Original document(6 pages)  中文版
    The invention discloses a manufacture method for PPTA that contains 2,4-2(4-amino phenyl)-2, 3dinitrogen phenodiazine-1-detone. It includes the following steps: adding solvent into polymerization reactor, whisking, adding alkali halide, adding 2,4-2(4-amino phenyl)-2, 3dinitrogen phenodiazine-1-detone and p-phenylene diamine; adding paraphthaloyl chloride that has the thickness of 0.3-0.4 mol/l, whisking, keeping reacting at -10-80 degree centigrade for 30-120 minutes; neutralizing by Ca(OH)2 to gain concentrated PPTA solution. The invention has simple technology, low cost, is easy to purity. It could be used in navigation, high capability compounding material, high temperature resistant film and corresponding fabric.
Application Number
申请号
200510112181 Application Date
申请日
2005.12.29
Title 名称 PPTA containing 2,4 di (4-amino phenyl)-2,3-diaza naphthalene-1-one and preparation process thereof
Publication Number
公开号
1793199 Publication Date
公开日
2006.06.28
Approval Pub. Date Granted Pub. Date
International Classification 分类号 C08G69/14,C08K3/16
Applicant(s) Name
申请人
Donghua Univ.
Address 地址 201620
Inventor(s) Name 发明人 Li Congjie, Li Guowei, Liu Zhaofeng
Attorney & Agent 代理人 zhang zhumei

  
2, 4-di (4-aminophenyl)-2, 3-benzodiazine-1-one and its synthesizing method
Process for synthesizing 2-(4'-amino benzoyl) benzoic acid
Negative polyimide photosensitive material and preparation process thereof
Water radical developing copolymerized type photosensitive polyimide material and preparation process thereof
Tech., for polymerizing fibre grade polyphenyl sulfoether resin
Fluorine contained silicon dioxide hybridized material and preparation process thereof
Process for preparing polyphenylethylene/tin dioxide nucleic shell microball
Precess for preparing non-fluorine proton exchanging membrane mixed with silicon dioxide
Compound additives for polyethylene packign film
Silicomethane coupling agent containing cyanide and secondary amino and its preparation process and application thereof
Google
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.