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:
Mar. 02, 2021
Filed:
Jun. 11, 2018
Applicant:
Mitsubishi Chemical Corporation, Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 37/14 (2006.01); C08J 5/24 (2006.01); B32B 27/38 (2006.01); B32B 5/02 (2006.01); B29C 70/38 (2006.01); B29K 105/08 (2006.01); B29K 307/04 (2006.01);
U.S. Cl.
CPC ...
C08J 5/24 (2013.01); B29C 70/386 (2013.01); B32B 5/02 (2013.01); B32B 27/38 (2013.01); B32B 37/14 (2013.01); B29K 2105/0881 (2013.01); B29K 2307/04 (2013.01); B32B 2255/02 (2013.01); B32B 2305/076 (2013.01); C08J 2363/02 (2013.01); C08J 2363/04 (2013.01); Y10T 428/249924 (2015.04);
Abstract
A prepreg tape in which reinforcing fiber bundles are impregnated with a thermosetting resin composition, wherein the prepreg tape has a tack value measured at 23° C. at a plunger push pressure of 90 kPa of 5-40 kPa, a tack value measured at 45° C. and a plunger push pressure of 150 kPa of 35-100 kPa, and a drape value at 23° C. of 10-40°, and includes unidirectional fibers arranged along the direction of length of the prepreg tape.