Moisture absorbent composition, moisture absorbent molding, and method for controlling equilibrium humidity, method for controlling time of maintaining equilibrium humidity

摘要

A moisture absorbent composition is provided with a thermoplastic resin; and a moisture absorbent kneaded into the thermoplastic resin, having a secondary particle size of substantially 1 to 40 μm, wherein equilibrium humidity is controlled by selecting the specific gravity of the thermoplastic resin. A method for controlling equilibrium humidity in a moisture absorbent composition obtained by kneading a moisture absorbent into a thermoplastic resin is provided, which includes kneading the moisture absorbent such that a secondary particle size of the moisture absorbent is substantially 1 to 40 μm; and controlling equilibrium humidity by selecting specific gravity of the thermoplastic resin.