Anionic polymerization of cis-and trans-1,3- pentadiene from a mixture of saturated and unsaturated hydrocarbons

Patent · Tue Dec 04 04:00:00 EST 1984

OSTI ID:6015813

Donate, F A; Bozzelli, J W; Dennis, K S

1,3-pentadiene is polymerized from a mixture of saturated and unsaturated hydrocarbon compounds, the compounds having primarily 5 carbon atoms per molecule, with an anionic polymerization initiator. The mixture of saturated and unsaturated hydrocarbon compounds is contacted, in an inert atmosphere, with an anionic polymerization initiator to form a reaction mixture. The anionic polymerization initiator is present in an amount sufficient to inactivate polymerization-terminating compounds present in the mixture and to initiate polymerization of 1,3-pentadiene from the mixture. The reaction mixture is heated with stirring to a temperature sufficient to inactivate the polymerization terminating compounds. After inactivation of the polymerization terminating compounds, the reaction mixture is then heated with stirring to a temperature sufficient to initiate polymerization of 1,3-pentadiene from the reaction mixture. Polymer recovery and subsequent functionalization, if any, follow thereafter.

• Assignee: The Dow Chemical Co.
• Patent Number(s): US 4486614
• OSTI ID: 6015813
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
CHEMICAL REACTIONS
DIENES
HYDROCARBONS
MOLECULAR STRUCTURE
ORGANIC COMPOUNDS
PENTADIENES
POLYENES
POLYMERIZATION
POLYMERS
PRODUCTION
RECOVERY