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Managing Editor  | October 2017

White paper explores high-performance polymers for automotive air management

A new white paper from DuPont explores how high-performance polymers can help automotive manufacturers meet changing needs for engine performance, emission standards, and creation of lightweight, more efficient systems.



The white paper explores how polymers impact engine design.
(Wikimedia Commons)


DuPont argued that rigid and flexible polymers can help manufacturers reduce fuel consumption, which is widely regarded as one of the most effective means for limiting carbon dioxide (CO) and nitrogen oxide (NOx) emissions.


“Reducing engine size, or ‘rightsizing,’ and vehicle weight are arguably the most effective and immediate paths to achieving that goal,” the introduction to the white paper explained. “Replacement of metals by plastics is the most effective way to make a vehicle lighter while gaining in easier processing, integration of functions and lower cost.”


Specifically, this white paper examines the impact of plastics in the air management lines of turbo-charged engines controlling high-temperature air, aggressive gases and high-pressure fluids.


“Modern turbo-charged engines are cooled by complex air and liquid cooling systems that manage the intake and exhaust flow of high-temperature air, gases and coolants, and integrate many vital elements including the air filter, air intake manifold, turbocharger, resonator, charge air cooler or intercooler, exhaust gas recirculation unit, closed positive crankcase ventilation,” the introduction continued.


This white paper and the concept of using new materials, including polymers and elastomers, in automotive applications is the result of changing emission control regulations, such as mandatory targets set by the European Union to reduce the effect of climate change.


As DuPont noted, “Pressure on auto OEMs to reduce nitrogen oxides (NOx) emissions from diesel cars is also set to increase in 2018 in the wake of events that throw into question the true pollution level of diesel cars. The emissions control pressures on auto manufacturers, whether for petrol or diesel cars, will thus continue to intensify.”


Plastics have proven to be part of the solution for automotive manufacturers, according to DuPont.


Read the full white paper at http://www.dupont.com/industries/automotive/powertrain-engine-system/articles/whitepaper-engine-air-management.html

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