CN104058690A - High-strength thermal insulation mortar - Google Patents

Abstract

The invention discloses high-strength thermal insulation mortar which comprises the following raw materials in parts by weight: 30-50 parts of ferro-aluminate cement, 45-65 parts of iron tailing sand, 20-30 parts of polyurethane granules, 5-10 parts of loess, 10-15 parts of attapulgite, 14-18 parts of illite powder, 8-12 parts of waste rubber powder, 4-6 parts of carbon fiber powder, 1-2 parts of sodium caseinate, 2-3 parts of redispersible latex powder, 1.5-2.5 parts of polyvinylpyrrolidone, 1-2 parts of sodium humate, 0.5-1 part of sodium sulfanilate and 4-6 parts of composite fillers. The thermal insulation mortar is relatively high in bonding strength, compressive strength and impact resistance, effectively solves the problems of easy cracking, easy hollowing and the like of conventional thermal insulation mortar, has the advantages of excellent thermal insulation property, whether resistance, water resistance, ageing resistance, corrosion resistance and the like, is completely environmental friendly, simple and convenient to construct and durable, and can be widely applied to building external wall and internal wall insulation systems.

Description

High-strength insulation mortar

Technical field

The present invention relates to a kind of high-strength insulation mortar, belong to building material field.

Background technology

Thermal insulation mortar is taking various light materials as aggregate, taking cement as gelating material, admixes some property-modifying additives, is uniformly mixed and a kind of premixing dry-mix of making, for constructing a kind of material of construction of building surface thermal insulation layer through manufacturing enterprise.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, existing thermal insulation mortar also exists the shortcoming that intensity is low, and hollowing, problems of crack easily occur.

Summary of the invention

The object of the invention is to for the deficiencies in the prior art, a kind of high-strength insulation mortar is provided, effectively prevent the generation of the phenomenon such as hollowing, cracking.

The technical solution used in the present invention is as follows:

A kind of high-strength insulation mortar, is made up of the raw material of following weight part: ferro-aluminate cement 30-50, tail iron sand 45-65, Polyurethane particle 20-30, loess 5-10, attapulgite 10-15, the stone flour 14-18 of Erie, waste Crumb rubber 8-12, carbon fiber powder 4-6, sodium-caseinate 1-2, redispersible latex powder 2-3, polyvinylpyrrolidone 1.5-2.5, sodium humate 1-2, Sodium sulfanilate 0.5-1, compounded mix 4-6;

The preparation method of described compounded mix is as follows:

(a) take the raw material of following weight part: sepiolite 10-15, vermiculite 5-10, shale 20-30, coal gangue 8-12, kaolin 10-15, boron mud 5-10, vinyl three ('beta '-methoxy oxyethyl group) silane 1-2, spent pulping liquor 25-35, plant ash 4-8, Nano silica sol 15-20, tripoly phosphate sodium STPP 3-6, sorbester p17 0.5-1, citric acid 1-2, sugared calcium 2-4, nano-silicon nitride 3-5, jade powder 4-6, cocoanut fatty acid diethanolamide 2-3;

(b) shale, coal gangue, kaolin and boron mud are mixed, pulverized 100-150 mesh sieve, then add spent pulping liquor, citric acid and tripoly phosphate sodium STPP, wet ball grinding 20-30min, granulation, control particle diameter is 0.3-0.4mm, dries at 110-120 DEG C, high-temperature roasting 1-2h at 1150-1250 DEG C, is cooled to room temperature stand-by again;

(c) sepiolite and vermiculite are mixed after in 660-720 DEG C of temperature lower calcination 2-3h, be cooled to room temperature and be placed on the hydrochloric acid soln that concentration is 10-15%, heating in water bath is to 70-80 DEG C, and insulation 30-50min, filters, with distilled water, residue washing is extremely neutral, dry, pulverized 200-300 mesh sieve, then add vinyl three ('beta '-methoxy oxyethyl group) silane, cocoanut fatty acid diethanolamide, sugared calcium, nano-silicon nitride and jade powder, high-speed mixing 20-30min, stand-by;

(d) get Nano silica sol and sorbester p17 stirs, the particle that adds step (b) to make, high-speed stirring 5-10min, then the compound that adds plant ash and step (c) to make, high-speed stirring 10-15min, dries.

Using method: above-mentioned raw materials is mixed, then by weight 1: the ratio of 1.1-1.4 can be used after mortar dry powder and water are stirred.

Beneficial effect of the present invention:

Thermal insulation mortar of the present invention has higher cohesive strength, ultimate compression strength and shock resistance, the problems such as easy to crack, the easy hollowing that effectively solves that traditional thermal insulation mortar exists, and there is the advantages such as good heat insulation property, weathering resistance, water-repellancy, resistance to deterioration and erosion resistance, environmental protection is complete, easy construction, durable in use, can be widely used in external wall and heat insulating inner wall system.

embodiment

A kind of high-strength insulation mortar, is made up of the raw material of following weight (kg): ferro-aluminate cement 42, tail iron sand 55, Polyurethane particle 25, loess 7, attapulgite 12, Erie's stone flour 16, waste Crumb rubber 10, carbon fiber powder 5, sodium-caseinate 1.5, redispersible latex powder 2.5, polyvinylpyrrolidone 2, sodium humate 1.5, Sodium sulfanilate 0.6, compounded mix 5;

The preparation method of described compounded mix is as follows:

(a) take the raw material of following weight part: sepiolite 10, vermiculite 10, shale 20, coal gangue 12, kaolin 10, boron mud 10, vinyl three ('beta '-methoxy oxyethyl group) silane 2, spent pulping liquor 33, plant ash 6, Nano silica sol 18, tripoly phosphate sodium STPP 4, sorbester p17 0.8, citric acid 1.5, sugared calcium 3, nano-silicon nitride 4, jade powder 5, cocoanut fatty acid diethanolamide 2.5;

(b) shale, coal gangue, kaolin and boron mud are mixed, pulverized 150 mesh sieves, then add spent pulping liquor, citric acid and tripoly phosphate sodium STPP, wet ball grinding 25min, granulation, control particle diameter is 0.3mm, at 120 DEG C dry, then at 1200 DEG C high-temperature roasting 2h, be cooled to room temperature stand-by;

(c) sepiolite and vermiculite are mixed after in 670 DEG C of temperature lower calcination 3h, being cooled to room temperature, to be placed on concentration be 15% hydrochloric acid soln, heating in water bath to 80 DEG C, insulation 30min, filters, with distilled water, residue washing is extremely neutral, dry, pulverized 200 mesh sieves, then add vinyl three ('beta '-methoxy oxyethyl group) silane, cocoanut fatty acid diethanolamide, sugared calcium, nano-silicon nitride and jade powder, high-speed mixing 30min, stand-by;

(d) get Nano silica sol and sorbester p17 stirs, the particle that adds step (b) to make, high-speed stirring 7min, then the compound that adds plant ash and step (c) to make, high-speed stirring 10min, dries.

Above-mentioned raw materials is mixed, after then by weight the ratio of 1: 1.2, mortar dry powder and water being stirred, can use.

The performance perameter of the thermal insulation mortar that the present embodiment is produced sees the following form.

Project	Measure unit	Measured value
			Thermal conductivity	W/（m·k）	0.038
28d ultimate compression strength	kPa	419
			Linear shrinkage	%	0.24
Coefficient of softening	—	0.87
			Splitting resistance	—	The following flawless of 5mmm

Claims (1)

1. a high-strength insulation mortar, it is characterized in that, formed by the raw material of following weight part: ferro-aluminate cement 30-50, tail iron sand 45-65, Polyurethane particle 20-30, loess 5-10, attapulgite 10-15, the stone flour 14-18 of Erie, waste Crumb rubber 8-12, carbon fiber powder 4-6, sodium-caseinate 1-2, redispersible latex powder 2-3, polyvinylpyrrolidone 1.5-2.5, sodium humate 1-2, Sodium sulfanilate 0.5-1, compounded mix 4-6;

The preparation method of described compounded mix is as follows:

(a) take the raw material of following weight part: sepiolite 10-15, vermiculite 5-10, shale 20-30, coal gangue 8-12, kaolin 10-15, boron mud 5-10, vinyl three ('beta '-methoxy oxyethyl group) silane 1-2, spent pulping liquor 25-35, plant ash 4-8, Nano silica sol 15-20, tripoly phosphate sodium STPP 3-6, sorbester p17 0.5-1, citric acid 1-2, sugared calcium 2-4, nano-silicon nitride 3-5, jade powder 4-6, cocoanut fatty acid diethanolamide 2-3;

(b) shale, coal gangue, kaolin and boron mud are mixed, pulverized 100-150 mesh sieve, then add spent pulping liquor, citric acid and tripoly phosphate sodium STPP, wet ball grinding 20-30min, granulation, control particle diameter is 0.3-0.4mm, dries at 110-120 DEG C, high-temperature roasting 1-2h at 1150-1250 DEG C, is cooled to room temperature stand-by again;

(c) sepiolite and vermiculite are mixed after in 660-720 DEG C of temperature lower calcination 2-3h, be cooled to room temperature and be placed on the hydrochloric acid soln that concentration is 10-15%, heating in water bath is to 70-80 DEG C, and insulation 30-50min, filters, with distilled water, residue washing is extremely neutral, dry, pulverized 200-300 mesh sieve, then add vinyl three ('beta '-methoxy oxyethyl group) silane, cocoanut fatty acid diethanolamide, sugared calcium, nano-silicon nitride and jade powder, high-speed mixing 20-30min, stand-by;

(d) get Nano silica sol and sorbester p17 stirs, the particle that adds step (b) to make, high-speed stirring 5-10min, then the compound that adds plant ash and step (c) to make, high-speed stirring 10-15min, dries.