05-10-2017 дата публикации
Номер: US20170281480A1
Принадлежит:
Methods of preparing a capsule delivery system having two or more different capsules. Also disclosed are capsule delivery systems and consumer products containing such a capsule delivery system. 136-. (canceled)38. The method of claim 37 , wherein each of the first and second capsule walls claim 37 , independently claim 37 , is formed of a polyacrylate claim 37 , polyurea claim 37 , polyurethane claim 37 , polyacrylamide claim 37 , poly(acrylate-co-acrylamide) claim 37 , starch claim 37 , silica claim 37 , gelatin and gum Arabic claim 37 , poly(melamine-formaldehyde) claim 37 , poly(urea-formaldehyde) claim 37 , or combination thereof.39. The method of claim 38 , wherein the first or second capsule wall claim 38 , independently claim 38 , is formed of a polyurea claim 38 , polyurethane claim 38 , or combination thereof.40. The method of claim 39 , wherein the first or second capsule wall claim 39 , independently claim 39 , is a reaction product between a polyisocyanate and an amine cross-linker claim 39 , an alcohol cross-linker claim 39 , or a hybrid cross-linker claim 39 , the polyisocyanate is an aromatic or aliphatic isocyanate having two or more isocyanate groups claim 39 , the amine cross-linker has two or more amine groups claim 39 , the alcohol cross-linker has two or more hydroxyl groups claim 39 , and the hybrid cross-linker has one or more amine groups and one or more hydroxyl groups.41. The method of claim 37 , wherein the mixed capsule slurry is cured at 55° C. to 130° C.42. The method of claim 37 , further comprising the step of adding a catalyst to the first emulsion claim 37 , the second emulsion claim 37 , or the emulsion mixture.43. The method of claim 37 , further comprising the step of adding a malodor counteracting agent to the capsule delivery system.44. The method of claim 37 , further comprising the step of adding a third claim 37 , fourth claim 37 , fifth claim 37 , or sixth emulsion to the emulsion mixture or mixed capsule slurry claim 37 , ...
Подробнее