Patent ID: 9494857
Filing Date: 2016-11-15
CPC Classification: B29C,B32B,C08K,G03F

Claim Text:
1. A method for producing a product having an uneven microstructure on a surface thereof, the producing method comprising the following steps (I)-(II): step (I) treating a surface of a mold having an uneven microstructure thereon with an external release agent containing a fluorine and not containing a functional group (B) which forms a chemical bond with a functional group (A) existing on the surface, wherein the functional group (B) is replaced with ester, alkyl or ether groups on the external release agent, and when the functional group (A) is hydroxyl, the functional group (B) is selected from a hydrolyzable silyl group, silanol groups, a hydrolyzable group containing a titanium atom or an aluminum atom, wherein the external release agent is not coming from previous printing steps; and step (II), after the step (I), inserting an active energy ray curable resin composition containing an internal release agent between the mold and a substrate, irradiating the active energy ray curable resin composition with an active energy ray to harden the active energy ray curable resin composition, so as to form a cured resin layer, onto which the uneven microstructure is transferred, on a surface of the substrate and to obtain the product having the uneven microstructure on the surface thereof, wherein the internal release agent is poly(oxyethylene) alkyl phosphate ester.