| 摘要 |
Copolymers of carbon monoxide with carbonylic compounds having all of the groups AND A PROCESS FOR MAKING THESE COPOLYMERS WHICH INVOLVES REACTING UNDER ANHYDROUS CONDITIONS, CARBON MONOXIDE AND FORMALDEHYDE MONOMER, LINEAR POLYMERS THEREOF OR TRIOXANE IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP OF CATIONIC CHLORINATED AND FLUORINATED DERIVATIVES OF AN ELEMENT SELECTED FROM THE GROUPS III, IV, V and VIII of the Periodic Table, at a temperature between about -110 DEG C and +250 DEG C under a pressure of about 30 to 5,000 atm. to produce a polymer consisting essentially of all of the structural units:
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