CN107010909A - A kind of Self-leveling II type Polymer cement materials - Google Patents
A kind of Self-leveling II type Polymer cement materials Download PDFInfo
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- CN107010909A CN107010909A CN201710373589.3A CN201710373589A CN107010909A CN 107010909 A CN107010909 A CN 107010909A CN 201710373589 A CN201710373589 A CN 201710373589A CN 107010909 A CN107010909 A CN 107010909A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
- C04B2111/62—Self-levelling compositions
Abstract
The present invention provides a kind of Self-leveling II type Polymer cement materials.The mortar includes：Portland cement, compound accelerator for hardening, aggregate, water, polymer, other auxiliary agents, wherein, compound accelerator for hardening is made up of the raw material of following parts by weight：36 parts of quick lime, 25 parts of sodium sulphate, 5 10 parts of aluminate cement.Solve the endurance issues of common gravity flowing levelling mortar long-term waterproof impervious characteristic difference because alumina cement constituent content height is caused, realize the gravity flow flat construction of Polymer cement materials, it can be applied to a variety of construction waterproofing engineerings, such as toilet, kitchen, roofing, swimming pool, underground structure.
Description
Technical field
The invention belongs to waterproof mortar field, more particularly to a kind of Self-leveling II type Polymer cement materials.
Background technology
Current Polymer cement materials still smear form of construction work using numerous and diverse layering batch.This form of construction work is present
Number of drawbacks：Poor flatness, construction quality are difficult to ensure that, long construction period, construction intensity high, efficiency is low.Except this it
Outside, the caking property of mortar surface layer and concrete base layer is poor, and being also easy to produce crack reduces the overall impermeability of structure.
To change traditional construction mode, the improvement of construction technology and construction quality is promoted, it is necessary to draw Self-leveling technology
In the preparation and construction that enter waterproof mortar.However, in order to obtain high-early-strength performance with meet gravity flow flat construction the need for, water
Mud based self-leveling mortar is more using alumina cement as major gelled material, but because the long-term water resistance of alumina cement is poor, into
The main cause for failing to apply in cement-based waterproof mortar for Self-leveling technology.Alumina cement have early strong, fast hard, expansion,
The many merits such as resistant to chemical etching, low temperature hydrated fast, low alkalinity, but the water resistance of its hydrated product is poor, discomfort cooperation
For the major gelled material of waterproof mortar.
The content of the invention
In order to overcome above-mentioned deficiency, the present invention provides a kind of Self-leveling II type Polymer cement materials.Solve common
The endurance issues of gravity flowing levelling mortar long-term waterproof impervious characteristic difference because alumina cement constituent content height is caused, realize polymer
The gravity flow flat construction of cement waterproofing mortar, can be applied to a variety of construction waterproofing engineerings, such as toilet, kitchen, roofing, swimming
Pond, underground structure etc..
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of Self-leveling II type Polymer cement materials, the mortar includes：
Portland cement, compound accelerator for hardening, aggregate, water, polymer, other auxiliary agents,
Wherein, accelerator for hardening is combined to be made up of the raw material of following parts by weight：3-6 parts of quick lime, 2-5 parts of sodium sulphate, aluminate
5-10 parts of cement.
The effect of portland cement is to confer to the water proofing property of mortar in the present invention.
Present invention research is found：With it is general be directly added into calcium sulfate compared with, compounded using quick lime and sodium sulphate, the two
The rush of reaction generation calcium sulfate is solidifying in slurry promotees the calcium sulfate that hard effect is better than being directly added into equivalent.Difference admixture slurry performance
Contrast is as shown in table 5, and it is the 85% of binder total amount to survey silicate cement cement content in slurry.
In addition, in order to ensure Self-leveling effect that waterproof mortar is final, the present invention also adds certain in compound accelerator for hardening
The aluminate cement of amount, in the case where not damaging mortar water proofing property, it is ensured that it coagulates effect soon.
It is preferred that, the portland cement, compound accelerator for hardening, aggregate, the mass ratio of water are 80-85:15-20:80-100:
40-50。
It is preferred that, the polymer is VAE redispersible latex powders, acrylate, polyvinyl alcohol, styrene-propene
It is any in acid esters.
It is preferred that, other described auxiliary agents include：At least one of water reducer, hydrophober, thickener or defoamer.
It is preferred that, the mortar also includes clinker.
It is preferred that, the mortar is made up of the raw material of following parts by weight：
80-85 parts of Portland cement, compound 15-20 parts of accelerator for hardening, 10-15 parts of flyash, polycarboxylate water-reducer powder
0.5-1 parts of agent, organosilicon moisture repellent 0.4-0.8%, 0.2-0.4 parts of hydroxypropyl methyl cellulose ether, VAE redispersible latexes
1-3 parts of powder, 0.2-0.4 parts of defoamer, 80-100 parts of fine quartz sand, 40-50 parts of water.
It is preferred that, the mortar is made up of the raw material of following parts by weight：
80-82.5 parts of Portland cement, compound 15-17.5 parts of accelerator for hardening, 10-12.5 parts of flyash, polycarboxylic acids subtract
0.5-0.75 parts of aqua pulvis, 0.4-0.6 parts of organosilicon moisture repellent, 0.2-0.3 parts of hydroxypropyl methyl cellulose ether, VAE can be again
Dispersed latex powder 1-2 parts, 0.2-0.3 parts of defoamer, 80-90 parts of fine quartz sand, 40-45 parts of water.
It is preferred that, the mortar is made up of the raw material of following parts by weight：
82.5-85 parts of Portland cement, compound 17.5-20 parts of accelerator for hardening, 12.5-15 parts of flyash, polycarboxylic acids subtract
0.75-1 parts of aqua pulvis, 0.6-0.8 parts of organosilicon moisture repellent, 0.3-0.4 parts of hydroxypropyl methyl cellulose ether, VAE can divide again
Dissipate 2-3 parts of property latex powder, 0.3-0.4 parts of defoamer, 90-100 parts of fine quartz sand, 45-50 parts of water.
Present invention also offers the preparation method of any above-mentioned Self-leveling II type Polymer cement materials, including：
Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
Portland cement, compound accelerator for hardening, aggregate, water, polymer, other auxiliary agents are well mixed, produced.
Present invention also offers any above-mentioned Self-leveling II types Polymer cement materials kitchen, toilet,
Under, the application in the gravity flow flat construction of the waterproofing work such as roof, swimming pool.
Beneficial effects of the present invention
(1) present invention is by the compound accelerator for hardening of self-control, and Self-leveling sand can not be prepared slowly by solving portland cement condensation hardening
The key technical problem of slurry, prepares big fluid polymers cement water-proof by major gelled material of portland cement on this basis
Mortar, mortar performance meets cement-based self-leveling mortar and waterproof polymer mortar Industry code requirements simultaneously.Wherein, during condensation
Between, early strength, volume stability, water absorption rate be significantly better than existing product.
(2) fluidised form waterproof mortar is prepared using portland cement as major gelled material, content accounts for binder total amount
More than 80%, it is ensured that the long-term waterproof impervious characteristic of mortar；
(3) make compound accelerator for hardening by oneself, significantly improve using portland cement as the condensation setting rate of main gelling system, final set
Time is foreshortened within 2h；
(4) organosilicon moisture repellent and defoamer are added, the waterproof impervious characteristic of mortar, water absorption rate and impermeability is significantly improved
JCT 984-2011 can be superior to《Polymer cement materials》Requirement to II type waterproof mortars；
(5) mortar performance meets JC/T 985-2007 simultaneously《Cement-based self-leveling mortar》Standard requirement, 0min, 20min
The construction of Polymer cement materials ground self-leveling formula can be achieved up to more than 160mm in fluidity.
(6) preparation method of the present invention is simple, efficiency of construction is high, practical, it is easy to promote.
Embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
In order to ensure the long-term waterproof impervious characteristic of mortar, using portland cement as major gelled material, content is accounted for always
More than the 80% of binder materials；In order to realize the big fluidised form Self-leveling construction of mortar, the compound accelerator for hardening of self-control makes based on silicate
Gelling system obtain quick setting and rapid hardening characteristic, meet gravity flow flat construction needs.Cement-sand ratio, admixture dosage are adjusted, optimizes sand
The volume stability of slurry, water impermeability.
Optimum proportioning is as follows：80-85 parts of Portland cement, is combined 15-20 parts of accelerator for hardening, and 10-15 parts of flyash gathers
0.5-1 parts of carboxylic acid water reducer pulvis, organosilicon moisture repellent 0.4-0.8%, 0.2-0.4 parts of hydroxypropyl methyl cellulose ether, VAE can
1-3 parts of redispersibility latex powder, 0.2-0.4 parts of defoamer, 80-100 parts of fine quartz sand, 40-50 parts of water.
Compound accelerator for hardening composition：3-6 parts of quick lime, 2-5 parts of sodium sulphate, 5-10 parts of aluminate cement.
Construction technology：Different from existing Polymer cement materials and common ground gravity flowing levelling mortar, achievable kitchen,
The gravity flow flat construction of the waterproofing work Polymer cement materials such as toilet, underground, roof, swimming pool, concrete operation step
With common ground gravity flowing levelling mortar, construction thickness is 4-6mm.
Embodiment 1
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：85 parts of Portland cement, is combined and promotees hard
15 parts of agent, 12 parts of flyash, 0.8 part of polycarboxylate water-reducer pulvis, 0.6 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether
0.3 part, 2 parts of VAE redispersible latex powders, 0.3 part of defoamer, 90 parts of fine quartz sand, 45 parts of water.
Wherein, it is combined accelerator for hardening composition：5 parts of quick lime, 4 parts of sodium sulphate, 6 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, VAE redispersible latex powders, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.Size changing rate adopts by reference JGJ 70《Building mortar method for testing performance》, the 24h using after shaping is as first
Beginning length, determines its 28d size changing rate.Compression strength employs GB/T 17671《Strength of cement mortar detection method
(ISO methods) (idt ISO 679:1989)》, testing result is as shown in table 1.
Table 1
Embodiment 2
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：80 parts of Portland cement, is combined and promotees hard
15 parts of agent, 10 parts of flyash, 0.5 part of polycarboxylate water-reducer pulvis, 0.4 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether
0.2 part, 1 part of VAE redispersible latex powders, 0.2 part of defoamer, 80 parts of fine quartz sand, 40 parts of water.
Wherein, it is combined accelerator for hardening composition：3 parts of quick lime, 2 parts of sodium sulphate, 5 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, VAE redispersible latex powders, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.
Embodiment 3
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：85 parts of Portland cement, is combined and promotees hard
20 parts of agent, 15 parts of flyash, 1 part of polycarboxylate water-reducer pulvis, 0.8 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether 0.4
Part, 3 parts of VAE redispersible latex powders, 0.4 part of defoamer, 100 parts of fine quartz sand, 50 parts of water.
Wherein, it is combined accelerator for hardening composition：6 parts of quick lime, 5 parts of sodium sulphate, 10 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, VAE redispersible latex powders, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.
Embodiment 4
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：82 parts of Portland cement, is combined and promotees hard
17 parts of agent, 12 parts of flyash, 0.8 part of polycarboxylate water-reducer pulvis, 0.6 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether
0.3 part, 2 parts of acrylate, 0.3 part of defoamer, 90 parts of fine quartz sand, 45 parts of water.
Wherein, it is combined accelerator for hardening composition：5 parts of quick lime, 4 parts of sodium sulphate, 8 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, acrylate, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.Size changing rate adopts by reference JGJ 70《Building mortar method for testing performance》, the 24h using after shaping is as first
Beginning length, determines its 28d size changing rate.Compression strength employs GB/T 17671《Strength of cement mortar detection method
(ISO methods) (idt ISO 679:1989)》, testing result is as shown in table 2.
Table 2
Embodiment 5
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：80 parts of Portland cement, is combined and promotees hard
15 parts of agent, 10 parts of flyash, 0.5 part of polycarboxylate water-reducer pulvis, 0.4 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether
0.2 part, 1 part of acrylate, 0.2 part of defoamer, 80 parts of fine quartz sand, 40 parts of water.
Wherein, it is combined accelerator for hardening composition：3 parts of quick lime, 2 parts of sodium sulphate, 5 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, acrylate, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.
Embodiment 6
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：85 parts of Portland cement, is combined and promotees hard
20 parts of agent, 15 parts of flyash, 1 part of polycarboxylate water-reducer pulvis, 0.8 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether 0.4
Part, 3 parts of acrylate, 0.4 part of defoamer, 100 parts of fine quartz sand, 50 parts of water.
Wherein, it is combined accelerator for hardening composition：6 parts of quick lime, 5 parts of sodium sulphate, 10 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, acrylate, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.
Embodiment 7
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：82 parts of Portland cement, is combined and promotees hard
17 parts of agent, 12 parts of flyash, 0.8 part of polycarboxylate water-reducer pulvis, 0.6 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether
0.3 part, 2 parts of polyvinyl alcohol, 0.3 part of defoamer, 90 parts of fine quartz sand, 45 parts of water.
Wherein, it is combined accelerator for hardening composition：5 parts of quick lime, 4 parts of sodium sulphate, 8 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, polyvinyl alcohol, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.Size changing rate adopts by reference JGJ 70《Building mortar method for testing performance》, the 24h using after shaping is as first
Beginning length, determines its 28d size changing rate.Compression strength employs GB/T 17671《Strength of cement mortar detection method
(ISO methods) (idt ISO 679:1989)》, testing result is as shown in table 3.
Table 3
Embodiment 8
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：80 parts of Portland cement, is combined and promotees hard
15 parts of agent, 10 parts of flyash, 0.5 part of polycarboxylate water-reducer pulvis, 0.4 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether
0.2 part, 1 part of polyvinyl alcohol, 0.2 part of defoamer, 80 parts of fine quartz sand, 40 parts of water.
Wherein, it is combined accelerator for hardening composition：3 parts of quick lime, 2 parts of sodium sulphate, 5 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, polyvinyl alcohol, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.
Embodiment 9
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：85 parts of Portland cement, is combined and promotees hard
20 parts of agent, 15 parts of flyash, 1 part of polycarboxylate water-reducer pulvis, 0.8 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether 0.4
Part, 3 parts of polyvinyl alcohol, 0.4 part of defoamer, 100 parts of fine quartz sand, 50 parts of water.
Wherein, it is combined accelerator for hardening composition：6 parts of quick lime, 5 parts of sodium sulphate, 10 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, polyvinyl alcohol, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.
Embodiment 10
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：82 parts of Portland cement, is combined and promotees hard
17 parts of agent, 12 parts of flyash, 0.8 part of polycarboxylate water-reducer pulvis, 0.6 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether
0.3 part, 2 parts of cinnamic acrylic ester, 0.3 part of defoamer, 90 parts of fine quartz sand, 45 parts of water.
Wherein, it is combined accelerator for hardening composition：5 parts of quick lime, 4 parts of sodium sulphate, 8 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, cinnamic acrylic ester, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.Size changing rate adopts by reference JGJ 70《Building mortar method for testing performance》, the 24h using after shaping is as first
Beginning length, determines its 28d size changing rate.Compression strength employs GB/T 17671《Strength of cement mortar detection method
(ISO methods) (idt ISO 679:1989)》, testing result is as shown in table 4.
Table 4
Embodiment 11
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：80 parts of Portland cement, is combined and promotees hard
15 parts of agent, 10 parts of flyash, 0.5 part of polycarboxylate water-reducer pulvis, 0.4 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether
0.2 part, 1 part of cinnamic acrylic ester, 0.2 part of defoamer, 80 parts of fine quartz sand, 40 parts of water.
Wherein, it is combined accelerator for hardening composition：3 parts of quick lime, 2 parts of sodium sulphate, 5 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, cinnamic acrylic ester, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.
Embodiment 12
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：85 parts of Portland cement, is combined and promotees hard
20 parts of agent, 15 parts of flyash, 1 part of polycarboxylate water-reducer pulvis, 0.8 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether 0.4
Part, 3 parts of cinnamic acrylic ester, 0.4 part of defoamer, 100 parts of fine quartz sand, 50 parts of water.
Wherein, it is combined accelerator for hardening composition：6 parts of quick lime, 5 parts of sodium sulphate, 10 parts of aluminate cement.
Preparation method：Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, cinnamic acrylic ester, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.
Comparative example 1
A kind of Self-leveling II type Polymer cement materials, are formulated as follows：85 parts of Portland cement, is combined and promotees hard
15 parts of agent, 12 parts of flyash, 0.8 part of polycarboxylate water-reducer pulvis, 0.6 part of organosilicon moisture repellent, hydroxypropyl methyl cellulose ether
0.3 part, 2 parts of VAE redispersible latex powders, 0.3 part of defoamer, 90 parts of fine quartz sand, 45 parts of water.
Wherein, it is combined accelerator for hardening composition：9 parts of dead plaster, 6 parts of aluminate cement.
Preparation method：Calcium sulfate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
By portland cement, compound accelerator for hardening, flyash, polycarboxylate water-reducer pulvis, organosilicon moisture repellent, hydroxypropyl first
Base cellulose ether, VAE redispersible latex powders, defoamer, fine quartz sand, water are well mixed, and are produced.
By obtained mortar according to JC/T985-2007《Cement-based self-leveling mortar》Professional standard is constructed, construction
Thickness is 4-6mm.Size changing rate adopts by reference JGJ 70《Building mortar method for testing performance》, the 24h using after shaping is as first
Beginning length, determines its 28d size changing rate.Compression strength employs GB/T 17671《Strength of cement mortar detection method
(ISO methods) (idt ISO 679:1989)》, testing result is as shown in table 5.
Table 5
| Performance | Presetting period/min | Final setting time/min | 6h compression strength/MPa | 24h compression strength/MPa |
| Embodiment 1 | 51 | 80 | 6.26 | 13.31 |
| Comparative example 1 | 88 | 220 | 2.12 | 10.25 |
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of Self-leveling II type Polymer cement materials, it is characterised in that the mortar includes：
Portland cement, compound accelerator for hardening, aggregate, water, polymer, other auxiliary agents,
Wherein, accelerator for hardening is combined to be made up of the raw material of following parts by weight：3-6 parts of quick lime, 2-5 parts of sodium sulphate, aluminate cement
5-10 parts.
2. mortar as claimed in claim 1, it is characterised in that the portland cement, compound accelerator for hardening, aggregate, the matter of water
Amount is than being 80-85:15-20:80-100:40-50.
3. mortar as claimed in claim 1, it is characterised in that the polymer is VAE redispersible latex powders, acrylic acid
It is any in ester, polyvinyl alcohol, cinnamic acrylic ester.
4. mortar as claimed in claim 1, it is characterised in that other described auxiliary agents include：Water reducer, hydrophober, thickener
At least one of or defoamer.
5. mortar as claimed in claim 1, it is characterised in that the mortar also includes clinker.
6. mortar as claimed in claim 1, it is characterised in that the mortar is made up of the raw material of following parts by weight：
80-85 parts of Portland cement, compound 15-20 parts of accelerator for hardening, 10-15 parts of flyash, polycarboxylate water-reducer pulvis
0.5-1 parts, organosilicon moisture repellent 0.4-0.8%, 0.2-0.4 parts of hydroxypropyl methyl cellulose ether, VAE redispersible latex powders
1-3 parts, 0.2-0.4 parts of defoamer, 80-100 parts of fine quartz sand, 40-50 parts of water.
7. mortar as claimed in claim 6, it is characterised in that the mortar is made up of the raw material of following parts by weight：
80-82.5 parts of Portland cement, compound 15-17.5 parts of accelerator for hardening, 10-12.5 parts of flyash, polycarboxylate water-reducer
0.5-0.75 parts of pulvis, 0.4-0.6 parts of organosilicon moisture repellent, 0.2-0.3 parts of hydroxypropyl methyl cellulose ether, VAE are redispersible
1-2 parts of latex powder of property, 0.2-0.3 parts of defoamer, 80-90 parts of fine quartz sand, 40-45 parts of water.
8. mortar as claimed in claim 6, it is characterised in that the mortar is made up of the raw material of following parts by weight：
82.5-85 parts of Portland cement, compound 17.5-20 parts of accelerator for hardening, 12.5-15 parts of flyash, polycarboxylate water-reducer
0.75-1 parts of pulvis, 0.6-0.8 parts of organosilicon moisture repellent, 0.3-0.4 parts of hydroxypropyl methyl cellulose ether, VAE redispersibles
2-3 parts of latex powder, 0.3-0.4 parts of defoamer, 90-100 parts of fine quartz sand, 45-50 parts of water.
9. the preparation method of any one of the claim 1-8 Self-leveling II type Polymer cement materials, it is characterised in that
Including：
Quick lime, sodium sulphate, aluminate cement are well mixed, compound accelerator for hardening is obtained；
Portland cement, compound accelerator for hardening, aggregate, water, polymer, other auxiliary agents are well mixed, produced.
10. Self-leveling II types Polymer cement materials described in claim any one of 1-8 kitchen, toilet, underground,
Application in the gravity flow flat construction of the waterproofing works such as roof, swimming pool.
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| CN109574591A (en) * | 2018-12-21 | 2019-04-05 | 科顺防水科技股份有限公司 | A kind of leveling mortar with water-proof function |
| CN110590281A (en) * | 2019-09-25 | 2019-12-20 | 湖州乌米科技有限公司 | Concrete suitable for underground engineering |
| CN111517744A (en) * | 2020-06-04 | 2020-08-11 | 广东复特新型材料科技有限公司 | 3D printing mortar |
| CN111574171A (en) * | 2020-04-09 | 2020-08-25 | 张家港弗克新型建材有限公司 | Waterproof self-leveling mortar for surface layer and preparation method thereof |
| EP3932888A1 (en) * | 2020-07-01 | 2022-01-05 | Saint-Gobain Weber France | Self-levelling watertight flooring compound |
| ES2923823A1 (en) * | 2021-02-08 | 2022-09-30 | S A Sulquisa | Solid additive to enhance the mechanical resistance of cement pastes, mortars or concrete with high contents of "SCMs" (Machine-translation by Google Translate, not legally binding) |
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| CN109574591A (en) * | 2018-12-21 | 2019-04-05 | 科顺防水科技股份有限公司 | A kind of leveling mortar with water-proof function |
| CN109574591B (en) * | 2018-12-21 | 2021-10-26 | 科顺防水科技股份有限公司 | Leveling mortar with waterproof function |
| CN110590281A (en) * | 2019-09-25 | 2019-12-20 | 湖州乌米科技有限公司 | Concrete suitable for underground engineering |
| CN111574171A (en) * | 2020-04-09 | 2020-08-25 | 张家港弗克新型建材有限公司 | Waterproof self-leveling mortar for surface layer and preparation method thereof |
| CN111517744A (en) * | 2020-06-04 | 2020-08-11 | 广东复特新型材料科技有限公司 | 3D printing mortar |
| CN111517744B (en) * | 2020-06-04 | 2022-03-11 | 广东复特新型材料科技有限公司 | 3D printing mortar |
| EP3932888A1 (en) * | 2020-07-01 | 2022-01-05 | Saint-Gobain Weber France | Self-levelling watertight flooring compound |
| WO2022003044A1 (en) * | 2020-07-01 | 2022-01-06 | Saint-Gobain Weber France | Self-levelling watertight flooring compound |
| ES2923823A1 (en) * | 2021-02-08 | 2022-09-30 | S A Sulquisa | Solid additive to enhance the mechanical resistance of cement pastes, mortars or concrete with high contents of "SCMs" (Machine-translation by Google Translate, not legally binding) |
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