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Adhesive compound for reinforcing plies for tyres
US10907017B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10907017-B2 |
| Application number | US-201716099512-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 11, 2017 |
| Priority date | May 12, 2016 |
| Publication date | Feb 2, 2021 |
| Grant date | Feb 2, 2021 |
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Abstract
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An adhesive composition that can be applied to reinforcing plies of textile material for tyres and comprising (a) an elastomeric rubber latex, (b) a precondensed resin composed of resorcinol and formaldehyde and comprising protected isocyanate groups, (c) lignin and (d) a compound chosen from urea and thiourea.
First claim
Opening claim text (preview).
The invention claimed is: 1. An adhesive composition suited to be applied to reinforcing plies of textile material for tyres; said adhesive composition being a single basic aqueous solution comprising (a) a latex of an elastomeric rubber and (b) a precondensed resin composed of resorcinol and formaldehyde and comprising protected isocyanate groups; said adhesive composition being characterized in that said single aqueous solution further comprises (c) lignin and (d) thiourea. 2. Adhesive composition according to claim 1 , characterized in that said elastomeric rubber latex comprises a styrene-butadiene-vinylpyridine latex or a latex from a mixture of styrene-butadiene-vinylpyridine and styrene-butadiene. 3. Adhesive composition according to claim 1 , characterized in that the lignin is sulfonated lignin. 4. Adhesive composition according to claim 1 , characterized in that it comprises from 5 to 25 phr of said precondensed resin, from 1 to 10 phr of lignin and from 1 to 10 phr of the compound chosen from urea and thiourea. 5. Reinforcing ply of textile material for tyres soaked in the adhesive composition according to claim 1 . 6. Tyre comprising a reinforcing ply of textile material according to claim 5 .
Assignees
Inventors
Classifications
- B60C1/00Primary
Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition · CPC title
Urea; Derivatives thereof, e.g. biuret · CPC title
Amines; Quaternary ammonium compounds · CPC title
Modified phenol-aldehyde condensates · CPC title
Lignin · CPC title
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- What does patent US10907017B2 cover?
- An adhesive composition that can be applied to reinforcing plies of textile material for tyres and comprising (a) an elastomeric rubber latex, (b) a precondensed resin composed of resorcinol and formaldehyde and comprising protected isocyanate groups, (c) lignin and (d) a compound chosen from urea and thiourea.
- Who is the assignee on this patent?
- Bridgestone Corp
- What technology area does this patent fall under?
- Primary CPC classification B60C1/00. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 02 2021 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).