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    • 4. 发明授权
    • Cationic surfactants based on quaternary ammonium compounds and methods
of using same
    • 基于季铵化合物的阳离子表面活性剂及其使用方法
    • US4678605A
    • 1987-07-07
    • US820281
    • 1986-01-17
    • Juergen GekeHorst Rutzen
    • Juergen GekeHorst Rutzen
    • B01F17/38B01F17/18C11D1/62
    • C11D1/62
    • The invention relates to new cationic surfactants based on quaternary ammonium compounds corresponding to the general formulaR.sup.1 -CHOH-CHR.sup.2 -N.sup.+ R.sup.3 R.sup.4 R.sup.5 R.sup.6 CO.sub.2.sup.- (1)whereinR.sup.1 is a linear or branched alkyl residue having from 1 to 22 carbon atoms;R.sup.2 is hydrogen or a linear or branched alkyl residue having from 1 to 21 carbon atoms, the total number of carbon atoms of the substituents R.sup.1 and R.sup.2 being in the range of from 8 to 22;R.sup.3 and R.sup.4 each represent methyl, ethyl, 2-hydroxyethyl or 2-hydroxypropyl;R.sup.5 represents an alkyl residue having from 4 to 6 carbon atoms or a phenalkyl residue having from 1 to 3 carbon atoms in the alkyl residue; andR.sup.6 represents a linear or branched alkyl residue having from 4 to 15 carbon atoms.The cationic surfactants have particular utility in cleaning agents.
    • 本发明涉及基于对应于通式R1-CHOH-CHR2-N + R3R4R5R6CO2-(1)的季铵化合物的新型阳离子表面活性剂,其中R1是具有1至22个碳原子的直链或支链烷基; R2是氢或具有1至21个碳原子的直链或支链烷基,取代基R 1和R 2的碳原子总数在8至22的范围内; R3和R4各自表示甲基,乙基,2-羟乙基或2-羟丙基; R5代表具有4至6个碳原子的烷基残基或在烷基残基中具有1至3个碳原子的苯烷基残基; 并且R 6表示具有4至15个碳原子的直链或支链烷基。 阳离子表面活性剂在清洁剂中具有特别的用途。
    • 7. 发明授权
    • Method of oil recovery by flooding employing betaine solutions
    • 采用甜菜碱溶液淹油回收方法
    • US4090969A
    • 1978-05-23
    • US758039
    • 1977-01-10
    • Karlheinz KochHorst Rutzen
    • Karlheinz KochHorst Rutzen
    • C09K3/00C09K8/584E21B43/22
    • C09K8/584Y10S507/936
    • A method of extracting mineral oil from subterranean formation by flooding comprising the steps of forcing an aqueous liquid into a subterranean formation containing mineral oil and displacing the mineral oil through at least one bore hole in the subterranean formation, said aqueous liquid containing from 0.01% to 15% by weight of an amphoteric surface-active compound selected from the group consisting of (1) a betaine having the formula ##STR1## wherein R.sub.1 and R.sub.2 are members selected from the group consisting of hydrogen and alkyl having from 1 to 18 carbon atoms, with the proviso that the sum of the carbon atoms in R.sub.1 + R.sub.2 is from 9 to 18, R.sub.3 and R.sub.4 are members selected from the group consisting of lower alkyl and lower alkylol, x is an integer from 2 to 4, y is an integer from 0 to 1 and z is an integer from 1 to 4, and (2) mixtures of said betaine with up to 20% by weight of an acid having the formula ##STR2## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, x and z have the above-assigned values.
    • 一种通过淹水从地层中提取矿物油的方法,包括以下步骤:将含水液体强制进入含有矿物油的地层,并使矿物油通过地层中的至少一个钻孔排出,所述含水液体含有0.01%至 15重量%的选自以下的两性表面活性化合物:(1)具有式“IMAGE”的甜菜碱,其中R 1和R 2是选自氢和具有1至18个碳原子的烷基的成员 ,条件是R1 + R2中的碳原子总数为9至18,R3和R4为选自低级烷基和低级羟烷基的成员,x为2至4的整数,y为 0至1的整数,z为1至4的整数,和(2)所述甜菜碱与至多20重量%的具有下式的酸的混合物:其中R1,R2,R3,R4,x和 z具有上述赋值。