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:
Nov. 29, 2016
Filed:
Oct. 07, 2014
Applicant:
Jsp Corporation, Chiyoda-ku, JP;
Inventor:
Masaomi Shima, Mie, JP;
Assignee:
JSP CORPORATION, Chiyoda-ku, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 9/18 (2006.01); C08J 9/00 (2006.01); C08J 9/14 (2006.01); C08J 9/232 (2006.01); C08L 23/08 (2006.01);
U.S. Cl.
CPC ...
C08J 9/18 (2013.01); C08J 9/0061 (2013.01); C08J 9/141 (2013.01); C08J 9/232 (2013.01); C08L 23/0815 (2013.01); C08J 2201/026 (2013.01); C08J 2203/14 (2013.01); C08J 2203/202 (2013.01); C08J 2205/052 (2013.01); C08J 2323/06 (2013.01); C08J 2325/06 (2013.01); C08J 2325/14 (2013.01); C08J 2423/08 (2013.01); C08L 2203/14 (2013.01); C08L 2205/04 (2013.01); C08L 2312/00 (2013.01);
Abstract
An expandable composite resin bead comprises: a composite resin containing a polyethylene resin and a polystyrene resin; and a blowing agent impregnating the composite resin. The composite resin contains 5 to 20 mass % of the polyethylene resin and 80 to 95 mass % of the polystyrene resin. The blowing agent is an organic physical blowing agent. Furthermore, in the expandable composite resin bead, a predetermined swelling degree in methyl ethyl ketone at a temperature of 23° C. is not lower than 1.25.