Maro Publications

Polyimides

Patent Abstracts

*4/23/2013
from 10/4/2012

Maro Topics

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Patents with Abstracts

1. 8,277,605 
Thermosetting solution composition and prepreg   

Yamaguchi and Aoki of Ube Industries, Ltd., Japan,  developed a thermosetting solution of a biphenyltetracarboxylic acid containing a partial lower aliphatic alkyl ester of 2,3,3',4'-biphenyltetracarboxylic acid and/or a partial lower aliphatic alkyl ester of 2,2',3,3'-biphenyltetracarboxylic acid, an aromatic diamine compound in a molar amount larger than a molar amount of the biphenyltetracarboxylic acid compound, a partial lower aliphatic alkyl ester of 4-(2-phenylethynyl)phthalic acid compound in a molar amount as much as 1.8-2.2 times a molar amount corresponding to a difference between the molar amount of the aromatic diamine compound and the molar amount of the biphenyltetracarboxylic acid compound, and an organic solvent composed of a lower aliphatic alcohol is of value for manufacture of a prepreg. (RDC 10/4/2012)

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Interested!!
Bookmark this page to follow future developments!.
(RDC 6/5/2012)

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Roger D. Corneliussen
Editor
www.maropolymeronline.com

Maro Polymer Links
Tel: 610 363 9920
Fax: 610 363 9921
E-Mail: cornelrd@bee.net  

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Copyright 2012 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or forwarded by electronic mail without the express written permission of Roger D. Corneliussen
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** Date of latest addition; date of first entry is 10/4/2012.