Claims
- 1. A process for the preparation of an ethylene polymer comprising a recurring unit represented by the formula
- in which R is a divalent hydrocarbon group containing 2 to 20 carbon atoms and A is a polyethylene segment comprising a recurring unit represented by the formula --CH.sub.2.CH.sub.2 -- and having a number average molecular weight (Mn) of 300 to 300,000, and the ethylene polymer having a number average molecular weight (Mn) of 500 to 5,000,000 which comprises the polycondensation of an ethylene polymer (I) comprising a recurring unit represented by --CH.sub.2.CH.sub.2 -- and having ##STR46## at both the ends and an Mn of 300 to 300,000 with a compound (II) represented by the formula YO--R--OY, in which X is --OH or --OR.sup.1, Y is a hydrogen atom or ##STR47## R.sup.1 is a hydrocarbon group containing 1 to 5 carbon atoms, R.sup.4 is a hydrocarbon containing 1 to 5 carbon atoms, and R has the same meaning as described above, the polycondensation being carried out at 50.degree. to 250.degree. C. for 1 hour to 100 hours and in the presence of a catalyst selected from the group consisting of titanium-tetrapropoxide, titaniumtetrabutoxide and titaniumtetrahexyloxide.
- 2. A process for the preparation of an ethylene polymer comprising a recurring unit represented by the formula ##STR48## in which R' is a divalent hydrocarbon group containing 1 to 20 carbon atoms and A is a polyethylene segment comprising a recurring unit represented by the formula --CH.sub.2.CH.sub.2 -- and having a number average molecular weight (Mn) of 300 to 300,000, and the ethylene polymer having a number average molecular weight (Mn) of 500 to 5,000,000 which comprises the polycondensation of an ethylene polymer (I') comprising a recurring unit represented by --CH.sub.2.CH.sub.2 -- and having X'O- group at both the ends and an Mn of 300 to 300,000 with a compound (II') represented by the formula ##STR49## in which X' is a hydrogen atom or SiR.sup.1'.sub.3, Y' is --OR.sup.3' or a halogen atom, R.sup.1', and R.sup.3' are hydrocarbon groups each containing 1 to 5 carbon atoms, and R' has the same meaning as described above, the polycondensation being carried out at 50.degree. to 250.degree. C. for 1 hour to 100 hours and in the presence of a catalyst selected from the group consisting of titanium-tetrapropoxide, titaniumtetrabutoxide and titaniumtetrahexyloxide.
- 3. The process as claimed in claim 1, wherein the ethylene polymer (I) in which X is --OH in ##STR50## is produced by polymerizing ethylene in the presence of a dilithio compound formed by reaction of a diolefin compound (III) represented by the formula, H.sub.2 C.dbd.CR.sup.3 --R.sup.4 --CR.sup.3 .dbd.CH.sub.2 wherein R.sup.3 is a hydrocarbon group containing 1 to 10 carbon atoms and R.sup.4 is a divalent hydrocarbon group containing 1 to 20 carbon atoms, with an organolithium compound (IV), and a diamine compound (V), then reacting with carbon dioxide, and further reacting with a proton donor.
- 4. The process as claimed in claim 1, wherein the ethylene polymer (I) in which X is --OR.sup.1 in ##STR51## is produced by polymerizing ethylene in the presence of a dilithio compound formed by reaction of a diolefin compound (III) represented by the formula, H.sub.2 C.dbd.CR.sup.3 --R.sup.4 --CR.sup.3 .dbd.CH.sub.2 wherein R.sup.3 is a hydrocarbon group containing 1 to 10 carbon atoms and R.sup.4 is a divalent hydrocarbon group containing 1 to 20 carbon atoms, with an organolithium compound (IV), and a diamine compound (V), then reacting with carbon dioxide, further reacting with a proton donor and then reacting with an alcohol represented by R.sup.1 OH wherein R.sup.1 is a hydrocarbon group containing 1 to 5 carbon atoms.
- 5. The process as claimed in claim 3 or 4, wherein the reaction of the diolefin compound (III) with the organolithium compound (IV) is carried out in the presence of an organic solvent.
- 6. The process as claimed in claim 3 or 4, wherein the compound (IV) to the compound (III) molar ratio is in the range of 0.1 to 30.
- 7. The process as claimed in claim 3 or 4, wherein the diamine compound (V) is represented by the formula R.sup.6.sub.2 N--R.sup.7 --N R.sup.6.sub.2 wherein R.sup.6 is a hydrocarbon group containing 1 to 5 carbon atoms and R.sup.7 is a divalent hydrocarbon group containing 1 to 10 carbon atoms.
- 8. The process as claimed in claim 3 or 4, wherein the diamine compound (V) is used in a proportion of 0.1 to 20 moles to 1 mole of the diolefin compound (III).
- 9. The process as claimed in claim 3 or 4, wherein the proton donor is at least one member selected from the group contrasting of water, methanol, ethanol, propanol, hydrochloric acid, nitric acid and sulfuric acid.
- 10. The process as claimed in claim 1, wherein the polycondensation of the ethylene polymer (I) with the compound (II) is carried out in the presence of a solvent.
- 11. The process as claimed in claim 2, wherein the ethylene polymer (I') in which X' in X'O-- is a hydrogen atom is produced by polymerizing ethylene in the presence of a reaction product of a polymerization catalyst consisting of a vanadium chelate compound and dialkylaluminum halide, and an .omega.,.omega.'-diolefin compound containing 5 to 20 carbon atoms, reacting with the diolefin compound, then reacting with a proton donor and hydroxylating the resulting ethylene polymer (III') having vinyl groups at both the ends thereof.
- 12. The process as claimed in claim 2, wherein the ethylene polymer (I') in which X' in X'O-- is --SiR.sup.1'.sub.3 wherein R.sup.1' is a hydrocarbon group containing 1 to 5 carbon atoms is produced by polymerizing ethylene in the presence of a reaction product of a polymerization catalyst consisting of a vanadium chelate compound and dialkylaluminum halide, and a .omega.,.omega.'-diolefin compound containing 5 to 20 carbon atoms, reacting with the diolefin compound, then reacting with a proton donor, hydroxylating the resulting ethylene polymer (III') having vinyl groups at both the ends thereof and reacting the hydroxylated ethylene polymer with a silane compound represented by R.sup.1'.sub.3 SiY' wherein R.sup.1' has the same meaning as described above and Y' is a halogen atom.
- 13. The process as claimed in claim 11 or 12, wherein the vanadium chelate compound and dialkylaluminum halide are present in a proportion of 1 to 1000 moles of the dialkylaluminum halide to 1 mole of the vanadium chelate compound.
- 14. The process as claimed in claim 11 or 12, wherein the .omega.,.omega.'-diolefin compound is represented by the formula H.sub.2 C.dbd.CH (--C.sub.m H.sub.2m --) CH--CH.sub.2 wherein m is 1 to 15.
- 15. The process as claimed in claim 11 or 12, wherein the reaction of the polymerization catalyst and diolefin compound is carried out in the presence of a solvent.
- 16. The process as claimed in claim 11 or 12, wherein the reaction ratio of the polymerization catalyst and diolefin compound is so adjusted that the vanadium compound in the polymerization catalyst is in a proportion of 0.1 to 10 moles per 1 mole of the diolefin compound.
- 17. The process as claimed in claim 11 or 12, wherein the proton donor is at least one member selected from the group consisting of water, methanol, ethanol, propanol, hydrochloric acid, nitric acid and sulfuric acid.
- 18. The process as claimed in claim 11 or 12, wherein the hydroxylation of the ethylene polymer (III') is carried out by reacting the ethylene polymer (III') with diborane and then reacting with an alkali metal hydroxide and hydrogen peroxide.
- 19. The process as claimed in claim 11 or 12, wherein the hydroxylation of the ethylene polymer (III') is carried out by reacting the ethylene polymer (III') with sulfuric acid and water.
- 20. The process as claimed in claim 11 or 12, wherein the hydroxylation of the ethylene polymer (III') is carried out by reacting the ethylene polymer (III') with mercuric acetate and water and then reacting with sodium borohydride.
- 21. The process as claimed in claim 2, wherein the polycondensation of the ethylene polymer (I') with the compound (II') is carried out in the presence of a solvent.
Parent Case Info
This application is a division of now abandoned application Ser. No. 07/761,241, filed Sep. 17, 1991 now abandoned.
US Referenced Citations (2)
Divisions (1)
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Number |
Date |
Country |
Parent |
761241 |
Sep 1991 |
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