-
公开(公告)号：EP0827528B1
公开(公告)日：1999-06-16
申请号：EP96913540.9
申请日：1996-05-03
发明人： AITTA, Eero , VARILA, Elias
摘要： The invention relates to a method for improving the separation of water in a tall oil preparation process which comprises: a neutralization step, in which a mixture of tall oil soap and water is neutralized with carbon dioxide; a water separation step, in which the aqeuous phase containing bicarbonate is separated from the tall oil soap; and a cooking step, in which the tall oil soap obtained from the previous step is cooked with sulfuric acid in order to form tall oil, the improvement comprising the fact that, after the neutralization with carbon dioxide but before the water separation step, the pH is adjusted with an acidically reacting substance, such as bisulfite. The invention also relates to a method for the preparation of tall oil, the method comprising the steps stated above.
-
公开(公告)号：EP0861305A4
公开(公告)日：1999-04-14
申请号：EP96915729
申请日：1996-04-19
申请人： ARIZONA CHEM
IPC分类号： C08J3/20 , C08G8/34 , C08G85/00 , C08J3/24 , C09D11/02 , C09D11/10 , C09D161/14 , C09F1/04 , C09F1/00
CPC分类号： C09F1/04 , C09D11/02 , C09D11/10 , Y10S101/43
摘要： The specification discloses a process for making high viscosity gelled ink resins which exhibit improved properties. In a preferred embodiment, a precursor resin is conducted through an extruder with a cross-linking agent, preferably a heat reactive phenolic resin, to induce formation of covalent cross-link bonds in the resin producing a high viscosity resin which resists viscosity breakdown under high shear conditions. The resulting gelled ink resins may be used directly in making ink, obviating the need for further gelation and avoiding the use of conventional organo-metallic gelling agents.
-
公开(公告)号：EP0748366B1
公开(公告)日：1999-01-27
申请号：EP95909804.7
申请日：1995-02-28
发明人： VARILA, Elias , ROUVINEN, Tellervo
CPC分类号： C11B13/02 , C11B1/04 , C11B13/005 , Y02W30/74
摘要： The invention relates to a method for improving the separation of water in a tall oil preparation process which comprises: a neutralization stage in which a mixture of soap and water is neutralized with carbon dioxide, a water separation stage in which the aqueous phase containing bicarbonate is separated from the soap, and a cooking stage in which the soap obtained from the preceding stage is cooked with sulfuric acid to form tall oil, the improvement comprising the procedure that, after the neutralization with carbon dioxide but before the water separation stage, a second neutralization with sulfuric acid is carried out. The invention also relates to a process comprising the stages presented above for the preparation of tall oil.
-
公开(公告)号：EP0572680B1
公开(公告)日：1997-05-28
申请号：EP93900394.3
申请日：1992-12-17
发明人： MAEDA, Masao, Research & Development Laboratory , YAMADA, Yukiharu, Res. & Development Laboratory , KOBA, Yutaka, Research & Development Laboratory
IPC分类号： C09F1/04
CPC分类号： C09F1/04
摘要： A process for producing rosin ester which comprises esterifying pure disproportionated rosin with an alcohol and dehydrogenating the formed ester in the presence of a dehydrogenation catalyst; another process for producing rosin ester which comprises heating purified rosin and an alcohol in the presence of a disproportionation catalyst to effect disproportionation and esterification at the same time, dehydrogenating the reaction product in the presence of a dehydrogenation catalyst, and adding an organophosphorus compund to the reaction system; a process for producing colorless rosin which comprises subjecting purified rosin to disproportionation and dehydrogenation at the same time in the presence of a catalyst and adding an organophosphorus compound to the reaction system; and another process for producing colorless rosin which comprises dehydrogenating pure disproportionated rosin in the presence of a dehydrogenation catalyst. The invention provides rosin ester and colorless rosin remarkably improved in the characteristics such as color tone, odor and stability as compared with the conventional products.
-
公开(公告)号：EP0704507A3
公开(公告)日：1996-04-24
申请号：EP95115050.7
申请日：1995-09-25
发明人： Mayer, Gunter, Dr.
IPC分类号： C09F1/00
摘要： Verfahren zur kontinuierlichen Herstellung von Kolophoniumharzen, bei dem die Reaktionsmischung in einer kontinuierlich betriebenen Reaktionskesselkaskade mit mindestens zwei Kesseln umgesetzt wird.
摘要翻译： 一种用于连续制备松香的，其中将反应混合物在连续操作的反应容器级联包括至少两个锅炉反应过程。
-
公开(公告)号：EP0666888A1
公开(公告)日：1995-08-16
申请号：EP93923520.0
申请日：1993-10-21
发明人： GORZINSKI, Manfred , EICKEN, Ulrich , PLOOG, Uwe
CPC分类号： C09F9/00
摘要： The invention lies in the field of oxidatively drying paints and concerns driers for such paints. The driers are ionogenic in nature, with bi- and/or trivalent metal and/or metal-oxide cations and anionic organic-acid groups containing alkylene oxide units with at least one (CH2CH2O) group.
-
47.发明授权
公开(公告)号：EP0401645B1
公开(公告)日：1995-07-26
申请号：EP90110169.1
申请日：1990-05-29
CPC分类号： D21H17/62 , C09F1/04 , Y10T428/31844
-
公开(公告)号：EP0520541A3
公开(公告)日：1994-08-24
申请号：EP92201700.9
申请日：1992-06-11
申请人： EKA NOBEL AB
发明人： Hazen, John C.J.M.
CPC分类号： D21H17/62 , C08L2666/26 , C09F1/04 , C09J201/00
摘要： A process for the production of a stabilized rosin and a stabilized rosin obtainable by the process. According to the process rosin is heated in the presence of a phosphoric acid or a strong acid in combination with a phosphate containing substance and disproportionated by addition of iodine. Preferably the rosin is first heated in the presence of the phosphoric acid or the strong acid in combination with the phosphate containing substance and thereafter disproportionated by the addition of iodine. Iodine is preferably added in at least two steps and the disproportionation is allowed to proceed between each step. The stabilized rosin can be used as a tackifier resin in adhesives and as a sizing agent for paper, paper boards and similar products.
-
公开(公告)号：EP0537359A4
公开(公告)日：1994-03-17
申请号：EP92907178
申请日：1992-03-26
申请人： ARAKAWA CHEM IND
摘要： A rosin emulsion size for papermaking prepared by dispersing a reaction product in water in the presence of a polymeric dispersant, said reaction product being obtained by reacting a rosin (a) with a polyhydric alcohol (b) and an α, β-unsaturated carboxylic acid derivative (c) sequentially or simultaneously at such a feed ratio that the ratio of the hydroxyl equivalent of component (b) to the carboxyl equivalent of component (a) ranges from 0.1 to 1.5; and a process for sizing paper by using the size in a pH range of 4 to 8.
-
公开(公告)号：EP0572680A1
公开(公告)日：1993-12-08
申请号：EP93900394.3
申请日：1992-12-17
发明人： MAEDA, Masao, Research & Developement Laboratory , YAMADA, Yukiharu, Res. & Development Laboratory , KOBA, Yutaka, Research & Developement Laboratory
IPC分类号： C09F1/04
CPC分类号： C09F1/04
摘要： A process for producing rosin ester which comprises esterifying pure disproportionated rosin with an alcohol and dehydrogenating the formed ester in the presence of a dehydrogenation catalyst; another process for producing rosin ester which comprises heating purified rosin and an alcohol in the presence of a disproportionation catalyst to effect disproportionation and esterification at the same time, dehydrogenating the reaction product in the presence of a dehydrogenation catalyst, and adding an organophosphorus compund to the reaction system; a process for producing colorless rosin which comprises subjecting purified rosin to disproportionation and dehydrogenation at the same time in the presence of a catalyst and adding an organophosphorus compound to the reaction system; and another process for producing colorless rosin which comprises dehydrogenating pure disproportionated rosin in the presence of a dehydrogenation catalyst. The invention provides rosin ester and colorless rosin remarkably improved in the characteristics such as color tone, odor and stability as compared with the conventional products.
摘要翻译： 一种用于生产松香酯，其包括对酒精的酯化纯歧化松香与和脱氢在脱氢催化剂的存在下所形成的酯的方法; 的制造的松香酯，其包括加热纯化松香和醇在歧化催化剂的存在下在Sametime以实现歧化和酯化，在脱氢催化剂的存在脱氢反应产物，并加入有机磷复方到另一个进程 反应系统; 的制造无色松香，它包括在催化剂的存在下同时进行精制松香歧化和脱氢并加入到有机磷化合物向反应体系中的方法; 和用于生产无色松香该方法包括在脱氢催化剂的存在下脱氢纯歧化松香的另一过程。 本发明提供的松香酯和松香无色在特性显着改善：如色调，气味和稳定性，与以往产品相比。
-
-
-
-
-
-
-
-
-
搜索结果
443 条记录 (耗时 0.026 秒)
