Compositions for grafting fragrance substances
This disclosure relates to composition for grafting fragrance substances, as well as related articles, consumer products, and methods.
1. A grafting composition, comprising:
a fragrance;
a coupling agent;
a polymerizable prepolymer which is a polymerizable monomer or oligomer selected from the group consisting of: acrylonitrile, sodium vinyl sulfonate, an ester, an alkylpyrrolidone, a carbodiimide, or a mixture thereof;
a graft initiator;
a catalyst; and at least one of
terpene or benzyl benzoate
wherein the coupling agent is a silane of formula (I):
Si—R 1 R 2 R 3 R 4 (I),
in which R 1 is C 1 -C 10 alkyl or C 2 -C 10 alkenyl, and
each of R 2 , R 3 , and R 4 , independently, is C 1 -C 10 alkyl, C 1 -C 10 alkoxy, or C 6 -C 30 aryl and the composition comprises from 0.1 ppm to 5000 ppm of the coupling agent.
2. The grafting composition of claim 1 , wherein R 1 is vinyl and each of R 2 , R 3 , and R 4 is methoxy.
3. The grafting composition of claim 1 , wherein the composition comprises from 2 wt % to 50 wt % of the prepolymer.
4. The grafting composition of claim 1 , wherein the graft initiator comprises a salt of Ag, Fe, Co, or Cu, or a mixture thereof.
5. The grafting composition of claim 4 , wherein the graft initiator consists of silver perchlorate.
6. The grafting composition of claim 1 , wherein the composition comprises from 0.01 ppm to 10 ppm of the graft initiator.
7. The grafting composition of claim 1 , wherein the catalyst comprises a peroxide, a peracid, a perbenzoate, a metabisulfite, a persulfate, or a mixture thereof.
8. The grafting composition of claim 7 , wherein the catalyst consists of urea peroxide.
9. The grafting composition of claim 1 , wherein the composition comprises from 0.01 ppm to 10 ppm of the catalyst.
10. The grafting composition of claim 1 , further comprising a surfactant.
11. The grafting composition of claim 1 , wherein the composition comprises from 1 wt % to 80 wt % of the fragrance.
12. The grafting composition of claim 1 , wherein the composition comprises from 10 wt % to 80 wt % of a solvent.
13. The grafting composition of claim 1 , wherein the composition comprises from 1 wt % to 80 wt % of the fragrance, from 2 wt % to 50 wt % of the prepolymer, from 0.01 ppm to 10 ppm of the graft initiator, and from 0.01 ppm to 10 ppm of the catalyst.
14. The grafting composition of claim 1 , wherein the composition comprises from 1 wt % to 80 wt % of the fragrance, from 2 wt % to 50 wt % of the prepolymer, from 0.01 ppm to 10 ppm of the graft initiator, from 0.01 ppm to 10 ppm of the catalyst, from 0.01 wt % to 0.5 wt % of the surfactant, and from 10 wt % to 80 wt % of the solvent.
15. The grafting composition of claim 1 , wherein:
the graft initiator consists of silver perchlorate, and,
the catalyst consists of urea peroxide.
16. The grafting composition of claim 1 , wherein the prepolymer is a resin.
17. A grafting composition, comprising:
a fragrance;
a coupling agent;
a rosin ester;
silver perchlorate;
urea peroxide; and at least one of
terpene or benzyl benzoate;
wherein the coupling agent is a silane of formula (I):
Si—R 1 R 2 R 3 R 4 (I),
in which R 1 is C 1 -C 10 alkyl or C 2 -C 10 alkenyl, and
each of R 2 , R 3 , and R 4 , independently, is C 1 -C 10 alkyl, C 1 -C 10 alkoxy, or C 6 -C 30 aryl and the composition comprises from 0.1 ppm to 5000 ppm of the coupling agent.
18. A grafting composition according to claim 17 , comprising a polybutylene prepolymer.
19. A grafting composition according to claim 17 , comprising vinyltrimethoxy silane.
20. A grafting composition according to claim 17 , comprising beta-(3,4-epoxycyclohexylethyltriethoxysilane).
21. A grafting composition comprising a fragrance, an isobutylene/butylene copolymer, a hydrogenated rosin ester, benzyl benzoate, a terpene, a mineral oil, a non-ionic surfactant, trimethoxyvinylsilane, a polyalkylene glycol, an organomodified polydimethylsiloxane, urea peroxide, and silver perchlorate.
22. A consumer product, comprising the composition of claim 1 .
23. The product of claim 22 , wherein the product is a detergent, a softener, a deodorant, a shampoo, a fabric refresher, a dryer sheet, or a surface cleaner.
24. A method of washing a cloth item, comprising:
applying a composition of claim 1 to the cloth item;
washing the cloth item.
25. The method of claim 24 , further comprising drying the cloth item after the washing step.
26. An article, comprising the grafting composition of claim 1 , wherein the composition forms a compound including a fragrance moiety bonded to a polymeric moiety and wherein the compound is bonded to the article.
27. The article of claim 26 , wherein the fragrance moiety is covalently bonded to the polymeric moiety.
28. The article of claim 27 , wherein the fragrance moiety is covalently bonded to the polymeric moiety through a silane moiety.
29. The article of claim 26 , wherein the compound is covalently bonded to the surface.
30. The article of claim 29 , wherein the compound is covalently bonded to the surface through a siloxane moiety.
31. The article of claim 26 , wherein the article is a cloth item.