Solidification compound of aryl mercaptan-olefinic unsaturated double-bond polyether sulfone

Abstract

The invention relates to a solidification compound of aryl mercaptan-olefinic unsaturated double-bond polyether sulfone, belonging to the technical field of low-temperature solidifying materials. The compound comprises the components of an olefinic unsaturated double-bond polyether sulfone compound, an aryl mercaptan compound and a polymerization initiator, wherein the molar ratio of the aryl mercaptan compound to the olefinic unsaturated double-bond polyether sulfone compound is 1:99-1, and the polymerization initiator is used for photopolymerization to obtain a condensate during optical absorption and / or thermal absorption. Through the use of the specific aryl mercaptan and the specific polyether sulfone containing olefinic unsaturated double-bond, the invention can obtain the polyether sulfone material with high photoreaction activity, good heat resistance and high hardness; and with the obtained characteristics of solidification reactivity, alleviated solidification shrinkage, adherence with a base material, transparency and the like, the polyether sulfone material is suitable for optical materials, coating materials, inhibitors, UV (Ultraviolet) solidification coatings and the like.

Description

technical field [0001] The present invention belongs to the technical field of low-temperature curing materials, and relates to curing materials used in coating materials, UV and thermosetting coatings, molding materials, adhesives, inks, optical materials, optical modeling materials, printing plate materials, and inhibitor materials. Curable compositions, especially curable compositions suitable as optical materials. More specifically, it relates to a curable composition excellent in stability, wherein a polyethersulfone compound containing an aryl thiol compound and an ethylenically unsaturated double bond is used as a component, and is cured by light. Background technique [0002] In recent years, compositions cured by irradiating active rays such as ultraviolet rays have been used in coating materials, UV and heat-curable coatings, molding materials, adhesives, inks, stoppers, optical materials, optical modeling materials, printing plate materials, tooth materials, etc. ...

AI Technical Summary

Problems solved by technology

Introduce a rigid structure into its main chain to increase its use temperature, but the introduction of a rigid structure will increase the processing temperature or reduce the solubility, resulting in a decrease in its processability

However, after the introduction of thermally crosslinkable groups, the polymer material requires a higher temperature thermal crosslinking process, which limits its application.

After adding a photoinitiator to polyethersulfone with crosslinkable groups, the material can be crosslinked under ultraviolet light, but its photosensitivity is poor, the conversion rate of double bonds is low, and the photoreaction rate is too low, so it can only be applied For a small number of applications that do not require high optical processing speed

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