CN107488016A - A kind of antibacterial is incubated high-strength mortar - Google Patents

A kind of antibacterial is incubated high-strength mortar Download PDF

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Publication number
CN107488016A
CN107488016A CN201710771814.9A CN201710771814A CN107488016A CN 107488016 A CN107488016 A CN 107488016A CN 201710771814 A CN201710771814 A CN 201710771814A CN 107488016 A CN107488016 A CN 107488016A
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CN
China
Prior art keywords
parts
strength mortar
fiber
antibacterial
cement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710771814.9A
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Chinese (zh)
Inventor
周琴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Zhong Mian Decoration Co Ltd
Original Assignee
Suzhou Zhong Mian Decoration Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Zhong Mian Decoration Co Ltd filed Critical Suzhou Zhong Mian Decoration Co Ltd
Priority to CN201710771814.9A priority Critical patent/CN107488016A/en
Publication of CN107488016A publication Critical patent/CN107488016A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C04B28/04—Portland cements
    • 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
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/2092—Resistance against biological degradation
    • 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
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention discloses a kind of antibacterial to be incubated high-strength mortar, belongs to apparatus for building Material Field.The high-strength mortar includes the following component counted in parts by weight：45 70 parts of cement, 20 35 parts of powder of straw, 30 55 parts of fiber, 18 parts of silica sand, 12 18 parts of quartz sand, middle husky 14 parts, 18 24 parts of ceramic powder, 20 35 parts of foam copper, 15 parts of rare-earth salts, 0.2 0.8 parts of silver nitrate, 15 parts of water reducer, 0.5 3 parts of latex powder, 70 90 parts of water.Compared with prior art, high-strength mortar component environmental protection of the present invention, is prepared simply, and mechanical property is good, and soaking time is grown, and sterilizing ability is strong, and rate of self-contraction is low.

Description

A kind of antibacterial is incubated high-strength mortar
Technical field
The invention belongs to building material field, and in particular to a kind of antibacterial is incubated high-strength mortar.
Background technology
The structure that modern project uses becomes increasingly complex, and environment is also more and more diversified, to the properties of mortar will Ask and gradually step up.Traditional mortar is typically using portland cement, yellow ground and water composition, and water is only used for improving mobility, without water Glue ratio controls intensity.Modern mortar technology has developed, commercially available mortar species increase, but most of mortars remain as commonly Masonry mortar, thermal insulation mortar, and insulation material is mostly expansion polyphenyl plate, extruded polystyrene board and polyurathamc, but such a material Expect that the feature of environmental protection is poor, antibacterial bacteriostatic ability is weak, as building or ornament materials, can carry out hidden danger to the health care belt of people.
CN102701667B Chinese patent discloses rice husk thermal insulation high-strength mortar, and specifically disclosing the high-strength mortar includes Portland cement by weight：12%-20%, flyash：2%-3%, silicon ash：1%-2%, water：30%-35%, rice Shell：2%-3%, the construction waste crushed：30%-32%, dicalcium powder：3%-7%, redispersible latex powder：0.3%- 1%th, cellulose ether：0.07%-0.12%.Although the high-strength mortar that the high-strength mortar is prepared using discarded rice husk for raw material, With heat-insulating property and higher intensity, reduce the dosage of cement, but the mortar highly shrinkable influences it and widely used.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of antibacterial to be incubated high-strength mortar, the high-strength sand Slurry mechanical property is good, and wear-resistant, heat conduction is fast, lower shrinkage, and preparation method is simple, easy, available for building material field.
To solve prior art problem, the technical scheme that the present invention takes is：
A kind of antibacterial is incubated high-strength mortar, including the following component counted in parts by weight：Cement 45-70 parts, powder of straw 20- 35 parts, fiber 30-55 parts, silica sand 1-8 parts, quartz sand 12-18 parts, middle husky 1-4 parts, ceramic powder 18-24 parts, foam copper 20-35 Part, rare-earth salts 1-5 parts, silver nitrate 0.2-0.8 parts, water reducer 1-5 parts, latex powder 0.5-3 parts, water 70-90 parts.
It is that above-mentioned antibacterial is incubated high-strength mortar, including the following component counted in parts by weight as improved：Cement 68 Part, 32 parts of powder of straw, 48 parts of fiber, 5 parts of silica sand, 14 parts of quartz sand, middle husky 3 parts, 22 parts of ceramic powder, 28 parts of foam copper, rare earth 3 parts of salt, 0.2 part of silver nitrate, 4 parts of water reducer, 0.9 part of latex powder, 82 parts of water.
It is that the cement is portland cement or sulphate aluminium cement as improved.
It is that the fiber is one or more mixed in carbon fiber, bamboo fibre, steel fibre or acetate fiber as improved Close.
It is that the steel fibre is copper facing steel fibre as improved.
It is that the water reducer is polycarboxylic acids dehydragent, water-reducing rate 25-48% as improved.
It is that the rare-earth salts is lanthanum nitrate as improved.
Compared with prior art, the present invention has following advantage：
1st, high-strength mortar sterilizing rate of the present invention is high by up to 99.5%；
2nd, the anti-pressure ability of high-strength mortar is strong, and cost is cheap, high insulating effect；
3rd, it is not only attractive in appearance but also environmentally friendly available for building or ornament materials.
Embodiment
The present invention is further described in detail below by specific embodiment.
Embodiment 1
A kind of antibacterial is incubated high-strength mortar, including the following component counted in parts by weight：45 parts of cement, 20 parts of powder of straw, 30 parts of fiber, silica sand 1-8 parts, quartz sand 12-18 parts, middle husky 1 part, 18 parts of ceramic powder, 20 parts of foam copper, lanthanum nitrate 1-5 parts, nitre The silver-colored 0.2-0.8 parts of acid, water reducer 1-5 parts, 0.5 part of latex powder, 70 parts of water.
Wherein, the cement is portland cement.
The fiber is the mixture of carbon fiber and acetate fiber, and both ratios of weight and number are 2：1.
The water reducer is the polycarboxylic acids dehydragent that water-reducing rate is 25%.
Specifically, cement, powder of straw, ceramic powder, foam copper, lanthanum nitrate, silver nitrate are all added in mortar mixer Dry mixing is uniform, adds water reducer and water, continues to stir, and last time adds fiber, silica sand, quartz sand, middle husky and latex Powder quickly stirs, you can.
Embodiment 2
A kind of antibacterial is incubated high-strength mortar, including the following component counted in parts by weight：68 parts of cement, 32 parts of powder of straw, 48 parts of fiber, 5 parts of silica sand, 14 parts of quartz sand, middle husky 3 parts, 22 parts of ceramic powder, 28 parts of foam copper, 3 parts of lanthanum nitrate, silver nitrate 0.2 Part, 4 parts of water reducer, 0.9 part of latex powder, 82 parts of water.
Wherein, the cement is portland cement and sulphate aluminium cement mixture, and two kinds of mass ratio is 2：1.
The fiber is copper facing steel fibre, and the thickness of layers of copper is 0.2 μm.
The water reducer is the polycarboxylic acids dehydragent that water-reducing rate is 32%.
The preparation method of above-mentioned antibacterial insulation high-strength mortar is the same as embodiment 1.
Embodiment 3
A kind of antibacterial is incubated high-strength mortar, including the following component counted in parts by weight：70 parts of cement, 35 parts of powder of straw, 55 parts of fiber, 8 parts of silica sand, 18 parts of quartz sand, middle husky 4 parts, 24 parts of ceramic powder, 35 parts of foam copper, 5 parts of lanthanum nitrate, nitrate 0.8 Part, 5 parts of water reducer, 3 parts of latex powder, 90 parts of water.
Wherein, the cement is sulphate aluminium cement.
The fiber is that carbon fiber, bamboo fibre, steel fibre, the mixture of acetate fiber, and respective weight ratio are 1：1： 2：1.
The water reducer is the polycarboxylic acids dehydragent that water-reducing rate is 48%.
The preparation method of above-mentioned antibacterial insulation high-strength mortar is the same as embodiment 1.
Embodiment 4
A kind of antibacterial is incubated high-strength mortar, including the following component counted in parts by weight：70 parts of cement, 35 parts of powder of straw, 55 parts of fiber, 8 parts of silica sand, 18 parts of quartz sand, middle husky 4 parts, 24 parts of ceramic powder, 35 parts of foam copper, 5 parts of lanthanum nitrate, nitrate 0.8 Part, 5 parts of water reducer, 3 parts of latex powder, 90 parts of water.
Wherein, the cement is portland cement.
The fiber is the mixture of carbon fiber and acetate fiber, and both ratios of weight and number are 2：1.
The water reducer is the polycarboxylic acids dehydragent that water-reducing rate is 25%.
The preparation method of above-mentioned antibacterial insulation high-strength mortar is the same as embodiment 1.
Comparative example 1
A kind of antibacterial is incubated high-strength mortar, including the following component counted in parts by weight：68 parts of cement, 32 parts of powder of straw, 48 parts of fiber, 5 parts of silica sand, 14 parts of quartz sand, middle husky 3 parts, 22 parts of ceramic powder, 3 parts of lanthanum nitrate, 0.2 part of silver nitrate, water reducer 4 Part, 0.9 part of latex powder, 82 parts of water.
Wherein, the cement is portland cement and sulphate aluminium cement mixture, and two kinds of mass ratio is 2：1.
The fiber is copper facing steel fibre, and the thickness of layers of copper is 0.2 μm.
The water reducer is the polycarboxylic acids dehydragent that water-reducing rate is 32%.
The preparation method of above-mentioned antibacterial insulation high-strength mortar is the same as embodiment 1.
Embodiment 1-4 and comparative example 1 high-strength mortar prepared are detected, the data obtained is as shown in the table.
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Comparative example 1
Compression strength (20 days)/MPa 48 52 50 51 34
Rate of self-contraction (20 days)/% 1.80×10-4 1.40×10-4 1.60×10-4 1.52×10-4 1.98×10-4
Fluidity/mm 268 275 260 274 210
Mortar ectonexine temperature difference/DEG C 12 8 10 9 21
Sterilizing rate (Escherichia coli)/% 98.2 99.5 98.1 98.6 80.1
It is seen from the above data that mortar mobility of the present invention is strong, bactericidal effect is good, and compression strength is big, as building Ornament materials uses, and high insulating effect is low from yield, therefore has a good application prospect.
In addition, the invention is not restricted to above-mentioned embodiment, as long as in without departing from the scope of the present invention, can take various Mode implements the present invention.

Claims (7)

1. a kind of antibacterial is incubated high-strength mortar, it is characterised in that including the following component counted in parts by weight：Cement 45-70 parts, Powder of straw 20-35 parts, fiber 30-55 parts, silica sand 1-8 parts, quartz sand 12-18 parts, middle husky 1-4 parts, ceramic powder 18-24 parts, bubble Foam copper 20-35 parts, rare-earth salts 1-5 parts, silver nitrate 0.2-0.8 parts, water reducer 1-5 parts, latex powder 0.5-3 parts, water 70-90 parts.
2. a kind of antibacterial insulation high-strength mortar according to claim 1, it is characterised in that counted in parts by weight including following Component：68 parts of cement, 32 parts of powder of straw, 48 parts of fiber, 5 parts of silica sand, 14 parts of quartz sand, middle husky 3 parts, 22 parts of ceramic powder, bubble 28 parts of foam copper, 3 parts of rare-earth salts, 0.2 part of silver nitrate, 4 parts of water reducer, 0.9 part of latex powder, 82 parts of water.
3. a kind of antibacterial insulation high-strength mortar according to claim 1, it is characterised in that the cement is portland cement Or sulphate aluminium cement.
4. a kind of antibacterial insulation high-strength mortar according to claim 1, it is characterised in that the fiber is carbon fiber, bamboo One or more mixing in fiber, steel fibre or acetate fiber.
5. a kind of antibacterial insulation high-strength mortar according to claim 4, it is characterised in that the steel fibre is that copper plated steel is fine Dimension.
6. a kind of antibacterial insulation high-strength mortar according to claim 1, it is characterised in that the water reducer is polycarboxylic acid Water reducer, water-reducing rate 25-48%.
7. a kind of antibacterial insulation high-strength mortar according to claim 1, it is characterised in that the rare-earth salts is lanthanum nitrate.
CN201710771814.9A 2017-08-31 2017-08-31 A kind of antibacterial is incubated high-strength mortar Pending CN107488016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710771814.9A CN107488016A (en) 2017-08-31 2017-08-31 A kind of antibacterial is incubated high-strength mortar

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Application Number Priority Date Filing Date Title
CN201710771814.9A CN107488016A (en) 2017-08-31 2017-08-31 A kind of antibacterial is incubated high-strength mortar

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Publication Number Publication Date
CN107488016A true CN107488016A (en) 2017-12-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109824315A (en) * 2019-04-16 2019-05-31 四川朝岩新材料科技有限公司 A kind of metope environmentally friendly plaster formula and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104098308A (en) * 2014-07-15 2014-10-15 东南大学 Cement-foam metal two-phase connected composite material and preparation method thereof
CN105384419A (en) * 2015-12-11 2016-03-09 徐琪 Preparation method of antibiotic and mildew-resistant functional mortar
CN105503101A (en) * 2015-12-18 2016-04-20 北京砼友混凝土浇筑技术有限公司 Novel foam concrete and preparing method thereof
CN106988415A (en) * 2017-05-27 2017-07-28 吉林建筑大学 Accumulation of heat structure of generating heat and the building element provided with heating accumulation of heat structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104098308A (en) * 2014-07-15 2014-10-15 东南大学 Cement-foam metal two-phase connected composite material and preparation method thereof
CN105384419A (en) * 2015-12-11 2016-03-09 徐琪 Preparation method of antibiotic and mildew-resistant functional mortar
CN105503101A (en) * 2015-12-18 2016-04-20 北京砼友混凝土浇筑技术有限公司 Novel foam concrete and preparing method thereof
CN106988415A (en) * 2017-05-27 2017-07-28 吉林建筑大学 Accumulation of heat structure of generating heat and the building element provided with heating accumulation of heat structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
奚正平等: "《烧结金属多孔材料》", 31 January 2009 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109824315A (en) * 2019-04-16 2019-05-31 四川朝岩新材料科技有限公司 A kind of metope environmentally friendly plaster formula and preparation method thereof

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Application publication date: 20171219