Xerogel production method
US-2015360961-A1 · Dec 17, 2015 · US
Aerogel and manufacturing method thereof
US10377637B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10377637-B2 |
| Application number | US-201515327839-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 5, 2015 |
| Priority date | Nov 11, 2014 |
| Publication date | Aug 13, 2019 |
| Grant date | Aug 13, 2019 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
In a method for manufacturing an aerogel, an acid is added to a first aqueous high-molar-ratio silicate solution that includes silica particles having a mean particle diameter of from 1 nm to 10 nm and that is alkaline, to produce a gel. The gel is subjected to a dehydration condensation to obtain a hydrogel. The hydrogel is converted into a hydrophobized gel. Then, the hydrophobized gel is dried. According to the method, an aerogel having a pore volume of from 3.00 cc/g to 10 cc/g, a mean pore diameter of from 10 nm to 68 nm, and a specific surface area of from 200 m2/g to 475 m2/g can be prepared.
First claim
Opening claim text (preview).
The invention claimed is: 1. A silica aerogel having a pore volume of from 3.04 cc/g to 3.69 cc/g, a mean pore diameter of from 32.2 nm to 42.7 nm, and a specific surface area of from 315 m 2 /g to 378 m 2 /g. 2. The silica aerogel according to claim 1 , having a porosity of from 86.9% to 89.1%, and a bulk density of from 0.24 g/cm 3 to 0.29 g/cm 3 . 3. The silica aerogel according to claim 2 , having a porosity of from 87.9% to 89.1%, and a bulk density of from 0.26 g/cm 3 to 0.29 g/cm 3 . 4. The silica aerogel according to claim 1 , comprising fibers or an unwoven fabric having a unit weight of 0.5 g/m 2 or less. 5. The silica aerogel according to claim 1 , comprising fibers or an unwoven fabric having a unit weight of more than 0.05 g/m 2 to 0.25 g/m 2 .
Assignees
Inventors
Classifications
Pore diameter · CPC title
Pore volume · CPC title
- C01B33/16Primary
Preparation of silica xerogels · CPC title
Surface area · CPC title
- C01B33/1585Primary
Dehydration into aerogels · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US10377637B2 cover?
- In a method for manufacturing an aerogel, an acid is added to a first aqueous high-molar-ratio silicate solution that includes silica particles having a mean particle diameter of from 1 nm to 10 nm and that is alkaline, to produce a gel. The gel is subjected to a dehydration condensation to obtain a hydrogel. The hydrogel is converted into a hydrophobized gel. Then, the hydrophobized gel is dri…
- Who is the assignee on this patent?
- Panasonic Ip Man Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification C01B33/16. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Aug 13 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).