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Patent Abstracts

*5/3/2013 
from 3/6/2013

Maro Topics

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Patent Abstracts

1. Open Porosity

U.S. Patent 8,410,186 (April 2, 2013),”Process for Manufacturing Porous Epoxy with Open Pores and Porous Epoxy made therefrom,”  Kuo-Chung Cheng, Yu-Shun Luo, Ching-Lin Wu, Chiu-Ya Wang, and Yi-Min Chang (National Taipei University of Technology, Taipei, Taiwan).

Porous polymers have been found useful in many applications such as coatings, adhesives and composites due to low shrinkage, good chemical resistance, low dielectric constant and outstanding adhesion.  Porous epoxies with closed cells are easily formed but stable open and connected epoxy foams are difficult to form.  For some applications, open porosity is preferred.  Cheng et al developed an open porous epoxy network such as a porous epoxy membrane. The membrane is formed by casting a reactant solution of an epoxy resin, a solvent and a curing agent.  The cast membrane is first cured to form a gel.  A second cure removes the solvent resulting in a porous epoxy network with open pores.  The curing agent is a tertiary amine.

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Interested!!
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(RDC 6/5/2012)

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Roger D. Corneliussen
Editor
www.maropolymeronline.com

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

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Copyright 2013 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 3/6/2013.