A kind of alloy material that can be used for 3D printing and preparation method thereof
An alloy material, 3D printing technology, applied in the field of 3D printing materials, can solve the problem of not mainly considering the printability of materials, and achieve the effect of good material performance
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Embodiment 1
[0040] Main material selection and ratio
[0041] The information of main materials PC and ABS in this implementation is as follows:
[0042] PC material: PC-110, China Taiwan Chi Mei Industrial Co., Ltd.;
[0043] ABS material: AG10AP, China Taiwan Chemical Fiber Co., Ltd.;
[0044] The physical parameters of the main materials PC and ABS are shown in Table 1. The data not marked "measured" in Table 1 are provided by the material preparation company. The experimental standards refer to the description at the beginning of the implementation.
[0045] The performance parameter of main material in table 1 embodiment 1
[0046]
[0047] In this embodiment, PC and ABS are blended in a certain proportion to prepare an alloy material, and an injection molding machine is used to prepare a standard sample for testing.
[0048] The specific experimental steps are as follows: put PC in a vacuum drying oven and dry at 100°C for 8 hours, put ABS in a vacuum drying oven at 80°C and d...
Embodiment 2
[0063] On the basis of Example 1, study the selection and proportioning of additives in PC / ABS alloy materials
[0064] The types of spare additives are as follows:
[0065] Maleic anhydride grafted ABS (ABS-g-MAH);
[0066] Styrene-maleic anhydride copolymer;
[0067] Nitrile rubber.
[0068] Firstly, the selection and proportioning research of the first auxiliary agent is carried out
[0069] The ratio of the main material refers to the A1-3 sample formula in Example 1, that is, 20 parts by weight of PC and 80 parts by weight of ABS.
[0070] The first auxiliary agent is maleic anhydride grafted ABS (ABS-g-MAH), which is added into the bag with the main material in a certain proportion (1-10%) and manually mixed, and then added to the twin-screw extruder for melt blending. PC / ABS alloy was obtained by extrusion granulation, and the obtained blended pellets were put into an injection molding machine to prepare standard samples, and the standard samples were used for tensi...
Embodiment 3
[0090] Comparative study on the printing performance of the materials of the present invention and commercially available materials
[0091]Comparison of A4-2 group materials in Table 8 Example 2 and PC / ABS alloy parameters on sale
[0092]
[0093] The main difference between the two materials is that the A4-2 group of materials in Example 2 has better elongation, but lower tensile strength and notched impact strength. Through testing, the optimum printing nozzle temperature of the A4-2 group material and the alloy material on sale in Example 2 is both 240° C., and the printed products of the two materials are similar in effect.
[0094] For the warpage degree of the printed products of the two materials, an experimental comparison was carried out. The comparison method is to use two materials to print a 40×40×1.5mm grid at the optimum printing temperature (±10°C), and use a certain quality of round bottom material to press the corner and two sides of the grid at 5mm. Me...
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Abstract
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