Title:
METHOD FOR MANUFACTURING PELLET TYPE POLYPROPYLENE RESIN, PELLET TYPE POLYPROPYLENE RESIN, AND MOLDED ARTICLE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/096047
Kind Code:
A1
Abstract:
The present specification relates to a method for manufacturing a pellet type polypropylene resin, a pellet type polypropylene resin, and a molded article comprising same, the method comprising: a mixing step of mixing a polypropylene resin having an average diameter of 0.1 um to 200 um and an antioxidant; an injecting step of injecting the mixture into an extruder; and an extrusion step of extruding the mixture, wherein the steps are performed as a series of continuous processes, and the continuous processes are maintained at 50℃ or higher.
Inventors:
JEONG DO YEON (KR)
CHA SEUNG HWAN (KR)
LEE JONG SU (KR)
CHA SEUNG HWAN (KR)
LEE JONG SU (KR)
Application Number:
PCT/KR2022/008303
Publication Date:
June 01, 2023
Filing Date:
June 13, 2022
Export Citation:
Assignee:
KOPLA CO LTD (KR)
International Classes:
C08L23/12; B29B9/10; B29B11/10
Foreign References:
| KR20130020783A | 2013-02-28 | |||
| KR20160063886A | 2016-06-07 | |||
| KR20210038340A | 2021-04-07 | |||
| KR20170034538A | 2017-03-29 | |||
| JP2014194010A | 2014-10-09 | |||
| KR20040085637A | 2004-10-08 |
Attorney, Agent or Firm:
HAEDAM IP GROUP (KR)
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