COLLAPSIBLE WATER-CONTAINING CAPSULES

摘要

Collapsible water-containing capsules comprising by weight: (a) from about 40% to about 95% of a water phase the water phase comprising at least 50% water by weight of the water phase; and (b) from about 5% to about 20% of a spindle-shaped metal oxide powder which is hydrophobically surface-treated and has an average long axis particle size of from about 25nm to about 150nm, an average short axis particle size of from about 4 nm to about 50nm, and an aspect ratio of greater than about 3.