Title:
METHOD FOR PRODUCING FOAMABLE POLYAMIDE-BASED RESIN PARTICLES, METHOD FOR PRODUCING POLYAMIDE-BASED RESIN FOAMED PARTICLES, AND POLYAMIDE-BASED RESIN FOAMED PARTICLES
Document Type and Number:
WIPO Patent Application WO/2023/189213
Kind Code:
A1
Abstract:
A method for producing foamable polyamide-based resin particles according to the present invention includes impregnating polyamide-based resin particles with an inorganic physical foaming agent in a gas phase, wherein the polyamide-based resin particles have a water content of at least 2.5 mass% and contain 0.5-10 mass% of carbon black. The foamable polyamide-based resin particles are obtained by heating and foaming foamable polyamide resin particles.
Inventors:
YAMANAKA RYO (JP)
Application Number:
PCT/JP2023/008103
Publication Date:
October 05, 2023
Filing Date:
March 03, 2023
Export Citation:
Assignee:
JSP CORP (JP)
International Classes:
C08J9/18
Domestic Patent References:
| WO2021125264A1 | 2021-06-24 | |||
| WO2019050032A1 | 2019-03-14 |
Foreign References:
| JP2011105879A | 2011-06-02 | |||
| JP2021130739A | 2021-09-09 |
Attorney, Agent or Firm:
HIROSAWA Kuninori (JP)
Download PDF: