Apparatus and method for manufacturing composite sheet comprising aerogel sheet

A method for manufacturing a composite sheet comprising an aerogel sheet, the method comprising:

• a step (S10) of preparing a fiber sheet (10);
• a step (S20) of laminating an aerogel sheet (30) on each of both surfaces of the fiber sheet (10);
• and
• a step (S30) of applying heat and a pressure to the aerogel sheet (30) and the fiber sheet (10), which are laminated, to bond the sheets to each other and to manufacture the composite sheet (40) in which the aerogel sheet (30), the fiber sheet (10), the aerogel sheet (30) are laminated,
• wherein, in the step (S10) of preparing the aerogel sheet (30), the aerogel sheet (30) comprises a compound comprising an aerogel matrix and a reinforcing structure, and
• the aerogel matrix is continuous through the reinforcing structure, and the reinforcing structure is a lofty fibrous batting, wherein the fibers are oriented along all three axes, the lofty fibrous batting has the form of a sheet, the compound is a lightweight insulation product having resilience and durability, the lofty fibrous batting is compressible by at least 50% of its natural thickness and returns to at least 70% of its original thickness after being compressed for 5 seconds, the lofty fibrous batting has a density of 0.001 g/cm3 to 0.26 g/cm3, and the fibers discriminable in a cross-sectional area of the compound has a cross-sectional area less than 10% of the total cross-sectional area.

An apparatus for manufacturing a composite sheet comprising an aerogel sheet, the apparatus comprising:

• a gel sheet manufacturing machine (100) that manufactures a gel sheet (20);
• a reaction vessel (200) in which the gel sheet (20) manufactured by the gel sheet manufacturing machine (100) is aged, surface-modified, and dried to manufacture the aerogel sheet;
• and
• a composite sheet manufacturing machine (300) that bonds the aerogel sheet (30) manufactured in the reaction vessel (200) to a fiber sheet (10) to manufacture a composite sheet (40),
• wherein the composite sheet manufacturing machine (300) comprises a plurality of aerogel sheet supply rollers (310) supplying the aerogel sheet (30), a fiber sheet supply roller (320) supplying the fiber sheet (10) so that the fiber sheet (10) is disposed between the aerogel sheets (30), a hot press (330) pressing the aerogel sheet (30) and the fiber sheet (10) while applying heat and a pressure in a state in which the fiber sheet (10) is disposed between the aerogel sheets (30) to manufacture the composite sheet (40).