Claims
- 1. A method of preparing a polymer comprising:
- preparing a solution of one or more anionically polymerizable monomers in a solvent; and, polymerizing under effective conditions, said monomers in the presence of a polymerization initiator having the formula ##STR14## wherein R.sub.1 is a divalent alkylene, an oxy- or amino-alkylene having from 6 to about 20 carbon atoms; and, R.sub.2 is a linear-, branched-or cyclo-alkylene having from about 2 to about 20 carbon atoms, Li is a lithium atom bonded directly to a carbon atom of R.sub.2 ; and R.sub.3 is a tertiary amino, an alkyl having from about 1 to about 12 carbon atoms; an aryl having from about 6 to about 20 carbon atoms; an aralkyl having from about 7 to about 20 carbon atoms; an alkenyl having from about 2 to about 12 carbon atoms; a cycloalkyl having from about 5 to about 20 carbon atoms; d cycloalkenyl having from about 5 to about 20 carbon atoms; a bicycloalkyl having from about 6 to about 20 carbon atoms; and, a bicycloalkenyl having from about 6 to about 20 carbon atoms; where n is an integer of from 0 to about 10.
- 2. A vulcanizable elastomer composition prepared by compounding a polymer prepared according to claim 1 and further comprising from about 5 to 80 parts by weight of carbon black, per 100 parts of said polymer.
- 3. A tire having at least one component selected from the group consisting of treads, subtreads, black sidewalls, body ply skims and bead fillers, wherein said component is formed from a vulcanizable elastomer composition according to claim 2.
- 4. A method of preparing a polymer comprising:
- preparing a solution of one or more anionically polymerizable monomers in an alkane solvent; and, polymerizing under effective conditions, said monomers in the presence of a polymerization initiator having the formula ##STR15## R.sub.2 is a linear-, branched-, or cyclo-alkylene having from about 2 to about 20 carbon atoms; R.sub.3 is a tertiary amino, an alkyl having from about 1 to about 12 carbon atoms; an aryl having from about 6 to about 20 carbon atoms; an aralkyl having from about 7 to about 20 carbon atoms; an alkenyl having from about 2 to about 12 carbon atoms; a cycloalkyl having from about 5 to about 20 carbon atoms; a cycloalkenyl having from about 5 to about 20 carbon atoms; a bicycloalkyl having from about 6 to about 20 carbon atoms; and, a bicycloalkenyl having from about 6 to about 20 carbon atoms; where n is an integer of from 0 to about 10; and, R.sub.5 is selected from the group consisting of a divalent alkylene, an oxy- or amino-alkylene, having from 6 to about 20 carbon atoms, and a substituted nitrogen having the general formula R.sub.6 N where R.sub.6 is selected from the group consisting of an alkyl having from 1 to about 12 carbon atoms; a cycloalkyl having from about 5 to about 20 carbon atoms; an aryl having from about 6 to about 20 carbon atoms; and, an aralkyl having from 7 to about 20 carbon atoms; and mixtures thereof, with the limitation that said initiator has from 2 to about 4 nitrogen atoms and a total of from 6 to about 24 atoms in the ring structure thereof containing R.sub.5, and the lithium atom, Li, is directly bonded to a carbon atom of R.sub.2.
- 5. A vulcanizable elastomer composition prepared by compounding a polymer prepared according to claim 4 and further comprising from about 5 to 80 parts by weight of carbon black, per 100 parts of said polymer.
- 6. A tire having at least one component selected from the group consisting of treads, subtreads, black sidewalls, body ply skims and bead fillers, wherein said component is formed from a vulcanizable elastomer composition according to claim 5.
- 7. A method of preparing a polymer, as set forth in claim 4, wherein said initiator has the general formula ##STR16## wherein R.sub.3 is a tertiary amino, an alkyl having from about 1 to about 12 carbon atoms; an aryl having from about 6 to about 20 carbon atoms; an aralkyl having from about 7 to about 20 carbon atoms; an alkenyl having from about 2 to about 12 carbon atoms; a cycloalkyl having from about 5 to about 20 carbon atoms; a cycloalkenyl having from about 5 to about 20 carbon atoms; a bicycloalkyl having from about 6 to about 20 carbon atoms; and, a bicycloalkenyl having from about 6 to about 20 carbon atoms; where n is an integer of from 0 to about 10.
- 8. A method of preparing a polymer, as set forth in claim 7, where R.sub.2 has from about 3 to about 12 carbon atoms.
- 9. A method of preparing a polymer, as set forth in claim 1, where R.sub.1 has from about 6 to about 12 carbon atoms.
- 10. A method of preparing a polymer, as set forth in claim 1, where R.sub.2 has from about 3 to about 12 carbon atoms.
Parent Case Info
This application is a division of application Ser. No. 08/382,358, filed Feb. 1, 1995 now U.S. Pat. No. 5,574,109.
US Referenced Citations (48)
Foreign Referenced Citations (1)
Number |
Date |
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0 067 111 A2 |
May 1982 |
EPX |
Divisions (1)
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Number |
Date |
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Parent |
382358 |
Feb 1995 |
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