Fluorinated surfactant containing compositions

Patent metadata

Field	Value
Publication number	US-10017713-B2
Application number	US-201515508939-A
Country	US
Kind code	B2
Filing date	Sep 10, 2015
Priority date	Sep 11, 2014
Publication date	Jul 10, 2018
Grant date	Jul 10, 2018

Abstract

A composition includes a fluorinated or perfluorinated organic solvent, and a fluorinated surfactant of the general formula (1): [Formula should be inserted here] Rf is a perfluoroalkyl group having 1-6 carbon atoms. Each occurrence of R 1 and R 2 is independently H or CH 3 , n is 1-3, and x is 1-3.

First claim

What is claimed is:

1. A composition comprising:
a fluorinated or perfluorinated organic solvent; and
a fluorinated surfactant of the general formula (1):

 where Rf is a perfluoroalkyl group having 1-6 carbon atoms; each occurrence of R 1 and R 2 is independently H or CH 3 ; n is 1-3; and x is 1-3.

2. The composition according to claim 1 , wherein the fluorinated surfactant is present in the composition in an amount of between 0.01 and 1 wt. % based on the total weight of the composition.

3. The composition according to claim 1 , wherein the organic solvent comprises a non-flammable fluorinated or perfluorinated organic solvent.

4. The composition according to claim 1 , wherein the fluorinated or perfluorinated organic solvent comprises a primary organic solvent that is present in the composition at greater than 50 wt. % based on the total weight of the composition, and wherein the primary organic solvent comprises a hydrofluoroether, hydrofluorocarbon, hydrofluoroolefin, hydrochlorofluoroolefin, fluoroketone, perfluoroketone, or combinations thereof.

5. The composition according to claim 4 , wherein the primary organic solvent comprises a hydrofluoroether.

6. The composition according to claim 5 , wherein the primary organic solvent comprises a segregated hydrofluoroether.

7. The composition according to claim 1 , wherein the fluorinated or perfluorinated organic solvent is present in the composition in an amount of at least 95 wt. %, based on the total weight of the composition.

8. The composition according to claim 1 , further comprising a co-solvent.

9. The composition according to claim 8 , wherein the co-solvent comprises an alcohol.

10. The composition according to claim 9 , wherein the co-solvent is present in the composition in an amount of between 1 and 10 wt. %, based on the total weight of the composition.

11. The composition according to claim 1 , further comprising a second fluorinated surfactant according to general formula (2):

where m is 1-3, each occurrence of R 4 is H or CH 3 , R 3 is H or an alkyl group, and Rf′ is a perfluoroalkyl group having 1-6 carbon atoms.

12. The composition according to claim 11 , wherein the second surfactant is present in the composition in an amount of between 0.01 and 1 wt. %, based on the total weight of the composition.

13. The composition according to claim 1 , wherein, Rf in general formula (1) is a perfluoroalkyl group having 4 carbon atoms and at least one of R 1 and R 2 is H.

14. A process for removing contaminants from a substrate, the process comprising contacting the substrate with a composition according to claim 1 .

Assignees

• 3M Innovative Properties Co

Inventors

• Lamanna William M
• Savu Patricia M
• Kehren Jason M
• Ng Liping Claryn
• Ikegaya Namiko

Classifications

• B08B5/02

  Cleaning by the force of jets, e.g. blowing-out cavities {(airguns or nozzles per se B05B1/005)} · CPC title

• B08B3/08

  the liquid having chemical or dissolving effect · CPC title

• B08B3/02

  Cleaning by the force of jets or sprays · CPC title

• C11D1/002 Primary

  Surface-active compounds containing sulfur (SO3 and SO4, C11D1/12; sulfonium compounds C11D1/60; sulfoxides C11D1/755; sulfobetaines C11D1/92) · CPC title

• C11D1/004

  Surface-active compounds containing F · CPC title