STABLE THREE-PHASED EMULSIONS.

摘要

[00112] Disclosed is a three-phase emulsion comprising an aqueous-gel outer phase; and a water-in-oil inner phase, wherein the emulsion is stable. The aqueous-gel outer phase can include 10% to 50% by weight of the total weight of the emulsion. This phase can also include 70% to 95% by weight of water based on the total weight of the aqueous-gel outer phase, a gelling agent, and an emulsifϊer having a hydrophilic-lipophilic balance (HLB) value of 10 to 19. The water-in-oil inner phase can include 50% to 95% by weight based on the total weight of the three-phase emulsion. This phase can also include 50% to 80% by weight of water based on the total weight of the water-in-oil inner phase, 20% to 50% by weight of oil based on the total weight of the water-in-oil inner phase, and an emulsifier. [00112] Disclosed is a three-phase emulsion comprising an aqueous-gel outer phase; and a water-in-oil inner phase, wherein the emulsion is stable. The aqueous-gel outer phase can include 10% to 50% by weight of the total weight of the emulsion. This phase can also include 70% to 95% by weight of water based on the total weight of the aqueous-gel outer phase, a gelling agent, and an emulsifϊer having a hydrophilic-lipophilic balance (HLB) value of 10 to 19. The water-in-oil inner phase can include 50% to 95% by weight based on the total weight of the three-phase emulsion. This phase can also include 50% to 80% by weight of water based on the total weight of the water-in-oil inner phase, 20% to 50% by weight of oil based on the total weight of the water-in-oil inner phase, and an emulsifier. An acoustic baffle assembly for sealing or baffling a hollow body having a mass of heat activated expandable material that is capable of activating at a predetermined temperature. A substrate supports the mass. The substrate has a central portion and spaced apart projections extending outwardly from the central portion. The projections are configured to control expansion of the mass.