| 摘要 |
The present invention provides a vacuum thermoforming process-combined secondary molding method for expandable polypropylene, the method comprises the steps of silk screen printing on a blister sheet, vacuum thermoforming of the blister sheet to provide a thermoforming part, foam molding of expandable polypropylene to provide a EPP foam part, spray coating the surface of the EPP foam part with ink, and integrate molding of the EPP foam part and the thermoforming part. The expandable polypropylene blister product produced by this method exhibits good impact resistance and possesses good appearance.
|
