CN106366744A - Heat-insulating elastic putty for building walls - Google Patents

Abstract

The invention discloses heat-insulating elastic putty for building walls. The heat-insulating elastic putty comprises, by weight, 26-31 parts of cement, 19-23 parts of hollow glass beads, 3.5-5 parts of tetraethoxysilane, 31-38 parts of absolute ethyl alcohol, 0.35-0.5 part of 1mol/L of hydrochloric acid, 1.6-2.5 parts of templating agents F127, 0.7-1 part of emulsifying agent OP-10, 0.4-0.6 part of sodium bicarbonate, 12-15 parts of silica sol, 0.3-0.5 part of ammonium persulfate, 6-8 parts of quartz sand, 6-7 parts of diatomite, 5-7 parts of polytetrafluoroethylene, 7-9 parts of flexible rubber powder, 3-4 parts of alkenyl succinic acid starch esters and appropriate parts of deionized water. The heat-insulating elastic putty has the advantages of simplicity in production, low cost, non-existence of mildewing, bulging, shedding and cracking after dampening of wall surfaces, good waterproofing and heat insulating performance and wide application range, thereby being worth popularization.

Description

A kind of construction wall insulation elastic putty

Technical field

The present invention relates to building putties technical field, more particularly, to a kind of construction wall insulation elastic putty.

Background technology

With the raising of industrial expansion and living standards of the people, people are continuously increased to the demand of the energy, and the energy lacks Mouth continues to increase.Building industry is one of fastest-rising industry of the current energy resource consumption of China, and at present, China's town and country existing building is total About 40,000,000,000 square metres of area, these build in use, the energy that the aspect such as its heating, air-conditioning, ventilation, illumination consumes Accounted for the 30% about of national total energy consumption, with the fast development of real estate in recent years, this ratio also riseing year by year, according to Achievement by advanced countries, the shared ratio in Chinese society's terminal total energy consumption of building energy consumption, 35% about will be stepped up, because This, it is necessary to pay attention to Energy Conservation Project in Construction, is greatly reduced the consumption of the energy, alleviates China's energy supply and demand contradiction, reduces environment Pollution and greenhouse effect, to keep the sustainable development of national economy.

In " haydites of book structure is studied with the preparation of heat preservation putty and correlated performance " literary composition, author adopts natural resourcess shale to make For wall thermal insulating heat-barrier material, article points out that slate flour physicochemical property is stable, and heat conductivity is relatively low, is suitable as being incubated work( Can filler, and the present invention to adopt slate flour and glass bead be functional stuffing, cement and rubber powder composition base material, and in addition fine Dimension manufactures experimently shale insulated putty, and the optimal proportion using the orthogonal design each component of acquisition, test result indicate that, glass bead And shale has a significant impact to the heat conductivity of heat preservation putty, the consumption of glass bead is fixed to the shrinkage factor one of heat preservation putty Ring, finally obtaining optimal parameter is: slate flour: glass bead: cement and other auxiliary agents are according to mass ratio 50:22:15:4 Mixing, the heat preservation putty heat conductivity of preparation is up to 0.087w/(m k) although in this invention the heat preservation putty that obtains have good Good effect of heat insulation, but also much do not reach energy-saving in practice, and it is greasy to external wall to can not meet people The higher and higher use demand of sub- material, and the filler such as glass microballoon is applied directly in putty material, bad dispersibility is it is impossible to have The performance having given play to itself of effect is it is impossible to give the new performance of material, so the surface-functionalized of hollow glass micropearl is to carry The key of high hollow glass bead composite performance.

Content of the invention

The object of the invention is exactly the defect in order to make up prior art, provides a kind of construction wall insulation elastic putty.

The present invention is achieved by the following technical solutions:

A kind of construction wall insulation elastic putty, is made up of the raw material of following weight portion: cement 26-31, hollow glass are micro- Pearl 19-23, tetraethyl orthosilicate 3.5-5, dehydrated alcohol 31-38,1mol/l hydrochloric acid 0.35-0.5, template f1271.6-2.5, Emulsifying agent op-100.7-1, sodium bicarbonate 0.4-0.6, Ludox 12-15, Ammonium persulfate. 0.3-0.5, quartz sand 6-8, kieselguhr 6-7, politef 5-7, flexible rubber powder 7-9, starch alkenyl succinate ester 3-4, appropriate deionized water.

A kind of described construction wall insulation elastic putty, is made up of following concrete steps:

(1) by hollow glass micropearl be impregnated into 80 DEG C mass concentration be 3-5g/l sodium hydroxide solution in carry out oil processing 20-30min, takes out deionized water and rinses post-drying well, then it is placed at room temperature corrosion in 1-2g/l Fluohydric acid. 20min, is placed in cleaning in ultrasonic cleaner, then it is standby to obtain microballon through vacuum filtration after taking-up；

(2) hydrochloric acid of tetraethyl orthosilicate, 1/2 dehydrated alcohol, deionized water and 1mol/l is stirred 1-2h at 65 DEG C to mix Close uniformly, obtain silicon dioxide gel, template f127 is extremely dissolved with remaining absolute ethyl alcohol and stirring simultaneously, add itself The silane coupler of weight 0.5-1%, the product after stirring prepared step (1) is added to wherein and ultrasonic disperse is uniform, Again this mixed liquor is added in above-mentioned silicon dioxide gel, 1-2h is stirred at room temperature, stirring is placed in 60 DEG C of baking ovens after terminating Evaporate into dry, be subsequently placed in Muffle furnace and calcine 3-4h in 550-600 DEG C, naturally cool to room temperature；

(3) emulsifying agent op-10, sodium bicarbonate, deionized water and Ludox are added in four-hole boiling flask, water bath with thermostatic control is heated to instead Answer temperature to be 80 DEG C, add 3/5 Ammonium persulfate. and 1/10 butyl acrylate and cinnamic mixture, at the uniform velocity stir to breast Blue light in liquid, and Deca residue mix monomer, it is ensured that dripping off in 3h, is subsequently adding remaining Ammonium persulfate., temperature reaction is extremely 85 DEG C, it is cooled to after isothermal reaction 1-1.5h at 40 DEG C and adjusts ph value to 7-8, standby after natural cooling；

(4) politef is dissolved in n- methyl pyrrolidone according to mass ratio 1-2:9, bath temperature controls at 55-65 DEG C, stirs Mix dissolving and obtain solution, add flexible rubber powder mechanical agitation 0.5-1h, solution is placed in true at 120 DEG C on clean glass plate Sky is dried 8-10h, standby after pulverizing after cooling；

(5) just remaining leftover materials is added to grinding machine for grinding, grinds and uniformly adds step (2), step (3) and step afterwards (4) product prepared, obtains final product after stirring.

The invention has the advantage that the present invention adopts hollow glass micropearl as main filler, it has excellent resistance to compression Intensity is high, fusing point is high, resistivity is high, thermal conductivity coefficient and Thermal Contraction Coefficient little the features such as, and also have obvious loss of weight and sound insulation Heat insulation effect, but the surface-functionalized key being to improve its composite property of hollow glass micropearl, so with Fluohydric acid. pair Its surface corrosion, improves surface area, recycles chemical method to generate order mesoporous silicon dioxide gel and is coated on its surface, enters One step improves its lightweight, fire prevention, the performance such as heat-insulated, improves adhesion in the base, the powder of lacquer putty for use on water suction of cement based simultaneously It is also easy to produce cracking, and most binding agent all has hydrophilic, adopt emulsion polymerization for solving this problem present invention Synthesize Ludox/phenylpropyl alcohol compounded latex, its caking property is high, good waterproof performance, resistance to water is high, can effectively avoid putty to open Split, cement based putty when cure shrinkage because the generation of internal stress becomes the root in crackle, crack, for preventing crackle Produce, the present invention, in the Surface coating one strata tetrafluoroethene of flexible rubber powder, effectively raises compatible, the dispersion with matrix Property, and good anti-crack effect can be played, present invention making is simple, with low cost, metope is not mouldy after making moist becomes mildewed, Do not play drum, do not fall off, do not ftracture, waterproof thermal-insulated performance is good, and application is wide, is worthy to be popularized.

Specific embodiment

A kind of construction wall insulation elastic putty, is made up of the raw material of following weight portion (kilogram): cement 26, hollow Glass microballoon 19, tetraethyl orthosilicate 3.5, dehydrated alcohol 31,1mol/l hydrochloric acid 0.35, template f127 1.6, emulsifying agent op- 10 0.7, sodium bicarbonate 0.4, Ludox 12, Ammonium persulfate. 0.3, quartz sand 6, kieselguhr 6, politef 5, flexible rubber Powder 7, starch alkenyl succinate ester 3, appropriate deionized water.

A kind of described construction wall insulation elastic putty, is made up of following concrete steps:

(1) by hollow glass micropearl be impregnated into 80 DEG C mass concentration be 3g/l sodium hydroxide solution in carry out oil processing 20min, takes out deionized water and rinses post-drying well, then it is placed at room temperature corrosion 20min in 1g/l Fluohydric acid., takes It is placed in cleaning in ultrasonic cleaner after going out, then it is standby to obtain microballon through vacuum filtration；

(2) hydrochloric acid of tetraethyl orthosilicate, 1/2 dehydrated alcohol, deionized water and 1mol/l is stirred 1h mixing at 65 DEG C Uniformly, obtain silicon dioxide gel, template f127 is extremely dissolved with remaining absolute ethyl alcohol and stirring simultaneously, add from heavy sensation of the body The silane coupler of amount 0.5%, the product after stirring prepared step (1) is added to wherein and ultrasonic disperse is uniform, then will This mixed liquor is added in above-mentioned silicon dioxide gel, and 1h is stirred at room temperature, and stirring is placed in 60 DEG C of baking ovens after terminating and evaporates into Dry, it is subsequently placed in Muffle furnace and calcines 3h in 550 DEG C, naturally cool to room temperature；

(3) emulsifying agent op-10, sodium bicarbonate, deionized water and Ludox are added in four-hole boiling flask, water bath with thermostatic control is heated to instead Answer temperature to be 80 DEG C, add 3/5 Ammonium persulfate. and 1/10 butyl acrylate and cinnamic mixture, at the uniform velocity stir to breast Blue light in liquid, and Deca residue mix monomer, it is ensured that dripping off in 3h, is subsequently adding remaining Ammonium persulfate., temperature reaction is extremely 85 DEG C, it is cooled to after isothermal reaction 1h at 40 DEG C and adjusts ph value to 7, standby after natural cooling；

(4) politef is dissolved in n methyl pyrrolidone according to mass ratio 1:9, bath temperature controls at 55 DEG C, stirring and dissolving Obtain solution, add flexible rubber powder mechanical agitation 0.5h, solution is placed in and is vacuum dried at 120 DEG C on clean glass plate 8h, standby after pulverizing after cooling；

(5) just remaining leftover materials is added to grinding machine for grinding, grinds and uniformly adds step (2), step (3) and step afterwards (4) product prepared, obtains final product after stirring.

The heat preservation putty prepared according to embodiment, carries out performance test to it, and result is as follows:

Water absorption (g/min): 0.08；Initial dry cracking resistance (6h): flawless；Resistance to water (96h): without exception；Alkali resistance (48h): without exception.

Claims (2)

1. a kind of construction wall insulation elastic putty is it is characterised in that be made up of the raw material of following weight portion: cement 26- 31st, hollow glass micropearl 19-23, tetraethyl orthosilicate 3.5-5, dehydrated alcohol 31-38,1mol/l hydrochloric acid 0.35-0.5, template Agent f1271.6-2.5, emulsifying agent op-100.7-1, sodium bicarbonate 0.4-0.6, Ludox 12-15, Ammonium persulfate. 0.3-0.5, stone Sand 6-8, kieselguhr 6-7, politef 5-7, flexible rubber powder 7-9, starch alkenyl succinate ester 3-4, deionized water are fitted Amount.

2. according to claim 1 a kind of construction wall insulation elastic putty it is characterised in that being prepared by following concrete steps Make:

(1) by hollow glass micropearl be impregnated into 80 DEG C mass concentration be 3-5g/l sodium hydroxide solution in carry out oil processing 20-30min, takes out deionized water and rinses post-drying well, then it is placed at room temperature corrosion in 1-2g/l Fluohydric acid. 20min, is placed in cleaning in ultrasonic cleaner, then it is standby to obtain microballon through vacuum filtration after taking-up；

(2) hydrochloric acid of tetraethyl orthosilicate, 1/2 dehydrated alcohol, deionized water and 1mol/l is stirred 1-2h at 65 DEG C to mix Close uniformly, obtain silicon dioxide gel, template f127 is extremely dissolved with remaining absolute ethyl alcohol and stirring simultaneously, add itself The silane coupler of weight 0.5-1%, the product after stirring prepared step (1) is added to wherein and ultrasonic disperse is uniform, Again this mixed liquor is added in above-mentioned silicon dioxide gel, 1-2h is stirred at room temperature, stirring is placed in 60 DEG C of baking ovens after terminating Evaporate into dry, be subsequently placed in Muffle furnace and calcine 3-4h in 550-600 DEG C, naturally cool to room temperature；

(3) emulsifying agent op-10, sodium bicarbonate, deionized water and Ludox are added in four-hole boiling flask, water bath with thermostatic control is heated to instead Answer temperature to be 80 DEG C, add 3/5 Ammonium persulfate. and 1/10 butyl acrylate and cinnamic mixture, at the uniform velocity stir to breast Blue light in liquid, and Deca residue mix monomer, it is ensured that dripping off in 3h, is subsequently adding remaining Ammonium persulfate., temperature reaction is extremely 85 DEG C, it is cooled to after isothermal reaction 1-1.5h at 40 DEG C and adjusts ph value to 7-8, standby after natural cooling；

(4) politef is dissolved in n- methyl pyrrolidone according to mass ratio 1-2:9, bath temperature controls at 55-65 DEG C, stirs Mix dissolving and obtain solution, add flexible rubber powder mechanical agitation 0.5-1h, solution is placed in true at 120 DEG C on clean glass plate Sky is dried 8-10h, standby after pulverizing after cooling；

(5) just remaining leftover materials is added to grinding machine for grinding, grinds and uniformly adds step (2), step (3) and step afterwards (4) product prepared, obtains final product after stirring.