本发明提供了润滑组合物，其包含具有润滑粘度的油以及官能化的乙烯‑α‑烯烃共聚物、聚(甲基)丙烯酸酯嵌段聚合物的协同混合物，所述聚(甲基)丙烯酸酯嵌段聚合物具有基本上油溶性的嵌段和基本上油不溶性的嵌段。本发明还提供了使用此类润滑组合物润滑机械装置的方法。
本发明所公开的技术涉及一种润滑组合物，所述润滑组合物包含：具有润滑粘度的油，以及选自含有α‑碳芳族取代的仲胺的无灰碱性胺添加剂。在本发明所公开技术的润滑油中使用的碱性仲胺添加剂赋予以总碱值(TBN)测量的碱度，而不添加硫酸化灰分。含有本发明所公开技术的碱性仲胺添加剂的润滑油同时实现密封件相容性、沉积物和腐蚀控制。
本发明涉及一种燃料添加剂组合物，该燃料添加剂组合物具有至少一种酰化洗涤剂、至少一种曼尼希洗涤剂和至少一种聚醚和/或聚醚胺。酰化洗涤剂可以为烃基取代的酰化剂和含氮化合物的反应产物，该含氮化合物具有至少一个可任选地季铵化的氨基基团和至少一个能够与该烃基取代的酰化剂反应的氧原子或氮原子。该组合物可用于减少发动机(诸如汽油直喷发动机)中的含碳沉积物的形成以及/或者清洁含碳沉积物。
本发明公开了一种润滑组合物，该润滑组合物包含具有润滑粘度的油和苯并氮杂化合物。还公开了使用此类润滑组合物的方法。
The disclosed technology provides a lubricating composition and a method of lubricating an internal combustion engine where the lubricating composition contains an oil of lubricating viscosity, one or more metal-containing, sulfur-free, alkyl-phenol based detergents, an alkaline earth metal sulfonate detergent, a polyisobutenyl succinimide dispersant, and a dispersant viscosity modifier having a number average molecular weight of at least 20,000. The lubricating composition of the present invention can be formulated to have lower HTHS viscosity, and reduced phosphorous content, while providing protection against adhesive wear.
The disclosed technology provides a lubricating composition and a method of lubricating an internal combustion engine where the lubricating composition contains an oil of lubricating viscosity, one or more metal-containing, sulfur-free, alkyl-phenol based detergents, an alkaline earth metal sulfonate detergent, a polyisobutenyl succinimide dispersant, and a dispersant viscosity modifier having a number average molecular weight of at least 20,000. The lubricating composition of the present invention can be formulated to have lower HTHS viscosity, and reduced phosphorous content, while providing protection against adhesive wear.
Polymers having an acrylic-olefin backbone prepared from a monomer composition comprising at least one C1-30 (meth)acrylic compound and at least on alpha-olefin having a chain length of at least 20 carbon atoms (a "C20+ α-olefin"). The resulting polymer has at least 30 wt% of the alpha-olefin incorporated therein. The polymers may be used in rust preventative compositions to reduce rust formation on items having metal components.
本发明涉及一种润滑组合物，其包含来源于生腰果壳液的洗涤剂添加剂。本发明还提供一种用于制备所述添加剂的方法以及所述润滑组合物在机械装置中的用途。
本公开的技术涉及适合用作润滑剂的组合物和包含1,4‑苯并噁嗪衍生的抗氧化剂的润滑剂添加剂组合物，其中所述抗氧化剂本身也可以被描述为1,4‑苯并噁嗪化合物，并且任选地包含适用于润滑剂的其它添加剂，诸如抗磨剂、洗涤剂或分散剂。
本公开涉及具有改进的摩擦特性的润滑组合物。该润滑组合物包含具有润滑粘度的油和摩擦调节剂，该摩擦调节剂是脂族二醇或多元醇的C10至C14烯基羧酸酯，其中烯基基团的双键在该烯基基团的最长连续链内或直接连接到该烯基基团的该最长连续链。
