Novel plastic material for 3D printing
A 3D printing and plastic material technology, applied in the field of new 3D printing plastic materials, can solve the problems of waste plastic pollution and high production cost of 3D printing materials, and achieve the effect of reducing production cost, low cost and eliminating molding difficulties.
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[0061] The present invention also provides a method for preparing a novel 3D printing plastic material, comprising the following steps:
[0062] S1: Use a hard plastic crusher to initially crush waste plastics, and then use an intermittent stirring plastic washing machine to thoroughly clean the crushed waste plastics to remove surface dirt. After natural air drying and selection, selected plastics are obtained;
[0063] S2: Put the selected plastic prepared in step S1 in a nitrogen or dry ice low-temperature pulverizer, pulverize the plastic at a temperature of -90--110°C for 2-3 hours, and obtain 80-100 mesh plastic fine particles after sieving ;
[0064] S3: adding a specific synthetic agent to the fine plastic particles prepared in step S2, raising the temperature to 160-200° C., stirring and melting at a rotation speed of 100-300 r / min for 2-4 hours, and then cooling to room temperature to obtain a primary material;
[0065] S4: Pulverize the primary material prepared in...
Embodiment 1
[0078] The new plastic material for 3D printing includes raw materials in the following mass ratio: waste plastic: specific synthetic agent: starch synthetic agent = 10:2:4;
[0079] The specific synthetic agent is in parts by weight, including the following raw materials: 16 parts of regulator, 16 parts of generating agent, 12 parts of coupling agent, 12 parts of compatibilizer, 12 parts of plasticizer, 8 parts of antioxidant, coagulation 6 parts of agent, 4 parts of terminator;
[0080] The regulator is ACR;
[0081] The generating agent is an aerosol generating agent;
[0082] Described coupling agent is glyoxal;
[0083] The compatibilizer is modified polyacrylate;
[0084] Described plasticizer is epoxidized soybean oil;
[0085] The antioxidant is Irganox B;
[0086] The coagulant is polyacrylamide;
[0087] The terminator is methacrylic acid;
[0088] The starch synthesizing agent includes the following raw materials in parts by weight: 200 parts of tapioca starc...
Embodiment 2
[0105] The new plastic material for 3D printing includes raw materials in the following mass ratio: waste plastic: specific synthetic agent: starch synthetic agent = 5:1:2;
[0106] The specific synthetic agent is in parts by weight, including the following raw materials: 12 parts of regulator, 12 parts of generating agent, 10 parts of coupling agent, 8 parts of compatibilizer, 8 parts of plasticizer, 6 parts of antioxidant, coagulation 4 parts of agent, 2 parts of terminator;
[0107] The regulator is ACR;
[0108] The generating agent is an aerosol generating agent;
[0109] Described coupling agent is glyoxal;
[0110] The compatibilizer is modified polyacrylate;
[0111] Described plasticizer is epoxidized soybean oil;
[0112] The antioxidant is Irganox B;
[0113] The coagulant is polyacrylamide;
[0114] The terminator is methacrylic acid;
[0115] The starch synthesizing agent includes the following raw materials in parts by weight: 120 parts of tapioca starch, ...
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