Organic and inorganic compound cemented water-permeable brick and preparation method thereof
An inorganic composite and composite cementing agent technology, applied in clay preparation devices, chemical instruments and methods, manufacturing tools, etc., can solve the problems of complex production process, failure of water permeability, unfriendly environment, etc., to achieve simple production process, guarantee glue Bonding strength and the effect of improving water permeability
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[0033] The present invention also provides a method for preparing the organic-inorganic composite cemented permeable brick, including the preparation of an organic composite cement, the formation of the permeable brick body, and the maintenance of the permeable brick body; specifically, the following steps are included:
[0034] (1) Mix the monomer hydroxypropyl acrylate, acrylamide, sodium dodecylbenzenesulfonate, propyltrimethoxysilane, water and cement according to the weight ratio of the permeable brick of the present invention, and stir with a rotary mixer For the slurry, the stirring speed is 120 rpm, and the stirring time is 10-20 minutes, to complete grafting and copolymerization, and form an organic binder;
[0035] (2) On the basis of the organic cement obtained in step (1), add an appropriate amount of cement and water, and mix with two kinds of aggregates with different particle sizes according to the ratio, and vibrate in a steel mold of 100mm×100mm×35mm Squeeze, ...
Embodiment 1
[0041] This example is used to illustrate the organic-inorganic composite cemented permeable brick and its preparation method provided by the present invention.
[0042] Weigh 3g of monomeric hydroxypropyl acrylate, 1g of acrylamide, 0.5g of sodium dodecylbenzenesulfonate, 0.5g of propyltrimethoxysilane, 3g of water, and 4g of cement, and stir and mix with a rotary mixer at a speed of The stirring time is 120 rpm and the stirring time is 20 minutes to obtain an organic binder. Weigh 480g of gravel with a particle size of 5mm, 120g of river sand with a particle size of 0.5mm, and 68g of cement, mix them with the above-mentioned organic cement, add 20g of water, stir and mix for 10 minutes, and pour the mixture into a steel pipe with a size of 100mm×100mm×35mm. In mold making, vibrate for 1 minute, then use a hydraulic press to press and form under the pressure of 20 MPa, hold the pressure for 1 minute, release the pressure and demould to obtain a permeable brick body, and maint...
Embodiment 2
[0046] This example is used to illustrate the organic-inorganic composite cemented permeable brick and its preparation method provided by the present invention.
[0047] Weigh 4g of monomeric hydroxypropyl acrylate, 1.5g of acrylamide, 0.8g of sodium dodecylbenzenesulfonate, 0.7g of propyltrimethoxysilane, 4g of water, and 4g of cement, and stir and mix with a rotary mixer. The speed is 120 rpm, and the stirring time is 20 minutes to obtain an organic binder. Weigh 500g of gravel with a particle size of 5mm, 100g of river sand with a particle size of 0.5mm, and 65g of cement, mix them with the above-mentioned organic cement, add 20g of water, stir and mix for 10 minutes, and pour the mixture into a steel pipe with a size of 100mm×100mm×35mm. In mold making, vibrate for 1 minute, then use a hydraulic press to press and form under the pressure of 20 MPa, hold the pressure for 1 minute, release the pressure and demould to obtain a permeable brick body, and maintain it at room tem...
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