Tire sidewall composition and tire sidewall
US-2024392114-A1 · Nov 28, 2024 · US
Body ply skim compound
US10844219B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10844219-B2 |
| Application number | US-201716077253-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 20, 2017 |
| Priority date | Mar 24, 2016 |
| Publication date | Nov 24, 2020 |
| Grant date | Nov 24, 2020 |
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Abstract
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Body ply skim compound comprising a cross-linkable unsaturated chain polymer base, a filler material, a vulcanization system and a polyepihalohydrin rubber. The compound comprises epoxidized natural rubber as a cross-linkable unsaturated chain polymer base and a laminated structure material as a filler material.
First claim
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The invention claimed is: 1. A body ply skim compound comprising a cross-linkable unsaturated chain polymer base, a filler material and a vulcanization system; said compound being characterized by comprising: (a) polyepihalohydrin rubber; (b) epoxidized natural rubber as the cross-linkable unsaturated chain polymer base; and (c) a laminated structure material as a filler material; and said compound being characterized in that said cross-linkable unsaturated chain polymer base consists exclusively of epoxidized natural rubber. 2. The body ply skim compound according to claim 1 , characterized in that said polyepihalohydrin rubber is a rubber deriving from epichlorohydrin homopolymer, from epichlorohydrin/allyl-glycidyl ether copolymer, from epichlorohydrin/ethylene oxide copolymer or from epichlorohydrin/ethylene oxide/allyl-glycidyl ether terpolymer. 3. The body ply skim compound according to claim 1 , characterized in that said laminated structure material has a diameter between 0.2 and 2 mm and an aspect ratio between 5 and 30. 4. The body ply skim compound according to claim 3 , characterized in that said laminated structure material has an aspect ratio between 8 and 20. 5. The body ply skim compound according to claim 1 , characterized in that said laminated structure material is comprised within the group made up of kaolin, clay, mica, feldspar, silica, graphite, bentonite and alumina. 6. The body ply skim compound according to claim 1 , characterized by comprising from 30 to 50 phr of epoxidized natural rubber, from 50 to 70 phr of polyepihalohydrin rubber and from 40 to 60 phr of said laminated structure material. 7. A body ply skim portion, characterized in that it is made with the compound according to claim 1 . 8. A tire characterized by comprising a body ply skim portion according to claim 7 .
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- What does patent US10844219B2 cover?
- Body ply skim compound comprising a cross-linkable unsaturated chain polymer base, a filler material, a vulcanization system and a polyepihalohydrin rubber. The compound comprises epoxidized natural rubber as a cross-linkable unsaturated chain polymer base and a laminated structure material as a filler material.
- Who is the assignee on this patent?
- Bridgestone Corp
- 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 Tue Nov 24 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). 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).