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Single-component hydrogen abstracting type photoinitiators with anti-oxidation and polymerization inhibiting functions

A technology of anti-oxygen polymerization inhibition and photoinitiator, which is applied in the field of photosensitive polymer material preparation, can solve problems affecting the surface properties of coatings, achieve low migration, low preparation cost, and overcome the effect of oxygen inhibition polymerization

Inactive Publication Date: 2018-04-03
HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, oxygen inhibition will also cause a large number of oxidative structures such as hydroxyl groups

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  • Single-component hydrogen abstracting type photoinitiators with anti-oxidation and polymerization inhibiting functions
  • Single-component hydrogen abstracting type photoinitiators with anti-oxidation and polymerization inhibiting functions
  • Single-component hydrogen abstracting type photoinitiators with anti-oxidation and polymerization inhibiting functions

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Abstract

The invention belongs to the field of photosensitive polymer materials. After the hydrogen abstraction type photoinitiator absorbs light energy, bimolecular interaction occurs with the co-initiator in the excited state to generate active free radicals and initiate monomer polymerization. The inhibitory effect of oxygen molecules on free radical polymerization cannot be ignored. The present invention utilizes raw materials such as 4‑methylbenzophenone, N‑bromosuccinimide, different amines, and 1‑hydroxycyclohexyl phenyl ketone (184) to prepare a class of Polyfunctional one-component hydrogen abstraction photoinitiator. The invention has simple synthesis steps, low preparation cost, good solubility of the product, can directly replace benzophenone as a photoinitiator, has better performance than benzophenone, and has wide application prospects in the field of ultraviolet light curing.

Description

technical field [0001] The application relates to a single-component hydrogen abstraction type photoinitiator, which belongs to the field of photosensitive polymer material preparation. Background technique [0002] UV curing technology is the process of using ultraviolet light to trigger the rapid transformation of chemically reactive liquid substances into solid substances. This technology has the characteristics of high efficiency, wide adaptability, economy, energy saving and environmental friendliness. It is widely used in the fields of printing plate making, stereolithography, ink, coating, adhesive, food packaging and medical biomaterials. [0003] The photocuring reaction system is mainly composed of resin, monomer and photoinitiator. In addition to the UV photoinitiator in the formula, most monomers cannot produce effective initiating active species under the irradiation of UV light. Therefore, the UV photoinitiator becomes an indispensable key component in the ent...

Claims

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Application Information

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IPC IPC(8): C08F2/48C07C227/08C07C229/14C07C231/08C07C233/83
CPCC08F2/48C07C45/63C07C67/14C07C221/00C07C227/08C07C231/08C07C49/80C07C225/16C07C229/14C07C233/76C07C233/83C07C69/54
Inventor 张娜简凯李东兵杨金梁聂俊
Owner HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
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