What is UV glue?-Dongguan Huachen Silicone Technology Co., Ltd.

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What is UV glue?

Published time:

2021-07-21

UV glue, also known as shadowless glue, photosensitive glue, or ultraviolet (UV) curable glue, refers to a type of adhesive that can only be cured by ultraviolet light irradiation. It can be used as an adhesive, or as a binder for paints, coatings, and inks. UV is an abbreviation for Ultraviolet Rays. Ultraviolet (UV) light is invisible to the naked eye and is a segment of electromagnetic radiation beyond visible light, with a wavelength range of 10-400 nm. The curing principle of shadowless glue is that the photoinitiator (or photosensitizer) in the UV curable material absorbs ultraviolet light upon irradiation and generates active free radicals or cations.

UV adhesive, also known as UV curing adhesive or photopolymerizable adhesive, is a type of adhesive that cures only when exposed to ultraviolet light. It can be used as an adhesive, or as a binder for paints, coatings, and inks. UV is an abbreviation for Ultraviolet Rays. Ultraviolet (UV) light is invisible to the naked eye and is a form of electromagnetic radiation beyond visible light, with a wavelength range of 10-400 nm. The curing principle of UV adhesive is that the photoinitiator (or photosensitizer) in the UV curable material absorbs ultraviolet light upon irradiation, generating active free radicals or cations, initiating polymerization, crosslinking, and branching chemical reactions, causing the adhesive to transform from a liquid to a solid state within seconds.

1. Prepolymer: 30-50% Acrylate monomer: 40-60% Photoinitiator: 1-6%

2. Additives: 0.2-1% (Additives can be added or not added. It can be used as an adhesive, or as a binder for paints, coatings, and inks.)

3. Prepolymers include: Epoxy acrylate, polyurethane acrylate, polyether acrylate, polyester acrylate, acrylic resin, etc.

4. Monomers include: Monofunctional (IBOA, IBOMA, HEMA, etc.), difunctional (TPGDA, HDDA, DEGDA, NPGDA, etc.), trifunctional and polyfunctional (TMPTA, PETA, etc.)

5. Initiators include: 1173, 184, 907, benzophenone, etc.

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