Claims
- 1. A solution particularly suited for the initiation of polymerizing of vinyl group containing compounds which are polymerizable in the presence of a lithium containing catalyst, particularly vinyl hydrocarbon compounds, the solution comprising a major portion of a solvent selected from the group consisting of liquid aliphatic, cycloaliphatic and aromatic hydrocarbons and mixtures thereof and a minor proportion of a multifunctional lithium containing polymerization initiating compound of the Formula: ##STR35## wherein R.sub.1 is individually selected from the group consisting of hydrogen, an alkyl hydrocarbon radical, a cycloalkyl hydrocarbon radical, alkoxy radical, and an aromatic radical with the further limitation that R.sub.1 contains from 0 to 16 carbon atoms;
- R.sub.2 is a divalent organic radical having at least 6 carbon atoms, R.sub.2 having at least one aromatic ring, the aromatic ring being directly attached to the carbon which is attached to the aromatic ring in the above formula, with the further limitation R.sub.2 contains carbon and hydrocarbon, and optionally oxygen or sulfur, oxygen and sulfur when present are present only in the configuration of a diphenyl oxide or diphenyl sulfide,
- R.sub.3 is selected from the group consisting of alkyl, cycloalkyl, and aromatic radicals containing from 1 to 20 carbon atoms; and
- R.sub.4 and R.sub.5 are individually selected from the group consisting of chemically combined units of 1,3-butadiene, isoprene and mixtures thereof where n+m is at least 20.
- 2. The solution of claim 1 wherein R.sub.2 contains from 6 to 12 carbon atoms.
- 3. The solution of claim 2 wherein R.sub.2 is a 1,4-phenylene radical.
- 4. The solution of claim 2 wherein R.sub.2 is a 4,4'-biphenylene radical.
- 5. The solution of claim 2 wherein R.sub.2 is a 4,4'-oxybisphenylene radical.
- 6. The solution of claim 1 wherein R.sub.3 is a secondary butyl radical.
- 7. The solution of claim 1 wherein the multifunctional lithium containing compound is 1,4-phenylenebis-(3-methyl-1-phenylpentylidene)bis(lithium).
- 8. The solution of claim 1 wherein the multifunctional lithium containing compound is (1,1'-biphenyl)-4,4'diylbis(3-methyl-1-phenylpentylidene)bis(lithium).
- 9. The solution of claim 1 wherein the multifunctional lithium containing compound is oxydi-4,1-phenylenebis(3-methyl-1-phenylpentylidene)bis(lithium).
- 10. The solution of claim 1 wherein the multifunctional lithium containing compound is (1-methylethylidene)bis-[4,1-phenylene(3-methyl-1-phenylpentylidene)]bis(lithium).
- 11. A solution particularly suited for the initiation of polymerizing of vinyl group containing compounds which are polymerizable in the presence of a lithium containing catalyst, particularly vinyl hydrocarbon compounds, the solution comprising a major portion of a solvent selected from the group consisting of liquid aliphatic, cycloaliphatic and aromatic hydrocarbons and mixtures thereof and a minor proportion of a multifunctional lithium containing polymerization initiating compound of the Formula: ##STR36## wherein R.sub.1 is individually selected from the group consisting of hydrogen, an alkyl hydrocarbon radical, a cycloalkyl hydrocarbon radical, alkoxy radical, and an aromatic radical with the further limitation that R.sub.1 contains from 0 to 16 carbon atoms;
- R.sub.2 is a divalent organic radical having at least 6 carbon atoms, R.sub.2 having at least one aromatic ring, the aromatic ring being directly attached to the carbon which is attached to the aromatic ring in the above formula, with the further limitation R.sub.2 contains carbon and hydrocarbon, and optionally oxygen or sulfur, oxygen and sulfur when present are present only in the configuration of a diphenyl oxide or diphenyl sulfide, with the further limitation that R.sub.4 and R.sub.5, where n+m is at least 20, are formed by the contact of a compound of the Formula: ##STR37## and butadiene isoprene and mixtures thereof.
- 12. The solution of claim 11 wherein R.sub.2 contains from 6 to 12 carbon atoms.
- 13. The solution of claim 12 wherein R.sub.2 is a 1,4-phenylene radical.
- 14. The solution of claim 12 wherein R.sub.2 is a 4,4'-biphenylene radical.
- 15. The solution of claim 12 wherein R.sub.2 is a 4,4'-oxybisphenylene radical.
- 16. The solution of claim 11 wherein R.sub.3 is a secondary butyl radical.
- 17. The solution of claim 11 wherein the multifunctional lithium containing compound is 1,4-phenylenebis(3-methyl-1-phenylpentylidene)bis(lithium).
- 18. The solution of claim 11 wherein the multifunctional lithium containing compound is (1,1'-biphenyl)-4,4'diylbis(3-methyl-1-phenylpentylidene)bis(lithium).
- 19. The solution of claim 11 wherein the multifunctional lithium containing compound is oxydi-4,1-phenylenebis(3-methyl-1-phenylpentylidene)bis(lithium).
- 20. The solution of claim 11 wherein the multifunctional lithium containing compound is (1-methylethylidene)bis-[4,1-phenylene(3-methyl-1-phenylpentylidene)]bis(lithium).
Parent Case Info
This is a divisional of application Ser. No. 859,356, filed Dec. 12, 1977, which is a continuation-in-part of application Ser. No. 601,577, filed Aug. 1, 1975.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
3725368 |
Morrison et al. |
Apr 1973 |
|
4020251 |
Hsiek |
Apr 1977 |
|
4067917 |
Sigwalt et al. |
Jan 1978 |
|
Non-Patent Literature Citations (1)
Entry |
Paper by Tung et al., Aug. 1978, "Macromolecules-Dililithium Anionic Initiators". |
Divisions (1)
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Number |
Date |
Country |
Parent |
859356 |
Dec 1977 |
|
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
601577 |
Aug 1975 |
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