Composition and falling ball impact-resistant brightness enhancement film
A technology of composition and brightening film, applied in coating, instrument, optics, etc., can solve the problems of low hardness, poor impact resistance of falling ball, low refractive index of pure organic components, etc., and achieve simple preparation process and easy operation , the effect of facilitating industrial production
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[0090] The preparation method of composition provided by the invention comprises the steps:
[0091](1) Accurately weigh and add each component by weight and mix;
[0092] (2) Disperse the mixture obtained in step (1) for 2 hours at a rotational speed of 800-1000 r / min, and then filter to obtain the composition.
[0093] The preparation method of the brightness enhancing film comprises the following steps:
[0094] (1) adopt biaxial stretching method to make transparent substrate layer;
[0095] (2) coating the composition on the surface of the substrate layer, and curing by mold rolling and ultraviolet light irradiation to form a brightness enhancing layer with a microstructure, thereby preparing a high-brightness optical brightness-enhancing film.
[0096] Wherein, the evaluation to the optical property of composition comprises:
[0097] (1) Refractive index test: drop the composition on an Abbe refractometer (WAY-2S) to test its refractive index.
[0098] Among them, th...
Embodiment 1
[0105] The invention provides a composition, which includes inorganic nanoparticles, a first monomer, a second monomer, a photocurable resin, a photoinitiator and an auxiliary agent.
[0106] The raw materials of the composition include the following ingredients: inorganic nanoparticles: 12 parts by weight; first monomer: 37 parts by weight; second monomer: 5 parts by weight; photocurable resin: 45 parts by weight; photoinitiator: 1 Parts by weight; auxiliary agent: 0.1 parts by weight; wherein the inorganic nanoparticles are nano-silicon oxide particles with a particle size of 40nm; the first monomer is biphenylmethanol acrylate; the second monomer is pentaerythritol tetraacrylate; photocurable resin It is polyether acrylic resin; the initiator is 2-hydroxy-methylphenylpropane-1-one (1173); the auxiliary agent is WE-D5410.
[0107] A brightening film is prepared from the above composition, and the preparation method of the brightening film comprises the following steps:
[0...
Embodiment 2
[0112] Composition as described in Example 1, the raw material of described composition comprises following composition: Inorganic nano particle: 45 parts by weight; The first monomer 10 parts by weight; The second monomer 13 parts by weight; Photocurable resin 27 parts by weight 5 parts by weight of photoinitiator; 0.2 parts by weight of auxiliary agent; wherein the inorganic nanoparticles are nano-titanium oxide particles with a particle diameter of 10nm; the first monomer is tricyclodecane dimethacrylate; the second monomer It is three (2-hydroxyethyl) isocyanurate triacrylate; the photocurable resin is polyether acrylic resin; the initiator is 1-hydroxycyclohexyl phenyl ketone (184); the auxiliary agent is WE-D7300.
[0113] The above-mentioned composition is used to prepare a brightness enhancement film. In the preparation method of the brightness enhancement film: the substrate layer is made of PE material with a thickness of 10 μm; the microstructure of the brightness en...
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Abstract
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