Typical PPS modified resin applications in the automotive field:

I. New energy-related applications.

1) Motor insulation parts

Material: PPS. Product function: It plays the role of electrical insulation between the stator core and the stator winding.

Choice reasons: heat resistance, high toughness.

2) IGBT power module

Material: PPS. Product function: Motor control of hybrid electric vehicle.

Reasons for choice: dimensional accuracy, heat shock resistance, heat resistance.

3) DC-DC converter

Material: PPS. Product function: Convert hundreds of volts of power supply voltage into a 12/48 volt device for auxiliary machinery.

Choice reasons: Heat resistance, low warpage, heat shock resistance.

4) Electronic water pump

Material: PPS. Product functions: Hybrid/Zengcheng type automobile motor and control system cooling cycle; Battery-assisted heating and cooling cycles; Turbocharger cooling cycle; Engine water cooling cycle.

Choice reasons: heat resistance, high wear resistance, dimensional stability, chemical resistance.

Ii. Components around the engine.

1) Fuel injector driver

Material: PPS. Product function: Drive direct injection motor injector device.

Choice reasons: heat resistance, dimensional accuracy.

2) Engine control device

Material: PPS. Product functions: Control injection system, ignition time, idle speed.

Reasons for selection: Heat resistance, low warpage.

3) Electronic throttle valve

Material: PPS. Product function: Use open and close butterfly valve to adjust the air volume. Reason for choice: dimensional accuracy.

4) Active four-wheel drive electromagnetic coil

Material: PPS. Function: A device for switching front and rear wheel drive torque (2WD/4WD) via an electronically controlled clutch. Choice reasons: oil resistance, heat shock resistance.

5) AT electromagnetic coil

Material: PPS. Product function: Used to support transmission oil pressure control. Reasons for choice: Heat and chemical resistance.

6) camshaft position Angle sensor

Material :PPS. Product function: camshaft position Angle sensor.

Reasons for choice: high temperature resistance, chemical resistance, epoxy resin adhesion.

7) Crankshaft position sensor

Material: PPS. Product function: Detect engine speed. Choice reasons: cold and heat shock resistance, chemical resistance.

8) Ignition coil

Material: PPS. Product function: The booster device that makes the spark plug produce spark.

Reasons for choosing: dimensional accuracy, electrical characteristics.

9) Exhaust gas circulation device

Material: PPS. Product function: Lift sensor to detect the opening size of EGR valve.

Selection reasons: high heat resistance, dimensional accuracy.

Iii. Fuel system.

1) Fuel injection device

Material: PPS. Product use: fuel injection into the cylinder.

Choice reasons: Good heat resistance, chemical resistance, hydrolysis resistance.

2) Brush holder for fuel pump

Material: PPS. Product use: Used to make the current through the coil to keep sliding contact (carbon brush).

Choice reasons: heat resistance, dimensional accuracy.

3) Fuel pump impeller

Material: PPS. Product function: Connected motor, the gasoline from the fuel tank to the engine.

Choice reasons: Ultra-low fuel expansion, chemical resistance, formability.

Four. Security system

1) Electric steering ECU

Material: PPS. Application: Motor for controlling auxiliary steering torque.

Choice reasons: heat resistance, heat shock, dimensional accuracy.

2) Millimeter wave radar cover

Material: PPS. Product use: Cover to protect radar antenna and other components, wave penetration.

Selection reasons: high strength, low warpage, wave stability.

3) EPS insulation

Material: PPS. Product use: Play an insulating role between the stator core and the winding of the motor.

Choice reasons: heat resistance, high fluidity, high toughness.

4) Torque sensor

Material :PPS. Part function: Detecting steering torque.

Choice reasons: heat resistance, chemical resistance, cold and heat shock resistance, dimensional accuracy.

In addition, PPS is also used in automotive headlight reflectors, lamp seats and other lighting components. Compared with traditional vehicles, new energy vehicles have more PPS applications. In recent years, new energy vehicles have developed rapidly, and the application of PPS will occupy a larger share.