CN104609822A - High-strength heat-preservation mortar for buildings - Google Patents

Abstract

The invention discloses high-strength heat-preservation mortar for buildings. The mortar is prepared from the following raw materials in parts by weight: 5-15 parts of magnesium oxide, 10-20 parts of latex powder, 14-18 parts of sulphate aluminium cement, 10-20 parts of silica fume, 5-10 parts of rubber powder, 4-8 parts of a water reducing agent, 9-16 parts of composite filler, 15-25 parts of fly ash, 7-14 parts of sodium diacetate, 3-9 parts of asbestos fiber, 16-22 parts of sodium silicate and 10-20 parts of fine sand. The high-strength heat-preservation mortar for buildings has the advantages of high bonding strength, good heat preservation and heat insulation performances, high compressive strength, good impact resistance and good weather resistance; the high-strength heat-preservation mortar for buildings is compatible with the heat preservation and heat insulation performances and a solid impact isolating function, and can simplify the construction and improve the efficiency.

Description

A kind of high-strength insulation mortar for building

Technical field

The present invention relates to building material technical field, be specifically related to a kind of high-strength insulation mortar for building.

Background technology

Heat-insulating property in space is directly connected to thermostability and the comfortableness of indoor environment, plays vital effect to reduction building energy consumption.The old house of eighties of last century the 80s and 90s is not effectively incubated, sound insulation measure, and the noise complaint that resident families transmit floor gap is always continuous.And the house built in the last few years, take certain measure.The sound insulation of metope carrys out isolated air-borne sound by this mixing material of concrete.Heat preserving mode is external wall outer insulation mainly, interior wall inside holding and wall self-insulation.The heat-insulating property of window uses double glazing necessarily to be improved.But the heat insulating and sound insulating of flooring does not still cause enough attention, as the integral part of building enclosure, this to have greatly improved space to minimizing heat loss.Simultaneously along with the raising of people's living standard, higher requirement be there has also been to home insulation sound insulation.

In addition, from way, current existing metope insulation is additional thermal insulation.Although this method can reach certain effect, various thermal insulation material price is higher, and also can consume the various energy in a large number in its process of manufacture.Building energy conservation energy consumption in use after should not only being conceived to build and building up, also from the idea of total system, should pay close attention to the energy consumption of building life cycle management.From this angle, the novel thermal insulation mortar of flooring just not only will have outstanding thermal and insulating performance, and its processing process also should be simple, saves the energy, reduces cost.

Along with continuous popularization and people's improving constantly living environment comfortableness demand of low-carbon environment-friendly and building energy conservation, thermal insulation mortar more and more attracts widespread attention, the research of China's thermal insulation mortar is more in recent years, existing a lot of application in Practical Project, but compared with developed countries, the performance such as its heat-insulating property, weather resistance, ultimate compression strength, shock resistance, waterproof mildew-resistant, cracking resistance need to improve.

Summary of the invention

For the deficiencies in the prior art, technical problem to be solved by this invention is, cohesive strength is high, heat insulation property good, ultimate compression strength is high, good impact resistance, good weatherability to provide one to have, and have thermal and insulating performance and isolated solid impact sound function concurrently, the high-strength insulation mortar for building of can simplify construction, raising the efficiency.

For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of high-strength insulation mortar for building, is characterized in that: be made up of the raw material of following parts by weight: magnesium oxide 5-15 part, latex powder 10-20 part, aluminosulfate cement 14-18 part, silicon ash 10-20 part, rubber powder 5-10 part, water reducer 4-8 part, compounded mix 9-16 part, flyash 15-25 part, sodium Diacetate 7-14 part, fibrous magnesium silicate 3-9 part, water glass 16-22 part, fine sand 10-20 part;

Described compounded mix is made up of the raw material of following parts by weight:

Kaolin 5-10 part, volcanic ash 6-9 part, starch 4-8 part, Exocarpium cocois (Cocos nucifera L) 10-14 part, methyl acrylate 3-6 part, carrys out dioctyl phthalate 2-5 part, Natvosol 3-6 part.

Above-mentioned high-strength insulation mortar for building, the preparation method of described compounded mix is: (1) get Exocarpium cocois (Cocos nucifera L) clean after, after sintering coconut shell ash for subsequent use;

(2) kaolin, volcanic ash are calcined 1-2 hour at 700-750 DEG C, then, take out, add in suitable quantity of water in the lump with coconut shell ash and grind, add 10-15% hydrochloric acid soln and adjust PH to be 4-5, after ground slurry to 400-500 order, repeated hydrogenation sodium oxide is adjusted to neutrality, spraying dry, rear and other raw material blendings, to obtain final product.

Above-mentioned high-strength insulation mortar for building, described rubber powder be junked tire through processing treatment, the rubber item powder of formation.

Above-mentioned high-strength insulation mortar for building, described water reducer is BC-2 type high efficiency water reducing agent, is composited, belongs to aniorfic surfactant by raw materials such as yellow acid formaldehyde condensation products and hardening accelerator.

Above-mentioned high-strength insulation mortar for building, the preferred 5mm-10mm of described fibrous magnesium silicate length.

Above-mentioned high-strength insulation mortar for building, described water glass to be modulus be 3.3 water glass.

The present invention's high-strength insulation mortar for building advantage is:

1, the present invention's high-strength insulation mortar for building, bright minimizing environmental pollution, reduces cement consumption in addition, saves the energy; The stable physical property of product, does not ftracture, anti-aging, long service life.

2, the present invention's high-strength insulation mortar for building, slurry composition is simple, scientific and reasonable, there is the performances such as excellent thermal and insulating performance, cohesive strength, ultimate compression strength, weathering resistance, waterproof mildew-resistant, anticracking, shock resistance, effectively can prevent metope dry shrinkage and cracking, moisture absorption mildew and come off, Construction Quality can be significantly improved, and have good workability, with low cost, environmental protection is complete, has the great market space and development prospect.

3, the present invention's high-strength insulation mortar for building, effectively improves the heat insulating and sound insulating performance of flooring, and reduce scattering and disappearing of heat, improve thermal property, control noises is propagated, and makes up the defect of conventional cement mortar; In addition, in use, this thermal insulation mortar is pollution-free, can not damage human body, is a kind of green material.

Embodiment

Below in conjunction with embodiment, the invention will be further described.

Embodiment 1, a kind of high-strength insulation mortar for building, is made up of the raw material of following parts by weight: 5 parts, magnesium oxide, latex powder 10 parts, aluminosulfate cement 14 parts, silicon ash 10 parts, rubber powder 5 parts, water reducer 4 parts, compounded mix 9 parts, 15 parts, flyash, sodium Diacetate 7 parts, fibrous magnesium silicate 3 parts, water glass 16 parts, fine sand 10 parts;

Described compounded mix is made up of the raw material of following parts by weight:

Kaolin 5 parts, volcanic ash 6 parts, starch 4 parts, Exocarpium cocois (Cocos nucifera L) 10 parts, methyl acrylate 3 parts, carrys out dioctyl phthalate 2 parts, Natvosol 3 parts.

The preparation method of described compounded mix is: (1) get Exocarpium cocois (Cocos nucifera L) clean after, after sintering coconut shell ash for subsequent use;

(2) kaolin, volcanic ash are calcined 1 hour at 700 DEG C, then, take out, add in suitable quantity of water in the lump with coconut shell ash and grind, adding 10% hydrochloric acid soln adjusts PH to be 4, and after ground slurry to 400 order, repeated hydrogenation sodium oxide is adjusted to neutrality, spraying dry, rear and other raw material blendings, to obtain final product.

Described rubber powder be junked tire through processing treatment, the rubber item powder of formation.

Described water reducer is BC-2 type high efficiency water reducing agent, is composited, belongs to aniorfic surfactant by raw materials such as yellow acid formaldehyde condensation products and hardening accelerator.

The preferred 5mm-10mm of described fibrous magnesium silicate length.

Described water glass to be modulus be 3.3 water glass.

Embodiment 2, a kind of high-strength insulation mortar for building, is made up of the raw material of following parts by weight: 10 parts, magnesium oxide, latex powder 15 parts, aluminosulfate cement 16 parts, silicon ash 15 parts, rubber powder 8 parts, water reducer 6 parts, compounded mix 12 parts, 18 parts, flyash, sodium Diacetate 11 parts, fibrous magnesium silicate 6 parts, water glass 19 parts, fine sand 15 parts;

Described compounded mix is made up of the raw material of following parts by weight:

Kaolin 8 parts, volcanic ash 8 parts, starch 6 parts, Exocarpium cocois (Cocos nucifera L) 12 parts, methyl acrylate 5 parts, carrys out dioctyl phthalate 4 parts, Natvosol 5 parts.

The preparation method of described compounded mix is: (1) get Exocarpium cocois (Cocos nucifera L) clean after, after sintering coconut shell ash for subsequent use;

(2) kaolin, volcanic ash are calcined 1.5 hours at 720 DEG C, then, take out, add in suitable quantity of water in the lump with coconut shell ash and grind, adding 13% hydrochloric acid soln adjusts PH to be 4.5, and after ground slurry to 450 order, repeated hydrogenation sodium oxide is adjusted to neutrality, spraying dry, rear and other raw material blendings, to obtain final product.

Described rubber powder be junked tire through processing treatment, the rubber item powder of formation.

Described water reducer is BC-2 type high efficiency water reducing agent, is composited, belongs to aniorfic surfactant by raw materials such as yellow acid formaldehyde condensation products and hardening accelerator.

The preferred 5mm-10mm of described fibrous magnesium silicate length.

Described water glass to be modulus be 3.3 water glass.

Embodiment 3, a kind of high-strength insulation mortar for building, is made up of the raw material of following parts by weight: 15 parts, magnesium oxide, latex powder 20 parts, aluminosulfate cement 18 parts, silicon ash 20 parts, rubber powder 10 parts, water reducer 8 parts, compounded mix 16 parts, 25 parts, flyash, sodium Diacetate 14 parts, fibrous magnesium silicate 9 parts, water glass 22 parts, fine sand 20 parts;

Described compounded mix is made up of the raw material of following parts by weight:

Kaolin 10 parts, volcanic ash 9 parts, starch 8 parts, Exocarpium cocois (Cocos nucifera L) 14 parts, methyl acrylate 6 parts, carrys out dioctyl phthalate 5 parts, Natvosol 6 parts.

The preparation method of described compounded mix is: (1) get Exocarpium cocois (Cocos nucifera L) clean after, after sintering coconut shell ash for subsequent use;

(2) kaolin, volcanic ash are calcined 2 hours at 750 DEG C, then, take out, add in suitable quantity of water in the lump with coconut shell ash and grind, adding 15% hydrochloric acid soln adjusts PH to be 5, and after ground slurry to 500 order, repeated hydrogenation sodium oxide is adjusted to neutrality, spraying dry, rear and other raw material blendings, to obtain final product.

Described rubber powder be junked tire through processing treatment, the rubber item powder of formation.

Described water reducer is BC-2 type high efficiency water reducing agent, is composited, belongs to aniorfic surfactant by raw materials such as yellow acid formaldehyde condensation products and hardening accelerator.

The preferred 5mm-10mm of described fibrous magnesium silicate length.

Described water glass to be modulus be 3.3 water glass.

Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited to above-mentioned citing; those skilled in the art; in essential scope of the present invention, the change made, change, interpolation or replacement, all should belong to protection scope of the present invention.

Claims (6)

1. a high-strength insulation mortar for building, is characterized in that: be made up of the raw material of following parts by weight: magnesium oxide 5-15 part, latex powder 10-20 part, aluminosulfate cement 14-18 part, silicon ash 10-20 part, rubber powder 5-10 part, water reducer 4-8 part, compounded mix 9-16 part, flyash 15-25 part, sodium Diacetate 7-14 part, fibrous magnesium silicate 3-9 part, water glass 16-22 part, fine sand 10-20 part;

Described compounded mix is made up of the raw material of following parts by weight:

Kaolin 5-10 part, volcanic ash 6-9 part, starch 4-8 part, Exocarpium cocois (Cocos nucifera L) 10-14 part, methyl acrylate 3-6 part, carrys out dioctyl phthalate 2-5 part, Natvosol 3-6 part.

2. high-strength insulation mortar for building according to claim 1, is characterized in that: the preparation method of described compounded mix is: (1) get Exocarpium cocois (Cocos nucifera L) clean after, after sintering coconut shell ash for subsequent use;

(2) kaolin, volcanic ash are calcined 1-2 hour at 700-750 DEG C, then, take out, add in suitable quantity of water in the lump with coconut shell ash and grind, add 10-15% hydrochloric acid soln and adjust PH to be 4-5, after ground slurry to 400-500 order, repeated hydrogenation sodium oxide is adjusted to neutrality, spraying dry, rear and other raw material blendings, to obtain final product.

3. high-strength insulation mortar for building according to claim 2, is characterized in that: described rubber powder be junked tire through processing treatment, the rubber item powder of formation.

4. high-strength insulation mortar for building according to claim 3, is characterized in that: described water reducer is BC-2 type high efficiency water reducing agent, is composited, belongs to aniorfic surfactant by raw materials such as yellow acid formaldehyde condensation products and hardening accelerator.

5. high-strength insulation mortar for building according to claim 4, is characterized in that: the preferred 5mm-10mm of described fibrous magnesium silicate length.

6. high-strength insulation mortar for building according to claim 5, is characterized in that: described water glass to be modulus be 3.3 water glass.