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    
Applicant(s) Name  Changchun Inst of Applied Chemistry, Chinese Academy of Sciences  
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.