# US 10,308,670 B2 · Silanol compound, composition, and method for producing silanol compound

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- Number: US 10,308,670 B2
- Document ID: US10308670B2
- Status: Granted
- Kind: B2
- Application number: 15/116,063
- Filed: 2015-02-03
- Published: 2017-06-29
- Granted: 2019-06-04
- Earliest claimed: 2014-02-03
- Assignees: National Institute of Advanced Industrial Science and Technology
- Applicants: National Institute of Advanced Industrial Science and Technology
- Inventors: Masayasu Igarashi; Shigeru Shimada; Kazuhiko Sato; Tomohiro Matsumoto
- Web page: https://patentgrep.com/patent/US10308670B2

## CPC

- C07F 7/0836: {Compounds with one or more Si-OH or Si-O-metal linkage}
- B01J 23/40: of the platinum group metals
- B01J 23/44: Palladium
- B01J 23/462: {Ruthenium}
- B01J 23/464: {Rhodium}
- B01J 23/52: Gold
- B01J 37/0201: {Impregnation}
- B01J 37/03: Precipitation; Co-precipitation
- C01B 33/12: Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C07F 7/0874: {Reactions involving a bond of the Si-O-Si linkage}
- C07F 7/1892: {by reactions not provided for in C07F7/1876 - C07F7/1888}
- C07F: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins C07D487/22)
- B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C}

## Abstract

The purpose of the present invention is to provide silanol compounds that can be used as raw materials of siloxane compounds and the like, and a composition of the silanol compounds, as well as to provide a production method that makes it possible to produce silanol compounds at excellent yield. A composition comprising 5 mass % to 100 mass % of a silanol compound represented by Formulas (A) to (C) can be prepared by devising to produce silanol compounds under water-free conditions, to produce silanol compounds in a solvent having the effect of suppressing the condensation of silanol compounds, and to perform other such processes, the composition being able to be used as a raw material or the like of siloxane compounds because the silanol compounds can be stably present in the resulting composition.

## Claims

### Claim 1

A composition comprising 5 mass % to less than 100 mass % of a silanol compound represented by the following Formula (D):

### Claim 2 (depends on 1)

The composition according to claim 1, wherein the amount of water is 25 mass % or less.

### Claim 3 (depends on 1)

The composition according to claim 1, comprising more than 0 mass % and less than 95 mass % of at least one compound selected from the group consisting of an amine compound and an amide compound.

### Claim 4 (depends on 3)

The composition according to claim 3, wherein the amide compound is tetramethylurea.

### Claim 5 (depends on 1)

The composition according to claim 1, comprising an ammonium salt, wherein a ratio of the ammonium salt to the silanol compound represented by Formula (D) [(total substance amount of the ammonium salt)/(total substance amount of the silanol compound)] is greater than 0 and equal to or less than 4.

### Claim 6 (depends on 1)

The composition according to claim 1, which is a solid body.