Raised block composition and manufacturing method using the raised block

摘要

The present invention recycles blast furnace slag, which is a byproduct produced in a steel mill, to produce a high-strength braille block having a compressive strength of 600 to 700 kg / m 3 and a flexural strength of 6 to 8 kg / m 3, excellent abrasion resistance, , There is no reaction to chemicals, and since it is completely waterproofed, there is no problem caused by penetration of water, and there is no problem caused by radiant heat in summer due to excellent heat island effect. In the winter, And it is an object of the present invention to provide a braille block composition and a method of manufacturing a braille block using the same, in which water and soil are not contaminated due to no detection of heavy metals at the outside. In order to achieve the above object, the braille block composition according to the present invention comprises a top plate blend 100 having blended blast furnace slag 64 to 80 wt%, cement 10 to 20 wt%, resin mortar 8 to 12 wt%, and pigment 2 to 4 wt% Weight parts; 100 parts by weight of a lower plate blend containing 68 to 80% by weight of blast furnace slag, 10 to 20% by weight of cement and 10 to 12% by weight of resin mortar, and the resin mortar is composed of a urethane acrylate resin as a first binder resin and a second binder resin A binder resin composed of a polymethylmethacrylate resin as a binder resin; Curing agent; sand; And a filler, wherein a mixing ratio of the urethane acrylate resin and the polymethyl methacrylate resin is in the range of 10 to 60:90 to 40, and the curing agent is composed of benzoyl peroxide, The sand may be composed of two or more kinds of sand having different particle diameters, or the sand may be composed of sand having a particle diameter of 0.2 to 0.4 mm, sand having a particle diameter of 0.4 to 0.8 mm, And 1 to 20 parts by weight of salt is added to 100 parts by weight of sand, and gravel is added to the sand. The particle size of the gravel is 2 to 15 mm, and the filler is calcium carbonate, talc ), Or both of them. The calcium carbonate has a particle diameter of 10 to 80 mu m. The talc has a particle diameter of 50 to 200 mu m. 100 parts by weight of the resin mortar is mixed with dimethyl 1 part by weight of dimethyl acetamide (DMA), 25 to 30% by weight of methyl methacrylate per 100 parts by weight of the top plate combination; 25 to 30% by weight of polypropylene glycol acrylate; 5 to 10% by weight of butyl acrylate; 4 to 5% by weight of polyoxypropylene glycerol triether; 0.1 to 1% by weight of lithium silicate; 1 to 2% by weight of a surfactant; 1 to 2% by weight of a polycarboxylic acid-based fluidizing agent; 10 to 20 parts by weight of a main resin composition composed of 30 to 38% by weight of water is added and mixed, Based on 100 parts by weight of the lower plate blend, 25 to 30% by weight of methyl methacrylate; 25 to 30% by weight of polypropylene glycol acrylate; 5 to 10% by weight of butyl acrylate; 4 to 5% by weight of polyoxypropylene glycerol triether; 0.1 to 1% by weight of lithium silicate; 1 to 2% by weight of a surfactant; 1 to 2% by weight of a polycarboxylic acid-based fluidizing agent; 10 to 20 parts by weight of a main resin composition composed of 30 to 38% by weight of water is added and mixed, and 10% by weight of urethane acrylate is added to 100 parts by weight of the main resin composition. 10% by weight of butyl acrylate; 3% by weight of lithium silicate (SiO2); 60% by weight of polymethyl methacrylate; 15% by weight of hydroxyl ethyl methacrylate; And 5 parts by weight of an auxiliary resin composition composed of 2% by weight of sodium silicate (Na2SiO2. NH2O). In order to accomplish the above object, the present invention also provides a method for producing a braille block composition, comprising blending 64 to 80% by weight of blast furnace slag, 10 to 20% by weight of cement, 8 to 12% by weight of resin mortar, and 2 to 4% 100 parts by weight of a top plate combination; 100 parts by weight of a lower plate blend containing 68 to 80% by weight of blast furnace slag, 10 to 20% by weight of cement and 10 to 12% by weight of resin mortar, and the resin mortar is composed of a urethane acrylate resin as a first binder resin and a second binder resin A binder resin composed of a polymethylmethacrylate resin as a binder resin; Curing agent; sand; And a filler, wherein a mixing ratio of the urethane acrylate resin and the polymethyl methacrylate resin is in the range of 10 to 60:90 to 40, and the curing agent is composed of benzoyl peroxide, The sand may be composed of two or more kinds of sand having different particle diameters, or the sand may be composed of sand having a particle diameter of 0.2 to 0.4 mm, sand having a particle diameter of 0.4 to 0.8 mm, And 1 to 20 parts by weight of salt is added to 100 parts by weight of sand, and gravel is added to the sand. The particle size of the gravel is 2 to 15 mm, and the filler is calcium carbonate, talc ), Or both of them. The calcium carbonate has a particle diameter of 10 to 80 mu m. The talc has a particle diameter of 50 to 200 mu m. 100 parts by weight of the resin mortar is mixed with dimethyl 1 part by weight of dimethyl acetamide (DMA) was added, 25 to 30% by weight of methyl methacrylate, based on 100 parts by weight of the top plate combination; 25 to 30% by weight of polypropylene glycol acrylate; 5 to 10% by weight of butyl acrylate; 4 to 5% by weight of polyoxypropylene glycerol triether; 0.1 to 1% by weight of lithium silicate; 1 to 2% by weight of a surfactant; 1 to 2% by weight of a polycarboxylic acid-based fluidizing agent; 10 to 20 parts by weight of a main resin composition composed of 30 to 38% by weight of water is added and mixed, 10 parts by weight of urethane acrylate in 100 parts by weight of the main resin composition; 10% by weight of butyl acrylate; 3% by weight of lithium silicate (SiO2); 60% by weight of polymethyl methacrylate; 15% by weight of hydroxyl ethyl methacrylate; 5 parts by weight of an auxiliary resin composition composed of 2% by weight of sodium silicate (Na2SiO2. NH2O) Based on 100 parts by weight of the lower plate blend, 25 to 30% by weight of methyl methacrylate; 25 to 30% by weight of polypropylene glycol acrylate; 5 to 10% by weight of butyl acrylate; 4 to 5% by weight of polyoxypropylene glycerol triether; 0.1 to 1% by weight of lithium silicate; 1 to 2% by weight of a surfactant; 1 to 2% by weight of a polycarboxylic acid-based fluidizing agent; 10 to 20 parts by weight of a main resin composition composed of 30 to 38% by weight of water is added and mixed, and 10% by weight of urethane acrylate is added to 100 parts by weight of the main resin composition. 10% by weight of butyl acrylate; 3% by weight of lithium silicate (SiO2); 60% by weight of polymethyl methacrylate; 15% by weight of hydroxyl ethyl methacrylate; A method for producing a braille block using a braille block composition comprising 5 parts by weight of an auxiliary resin composition composed of 2% by weight of sodium silicate (Na2SiO2. NH2O) The top plate combination 10 is prepared by blending 64 to 80% by weight of blast furnace slag, 10 to 20% by weight of cement, 8 to 12% by weight of resin mortar and 2 to 4% by weight of pigment, blast furnace slag of 64 to 80% 10 to 20 wt%, resin mortar 9 to 12 wt%, and pigment 1 to 4 wt% The lower plate mixture 20 is prepared by blending 68 to 80% by weight of blast furnace slag, 10 to 20% by weight of cement and 10 to 12% by weight of resin mortar, 65 to 80% by weight of blast furnace slag, 10 to 20% 10 to 15% by weight of a mortar, The preparation of the optically semiconductive composite ceramics 30 is performed by reacting at least one of hydrogen peroxide with each sol to prepare at least one metal ion of Ag, And then mixing the respective sols to which the metal ions are added, After the top plate combination 10, the bottom plate combination 20 and the optically semiconductive composite ceramics 30 were prepared, the top plate combination 10 and the main resin composition were mixed and put into a mold, After the lower plate mixture 20 and the main resin composition are put into a mold, they are pressed together to form an integral body, cured for a predetermined period of time, demolded and naturally cured, and then the top plate combination 10 is put in a mold for 5-10 minutes After the lapse of time, after the lower plate mixture 20 is put in a state in which the upper plate combination 10 is cured, the press plate is press-pressed and then demolded after a certain period of time. ) Was coated by any one of Dipp-Coat, Spray-Coat and Roll-Coat, and then the coated braille block (B) was coated at 60 to 120 ° C for 5 Dried for 20 minutes at 150 to 300 ° C to prepare a braille block. It shall be.