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公开(公告)号：EP3331854B1
公开(公告)日：2020-01-29
申请号：EP16748436.9
申请日：2016-07-28
申请人： Stepan Company
IPC分类号： C07C303/06 , C07C303/22 , C07C309/20 , C07G99/00
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公开(公告)号：EP4431532A2
公开(公告)日：2024-09-18
申请号：EP24192851.4
申请日：2020-03-05
申请人： Stepan Company
发明人： BOEBEL, Timothy A. , FARRIS, Samantha Michelle , LUEBKE, Gary , ROJAS, Carolina E. , SPAULDING, Chris , TERRY, Michael R. , WOLFE, Patrick Shane , ZAUG, Julia
IPC分类号： C08F2/26
CPC分类号： C07C41/03 , C07C67/08 , C07D295/088 , C08F2/26 , C07F9/091 , C07C319/18
摘要： Processes for making reactive surfactants are disclosed. In one such process, an alkyl- or alkenylsuccinic anhydride is reacted with an olefin-functional nucleophile to produce an olefin-functional succinate monoester. Surfactant compositions comprising the reactive surfactants made by these processes are also described. The invention includes polymerizable mixtures comprising an acrylic monomer and the surfactant compositions as well as aqueous acrylic latex emulsions and coatings produced from the emulsions. The reactive surfactants deliver stable latex emulsions with reduced tendency for surfactant migration or excessive foaming. Coatings from the emulsions have improved wet adhesion, scrub resistance, and water resistance.
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公开(公告)号：EP3331963A1
公开(公告)日：2018-06-13
申请号：EP16748437.7
申请日：2016-07-28
申请人： Stepan Company
CPC分类号： C09K8/592 , C07C303/20 , C07C303/22 , C07C309/04 , C07C309/05 , C07C309/10 , C07C309/19 , C07C309/24 , C07C2601/14 , C09K8/584 , C11D1/143 , C11D1/22 , E21B37/06 , E21B41/02 , E21B43/2408
摘要： Mixed dimer and mixed oligomer compositions are disclosed. The mixed dimer compositions comprise a monosulfonated cross-dimer or a salt thereof. The monosulfonated cross-dimer is a reaction product of (a) an alpha-olefin sulfonic acid (AOS acid); and (b) an unsulfonated olefin, an unsulfonated olefin precursor, or a functionalized olefin. The mixed oligomer compositions comprise a mono- or polysulfonated cross-oligomer or a salt thereof. The mono- or polysulfonated cross-oligomer is a reaction product of (a) an AOS acid; and (b) an unsulfonated diolefin or an unsulfonated diolefin precursor. Various methods for making the mixed dimer or oligomer compositions are described. Salts of the mixed dimer and oligomer compositions are useful surfactants for foams used in oilfield and other applications. The foams have improved high-temperature stability when compared with foams from AOS dimer acid salts.
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公开(公告)号：EP3331854A1
公开(公告)日：2018-06-13
申请号：EP16748436.9
申请日：2016-07-28
申请人： Stepan Company
IPC分类号： C07C303/06 , C07C309/20 , C07G99/00
CPC分类号： C07C303/06 , C07C303/22 , C07C309/05 , C07C309/62 , C07G17/004 , C09K8/02 , C09K8/94 , C07C309/20 , C07C309/04
摘要： Methods of making an alpha-olefin sulfonic dimer acid (AOS dimer acid) are disclosed. In one method, an alpha-olefin is sulfonated, preferably with sulfur trioxide, to produce a mixture comprising an alpha-olefin sulfonic acid (AOS acid) and sulfur dioxide. This mixture is then heated while purging sulfur dioxide and hydrogen sulfide from the reactor to produce an AOS dimer acid composition. In another method, the AOS acid mixture is treated to remove sulfur dioxide and is then heated to produce an AOS dimer acid composition. With either method, the resulting AOS dimer acid composition has at least a 30% decrease in the level of elemental sulfur when compared with that of an AOS dimer acid composition prepared by a similar process in the absence of any active removal of sulfur dioxide or hydrogen sulfide. AOS dimer acid compositions and salts of the AOS dimer acids, which are useful surfactants for oilfield and other applications, are also disclosed.
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