Photocurable Resin Composition for Imprinting, Production Method and Structure Thereof
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United States of America Patent
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May 28, 2015
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May 15, 2013
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May 25, 2012
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Abstract
Provided is a photocurable resin composition in which curing shrinkage in photo-imprinting is suppressed, and capable of producing by photo-imprinting a structure which has high surface hardness and in which the occurrence of yellowing is suppressed even when irradiated with e.g., ultraviolet ray. The photocurable resin composition includes a (meth)acrylic monomer (A) and a photoinitiator (B), wherein the photoinitiator (B) has a combination of an alkylphenone-based photoinitiator (B1) and an acylphosphine oxide-based photoinitiator (B2), wherein a blending weight ratio (B1:B2) of the alkylphenone-based photoinitiator (B1) to the acylphosphine oxide-based photoinitiator (B2) is in the range of 1:99 to 90:10.
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