Fuel composition
    83.
    发明授权
    Fuel composition 失效
    燃油组成

    公开(公告)号:US6015441A

    公开(公告)日:2000-01-18

    申请号:US930399

    申请日:1997-09-30

    Abstract: A fuel oil composition comprising: (A) a major proportion of a middle distillate petroleum fuel having a wax content of less than 2 wt % at 10.degree. C. below the wax appearance point of the fuel, and either: (i) a final boiling point of greater than 355.degree. C. and either a (90-20%) distillation range of greater than 115 .degree. C. or a (FBP-90%) distillation range of 30.degree. C. or greater; or (ii) a final boiling point of greater than 360.degree. C. and either a (90-20%) distillation range of greater than 110.degree. C. or a (FBP-90%) distillation range of 25.degree. C. or greater; or (iii) a final boiling point of greater than 370.degree. C. and either a (90-20%) distillation range of greater than 100.degree. C. or a (FBP-90%) distillation range of 250.degree. C. or greater), and (B) a minor proportion of an additive comprising: (B1) an ethylene-unsaturated ester copolymer flow improver, other than an ethylene-vinyl acetate bipolymer, the flow improver having an unsaturated ester content of greater than 10 mole %; and, optionally, (B2) an ethylene-unsaturated ester copolymer that is different from (B1).

    Abstract translation: PCT No.PCT / EP96 / 01728 Sec。 371日期:1997年9月30日 102(e)1997年9月30日PCT 1996年4月23日PCT PCT。 公开号WO96 / 34073 日期:1996年10月31日燃料油组合物包含:(A)在燃料的蜡外观点以下10℃下蜡含量小于2重量%的中间馏分石油燃料的主要部分,以及: (i)最终沸点大于355℃,(90-20%)蒸馏范围大于115℃或(FBP-90%)蒸馏范围为30℃或更高; 或(ii)终沸点大于360℃,(90-20%)蒸馏范围大于110℃或(FBP-90%)蒸馏范围为25℃或更高 ; 或(iii)大于370℃的最终沸点和大于100℃的(90-20%)蒸馏范围或250℃或更高的(FBP-90%)蒸馏范围 )和(B)少量添加剂,其包含:(B1)不同于乙烯 - 乙酸乙烯酯共聚物的乙烯 - 不饱和酯共聚物流动改进剂,所述流动改进剂具有大于10摩尔%的不饱和酯含量; 和(B1)与(B1)不同的(B2)乙烯 - 不饱和酯共聚物。

    Copolymer dispersants via vinyl terminated propene polymers
    87.
    发明授权
    Copolymer dispersants via vinyl terminated propene polymers 失效
    共聚物分散剂通过乙烯基封端的丙烯聚合物

    公开(公告)号:US5616153A

    公开(公告)日:1997-04-01

    申请号:US538310

    申请日:1995-10-03

    Abstract: A novel copolymer of an unsaturated acidic reactant and an atactic vinyl terminated propene polymer (VTPP) and its use in preparation of fuel and lubricant additives is taught. The VTPP has a major amount of polymer chains containing terminal vinyl unsaturation, a number average molecular weight of at least 500, and comprises at least 70 weight per cent propene and 0 to 30 weight per cent of at least one olefin selected from the group consisting of C.sub.2 and C.sub.4 to C.sub.10 olefins. The unsaturated acidic reactant comprises at least one unsaturated C.sub.4 to C.sub.10 carboxylic or dicarboxylic acid or anhydride. An oil soluble dispersant additive of the invention useful in oleaginous compositions is prepared by contacting the atactic VTPP copolymer with at least one nucleophilic reagent selected from the group consisting of amines, alcohols, metal reactants and mixtures thereof under conditions effective to form adducts of the nucleophilic reagent with the copolymer. The novel dispersants made from the copolymers and terpolymers of the invention can be polymeric succinic ester-amide dispersants, polymeric succinimide dispersants, polymeric succinic amide-triazole dispersants, or polymeric succinic triazole dispersants. Fuel and lubricant compositions containing such additives are a part of the invention.

    Abstract translation: 教导了不饱和酸性反应物和无规乙烯基封端的丙烯聚合物(VTPP)的新型共聚物及其在制备燃料和润滑剂添加剂中的用途。 VTPP具有大量含有末端乙烯基不饱和键,数均分子量至少为500的聚合物链,并且包含至少70重量%的丙烯和0至30重量%的至少一种选自以下的烯烃: 的C2和C4至C10烯烃。 不饱和酸性反应物包含至少一种不饱和C 4至C 10羧酸或二羧酸或酸酐。 通过使无规VTPP共聚物与选自胺,醇,金属反应物及其混合物的至少一种亲核试剂在有效形成亲核的加合物的条件下接触来制备本发明的油性组合物中的油溶性分散剂添加剂 试剂与共聚物。 由本发明的共聚物和三元共聚物制成的新型分散剂可以是聚合琥珀酸酯 - 酰胺分散剂,聚合琥珀酰亚胺分散剂,聚合琥珀酰胺 - 三唑分散剂或聚合琥珀酸三唑分散剂。 包含这些添加剂的燃料和润滑剂组合物是本发明的一部分。

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