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Acrylic Polymers as Additives for Engine Oil: A Historical Perspective

Oil undergoes temporary viscosity changes under operating conditions in engines. Therefore, engine oils usually contain polymeric additives called viscosity modifiers. These additives are oil soluble polymers; enable the oil to provide adequate hydrodynamic lubrication at high temperatures and good starting/pumping performance at low temperatures. Pour point depressants are additives which add to engine oil to lower/decrease the probability of wax argument formation under lower temperature conditions. The aim of this chapter is to present the historical synthesis of different types of acrylic polymers, there effect as lubricating oil additives (viscosity index improvers and pour point depressants). In addition, the mechanisms by which viscosity modifiers and pour point depressants work, and method of evaluation.

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: IntechOpen,.,
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Language
English
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978-1-83969-532-2
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Subject(s)
Crude Oil - New Technologies and Recent Approaches
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