Hyperbranched macromolecular photoinitiator as well as preparation method and application thereof

By designing the ellipsoid structure and multiple branches of the hyperbranched macromolecule photoinitiator, the problem of poor monomer solubility and pollution of the macromolecule photoinitiator is solved, and efficient UV photocuring technology application is realized, which reduces the mobility and Broadened the application fields.

CN114605380AInactive Publication Date: 2022-06-10FUYANG SINEVA MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202210382254.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2022-04-12
Publication Date
2022-06-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing macromolecular photoinitiators have poor monomer solubility, pollution, and compatibility issues, which limit the application scope of UV light curing technology.

Method used

Develop a hyperbranched macromolecule photoinitiator with an ellipsoidal three-dimensional structure, multiple branches and a large number of end groups. It reacts with thiosalicylic acid and phenylic anhydride compounds, and then reacts with alcoholamines to perform hyperbranched esters. to form a photoinitiator with a broad molecular mass distribution and low viscosity.

Benefits of technology

It improves the solubility and multifunctionality of photoinitiators, enhances energy transfer efficiency, reduces mobility, broadens the application scope in the field of UV light curing, and solves pollution and compatibility problems.

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Abstract

The invention provides a hyperbranched macromolecular photoinitiator and a preparation method and application thereof.The hyperbranched macromolecular photoinitiator is of a structure shown in the formula I. The hyperbranched macromolecular photoinitiator is multiple in molecular branch chains and wide in relative molecular mass distribution, and therefore the hyperbranched macromolecular photoinitiator has good solubility and low viscosity; and a large number of terminal groups exist around molecules, so that the compound has the advantage of multifunctionalization.
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