基于植物油和间苯三酚的光固化树脂及其制备方法与应用

By preparing a photocurable resin based on vegetable oil and phloroglucinol, the problem of poor mechanical and thermal properties of vegetable oil-based photocurable resins was solved, enabling the application of high-performance photocurable resins in 3D printing and coatings.

CN122145708BActive Publication Date: 2026-07-17SOUTH CHINA AGRICULTURAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SOUTH CHINA AGRICULTURAL UNIVERSITY
Filing Date
2026-05-09
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing plant oil-based photocurable resins have poor mechanical and thermal properties, making it difficult to replace traditional petroleum-based photocurable resins.

Method used

Vegetable oil is hydrolyzed to obtain vegetable oleic acid, which is then mixed with phloroglucinol, a catalyst, and additives. Subsequently, it is reacted with peroxides and acrylic compounds to prepare a vegetable oil-based acrylate prepolymer. Finally, diluent monomers and photoinitiators are added to form a photocurable resin based on vegetable oil and phloroglucinol.

Benefits of technology

The prepared photocurable resin has excellent thermal and mechanical properties, fast curing speed, and low penetration depth, making it suitable for 3D printing and coating applications.

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Abstract

本发明公开基于植物油和间苯三酚的光固化树脂及其制备方法与应用，该基于植物油和间苯三酚的光固化树脂通过以下步骤制备得到：S1、将植物油进行水解反应，得到植物油酸；S2、将植物油酸、间苯三酚、催化剂、添加剂与有机溶剂混合，反应1‑5 h，得到脂肪酸苯酯；S3、将脂肪酸苯酯、过氧化物与有机溶剂混合，反应20‑30 h，得到环氧脂肪酸苯酯；S4、将环氧脂肪酸苯酯、丙烯酸类化合物、催化剂与阻聚剂在100‑120℃反应8‑12 h，得到植物油基丙烯酸酯预聚体；S5、将稀释单体与光引发剂加入植物油基丙烯酸酯预聚体，搅拌，即得。该光固化树脂具有优异的热学和力学性能，而且固化速度快、低渗透深度、体积收缩率小。
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