Claims
- 1. An elastomeric blend composition, which consists essentially of:
- (a) a neutralized sulfonated elastomeric polymer formed from an elastomeric polymer having from about 0.1 to about 10.0 wt. percent of olefinic unsaturation; said neutralized sulfonated elastomeric polymers having about 15 to about 50 meq. neutralized sulfonate groups per 100 grams of said neutralized sulfonated elastomeric polymer, a counterion of said neutralized sulfonate groups being selected from the group consisting of lead, antimony, ammonium, iron and metals of Groups IA, IIA, IB and IIB of the Periodic Table of Elements and mixtures thereof; and
- (b) about 2 to about 15 parts by weight of a non-polar wax per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said non-polar wax having an Mn of less than about 800 and less than about 4 wt. % oxygen.
- 2. A composition according to claim 1 wherein said neutralized sulfonated elastomeric polymer is formed from an EPDM terpolymer.
- 3. A composition according to claim 2 wherein said neutralized sulfonated EPDM terpolymer has a viscosity at 200.degree. C. at 0.74 sec.sup.-1 of about 1.times.10.sup.4 to about 5.times.10.sup.6 poises.
- 4. A composition according to claim 2 wherein said EPDM terpolymer consists essentially of about 40 to about 80 wt. % of ethylene, of about 10 to about 53 wt. % of propylene and of about 2 to about 10 wt. % of a non-conjugated diene.
- 5. A composition according to claim 4 wherein said non-conjugated diene is selected from the group consisting of 1,4-hexadiene, dicyclopentadiene, alkenyl substituted norbornenes, alkydidene substituted norbornenes and tetrahydroindenes.
- 6. A composition according to claim 5 wherein said non-conjugated diene is 5-ethylidene-2-norbornene.
- 7. A composition according to claim 1, including at least 7 parts by weight of a preferential plasticizer per 100 parts by weight of said neutralized sulfonated elastomeric polymer.
- 8. A composition according to claim 7 wherein said preferential plasticizer has a melting point of at least 25.degree. C. and is selected from the group consisting of carboxylic acids, metallic salts of said carboxylic acids, amides and amines and mixtures thereof.
- 9. A composition according to claim 7 wherein said preferential plasticizer is a combination of stearic acid and a metallic salt of said stearic acid, a metal ion of said metallic salt being selected from the group consisting of lead, iron, antimony and Groups IA, IIA, IB and IIB of the Periodic Table of Elements and mixtures thereof.
- 10. A composition according to claim 8 wherein said metallic salt is selected from the group consisting of zinc stearate, barium stearate, lead stearate, magnesium stearate and sodium stearate.
- 11. A composition according to claim 1 or 2 wherein said non-polar wax is selected from the group consisting of synthetic, natural and petroleum waxes.
- 12. A composition according to claim 1 or 2 wherein said polar wax is selected from the group consisting of aromatics, paraffins and naphthenics.
- 13. An elastomeric blend composition which consists essentially of:
- (a) a neutralized sulfonated elastomeric polymer formed from an elastomeric polymer having from about 0.1 to about 10.0 wt. percent of olefinic unsaturation; said neutralized sulfonated elastomeric polymers having about 15 to about 50 meq. neutralized sulfonate groups per 100 grams of said neutralized sulfonated elastomeric polymer, a counterion of said neutralized sulfonate groups being selected from the group consisting of lead, antimony, ammonium, iron and metals of Groups IA, IIA, IB and IIB of the Periodic Table of Elements and mixtures thereof;
- (b) about 2 to about 15 parts by weight of a non-polar wax per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said non-polar wax having an Mn of less than about 800 and less than about 4 wt. % oxygen; and
- (c) at least about 7 parts by weight of a preferential plasticizer per 100 parts by weight of the neutralized sulfonated elastomeric polymer.
- 14. A composition according to claim 13 wherein said preferential plasticizer is a combination of a carboxylic acid having about 5 to about 30 carbon atoms and a metallic salt of said carboxylic acid.
- 15. A composition according to claim 13 wherein said neutralized sulfonated elastomeric polymer is formed from an EPDM terpolymer.
- 16. A composition according to claim 15 wherein said elastomeric polymer has an Mn of less than about 60,000 and a Mooney viscosity (ML, 1+8, 212.degree. F.) of about 5 to about 60.
- 17. A composition according to claim 13 wherein said EPDM terpolymer consists essentially of about 40 to about 80 wt. % of ethylene, of about 10 to about 53 wt. % of propylene and of about 2 to about 10 wt. % of a non-conjugated diene.
- 18. An elastomeric blend composition which consists essentially of:
- (a) a neutralized sulfonated elastomeric polymer formed from an elastomeric polymer having from about 0.1 to about 10.0 wt. percent of olefinic unsaturation; said neutralized sulfonated elastomeric polymers having about 15 to about 50 meq. neutralized sulfonate groups per 100 grams of said neutralized sulfonated elastomeric polymer, a counterion of said neutralized sulfonate groups being selected from the group consisting of lead, antimony, ammonium, iron and Groups IA, IIA, IB and IIB of the Periodic Table of Elements and mixtures thereof; and
- (b) about 2 to about 15 parts by weight of a non-polar wax per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said non-polar wax having an Mn of less than about 800 and less than about 4 wt. % oxygen;
- (c) at least about 7 parts by weight of a preferential plasticizer per 100 parts by weight of the neutralized sulfonated elastomeric polymer;
- (d) about 50 to about 300 parts by weight of a filler per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said filler being selected from the group consisting of aluminum silicate, talc, calcium silicate, calcium carbonate and magnesium silicate and mixtures thereof; and
- (e) less than about 100 parts by weight of a non-polar process oil per 100 parts by weight of said neutralized sulfonated elastomer.
- 19. A composition according to claim 18 wherein said preferential plasticizer is a combination of a carboxylic acid having about 5 to about 30 carbon atoms and a metallic salt of said carboxylic acid.
- 20. A composition according to claim 18 wherein said neutralized sulfonated elastomeric polymer is formed from an EPDM terpolymer.
- 21. A composition according to claim 20 wherein said elastomeric polymer has an Mn of less than about 60,000 and a Mooney viscosity of 212.degree. F. of about 5 to about 60.
- 22. A composition according to claim 18 wherein said EPDM terpolymer consists essentially of about 40 to about 80 wt. % of ethylene, of about 10 to about 53 wt. % of propylene and of about 2 to about 10 wt. % of a non-conjugated diene.
- 23. An elastomeric blend composition which consists essentially of:
- (a) a neutralized sulfonated elastomeric polymer formed from an elastomeric polymer having from about 0.1 to about 10.0 wt. percent of olefinic unsaturation; said neutralized sulfonated elastomeric polymers having about 15 to about 50 meq. neutralized sulfonate groups per 100 grams of said neutralized sulfonated elastomeric polymer, a counterion of said neutralized sulfonate groups being selected from the group consisting of lead, anitmony, ammonium, iron and Groups IA, IIA, IB and IIB of the Periodic Table of Elements and mixtures thereof; and
- (b) about 2 to about 15 parts by weight of a non-polar wax per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said non-polar wax having an Mn of less than about 800 and less than about 4 wt. % oxygen;
- (c) about 50 to about 300 parts by weight of a filler per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said filler being selected from the group consisting of aluminum silicate, talc, calcium silicate, calcium carbonate and magnesium silicate and mixtures thereof; and
- (d) less than about 100 parts by weight of a non-polar process oil per 100 parts by weight of said neutralized sulfonated elastomer.
- 24. A composition according to claim 23 wherein said neutralized sulfonated elastomeric polymer is formed from an EPDM terpolymer.
- 25. A composition according to claim 15 wherein said elastomeric polymer has an Mn of less than about 60,000 and a Mooney viscosity (212.degree. F.,ML 1+8) of about 5 to about 60.
- 26. An elastomer article formed from an elastomeric blend composition which consists essentially of:
- (a) a neutralized sulfonated elastomeric polymer formed from an elastomeric polymer having from about 0.1 to about 10.0 wt. percent of olefinic unsaturation; said neutralized sulfonated elastomeric polymers having about 15 to about 50 meq. sulfonate groups per 100 grams of said neutralized sulfonated elastomeric polymer, a counterion of said metal sulfonate groups being selected from the group consisting of lead, ammonium, antimony, iron, and Groups IA, IIA, IB and IIB of the Periodic Table of Elements and mixtures thereof; and
- (b) about 2 to about 15 parts by weight of a non-polar wax per 100 parts of said neutralized sulfonated elastomeric polymer, said non-polar wax having an Mn of less than about 800 and less than about 4 wt. % oxygen.
- 27. An elastomeric articles according to claim 26 wherein said neutralized sulfonated elastomeric polymer is derived from an EPDM terpolymer.
- 28. An elastomeric article formed from an elastomeric blend composition consisting essentially of:
- (a) a neutralized sulfonated elastomeric polymer formed from an elastomeric polymer having from about 0.1 to about 10.0 wt. percent of olefinic unsaturation; said neutralized sulfonated elastomeric polymers having about 15 to about 50 meq. neutralized sulfonate groups per 100 grams of said neutralized sulfonated elastomeric polymer, a counterion of said neutralized sulfonate groups being selected from the group consisting of lead, ammonium, antimony, iron and metals of Groups IA, IIA, IB and IIB of the Periodic Table of Elements and mixtures thereof;
- (b) about 2 to about 15 parts by weight of a non-polar wax per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said non-polar wax having an Mn of less than about 800 and less than about 4 wt. % oxygen; and
- (c) at least about 7 parts by weight of a preferential plasticizer per 100 parts by weight of the neutralized sulfonated elastomeric polymer.
- 29. An elastomeric article according to claim 28 wherein said neutralized sulfonated elastomeric polymer is derived from an EPDM terpolymer.
- 30. An elastomeric article according to claim 28 wherein said preferential plasticizer is a combination of a carboxylic acid and having about 5 to about 30 carbon atoms and a metallic salt of said carboxylic acid.
- 31. An elastomeric article formed from an elastomeric blend composition consisting essentially of:
- (a) a neutralized sulfonated elastomeric polymer formed from an elastomeric polymer having from about 0.1 to about 10.0 wt. percent of olefinic unsaturation; said neutralized sulfonated elastomeric polymers having about 15 to about 50 meq. neutralized sulfonate groups per 100 grams of said neutralized sulfonated elastomeric polymer, a counterion of said neutralized sulfonate groups being selected from the group consisting of lead, ammonium, antimony, iron and Groups IA, IIA, IB and IIB of the Periodic Table of Elements and mixtures thereof;
- (b) about 2 to about 15 parts by weight of a non-polar wax per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said non-polar wax having an Mn of less than about 800 and less than about 4 wt. % oxygen;
- (c) at least about 7 parts by weight of a preferential plasticizer per 100 parts by weight of the neutralized sulfonated elastomeric polymer;
- (d) about 50 to about 300 parts by weight of a filler per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said filler being selected from the group consisting of aluminum silicate, talc, calcium silicate, calcium carbonate, and magnesium silicate and mixtures thereof; and
- (e) less than about 100 parts by weight of a non-polar process oil per 100 parts by weight of said neutralized sulfonated elastomer.
- 32. An elastomeric article according to claim 31 wherein said neutralized sulfonated elastomeric polymer is derived from an EPDM terpolymer.
- 33. An elastomeric article according to claim 31 wherein said preferential plasticizer is a combination of a carboxylic and having about 5 to about 30 carbon atoms and a metallic salt of said carboxylic acid.
- 34. An elastomeric article formed from an elastomeric blend composition consisting essentially of:
- (a) a neutralized sulfonated elastomeric polymer formed from an elastomeric polymer having from about 0.1 to about 10.0 wt. percent of olefinic unsaturation; said neutralized sulfonated elastomeric polymers having about 15 to about 50 meq. neutralized sulfonate groups per 100 grams of said neutralized sulfonated elastomeric polymer, a counterion of said neutralized sulfonate groups being selected from the group consisting of lead, aluminum, antimony, iron and metals of Groups IA, IIA, IB and IIB of the Periodic Table of Elements and mixtures thereof;
- (b) about 2 to about 15 parts by weight of a non-polar wax per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said non-polar wax having an Mn of less than about 800 and less than about 4 wt. % oxygen;
- (c) about 50 to about 300 parts by weight of a filler per 100 parts by weight of said neutralized sulfonated elastomeric polymer, said filler being selected from the group consisting of aluminum silicate, talc, calcium silicate, calcium carbonate, or magnesium silicate and mixtures thereof; and
- (d) less than about 100 parts by weight of a non-polar process oil per 100 parts by weight of said neutralized sulfonated elastomer.
- 35. An elastomeric article according to claim 34 wherein said neutralized sulfonated elastomeric polymer is derived from an EPDM terpolymer.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a CIP application of Ser. No. 855,766, filed Nov. 29, 1977 now abandoned.
US Referenced Citations (4)
Continuation in Parts (1)
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Number |
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855766 |
Nov 1977 |
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