CN104496298A - Dry-mixed wear-resistant floor mortar, and preparation method thereof - Google Patents

Dry-mixed wear-resistant floor mortar, and preparation method thereof Download PDF

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Publication number
CN104496298A
CN104496298A CN201410681301.5A CN201410681301A CN104496298A CN 104496298 A CN104496298 A CN 104496298A CN 201410681301 A CN201410681301 A CN 201410681301A CN 104496298 A CN104496298 A CN 104496298A
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China
Prior art keywords
weight
abrasion
dry mixed
consumption
vinylbenzene
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CN201410681301.5A
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Chinese (zh)
Inventor
强晓震
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People's Science And Technology Building Materials Co Ltd In Wuhu
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People's Science And Technology Building Materials Co Ltd In Wuhu
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Priority to CN201410681301.5A priority Critical patent/CN104496298A/en
Publication of CN104496298A publication Critical patent/CN104496298A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses a dry-mixed wear-resistant floor mortar, and a preparation method thereof. The dry-mixed wear-resistant floor mortar comprises, by weight, 100 parts of sand river, 15 to 25 parts of cement, 10 to 15 parts of fly ash, 5 to 8 parts of steel slag, 3 to 6 parts of hydroxyethyl cellulose, 4 to 7 parts of a styrene-vinyl acetate copolymer, 0.3 to 0.5 part of a water reducer, 0.5 to 0.8 part of an early strength agent, and 1 to 3 parts of calcium nitrite. The dry-mixed wear-resistant floor mortar is excellent in compressive strength, rupture strength, and wear resistance.

Description

Be dry mixed abrasion-proof terrace mortar and preparation method thereof
Technical field
The present invention relates to mortar, particularly, relate to one and be dry mixed abrasion-proof terrace mortar and preparation method thereof.
Background technology
Dry-mixed mortar, be building materials field emerging be dry mixed one of material, with cement be the fine aggregate of main agglutinate and dry sieve divisional processing, the mixture that mixes by a certain percentage of mineral admixture, reinforcement material and admixture.Dry-mixed mortar has the advantages that to be convenient to transport and store, but dry-mixed mortar is when using as terrace mortar, and it is anti-wear lower, thus limit the application of dry-mixed mortar.
Summary of the invention
The object of this invention is to provide one and be dry mixed abrasion-proof terrace mortar, this is dry mixed abrasion-proof terrace mortar and has excellent ultimate compression strength, folding strength and wear resistance.
To achieve these goals, the invention provides one and be dry mixed abrasion-proof terrace mortar, described in be dry mixed abrasion-proof terrace mortar and contain cement, flyash, slag, river sand, Natvosol, vinylbenzene-acetate ethylene copolymer, water reducer, hardening accelerator and calcium nitrite; Relative to the river sand of 100 weight parts, the content of described cement is 15-25 weight part, the content of described flyash is 10-15 weight part, the content of described slag is 5-8 weight part, the content of described Natvosol is 3-6 weight part, and the content of described vinylbenzene-acetate ethylene copolymer is 4-7 weight part, and the content of described water reducer is 0.3-0.5 weight part, the content of described hardening accelerator is 0.5-0.8 weight part, and the content of described calcium nitrite is 1-3 weight part.
Present invention also offers a kind of preparation method being dry mixed abrasion-proof terrace mortar, described method is: cement, flyash, slag, river sand, Natvosol, vinylbenzene-acetate ethylene copolymer, water reducer, hardening accelerator and calcium nitrite are mixed; Relative to the river sand of 100 weight parts, the consumption of described cement is 15-25 weight part, the consumption of described flyash is 10-15 weight part, the consumption of described slag is 5-8 weight part, the consumption of described Natvosol is 3-6 weight part, and the consumption of described vinylbenzene-acetate ethylene copolymer is 4-7 weight part, and the consumption of described water reducer is 0.3-0.5 weight part, the consumption of described hardening accelerator is 0.5-0.8 weight part, and the consumption of described calcium nitrite is 1-3 weight part.
Pass through technique scheme, the abrasion-proof terrace mortar that is dry mixed provided by the invention makes this be dry mixed abrasion-proof terrace mortar by the synergy of each material can to use in cold environment, even if use temperature is low to moderate-15 DEG C, this is dry mixed the situation also not occurring after abrasion-proof terrace mortar uses ftractureing and peeling off.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides one and be dry mixed abrasion-proof terrace mortar, described in be dry mixed abrasion-proof terrace mortar and contain cement, flyash, slag, river sand, Natvosol, vinylbenzene-acetate ethylene copolymer, water reducer, hardening accelerator and calcium nitrite; Relative to the river sand of 100 weight parts, the content of described cement is 15-25 weight part, the content of described flyash is 10-15 weight part, the content of described slag is 5-8 weight part, the content of described Natvosol is 3-6 weight part, and the content of described vinylbenzene-acetate ethylene copolymer is 4-7 weight part, and the content of described water reducer is 0.3-0.5 weight part, the content of described hardening accelerator is 0.5-0.8 weight part, and the content of described calcium nitrite is 1-3 weight part.
In the present invention, slag can be selected in wide scope, but has more excellent ultimate compression strength, folding strength and fastness to rubbing ratio to make to be dry mixed abrasion-proof terrace mortar, and preferably, the particle diameter of described slag is not more than 4 μm.
In the present invention, described vinylbenzene-acetate ethylene copolymer can be selected in wide scope, but in order to make to be dry mixed abrasion-proof terrace mortar, there is more excellent ultimate compression strength, folding strength and fastness to rubbing ratio, described vinylbenzene-acetate ethylene copolymer meets the following conditions: the mol ratio of vinylbenzene and vinyl acetate between to for plastic is 1:2-2.5, and weight-average molecular weight is 30,000-8 ten thousand.
In the present invention, the concrete kind of water reducer can be selected in wide scope, but have more excellent ultimate compression strength, folding strength and fastness to rubbing ratio to make to be dry mixed abrasion-proof terrace mortar, preferably, described water reducer is selected from calcium lignin sulphonate and/or sodium lignosulfonate.
In the present invention, the concrete kind of hardening accelerator can be selected in wide scope, but in order to make to be dry mixed abrasion-proof terrace mortar, there is more excellent ultimate compression strength, folding strength and fastness to rubbing ratio, preferably, described hardening accelerator is selected from one or more in sodium sulfate, Sulfothiorine, Tai-Ace S 150 and aluminum potassium sulfate.
Present invention also offers a kind of preparation method being dry mixed abrasion-proof terrace mortar, described method is: cement, flyash, slag, river sand, Natvosol, vinylbenzene-acetate ethylene copolymer, water reducer, hardening accelerator and calcium nitrite are mixed; Relative to the river sand of 100 weight parts, the consumption of described cement is 15-25 weight part, the consumption of described flyash is 10-15 weight part, the consumption of described slag is 5-8 weight part, the consumption of described Natvosol is 3-6 weight part, and the consumption of described vinylbenzene-acetate ethylene copolymer is 4-7 weight part, and the consumption of described water reducer is 0.3-0.5 weight part, the consumption of described hardening accelerator is 0.5-0.8 weight part, and the consumption of described calcium nitrite is 1-3 weight part.
In the present invention, slag can be selected in wide scope, but has more excellent ultimate compression strength, folding strength and fastness to rubbing ratio to make to be dry mixed abrasion-proof terrace mortar, and preferably, the particle diameter of described slag is not more than 4 μm.
In the present invention, described vinylbenzene-acetate ethylene copolymer can be selected in wide scope, but in order to make to be dry mixed abrasion-proof terrace mortar, there is more excellent ultimate compression strength, folding strength and fastness to rubbing ratio, described vinylbenzene-acetate ethylene copolymer meets the following conditions: the mol ratio of vinylbenzene and vinyl acetate between to for plastic is 1:2-2.5, and weight-average molecular weight is 30,000-8 ten thousand.
In the present invention, the concrete kind of water reducer can be selected in wide scope, but have more excellent ultimate compression strength, folding strength and fastness to rubbing ratio to make to be dry mixed abrasion-proof terrace mortar, preferably, described water reducer is selected from calcium lignin sulphonate and/or sodium lignosulfonate.
In the present invention, the concrete kind of hardening accelerator can be selected in wide scope, but in order to make to be dry mixed abrasion-proof terrace mortar, there is more excellent ultimate compression strength, folding strength and fastness to rubbing ratio, preferably, described hardening accelerator is selected from one or more in sodium sulfate, Sulfothiorine, Tai-Ace S 150 and aluminum potassium sulfate.
In the present invention, the actual conditions of mixing can be selected in wide scope, but in order to make to be dry mixed abrasion-proof terrace mortar, there is more excellent ultimate compression strength, folding strength and fastness to rubbing ratio, preferably, described mixing meets the following conditions: mixing time is 20-40min, and mixing temperature is 15-35 DEG C.
Below will be described the present invention by embodiment.In following examples, ultimate compression strength, folding strength and fastness to rubbing are recorded by the method in JG/T230-2007 than parameter; In the present invention, spent material is conventional commercial product.
Embodiment 1
At 25 DEG C, be dry mixed abrasion-proof terrace mortar A1 by obtained to river sand 100kg, cement 20kg, flyash 13kg, slag 7kg, Natvosol 4kg, vinylbenzene-acetate ethylene copolymer 6kg, calcium lignin sulphonate 0.4kg, sodium sulfate 0.7kg and calcium nitrite 2kg mixing 30min.Wherein, the particle diameter of slag is 4 μm.
This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Embodiment 2
At 15 DEG C, be dry mixed abrasion-proof terrace mortar A2 by obtained to river sand 100kg, cement 15kg, flyash 10kg, slag 5kg, Natvosol 3kg, vinylbenzene-acetate ethylene copolymer 4kg, calcium lignin sulphonate 0.3kg, sodium sulfate 0.5kg and calcium nitrite 1kg mixing 20min.Wherein, the particle diameter of slag is 2 μm.
This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Embodiment 3
At 35 DEG C, be dry mixed abrasion-proof terrace mortar A3 by obtained to river sand 100kg, cement 25kg, flyash 15kg, slag 8kg, Natvosol 6kg, vinylbenzene-acetate ethylene copolymer 7kg, calcium lignin sulphonate 0.5kg, sodium sulfate 0.8kg and calcium nitrite 3kg mixing 40min.Wherein, the particle diameter of slag is 1 μm.
This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Embodiment 4
Carry out obtaining according to the method for embodiment 1 and be dry mixed abrasion-proof terrace mortar A4, unlike, calcium lignin sulphonate is changed to sodium lignosulfonate.This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Embodiment 5
Carry out obtaining according to the method for embodiment 1 and be dry mixed abrasion-proof terrace mortar A5, unlike, sodium sulfate is changed to Sulfothiorine.This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Comparative example 1
Carry out obtaining according to the method for embodiment 1 and be dry mixed abrasion-proof terrace mortar B1, unlike, not containing calcium lignin sulphonate.This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Comparative example 2
Carry out obtaining according to the method for embodiment 1 and be dry mixed abrasion-proof terrace mortar B2, unlike, not containing sodium sulfate.This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Comparative example 3
Carry out obtaining according to the method for embodiment 1 and be dry mixed abrasion-proof terrace mortar B3, unlike, not containing calcium nitrite.This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Comparative example 4
Carry out obtaining according to the method for embodiment 1 and be dry mixed abrasion-proof terrace mortar B4, unlike, the consumption of calcium lignin sulphonate is 0.5kg.This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Comparative example 5
Carry out obtaining according to the method for embodiment 1 and be dry mixed abrasion-proof terrace mortar B5, unlike, the consumption of sodium sulfate is 1.0kg.This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Comparative example 6
Carry out obtaining according to the method for embodiment 1 and be dry mixed abrasion-proof terrace mortar B6, unlike, the consumption of calcium nitrite is 5kg.This is dry mixed the ultimate compression strength of abrasion-proof terrace mortar, folding strength and fastness to rubbing than parameter in table 1.
Table 1
Ultimate compression strength/MPa Folding strength/MPa Fastness to rubbing ratio/%
1 80 12.1 320
A2 82 11.8 316
A3 84 11.9 318
A4 83 10.9 317
A5 81 10.8 319
B1 63 8.8 265
B2 61 8.4 274
B3 65 9.0 274
B4 60 9.3 286
B5 62 9.1 286
B6 58 8.9 266
From above-described embodiment and comparative example, the antifreeze mortar of mixed waterproof provided by the invention has excellent ultimate compression strength, folding strength and wear resistance.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (10)

1. be dry mixed an abrasion-proof terrace mortar, it is characterized in that, described in be dry mixed abrasion-proof terrace mortar and contain cement, flyash, slag, river sand, Natvosol, vinylbenzene-acetate ethylene copolymer, water reducer, hardening accelerator and calcium nitrite; Relative to the river sand of 100 weight parts, the content of described cement is 15-25 weight part, the content of described flyash is 10-15 weight part, the content of described slag is 5-8 weight part, the content of described Natvosol is 3-6 weight part, and the content of described vinylbenzene-acetate ethylene copolymer is 4-7 weight part, and the content of described water reducer is 0.3-0.5 weight part, the content of described hardening accelerator is 0.5-0.8 weight part, and the content of described calcium nitrite is 1-3 weight part.
2. be according to claim 1ly dry mixed abrasion-proof terrace mortar, wherein, the particle diameter of described slag is not more than 4 μm.
3. be according to claim 1ly dry mixed abrasion-proof terrace mortar, wherein, described vinylbenzene-acetate ethylene copolymer meets the following conditions: the mol ratio of vinylbenzene and vinyl acetate between to for plastic is 1:2-2.5, and weight-average molecular weight is 30,000-8 ten thousand.
4. according to any one in claim 1-3, be dry mixed abrasion-proof terrace mortar, wherein, described water reducer is selected from calcium lignin sulphonate and/or sodium lignosulfonate.
5. according to any one in claim 1-3, be dry mixed abrasion-proof terrace mortar, wherein, described hardening accelerator be selected from sodium sulfate, Sulfothiorine, Tai-Ace S 150 and aluminum potassium sulfate one or more.
6. be dry mixed a preparation method for abrasion-proof terrace mortar, it is characterized in that, described method is: cement, flyash, slag, river sand, Natvosol, vinylbenzene-acetate ethylene copolymer, water reducer, hardening accelerator and calcium nitrite are mixed; Relative to the river sand of 100 weight parts, the consumption of described cement is 15-25 weight part, the consumption of described flyash is 10-15 weight part, the consumption of described slag is 5-8 weight part, the consumption of described Natvosol is 3-6 weight part, and the consumption of described vinylbenzene-acetate ethylene copolymer is 4-7 weight part, and the consumption of described water reducer is 0.3-0.5 weight part, the consumption of described hardening accelerator is 0.5-0.8 weight part, and the consumption of described calcium nitrite is 1-3 weight part.
7. preparation method according to claim 1, wherein, the particle diameter of described slag is not more than 4 μm.
8. preparation method according to claim 1, wherein, described vinylbenzene-acetate ethylene copolymer meets the following conditions: the mol ratio of vinylbenzene and vinyl acetate between to for plastic is 1:2-2.5, and weight-average molecular weight is 30,000-8 ten thousand.
9. the preparation method according to any one in claim 6-8, wherein, described water reducer is selected from calcium lignin sulphonate and/or sodium lignosulfonate;
Preferably, described hardening accelerator is selected from one or more in sodium sulfate, Sulfothiorine, Tai-Ace S 150 and aluminum potassium sulfate.
10. the preparation method according to any one in claim 6-8, wherein, described mixing meets the following conditions: mixing time is 20-40min, and mixing temperature is 15-35 DEG C.
CN201410681301.5A 2014-11-24 2014-11-24 Dry-mixed wear-resistant floor mortar, and preparation method thereof Pending CN104496298A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105587102A (en) * 2016-03-01 2016-05-18 黑龙江泽林科技有限公司 Construction method of wet-on-wet paving type high abrasion resistance terrace
CN108341638A (en) * 2018-03-21 2018-07-31 广西交通科学研究院有限公司 The deck paving of concrete and its construction method of the anti-plastic cracking of high-performance

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CN102030504A (en) * 2010-11-03 2011-04-27 张斌 Method for preparing two-component pre-mixed mortar by mixing twice
CN102093006A (en) * 2010-12-28 2011-06-15 济南高新区工业废弃物利用研发中心 Fly ash dry-mixed mortar
CN102815913A (en) * 2012-08-09 2012-12-12 江苏尼高科技有限公司 Dry-mixed pre-mixed mortar prepared by alkali activated slag cement, and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN101538136A (en) * 2009-04-29 2009-09-23 华南理工大学 Premixing mortar with high moisture retention and production method thereof
CN102030504A (en) * 2010-11-03 2011-04-27 张斌 Method for preparing two-component pre-mixed mortar by mixing twice
CN102093006A (en) * 2010-12-28 2011-06-15 济南高新区工业废弃物利用研发中心 Fly ash dry-mixed mortar
CN102815913A (en) * 2012-08-09 2012-12-12 江苏尼高科技有限公司 Dry-mixed pre-mixed mortar prepared by alkali activated slag cement, and preparation method thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105587102A (en) * 2016-03-01 2016-05-18 黑龙江泽林科技有限公司 Construction method of wet-on-wet paving type high abrasion resistance terrace
CN105587102B (en) * 2016-03-01 2018-08-17 黑龙江泽林科技有限公司 A kind of wet construction method to the wet type high abrasion terrace that paves
CN108341638A (en) * 2018-03-21 2018-07-31 广西交通科学研究院有限公司 The deck paving of concrete and its construction method of the anti-plastic cracking of high-performance

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Application publication date: 20150408