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. 01, 2021
Filed:
Oct. 28, 2015
Applicant:
Prime Polymer Co., Ltd., Tokyo, JP;
Inventor:
Tatsuji Kawamura, Ichihara, JP;
Assignee:
PRIME POLYMER CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/02 (2019.01); B29C 44/02 (2006.01); B29C 45/78 (2006.01); C08J 9/08 (2006.01); B29C 45/00 (2006.01); B29C 44/58 (2006.01); C08L 53/00 (2006.01); C08F 297/08 (2006.01); C08J 9/00 (2006.01); B29L 31/30 (2006.01); B29C 44/34 (2006.01); B29K 23/00 (2006.01); B29K 105/04 (2006.01);
U.S. Cl.
CPC ...
B29C 44/02 (2013.01); B29C 44/586 (2013.01); B29C 45/00 (2013.01); B29C 45/78 (2013.01); C08F 297/083 (2013.01); C08J 9/0061 (2013.01); C08J 9/0066 (2013.01); C08J 9/08 (2013.01); C08L 53/00 (2013.01); B29C 44/3415 (2013.01); B29K 2023/12 (2013.01); B29K 2105/04 (2013.01); B29K 2995/0013 (2013.01); B29K 2995/0015 (2013.01); B29K 2995/0063 (2013.01); B29K 2995/0097 (2013.01); B29L 2031/3014 (2013.01); B29L 2031/3055 (2013.01); C08J 2203/02 (2013.01); C08J 2203/10 (2013.01); C08J 2205/10 (2013.01); C08J 2353/00 (2013.01); C08J 2423/08 (2013.01);
Abstract
In a polypropylene-based foamed molded body of the present invention, a density which is measured on the basis of ISO1183 is greater than or equal to 0.15 g/cmand less than or equal to 0.54 g/cm, thermal resistance (R) at 30° C. in a thickness direction which is measured on the basis of ASTM E1530 is greater than or equal to 0.020 m·K/W and less than or equal to 0.125 m·K/W, thermal capacity per unit area (Q) at 30° C. is greater than or equal to 1.0 kJ/m·K and less than or equal to 2.5 kJ/m·K, and Expression 1 described below is satisfied.>1/(4×)  (Expression 1)