Easmer epoxy acrylate oligomers boost breakthroughs in 3D printing technology.
Release time:
2022-07-28
With the rapid development of 3D printing technology, Easmer's epoxy acrylate oligomers stand out in the field of 3D printing materials due to their excellent flowability and curing speed, providing strong support for rapid prototyping.
The main characteristics of cationic photoinitiators include light activation, proton acid generation, and initiation of cationic polymerization. Cationic photoinitiators absorb photons under UV or visible light, causing the molecules to enter an excited state, followed by a series of decomposition reactions that ultimately produce proton acids (Brønsted acids or Lewis acids). These acids act as active species for cationic polymerization, capable of initiating the polymerization of epoxides, vinyl ethers, lactones, aldehydes, cyclic ethers, and more.
Applications of cationic photoinitiators
Cationic photoinitiators are widely used in various fields, including but not limited to:
Epoxy resins: Used for manufacturing electronic components, coatings, and adhesives.
Vinyl ether resins: Used for manufacturing plastics and composites.
Lactones, aldehydes, cyclic ethers: Used for manufacturing high-performance materials and specialty chemicals.
Classification of cationic photoinitiators
Based on chemical composition, cationic photoinitiators can be classified into the following categories:
Iodonium salts: Have high photosensitivity and stability.
Sulfonium salts: Suitable for various substrates with good solubility and reactivity.
Boron salts: Suitable for specific polymerization reactions with high catalytic efficiency.
These classifications allow cationic photoinitiators to adapt to different application needs and exhibit excellent performance under specific conditions.
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2025-12-22
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