Accession Number : AD0766745

Title :   Synthesis of New Low Temperature Petroleum-Resistant Elastomers. Part II.

Descriptive Note : Final technical rept. 4 Mar 72-3 Mar 73,

Corporate Author : HORIZONS RESEARCH INC CLEVELAND OHIO

Personal Author(s) : Reynard,Kennard A. ; Sicka,Richard W. ; Rose,Selwyn H.

Report Date : JUN 1973

Pagination or Media Count : 38

Abstract : OLUBILITY, ORGANIC PHOSPHORUS COMPOUNDS, CROSSLINKING(CHEMISTRY), MECHANICAL PROPERTIES, COPOLYMERIZATION, TRANSITION TEMPERATURE, NUCLEAR MAGNETIC RESONANCECHEMICAL ATTACK(DEGRADATION), RESISTANCE, SOLVENT RESISTANCE, FLUORINATED POLYMERS, COPOLYMERSLarge scale preparations of the ((CF3CH2O)2PN-(HCF2C3F6CH2O)2PN)n elastomer and the ((C3F7CH2O)2PN)n plastic are described. Limited compounding and processing studies for these materials are described. In an effort to alter vulcanizate properties, two elastomeric terpolymers, one containing (H2C=CHC2H4O)xPN and the other containing (CH3CH(OH)C2H4O)xPN, were prepared and two different synthetic routes were employed. Several process studies and exploratory syntheses were undertaken. The influence of water on the formation of ((CF3CH2O)2PN-(HCF2C3F6CH2O)2PN)n was investigated. The formation of this polymer by sequential addition of the fluoroalkoxides to the (Cl2PN)n solution also was studied. A ((CF3CHFCF2CH2O)2PN)n plastic and a ((CF3CH2O)2PN-(CF3CHFCF2CH2O)2PN)n elastomer were prepared. (Modified author abstract)

Descriptors :   (*ELASTOMERS, *LOW TEMPERATURE), (*INORGANIC POLYMERS, ELASTOMERS), FLUORINE COMPOUNDS, HALOCARBON PLASTICS, SYNTHESIS(CHEMISTRY), SOLUBILITY, ORGANIC PHOSPHORUS COMPOUNDS, CROSSLINKING(CHEMISTRY), MECHANICAL PROPERTIES, COPOLYMERIZATION, TRANSITION TEMPERATURE, NUCLEAR MAGNETIC RESONANCE

Subject Categories : Polymer Chemistry
      Elastomers and Rubber

Distribution Statement : APPROVED FOR PUBLIC RELEASE