logo

For the Inventor, By the Inventor

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.:

US 11078355 B1

PDFFull Text
Date of Patent:
Aug. 03, 2021

Filed:

Sep. 25, 2017

(meth)acrylic copolymer, resin composition, molded body of same, and method for producing molded body

Applicant:

Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;

Inventors:

Kazuki Kouno, Kanagawa, JP;

Hisayuki Kuwahara, Kanagawa, JP;

Assignee:

MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;

Attorney:

Greenblum & Bernstein, P.L.C.

Primary Examiner:

David J Buttner

Int. Cl.
CPC ...
C08L 69/00 (2006.01); C08L 33/12 (2006.01); C08L 33/14 (2006.01); C08F 220/14 (2006.01); C08F 220/36 (2006.01); C08K 5/13 (2006.01); C08K 5/524 (2006.01); B29C 45/00 (2006.01); C08K 5/3492 (2006.01); C08K 5/3475 (2006.01); C08K 5/357 (2006.01); C08L 33/04 (2006.01); C08L 33/06 (2006.01); B29K 33/00 (2006.01);
U.S. Cl.
CPC ...
C08L 33/14 (2013.01); B29C 45/0001 (2013.01); C08F 220/14 (2013.01); C08F 220/36 (2013.01); C08K 5/13 (2013.01); C08K 5/3475 (2013.01); C08K 5/3492 (2013.01); C08K 5/357 (2013.01); C08K 5/524 (2013.01); C08L 33/04 (2013.01); C08L 33/066 (2013.01); C08L 33/12 (2013.01); C08L 69/00 (2013.01); B29K 2033/08 (2013.01); B29K 2033/12 (2013.01);
Abstract

Provided is a resin composition which is capable of forming a molded body that has excellent surface hardness, transparency, hue and weather resistance, while exhibiting excellent wet heat resistance. A resin composition which contains a (meth)acrylic copolymer (A) and a polycarbonate-based resin (B), and wherein: the (meth)acrylic copolymer (A) contains an aromatic (meth)acrylate unit (a1), a methyl (meth)acrylate unit (a2) and a (meth)acrylate unit (a3) represented by formula (1); the mass ratio (a1)/(a2) is from 5/95 to 85/15; the content of the unit (a3) is 0.1-10 parts by mass relative to 100 parts by mass of the total of the units (a1) and (a2); and the unit (a1) is different from the unit (a3).

Find Patent Forward Citations

Loading…