Luminous 3D printing photosensitive adhesive and preparation method thereof
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A 3D printing and photosensitive adhesive technology, which is applied in the direction of luminous coatings, coatings, polyurea/polyurethane coatings, etc., can solve the problems of poor functionality, heating, inconvenient use, etc., and achieve fast curing speed, simple process and mature technology Effect
Inactive Publication Date: 2019-06-28
SHANGHAI INST OF TECH
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Problems solved by technology
[0004] Aiming at the above-mentioned technical problems in the prior art, the present invention provides a luminous 3D printing photosensitive adhesive and its preparation method. The luminous 3D printing photosensitive adhesive and its preparation method should solve the problem of 3D printing adhesive in the prior art. Heating is required during the molding process, and it is inconvenient to use. The 3D products produced have single color, no night visibility and poor functionality.
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Embodiment 1
[0040]A luminous 3D printing photosensitive adhesive, calculated in parts by weight, its raw material composition and content are as follows:
[0041]
[0042] Wherein said UV curable resin A is prepared according to the following method:
[0043] Add 10g of 1,1,3,3-tetramethyldisiloxane and 10g of hyperbranched polyester acrylate into a 500ml three-necked flask, then add 0.01g of hydroquinone, pass through protective gas, stir and heat, Raise the temperature to 60°C, add 0.01g of chloroplatinic acid complex, keep stirring for 3 hours, stop heating, and wait until the temperature of the flask drops to room temperature to obtain UV-curable resin A.
[0044] 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;
[0045] The leveling agent is Tego Glide 410;
[0046] Described UV wetting agent is NP-100 of U.S. Dow Company;
[0047] The said luminous powder is the yellow-green MG-1 provided b...
Embodiment 2
[0056] A luminous 3D printing photosensitive adhesive, calculated in parts by weight, its raw material composition and content are as follows:
[0057]
[0058] Wherein said UV curable resin A is prepared according to the following method:
[0059] Add 10g of 1,1,3,3-tetramethyldisiloxane and 10g of hyperbranched polyester acrylate into a 500ml three-necked flask, then add 0.01g of hydroquinone, pass through protective gas, stir and heat, Raise the temperature to 60°C, add 0.01g of chloroplatinic acid complex, keep stirring for 3 hours, stop heating, and wait until the temperature of the flask drops to room temperature to obtain UV-curable resin A.
[0060] Described UV curing resin B is a toughening resin, such as a mixture of epoxy acrylate and polyurethane acrylate in a mass ratio of 2:1;
[0061] The leveling agent is a mixture of German BYK-345 and BYK-346 in a mass ratio of 1:1;
[0062] The UV wetting agent is German BYK 333;
[0063] The defoamer is a mixture of ...
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Abstract
The invention provides a noctilucent 3D printing photosensitive adhesive. The photosensitive adhesive is prepared from, by weight, 50-80 parts of UV cured resin A, 50-80 parts of UV cured resin B, 0.05-0.1 part of flatting agent, 1-10 parts of wetting agent, 0.2-1 part of defoaming agent, 1-10 parts of noctilucent powder, 3-5 parts of photoinitiator A and 3-5 parts of photoinitiator B. The invention further provides a preparation method of the noctilucent 3D printing photosensitive adhesive. The preparation method comprises the steps that the wetting agent, the flatting agent, the defoaming agent and the noctilucent powder are added into a high-speed dispersing machine, the rotating speed is increased to 600-800 r / min, and then the speed is decreased; the UV cured resin A, the UV cured resin B, the photoinitiator A and the photoinitiator B are added, dispersing is continuously conducted, the materials are mixed to be uniform, and the noctilucent 3D printing photosensitive adhesive is obtained. When the noctilucent 3D printing photosensitive adhesive is coated on a film and irradiated through a UV-LED lamp, the rapid curing capacity is achieved, and the noctilucent 3D printing photosensitive adhesive can be applied to the technical fields such as automobiles, industrial maintenance and medical treatment.
Description
technical field [0001] The invention belongs to the field of polymer materials, and in particular relates to a luminous 3D printing photosensitive adhesive and a preparation method thereof. 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 materials, such as PLA and ABS and other polymer materials, which need to be heated during the molding process, resulting in inconvenient use...
Claims
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Application Information
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