Tire sidewall composition and tire sidewall
US-2024392114-A1 · Nov 28, 2024 · US
Tire sidewall
US2017362413A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2017362413-A1 |
| Application number | US-201515535604-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 14, 2015 |
| Priority date | Dec 16, 2014 |
| Publication date | Dec 21, 2017 |
| Grant date | — |
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Abstract
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A tire sidewall, having a rubber composition based on at least a blend of polyisoprene, natural rubber or synthetic polyisoprene, and polybutadiene BR, a reinforcing filler comprising carbon black and silica, and a crosslinking system is provided. The reinforcing filler predominantly comprises silica, that the content of silica ranges from 20 to 40 parts per hundred parts of elastomer, phr, and the content of carbon black is less than or equal to 5 phr and that the total content of reinforcing filler is less than or equal to 45 phr.
First claim
Opening claim text (preview).
1 . A tire sidewall, having a rubber composition based on at least a blend of polyisoprene, natural rubber or synthetic polyisoprene, and polybutadiene BR, a reinforcing filler comprising carbon black and silica, and a crosslinking system, wherein the reinforcing filler predominantly comprises silica, the content of silica ranges from 20 to 40 parts per hundred parts of elastomer, phr, and the content of carbon black is less than or equal to 5 phr, and the total content of reinforcing filler is less than or equal to 45 phr. 2 . A tire sidewall according to claim 1 , in which the total content of reinforcing filler is less than or equal to 40 phr. 3 . A tire sidewall according to claim 1 , in which the content of silica is less than or equal to 35 phr. 4 . A tire sidewall according to claim 3 , in which the content of silica is less than or equal to 30 phr. 5 . A tire sidewall according to claim 1 , in which the content of natural rubber or of synthetic polyisoprene ranges from 20 to 80 phr and the content of BR ranges from 20 to 80 phr. 6 . A tire sidewall according to claim 5 , in which the content of natural rubber or of synthetic polyisoprene ranges from 50 to 80 phr. 7 . A tire sidewall according to claim 5 , in which the content of BR ranges from 30 to 50 phr. 8 . A tire sidewall according to claim 1 , in which the content of BR ranges from 50 to 80 phr. 9 . A tire comprising a sidewall according to claim 1 . 10 . A tire intended to be fitted to civil engineering vehicles comprising a sidewall according to claim 1 .
Assignees
Inventors
Classifications
- C08L7/00Primary
Compositions of natural rubber · CPC title
Silica · CPC title
Compositions of homopolymers or copolymers of conjugated diene hydrocarbons · CPC title
Compositions of the sidewalls · CPC title
Carbon · CPC title
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- What does patent US2017362413A1 cover?
- A tire sidewall, having a rubber composition based on at least a blend of polyisoprene, natural rubber or synthetic polyisoprene, and polybutadiene BR, a reinforcing filler comprising carbon black and silica, and a crosslinking system is provided. The reinforcing filler predominantly comprises silica, that the content of silica ranges from 20 to 40 parts per hundred parts of elastomer, phr, and…
- Who is the assignee on this patent?
- Michelin & Cie, Michelin Rech Tech
- What technology area does this patent fall under?
- Primary CPC classification C08L7/00. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Dec 21 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).