Composite material and molded article
US-2016083899-A1 · Mar 24, 2016 · US
Carbon fiber-reinforced molded article
US10329392B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10329392-B2 |
| Application number | US-201615561906-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 30, 2016 |
| Priority date | Mar 31, 2015 |
| Publication date | Jun 25, 2019 |
| Grant date | Jun 25, 2019 |
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- Title
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Abstract
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There is provided a carbon fiber-reinforced molded article that avoids peeling of carbon fibers from a base material and has high strength, the carbon fiber-reinforced molded article comprising a base material and a composite material dispersed in the base material, wherein the composite material comprises carbon fibers and a structure formed on the surface of the carbon fibers and including a plurality of carbon nanotubes, the plurality of carbon nanotubes forms a network structure in which the carbon nanotubes are directly connected to one another, and the plurality of carbon nanotubes is directly attached to the surface of the carbon fibers by using a portion of the surface thereof as an attaching portion, and also is physically bound to the surface of the carbon fibers via a binding member provided on at least a portion other than the attaching portion.
First claim
Opening claim text (preview).
The invention claimed is: 1. A carbon fiber-reinforced molded article comprising a base material and a composite material dispersed in the base material, wherein the composite material comprises a carbon fiber and a structure formed on a surface of the carbon fiber and including a plurality of carbon nanotubes, the plurality of carbon nanotubes form a network structure in which the carbon nanotubes are directly connected to one another, the plurality of carbon nanotubes are directly attached to the surface of the carbon fiber in a state that no intervening material exists between the plurality of carbon nanotubes and the surface of the carbon fiber by using a portion of the surface thereof as an attaching portion, and also are physically bound to the surface of the carbon fiber via a binding member provided on at least a portion other than the attaching portion that is defined between the carbon nanotubes and the carbon fiber, and the plurality of carbon nanotubes intervene between the base material and the carbon fiber, wherein a material of the binding member differs from a material of the base material. 2. The carbon fiber-reinforced molded article according to claim 1 , wherein the binding member is a cured product of a thermosetting resin. 3. The carbon fiber-reinforced molded article according to claim 2 , wherein the thermosetting resin is selected from epoxy resins, phenol resins, polyurethane resins, melamine resins, urea resins, and polyimide resins. 4. The carbon fiber-reinforced molded article according to claim 3 , wherein the thermosetting resin is an epoxy resin. 5. The carbon fiber-reinforced molded article according to claim 1 , wherein the base material is a cured product of a thermoplastic resin. 6. The carbon fiber-reinforced molded article according to claim 5 , wherein the thermoplastic resin is a non-polar resin. 7. The carbon fiber-reinforced molded article according to claim 6 , wherein the non-polar resin is polypropylene. 8. The carbon fiber-reinforced molded article according to claim 1 , wherein the base material is a cured product of a resin comprising 1 to 20 vol. % of a filler. 9. The carbon fiber-reinforced molded article according to claim 8 , wherein the resin is a thermoplastic resin. 10. The carbon fiber-reinforced molded article according to claim 8 , wherein the filler is selected from carbon nanotubes, carbon nanofibers, and carbon black. 11. The carbon fiber-reinforced molded article according to claim 2 , wherein the base material is a cured product of a thermoplastic resin.
Assignees
Inventors
Classifications
- C08J5/042Primary
with carbon fibres · CPC title
Carbon nanotubes · CPC title
Thermosetting resins · CPC title
Thermoplastic resins · CPC title
Fillers, pigments or reinforcing additives · CPC title
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- What does patent US10329392B2 cover?
- There is provided a carbon fiber-reinforced molded article that avoids peeling of carbon fibers from a base material and has high strength, the carbon fiber-reinforced molded article comprising a base material and a composite material dispersed in the base material, wherein the composite material comprises carbon fibers and a structure formed on the surface of the carbon fibers and including a …
- Who is the assignee on this patent?
- Nitta Corp
- What technology area does this patent fall under?
- Primary CPC classification C08J5/042. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 25 2019 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).