A polyimide resin having phenolic hydroxyl radicals in its skeleton is prepared using a diamine bearing an aromatic ring having an amino radical attached thereto and another aromatic ring having a phenolic hydroxyl radical. The polyimide resin and a composition comprising the polyimide resin, an epoxy resin and a curing agent are suited for use as varnish, adhesive and adhesive film for which adhesion and heat resistance are required.

 
Web www.patentalert.com

< Biological compositions and methods for treatment of lung cancer

< Biological compositions and methods for treatment of cervical cancer

> Use of odor reducing and cross-adapting agents to reduce animal waste malodors

> Process for polymerizing cationically polymerizable monomers

~ 00211