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US 2021/0276232 A1Published application
Blow-molded foam and process for producing the same
AssigneeKyoraku Co., Ltd.
InventorsMasaaki ONODERA, Takehiko SUMI, Teruo TAMADA, Yu IGARASHI, Yoshinori OHNO
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Abstract
The present invention provides a process for producing a blow-molded foam including foamed cells, the process including: kneading a polyolefin-based resin containing a foaming agent mixed therewith in an extruder, and extruding a parison formed of the polyolefin-based resin between split mold blocks from a die slit at an extrusion rate of 700 kg/h or more.
Claims10
A process for producing a blow-molded foam including foamed cells, the process comprising:
- kneading a polyolefin-based resin containing a foaming agent mixed therewith in an extruder, and
- extruding a parison formed of the polyolefin-based resin between split mold blocks from a die slit at an extrusion rate of 700 kg/h or more.
Dependencies are inferred from the claim text.