公开(公告)号：US4892588A

公开(公告)日：1990-01-09

申请号：US261155

申请日：1988-10-24

申请人： Peter Dilling ,  Vaughn R. Loeffler ,  Gerald Prazak ,  Karin U. Thomas

发明人： Peter Dilling ,  Vaughn R. Loeffler ,  Gerald Prazak ,  Karin U. Thomas

IPC分类号： C09B67/46

CPC分类号： C08H6/00 ,  C09B67/0086

摘要： A method of producing a lignin dispersant composition comprising the steps of methylolating a lignin compound by reaction of less than about 2 moles formuladehyde per 1,000 grams of the lignin, and sulfonating the methylolated lignin by reaction from about 2.5 to 3.5 moles of the sulfite or bisulfite compound per 1,000 grams of lignin at an initial reaction pH of below about 6.6 and at a temperature of at least about 170.degree. C., while allowing the pH of the reaction mixture to rise to a final pH of greater than 7.5 to sequentially sulfomethylate the aromatic nucleus and sulfonate the side chain of the lignin.The products of the method find particular use as dispersants in dye compositions and carbon black compositions with lower viscosity and extended shelf-life storage of the composition.

公开(公告)号：US4355996A

公开(公告)日：1982-10-26

申请号：US240279

申请日：1981-03-04

申请人： Peter Dilling ,  Gerald Prazak

发明人： Peter Dilling ,  Gerald Prazak

IPC分类号： C09B67/46 ,  C09B9/00 ,  C09B67/10 ,  C09B67/30 ,  C09B67/40

CPC分类号： C09B67/0086

摘要： Improved sulfonated lignin surfactants are provided for use as dispersants in dyestuffs. The process for providing the improved surfactants relates to using metals and borate salts to react with the azo dye reducing dihydroxy functions of the lignin molecule through chelation and ester formation mechanisms thereby inhibiting the lignin's azo dye reducing characteristics.

摘要翻译： 提供改进的磺化木质素表面活性剂用作染料中的分散剂。 提供改进的表面活性剂的方法涉及使用金属和硼酸盐通过螯合和酯形成机理与木质素分子的偶氮染料还原二羟基官能团反应，从而抑制木质素的偶氮染料还原特性。

公开(公告)号：US4892587A

公开(公告)日：1990-01-09

申请号：US261156

申请日：1988-10-24

申请人： Peter Dilling ,  Gerald Prazak ,  Catherine C. Cashman

发明人： Peter Dilling ,  Gerald Prazak ,  Catherine C. Cashman

IPC分类号： C08K3/04 ,  C09D17/00

CPC分类号： C08H6/00 ,  C08K3/04 ,  C09D17/005

摘要： A carbon black composition comprising carbon black and a lignin dispersant prepared by the steps of methylolating a lignin compound by reaction of less than about 2 moles formaldehyde per 1,000 grams of the lignin, and sulfonating the methylolated lignin by reaction from about 2.5 to 3.5 moles of the sulfite or bisulfite compound per 1,000 grams of lignin at an initial reaction pH of below about 6.6 and at a temperature of at least about 170.degree. C., while allowing the pH of the reaction mixture to rise to a final pH of greater than 7.5 to sequentially sulfomethylate the aromatic nucleus and sulfonate the side chain of the lignin.

摘要翻译： 一种炭黑组合物，其包含炭黑和木质素分散剂，其通过以下步骤制备：通过使小于约2摩尔甲醛/ 1,000克木质素的反应羟基化木素化合物，并通过约2.5至3.5摩尔的 亚硫酸盐或亚硫酸氢盐化合物在初始反应pH低于约6.6并且在至少约170℃的温度下，每1000克木质素，同时允许反应混合物的pH升高至大于7.5的最终pH 将芳香核和磺酸酯顺序磺甲基化为木质素的侧链。

公开(公告)号：US4025303A

公开(公告)日：1977-05-24

申请号：US276424

申请日：1972-07-31

申请人： Gerald Prazak

发明人： Gerald Prazak

IPC分类号： C09B67/42 ,  D06P1/50 ,  D06P1/673 ,  D06P3/60 ,  D06P1/30

CPC分类号： C09B67/0071 ,  D06P1/50 ,  D06P1/6735 ,  D06P3/60 ,  Y10S8/918

摘要： Dyestuff composition for use in dyeing cotton fibers comprising a mixture of dye cakes of various colors, primarily direct or vat dyes, and sulfonated lignin dye dispersants having retarding properties. The dye dispersants of this invention are the reaction product of a sulfonated lignin and from 0.1 to 9.0% by weight of the total dispersant of a water-soluble magnesium salt, preferably 1.0 to 2.0% by weight. These dye dispersants are excellent dye retarders by eliminating uneven dyeing, and reduce foaming problems associated with dispersed vat dyes. These dye dispersants having retarding properties are used when a plurality of dye cakes are used in one dyeing operation to produce the much desired levelling effect on the process of vat dyeing.

摘要翻译： 用于染色棉纤维的染料组合物，其包含各种颜色的染料蛋糕，主要是直接染料或还原染料的混合物，以及具有延迟性质的磺化木质素染料分散剂。 本发明的染料分散剂是磺化木质素的反应产物和0.1至9.0重量％的总分散剂水溶性镁盐，优选1.0-2.0重量％。 这些染料分散剂是通过消除不均匀染色的优异的染料缓凝剂，并减少与分散的还原染料相关的发泡问题。 当在一次染色操作中使用多个染料蛋糕时，使用具有延迟性能的这些染料分散剂，以产生对于瓮染色过程所需的大量期望的调平作用。

公开(公告)号：US4001202A

公开(公告)日：1977-01-04

申请号：US623441

申请日：1975-10-17

申请人： Peter Dilling ,  Gerald Prazak

发明人： Peter Dilling ,  Gerald Prazak

IPC分类号： C09B67/42 ,  C09B67/46 ,  C07G1/00

CPC分类号： C08H6/00 ,  C09B67/0071 ,  C09B67/0086

摘要： Disclosed herein is an improved process for producing sulfonated lignin surfactants for use as dispersants for disperse dyes and vat dyes. The improved process is to react a sulfonated lignin and epihalohydrin under certain conditions to block a portion of the free-phenolic hydroxyl group and at the same time cross-link the lignin molecules to increase the molecular weight. Another aspect of the process of this invention is to oxidize the thus treated lignin to stabilize its properties. Dispersants made according to this process have improved fiber staining and heat stability properties over other lignin-based dispersants.

摘要翻译： 本文公开了用于生产磺化木质素表面活性剂的改进方法，其用作分散染料和还原染料的分散剂。 改进的方法是在某些条件下使磺化的木质素和表卤醇反应以阻断部分游离酚羟基，同时交联木质素分子以增加分子量。 本发明方法的另一方面是氧化如此处理的木质素以稳定其性质。 根据该方法制备的分散剂相对于其它基于木质素的分散剂改善了纤维染色和热稳定性。