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    • 17. 发明授权
    • Method for producing aqueous styrene-butadiene polymer dispersions III
    • 制备苯乙烯 - 丁二烯聚合物水分散体的方法III
    • US07282545B2
    • 2007-10-16
    • US10491283
    • 2002-09-30
    • Wolfgang GaschlerVolker SchaedlerLambertus MandersThomas WirthHubertus Kroener
    • Wolfgang GaschlerVolker SchaedlerLambertus MandersThomas WirthHubertus Kroener
    • C08F2/22C08F2/24C08F2/38
    • C08F212/08C08F236/10C08F2/22
    • A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from 0 to 40% by weight, based on 100% by weight of monomers, of ethylenically unsaturated comonomers M3 other than styrene and butadiene by a monomer feed technique in the presence of from 0.05 to 0.5% by weight, based on 100% by weight of monomers, of at least one hydrocarbon HC having 6 to 20 carbon atoms, which is selected from compounds which on abstraction of a hydrogen atom form a pentadienyl radical or a 1-phenylallyl radical and from α-methylstyrene dimer comprises including at least 30% of the hydrocarbon HC in the initial charge to the polymerization vessel and supplying the remainder of the hydrocarbon HC to the polymerization reaction in the course of that reaction.
    • 一种通过自由基水性乳液聚合制备含40至80重量%苯乙烯作为单体M1的单体混合物M,20至60重量%的作为单体M2的丁二烯的丁二烯聚合物水分散体的方法, 和0至40重量%,基于100重量%的单体,除了苯乙烯和丁二烯之外的烯键式不饱和共聚单体M3,通过单体进料技术,在0.05至0.5重量%的存在下,基于100重量% 至少一种具有6至20个碳原子的烃HC的重量,其选自从氢原子形成戊二烯基或1-苯基烯丙基和由α-甲基苯乙烯二聚体构成的化合物包括至少30 在初始加入到聚合容器中的烃HC的%,并且在该反应过程中将剩余的烃HC供应到聚合反应中。
    • 18. 发明授权
    • Method for producing aqueous styrene-butadiene polymer dispersions II
    • 制备苯乙烯 - 丁二烯聚合物水分散体的方法II
    • US07196146B2
    • 2007-03-27
    • US10491336
    • 2002-09-30
    • Lambertus MandersThomas WirthWolfgang GaschlerHubertus Kroener
    • Lambertus MandersThomas WirthWolfgang GaschlerHubertus Kroener
    • C08F2/22C08F236/10
    • C08F236/10C08F2/22
    • A process for preparing an aqueous styrene-butadiene polymer dispersion by free-radical aqueous emulsion polymerization of a monomer mixture M containing from 40 to 80% by weight of styrene as monomer M1, from 20 to 60% by weight of butadiene as monomer M2, and from 0 to 40% by weight, based on 100% by weight of monomers, of ethylenically unsaturated comonomers M3 other than styrene and butadiene by a monomer feed technique in the presence of from 0.05 to 0.5% by weight, based on 100% by weight of monomers, of at least one hydrocarbon HC having 6 to 20 carbon atoms selected from compounds which on abstraction of a hydrogen atom form a pentadienyl radical or a 1-phenylallyl radical and α-methylstyrene dimer comprises raising, at a point in time when at least 70% of the monomers to be polymerized have been supplied to the polymerization reaction, the concentration of butadiene in the monomer feed for a period of at least 1% of the total feed time by at least 10% by weight, based on monomers in the feed.
    • 一种通过自由基水性乳液聚合制备含40至80重量%苯乙烯作为单体M1的单体混合物M,20至60重量%的作为单体M2的丁二烯的丁二烯聚合物水分散体的方法, 和0至40重量%,基于100重量%的单体,除了苯乙烯和丁二烯之外的烯键式不饱和共聚单体M3,通过单体进料技术,在0.05至0.5重量%的存在下,基于100重量% 至少一种选自氢原子取代氢原子形成戊二烯基或1-苯基烯丙基和α-甲基苯乙烯二聚体的化合物的至少一种具有6至20个碳原子的烃HC的单体重量包括在 至少70%的待聚合的单体已经被供应到聚合反应中,单体进料中丁二烯的浓度至少为总进料时间的1%,至少为10重量%,基于m 饲料中的异构体。
    • 20. 发明授权
    • Oil-in-water emulsions
    • US09650745B2
    • 2017-05-16
    • US14116577
    • 2012-05-09
    • Claudius KormannWolfgang GaschlerChristian Holtze
    • Claudius KormannWolfgang GaschlerChristian Holtze
    • B01D19/04D21H21/12D21C3/28
    • D21H21/12B01D19/0404D21C3/28
    • The invention relates to oil-in-water emulsions based on fatty alcohols and mono- or diesters of glycerol and the use thereof as antifoams or deaerators for aqueous compositions. The oil phase of the emulsions according to the invention consists to at least 95% by weight of the following constituents: a) 40 to 95% by weight, based on the total weight of the oil phase, of a mixture of at least two alcohols as component A, consisting of: a1) at least one alkanol having 12 to 30 carbon atoms as component A1, a2) at least one mono- or diester of glycerol with at least one fatty acid having 14 to 24 carbon atoms as component A2; b) 0.1 to 10% by weight, based on the total weight of the oil phase, of at least one further component B, which is selected from esters of C12-C36-alkanecarboxylic acids with polyglycerol, amides of C12-C36-alkanecarboxylic acids with alkylenediamines or oligoalkyleneamines, and esters of C12-C36-alkanecarboxylic acids with C12-C36-alkanols, and mixtures thereof, c) 4.9 to 50% by weight, based on the total weight of the oil phase, of at least one further component C, which is selected from organic substances which are liquid at 50° C. and 1013 mbar, at atmospheric pressure have a boiling point above 200° C., and at 25° C. and 1013 mbar have a solubility in water of less than 0.1 g/l.