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:
Dec. 20, 2016
Filed:
Feb. 03, 2014
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Mitsubishi Engineering-plastics Corporation, Minato-ku, JP;
Tatsuya Hitomi, Kitakyushu, JP;
Ryouhei Nishihara, Hiratsuka, JP;
Kiyotaka Hirano, Yokkaichi, JP;
Yoshitaka Shiraishi, Kitakyushu, JP;
Masanori Yamamoto, Kitakyushu, JP;
Tomonari Yokoyama, Hiratsuka, JP;
Masahide Shidou, Yokkaichi, JP;
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Mitsubishi Engineering-Plastics Corporation, Minato-ku, JP;
Abstract
To provide a polycarbonate resin laminate having the surface hardness remarkably improved and being excellent in color and impact resistance. A polycarbonate resin laminate which comprises at least a surface layer (A) and a resin layer (B) and is characterized by satisfying the following conditions: (i) the surface layer (A) is a layer made of a polycarbonate resin composition which comprises at least a polycarbonate resin (a) having at least structural units represented by the following formula (1) and a polycarbonate resin (b) having structural units different from the polycarbonate resin (a), (ii) the mass ratio of the polycarbonate resin (a) to the polycarbonate resin (b) in the surface layer (A) is within a range of from 45:55 to 99:1, and (iii) the pencil hardness of the polycarbonate resin laminate as specified by ISO 15184 and measured from the surface layer (A) side is at least H: