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Water-soluble photoinitiator and preparation method thereof

A photoinitiator and water-soluble technology, which is applied in the field of water-soluble photoinitiator and its preparation, can solve the problems of poor water solubility of α-hydroxy ketone initiators, and achieve the effect of improving compatibility

Active Publication Date: 2021-04-09
连州市祥丰化工有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the water solubility of α-hydroxyketone initiators is very poor, and it is difficult to be directly used as a water-soluble photoinitiator in the formulation of water-based photocurable coatings and inks

Method used

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  • Water-soluble photoinitiator and preparation method thereof
  • Water-soluble photoinitiator and preparation method thereof
  • Water-soluble photoinitiator and preparation method thereof

Examples

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Those who do not indicate the specific conditions in the examples are carried out according to the conventional conditions or the conditions suggested by the manufacturer. The reagents or instruments used were not indicated by the manufacturer, and they were all conventional products that could be purchased from the market.

[0025] The invention proposes a water-soluble photoinitiator.

[0026] In one embodiment of the present invention, the molecular formula of this water-soluble photoinitiator is:

[0027]

[0028] Among them, R 1 , R 2 are side bases, for the carbon chain skeleton.

[0029] certainly, In, both can be -CH 2 -CH 2 -, and can contain multiple -CH 2 -, can also be -CH=CH-, and can even be -C≡C-, all within the...

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Abstract

The invention discloses a water-soluble photoinitiator and a preparation method thereof, wherein, a water-soluble photoinitiator, the molecular formula of the water-soluble photoinitiator is: in the molecular formula, R 1 , R 2 All are substituents and are carbon chain skeletons. Technical scheme of the present invention is by adopting molecular structure design, and carboxyl group and ether bond are introduced in the molecular chain of α-hydroxy ketone initiator, has produced a kind of new water-soluble photoinitiator, has improved water-soluble photoinitiator and The compatibility of water-soluble reactive monomers is suitable for water-based photocuring technology and can be directly applied to the formulation of water-based photocurable coatings and inks.

Description

technical field [0001] The invention relates to the technical field of photoinitiators, in particular to a water-soluble photoinitiator and a preparation method thereof. Background technique [0002] Photoinitiator is an important part of photopolymerization technology, which plays a decisive role in the photocuring rate of photocured similar coatings and inks. With the country's emphasis on environmental protection, the development of water-soluble photoinitiators has attracted great attention. Water-soluble photoinitiators are a key component of water-based photocuring technology, which requires good compatibility in water-based oligomers and high initiation efficiency. High, and low volatility, non-toxic, tasteless, colorless and other characteristics. [0003] α-Hydroxy ketone initiator is a widely used hydrogen abstraction photoinitiator, which has good anti-yellowing performance, excellent product performance and fast initiation speed, and is often used as varnish and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F2/48C09D4/00C09D11/101C07C67/08C07C69/593
CPCC07C67/08C08F2/48C09D4/00C09D11/101C07C2601/14C07C69/593
Inventor 王俊生
Owner 连州市祥丰化工有限公司
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