Pour Point Depressant (PPD) selection and use
2017年2月15日 · PPD selection and use is highly important for ensuring high performance and prolonging the lifecycle of oil formulations by preventing equipment damages at low …
VISCOPLEX® Pour Point Depressants - Evonik
VISCOPLEX® PPDs help overcome the most severe low-temperature viscometric demands of modern lubricants, delivering robustness across base stock groups, performance packages …
【润滑百科】浅谈润滑油粘度调节剂作用机理及应用
2022年3月24日 · 倾点是油液在规定条件下冷却时的最低温度，倾点抑制剂(ppd)通过干扰蜡晶体的生长来降低温度。 聚丙烯酸酯和聚甲基丙烯酸酯是一些常用的 PPD 化学物质。
Pour-Point Depressants (PPD) and Viscosity Index Improvers (VII)
Additiv-Chemie Luers (ACL) and KUSA Chemicals provide a comprehensive range of pour point depressants, viscosity index improvers based on PAMA technology; and additive packages for …
降凝剂-刚和石油（营口）有限公司 - gangheoil.com
全套成熟先进的自由基聚合成技术G8XXP系列降凝剂产品是聚甲基丙烯酸酯（PAMA）聚合物，它具有以下优势：在严寒温度下，能有效地控制蜡晶产生和生长；能为多种基础油配制成的润滑 …
Lubricant and Fuel Additives Based on Polyalkylmethacrylates
2012年12月31日 · Polyalkylmethacrylates (PAMA) have long been known in industry as key additives to formulate lubricant oils, particularly in the area of 'green technology'-based...
Review of Viscosity Modifier Lubricant Additives
2018年3月14日 · VM chemistries include polyalkyl methacrylate (PAMA), olefin copolymer (OCP), polyisobutylene (PIB), and hydrogenated styrene–diene (HSD), with molecular weights …
聚甲基丙烯酸酯型润滑油降凝剂 - 上海叶润化工有限公司
聚甲基丙烯酸酯型润滑油降凝剂 v465 是一种适用于石蜡基与加氢异构基础油的pama(聚甲基丙烯酸酯)型润滑油降凝剂，典型添加量为：0.1-0.5%（重量） 详情
VISCOPLEX® Pour Point Depressant technologies - studylib.net
Based on polyalkylmethacrylate (PAMA) chemistry, a comprehensive line of Pour Point Depressant (PPD) products delivers robust low-temperature performance that adapts to a …
PMA Polymethacrylate PPD - Shanghai Minglan Chemical Co.,Ltd.
2023年5月11日 · PMA Polymethacrylate PPD is a high effective transparent liquid with light color. It shows good pour point depression ability and low temperature performance, meanwhile, it …