Fuel oils having improved cold flow properties
    2.
    发明授权
    Fuel oils having improved cold flow properties 有权
    燃油具有改善的冷流特性

    公开(公告)号:US07713316B2

    公开(公告)日:2010-05-11

    申请号:US10735490

    申请日:2003-12-12

    IPC分类号: C10L1/18 C10L1/22

    摘要: The invention relates to fuel oils comprising a larger proportion of middle distillates having a sulfur content of at most 350 ppm and an aromatics content of at most 22% by weight, and also a smaller proportion of at least one copolymer of ethylene and vinyl esters, said copolymer containing a) bivalent structural units derived from ethylene of the formula 1 —CH2—CH2—  (1) b) from 5 to 12 mol % of bivalent structural units of the formula 2 where R1 is saturated, branched C5-C18-alkyl, and c) from 4 to 13 mol % of bivalent structural units of the formula 3 and the sum of the molar proportions of structural units of the formulae 2 and 3 being between 12 and 16 mol %, to the corresponding polymers, and also to their use for improving the cold flow behavior of middle distillates having a sulfur content of at most 350 ppm and an aromatics content of at most 22% by weight.

    摘要翻译: 本发明涉及燃料油,其包含较大比例的硫含量至多为350ppm,芳烃含量至多为22重量%的中间馏分,以及乙烯和乙烯基酯的至少一种共聚物的较小比例, 所述共聚物含有a)衍生自式1 -CH 2 -CH 2 - (1)的乙烯的二价结构单元b)5至12mol%的式2的二价结构单元,其中R 1是饱和的,支链C 5 -C 18 - 烷基 ,和c)4至13摩尔%的式3的2价结构单元和式2和3的结构单元的摩尔比例之和为12至16摩尔%,相应的聚合物,以及 它们用于改善硫含量至多为350ppm且芳族化合物含量至多为22重量%的中间馏分的冷流行为。

    Fuel oils based on middle distillates and copolymers of ethylene and unsaturated carboxylic esters
    3.
    发明授权
    Fuel oils based on middle distillates and copolymers of ethylene and unsaturated carboxylic esters 失效
    基于中间馏分的燃料油和乙烯和不饱和羧酸酯的共聚物

    公开(公告)号:US06846338B2

    公开(公告)日:2005-01-25

    申请号:US09788261

    申请日:2001-02-19

    摘要: A fuel oil comprising: A) a mineral oil having a cloud point of less than −8° C., a boiling range (90-20%) of less than 120° C. and a difference between CFPP and PP of less than 10° C., and B) one or more copolymers, wherein the copolymers comprise: a) bivalent structural unit (B1), wherein (B1) is a bivalent structural unit of formula (1) —CH2—CH2—  (1) and b) one or more bivalent structural units (B2), wherein (B2) is either a bivalent structural unit of formula (2) —CH2—CR1R2—  (2)  in which R1 is hydrogen or methyl, R2 is COOR3, OR3 or OCOR3, and R3 is an alkyl radical having at least 4 and at most 30 carbon atoms, or (B2) is a bivalent structural unit of formula (2a)  in which R3 is an alkyl radical having at least 4 and at most 30 carbon atoms.

    摘要翻译: 一种燃油,包括:A)浊点小于-8℃的矿物油,小于120℃的沸程(90-20%)和CFPP与PP之间的差异小于10 其中所述共聚物包括:a)二价结构单元(B1),其中(B1)是式(1)的二价结构单元,和b)一个或多个二价结构单元(B2) 其中(B2)是式(2)的二价结构单元,其中R 1是氢或甲基,R 2是COOR 3,OR 3或OCOR 3,R 3是 是具有至少4个且至多30个碳原子的烷基,或(B2)是式(2a)的二价结构单元,其中R 3是具有至少4个且至多30个碳原子的烷基。

    Additives with a reduced tendency to emulsify, which improve the lubricating action of highly desulphurised fuel oils
    6.
    发明授权
    Additives with a reduced tendency to emulsify, which improve the lubricating action of highly desulphurised fuel oils 失效
    具有降低乳化倾向的添加剂,其改善高度脱硫的燃料油的润滑作用

    公开(公告)号:US07431745B2

    公开(公告)日:2008-10-07

    申请号:US10484971

    申请日:2002-07-09

    IPC分类号: C10L1/18

    CPC分类号: C10L10/08 C10L1/191

    摘要: The present invention relates to an additive for improving the lubrication capacity of fuel oils with a maximum sulfur content of 0.035 wt. %. The additive contains at least one ester of a bivalent or polyvalent alcohol and a mixture of unsaturated and optionally saturated fatty acids, whose carbon chain lengths are between 8 and 30 carbon atoms, the aforementioned esters having an OH value of less than 200 mg KOH/g ester and an iodine value greater than 100 g l/100 g ester. The invention also relates to fuel oils with a maximum sulfur content of 0.035 wt. %, which contain the inventive additives. The novel additives exhibit less tendency to emulsify than the additives of the prior art.

    摘要翻译: 本发明涉及一种用于改善最大硫含量为0.035重量%的燃料油的润滑能力的添加剂。 %。 添加剂含有至少一种二价或多价醇的酯和碳链长度为8至30个碳原子的不饱和脂肪酸和任选的饱和脂肪酸的混合物,上述酯的OH值小于200mg KOH / g酯和碘值大于100g / 100g的酯。 本发明还涉及最大硫含量为0.035重量%的燃料油。 %,其含有本发明的添加剂。 与现有技术的添加剂相比,新型添加剂显示出较少的乳化倾向。

    Mixtures of copolymers having an improved lubricating action
    7.
    发明授权
    Mixtures of copolymers having an improved lubricating action 失效
    具有改善的润滑作用的共聚物的混合物

    公开(公告)号:US06281292B1

    公开(公告)日:2001-08-28

    申请号:US09320230

    申请日:1999-05-26

    IPC分类号: C08L3306

    摘要: The invention relates to mixtures comprising A) from 10 to 90% by weight of at least one copolymer comprising structural units derived from ethylene and structural units derived from olefinically unsaturated, hydroxyl-containing compounds, and B) from 90 to 10% by weight of at least one copolymer comprising structural units derived from ethylene and structural units derived from vinyl esters, olefinically unsaturated ethers and/or acrylates.

    摘要翻译: 本发明涉及包含A)10至90重量%的至少一种共聚物,其包含衍生自乙烯的结构单元和衍生自烯属不饱和的含羟基化合物的结构单元,和B)至少90至10重量% 一种共聚物,其包含衍生自乙烯的结构单元和衍生自乙烯基酯,烯属不饱和醚和/或丙烯酸酯的结构单元。

    Additives for improving the cold properties of fuel oils
    8.
    发明授权
    Additives for improving the cold properties of fuel oils 有权
    用于改善燃油的冷特性的添加剂

    公开(公告)号:US08968428B2

    公开(公告)日:2015-03-03

    申请号:US11879431

    申请日:2007-07-17

    摘要: The invention provides additive mixtures comprising A) at least one terpolymer of ethylene, propene and at least one ethylenically unsaturated ester, which i) contains from 6.0 to 12.0 mol % of structural units derived from at least one ethylenically unsaturated ester having a C1- to C3-alkyl radical, ii) contains from 0.5 to 4.0 methyl groups derived from propene per 100 aliphatic carbon atoms, iii) has fewer than 8.0 methyl groups stemming from chain ends per 100 CH2 groups, and B) from 0.5 to 20 parts by weight, based on A), of at least one further component which is effective as a cold additive for mineral oils and is selected from B1) copolymers of ethylene and ethylenically unsaturated compounds whose content of ethylenically unsaturated compounds is at least 2 mol % higher than the content of ethylenically unsaturated esters in the terpolymer defined under A), B2) comb polymers, and B3) mixtures of B1) and B2), and also their use as a cold additive for middle distillates.

    摘要翻译: 本发明提供添加剂混合物,其包括A)至少一种乙烯,丙烯和至少一种烯键式不饱和酯的三元共聚物,其i)含有6.0至12.0mol%的至少一种烯属不饱和酯的结构单元,其具有C1-至 C3-烷基,ii)含有每100个脂族碳原子衍生自丙烯的0.5至4.0个甲基,iii)由每100个CH 2基团的链端衍生的少于8.0个甲基,和B)0.5至20重量份 基于A)的至少一种作为矿物油的冷添加剂有效的其它组分,并且选自B1)乙烯和烯属不饱和化合物的共聚物,其烯键式不饱和化合物的含量比所述烯属不饱和化合物的含量高至少2摩尔% 在A),B2)梳状聚合物和B3)B1)和B2的混合物中定义的三元共聚物中的烯键式不饱和酯的含量,以及它们作为中间馏分的冷添加剂的用途。

    Use of hydroxyl-containing copolymers for the preparation of fuel oils having improved lubricity
    10.
    发明授权
    Use of hydroxyl-containing copolymers for the preparation of fuel oils having improved lubricity 失效
    使用含羟基的共聚物来制备具有改善的润滑性的燃料油

    公开(公告)号:US06391071B1

    公开(公告)日:2002-05-21

    申请号:US09591236

    申请日:2000-06-09

    IPC分类号: C10L118

    摘要: The present invention relates to the use of oil-soluble copolymers which comprise A) from 5 to 80 mol-% of structural units derived from olefinically unsaturated compounds containing at least one free hydroxyl group, B) from 5 to 95 mol-% of structural units derived from olefinically unsaturated compounds carrying a hydrocarbon radical having at least 6 carbon atoms, and, if desired, C) from 0 to 40 mol-% of further structural units selected from the group consisting of acrylic acid, acrylates, vinyl esters, vinylethane and alkenes, with the proviso that the structural units mentioned under C) are different from the structural units mentioned under A) and B), and have a mean molecular weight Mw of from 500 to 100,000 g/mol and an OH number of from 10 to 300 mg of KOH/g, for improving the lubricity and cold flow properties of middle distillates having a sulfur content of less than 0.5% by weight.

    摘要翻译: 本发明涉及油溶性共聚物的用途,该共聚物包含A)5至80mol%的衍生自含有至少一个游离羟基的烯属不饱和化合物的结构单元,B)5至95mol%的结构单元 衍生自携带具有至少6个碳原子的烃基的烯属不饱和化合物,如果需要,C)0至40摩尔%的选自丙烯酸,丙烯酸酯,乙烯酯,乙烯基乙烷和 烯烃,条件是C)中提到的结构单元不同于A)和B)中提及的结构单元,并且具有500至100,000g / mol的平均分子量Mw和10至 300mg KOH / g,用于改善硫含量小于0.5重量%的中间馏分的润滑性和冷流动性。