EP0548799A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Diene polymers and copolymers terminated by reaction with fused-ring polynuclear aromatic compounds
Assignee: Bridgestone Firestone Inc
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Filing: 1992-12-17
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Granted: —
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Expires: 2012-12-17
Abstract
Abstract A terminally functionalized polymer is prepared by reacting a living polymer obtained by anionic polymerization of a diene monomer or mixture of a diene monomer and a vinyl aromatic hydrocarbon monomer with a fused-ring polynuclear aromatic compound. The resultant terminally functionalized polymers have reduced hysteresis in the carbon black reinforced and cured state and can be utilized to form elastomer compositions for tire treads having reduced rolling resistance.
Inventors
- 👤 David F. Lawson
- 👤 Mark L. Stayer Jr.
- 👤 Thomas A. Antkowiak
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 02:23
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/30; C08C19/42; C08C19/44; Y; Y02; Y02T; Y02T10/00; Y02T10/80; Y02T10/86
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
36 words
A terminally functionalized polymer prepared by reacting a living polymer obtained by anionic polymerization of a diene monomer or a mixture of a diene monomer and vinyl aromatic hydrocarbon monomer with a fused-ring polynuclear aromatic compound.
Claim 2
Dependent Claim
24 words
The terminally functionalized polymer of claim 1 wherein said terminally functionalized polymer is a polymer of butadiene or a copolymer of butadiene and styrene.
Claim 3
Dependent Claim
35 words
The terminally functionalized polymer of claim 1 wherein said fused-ring polynuclear aromatic compound is selected from the group consisting of derivatives of anthracenes, benzanthrenes, phenanthrenes, benzphenanthrenes, pyrenes, benzopyrenes, benzanthracenes, benzoquinolines and their higher fused-ring analogues.
Claim 4
Dependent Claim
15 words
The terminally functionalized polymer of claim 1 wherein said fused-ring polynuclear aromatic compound is perinaphthenone.
Claim 5
Dependent Claim
15 words
The terminally functionalized polymer of claim 1 wherein said fused-ring polynuclear aromatic compound is benzanthrone.
Claim 6
Dependent Claim
44 words
A process for preparing a terminally functionalized polymer from a living polymer obtained by anionic polymerization of a diene monomer or mixture of a diene monomer and a vinyl aromatic hydrocarbon monomer which comprises reacting the living polymer with a fused-ring polynuclear aromatic compound.
Claim 7
Dependent Claim
22 words
The process of claim 6 wherein said living polymer is a living polymer of butadiene or a copolymer of butadiene and styrene.
Claim 8
Dependent Claim
33 words
The process of claim 6 wherein said fused-ring polynuclear aromatic compound is selected from the group consisting of derivatives of anthracenes, benzanthrenes, phenanthrenes, benzphenanthrenes, pyrenes, benzopyrenes, benzanthracenes, benzoquinolines and their higher fused-ring analogues.
Claim 9
Dependent Claim
13 words
The process of claim 6 wherein said fused-ring polynuclear aromatic compound is perinaphthenone.
Claim 10
Dependent Claim
13 words
The process of claim 6 wherein said fused-ring polynuclear aromatic compound is benzanthrone.
Claim 11
Dependent Claim
64 words
An elastomer composition adapted for use in forming the treads of tires having reduced rolling resistance which comprises a terminally functionalized elastomeric polymer and rubber additives, wherein said terminally functionalized polymer is prepared by reacting a living polymer obtained by anionic polymerization of a diene monomer or mixture of a diene monomer and a vinyl aromatic hydrocarbon monomer with a fused-ring polynuclear aromatic compound.
Claim 12
Dependent Claim
22 words
The elastomer composition of claim 11 wherein said terminally functionalized polymer is a polymer of butadiene or copolymer of butadiene and styrene.
Claim 13
Dependent Claim
34 words
The elastomer composition of claim 11 wherein said fused-ring polynuclear aromatic compound is selected from the group consisting of derivatives of anthracenes, benzanthrenes, phenanthrenes, benzphenanthrenes, pyrenes, benzopyrenes, benzanthracenes, benzoquinolines and their higher fused-ring analogues.
Claim 14
Dependent Claim
14 words
The elastomer composition of claim 11 wherein said fused-ring polynuclear aromatic compound is perinaphthenone.
Claim 15
Dependent Claim
14 words
The elastomer composition of claim 11 wherein said fused-ring polynuclear aromatic compound is benzanthrone.
References Cited (Backward Citations)
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