Title:
RESIN PELLET
Document Type and Number:
WIPO Patent Application WO/2020/152983
Kind Code:
A1
Abstract:
Provided is a resin pellet which has a core-sheath structure containing at least two different thermoplastic resins and satisfying specific conditions, thereby preventing blocking or bleeding between pellets even for a long period of storage and exhibiting excellent flowability. This resin pellet has a core-sheath structure containing a thermoplastic resin (A) and a thermoplastic resin (B), wherein: the weight average molecular weight Mw(A) of the thermoplastic resin (A) is 85,000-130,000; the ratio of the weight average molecular weight Mw(A) of the thermoplastic resin (A) to the weight average molecular weight Mw(B) of the thermoplastic resin (B) is 1-4 (exclusive of 1); a sheath part contains the thermoplastic resin (B); a core part contains the thermoplastic resin (A); and a proportion of the thermoplastic resin (A) is greater in the core part than in the sheath part.
Inventors:
MURAKAMI YUKI (JP)
HAMASAKI RYO (JP)
HAMASAKI RYO (JP)
Application Number:
PCT/JP2019/046546
Publication Date:
July 30, 2020
Filing Date:
November 28, 2019
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
B29B9/12; C08J3/12; C08L101/00; C09K3/10; B29B9/10
Foreign References:
| JP2009120641A | 2009-06-04 | |||
| JP2008255277A | 2008-10-23 | |||
| JP2000351117A | 2000-12-19 | |||
| JP2001049099A | 2001-02-20 |
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