4 results about "M-aminoacetophenone" patented technology

An electrophotographic photoreceptor includes: a conductive base, a photosensitive layer provided on the conductive base, and a protective layer provided on the photosensitive layer. The protective layer is a cured body of a photocurable composition that includes a photocurable compound and a photopolymerization initiator. The photopolymerization initiator includes a first compound having an acylphosphine oxide structure and a second compound having an α-aminoacetophenone structure and an absorption coefficient at a wavelength 365 nm smaller than that of the first compound. A total content of the first compound and the second compound with respect to 100 parts by mass of the photocurable compound is 5 parts by mass or more and 20 parts by mass or less.

The present invention provides a curable composition which is (1) capable of enhancing curability, (2) capable of lowering a curing shrinkage rate, (3) capable of enhancing hardness of a cured product obtained therefrom, and (4) capable of enhancing thermal cycle characteristics of a cured product obtained therefrom.　A curable composition according to the present invention contains a photocurable compound and a photopolymerization initiator, wherein: the photocurable compound contains a first (meth)acrylate compound which has two or more (meth)acryloyl groups and an alicyclic skeleton; the curable composition optionally contains a thermosetting component in an amount of less than 10 wt%; and (1) the photopolymerization initiator contains a photopolymerization initiator that has an α-aminoalkylphenone skeleton and a molecular weight of 800 or more, or (2) the photopolymerization initiator contains a photopolymerization initiator that has an α-aminoacetophenone skeleton, and the content of the photopolymerization initiator that has an α-aminoacetophenone skeleton is 0.5 wt% to 3 wt% inclusive in 100 wt% of the curable composition.

The invention belongs to the technical field of medicine and chemical industry, and discloses an imidazoline spiroquinazolinone compound and a preparation method and application thereof.The compound is novel in structure, has an imidazoline and quinazolinone double-ring structure, has multiple active sites and large modifiable space, shows good biological activity application potential, and can be used for preparing a novel compound. The compound has the activity of selectively inhibiting phosphodiesterase 7 (PDE7). Meanwhile, 2-aminoacetophenone, isocyanate and amidine which are low in price and easy to obtain serve as starting raw materials of the compound, a spiro-bicyclic system is directly constructed through one-pot series cyclization, and the preparation method has the advantages that the raw materials are easy to obtain, steps are simple, atom economy is high, the reaction system is green and simple, aftertreatment is simple and convenient, amplification is easy and the like.

A curable resin composition which has high light sensitivity and good touch dryness and can obtain good flexibility, welding heat resistance and cross-sectional shapes, a dry film, a cured product and an electronic component. The curable resin composition comprises: (A) a carboxyl-containing resin having a bisphenol F backbone, (B) a photopolymerization initiator, (C) a photosensitive monomer, (D) an epoxy resin, and (E) an inorganic filler, wherein the photopolymerization initiator (B) comprises: (B1) an aminoacetophenone-based photopolymerization initiator, and (B2) a benzophenone-based photopolymerization initiator; and the photosensitive monomer (C) comprises: (C1) a di(meth)acrylate having a polypropylene glycol backbone.