Polystyrene microsphere composite material for laser sintering molding and preparation method thereof
A polystyrene microsphere, laser sintering molding technology, applied in the direction of additive processing, etc., can solve the problems of poor material uniformity, complex preparation process, low mechanical strength, etc., achieve fast molding speed, simple preparation process, high mechanical strength Effect
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example 1
[0043] (1) Add the required raw materials into the container one by one and mix thoroughly:
[0044] 100 parts of polystyrene microspheres,
[0045] 5 parts of nanometer nitrile rubber,
[0046] Toughening agent triglycidyl isocyanurate 0.1 part,
[0047] Light stabilizer benzotriazole chloride 0.1 part,
[0048] 0.5 part of defoamer ethylene oxide propylene oxide copolyether,
[0049] Leveling agent organosilicon-propylene oxide copolymer 0.5 parts,
[0050] 0.04 parts of antioxidant N,N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylenediamine,
[0051] 0.06 parts of antioxidant tris[2.4-di-tert-butylphenyl]phosphite.
[0052] (2) Stir the mixed material at high speed for 10 minutes at 50°C until it is evenly dispersed;
[0053] (3) Form the above materials into required parts through laser sintering rapid prototyping equipment, and test related properties.
[0054] The properties of the composite materials obtained are shown in Table 1.
example 2
[0056] (1) Add the required raw materials into the container one by one and mix thoroughly:
[0057] 100 parts of polystyrene microspheres,
[0058] 15 parts of nanometer nitrile rubber,
[0059] Toughening agent triglycidyl isocyanurate 0.2 part,
[0060] 0.2 parts of light stabilizer benzotriazole chloride,
[0061] 1.5 parts of defoaming agent ethylene oxide propylene oxide copolyether,
[0062] Leveling agent silicone-propylene oxide copolymer 1.5 parts,
[0063] 0.08 parts of antioxidant N,N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylenediamine,
[0064] Antioxidant tris [2.4-di-tert-butylphenyl] phosphite 0.12 parts.
[0065] (2) Stir the mixed material at high speed for 15 minutes at 60°C until it is evenly dispersed;
[0066] (3) Form the above materials into required parts through laser sintering rapid prototyping equipment, and test related properties.
[0067] The properties of the composite materials obtained are shown in Table 1.
example 3
[0069] (1) Add the required raw materials into the container one by one and mix thoroughly:
[0070] 100 parts of polystyrene microspheres,
[0071] 25 parts of nanometer nitrile rubber,
[0072] Toughening agent triglycidyl isocyanurate 0.3 part,
[0073] 0.3 part of light stabilizer benzotriazole chloride,
[0074]2.5 parts of defoaming agent ethylene oxide propylene oxide copolyether,
[0075] Leveling agent silicone-propylene oxide copolymer 2.5 parts,
[0076] 0.12 parts of antioxidant N,N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylenediamine,
[0077] 0.18 parts of antioxidant tris[2.4-di-tert-butylphenyl]phosphite.
[0078] (2) The mixed material is stirred at a high speed for 20 minutes at 70°C until it is evenly dispersed;
[0079] (3) Form the above materials into required parts through laser sintering rapid prototyping equipment, and test related properties.
[0080] The properties of the composite materials obtained are shown in Table 1. ...
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