Composite material for repairing highway crack and preparation method thereof
A composite material and crack technology, which is applied in the field of composite materials for repairing road cracks and their preparation, can solve the problems of low elongation at break, protruding road cracks, poor road adhesion, etc., and achieves extended service life and low initial viscosity. , strong adhesive effect
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Embodiment 1
[0048] A composite material for repairing road cracks in this embodiment includes two components A and B, and the mass ratio of the two components A and B is 1:1;
[0049] The A component consists of the following raw materials in parts by mass:
[0050] Polyoxypropylene glycol N220: 30 parts;
[0051] Polyoxypropylene diol N210: 40 parts;
[0052] Amino-terminated polyoxypropylene ether D2000: 12 parts;
[0053] Pigment carbon black with particle size ≤ 5 μm: 8 parts;
[0054] Rutile titanium dioxide with a particle size of ≤10 μm: 7 parts;
[0055] Organic bismuth (KRBi-A3 organic bismuth produced by Changzhou Kairui Chemical Technology Co., Ltd.): 3 parts;
[0056] The B component consists of the following raw materials in parts by mass:
[0057] Polyether polyurethane prepolymer: 71.4 parts;
[0058] Bis(2-ethylhexyl) phthalate: 6 parts;
[0059] Dioctyl phthalate: 22.6 parts.
[0060] A method for preparing the composite material for repairing road cracks describe...
Embodiment 2
[0067] A composite material for repairing road cracks in this embodiment includes two components A and B, and the mass ratio of the two components A and B is 1:1;
[0068] The A component consists of the following raw materials in parts by mass:
[0069] Polyoxypropylene glycol N220: 65 parts;
[0070] Polyoxypropylene glycol N210: 25 parts;
[0071] Amino-terminated polyoxypropylene ether D2000: 5 parts;
[0072] Pigment carbon black with a particle size of ≤5 μm: 2 parts;
[0073] Rutile titanium dioxide with a particle size of ≤10 μm: 2 parts;
[0074] Organic bismuth (KRBi-A3 organic bismuth produced by Changzhou Kairui Chemical Technology Co., Ltd.): 1 part;
[0075] The B component consists of the following raw materials in parts by mass:
[0076] Polyether polyurethane prepolymer: 71.4 parts;
[0077] Bis(2-ethylhexyl) phthalate: 22.6 parts;
[0078] Dioctyl phthalate: 6 parts.
[0079] A method for preparing the composite material for repairing road cracks desc...
Embodiment 3
[0086] A composite material for repairing road cracks in this embodiment includes two components A and B, and the mass ratio of the two components A and B is 1:1;
[0087] The A component consists of the following raw materials in parts by mass:
[0088] Polyoxypropylene glycol N220: 37 parts;
[0089] Polyoxypropylene glycol N210: 38 parts;
[0090] Amino-terminated polyoxypropylene ether D2000: 11 parts;
[0091] Pigment carbon black with particle size ≤ 5 μm: 6 parts;
[0092] Rutile titanium dioxide with particle size ≤ 10 μm: 6 parts;
[0093] Organic bismuth (KRBi-A3 organic bismuth produced by Changzhou Kairui Chemical Technology Co., Ltd.): 2 parts;
[0094] The B component consists of the following raw materials in parts by mass:
[0095] Polyether polyurethane prepolymer: 71.4 parts;
[0096] Bis(2-ethylhexyl) phthalate: 10 parts;
[0097] Dioctyl phthalate: 18.6 parts.
[0098] A method for preparing the composite material for repairing road cracks described...
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