A 3D printing building material
A building material and 3D printing technology, applied in the direction of additive processing, etc., can solve problems such as poor firmness, poor environmental performance, easy deformation, etc., and achieve the effects of low cost, easy construction, and strong anti-aging ability
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[0008] The present invention provides a 3D printing building material. The raw materials of the material include the following components in mass percentage: 10-15% of polyethylene particles, 75-85% of silicate powder and 5-12% of antioxidant.
[0009] Wherein, the antioxidant consists of tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester, β-(3,5-di-tert-butyl-4-hydroxyphenyl) ) n-octadecanyl propionate and tris(2,4-di-tert-butylphenyl) phosphite, namely antioxidant 1010, antioxidant 1076 and antioxidant 168, four [β-(3,5 -Di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol: β-(3,5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate: tris(2 phosphite , 4-di-tert-butylphenyl) ester mass fraction ratio is 2-5:3-4:1-3.
[0010] The polyethylene is high-density polyethylene (HDPE), nano-TiO 2 Modified high-density polyethylene (nano-TiO 2 modified HDPE) and / or nano CeO 2 Modified high-density polyethylene (nano-CeO 2 Modified HDPE). High-...
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