Stone aggregate wrapped by microfine fibre polymer mortar thin layer and preparation method thereof
A technology of fine fiber and stone bone, applied in the field of modified stone aggregate, can solve the problems of low strength in the interface transition zone, easy to cause cracks, adverse effects of interface bonding, etc., and achieves simple construction at room temperature, low price, and alkali inhibition. Aggregate reaction effect is good
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Embodiment 1
[0025] A stone aggregate coated with a thin layer of microfiber polymer mortar, comprising: a stone aggregate core 1, an adhesive inner coating layer 2 is wrapped on the outer surface of the stone aggregate core 1, and the adhesive inner coating layer 2 is outside A polymer cement mortar outer coating 3 is wrapped on the surface, an adhesive microfiber batt 4 is connected to the adhesive inner coating 2 and the fibers on the adhesive microfiber batt 4 extend to the polymer cement mortar The exterior of the outer wrap 3.
Embodiment 2
[0027] A method for preparing stone aggregate coated with a thin layer of fine fiber polymer mortar,
[0028] Step 1 Wash and dry the stone aggregate core 1 and spray organic adhesive on the surface of the stone aggregate core 1 or immerse the washed and dried stone aggregate core 1 in the organic adhesive to form on the surface of the stone aggregate core 1 A layer of adhesive inner coating 2 with a thickness of 20μm~30μm,
[0029] Step 2 While stirring the stone aggregate with adhesive, spray the fine fibers at the same time, and mix evenly to form the stone aggregate glued fine fiber hair layer 4.
[0030] Step 3 The polymer cement mortar outer coating layer 3 uses the organic and inorganic polymer cement paste as the outer coating material, and the polymer cement paste is covered on the surface with the adhesive inner coating layer 2 On the core 1 of the stone aggregate,
[0031] Step 4 Put the stone aggregate obtained in step 3 into the steam curing tank, stand still for 1 hour,...
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