xanthate-lewis acid complexes | US3666738D | 1969-09-10 | US3666738A | 1972-05-30 | BURKE NOEL I; BRIDGEFORD DOUGLAS J; TURBAK ALBIN F |
| Simple and complex unsaturated compounds are prepared by decomposition of certain xanthate ester - Lewis acid complexes. Xanthate esters of the form: WHERE R is an alkyl function having at least one H in a position alpha to the R - O bond, (C)n is a linear alkyl function either substituted or unsubstituted, with n 1 - 3, X has a basicity greater than the FUNCTION AND COMPRISES A C or S containing functional group having at least one double or triple bond to a hetero atom, the functional group being connected to (C)n through C or S; are reacted with Lewis acids, either neat or in non-protonic nonaqueous solvents, to yield a Lewis acid complex of the esters. The Lewis acid - xanthate ester complex is decomposed by admixture with water or a protonic non-aqueous solvent, e.g. methanol, ethanol, etc., glycol, cellosolve, liquid ammonia, lower alkyl primary or secondary amines, aniline, etc., to yield an unsaturated derivative of R.
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