| 摘要 |
The present invention provides a blanket comprising a silica aerogel and a manufacturing method therefor, the blanket comprising: a base material for the blanket; and a silica aerogel and an opacifier, which are located on at least one of the surface and the inside of the base material for the blanket, wherein the opacifier has a secondary particle phase, formed by aggregation of inorganic particles of a primary particle phase, and comprises 1-5 inorganic particles per 1 μm3 unit volume. According to the present invention, the blanket comprising the silica aerogel comprises an opacifier having excellent dispersibility and high surface activity due to chemical etching, and thus the blanket can exhibit excellent thermal insulation, particularly, flame retardancy with excellent thermal insulation at high temperature. |
