Synthesis of Phosphonitrilic Plastics and Elastomers for Marine Applications
Abstract
Osphonitrile chlorides, *polymerization), phosphorus compounds, thermoplastic resins, plastic coatings, electrical properties, deterioration, copolymerization, halocarbon plastics, solvent action, chlorine compounds, bromine compounds, filmschemical attack(degradation), resistance, *phosphazene, *phosphonitrilic plastics, smokeEleven different, flame-retardant, relatively inexpensive poly(aryloxy- phosphazenes) were prepared. The poly(aryloxphosphazenes) displayed high flame retardancy in the unfilled, uncured state. Limiting Oxygen Index values varied from 27 to 33 for nonhalogenated materials and from 38 to 65 for halogenated materials. The three poly(aryloxyphosphazenes) tested performed very well in the NBS smoke test and the National Electrical Manufacturers test (ASTM D229). Dielectric properties compared favorably with polyvinyl chloride and polyethylene. Ten of the materials were plastics which were good film formers and most films were flexible, strong and oriented upon drawing. The poly(alkylaryl- oxphosphazenes) had wider solubility than the poly(haolaryloxyphosphazenes). In general, the polymers showed good chemical resistance to acids and bases.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1972
- Accession Number
- AD0755188
Entities
People
- Arthur H. Gerber
- Kennard A. Reynard
- Selwyn H. Rose