Patent US4414340A successfully refreshed from Google Patents.
US4414340A
Expired / Lapsed
US
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Thermosetting compositions
Assignee: TotalEnergies Onetech Belgium SA
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Filing: 1983-02-15
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Granted: 1983-11-08
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Expires: 2003-02-15
Abstract
Abstract A thermosetting composition exhibiting improved physical properties and little or no blistering is provided consisting essentially of a CO2 or O2 terminated high vinyl alkadiene polymer, an inorganic filler, an organic peroxide compound, and a polyolefin modifier.
Inventors
- 👤 Guy Senatore
- 👤 Ralph C. Farrar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:07
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/14; C08C; C08C19/00; C08C19/30; C08C19/42; C08C19/44; C08L; C08L9/00; C08K3/00; C08K3/18; C08K3/24; C08K3/26; C08L23/00; C08L23/02; C08L23/10; C08L23/12; C08L23/18; C08L23/20; C08L23/22
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
90 words
A thermosetting composition comprising: (a) 100 parts by weight of an O 2 or CO 2 terminated high vinyl alkadiene polymer, said alkadiene having 4-8 carbon atoms per molecule with the polymer having at least 50 percent content of 1,2 bonded vinyl units; (b) 2-10 parts by weight of organic peroxide compound; (c) 5-90 parts by weight polyolefin modifier; and (d) 50-1,000 parts by weight of inorganic filler selected from the group consisting of Group IIA metal carbonates, talc, mica, clay, wollastonite, aluminum trihydrate, and solid or hollow glass beads.
Claim 2
Dependent Claim
90 words
A thermosetting composition comprising: (a) 100 parts by weight of an O 2 or CO 2 terminated high vinyl alkadiene polymer, said alkadiene having 4-8 carbon atoms per molecule with the polymer having at least 50 percent content of 1,2 bonded vinyl units; (b) 2-10 parts by weight of organic peroxide compound; (c) 5-90 parts by weight polyolefin modifier; and (d) 50-1,000 parts by weight of inorganic filler selected from the group consisting of Group IIA metal carbonates, talc, mica, clay, wollastonite, aluminum trihydrate, and solid or hollow glass beads.
Claim 3
Dependent Claim
44 words
A composition according to claim 1 further containing: (a) 0-10 parts by weight of mold release agents; (b) 0-5 parts by weight of coupling agents; (c) 0-10 parts by weight of cross-linkable plasticizers; and (d) 0-300 parts by weight of glass fiber reinforcing agent.
Claim 4
Dependent Claim
27 words
A composition according to claim 1 wherein said high vinyl alkadiene polymer has an average molecular weight in the range of from about 1,000 to about 50,000.
Claim 5
Dependent Claim
15 words
A composition according to claim 3 wherein said vinyl alkadiene polymer consists essentially of 1,3-polybutadiene.
Claim 6
Dependent Claim
29 words
A composition according to claim 1 wherein said organic peroxide compound is at least one selected from the group consisting of alpha, alpha'-bis(tert-butylperoxy) diisopropylbenzene, 2,5-dimethyl-2,5-bis(tert-butylperoxy) hexane, and 2,5-dimethyl-2,5-bis(tert-butylperoxy) hexyne.
Claim 7
Dependent Claim
36 words
A composition according to claim 1 wherein said inorganic filler is selected from the group consisting of Group IIA metal carbonates, talc, mica, clay, wollastonite, aluminum trihydrate, and solid or hollow glass beads and mixtures thereof.
Claim 8
Dependent Claim
17 words
A composition according to claim 6 wherein said filler is a carbonate of a Group IIA metal.
Claim 9
Dependent Claim
13 words
A composition according to claim 7 wherein said Group IIA metal is calcium.
Claim 10
Dependent Claim
37 words
A composition according to claim 1 wherein said polyolefin modifier is at least one selected from the group consisting of atactic polypropylene, polyethylene, polypropylene, polyisobutylene, polybutylene, ethylene-propylene copolymers, ethylene-butylene copolymers, ethylene-isobutylene copolymers, propylene-butylene copolymers and propylene-isobutylene copolymers.
Claim 11
Dependent Claim
21 words
A composition according to claim 9 wherein polyolefin modifier is one selected from the group consisting of atactic polypropylene and polyisobutylene.
Claim 12
Dependent Claim
30 words
A composition according to claim 2 wherein said mold release agent is selected from the group consisting of the metal salts of a C 10 to C 20 fatty acid.
Claim 13
Dependent Claim
28 words
A composition according to claim 11 wherein said mold release agent is one selected from the group consisting of the stearates of zinc, aluminum, barium, calcium, and magnesium.
Claim 14
Dependent Claim
14 words
A composition according to claim 12 wherein said mold release agent is zinc stearate.
Claim 15
Dependent Claim
24 words
A composition according to claim 2 wherein said coupling agent is at least one selected from the group consisting of organic silanes, and titanates.
Claim 16
Dependent Claim
12 words
A composition according to claim 14 wherein said coupling agent is gamma-methacryloxypropyltrimethoxysilane.
Claim 17
Dependent Claim
32 words
A composition according to claim 2 wherein said cross-linkable plasticizer is one selected from the group consisting of an ester of an acrylic acid, a substituted acrylic acid, and a polyfunctional alcohol.
Claim 18
Dependent Claim
14 words
A composition according to claim 16 wherein said cross-linkable plasticizer is trimethylacrylate of trimethylolpropane.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1986-11-07 | 1987-05-09 | 1987-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-07 | 1991-05-09 | 1991-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-07 | 1995-05-09 | 1995-11-08 | $7700.00 | Window Closed / Lapsed |