US4179422A
Expired / Lapsed
US
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Elastomeric blend compositions of a sulfonated elastomer polymer and a crystalline polyolefinic thermoplastic resin
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1977-11-29
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Granted: 1979-12-18
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Expires: 1997-11-29
Abstract
Abstract This invention relates to blend compositions of thermoplastic resins and a neutralized sulfonated elastomeric polymer and a hydroxyalkyl carboxylate ester wherein the resultant composition has both improved physical and rheological properties such as compression set for blends exhibiting elastomeric characteristics and impact strength for blends exhibiting thermoplastic characteristics.
Inventors
- 👤 Henry S. Makowski
- 👤 Charles P. O'Farrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103; C08L; C08L101/00; C08L101/02; C08L23/00; C08L57/00; C08L57/06; Y; Y10; Y10S; Y10S260/00; Y10S260/31
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
118 words
A blend composition comprising: (a) a neutralized sulfonated elastomeric polymer having about 15 to about 50 meq of metal sulfonate groups per 100 grams of said polymer said metal sulfonate groups being neutralized with a metal counterion; (b) a 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, or arylalkyl groups and functional derivatives thereof and mixtures thereof; and (c) about 120 to about 900 parts by weight of a thermoplastic resin per 100 parts of said neutralized sulfonated elastomeric polymer and said hydroxyalkyl carboxylate ester.
Claim 2
Dependent Claim
118 words
A blend composition comprising: (a) a neutralized sulfonated elastomeric polymer having about 15 to about 50 meq of metal sulfonate groups per 100 grams of said polymer said metal sulfonate groups being neutralized with a metal counterion; (b) a 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, or arylalkyl groups and functional derivatives thereof and mixtures thereof; and (c) about 120 to about 900 parts by weight of a thermoplastic resin per 100 parts of said neutralized sulfonated elastomeric polymer and said hydroxyalkyl carboxylate ester.
Claim 3
Dependent Claim
24 words
A composition according to claim 1, wherein said thermoplastic resin is selected from the group consisting of crystalline polyethylene, polypropylene and amorphous vinyl polymers.
Claim 4
Dependent Claim
13 words
A composition according to claim 1, wherein said thermoplastic resin is said polyethylene.
Claim 5
Dependent Claim
16 words
A composition according to claim 1, wherein said thermoplastic resin has at least about 25% crystallinity.
Claim 6
Dependent Claim
18 words
A composition according to claim 1, wherein said thermoplastic resin has an Mn of about at least 4,000.
Claim 7
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 8
Dependent Claim
52 words
A composition according to claim 1, wherein said sulfonated elastomeric polymer is formed from an EPDM terpolymer consisting essentially of about 45 to about 80 wt. % of ethylene, from about 10 to about 53 wt. % of an alpha-olefin, and about 2 to about 10 wt. % of a diene monomer.
Claim 9
Dependent Claim
26 words
A composition according to claim 7, wherein said diene is selected from the group consisting of 1,4-hexadiene, dicyclopentadiene, alkylidene substituted norbornenes, alkenyl substituted norbornenes, and tetrahydroindene.
Claim 10
Dependent Claim
11 words
A composition according to claim 8, wherein said diene is non-conjugated.
Claim 11
Dependent Claim
11 words
A composition according to claim 8, wherein said diene is 1,4-hexadiene.
Claim 12
Dependent Claim
11 words
A composition according to claim 7, wherein said diene is 5-ethylidene-2-norbornene.
Claim 13
Dependent Claim
37 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 and II-B of the Periodic Table of Elements and mixtures thereof.
Claim 14
Dependent Claim
11 words
A composition according to claim 1, further including a non-polar wax.
Claim 15
Dependent Claim
10 words
A composition according to claim 1, further including a filler.
Claim 16
Dependent Claim
10 words
A composition according to claim 1, further including an oil.
Claim 17
Dependent Claim
119 words
A blend composition comprising: (a) a neutralized sulfonated elastomeric polymer having about 15 to about 50 meq of metal sulfonate groups per 100 grams of said polymer, said metal sulfonate groups being neutralized with a metal counterion; (b) a hydroxyalkyl carboxylate ester having the formula: ##STR7## 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, or arylalkyl groups and functional derivatives thereof and mixtures thereof; and (c) about 5 to about 90 parts by weight of a thermoplastic resin per 100 parts of said neutralized sulfonated elastomeric polymer and said hydroxyalkyl carboxylate ester.
Claim 18
Dependent Claim
119 words
A blend composition comprising: (a) a neutralized sulfonated elastomeric polymer having about 15 to about 50 meq of metal sulfonate groups per 100 grams of said polymer, said metal sulfonate groups being neutralized with a metal counterion; (b) a hydroxyalkyl carboxylate ester having the formula: ##STR7## 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, or arylalkyl groups and functional derivatives thereof and mixtures thereof; and (c) about 5 to about 90 parts by weight of a thermoplastic resin per 100 parts of said neutralized sulfonated elastomeric polymer and said hydroxyalkyl carboxylate ester.
Claim 19
Dependent Claim
20 words
A composition according to claim 16, wherein said thermoplastic resin is selected from the group consisting of polyethylene and polypropylene.
Claim 20
Dependent Claim
13 words
A composition according to claim 17, wherein said thermoplastic resin is said polyethylene.
Claim 21
Dependent Claim
16 words
A composition according to claim 16, wherein said thermoplastic resin has at least about 25% cystallinity.
Claim 22
Dependent Claim
18 words
A composition according to claim 16, wherein said thermoplastic resin has an Mn of about at least 4,000.
Claim 23
Dependent Claim
19 words
A composition according to claim 20, wherein said thermoplastic resin has a density of at least about 0.88 gms/cc.
Claim 24
Dependent Claim
29 words
A composition according to claim 16, wherein said sulfonated elastomeric polymer is derived from an unsulfonated elastomeric polymer selected from the group consisting of Butyl rubber and EPDM terpolymers.
Claim 25
Dependent Claim
52 words
A composition according to claim 16, wherein said sulfonated elastomeric polymer is formed from an EPDM terpolymer consisting essentially of about 45 to about 80 wt. % of ethylene, from about 10 to about 53 wt. % of an alpha-olefin, and about 2 to about 10 wt. % of a diene monomer.
Claim 26
Dependent Claim
26 words
A composition according to claim 23, wherein said diene is selected from the group consisting of 1,4-hexadiene, dicyclopentadiene, alkylidene substituted norbornenes, alkenyl substituted norbornenes and tetrahydroindene.
Claim 27
Dependent Claim
11 words
A composition according to claim 24, wherein said diene is 1,4-hexadiene.
Claim 28
Dependent Claim
11 words
A composition according to claim 24, wherein said diene is non-conjugated.
Claim 29
Dependent Claim
11 words
A composition according to claim 23, wherein said diene is 5-ethylidene-2-norbornene.
Claim 30
Dependent Claim
37 words
A composition according to claim 16, wherein said metal counterion is selected from the group consisting of lead, aluminum, iron, antimony, and Groups I-A, II-A, I-B and II-B of the Periodic Table of Elements and mixtures thereof.
Claim 31
Dependent Claim
11 words
A composition according to claim 16, further including a non-polar wax.
Claim 32
Dependent Claim
10 words
A composition according to claim 16, further including a filler.
Claim 33
Dependent Claim
10 words
A composition according to claim 16, further including an oil.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-12-17 | 1983-06-18 | 1983-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-17 | 1987-06-18 | 1987-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-17 | 1991-06-18 | 1991-12-18 | $7700.00 | Window Closed / Lapsed |