RESEARCH IN HIGH-ENERGY OXIDIZERS.
Abstract
An extensive study of the system F2NCFO-KF has uncovered a series of unusual salts including (F2N)2 CFOK and (F2N)3COK. These salts were characterized through F(19)n.m.r. analysis, hydrolyses, and synthesis. The chemistry of these salts reveals them to be sensitive to moisture because HNF2 is readily liberated from them with H2O. The complex (F2N)2CFOK was shown to be the precursor to tetrafluorourea, (F2N)2CO. The displacement of (F2N)2CO was effected using the Lewis acids (CF3)3PF2 and BF3. One of the salts, (F2N)2CFOK, forms a stable complex with BF3 and has the composition (F2N)2CFOBF3(-)K(+). The static bed fluorination of F2NCF2OK gave high yields of CF3OF and NF3. Some moderation was achieved through solution fluorinations in CH3CN, the products being CF2O and NF3. The action of IF7 on F2NCF2OK produced CF2O and N2F4. A mechanism is proposed for the fluorination of the salt F2NCF2OK. The chemistry of difluoroaminoxycarbonyl fluoride (DCF), FCO2NF2, was further studied. Difluoroaminoxycarbonyl fluoride was found to be compatible with both CH3CN and CH3NO2. Complexing reactions were initiated with KF with some evidence of reaction, other than decomposition, being observed. The definition of all the problems in handling FCO2NF2 is not complete because unexpected degradations still occur. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1967
- Accession Number
- AD0380191
Entities
People
- D. Pilipovich
- M. Warner
- R. D. Wilson
- W. Maya
Organizations
- Rocketdyne