Claims
- 1. An antifog composition for cleaning glass comprising:
- water;
- from about 0.05 to about 20% by weight of an amphoteric surfactant having the formula ##STR7## wherein: R.sup.1 is C.sub.8-12 alkyl, R.sup.2 is a single bond, k is 1, l is 1-3, m is 1 or 2,
- R.sup.3 is --COOM (wherein M is H or alkali metal), n is 1-3, p is 1-3 and R.sup.4 is --COOM; and
- from about 0.01 to about 2.0% by weight of a quaternary compound selected from the group consisting of positively charged tetravalent nitrogen atom salts, wherein said quaternary compound has the formula ##STR8## wherein R.sup.5 is C.sub.1-18 alkyl or fatty acid, R.sup.6 and R.sup.7 are independently 2-hydroxyethyl or (poly)ethoxyethanol, R.sup.8 is a straight chain or branched, saturated or unsaturated C.sub.1-8 organic moiety, and X is a halogen, methyl sulfate or ethyl sulfate.
- 2. The antifog glass cleaning composition according to claim 1, wherein R.sup.5 is a C.sub.8-18 fatty acid, and R.sup.6 and R.sup.7 are independently --(CH.sub.2 --CH.sub.2 --O).sub.n CH.sub.2 CH.sub.2 --OH wherein n=1-50.
- 3. The antifog glass cleaning composition according to claim 3, wherein R.sup.7 is methyl or ethyl, and X is chloride.
- 4. The antifog glass cleaning composition according to claim 2, wherein said amphoteric surfactant is present in the amount of 0.25-1.25 weight percent and said quaternary compound is present in the amount of 0.075-1.25 weight percent.
- 5. The antifog glass cleaning composition according to claim 3, wherein said amphoteric surfactant is present in the amount of 0.5-1.0 weight percent and said quaternary compound is present in the amount of 0.1-1.0 weight percent.
- 6. The antifog glass cleaning composition according to claim 1, further comprising from 0-5.0 weight percent alcohol and from 0-1.5 weight percent monoethanolamine.
- 7. The antifog glass cleaning composition according to claim 4, further comprising from 0-4.0 weight percent alcohol and from 0-1.0 weight percent monoethanolamine.
- 8. The antifog glass cleaning composition according to claim 5, further comprising from 1.0-3.0 weight percent alcohol and from 0.2-0.6 weight percent monoethanolamine.
- 9. The antifog glass cleaning composition according to claim 1, wherein k is 1, R.sup.3 is --COOM, n is 1 or 2, and p is 1 or 2.
- 10. The antilog glass cleaning composition according to claim 9, wherein R.sup.1 is C.sub.9 alkyl, l is 2, m is 2, n is 2, and p is 1.
- 11. A method for creating a fog resistant surface comprising the steps of:
- (a) treating a glass surface by applying an effective amount of a composition to said glass surface, the composition comprising:
- water;
- from about 0.05 to about 20% by weight of an amphoteric surfactant having the formula ##STR9## wherein: R.sup.1 is C.sub.8-12 alkyl,
- R.sup.2 is a single bond, k is 1, l is 1-3, m is 1 or 2,
- R.sup.3 is --COOM (wherein M is H or alkali metal), n is 1-3, p is 1-3 and R.sup.4 is --COOM; and
- from about 0.01 to about 2.0% by weight of quaternary compound selected from the group consisting of positively charged tetravalent nitrogen atom salts, wherein said quaternary compound has the formula ##STR10## wherein R.sup.5 is C.sub.8-18 alkyl or fatty acid, R.sup.6 and R.sup.7 are independently 2-hydroxyethyl or (poly)ethoxyethanol, R.sup.8 is a straight chain or branched, saturated or unsaturated C.sub.1-8 organic moiety, and X is a halogen, methyl sulfate or ethyl sulfate; and
- (b) removing substantially all the residual composition from the glass surface.
- 12. The method of providing a fog resistant glass surface according to claim 11, wherein R.sup.5 is a C.sub.8-18 fatty acid and R.sup.6 and R.sup.7 are independently --(CH.sub.2 --CH.sub.2 --O).sub.n CH.sub.2 CH.sub.2 --OH wherein n=1-50.
- 13. The method of providing a fog resistant surface according to claim 12, wherein R.sup.7 is methyl or ethyl, and X is chloride.
- 14. The method of providing a fog resistant surface according to claim 12, wherein said amphoteric surfactant is present in the amount of 0.25-1.25 weight percent and said quaternary compound is present in the amount of 0.075-1.25 weight percent.
- 15. The method of providing a fog resistant surface according to claim 13, wherein said amphoteric surfactant is present in the amount of 0.5-1.0 weight percent and said quaternary compound is present in the amount of 0.1-1.0 weight percent.
- 16. The method of providing a fog resistant surface according to claim 14, wherein the antifog composition further comprises from 0-5.0 weight percent alcohol and from 0-1.5 weight percent monoethanolamine.
- 17. The method of providing a fog resistant surface according to claim 15, wherein the antifog composition further comprises from 0-4.0 weight percent alcohol and from 0-1.0 weight percent monoethanolamine.
- 18. The method of providing a fog resistant surface according to claim 16, wherein the antifog composition further comprises from 1.0-3.0 weight percent alcohol and from 0.2-0.6 weight percent monoethanolamine.
- 19. The method of providing a fog resistant glass surface according to claim 11, wherein k is 1, R.sup.3 is --COOM, n is 1or 2, and p is 1 or 2.
- 20. The method of providing a fog resistant surface according to claim 19, wherein R.sub.1 is C.sub.9 alkyl, l is 2, m is 2, n is 2, and p is 1.
Parent Case Info
This application is a continuation of application Ser. No. 08/255,635 filed on Jun. 9, 1994, now abandoned.
US Referenced Citations (19)
Foreign Referenced Citations (1)
Number |
Date |
Country |
595383A1 |
May 1994 |
EPX |
Non-Patent Literature Citations (1)
Entry |
Witco Data Sheets 1/92 & 3/92 for Rewoteric AMV and Rewoteric AM 2CSF. |
Continuations (1)
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Number |
Date |
Country |
Parent |
255635 |
Jun 1994 |
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