专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5094690A Process and arrangement for preparing a solution of cellulose 失效
标题翻译：制备纤维素溶液的方法和布置
公开(公告)号：US5094690A
公开(公告)日：1992-03-10
申请号：US742093
申请日：1991-08-02
申请人： Stefan Zikeli , Bernd Wolschner , Dieter Eichinger , Raimund Jurkovic , Heinrich Firgo
发明人： Stefan Zikeli , Bernd Wolschner , Dieter Eichinger , Raimund Jurkovic , Heinrich Firgo
IPC分类号： B01F1/00 , C08B1/00 , C08J3/09 , D01F2/00
CPC分类号： C08J3/096 , B01F1/0005 , B01F1/0011 , B01F1/0022 , C08B1/003 , C08J3/091 , D01F2/00 , C08J2301/02
摘要： There is disclosed a process for preparing solutions of cellulose in aqueous tertiary amine oxides from a suspension of cellulose in an aqueous solution of the tertiary amine oxide by supplying heat at a reduced pressure. The suspension is transported over a heating surface, spread in layers or coats, until a homogenous solution of the cellulose has formed, which has a viscosity of between 50 and 15,000 Pas.s. Feeding of the suspension and drawing-off of the homogenous solution are carried out continuously. The solutions are prepared in an indirectly heated evacuatable vessel provided with a stirring device. The vessel is designed as a cylindrical container including a centrically mounted stirring shaft having agitators joined thereto, the radial distance of the agitators from the internal wall of the container being 20 mm at the most. There are provided an intake for the cellulose suspension in the upper part of the container and an outlet for the homogenous collulose solution in its lower end.
摘要翻译：公开了一种通过在减压下供应热量来从纤维素悬浮液中制备纤维素在叔胺氧化物的水溶液中的水溶液的叔胺氧化物溶液的方法。悬浮液在加热表面上运输，分层或涂层，直到形成均匀的纤维素溶液，其粘度为50至15,000Pa.s. 连续进行悬浮液的供给和均匀溶液的抽出。溶液在配有搅拌装置的间接加热的可抽空容器中制备。容器设计为圆柱形容器，其包括具有与其连接的搅拌器的中心安装的搅拌轴，搅拌器与容器的内壁的径向距离最大为20mm。在容器的上部提供纤维素悬浮液的入口和其下端的均匀的纤维素溶液的出口。

2. 发明授权

US5330567A Process and arrangement for preparing a solution of cellulose 失效
标题翻译：制备纤维素溶液的方法和布置
公开(公告)号：US5330567A
公开(公告)日：1994-07-19
申请号：US998774
申请日：1992-10-28
申请人： Stefan Zikeli , Bernd Wolschner , Dieter Eichinger , Raimund Jurkovic , Heinrich Firgo
发明人： Stefan Zikeli , Bernd Wolschner , Dieter Eichinger , Raimund Jurkovic , Heinrich Firgo
IPC分类号： B01F1/00 , C08B1/00 , C08J3/09 , D01F2/00 , C09D101/02
CPC分类号： C08J3/096 , B01F1/0005 , B01F1/0011 , B01F1/0022 , C08B1/003 , C08J3/091 , D01F2/00 , C08J2301/02
摘要： There is disclosed a process for preparing solutions of cellulose in aqueous tertiary amine oxides from a suspension of cellulose in an aqueous solution of the tertiary amine oxide by supplying heat at a reduced pressure. The suspension is transported over a heating surface, spread in layers or coats, until a homogenous solution of the cellulose has formed, which has a viscosity of between 50 and 15,000 Pas.s. Feeding of the suspension and drawing-off of the homogenous solution are carried out continuously. The solutions are prepared in an indirectly heated evacuatable vessel provided with a stirring device. The vessel is designed as a cylindrical container including a centrically mounted stirring shaft having agitators joined thereto, the radial distance of the agitators from the internal wall of the container being 20 mm at the most. There are provided an intake for the cellulose suspension in the upper part of the container and an outlet for the homogenous cellulose solution in its lower end.
摘要翻译：公开了一种通过在减压下供应热量来从纤维素悬浮液中制备纤维素在叔胺氧化物的水溶液中的水溶液的叔胺氧化物溶液的方法。悬浮液在加热表面上运输，分层或涂层，直到形成均匀的纤维素溶液，其粘度为50至15,000Pa.s. 连续进行悬浮液的供给和均匀溶液的抽出。溶液在配有搅拌装置的间接加热的可抽空容器中制备。容器设计为圆柱形容器，其包括具有与其连接的搅拌器的中心安装的搅拌轴，搅拌器与容器的内壁的径向距离最大为20mm。在容器的上部提供纤维素悬浮液的入口和其下端的均匀纤维素溶液的出口。

3. 发明授权

US5252284A Method of producing shaped cellulosic articles 失效
标题翻译：生产成形纤维素制品的方法
公开(公告)号：US5252284A
公开(公告)日：1993-10-12
申请号：US817937
申请日：1992-01-08
申请人： Raimund Jurkovic , Heinrich Firgo , Dieter Eichinger , Stefan Zikeli
发明人： Raimund Jurkovic , Heinrich Firgo , Dieter Eichinger , Stefan Zikeli
IPC分类号： C08J5/00 , C08J3/16 , C08L1/02 , D01D4/02 , D01D5/04 , D01D5/06 , D01D5/08 , D01F2/00 , D01F6/00 , D03D15/00
CPC分类号： D01D4/02 , D01D5/06 , D01F2/00
摘要： A cellulosic solution in a amine oxide and water is forced through an elongated orifice passage having a minimum length of 1000 /.mu.m and a minimum diameter along the length which is up to 150 /.mu.m so that fiber characteristics are imparted to the emerging strand which passes through an air gap of at the most 35 mm in length into the coagulating solution.
摘要翻译：将氧化胺和水中的纤维素溶液强制通过具有最小长度为1000 /μm的细长孔通道，并且沿着长度达150μm/μm的最小直径，使得纤维特性被赋予新兴链其通过最长35mm的气隙进入凝固溶液。

4. 发明授权

US5216144A Method of producing shaped cellulosic articles 失效
标题翻译：生产形状纤维素制品的方法
公开(公告)号：US5216144A
公开(公告)日：1993-06-01
申请号：US804335
申请日：1991-12-06
申请人： Dieter Eichinger , Raimund Jurkovic , Stephan Astegger , Heinrich Firgo , Peter Hinterholzer , Karin Weinzierl , Stefan Zikeli
发明人： Dieter Eichinger , Raimund Jurkovic , Stephan Astegger , Heinrich Firgo , Peter Hinterholzer , Karin Weinzierl , Stefan Zikeli
IPC分类号： D01F2/02 , C08B1/00 , C08L1/02 , D01F2/00
CPC分类号： D01F2/00 , C08B1/003 , C08L1/02
摘要： Shaped cellulosic bodies and especially cellulosic fibers or filaments are produced by precipitating cellulose from a solution containing cellulose and NMMO. To allow elevated concentrations of NMMO in the precipitating bath without detriment to the properties of the fibers or filaments produced, the temperature of the precipitating bath is held at most at 0.degree. C.
摘要翻译：通过从含有纤维素和NMMO的溶液中沉淀纤维素而产生成型的纤维素体，特别是纤维素纤维或长丝。为了使沉淀池中的NMMO浓度升高而不损害所生产的纤维或长丝的性质，沉淀浴的温度最多保持在0℃。

5. 发明授权

US5178764A Process for cleaning or purifying aqueous N-methylmorpholine-N-oxide solutions 失效
标题翻译：清洁或净化水性N-甲基吗啉-N-氧化物溶液的方法
公开(公告)号：US5178764A
公开(公告)日：1993-01-12
申请号：US797126
申请日：1991-11-22
申请人： Stefan Astegger , Heinrich Firgo , Bernd Wolschner , Johann Manner , Karin Weinzierl , Stefan Zikeli , Dieter Eichinger
发明人： Stefan Astegger , Heinrich Firgo , Bernd Wolschner , Johann Manner , Karin Weinzierl , Stefan Zikeli , Dieter Eichinger
IPC分类号： B01D37/02 , B01D15/00 , C02F1/28 , C07D295/22 , D01D1/02 , D01F2/00 , D01F13/02
CPC分类号： D01F13/02 , B01D15/00 , C02F1/281 , C02F1/283 , Y02P70/627
摘要： An aqueous N-methylmorpholine-N-oxide solution which was used as a spinning bath in the production of cellulosic products is regenerated by contacting it with active coal, silicon dioxide or alumina adsorbent and filtering, thereby reducing turbidity, eliminating nitrosoamine, decolorizing the solution and removing transition metals like iron therefrom.
摘要翻译：在制造纤维素产品中用作纺丝浴的N-甲基吗啉-N-氧化物水溶液通过与活性煤，二氧化硅或氧化铝吸附剂接触并进行过滤再生，从而降低浊度，消除亚硝基胺，使溶液脱色并从其中除去铁等过渡金属。

6. 发明授权

US5118423A Method of removing water from a dilute solution of N-methylmorpholine-N-oxide, N-methylmorpholine, or morpholine 失效
标题翻译：从N-甲基吗啉-N-氧化物，N-甲基吗啉或吗啉的稀释溶液中除去水的方法
公开(公告)号：US5118423A
公开(公告)日：1992-06-02
申请号：US675565
申请日：1991-03-27
申请人： Stephan Astegger , Dieter Eichinger , Heinrich Firgo , Karin Weinzierl , Bernd Wolschner , Stefan Zikeli
发明人： Stephan Astegger , Dieter Eichinger , Heinrich Firgo , Karin Weinzierl , Bernd Wolschner , Stefan Zikeli
IPC分类号： B01D61/02 , C02F1/44 , C07D295/00 , C07D295/02 , C07D295/023 , C07D295/22 , C07D295/24 , D01F13/02
CPC分类号： C07D295/023 , B01D61/025 , C02F1/441 , D01F13/02 , Y02P70/627
摘要： For the removal of water from dilute aqueous solution of NMMO, N-methylmorpholine or morpholine or mixtures thereof, the solution is subjected to reverse osmosis at a pressure in excess of the osmotic pressure and probably around 40 bar and a temperature of 25.degree. C. to 75.degree. C. to form a retentate containing the amines and a permeate which is practically free from the amines. The permeate can be used as process water while the retentate can be worked up to NMMO for reuse in the cellulose solubilization process.
摘要翻译：为了从NMMO，N-甲基吗啉或吗啉或其混合物的稀水溶液中除去水，溶液在超过渗透压的压力下可能约为40巴，温度为25℃进行反渗透。至75℃以形成含有胺的渗余物和实际上不含胺的渗透物。渗透物可以用作工艺水，同时可以将渗余物加工至NMMO以在纤维素增溶过程中重新使用。

7. 发明授权

US5189152A Cellulose solution in water and NMMO 失效
标题翻译：水和NMMO中的纤维素溶液
公开(公告)号：US5189152A
公开(公告)日：1993-02-23
申请号：US730169
申请日：1991-07-16
申请人： Peter Hinterholzer , Stefan Zikeli , Heinrich Firgo , Bernd Wolschner , Dieter Eichinger , Johann Manner , Stephan Astegger , Karin Weinzierl
发明人： Peter Hinterholzer , Stefan Zikeli , Heinrich Firgo , Bernd Wolschner , Dieter Eichinger , Johann Manner , Stephan Astegger , Karin Weinzierl
IPC分类号： C08B16/00 , C08B1/00 , C08J3/03 , C08J3/09 , C08L1/00 , C08L1/02 , D01F2/00 , D01F2/02
CPC分类号： C08J3/096 , C08B1/003 , D01F2/00 , C08J2301/02
摘要： A solution of cellulose in water and N-methylmorpholine-N-oxide (NMMO) containing 2 to 44% by weight cellulose is stabilized at 0.01 to 1%, preferably 0.1% H.sub.2 O.sub.2 and 0.01 to 2%, preferably 0.1% of an H.sub.2 O.sub.2 stabilizer, preferably oxalic acid or a salt thereof during formation of the solution and during heating to prevent discoloration of the cellulose and reduce the composition of NMMO.
摘要翻译：纤维素水溶液和含有2-44％（重量）纤维素的N-甲基吗啉-N-氧化物（NMMO）稳定在0.01至1％，优选0.1％H 2 O 2和0.01至2％，优选0.1％的H 2 O 2稳定剂，优选草酸或其盐在形成溶液期间和加热期间防止纤维素变色并降低NMMO的组成。

8. 发明授权

US5601767A Process for the production of a cellulose moulded body 失效
标题翻译：纤维素成型体的制造方法
公开(公告)号：US5601767A
公开(公告)日：1997-02-11
申请号：US483565
申请日：1995-06-06
申请人： Heinrich Firgo , Dieter Eichinger , Markus Eibl
发明人： Heinrich Firgo , Dieter Eichinger , Markus Eibl
IPC分类号： D01F2/00 , B29C47/00 , C08J3/11 , D01F2/24
CPC分类号： D01F2/00
摘要： A process for the production of a cellulose moulded body, particularly cellulose fibres, characterized by the combination of the measures offeeding a cellulose-containing material into an aqueous solution of a tertiary amine-oxide in order to suspend said cellulose-containing material,removing water from the suspension while intensively mixing it and providing elevated temperature and reduced pressure, until a solution of cellulose is produced andmoulding said solution by means of a moulding device, particularly a spinneret, and introducing it into a precipitation bath in order to precipitate the dissolved cellulose,provided that as said cellulose-containing material, basically shredded waste paper, shredded cellulose-containing fibre assemblies and/or shredded, mechanically and/or chemically broken up annual plants are used.
摘要翻译：一种用于生产纤维素模制体，特别是纤维素纤维的方法，其特征在于将含纤维素材料进料到叔胺氧化物的水溶液中以将所述含纤维素材料悬浮的步骤的组合，水从悬浮液中强烈混合并提供升高的温度和降低的压力，直到产生纤维素溶液并通过模制装置，特别是喷丝头模制所述溶液，并将其引入沉淀浴中以沉淀使用溶解的纤维素，条件是使用所述含纤维素材料，基本上切碎的废纸，含有纤维素的纤维组件和/或切碎的机械和/或化学破碎的一年生植物。

9. 发明申请

US20100190891A1 POLYEFIN COMPOSITIONS WITH HIGHLY CRYSTALLINE CELLULOSE REGENRATE FIBERS 审中-公开
标题翻译：具有高度晶体纤维素再生纤维的聚氨酯组合物
公开(公告)号：US20100190891A1
公开(公告)日：2010-07-29
申请号：US12451361
申请日：2008-05-05
申请人： Dieter Eichinger , Heinrich Firgo , Wolfgang Gindl , Ulf Mathes , Friedrich Schomel , Markus Gahleither , Wolfgang Stockreither
发明人： Dieter Eichinger , Heinrich Firgo , Wolfgang Gindl , Ulf Mathes , Friedrich Schomel , Markus Gahleither , Wolfgang Stockreither
IPC分类号： C08L1/02
CPC分类号： C08L23/12 , C08L1/00 , C08L1/02 , C08L23/10 , C08L23/142 , C08L51/003 , C08L51/06 , C08L2205/08 , C08L2205/16 , C08L2666/24 , C08L2666/06 , C08L2666/26 , C08L2666/02 , C08L2666/04
摘要： The present invention relates to polyolefin compositions comprising man-made cellulose fibers of very high modulus to improve the mechanical performance of said compositions while retaining a low density. The present invention further relates to a melt mixing process with controlled shear intensity and energy input especially suitable for the production of said compositions.
摘要翻译：本发明涉及包含非常高模量的人造纤维素纤维的聚烯烃组合物，以改善所述组合物的机械性能同时保持低密度。本发明还涉及具有受控剪切强度和能量输入的熔体混合方法，特别适用于所述组合物的生产。

10. 发明申请

US20070248819A1 Cellulosic Fibre of the Lyocell Type 审中-公开
标题翻译： Lyocell型纤维素纤维
公开(公告)号：US20070248819A1
公开(公告)日：2007-10-25
申请号：US10560834
申请日：2004-12-15
申请人： Johann Manner , Heinrich Firgo , Christoph Schrempf , Dieter Eichinger , Franz Durnberger
发明人： Johann Manner , Heinrich Firgo , Christoph Schrempf , Dieter Eichinger , Franz Durnberger
IPC分类号： D02G3/02
CPC分类号： D01F2/00 , Y10T428/2927
摘要： The invention relates to a cellulosic fibre of the Lyocell type, which is characterized in that the ratio V of the strength of the fibre in the conditioned state FFk to the fibre elongation in the conditioned state Fdk amounts to 2.2 or less.
摘要翻译：本发明涉及Lyocell型的纤维素纤维，其特征在于，在调节状态FFk中的纤维强度与调理状态Fdk中的纤维伸长率的比值V为2.2以下。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式