Granular adhesive agent
US-2017051188-A1 · Feb 23, 2017 · US
Composite particles, composite particles for forming liquid-encapsulating particles, liquid-encapsulating particles, method for producing liquid-encapsulating particles, biocatalyst-containing material, biocatalyst-containing material producing apparatus, and biocatalyst-containing material producing method
US11795276B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11795276-B2 |
| Application number | US-202016943570-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 30, 2020 |
| Priority date | Jul 31, 2019 |
| Publication date | Oct 24, 2023 |
| Grant date | Oct 24, 2023 |
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- Title
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Abstract
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Provided are composite particles including hydrophobic solid particle A and hydrophobic solid particle B over surface of hydrophobic solid particle A, wherein contact angle CAa of hydrophobic solid particle A with water is 110 degrees≤CAa≤180 degrees, contact angle CAb of hydrophobic solid particle B with water is 110 degrees≤CAb≤180 degrees, ratio (d50a/d50b) of number average particle diameter d50a of hydrophobic solid particle A to number average particle diameter d50b of hydrophobic solid particle B is 10≤(d50a/d50b)≤100, and coating ratio CR of composite particles expressed by Formula 1 is 50%≤CR≤500%, Coating ratio CR ( % ) = π ( d 50 b / 2 ) 2 4 π ( d 50 a / 2 + d 50 b / 2 ) 2 × { X b ( g ) / Y b ( g / μm 3 ) / Z b ( μm 3 ) } { X a ( g ) / Y a ( g / μm 3 ) / Z a ( μm 3 ) } × 100 Formula 1 where in Formula 1, Xa, Ya, and Za represent mass (g), density (g/cubic micrometer), and volume (cubic micrometer) of hydrophobic solid particle A, and Xb, Yb, and Zb represent mass (g), density (g/cubic micrometer), and volume (cubic micrometer) of hydrophobic solid particle B.
First claim
Opening claim text (preview).
What is claimed is: 1. Composite particles comprising: a hydrophobic solid particle A; and a hydrophobic solid particle B over a surface of the hydrophobic solid particle A, wherein a contact angle CAa of the hydrophobic solid particle A with water is 110 degrees or greater but 180 degrees or less, wherein a contact angle CAb of the hydrophobic solid particle B with water is 110 degrees or greater but 180 degrees or less, wherein a ratio (d50a/d50b) of a number average particle diameter d50a of the hydrophobic solid particle A to a number average particle diameter d50b of the hydrophobic solid particle B is 10 or greater but 100 or less, and wherein a coating ratio CR of the composite particles expressed by Formula 1 below is 50% or higher but 500% or lower, Coating ratio CR ( % ) = π ( d 50 b / 2 ) 2 4 π ( d 50 a / 2 + d 50 b / 2 ) 2 × [ X b ( g ) / Y b ( g / μ m 3 ) / Z b ( μ m 3 ) ] [ X a ( g ) / Y a ( g / μ
Assignees
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Classifications
- C08J3/128Primary
Polymer particles coated by inorganic and non-macromolecular organic compounds · CPC title
Polymer particles coated by polymer, e.g. core shell structures · CPC title
of metals · CPC title
Silica · CPC title
Ethers; Acetals; Ketals; Ortho-esters · CPC title
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- What does patent US11795276B2 cover?
- Provided are composite particles including hydrophobic solid particle A and hydrophobic solid particle B over surface of hydrophobic solid particle A, wherein contact angle CAa of hydrophobic solid particle A with water is 110 degrees≤CAa≤180 degrees, contact angle CAb of hydrophobic solid particle B with water is 110 degrees≤CAb≤180 degrees, ratio (d50a/d50b) of number average particle diamete…
- Who is the assignee on this patent?
- Ricoh Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification C08J3/128. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Oct 24 2023 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).