Additives for improving the cold properties of fuel oils
    42.
    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

    Abstract: 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.

    Abstract translation: 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。

    Cold flow improvers for fuel oils of vegetable or animal origin

    公开(公告)号:US20050108924A1

    公开(公告)日:2005-05-26

    申请号:US10972667

    申请日:2004-10-25

    Applicant: Matthias Krull

    Inventor: Matthias Krull

    Abstract: The invention provides a fuel oil composition comprising a fuel oil of animal or vegetable origin and an additive comprising A) at least one copolymer 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 having C8-C16-alkyl radicals, the structural units being selected from C8-C16-alkyl (meth)acrylates, C8-C16-alkyl vinyl esters, C8-C16-alkyl vinyl ethers, C8-C16-alkyl (meth)acrylamides, C8-C16-alkyl allyl ethers and C8-C16-diketenes, where the sum R R = m 1 · ∑ i ⁢ w 1 ⁢ i · n 1 ⁢ i + m 2 · ∑ j ⁢ w 2 ⁢ j · n 2 ⁢ j + … + m g · ∑ p ⁢ w gp · n gp is the molar average of the carbon chain length distributions in the alkyl radicals of the monomers B) is from 11.0 to 14.0, where m1, m2, . . . mg are the molar fractions of the abovementioned monomers B) in the polymer and the sum of the molar fractions m1 to m9=1, w1i, w1j, w2i, w2j . . . wgp are the proportions by weight of the individual chain lengths i, j, . . . p of the alkyl radicals of the different monomers B) 1 to g, and n1i, n1j, n2i, n2j . . . ngp are the chain lengths of the alkyl radicals i, j, . . . p of the monomers B) 1 to g.

    Process for improving the cold-flow properties of fuel oils
    46.
    发明授权
    Process for improving the cold-flow properties of fuel oils 有权
    改进燃油的冷流特性的方法

    公开(公告)号:US6110238A

    公开(公告)日:2000-08-29

    申请号:US235723

    申请日:1999-01-22

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

    Abstract: A process for improving the cold flow properties of fuel oils comprising the addition to fuel oil of an additive comprising copolymers of lower olefins and vinyl esters and a terpolymer of 4-methylpentene-1 and an additive composition comprising copolymers of lower olefins and vinyl esters and a terpolymer of 4-methylpentene-1.

    Abstract translation: 一种用于改进燃料油的冷流动性能的方法,其包括添加到包含低级烯烃和乙烯基酯的共聚物的添加剂的燃料油和4-甲基戊烯-1的三元共聚物和包含低级烯烃和乙烯基酯的共聚物的添加剂组合物的方法,以及 4-甲基戊烯-1的三元共聚物。

    Additive for improving the flow properties of mineral oils and mineral
oil distillates
    47.
    发明授权
    Additive for improving the flow properties of mineral oils and mineral oil distillates 有权
    添加剂用于改善矿物油和矿物油馏分的流动性能

    公开(公告)号:US6010989A

    公开(公告)日:2000-01-04

    申请号:US148933

    申请日:1998-09-04

    Abstract: The invention relates to an additive for improving the flow properties of paraffin-containing mineral oils and mineral oil distillates, comprising a mixture of at least one ethylene/vinyl ester copolymer or terpolymer and at least one paraffin dispersant, wherein said mixture contains ethers and/or esters as solubilizers, wherea) the ethers conform to the formula 1R--O--R' (1) in which R is a linear or branched alkyl or alkenyl group having 4 to 30 carbon atoms, and R' is a linear or branched alkyl or alkenyl group having 1 to 30 carbon atoms,b) the esters are derived from monobasic or polybasic carboxylic acids having 4 to 30 carbon atoms (acid radical) and from monohydric or polyhydric alcohols having 1 to 30 carbon atoms (alcohol radical), orc) the ethers and/or esters are cyclic, with a ring size of from 6 to 30 carbon atoms.The invention furthermore relates to a process for improving the flow properties of mineral oils and mineral oil distillates which comprises adding the novel additive thereto.

    Abstract translation: 本发明涉及用于改善含链烷烃的矿物油和矿物油馏出物的流动性质的添加剂,其包括至少一种乙烯/乙烯基酯共聚物或三元共聚物和至少一种链烷烃分散剂的混合物,其中所述混合物含有醚和/ 或酯作为增溶剂,其中a)醚符合式1的RO-R'(1)其中R是具有4至30个碳原子的直链或支链烷基或烯基,R'是直链或支链烷基 或具有1至30个碳原子的烯基,b)酯衍生自具有4至30个碳原子的一元或多元羧酸(酸基)和具有1至30个碳原子的一元或多元醇(醇基),或 c)醚和/或酯是环状的,环的大小为6至30个碳原子。 本发明还涉及一种用于改善矿物油和矿物油馏出物的流动性质的方法,其包括向其中加入新的添加剂。

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