Luminous 3D printing photosensitive adhesive and preparation method thereof
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A 3D printing and photosensitive adhesive technology, applied in luminescent coatings, coatings, additive processing, etc., can solve the problems of inability to achieve full color, heating, inconvenient use, etc., and achieve fast curing speed, simple process and mature technology. Effect
Inactive Publication Date: 2018-03-20
SHANGHAI INST OF TECH
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Problems solved by technology
There are still some problems in the development of the 3D printing photosensitive adhesive provided at present: the current 3D printing adhesive is mainly made of thermoplastic materials, such as PLA and ABS and other polymer materials, which need to be heated during the molding process, resulting in inconvenient use
In addition, the formed 3D products have a single color and cannot achieve full color. The 3D printing materials made do not have night visibility and poor functionality.
Method used
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Embodiment 1
[0033] A luminous 3D printing photosensitive adhesive, calculated in parts by weight, its components and contents are as follows:
[0034]
[0035] Wherein said UV curable resin A is prepared according to the following method:
[0036] Add 10g of methyl hydrogen-containing silicone oil and 10g of ethoxylated trimethylolpropane triacrylate into a 500ml three-necked flask, then add 0.01g of hydroquinone, pass in protective gas, stir and heat, and raise the temperature to 60 ℃, add 0.01g of chloroplatinic acid complex, keep the temperature under stirring for 3 hours, stop heating, wait until the temperature of the flask drops to room temperature, and obtain UV curable resin A.
[0037] Described UV curing resin B is a toughening resin, such as a mixture of epoxy acrylate and polyurethane acrylate in a mass ratio of 1:1;
[0038] The leveling agent is Tego Glide 410;
[0039] Described wetting agent is NP-100 of U.S. Dow Company;
[0040] The said luminous powder is the yell...
Embodiment 2
[0049] A luminous 3D printing photosensitive adhesive, calculated in parts by weight, its raw material composition and content are as follows:
[0050]
[0051] Wherein said UV curable resin A is prepared according to the following method:
[0052] Add 10g of methyl hydrogen-containing silicone oil and 10g of ethoxylated trimethylolpropane triacrylate into a 500ml three-necked flask, then add 0.01g of hydroquinone, pass in protective gas, stir and heat, and raise the temperature to 60 ℃, add 0.01g of chloroplatinic acid complex, keep the temperature under stirring for 3 hours, stop heating, wait until the temperature of the flask drops to room temperature, and obtain UV curable resin A.
[0053]Described UV curable resin B is the mixture of epoxy acrylate and polyurethane acrylate in a mass ratio of 2:1;
[0054] The leveling agent is a mixture of German BYK-345 and BYK-346 in a mass ratio of 1:1;
[0055] The wetting agent is German BYK 333;
[0056] The defoamer is a m...
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Abstract
The invention discloses luminous 3D (three-dimensional) printing photosensitive adhesive and a method for preparing the same. The luminous 3D printing photosensitive adhesive comprises, by weight, 50-80 parts of UV (ultraviolet) cured resin A, 50-80 parts of UV cured resin B, 0.05-0.1 part of leveling agents, 1-10 parts of wetting agents, 0.2-1 part of defoamers, 1-10 parts of luminous powder, 3-5 parts of photoinitiators A and 3-5 parts of photoinitiators B. The method includes adding the wetting agents, the leveling agents, the defoamers and the luminous powder into a high-speed dispersion machine according to a formula; adding the UV cured resin A, the UV cured resin B, the photoinitiators A and the photoinitiators B into the high-speed dispersion machine; continuing to disperse the wetting agents, the leveling agents, the defoamers, the luminous powder, the UV cured resin A, the UV cured resin B, the photoinitiators A and the photoinitiators B; uniformly mixing the wetting agents, the leveling agents, the defoamers, the luminous powder, the UV cured resin A, the UV cured resin B, the photoinitiators A and the photoinitiators B with one another to obtain the luminous 3D printing photosensitive adhesive. The luminous 3D printing photosensitive adhesive and the method have the advantages that the luminous 3D printing photosensitive adhesive has quick cured capacity after being applied to films and then illuminated by 365 nm UV-LED lamps, and can be widely applied to the technical fields of automobiles, industrial maintenance, medical treatment, creativity and the like.
Description
technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a luminous 3D printing photosensitive adhesive and a preparation method thereof. The luminous 3D printing photosensitive adhesive is particularly suitable for curing by 365nm UV-LED light source irradiation. Background technique [0002] High-speed light-curing molding technology has been widely used in the world in recent years, especially 3D printing technology, which is a so-called additive molding technology that mainly manufactures three-dimensional products by adding materials layer by layer. It has low energy consumption, low cost, With the characteristics of high forming precision, it can print any complex parts that cannot be processed by traditional processing methods. There are still some problems in the development of the 3D printing photosensitive adhesive provided at present: the current 3D printing adhesive is mainly made of thermoplastic mate...
Claims
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Application Information
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