US3950281A
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Elastomeric compositions containing olefin-acrylic ester copolymer
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1974-01-31
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Granted: 1976-04-13
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Expires: 1994-01-31
Abstract
Abstract Elastomeric compositions comprising 1 part by weight of at least one curable elastomer and 0.01 to 100 parts by weight of at least one copolymer having olefin and acrylic ester monomer units as the main constituents, which possess improved properties in tackiness, processability, oil resistance, thermal resistance, weathering resistance and the like.
Inventors
- 👤 Teruyoshi Usamoto
- 👤 Taisuke Okita
- 👤 Nobuyuki Yoshida
- 👤 Masaaki Hirooka
- 👤 Isoji Taniguchi
- 👤 Shyozaburo Imai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:06
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/26; C08L23/28; C08L23/283; C08L21/00; C08L23/02; C08L23/025; C08L23/16; C08L23/18; C08L23/20; C08L23/22; C08L33/00; C08L33/04; C08L33/06; C08L33/08
Claims Analysis
Total Claims: 53
Claim 1
Independent Claim
111 words
An elastomeric composition comprising 1 part by weight of at least one curable elastomer selected from the group consisting of natural diene rubbers and synthetic conjugated diene rubbers and 0.01 to 100 parts by weight of at least one copolymer having olefin and acrylic ester monomer units, said copolymer being composed of 10 to 70 mole % of aliphatic α-olefin monomer units having 3 to 20 carbon atoms, 90 to 30 mole % of acrylic monomer ester units, and 0.1 to 30 mole % of a monomer unit selected from the group consisting of a monomer having at least one double bond and a monomer having at least one halogen atom.
Claim 2
Dependent Claim
111 words
An elastomeric composition comprising 1 part by weight of at least one curable elastomer selected from the group consisting of natural diene rubbers and synthetic conjugated diene rubbers and 0.01 to 100 parts by weight of at least one copolymer having olefin and acrylic ester monomer units, said copolymer being composed of 10 to 70 mole % of aliphatic α-olefin monomer units having 3 to 20 carbon atoms, 90 to 30 mole % of acrylic monomer ester units, and 0.1 to 30 mole % of a monomer unit selected from the group consisting of a monomer having at least one double bond and a monomer having at least one halogen atom.
Claim 3
Dependent Claim
85 words
A process for preparing an elastomeric composition which comprises blending 1 part by weight of at least one curable elastomer selected from the group consisting of natural diene rubbers and synthetic conjugated diene rubbers with 0.01 to 100 parts by weight of at least one copolymer having aliphatic α-olefin and acrylic ester monomer units, said copolymer being composed of 10 to 70 mole % of the olefin monomer units having 3 to 20 carbon atoms and 90 to 30 mole % acrylic ester monomer units.
Claim 4
Dependent Claim
85 words
A process for preparing an elastomeric composition which comprises blending 1 part by weight of at least one curable elastomer selected from the group consisting of natural diene rubbers and synthetic conjugated diene rubbers with 0.01 to 100 parts by weight of at least one copolymer having aliphatic α-olefin and acrylic ester monomer units, said copolymer being composed of 10 to 70 mole % of the olefin monomer units having 3 to 20 carbon atoms and 90 to 30 mole % acrylic ester monomer units.
Claim 5
Dependent Claim
85 words
An elastomeric composition comprising 1 part by weight of at least one curable elastomer selected from the group consisting of natural diene rubbers and synthetic conjugated diene rubbers and 0.01 to 100 parts by weight of at least one copolymer having aliphatic α-olefin and acrylic ester monomer units, said olefin units having 3 to 20 carbon atoms, and said copolymer being composed of 10 to 70 mole % of the olefin monomer units and 90 to 30 mole % of the acrylic ester monomer units.
Claim 6
Dependent Claim
85 words
An elastomeric composition comprising 1 part by weight of at least one curable elastomer selected from the group consisting of natural diene rubbers and synthetic conjugated diene rubbers and 0.01 to 100 parts by weight of at least one copolymer having aliphatic α-olefin and acrylic ester monomer units, said olefin units having 3 to 20 carbon atoms, and said copolymer being composed of 10 to 70 mole % of the olefin monomer units and 90 to 30 mole % of the acrylic ester monomer units.
Claim 7
Dependent Claim
68 words
An elastomeric composition which comprises 1 part by weight of at least one cnjugated diene rubber and 0.01 to 100 parts by weight of at least one copolymer having aliphatic α-olefin and acrylic ester monomer units, said copolymer being composed of 10 to 70 mole % of aliphatic α-olefin monomer units having 3 to 20 carbon atoms, and 90 to 30 mole % of acrylic monomer ester units.
Claim 8
Dependent Claim
68 words
An elastomeric composition which comprises 1 part by weight of at least one cnjugated diene rubber and 0.01 to 100 parts by weight of at least one copolymer having aliphatic α-olefin and acrylic ester monomer units, said copolymer being composed of 10 to 70 mole % of aliphatic α-olefin monomer units having 3 to 20 carbon atoms, and 90 to 30 mole % of acrylic monomer ester units.
Claim 9
Dependent Claim
47 words
An elastomeric composition according to claim 4, wherein said copolymer further includes 0.1 to 30 mole % of a different monomer unit selected from the group consisting of a monomer unit having at least two double bonds and a monomer unit having at least one halogen atom.
Claim 10
Dependent Claim
30 words
An elastomeric composition according to claim 3, wherein 1 part by weight of at least one curable elastomer is combined with 0.01 to 0.4 part by weight of the copolymer.
Claim 11
Dependent Claim
19 words
An elastomeric composition according to claim 3, wherein the olefin monomer unit in the copolymer is isobutylene or propylene.
Claim 12
Dependent Claim
26 words
An elastomeric composition according to claim 3, wherein the acrylic ester monomer unit in the copolymer is ethyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate or methyl acrylate.
Claim 13
Dependent Claim
14 words
An elastomeric composition according to claim 3, wherein the copolymer has alternating monomer sequences.
Claim 14
Dependent Claim
18 words
An elastomeric composition according to claim 3, wherein sulfur and a sulfur-curing agent are contained in the composition.
Claim 15
Dependent Claim
38 words
An elastomeric composition according to claim 3, wherein the olefin monomer unit in the copolymer is isobutylene or propylene and the acrylic ester monomer unit in the copolymer is ethyl acrylate, n-butyl acrylate, 2-ethylehexyl acrylate or methyl acrylate.
Claim 16
Dependent Claim
21 words
An elastomeric composition according to claim 3, wherein the copolymer has an alternating sequence of olefin and acrylic ester monomer units.
Claim 17
Dependent Claim
25 words
An elastomeric composition according to claim 3, wherein the copolymer has an intrinsic viscosity of 0.1 to 10 dl/g as measured in benzene at 30°C.
Claim 18
Dependent Claim
23 words
An elastomeric composition according to claim 3, wherein the alcohol moieties of the acrylic ester units have from 1 to 20 carbon atoms.
Claim 19
Dependent Claim
29 words
An elastomeric composition according to claim 14, wherein said composition contains from 1 to 40 parts by weight of the copolymer per 100 parts by weight of the elastomer.
Claim 20
Dependent Claim
29 words
The elastomeric composition according to claim 14, wherein said composition contains from 2 to 20 parts by weight of the copolymer per 100 parts by weight of the elastomer.
Claim 21
Dependent Claim
34 words
The elastomeric composition according to claim 4, wherein said conjugated diene rubber is selected from the group consisting of natural rubber, butadiene-styrene rubber, polybutadiene rubber, butadiene-acrylonitrile rubber, polyisoprene rubber, chloroprene rubber and butyl rubber.
Claim 22
Dependent Claim
17 words
An elastomeric composition according to claim 3, wherein said olefin units have 3 to 8 carbon atoms.
Claim 23
Dependent Claim
20 words
An elastomeric composition according to claim 3, wherein the copolymer is a sulfur-curable copolymer having at least one unsaturated bond.
Claim 24
Dependent Claim
20 words
An elastomeric composition according to claim 3, wherein the copolymer is an amine-curable copolymer having at least one halogen atom.
Claim 25
Dependent Claim
22 words
An elastomeric composition according to claim 3, wherein the copolymer is a sulphur-curable terpolymer of olefin, acrylic ester and acrylic unsaturated ester.
Claim 26
Dependent Claim
20 words
An elastomeric composition according to claim 3, wherein the copolymer is a terpolymer of olefin, acrylic ester and dienic hydrocarbon.
Claim 27
Dependent Claim
27 words
An elastomeric composition according to claim 3, wherein the copolymer is a terpolymer of olefin, acrylic ester and halogen-containing ester of acrylic acid or halogen-containing unsaturated ether.
Claim 28
Dependent Claim
20 words
The elastomeric composition according to claim 14, wherein said alcohol moiety is one derived from a hydrocarbon or a halohydrocarbon.
Claim 29
Dependent Claim
15 words
The elastomeric composition according to claim 14, wherein said alcohol moiety is an alkyl group.
Claim 30
Dependent Claim
17 words
An elastomeric composition according to claim 3, wherein said curable elastomer is a synthetic conjugated diene rubber.
Claim 31
Dependent Claim
15 words
An elastomeric composition according to claim 3, wherein said copolyer is an olefin/acrylate binary copolymer.
Claim 32
Dependent Claim
16 words
An elastomeric composition according to claim 27, wherein said curable elastomer is a synthetic diene rubber.
Claim 33
Dependent Claim
19 words
An elastomeric composition according to claim 1, wherein said aliphatic α-olefin monomer unit has 3 to 8 carbon atoms.
Claim 34
Dependent Claim
19 words
An elastomeric composition according to claim 14, wherein said aliphatic α-olefin monomer unit has 3 to 8 carbon atoms.
Claim 35
Dependent Claim
29 words
An elastomeric composition according to claim 3, wherein said composition contains from 1 to 40 parts by weight of the copolymer per 100 parts by weight of the elastomer.
Claim 36
Dependent Claim
29 words
The elastomeric composition according to claim 3, wherein said composition contains from 2 to 20 parts by weight of the copolymer per 100 parts by weight of the elastomer.
Claim 37
Dependent Claim
29 words
An elastomeric composition according to claim 3, wherein said α-olefin unit is selected from the group consisting of isobutylene, propylene, butene-1, pentene-1, 2-methylbutene-1, 2-methylpentene-1, hexene-1, butene-2, 4-methylpentene-1 and octadecene-1.
Claim 38
Dependent Claim
18 words
An elastomeric composition according to claim 3, wherein the alkyl groups on the alkyl acrylate unit are halogenated.
Claim 39
Dependent Claim
67 words
An elastomeric composition according to claim 3, wherein said alkyl acrylate is selected from the group consisting of methyl acrylate, ethyl acrylate, propyl acrylate, allyl acrylate, crotyl acrylate, n-butyl acrylate, t-butyl acrylate, n-amyl acrylate, n-hexyl acrylate, 2-ethyl-hexyl acrylate, cyclopentenyl acrylate, octadecyl acrylate, methallyl acrylate, citronellyl acrylate, cinnamyl acrylate, o-tolyl acrylate, benzyl acrylate, cyclohexyl acrylate, norbornenylmethyl acrylate, 2-chloroethyl acrylate, 3-chloropropyl acrylate, β-chloroallyl acrylate, methyl thiolacrylate and ethyl thiolacrylate.
Claim 40
Dependent Claim
21 words
An elastomeric composition according to claim 3, wherein the alkyl acrylate unit in said copolymer is an acrylic acid unsaturated ester.
Claim 41
Dependent Claim
35 words
An elastomeric composition according to claim 3, wherein the olefin acrylate copolymer additionally contains a polymerized monomer selected from the group consisting of diene monomers, halogen-containing unsaturated ester monomers and halogen containing unsaturated ether monomers.
Claim 42
Dependent Claim
40 words
An elastomeric composition according to claim 3, wherein said copolymer additionally contains a polymerized monomer selected from the group consisting of divinylbenzene, p-isopropenyl-styrene, p-allylstyrene, 5-ethylidene-2-norbornene, 5-methyl-2,5-norbornadiene, dicyclopentadiene, 1,5-cyclooctadiene, 6-methyl-4,7,8,9-tetrahydroindene, 4-vinylcyclohexene, aldrin, p-(1'-chloro-1'-propenyl)-styrene, 1'-propenyl vinyl ether, cyclohexenyl acrylate and N-(1'-propenyl) acrylamide.
Claim 43
Dependent Claim
31 words
An elastomeric composition according to claim 3, wherein said copolymer additionally includes a polymerized monomer selected from the group consisting of 2-chloroethyl vinyl ether, 4-chlorobutyl vinyl ether and isobutyl 2-chloroallyl ether.
Claim 44
Dependent Claim
19 words
An elastomeric composition according to claim 1, wherein the acrylic ester units have from 1 to 20 carbon atoms.
Claim 45
Dependent Claim
29 words
An elastomeric composition according to claim 1, wherein said composition contains from 1 to 40 parts by weight of the copolymer per 100 parts by weight of the elastomer.
Claim 46
Dependent Claim
29 words
The elastomeric composition according to claim 1, wherein said composition contains from 2 to 20 parts by weight of the copolymer per 100 parts by weight of the elastomer.
Claim 47
Dependent Claim
30 words
An elastomeric composition according to claim 1, wherein said α-olefin unit is selected from the group consisting of isobutylene, propylene, butene-1, pentene-1, 2-methylbutene-1, 1, 2-methylpentene-1, hexene-1, butene-2, 4-methylpentene-1 and octadecene-1.
Claim 48
Dependent Claim
18 words
An elastomeric composition according to claim 1, wherein the alkyl groups on the alkyl acrylate unit are halogenated.
Claim 49
Dependent Claim
67 words
An elastomeric composition according to claim 1, wherein said alkyl acrylate is selected from the group consisting of methyl acrylate, ethyl acrylate, propyl acrylate, allyl acrylate, crotyl acrylate, n-butyl acrylate, t-butyl acrylate, n-amyl acrylate, n-hexyl acrylate, 2-ethyl-hexyl acrylate, cyclopentenyl acrylate, octadecyl acrylate, methallyl acrylate, citronellyl acrylate, cinnamyl acrylate, o-tolyl acrylate, benzyl acrylate, cyclohexyl acrylate, norbornenylmethyl acrylate, 2-chloroethyl acrylate, 3-chloropropyl acrylate, β-chloroallyl acrylate, methyl thiolacrylate and ethyl thiolacrylate.
Claim 50
Dependent Claim
21 words
An elastomeric composition according to claim 1, wherein the alkyl acrylate unit in said copolymer is an acrylic acid unsaturated ester.
Claim 51
Dependent Claim
35 words
An elastomeric composition according to claim 1, wherein the olefin acrylate copolymer additionally contains a polymerized monomer selected from the group consisting of diene monomers, halogen-containing unsaturated ester monomers and halogen containing unsaturated ether monomers.
Claim 52
Dependent Claim
40 words
An elastomeric composition according to claim 1, wherein said copolymer additionally contains a polymerized monomer selected from the group consisting of divinylbenzene, p-isopropenylstyrene, 1-allylstyrene, 5-ethylidene-2-norbornene, 5-methyl-2,5-norbornadiene, dicyclopentadiene, 1,5-cyclooctadiene, 6-methyl-4,7,8,9-tetrahydroindene, 4-vinylcyclohexene, aldrin, 1-(1'-chloro-1'-propenyl)-styrene, 1'-propenyl vinyl ether, cyclohexenyl acrylate and N-(1'-propenyl) acrylamide.
Claim 53
Dependent Claim
31 words
An elastomeric composition according to claim 1, wherein said copolymer additionally includes a polymerized monomer selected from the group consisting of 2-chloroethyl vinyl ether, 4-chlorobutyl vinyl ether and isobutyl 2-chloroallyl ether.
References Cited (Backward Citations)
US2929795A
Cited
US3326833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-13 | 1979-10-13 | 1980-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-13 | 1983-10-13 | 1984-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-13 | 1987-10-13 | 1988-04-13 | $7700.00 | Window Closed / Lapsed |