US4134870A
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Elastomeric blend compositions of a sulfonated elastomeric polymer
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1977-11-29
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Granted: 1979-01-16
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Expires: 1997-11-29
Abstract
Abstract This invention relates to elastomeric blend compositions of a neutralized sulfonated elastomeric polymer. The solid, gel-free compositions include a neutralized sulfonated elastomeric polymer, a hydroxyalkyl carboxylate ester, a non-polar wax, wherein the resultant compositions have both improved physical and rheological properties.
Inventors
- 👤 Henry S. Makowski
- 👤 Charles P. O'Farrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:14
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/26; C08L23/32; C08F; C08F210/00; C08F210/16; C08F210/18; C08F8/00; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K5/10; C08K5/101; C08K5/103; C08L91/00; C08L91/06; C08L2666/00; C08L2666/02; C08L2666/04; Y; Y10; Y10S; Y10S260/00; Y10S260/31
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
145 words
A solid gel-free elastomeric blend composition consisting essentially of: (a) a neutralized sulfonated elastomeric polymer having about 10 to about 50 meq. of metal sulfonate groups per 100 grams of said polymer, at least 90 percent of said metal sulfonate groups being neutralized with a metal counterion; (b) about 2 to about 50 parts by weight of a hydroxyalkyl carboxylate ester per 100 parts of said neutralized sulfonated elastomeric polymer, said hydroxyalkyl carboxylate having the formula: ##STR6## wherein R, R 1 , R 2 , R 3 and R 4 are independently selected from the group consisting of hydrogen, C 1 to C 18 straight and branched chain acyclic, alicyclic, aryl, alkylaryl and/or arylalkyl groups and functional derivatives thereof and mixtures thereof; and (c) about 2 to about 150 parts by weight of a non-polar wax per 100 parts of said neutralized sulfonated elastomeric polymer.
Claim 2
Dependent Claim
145 words
A solid gel-free elastomeric blend composition consisting essentially of: (a) a neutralized sulfonated elastomeric polymer having about 10 to about 50 meq. of metal sulfonate groups per 100 grams of said polymer, at least 90 percent of said metal sulfonate groups being neutralized with a metal counterion; (b) about 2 to about 50 parts by weight of a hydroxyalkyl carboxylate ester per 100 parts of said neutralized sulfonated elastomeric polymer, said hydroxyalkyl carboxylate having the formula: ##STR6## wherein R, R 1 , R 2 , R 3 and R 4 are independently selected from the group consisting of hydrogen, C 1 to C 18 straight and branched chain acyclic, alicyclic, aryl, alkylaryl and/or arylalkyl groups and functional derivatives thereof and mixtures thereof; and (c) about 2 to about 150 parts by weight of a non-polar wax per 100 parts of said neutralized sulfonated elastomeric polymer.
Claim 3
Dependent Claim
22 words
A composition according to claim 1, wherein said concentration of said wax is less than about 50 parts per hundred by weight.
Claim 4
Dependent Claim
20 words
A composition according to claim 1, wherein said wax has less than about 2 wt. % of polar type compounds.
Claim 5
Dependent Claim
17 words
A composition according to claim 1, wherein said wax has an Mn of about at least 300.
Claim 6
Dependent Claim
20 words
A composition according to claim 1, wherein said wax is selected from the group consisting of paraffinics and microcrystalline waxes.
Claim 7
Dependent Claim
20 words
A composition according to claim 1, wherein said wax is a paraffinic having an Mn of at least about 1000.
Claim 8
Dependent Claim
29 words
A composition according to claim 1, wherein said sulfonated elastomeric polymer is derived from an unsulfonated elastomeric polymer selected from the group consisting of butyl rubber, and EPDM terpolymers.
Claim 9
Dependent Claim
45 words
A composition according to claim 7, wherein said EPDM terpolymer consists essentially of about 40 to about 75 wt. % of ethylene, from about 15 to about 58 wt. % of an alpha-olefin, and about 2 to about 10 wt. % of a diene monomer.
Claim 10
Dependent Claim
11 words
A composition according to claim 8, wherein said diene is non-conjugated.
Claim 11
Dependent Claim
28 words
A composition according to claim 8, wherein said diene is selected from the group consisting of 1,4-hexadiene, dicyclopentadiene, alkenyl substituted norbornenes, alkylidene substituted norbornenes, methylene norbornene and tetrahydroindene.
Claim 12
Dependent Claim
11 words
A composition according to claim 8, wherein said diene is 1,4-hexadiene.
Claim 13
Dependent Claim
11 words
A composition according to claim 8, wherein said diene is 5-ethylidene-2-norbornene.
Claim 14
Dependent Claim
36 words
A composition according to claim 1, wherein said metal counterion is selected from the group consisting of lead, aluminum, iron, antimony and Groups I-A, II-A, I-B, II-B of the Periodic Table of Elements and mixtures thereof.
Claim 15
Dependent Claim
22 words
A composition according to claim 1, wherein said non-polar wax is selected from the group consisting of synthetic, natural and petroleum waxes.
Claim 16
Dependent Claim
23 words
A composition according to claim 1, further comprising a filler at a concentration level of about 5 to about 300 parts per hundred.
Claim 17
Dependent Claim
20 words
A composition according to claim 15, wherein said filler has a particle size of about 0.03 to about 15 microns.
Claim 18
Dependent Claim
19 words
A composition according to claim 15, wherein said filler has an oil absorption of about 10 to about 120.
Claim 19
Dependent Claim
25 words
A composition according to claim 15, wherein said filler is selected from the group consisting of carbon black, clay, talc, calcium carbonate and mixtures thereof.
Claim 20
Dependent Claim
34 words
A solid gel-free composition consisting essentially of: (a) a hydroxyalkyl sulfonated polymer; and (b) about 2 to about 150 parts by weight of a non-polar wax per 100 parts of said hydroxyalkyl sulfonated polymer.
Claim 21
Dependent Claim
34 words
A solid gel-free composition consisting essentially of: (a) a hydroxyalkyl sulfonated polymer; and (b) about 2 to about 150 parts by weight of a non-polar wax per 100 parts of said hydroxyalkyl sulfonated polymer.
Claim 22
Dependent Claim
17 words
A composition according to claim 19, wherein said concentration of said wax is less than about 50.
Claim 23
Dependent Claim
20 words
A composition according to claim 19, wherein said wax has less than about 2 wt. % of polar type compounds.
Claim 24
Dependent Claim
17 words
A composition according to claim 19, wherein said wax has an Mn of about at least 300.
Claim 25
Dependent Claim
20 words
A composition according to claim 19, wherein said wax is selected from the group consisting of paraffinics, and microcrystalline waxes.
Claim 26
Dependent Claim
20 words
A composition according to claim 19, wherein said wax is a paraffinic having an Mn of at least about 300.
Claim 27
Dependent Claim
29 words
A composition according to claim 19, wherein said sulfonated elastomeric polymer is derived from an unsulfonated elastomeric polymer selected from the group consisting of butyl rubber, and EPDM terpolymers.
Claim 28
Dependent Claim
44 words
A composition according to claim 25, wherein said EPDM terpolymer consists of about 40 to about 75 wt. % of ethylene, from about 15 to about 58 wt. % of an alpha-olefin, and about 2 to about 10 wt. % of a diene monomer.
Claim 29
Dependent Claim
11 words
A composition according to claim 26, wherein said diene is non-conjugated.
Claim 30
Dependent Claim
28 words
A composition according to claim 26, wherein said diene is selected from the group consisting of 1,4-hexadiene, dicyclopentadiene, alkenyl substituted norbornenes, alkylidene substituted norbornenes, methylene norbornene, and tetrahydroindene.
Claim 31
Dependent Claim
11 words
A composition according to claim 26, wherein said diene is 1,4-hexadiene.
Claim 32
Dependent Claim
11 words
A composition according to claim 26, wherein said diene is 5-ethylidene-2-norbornene.
Claim 33
Dependent Claim
42 words
A composition according to claim 19, wherein said hydroxyalkyl sulfonate is neutralized with a metal counterion being selected from the group consisting of lead, aluminum, iron, antimony and Groups I-A, II-A, I-B, II-B or the Periodic Table of Elements and mixtures thereof.
Claim 34
Dependent Claim
22 words
A composition according to claim 19, wherein said non-polar wax is selected from the group consisting of synthetic, natural and petroleum waxes.
Claim 35
Dependent Claim
23 words
A composition according to claim 19, further comprising a filler at a concentration level of about 5 to about 250 parts per hundred.
Claim 36
Dependent Claim
20 words
A composition according to claim 33, wherein said filler has a particle size of about 0.03 to about 15 microns.
Claim 37
Dependent Claim
19 words
A composition according to claim 33, wherein said filler has an oil absorption of about 10 to about 120.
Claim 38
Dependent Claim
25 words
A composition according to claim 33, wherein said filler is selected from the group consisting of carbon black, clay, talc, calcium carbonate and mixtures thereof.
References Cited (Backward Citations)
US4007149A
Cited
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1982-01-15 | 1982-07-17 | 1983-01-16 | $2000.00 | Window Closed / Lapsed |
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