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    • 82. 发明申请
    • Reversibly Switchable Surfactants and Methods of Use Thereof
    • 可逆切换表面活性剂及其使用方法
    • US20130087072A1
    • 2013-04-11
    • US13616900
    • 2012-09-14
    • Philip G. Jessop
    • Philip G. Jessop
    • C08K5/29
    • C08K5/29B01D17/047B01D21/01B01F17/0042B03D1/01C07B63/02C07C257/14C08F2/24Y02W10/37
    • Reversible switchable surfactants are provided. A surfactant is the salt of an amidine or guanidine having at least one R group that is a hydrophobic moiety selected from the group consisting of higher aliphatic moiety, higher siloxyl moiety, higher aliphatic/siloxyl moiety, aliphatic/aryl moiety, siloxyl/aryl moiety, and aliphatic/siloxyl/aryl moiety. The other R groups are smaller moieties such as H, C1 to C4 aliphatic or the like. The surfactant is turned on by a gas that liberates hydrogen ions, such as, for example, carbon dioxide, which liberates hydrogen ions in the presence of water. The surfactant is turned off by exposure to a flushing gas and/or heating. When “on” the surfactants are useful to stabilize emulsions, and when “off” they are useful to separate immiscible liquids or a liquid and a solid. The surfactants find uses in polymerization and in the oil industry.
    • 提供可逆切换表面活性剂。 表面活性剂是具有至少一个R基团的脒或胍的盐,所述R基团是选自高级脂族部分,高级甲硅烷氧基部分,高级脂族/甲硅烷氧基部分,脂族/芳基部分,硅氧烷/芳基部分 ,和脂族/硅氧基/芳基部分。 其它R基团是较小的部分,例如H,C 1至C 4脂族基等。 表面活性剂通过释放氢离子的气体导通,例如二氧化碳,二氧化碳在水存在下释放出氢离子。 通过暴露于冲洗气体和/或加热来关闭表面活性剂。 当表面活性剂可用于稳定乳液时,并且当它们脱离时它们可用于分离不混溶的液体或液体和固体。 表面活性剂用于聚合和石油工业。
    • 89. 发明授权
    • Reversibly switchable surfactants and methods of use thereof
    • 可逆切换的表面活性剂及其使用方法
    • US08283385B2
    • 2012-10-09
    • US11599623
    • 2006-11-15
    • Philip G. Jessop
    • Philip G. Jessop
    • B01F17/16B01F17/04B01F17/22B01F3/08C07B63/02B01D17/04B01D17/05C07C257/10C07C279/02C07D233/06C07D239/06C07F7/10C08F2/22C08F2/32
    • C08K5/29B01D17/047B01D21/01B01F17/0042B03D1/01C07B63/02C07C257/14C08F2/24Y02W10/37
    • Reversible switchable surfactants are provided. A surfactant is the salt of an amidine or guanidine: having at least one R group that is a hydrophobic moiety selected from the group consisting of higher aliphatic moiety, higher siloxyl moiety, higher aliphatic/siloxyl moiety, aliphatic/aryl moiety, siloxyl/aryl moiety, and aliphatic/siloxyl/aryl moiety. The other R groups are smaller moieties such as H, C1 to C4 aliphatic or the like. The surfactant is turned on by a gas that liberates hydrogen ions, such as, for example, carbon dioxide, which liberates hydrogen ions in the presence of water. The surfactant is turned off by exposure to a flushing gas and/or heating. When “on” the surfactants are useful to stabilize emulsions, and when “off” they are useful to separate immiscible liquids or a liquid and a solid. The surfactants find uses in polymerization and in the oil industry.
    • 提供可逆切换表面活性剂。 表面活性剂是脒或胍的盐:具有至少一个R基团,其是疏水部分,其选自高级脂族部分,高级甲硅烷氧基部分,高级脂族/硅氧烷基部分,脂族/芳基部分,硅氧烷/芳基 部分和脂肪族/酪醇酰/芳基部分。 其它R基团是较小的部分,例如H,C 1至C 4脂族基等。 表面活性剂通过释放氢离子的气体导通,例如二氧化碳,二氧化碳在水存在下释放出氢离子。 通过暴露于冲洗气体和/或加热来关闭表面活性剂。 当表面活性剂可用于稳定乳液时,并且当它们脱离时它们可用于分离不混溶的液体或液体和固体。 表面活性剂用于聚合和石油工业。
    • 90. 发明申请
    • USE OF OLIGOMERIC CARBODIIMIDES AS STABILIZERS
    • 作为稳定剂使用低聚碳酸酯
    • US20120238676A1
    • 2012-09-20
    • US13421363
    • 2012-03-15
    • THEO SMITLAURENCE POTTIESIMONE SCHILLOVOLKER FRENZROELOF VAN DER MEER
    • THEO SMITLAURENCE POTTIESIMONE SCHILLOVOLKER FRENZROELOF VAN DER MEER
    • C08K5/3412C07D413/12C08K5/3415C08K5/353C08K5/29C07D403/12C07C267/00
    • C07D403/12C07D413/12C08K5/29C08K5/3412
    • Oligomeric carbodiimides comprising at least one heterocyclic end group are used as stabilizers for polymers. The oligomeric carbodiimides may be compounds of the general formula (I), where A1, A2 are each independently, identically or differently, hydrocarbon groups having 2 to 20 carbon atoms, B1, B2 are each independently, identically or differently, heterocycles, C1-C30-alcohols, polyetherols, polyesterols, amines, polyether amines, polyester amines, thioalcohols, polyether thiols, polyester thiols, R1, R2 are each independently, identically or differently, n is an integer from 2 to 100, and wherein A1, A2, B1 and B2 may each be substituted at any desired position by C1-C20-alkyl, C2-C20-alkenyl, C2-C20-alkynyl, C1-C20-alkoxy, carbonyl oxygen (═O) or halogen, with the proviso that at least one B1 or B2 substituent is a heterocyclic end group. Processes for stabilizing polymers against hydrolysis using oligomeric carbodiimides are also disclosed.
    • 包含至少一个杂环端基的低聚碳二亚胺用作聚合物的稳定剂。 低聚碳二亚胺可以是通式(I)的化合物,其中A1,A2各自独立地,相同地或不同地是具有2-20个碳原子的烃基,B1,B2各自独立地,相同地或不同地是杂环,C1- C30醇,聚醚,聚酯,胺,聚醚胺,聚酯胺,硫醇,聚醚硫醇,聚酯硫醇,R 1,R 2各自独立地相同或不同,n为2〜100的整数,其中,A1,A2, C 1 -C 20烷基,C 2 -C 20 - 烯基,C 2 -C 20炔基,C 1 -C 20 - 烷氧基,羰基氧(= O)或卤素可以在任何所需位置上被B1和B2取代,条件是在 至少一个B1或B2取代基是杂环端基。 还公开了使用低聚碳二亚胺稳定聚合物抗水解的方法。