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Photoinitiator for ultraviolet light radiation solidification, aromatic ketone compound and method of manufacturing the same

A photoinitiator and aromatic ketone technology, which is applied in the manufacture of aromatic ketone compounds and the field of photoinitiator for aromatic ketone compounds, can solve problems such as inconsistent test results, and achieve high efficiency, simplicity, cost, total reduction, and photoinitiation efficiency. high effect

Active Publication Date: 2011-11-23
SHENZHEN UV-CHEMTECH CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] (2) The test result does not meet the requirements of the following formula: ∑(x i / y i -1) <15.0

Method used

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  • Photoinitiator for ultraviolet light radiation solidification, aromatic ketone compound and method of manufacturing the same
  • Photoinitiator for ultraviolet light radiation solidification, aromatic ketone compound and method of manufacturing the same
  • Photoinitiator for ultraviolet light radiation solidification, aromatic ketone compound and method of manufacturing the same

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Embodiment Construction

[0052] The present invention discloses substituted aromatic ketone compounds with the following general formulas I-IV.

[0053]

[0054] Among them, R 1 -R 8 Substituents can be P, OP, OC(O)P, C(O)P, C(O)OP, NHP, NP 2 , NHC(O)P, C(O)NHP, or C(O)NP 2 ; And P can be hydrogen, open-chain or ring-closed form of alkyl, or aryl; wherein in the general formula I, III and IV, all R groups are not hydrogen at the same time.

[0055] The compound can be used in photoinitiator applications involving strict restrictions on the total amount of benzene and volatile organic compounds, such as UV-curable ink technology. The compound of the present invention and its composition can be added to any photo-curable material composed of photo-curable resin and monomer, and the photo-curable material can be cured by free radical polymerization after being irradiated by a light source of appropriate wavelength.

[0056] Please refer to figure 1 , the above compound can be prepared by the foll...

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Abstract

The invention belongs to aromatic ketone compounds, specifically relating to an aromatic ketone coumpound photoinitiator for ultraviolet light radiation solidification and method of manufacturing the same. The method consists of the following two typical steps: a first step of coverting the organic carboxyl acid coumpound into the corresponding acyl chloride intermediate under the action of thionyl chloride, and then the intermediate, without a separation and purifying process, directly performing Friedman-Crafts acylation reaction with biphenyl or disubstituted benzene compounds under the action of the equivalent or catalytic amount of Lewis acid type promotor to couple and obtain aromatic ketone coumpounds; a second step of performing soda treatment to a hydroxy-substituted aromatic ketone raw material to obtain its ion salt, the salt reacts with halogenated hydrocarbon, acyl chloride or other electrophilic reagents to obtain aromatic ketone compounds.

Description

【Technical field】 [0001] The invention belongs to aromatic ketone compounds, in particular to a photoinitiator of aromatic ketone compounds used for ultraviolet light curing, and a method for producing the aromatic ketone compounds. 【Background technique】 [0002] The UV radiation curing process is a photochemical reaction process. Taking ultraviolet ink technology as an example, under the action of ultraviolet energy, the prepolymer is cured into a film in a very short time. The photocuring mechanism of UV ink is divided into four types: free radical polymerization, free radical addition, cationic polymerization and acid curing. The most widely used type of ink. Under the irradiation of ultraviolet light, the photopolymerization initiator in the ultraviolet ink absorbs photons of a certain wavelength and turns into free molecules, which become free radicals, and then through the transfer of intermolecular energy, the polymerizable prepolymer and photosensitive monomer bec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F2/48C07C49/84C07C45/46C07C45/71
Inventor 王智刚
Owner SHENZHEN UV-CHEMTECH CO LTD
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