CN104529295A - Fiber surface mortar and preparation method thereof - Google Patents

Abstract

The invention discloses fiber surface mortar. The fiber surface mortar is prepared from the following raw materials in parts by weight: 3-5 parts of polyacrylamide, 20-25 parts of basalt fibers, 18-22 parts of polypropylene fibers, 4-6 parts of carboxymethyl cellulose, 35-40 parts of titanium dioxide, 20-25 parts of acrylic emulsion, 2-3 parts of ferric citrate, 1-3 parts of ferric trichloride, 6-8 parts of sodium metasilicate, an appropriate amount of water, 20-25 parts of auxiliaries, 25-25 parts of active silicon dioxide micro powder, 140-160 parts of cement and 250-270 parts of sand. The mortar disclosed by the invention is added with the basalt fibers and the polypropylene fibers, so that the toughness and the cracking resistance of the mortar are greatly increased; the active silicon dioxide micro powder is added, so that the compactness of the mortar is increased, the compressive strength of the mortar is increased, the peaceability, liquidity and the water-retaining property of the mortar are good, the surface is uniform and free of gas bubbles; the auxiliaries are used, so that the compressive strength and the breaking strength of the mortar are improved, and the peaceability, the sag resistance, the thixotropy and the settling resistance are improved.

Description

A kind of fiber plastering mortar and preparation method thereof

Technical field

The invention belongs to building material field, particularly a kind of fiber plastering mortar and preparation method thereof.

Background technology

Mortar is common material for building, belongs to the indispensable material in building operation.Divide according to performance, mortar is divided into a variety of, has in conjunction with mortar, filleting mortar, thermal insulation mortar etc.; Masonry mortar, plastering mortar (comprising decoration mortar, waterproof mortar), adhesive mortar etc. are divided into by purposes.

The performance quality of current mortar differs, and affects use.Specifically the factor affecting mortar performance comprises the workability of fresh mortar, mobility, water-retentivity, is exactly the intensity of hardened mortar in addition.Need to study new mortar, make it have excellent application property and processibility, sag resistance, thixotropy, anti-settling, package stability, improve pumping and shear-thinning, also need to find new material, to improve its use properties and intensity, and reduce comprehensive cost.

Summary of the invention

The object of the present invention is to provide a kind of fiber plastering mortar and preparation method thereof, this mortar toughness, resistance to cleavage are good, and density is good, and ultimate compression strength is high, workability, mobility, good water-retaining property, wipe one's face evenly, bubble-free.

Technical scheme of the present invention is as follows:

A kind of fiber plastering mortar, is characterized in that being made up of the raw material of following weight part: polyacrylamide 3-5, basalt fibre 20-25, polypropylene fibre 18-22, carboxymethyl cellulose 4-6, titanium dioxide 35-40, ACRYLIC EMULSION 20-25, ironic citrate 2-3, iron trichloride 1-3, Starso 6-8, water are appropriate, auxiliary agent 20-25, active silica fume 23-25, cement 140-160, sand 250-270;

Described auxiliary agent is made up of the raw material of following weight part: charcoal powder 1-2, lac resin 1-2, carboxymethyl cellulose 2-3, ethanol 3-5, Stainless Steel Fibre 6-7, double pentaerythritol methacrylate 4-5, E-12 epoxy resin 2-3, epoxy acrylate 3-4, zinc borate 1-1.4, wilkinite 3-4, 10-15% sodium hydroxide 5-7, tripoly phosphate sodium STPP 1-1.5, calcium sulfate crystal whiskers 3-4, smoke sheet rubber 1-2, 196 unsaturated polyester resin 3-4, calcium sulfite 2-3, isophorone 0.4-0.5, sodium oleate 0.2-0.3, ammonium persulphate 0.1-0.2, Potassium Persulphate 0.1-0.2, water 17-20, preparation method is: wilkinite is put into calcining furnace, at 670-700 DEG C, calcine 3-4 hour, takes out, puts into 10-15% sodium hydroxide solution and be ground to 20-40 μm of slurry, and material pH value of sizing mixing is for neutral, and spraying dry obtains powder, by water, sodium oleate mixing, add carboxymethyl cellulose, ethanol, double pentaerythritol methacrylate, E-12 epoxy resin, epoxy acrylate, 196 unsaturated polyester trees, stir, be heated to 70-80 DEG C, add Potassium Persulphate stirring reaction 20-30 minute, then add described powder and other remaining components, be heated to 80-90 DEG C, stirring reaction 30-40 minute, to obtain final product.

The preparation method of described fiber plastering mortar, is characterized in that comprising the following steps:

(1) by polyacrylamide, carboxymethyl cellulose, ACRYLIC EMULSION, ironic citrate, iron trichloride, Starso, water mixing, stir and obtain slurry;

(2) by auxiliary agent, titanium dioxide, active silica fume mixing, dispersion grinding 20-30 minute, obtains mixture;

(3) mixing of materials other remaining components and (1) step, (2) step obtained is even, and stirring reaction 10-15 minute, to obtain final product.

Beneficial effect of the present invention

Mortar of the present invention with the addition of basalt fibre, polypropylene fibre, considerably increases the toughness of mortar, resistance to cleavage, by adding active silica fume, add the density of mortar, add ultimate compression strength, this mortar workability, mobility, good water-retaining property, wipe one's face evenly, bubble-free; The application of the invention auxiliary agent, improves the resistance to compression of mortar, folding strength, improves workability, sag resistance, thixotropy and anti-settling.

Embodiment

A kind of fiber plastering mortar, is made up of the raw material of following weight part (kilogram): polyacrylamide 4, basalt fibre 23, polypropylene fibre 20, carboxymethyl cellulose 5, titanium dioxide 38, ACRYLIC EMULSION 23, ironic citrate 2.5, iron trichloride 2, Starso 7, water are appropriate, auxiliary agent 23, active silica fume 24, cement 150, sand 260;

Described auxiliary agent is made up of the raw material of following weight part (kilogram): charcoal powder 1.5, lac resin 1.5, carboxymethyl cellulose 2.5, ethanol 4, Stainless Steel Fibre 6.5, double pentaerythritol methacrylate 4.5, E-12 epoxy resin 2.5, epoxy acrylate 3.5, zinc borate 1.2, wilkinite 3.5, 15% sodium hydroxide 6, tripoly phosphate sodium STPP 1.3, calcium sulfate crystal whiskers 3.5, smoke sheet rubber 1.5, 196 unsaturated polyester resins 3.5, calcium sulfite 2.5, isophorone 0.5, sodium oleate 0.3, ammonium persulphate 0.1, Potassium Persulphate 0.2, water 19, preparation method is: wilkinite is put into calcining furnace, calcines 3.5 hours at 690 DEG C, takes out, puts into 15% sodium hydroxide solution and be ground to 30 μm of slurries, and material pH value of sizing mixing is for neutral, and spraying dry obtains powder, by water, sodium oleate mixing, add carboxymethyl cellulose, ethanol, double pentaerythritol methacrylate, E-12 epoxy resin, epoxy acrylate, 196 unsaturated polyester trees, stir, be heated to 75 DEG C, add Potassium Persulphate stirring reaction 25 minutes, then add described powder and other remaining components, be heated to 85 DEG C, stirring reaction 35 minutes, to obtain final product.

The preparation method of described fiber plastering mortar, comprises the following steps:

(1) by polyacrylamide, carboxymethyl cellulose, ACRYLIC EMULSION, ironic citrate, iron trichloride, Starso, water mixing, stir and obtain slurry;

(2) by auxiliary agent, titanium dioxide, active silica fume mixing, dispersion grinding 25 minutes, obtains mixture;

(3) mixing of materials other remaining components and (1) step, (2) step obtained is even, and stirring reaction 13 minutes, to obtain final product.

Experimental data:

The ultimate compression strength of the mortar 28d of this embodiment is 44MPa, folding strength 13MPa, water-intake rate 1.6%.

Claims (2)

1. a fiber plastering mortar, is characterized in that being made up of the raw material of following weight part: polyacrylamide 3-5, basalt fibre 20-25, polypropylene fibre 18-22, carboxymethyl cellulose 4-6, titanium dioxide 35-40, ACRYLIC EMULSION 20-25, ironic citrate 2-3, iron trichloride 1-3, Starso 6-8, water are appropriate, auxiliary agent 20-25, active silica fume 23-25, cement 140-160, sand 250-270;

Described auxiliary agent is made up of the raw material of following weight part: charcoal powder 1-2, lac resin 1-2, carboxymethyl cellulose 2-3, ethanol 3-5, Stainless Steel Fibre 6-7, double pentaerythritol methacrylate 4-5, E-12 epoxy resin 2-3, epoxy acrylate 3-4, zinc borate 1-1.4, wilkinite 3-4, 10-15% sodium hydroxide 5-7, tripoly phosphate sodium STPP 1-1.5, calcium sulfate crystal whiskers 3-4, smoke sheet rubber 1-2, 196 unsaturated polyester resin 3-4, calcium sulfite 2-3, isophorone 0.4-0.5, sodium oleate 0.2-0.3, ammonium persulphate 0.1-0.2, Potassium Persulphate 0.1-0.2, water 17-20, preparation method is: wilkinite is put into calcining furnace, at 670-700 DEG C, calcine 3-4 hour, takes out, puts into 10-15% sodium hydroxide solution and be ground to 20-40 μm of slurry, and material pH value of sizing mixing is for neutral, and spraying dry obtains powder, by water, sodium oleate mixing, add carboxymethyl cellulose, ethanol, double pentaerythritol methacrylate, E-12 epoxy resin, epoxy acrylate, 196 unsaturated polyester trees, stir, be heated to 70-80 DEG C, add Potassium Persulphate stirring reaction 20-30 minute, then add described powder and other remaining components, be heated to 80-90 DEG C, stirring reaction 30-40 minute, to obtain final product.

2. the preparation method of fiber plastering mortar according to claim 1, is characterized in that comprising the following steps:

(1) by polyacrylamide, carboxymethyl cellulose, ACRYLIC EMULSION, ironic citrate, iron trichloride, Starso, water mixing, stir and obtain slurry;

(2) by auxiliary agent, titanium dioxide, active silica fume mixing, dispersion grinding 20-30 minute, obtains mixture;

(3) mixing of materials other remaining components and (1) step, (2) step obtained is even, and stirring reaction 10-15 minute, to obtain final product.