Process for preparing solution of polyimid-base resin


Application Number  00128254 Application Date  2000.12.14
Publication Number  1306024 Publication Date  2001.08.01
Priority Information    
International
Classification
 C08G73/10  
Applicant(s) Name  Changchun Inst of Applied Chemistry, Chinese Academy of Sciences  
Address    
Inventor(s) Name  Wang Zhen;Ding Mengxian  
Patent Agency Code  22001 Patent Agent  cao guizhen
AbstractA polyimide-base resin solution used for dipping fibres is prepared from dimethyl diphenylbutyrate, diamine and terminating agent through reaction while stirring in the mixture of alcohol and water at ordinary time -60 deg.C under the protection of nitrogen gas for 4 hrs. Its advantages are non-toxic solvent, high content of solid and low viscosity.