Multifunctional additive for fuel oils
    61.
    发明授权
    Multifunctional additive for fuel oils 有权
    燃油多功能添加剂

    公开(公告)号:US07435271B2

    公开(公告)日:2008-10-14

    申请号:US10668005

    申请日:2003-09-22

    Abstract: The invention relates to additives for improving cold-flow and lubricating properties of fuel oils, comprising A) 5-95% by weight of at least one oil-soluble amphiphile of the formula  in which R1 is an alkyl, alkenyl, hydroxyalkyl or aromatic radical having 1 to 50 carbon atoms, X is NH, NR3, O or S, y is 1, 2, 3 or 4, R2 is hydrogen or an alkyl radical carrying hydroxyl groups and having 2 to 10 carbon atoms and R3 is an alkyl radical carrying nitrogen and/or hydroxyl groups and having 2 to 10 carbon atoms or C1-C20-alkyl, and B) 5 to 95% by weight of a terpolymer containing from 10 to 35 mol % of structural units derived from the vinyl ester of a carboxylic acid having 2 to 4 carbon atoms, from 1 to 15 mol % of structural units derived from the vinyl ester of a neocarboxylic acid having 8 to 15 carbon atoms, and structural units of ethylene to 100 mol %, having a melt viscosity, measured at 140° C., of from 20 to 10,000 mPas.

    Abstract translation: 本发明涉及用于改善燃料油的冷流和润滑性能的添加剂,其包括A)5-95重量%的至少一种下式的油溶性两亲物,其中R 1是 具有1至50个碳原子的烷基,烯基,羟基烷基或芳族基团,X是NH,NR 3,O或S,y是1,2,3或4,R 2, SUP>是氢或带有羟基并具有2至10个碳原子的烷基,R 3是带有氮和/或羟基并具有2至10个碳原子的烷基或C 1〜20个碳原子的烷基,B)5〜95重量%的含有10〜35摩尔%的羧酸乙烯基酯的结构单元的三元共聚物 具有2至4个碳原子,1至15摩尔%的衍生自具有8至15个碳原子的新羧酸的乙烯基酯的结构单元和乙烯的结构单元至100摩尔%,其熔体粘度在140 °C,为20〜10 00 mPas。

    Fuel oils composed of middle distillates and oils of vegetable or animal origin and having improved cold flow properties

    公开(公告)号:US20050126071A1

    公开(公告)日:2005-06-16

    申请号:US11009870

    申请日:2004-12-10

    Abstract: The invention provides a fuel oil composition F) comprising F1) 89-50% by volume of a fuel oil of mineral origin and F2) 11-50% by volume of a fuel oil of vegetable and/or animal origin, and, as a cold additive, the constituents A) at least one copolymer composed of ethylene and 8-21 mol % of at least one acrylic or vinyl ester having a C1-C18-alkyl radical and B) at least one comb polymer containing structural units composed of B1) at least one olefin as monomer 1 which bears at least one C8-C18-alkyl radical on the olefinic double bond, and B2) at least one ethylenically unsaturated dicarboxylic acid as monomer 2 which bears at least one C8-C16-alkyl radical bonded via an ester moiety, where the sum Q Q = ∑ i ⁢ w 1 ⁢ i · n 1 ⁢   ⁢ i + ∑ j ⁢ w 2 ⁢   ⁢ j · n 2 ⁢   ⁢ j of the molar averages of the carbon chain length distributions in the alkyl radicals of monomer 1 on the one hand and the alkyl radicals of the ester groups of monomer 2 on the other is from 21.0 to 28.0, where w1 is the molar proportion of the individual chain lengths in the alkyl radicals of monomer 1, w2 is the molar proportion of the individual chain lengths in the alkyl radicals of the ester groups of monomer 2, n1 are the individual chain lengths in the alkyl radicals of monomer 1, n2 are the individual chain lengths in the alkyl radicals of the ester groups of monomer 2, i is the serial variable for the individual chain lengths in the alkyl radicals of monomer 1, and j is the serial variable for the individual chain lengths in the alkyl radicals in the ester groups of monomer 2.

    Copolymers, and their use as additives for improving the cold-flow properties of middle distillates
    69.
    发明授权
    Copolymers, and their use as additives for improving the cold-flow properties of middle distillates 有权
    共聚物及其作为添加剂的用途,用于改善中间馏分的冷流特性

    公开(公告)号:US06458174B1

    公开(公告)日:2002-10-01

    申请号:US09487066

    申请日:2000-01-19

    Abstract: Copolymers containing A) from 45 to 54 mol % of divalent structural units of the formula 1 in which a and b=0 or 1 and a+b=1, B) from 35 to 53 mol % of divalent structural units of the formula 2 —H2C—CHR2—  (2) and C) from 1 to 25 mol % of divalent structural units derived from polyolefins, where the polyolefins can be derived from monoolefins having 3 to 5 carbon atoms, wherein a) R1 is an alkyl or alkenyl radical having 10 to 40 carbon atoms or an alkoxyalkyl radical having 1 to 100 alkoxy units and 1 to 30 carbon atoms in the alkyl radical, and b) R2 is an alkyl radical having 10 to 50 carbon atoms, c) the alkylvinylidene content of the polyolefins on which the structural units C) are based is at least 50 mol %, and d) the number of carbon atoms in the polyolefin molecules on which the structural units C) are based is from 35 to 350.

    Abstract translation: 包含A)45至54摩尔%的式1in的二价结构单元,其中a和b = 0或1和a + b = 1,B)35至53摩尔%的式2和C的二价结构单元)来自 1至25mol%衍生自聚烯烃的二价结构单元,其中聚烯烃可以衍生自具有3至5个碳原子的单烯烃,其中a)R 1是具有10至40个碳原子的烷基或烯基或具有1至 烷基中的100个烷氧基单元和1至30个碳原子,和b)R 2是具有10至50个碳原子的烷基,c)结构单元C)所基于的聚烯烃的烷基亚乙烯基含量为至少50摩尔 %,andd)结构单元C)所基于的聚烯烃分子中的碳原子数为35〜350。

    Process for improving the cold-flow properties of fuel oils
    70.
    发明授权
    Process for improving the cold-flow properties of fuel oils 失效
    改进燃油的冷流特性的方法

    公开(公告)号:US6090169A

    公开(公告)日:2000-07-18

    申请号:US235724

    申请日:1999-01-22

    CPC classification number: C10L1/195 C10L1/143 C10L1/1973

    Abstract: The invention relates to a process for improving the cold-flow properties of oils having a sulfur content of less than 500 ppm and a content of n-paraffins having a chain length of C.sub.18 or longer of at least 8% by weight, comprising adding an additive comprising a mixture of A) from 15 to 50% by weight of a copolymer comprising, besides from 87 to 92 mol % of structural units derived from ethylene;a) from 6.5 to 12 mol % of structural units derived from vinyl acetate andb) from 0.5 to 6 mol % of structural units derived from 4-methyl-1-pentene, with the proviso that the sum of the molar proportions of structural units a) and b) is from 8 to 14 mol %, and B) from 85 to 50% by weight of at least one further copolymer or terpolymer of ethylene and vinyl esters or acrylates which is per se a cold-flow improver.The invention furthermore relates to an additive for improving the cold-flow behavior of mineral oils and mineral-oil distillates, and to fuel oil compositions containing these additives.

    Abstract translation: 本发明涉及一种改善硫含量小于500ppm的油的冷流特性和链长为C18或更长的正链烷烃含量至少为8重量%的方法,包括加入 添加剂,其包含A)15至50重量%的共聚物的混合物,除了87至92摩尔%的衍生自乙烯的结构单元外, a)6.5-12mol%的衍生自乙酸乙烯酯的结构单元和b)0.5-6mol%的衍生自4-甲基-1-戊烯的结构单元,条件是结构单元的摩尔比例之和 a)和b)为8至14摩尔%,B)为85至50重量%的至少一种乙烯和乙烯酯或丙烯酸酯的另外的共聚物或三元共聚物,本身为冷流改进剂。 本发明还涉及一种用于改善矿物油和矿物油馏出物的冷流行为的添加剂以及含有这些添加剂的燃料油组合物。

Patent Agency Ranking