US 11,938,687 B2
Plant fiber-containing composite resin molded article with sustained release of aroma
Masayoshi Imanishi, Osaka (JP); Masashi Hamabe, Osaka (JP); Toshifumi Nagino, Osaka (JP); and Shouma Nishino, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Oct. 19, 2021, as Appl. No. 17/505,084.
Claims priority of application No. 2020-180736 (JP), filed on Oct. 28, 2020.
Prior Publication US 2022/0126527 A1, Apr. 28, 2022
Int. Cl. B29C 70/14 (2006.01); B29K 23/00 (2006.01); C08K 7/02 (2006.01)
CPC B29C 70/14 (2013.01) [C08K 7/02 (2013.01); B29K 2023/08 (2013.01); B29K 2995/0041 (2013.01); C08K 2201/007 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A composite resin molded article comprising:
a base resin;
plant fibers; and
a dispersant,
wherein each of the plant fibers contains an aroma component,
the base resin is a crystalline resin,
in a case where a total content of the base resin, the plant fibers, and the dispersant is 100% by mass, a content of the plant fibers is more than or equal to 50% by mass and less than or equal to 90% by mass, and
a crystallinity of a portion of the base resin close to the plant fibers in the composite resin molded article is greater than or equal to 1.05 times a crystallinity of a portion of the base resin away from the plant fibers in the composite resin molded article.