Coating composition and laminate
US-2024093052-A1 · Mar 21, 2024 · US
Coating composition, coating film, and laminated body
US11098217B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11098217-B2 |
| Application number | US-201615548957-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 12, 2016 |
| Priority date | Feb 16, 2015 |
| Publication date | Aug 24, 2021 |
| Grant date | Aug 24, 2021 |
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Abstract
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A coating composition that provides a coating film having better abrasion resistance. The composition includes: a fluororesin; and inorganic particles, the inorganic particles having a new Mohs hardness of 10 or higher and a substantially spherical shape. Also disclosed is a coating film produced from the coating composition and a laminate such as a cooking utensil including a substrate and the coating film.
First claim
Opening claim text (preview).
The invention claimed is: 1. A laminate comprising: a primer layer; and a top coat produced from a coating composition, the coating composition comprising a fluororesin; and inorganic particles, the inorganic particles having a new Mohs hardness of 10 or higher, and having an average particle size of 17 to 34 μm, wherein the inorganic particles are silicon carbide particles, wherein the amount of the inorganic particles is 2 to 20% by mass relative to the amount of the fluororesin, wherein the inorganic particles viewed from an arbitrary angle have an average circularity of 0.92 to 0.98, and wherein the fluororesin contained includes polytetrafluoroethylene alone. 2. The laminate according to claim 1 , further comprising: a substrate. 3. The laminate according to claim 1 , which is a cooking utensil. 4. The laminate according to claim 1 , wherein the inorganic particles viewed from an arbitrary angle have an average circularity of 0.95 to 0.98.
Assignees
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Classifications
- C09D127/18Primary
Homopolymers or copolymers of tetrafluoroethene · CPC title
- C09D7/61Primary
inorganic · CPC title
of aluminium · CPC title
the materials being non-metallic · CPC title
containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure · CPC title
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- What does patent US11098217B2 cover?
- A coating composition that provides a coating film having better abrasion resistance. The composition includes: a fluororesin; and inorganic particles, the inorganic particles having a new Mohs hardness of 10 or higher and a substantially spherical shape. Also disclosed is a coating film produced from the coating composition and a laminate such as a cooking utensil including a substrate and the…
- Who is the assignee on this patent?
- Daikin Ind Ltd
- What technology area does this patent fall under?
- Primary CPC classification C09D127/18. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 24 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).