The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 2021
Filed:
Nov. 29, 2016
Applicant:
Sekisui Chemical Co., Ltd., Osaka, JP;
Inventors:
Kento Nagai, Shiraoka, JP;
Shigeki Matsuki, Shenzhen, CN;
Assignee:
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/26 (2018.01); B29C 48/08 (2019.01); B29C 48/00 (2019.01); B32B 5/18 (2006.01); B32B 27/32 (2006.01); B32B 27/00 (2006.01); C08J 9/10 (2006.01); C09J 7/20 (2018.01); B29C 55/00 (2006.01); B29C 55/12 (2006.01); B29K 23/00 (2006.01); B29L 7/00 (2006.01);
U.S. Cl.
CPC ...
C09J 7/26 (2018.01); B29C 48/0012 (2019.02); B29C 48/022 (2019.02); B29C 48/08 (2019.02); B29C 55/005 (2013.01); B29C 55/12 (2013.01); B32B 5/18 (2013.01); B32B 27/00 (2013.01); B32B 27/32 (2013.01); C08J 9/10 (2013.01); C08J 9/103 (2013.01); C09J 7/20 (2018.01); B29K 2023/0625 (2013.01); B29L 2007/002 (2013.01); C08J 2203/04 (2013.01); C08J 2205/04 (2013.01); C08J 2205/06 (2013.01);
Abstract
There is provided a polyolefin resin foam sheet formed by foaming a polyolefin resin, wherein the expansion ratio of the foam sheet is 1.5 to 20 cm/g, the average cell sizes in the MD direction and the TD direction of the foam sheet are 130 μm or less, and the following formulas (1) and (2) are satisfied:≥6  (1); and≥5  (2), where