A photocurable coating composition for preparing high-toughness optical-grade hardened film and corresponding hardened film
A composition and photo-curing technology, applied in optics, optical components, coatings, etc., can solve the problem of not meeting the requirements of 3D micro-nano optical structure coatings, affecting the impact resistance, weather resistance, hardened film layer and Reduce the adhesion of substrates and other problems, to achieve the effect of improving light transmittance, improving light transmittance, and improving flexibility
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Embodiment 1
[0048] 1. Preparation of photocurable coating composition:
[0049] (1) Prepare the following materials:
[0050]
[0051] (2) In the absence of ultraviolet light and sunlight, and the relative humidity of the air is less than 60%, add the above substances into the mixing container in turn, and fully stir for 20 minutes after adding each component;
[0052] (3) Filtrating the mixture to remove impurities to obtain a photocurable coating composition.
[0053] 2. Preparation of optical high toughness hardened film:
[0054] Such as figure 1 As shown, the above-prepared photocurable coating composition was coated on a thermoplastic flexible substrate (such as a polyester film) with a wire bar. Such as figure 2 As shown, after drying treatment, use a concentrated high-pressure electrodeless mercury lamp (80w / cm), and the irradiation energy is 600mj / cm 2 Irradiation, while pressing with a precision transfer pressure roller, the photocurable coating composition is cured and...
Embodiment 2
[0056] 1. Preparation of photocurable coating composition:
[0057] (1) Prepare the following materials:
[0058]
[0059] (2) In the absence of ultraviolet light and sunlight, and the relative humidity of the air is less than 60%, add the above substances into the mixing container in turn, and fully stir for 20 minutes after adding each component;
[0060] (3) Filtrating the mixture to remove impurities to obtain a photocurable coating composition.
[0061] 2. Preparation of optical high toughness hardened film
[0062] Coat the above-prepared photocurable coating composition on a thermoplastic flexible substrate (such as a polyester film) with a wire bar, and after drying, irradiate energy with a concentrated high-pressure electrodeless mercury lamp (80w / cm2) 600mj / cm 2 Irradiation, while pressing with a precision transfer pressure roller, the photocurable coating composition is cured and hardened on the substrate to form a nano-microstructure hardened layer—a hardened...
Embodiment 3
[0064] 1. Preparation of photocurable coating composition:
[0065] (1) Prepare the following materials:
[0066]
[0067] (2) In the absence of ultraviolet light and sunlight, and the relative humidity of the air is less than 60%, add the above substances into the mixing container in turn, and fully stir for 20 minutes after adding each component;
[0068] (3) Filtrating the mixture to remove impurities to obtain a photocurable coating composition.
[0069] 2. Preparation of optical high toughness hardened film
[0070] Coat the above-prepared photocurable coating composition on a thermoplastic flexible substrate (such as a polyester film) with a wire bar, and after drying, irradiate energy with a concentrated high-pressure electrodeless mercury lamp (80w / cm2) 600mj / cm 2 Irradiation, while pressing with a precision transfer pressure roller, the photocurable coating composition is cured and hardened on the substrate to form a nano-microstructure hardened layer—a hardened...
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Abstract
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