Claims
- 1. An organolithium compound having the formula: ##STR18## wherein the moiety ##STR19## is a cyclic amino group where R.sub.1 is a divalent alkylene group that has from 6 to about 20 carbon atoms; R.sub.2 is a linear-, branched-, or cyclo-alkylene having from about 2 to about 20 carbon atoms; R.sub.3 is selected from the group consisting of a tertiary amino group having from 1 to about 12 carbon atoms, an alkyl group having from 1 to about 12 carbon atoms, an aryl group having from about 6 to about 20 carbon atoms, an aralkyl group having from about 7 to about 20 carbon atoms, an alkenyl group having from about 2 to about 12 carbon atoms, a cycloalkyl group having from about 5 to about 20 carbon atoms, a cycloalkenyl group having from about 5 to about 20 carbon atoms, a bicycloalkyl group having from about 6 to about 20 carbon atoms, and a bicycloalkenyl group having from about 6 to about 20 carbon atoms, n is an integer of from 0 to about 10; and the lithium, Li, is bonded directly to a carbon atom of R.sub.2.
- 2. An organolithium compound, as set forth in claim 1, where R.sub.1 has from about 6 to about 12 carbon atoms.
- 3. An organolithium compound, as set forth in claim 1, where R.sub.2 has from about 3 to about 12 carbon atoms.
- 4. An organolithium compound, as set forth in claim 1, where n is an integer from 1 to 10.
- 5. An anionic polymerization initiator for the polymerization of diene polymer and copolymer elastomers having reduced hysteresis loss characteristics, comprising:
- a cyclic amine compound having the formula: ##STR20## wherein the moiety ##STR21## is a cyclic amine group where R.sub.1 is a divalent alkylene group that has 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; R.sub.3 is selected from the group consisting of a tertiary amino group having from 1 to about 12 carbon atoms, an alkyl group having from 1 to about 12 carbon atoms, an aryl group having from about 6 to about 20 carbon atoms, an aralkyl group having from about 7 to about 20 carbon atoms, an alkenyl group having from about 2 to about 12 carbon atoms, a cycloalkyl group having from about 5 to about 20 carbon atoms, a cycloalkenyl group having from about 5 to about 20 carbon atoms, a bicycloalkyl group having from about 6 to about 20 carbon atoms, and a bicycloalkenyl group having from about 6 to about 20 carbon atoms, n is an integer of from 0 to about 10, and the lithium, Li, is bonded directly to a carbon atom of R.sub.2.
- 6. An anionic polymerization initiator, as set forth in claim 5, where R.sub.1 has from about 6 to about 12 carbon atoms.
- 7. An anionic polymerization initiator, as set forth in claim 5, where R.sub.2 has from about 3 to about 12 carbon atoms.
- 8. An anionic polymerization initiator, as set forth in claim 5, where n is an integer from 1 to 10.
Parent Case Info
This application is a continuation of application Ser. No. 08/382,477, filed Feb. 1, 1995 now U.S. Pat. No. 5,496,940.
US Referenced Citations (55)
Foreign Referenced Citations (1)
Number |
Date |
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0 067 111 A2 |
May 1982 |
EPX |
Continuations (1)
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Parent |
382477 |
Feb 1995 |
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