Title:
METHOD FOR PRODUCING POLYPROPYLENE RESIN FOAM PARTICLES, POLYPROPYLENE RESIN FOAM PARTICLES, AND POLYPROPYLENE RESIN IN-MOLD FOAMING MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2018/190353
Kind Code:
A1
Abstract:
The present invention addresses the problem of efficiently obtaining polypropylene resin foam particles which enable the achievement of a polypropylene resin in-mold foaming molded body that has excellent quality. The present invention provides a method for producing polypropylene resin foam particles, which uses an inorganic foaming agent and a dispersion liquid that has a pH within a predetermined range, while containing (a) polypropylene resin particles which contain an aliphatic diethanolamine fatty acid ester and/or an aliphatic diethanolamine in a predetermined amount, (b) water and (c) a silicate salt in predetermined amounts.
Inventors:
MIURA SHINTARO (JP)
Application Number:
PCT/JP2018/015145
Publication Date:
October 18, 2018
Filing Date:
April 10, 2018
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
C08J9/18; C08K3/20; C08K3/34; C08K5/17; C08L23/10
Domestic Patent References:
| WO2013137411A1 | 2013-09-19 | |||
| WO2002100929A1 | 2002-12-19 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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