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:
Sep. 20, 2016
Filed:
Dec. 07, 2011
Hironori Matsumoto, Funabashi, JP;
Hirotaka Uosaki, Selangor, MY;
Koji Kitahara, Ichihara, JP;
Yuji Sawada, Sodegaura, JP;
Hironori Matsumoto, Funabashi, JP;
Hirotaka Uosaki, Selangor, MY;
Koji Kitahara, Ichihara, JP;
Yuji Sawada, Sodegaura, JP;
MITSUI CHEMICALS, INC., Tokyo, JP;
Abstract
It is an object of the present invention to provide a modified polypropylene composition for forming laminates, which enables prevention of lowering of interlaminar bond strength even in the case where it is subjected to high-speed molding or subjected to stretch molding, and a laminate using the composition and having excellent interlaminar bond properties. The present invention relates to a modified polypropylene composition comprising a propylene-based polymer (A-1), 0 to 45% by weight of a propylene-based polymer (A-2), an ethylene/α-olefin copolymer (B) having a melt flow rate (MFR; ASTM D1238, 230° C., load of 2.16 kg) of 0.01 to 40 g/10 min and a density (ASTM D1505) of not more than 0.900 g/cm, and a specific amount of modified polypropylene (C) a part or all of which has been graft-modified with an unsaturated carboxylic acid or a derivative thereof.