CN105330213A - Waterproof and heat preservation mortar containing polyacrylamide - Google Patents

Abstract

The invention discloses waterproof and heat preservation mortar containing polyacrylamide. The waterproof and heat preservation mortar is prepared from, by weight, 8-12 parts of envelope slag, 20-30 parts of cement, 2-4 parts of Arabic gum, 4-8 parts of coal ash, 5-8 parts of glass beads, 2-4 parts of zinc borate, 4-7 parts of magnesium aluminate spinel powder, 1-3 parts of alum stone powder, 4-5 parts of ground calcium carbonate powder, 0.4-0.8 part of sodium tetraborate, 1.5-2.5 parts of cellulose acetate, 2-4 parts of sawdust, 0.7-1.5 parts of humic acid, 1-3 parts of polyacrylamide, 1-2 parts of monobutyltin oxide and an appropriate amount of water.

Description

A kind of waterproof thermal insulation mortar containing polyacrylamide

Technical field

The present invention relates to thermal insulation mortar technical field, particularly relate to a kind of waterproof thermal insulation mortar containing polyacrylamide.

Background technology

The anticracking grout of thermal insulation mortar and corresponding system thereof, be adapted to the Steel Concrete of multilayer structure, gas concrete, lay bricks, the Surgery therapy plastering engineering of the body of wall such as vitrified brick and no-firing brick and inside holding plastering engineering, the insulation improvement project for current all kinds of old building is also very applicable.

Benzene emulsion is obtained through emulsion copolymerization by vinylbenzene and acrylate monomer, is milky white liquid, band blue light, solids content 40-45%, viscosity 80-1500mPas, level of residual monomers 0.5%, pH value 8-9.Benzene emulsion sticking power is good, and glued membrane is transparent, and water-fast, oil resistant, heat-resisting, ageing-resistant performance is good.

Polyacrylamide classification polyacrylamide Products: polyacrylamide (PAM) is high molecular weight water soluble polymer, be insoluble to most of organic solvent, there is good flocculence, the friction resistance between liquid can be reduced, divide by ion characteristic and can be divided into nonionic, negatively charged ion, positively charged ion and amphoteric Four types.。

Summary of the invention

The object of the invention is exactly the defect in order to make up prior art, provides a kind of waterproof thermal insulation mortar containing polyacrylamide.

The present invention is achieved by the following technical solutions:

A waterproof thermal insulation mortar containing polyacrylamide, it is obtained by the raw material of following weight parts:

Coating slag 8-12, cement 20-30, gum arabic 2-4, coal ash 4-8, glass bead 5-8, zinc borate 2-4, magnesium aluminium spinel powder 4-7, alum stone flour 1-3, dicalcium powder 4-5, sodium tetraborate 0.4-0.8, cellulose acetate 1.5-2.5, wood sawdust 2-4, humic acid 0.7-1.5, polyacrylamide 1-3, Mono-n-butyltin 1-2, water are appropriate;

Coating slag is obtained by the raw material of following weight parts:

Blast-furnace slag 20-30, Sodium hexametaphosphate 99 1-2, methacrylic acid 0.3-0.5, vinylformic acid 0.1-0.4, acrylamide 1-2, nano-calcium carbonate 1-3, benzene emulsion 5-9, Ben-zylphenol Polyoxyethyl Ether 1.5-3.8, glycerin fatty acid ester 1.3-1.6, water is appropriate;

The preparation method of coating slag is:

(1) blast-furnace slag is soak 10-12 hour in the hydrochloric acid of 5-7% in concentration, filters, and dries, and grinding is crossed 100-200 mesh sieve, obtained Treated By Modified Slag powder for subsequent use;

(2), after Sodium hexametaphosphate 99, methacrylic acid, vinylformic acid, acrylamide mixing, add suitable quantity of water, stir, then add benzene emulsion, Ben-zylphenol Polyoxyethyl Ether, be warming up to 50-60 DEG C, stir under 200-100rpm, obtain compositional liquor for subsequent use;

(3) suitable quantity of water diluting modification slag powders is the slurry of concentration 20-50wt%, add glycerin fatty acid ester in the slurry, pH is adjusted to be 8-10 with inorganic alkali solution, 70-90 DEG C is warmed up to after high speed dispersion 30-60min, adjust pH is 6-7, then adds compositional liquor and all the other raw materials, stirs, dry, to obtain final product.

Described a kind of waterproof thermal insulation mortar containing polyacrylamide,

Preparation method comprises the following steps:

(1) by dicalcium powder, sodium tetraborate, cellulose acetate, wood sawdust, humic acid, polyacrylamide, Mono-n-butyltin mixing, add suitable quantity of water and be made into compound size, for subsequent use;

(2) wood sawdust concentration is behind salt acid soak 1-2 days of 1-3%, takes out, deionized water wash, and dry, abrasive dust, obtains wood dust;

(3), after compound size, wood dust and all the other raw material blendings stir, to obtain final product.

Advantage of the present invention is:

(1) thermal insulation mortar of the present invention has excellent water tolerance, water-repellancy, impermeability, heat insulation property, chemical resistance and weathering resistance, the insulation of building inside and outside wall, waterproofing work can be widely used in; Add wood sawdust, rationally can also sound insulation noise reduction while insulation, turn waste into wealth;

(2) the present invention adds polyacrylamide, gum arabic, rationally composite by with all the other raw materials, and to making, this thermal insulation mortar water resistance is more excellent;

(3) first the present invention carries out modification with acid to slag, through modified, the micropore of slag increases, specific surface area increases, both an easy construction had been had again by coating mortar, while strong adhesion, heat insulation effect strengthens, and not easily opens drum, to come off and can effective waterproof fireproofing, have anti-pressure ability simultaneously after construction terminates.。

Embodiment

A waterproof thermal insulation mortar containing polyacrylamide, it is obtained by the raw material of following weight parts:

Coating slag 8, cement 20, gum arabic 2, coal ash 4, glass bead 5, zinc borate 2, magnesium aluminium spinel powder 4, alum stone flour 1, dicalcium powder 4, sodium tetraborate 0.4, cellulose acetate 1.5, wood sawdust 2, humic acid 0.7, polyacrylamide 1, Mono-n-butyltin 1, water are appropriate;

Coating slag is obtained by the raw material of following weight parts:

Blast-furnace slag 20, Sodium hexametaphosphate 99 1, methacrylic acid 0.3, vinylformic acid 0.1, acrylamide 1, nano-calcium carbonate 1, benzene emulsion 5, Ben-zylphenol Polyoxyethyl Ether 1.5, glycerin fatty acid ester 1.3, water is appropriate;

The preparation method of coating slag is:

(1) blast-furnace slag is soak 10 hours in the hydrochloric acid of 5% in concentration, filters, dries, grinding, cross 100 mesh sieves, obtain Treated By Modified Slag powder for subsequent use;

(2), after Sodium hexametaphosphate 99, methacrylic acid, vinylformic acid, acrylamide mixing, add suitable quantity of water, stir, then add benzene emulsion, Ben-zylphenol Polyoxyethyl Ether, be warming up to 50 DEG C, stir under 200rpm, obtain compositional liquor for subsequent use;

(3) suitable quantity of water diluting modification slag powders is the slurry of concentration 20wt%, adds glycerin fatty acid ester in the slurry, adjusts pH to be 8 with inorganic alkali solution, be warmed up to 70 DEG C after high speed dispersion 30min, adjust pH is 6, then adds compositional liquor and all the other raw materials, stir, dry, to obtain final product.

Described a kind of waterproof thermal insulation mortar containing polyacrylamide,

Preparation method comprises the following steps:

(1) by dicalcium powder, sodium tetraborate, cellulose acetate, wood sawdust, humic acid, polyacrylamide, Mono-n-butyltin mixing, add suitable quantity of water and be made into compound size, for subsequent use;

(2) wood sawdust concentration is the salt acid soak of 1% after 1 day, takes out, deionized water wash, and dry, abrasive dust, obtains wood dust;

(3), after compound size, wood dust and all the other raw material blendings stir, to obtain final product.

The present embodiment is applied in concrete wall surface, operable time is 2h, substantially be combined with concrete wall surface, testing its thermal conductivity is 0.071W/ (mK), under normal curing in 28 days, tensile bond strength is 0.73MPa, steeping seven days tensile bond strengths in water under normal curing in 28 days is 0.63MPa, ultimate compression strength 4.7MPa.

Claims (2)

1. the waterproof thermal insulation mortar containing polyacrylamide, is characterized in that: it is obtained by the raw material of following weight parts:

Coating slag 8-12, cement 20-30, gum arabic 2-4, coal ash 4-8, glass bead 5-8, zinc borate 2-4, magnesium aluminium spinel powder 4-7, alum stone flour 1-3, dicalcium powder 4-5, sodium tetraborate 0.4-0.8, cellulose acetate 1.5-2.5, wood sawdust 2-4, humic acid 0.7-1.5, polyacrylamide 1-3, Mono-n-butyltin 1-2, water are appropriate;

Coating slag is obtained by the raw material of following weight parts:

Blast-furnace slag 20-30, Sodium hexametaphosphate 99 1-2, methacrylic acid 0.3-0.5, vinylformic acid 0.1-0.4, acrylamide 1-2, nano-calcium carbonate 1-3, benzene emulsion 5-9, Ben-zylphenol Polyoxyethyl Ether 1.5-3.8, glycerin fatty acid ester 1.3-1.6, water is appropriate;

The preparation method of coating slag is:

(1) blast-furnace slag is soak 10-12 hour in the hydrochloric acid of 5-7% in concentration, filters, and dries, and grinding is crossed 100-200 mesh sieve, obtained Treated By Modified Slag powder for subsequent use;

(2), after Sodium hexametaphosphate 99, methacrylic acid, vinylformic acid, acrylamide mixing, add suitable quantity of water, stir, then add benzene emulsion, Ben-zylphenol Polyoxyethyl Ether, be warming up to 50-60 DEG C, stir under 200-100rpm, obtain compositional liquor for subsequent use;

(3) suitable quantity of water diluting modification slag powders is the slurry of concentration 20-50wt%, add glycerin fatty acid ester in the slurry, pH is adjusted to be 8-10 with inorganic alkali solution, 70-90 DEG C is warmed up to after high speed dispersion 30-60min, adjust pH is 6-7, then adds compositional liquor and all the other raw materials, stirs, dry, to obtain final product.

2. a kind of waterproof thermal insulation mortar containing polyacrylamide according to claim 1, is characterized in that:

Preparation method comprises the following steps:

(1) by dicalcium powder, sodium tetraborate, cellulose acetate, wood sawdust, humic acid, polyacrylamide, Mono-n-butyltin mixing, add suitable quantity of water and be made into compound size, for subsequent use;

(2) wood sawdust concentration is behind salt acid soak 1-2 days of 1-3%, takes out, deionized water wash, and dry, abrasive dust, obtains wood dust;

(3), after compound size, wood dust and all the other raw material blendings stir, to obtain final product.