Research Article

[Retracted] Preparation and Properties of HGBTPU Composite Foam for Football Protection

Table 3

Preparation equipment.

EquipmentType

Vacuum drying ovenDZF6050
High-speed mixerSHR-10A
Hack torque rheometerHAAKERC90
Injection molding machineHTF58X1
Scanning electron microscopeS37004
Infrared spectrum analyzerNicolet 8700