| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a porous structure in which a plurality of micropores uniformly coexist without being collapsed, and which has both of soft feeling and feeling of fulfillment. <P>SOLUTION: The method for producing the porous structure comprises the following steps of: a step (1) of preparing an aqueous dispersion liquid which contains (A) a resin containing a hydrophilic functional group, (B) ammonium salt, and (C) a nonionic thickening agent, in which a compounding amount of the (B) component with respect to 100 pts. mass of a solid content of the (A) component is 0.25-10 pts. mass, and which has a viscosity of 10-100 Pa s; a step (2) of applying the aqueous dispersion liquid to a fibrous substrate or impregnating a fibrous substrate with the aqueous dispersion liquid; a step (3) of subjecting the aqueous dispersion liquid to thermally gelling treatment to form a porous body; and a step (4) of drying and solidifying the porous body. <P>COPYRIGHT: (C)2013,JPO&INPIT |
