Patent classifications
C11D3/3726
Composition
A composition comprises a source of oxygen and a polyurethane for use in a treatment operation in cleaning a fabric material.
Cleaning method
The invention provides a method and formulation for cleaning a soiled substrate, the method comprising the treatment of the moistened substrate with a formulation comprising a multiplicity of polymeric particles, wherein the polymeric particles comprise at least one antimicrobial agent. Preferably, the substrate is wetted so as to achieve a substrate to water ratio of between 1:0.1 to 1:5 w/w. Optionally, the formulation additionally comprises at least one additional cleaning agent, and in this embodiment, it is preferred that the polymeric particles are mixed with the at least one additional cleaning agent. Preferably, the additional cleaning material comprises a surfactant, which most preferably has detergent properties. Most preferably, the substrate comprises a textile fiber. Typically, the polymeric particles comprise particles of polyester or nylon, most preferably in the form of beads. The results obtained are very line with those observed when carrying out conventional aqueous cleaning processes and the method provides the significant advantage that the use of antimicrobial agents in or on the polymer bead greatly improves the overall hygiene in the washing machine by preventing mold and bacterial growth on the polymer particle surfaces, particularly at low temperatures.
LAUNDRY TREATMENT COMPOSITON COMPRISING A DELIVERY PARTICLE
A laundry treatment composition includes a delivery particle. The delivery particle includes a core and shell surrounding the core, and the core includes a perfume and the shell includes a polymeric material that is the reaction product of chitosan. The reaction product of chitosan is derived from an aqueous phase and a cross-linking agent. The cross-linking agent includes an isocyanate component, the isocyanate component including a mixture of two or more di- and/or poly-isocyanates, derived from an oil phase, the di- and/or poly-isocyanates each including an aromatic moiety; and the mixture of di- and/or poly-isocyanates including an aromatic moiety includes at least one alpha-aromatic isocyanate and at least one beta-aromatic isocyanate.
Articles of Manufacture with Polyurea Capsules Cross-linked with Chitosan
Novel articles of manufacture are described based on a combination of an adjunct material and microcapsules made by an improved process. The improved microcapsules are chitosan urea and encapsulate a benefit agent. The process comprises combining an adjunct material formed of microcapsules formed by a water phase comprising hydrolyzing chitosan in an acidic medium at a pH of 6.5 or less for an extended period and combining with a polyisocyanate. The reaction product of the hydrolyzed chitosan and polyisocyanate yields a microcapsule having improved release characteristics, with enhanced degradation characteristics in OECD test method 301B.
Compositions containing microcapsules
A microcapsule composition containing microcapsules coated with a deposition protein, e.g., a protein-silanol copolymer, a protein-silane copolymer, a protein-siloxane copolymer, or a cationically modified protein, is provided as is a method for making the microcapsule composition and using the microcapsule composition in consumer products, in particular rinse-off consumer product.
Polyurea microcapsules and liquid surfactant systems containing them
Suggested are polyurea microcapsules obtainable or obtained by reacting di- and/or polyisocyanates and guanidine carbonate in the presence of chemically modified biopolymer colloidal protection agents. The capsules can be loaded for example with fragrances and show high resistance against agglomeration in unstructured (viscosity 10-300 cps), anionic surfactant based liquid products.
TREATMENT COMPOSITION WITH PERFUME-CONTAINING DELIVERY PARTICLES
A composition comprising a population of core/shell delivery particles, where the shell includes a polymeric material formed from a cross-linked amine-containing biopolymer, and where the core includes a fragrance material that includes ester-containing perfume raw materials. Related methods of making and using such compositions.
Polyurethane redeposition inhibiting polymers and detergent compositions containing same
The present technology relates to polymeric additives and their incorporation into cleaning compositions useful in household detergents and other related uses including, dishwash (institutional and consumer), hard surface cleaners and textile care. The disclosed cleaning compositions include a detersive agent and a soil redeposition inhibiting agent. In one aspect, the soil redeposition inhibiting agent is selected from a functionalized polyurethane polymer.
COMPOSITE MICROCAPSULES
Disclosed herein are microcapsules including both a core and a composite shell including a plant-based coacervate and a polymeric material.
Articles of manufacture with polyurea capsules cross-linked with chitosan
Novel articles of manufacture are described based on a combination of an adjunct material and microcapsules made by an improved process. The improved microcapsules are chitosan urea and encapsulate a benefit agent. The process comprises combining an adjunct material formed of microcapsules formed by a water phase comprising hydrolyzing chitosan in an acidic medium at a pH of 6.5 or less for an extended period and combining with a polyisocyanate. The reaction product of the hydrolyzed chitosan and polyisocyanate yields a microcapsule having improved release characteristics, with enhanced degradation characteristics in OECD test method 301B.