Claims
- 1. An alternating thermoplastic elastomeric copolymer of only an alpha-olefin comonomer and carbon monoxide comonomer formed by high pressure reaction of an acid-free solvent solution of alpha-olefin monomer with carbon monoxide in the presence of a catalyst comprising [L.multidot.M.multidot.S]+2.sub.2X- /A, where M is a transition metal ion selected from groups VIIIa of the periodic table; L is a bidente ligand containing two heteroatoms having a lone pair of electrons and selected from groups Vb and VIb of the periodic table for cis-chelation with M and in which the two heteroatoms in L are linked by alkylene chains of 1 to 7 carbon atoms and linked by alicyclic or spiro moieties to provide both steriorigidity to the said heteroatoms and geometry inducive for said cis-chelation with M; S is a solvent molecule or an electron donating molecule; X.sup.- is an anion selected from the group consisting of Cl.sup.-, BF.sub.4.sup.-, B(C.sub.6 H.sub.5).sub.4.sup.-, and B(C.sub.6 F.sub.5).sub.4, and A is an activator selected from the alcohol group consisting of linear and branched, primary and secondary alcohols of 1 to 20 carbon atoms, with the copolymer terminated with the radical of the activator alcohol A.
- 2. An alternating thermoplastic elastomeric copolymer as claimed in claim 1 and in which the copolymer has a regioregularity of from about 55% to about 98%.
- 3. An alternating copolymer as claimed in claim 1 and in which the activator A includes organic oxidizing molecules of quinones comprised of 6 to 14 carbon atoms.
- 4. An alternating copolymer as claimed in claim 1 and in which the activator A includes an inorganic metal ion capable of oxidizing the transition metal ion M from neutral to divalent state.
- 5. An alternating copolymer as claimed in claim 1 in which the solvent S is selected from the labile coordination molecule group consisting of CH.sub.3 CN, tetrahydrofuran, dialkylethers, pyridine, aliphatic and aromatic halogen compounds of 1 to 10 carbon atoms and 2 to 6 halogen atoms, sulfolane, alkyl sulfoxides and alkyl sulfones.
- 6. An alternating copolymer as claimed in claim 1, in which the two heteroatoms in L are linked by condensed rings to provide both stereo-rigidity to the said heteroatoms and a geometry inducive for cis-chelation with M.
- 7. An alternating copolymer as claimed in claim 1, in which the two heteroatoms have other groups bonded comprised of one or two aromatic rings with or without alkyl substituents of four to sixteen carbon atoms.
- 8. An alternating copolymer as claimed in claim 1, and in which the said catalyst has an organic oxidant selected from derivatives of benzoquinone, naphthaquinone, anthraquinone, phenylene diimine with or without alkyl substitute of four to twenty carbon atoms.
- 9. An alternating copolymer as claimed in claim 1 and in which the alpha-olefin comonomer has up to twenty carbon atoms in one of linear or branched structures.
- 10. An alternating copolymer as claimed in claim 1 and in which the alpha-olefin comonomer is selected from the group consisting of propylene, butene-1, hexene-1 and decene-1.
- 11. An alternating copolymer as claimed in claim 1 and in which the catalyst formula is selected from the group consisting of [Ph.sub.2 P(CH.sub.2).sub.3 PPh.sub.2 ]Pd.sup.+2 (CH.sub.3 CN).sub.2.2BF.sub.4.sup.-, [Ph.sub.2 P(CH.sub.2).sub.4 PPh.sub.2 ]Pd.sup.+2 (CH.sub.3 CN).sub.2.2BPh.sub.4, [(-) DIOP]Pd.sup.+2 (CH.sub.3 CN).sub.2.2BF.sub.4.sup.- /s-butanol; and Phen Pd.sup.+2 (CH.sub.3 CH).sub.2 2B(C.sub.6 F.sub.5).sub.4.
- 12. An alternating thermoplastic elastomeric copolymer of an alpha-olefin comonomer, selected from the group consisting of propylene, butene-1, hexene-1 and decene-1, and carbon monoxide comonomer formed by high pressure reaction of an acid-free solvent solution of only an alpha-olefin monomer with carbon monoxide in the presence of a polymerizing catalyst having an activator selected from the alcohol group consisting of linear and branched, primary and secondary alcohols of 1 to 20 carbon atoms, with the resulting copolymer thus having the radical of such alcohol attached, a relatively high molecular weight number average of the order of from 2.times.10.sup.4 to 4.5.times.10.sup.4 with a relatively low melting temperature of the order of 125.degree. to 162.degree. C. and regioregularity from 55% to 98%.
- 13. An alternating thermoplastic elastomeric copolymer as claimed in claim 12 and in which said alcohol is selected from the group consisting of methanol, isopropanol, and S-butanol.
- 14. An alternating thermoplastic elastomeric copolymer as claimed in claim 13 and in which the alpha-olefin comonomer is propylene and the said alcohol comprises methanol.
Parent Case Info
This application is a file wrapper continuation of application Ser. No. 818,061 filed Jan. 8, 1992 abandoned.
US Referenced Citations (10)
Continuations (1)
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Number |
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818061 |
Jan 1992 |
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