#Chimex turmeric skin
The active material is selected from the group consisting of fragrances, flavoring agents, fungicide, brighteners, antistatic agents, wrinkle control agents, fabric softener actives, hard surface cleaning actives, skin and/or hair conditioning agents, antimicrobial actives, UV protection agents, insect repellants, animal/vermin repellents, flame retardants, and a mixture thereof.īoth the binder and deposition polymers have a molecular weight of 5,000 to 10,000,000 Daltons (preferably, 10,000 to 1,000,000 Daltons and, more preferably, 100,000 to 750,000 Daltons). The benefit particles each have a particle size of 0.1 to 50 microns (e.g., 0.5 to 30 microns), and contain an active material and a polymeric material. As still another example, a polymer mixture contains 0.01 grams of sodium alginate and 10 grams of 90% hydrolyzed polyvinyl formamide. It has an polymer combination theoretical charge-to-weight ratio of +0.0197 calculated as follows: /(average monomer unit molecular weight), where vinyl amine has a charge of +1, vinyl formamide has a charge of 0, and the average monomer unit molecular weight is 0.9× molecular weight of vinyl amine+0.1× molecular weight of vinyl formamide=0.9×43+0.1×71=45.8. As another example, 90% hydrolyzed polyvinylformamide useful to prepare the aggregate contains 90% vinyl amine units and 10% vinyl formamide. It has a polymer combination theoretical charge-to-weight ratio of −0.00505 calculated as follows: /(average monomer unit molecular weight), where each of guluronic acid mannuronic acid has a negative charge, and their average monomer unit molecular weight is 198. For instance, a sodium alginate useful to prepare the aggregate is a copolymer of guluronic acid and mannuronic acid at a molar ratio of 1:1. The polymer combination theoretical charge-to-weight ratio as used herein refers to the average theoretical charge per polymer molecular weight. In the aggregate, the polymer combination theoretical charge-to-weight ratio can be 0 to +0.2 (preferably 0 to +0.1 more preferably +0.01 to +0.1 and even more preferably, 0 to +0.02). It typically has a particle size of 1 to 200 microns (e.g., 1 to 150 microns and 5 to 120 microns). Each aggregate is neutral or carries one or more net positive charges. These aggregates can be prepared by a controlled coacervation process.Īccordingly, one aspect of this invention relates to aggregates each containing two or more benefit particles, one or more binder polymers, and one or more deposition polymers. This invention is based on an unexpected discovery that certain capsule aggregates possess desirable properties including improved deposition and high perceived olfactory intensity. There is a need to improve the stability of capsules and their performance including fragrance intensity and adhesion to applied areas. The two shortcomings result in poor capsule performance such as low fragrance intensity in ionic environment. Further, these capsules are often found unstable in the products as a result of spontaneous, uncontrolled flocculation of the capsules. The weakened interactions lead to poor adhesion performance of the capsules. Nevertheless, the interactions between the anionic capsules and the cationic deposition aids can be weakened or even canceled out when both cationic and anionic ions are abundant in products such as hair conditioners. These cationic deposition aids bind to both the anionic capsules and target surfaces, and thus help the deposition of the capsules.
Cationic deposition aids in these products improve the deposition of capsules, usually negatively charged, onto hairs and skins. In these capsules, an active material (e.g., a fragrance, flavor, and malodor counteracting agent) is encapsulated inside polymeric capsule walls.Ĭombined with cationic deposition aids, these capsules have been applied in many rinse-off products such as shampoos and conditioners. Nano- or micro-capsules are useful to deliver active materials to a target area in a time-delayed or controlled manner. The contents of both applications are incorporated herein by reference in their entirety. This application is a national stage entry under 35 USC 371 for International Application No.
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