CN105060816A - Cement base permeating crystallizing waterproof paint formed by reinforcing straw fibers - Google Patents

Cement base permeating crystallizing waterproof paint formed by reinforcing straw fibers Download PDF

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Publication number
CN105060816A
CN105060816A CN201510480126.8A CN201510480126A CN105060816A CN 105060816 A CN105060816 A CN 105060816A CN 201510480126 A CN201510480126 A CN 201510480126A CN 105060816 A CN105060816 A CN 105060816A
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CN
China
Prior art keywords
cement
stalk fibre
powder
waterproof coating
permeating
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
CN201510480126.8A
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Chinese (zh)
Inventor
钱元弟
雷团结
王孝平
李亚辉
黄维军
陈贺
王慧
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Maanshan Mcc17 Engineering Science & Technology Co Ltd
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Maanshan Mcc17 Engineering Science & Technology 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 Maanshan Mcc17 Engineering Science & Technology Co Ltd filed Critical Maanshan Mcc17 Engineering Science & Technology Co Ltd
Priority to CN201510480126.8A priority Critical patent/CN105060816A/en
Publication of CN105060816A publication Critical patent/CN105060816A/en
Pending legal-status Critical Current

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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 cement base permeating crystallizing waterproof paint formed by reinforcing straw fibers, and belongs to the technical field of building materials. The cement base permeating crystallizing waterproof paint is compounded from the following raw materials in percentage by weight: 30-60% of silicate cement, 10-25% of modified magnesite cement, 10-25% of fillings, 5-12% of quartz sand, 0.1-0.5% of expanded vermiculite powder, 0.05-0.2% of straw fibers, 0.8-1.5% of a chelating agent, 0.5-2% of a crystallizing precipitant, 1-5% of an ionic equilibrium agent, 0.1-0.3% of an antifoaming agent, 0.1-1% of redispersible latex powder and 0.3-0.6% of a water reducing agent. The cement base permeating crystallizing waterproof paint formed by reinforcing the straw fibers, disclosed by the invention, has double waterproof properties, good permeation resistance, good self-healing and repair capacity, good water pressure resistant capacity and rapid crack repairing capacity, is simple in production technology, low in cost and environment-friendly, and has the same life as that of concrete.

Description

The cement-based capillary crystalline waterproof coating that a kind of stalk fibre strengthens
Technical field
The invention belongs to building material technical field, be specifically related to the cement-based capillary crystalline waterproof coating that a kind of stalk fibre strengthens.
Background technology
Along with the development of construction industry and being on the increase of underground works, people propose more and more higher requirement to the protection against the tide of the waterproof of buildings and underground works, impregnating material.Architectural waterproof material is the important component part of construction work, and the good and bad degree direct influence of its performance work-ing life and the using function of building.Relative to traditional water-proof material, in a lot of fields, particularly the waterproofing work such as underground waterproof engineering, back side engineering and water reservoir has the superiority that can not mention to cement based penetration crystallization type water proofing paint.
Cementitious capillary waterproofing material is a kind of powdery waterproof paint containing active compound, having under water existent condition, active compound permeates to inside concrete, the crystallization of a large amount of water-fast long-chain shape is formed in hole and crack, to fill in a form plug capillary channel, thus make that concrete is fine and close, waterproof.Be applicable to need the surfaces externally and internally of various concrete structures of permanent waterproof or the waterproof of body and repairerment.
At present, domestic existing partial monopoly reports the preparation method of such water-proof material, mostly also there is certain problem.As patent CN102786275A, it mainly adopts penetrant crystalline core master batch to be configured, and because it is expensive, thus hinders its utilization in waterproofing work.The permeable crystalline waterproofing material related in other patent shows unsatisfactory in secondary impermeability and reparation crack ability.
Summary of the invention
The present invention overcomes deficiency of the prior art, the cement-based capillary crystalline waterproof coating that a kind of stalk fibre strengthens is provided, it has dual water resistance, high permeability resistant energy, self-healing repair ability, high water pressure resistant ability and Rapid-Repair crack ability, and production technique is simple, with low cost, environmental protection, the life-span same with concrete.
For achieving the above object, present invention employs following technical scheme:
The cement-based capillary crystalline waterproof coating that stalk fibre strengthens, formulated according to weight percent by following starting material:
Silicate cement 30 ~ 60%
Modified magnesite cement 10 ~ 25%
Filler 10 ~ 25%
Quartz sand 5 ~ 12%
Expanded vermiculite powder 0.1% ~ 0.5%
Stalk fibre 0.05% ~ 0.2%
Sequestrant 0.8 ~ 1.5%
Crystalline deposit agent 0.5 ~ 2%
Calcium ion poiser 1 ~ 5%
Defoamer 0.1% ~ 0.3%
Redispersable latex powder 0.1% ~ 1%
Water reducer 0.3 ~ 0.6%.
Preferably, described modified magnesite cement comprises magnesia cement, Sodium Silicofluoride and active micro silicon powder, and the weight ratio of Sodium Silicofluoride and active micro silicon powder is 1:1, and all accounts for 0.5 ~ 1.2% of magnesia cement parts by weight.
Preferably, described filler comprises iron tailings slag micro mist, blast-furnace cinder micro-powder or Pb-Zn tailings slag micro mist.
Preferably, calcium ion poiser is calcium oxide, calcium hydroxide or dihydrate gypsum.
Preferably, the particle diameter of described expanded vermiculite powder is 0.1mm ~ 0.8mm, and density is 60 ~ 180kg/m 3.
Preferably, the production stage of described stalk fibre is: by rice straw, wheat stalk or corn straw smashing, can obtain after liming alkalization pre-treatment, ultrasonic cleaning filtration, tartrate neutralizing treatment, oven dry processing, the length of described stalk fibre is 0.5 ~ 2mm, and density is 400 ~ 500kg/m 3.
Preferably, described sequestrant is hydroxyl ethylene dinitrilotetra-acetic acid or tartrate; Described crystalline deposit agent is quick-resolving sodium silicate or Sodium Silicofluoride.
Preferably, described defoamer is powdery organic silicon modified by polyether; Described redispersable latex powder is vinyl acetate homopolymerization rubber powder or vinylbenzene and butadiene copolymer rubber powder; Described water reducer is powdery sulfamate water reducer or naphthalene sulphonate formaldehyde water reducer.
Compared with prior art, beneficial effect of the present invention is as follows:
(1) cement-based capillary crystalline waterproof coating of stalk fibre enhancing of the present invention, it has dual water resistance, high permeability resistant energy, self-healing repair ability, high water pressure resistant ability and Rapid-Repair crack ability, and production technique is simple, with low cost, environmental protection, the life-span same with concrete.
(2) sequestrant contained by the present invention, calcium ion poiser and crystalline deposit agent may penetrate into inside concrete hole, and react with silicate cement, modified magnesite cement and filler hydrated product and generate insoluble crystalline substance, blocking concrete capillary-size pore, plays the effect of closely knit waterproof.
(3) the modified magnesite cement contained by the present invention greatly can improve the intensity of product, the corrosion of wear-resisting, high-low temperature resistant, anti-bittern and anti-permeability performance etc.
(4) redispersable latex powder contained by the present invention is homopolymer or multipolymer, and the toughness of material and stability are very strong, can improve the caking ability of waterproof paint, force of cohesion, freeze proof, hydrophobic nature, reduce water-intake rate, improve workability.
(5) utilize stalk fibre to have good opposing tensile deformation ability, proportion is comparatively light, make waterproof paint more flexible, and China has abundant stalk resource, can save ample resources, be conducive to the living environment of the mankind.
(6) utilize the good grain composition of filler, quartz sand and vermiculite power, joined the effect that can play micro-aggregate in waterproof paint well, improve its intensity and weather resistance.
(7) the powdery sulfamate water reducer contained by the present invention, water-reducing rate reaches 20 ~ 28%, and water-reducing effect is very good, and not bleed there is not impact substantially on time of coagulation, fine with cement adaptability, can use with other various composition of concrete admixtures.
(8) extensive application of stalk of the present invention and slag micropowder, therefore greatly reduces cost, and realizes the extensive application of solid waste and agricultural waste material, is conducive to environmental protection.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described in detail, but the present invention is not limited to following examples.
Embodiment 1
The weight percentage of each component of the present embodiment is:
Silicate cement 50%
Modified magnesite cement 15%
Filler 21%
Quartz sand 9%
Expanded vermiculite powder 0.1%
Stalk fibre 0.1%
Sequestrant 1.3%
Crystalline deposit agent 0.5%
Calcium ion poiser 2%
Defoamer 0.1%
Redispersable latex powder 0.6%
Water reducer 0.3%.
Wherein filler is iron tailings slag micro mist, calcium ion poiser is calcium hydroxide, and sequestrant is hydroxyl ethylene dinitrilotetra-acetic acid, and crystalline deposit agent is the instant Sodium Silicofluoride of powdery, redispersable latex powder is vinyl acetate homopolymerization rubber powder, and water reducer is powdery sulfamate water reducer.
Embodiment 2
The weight percentage of each component of the present embodiment is:
Silicate cement 60%
Modified magnesite cement 11%
Filler 16%
Quartz sand 7%
Expanded vermiculite powder 0.2%
Stalk fibre 0.2%
Sequestrant 1.1%
Crystalline deposit agent 0.7%
Calcium ion poiser 3%
Defoamer 0.2%
Redispersable latex powder 0.2%
Water reducer 0.4%.
Wherein filler is Pb-Zn tailings slag micro mist, and calcium ion poiser is calcium oxide, and sequestrant is tartrate, and crystalline deposit agent is quick-resolving sodium silicate, and redispersable latex powder is vinylbenzene and butadiene copolymer rubber powder, and water reducer is powdery sulfamate water reducer.
Embodiment 3
The weight percentage of each component of the present embodiment is:
Silicate cement 40%
Modified magnesite cement 22%
Filler 19%
Quartz sand 10%
Expanded vermiculite powder 0.3%
Stalk fibre 0.2%
Sequestrant 1.5%
Crystalline deposit agent 1.5%
Calcium ion poiser 3.8%
Defoamer 0.3%
Redispersable latex powder 0.8%
Water reducer 0.6%.
Wherein filler is blast-furnace cinder micro-powder, calcium ion poiser is dihydrate gypsum, and sequestrant is hydroxyl ethylene dinitrilotetra-acetic acid, and crystalline deposit agent is the instant Sodium Silicofluoride of powdery, redispersable latex powder is vinyl acetate homopolymerization rubber powder, and water reducer is naphthalene sulphonate formaldehyde water reducer.
As can be known from the above table, waterproof paint prepared in accordance with the present invention can significantly improve the anti-permeability performance of concrete member and the self-healing repair ability of excellence, indices is all far away higher than JC900-2002 and GB18445-2001 standard-required, it is a kind of cement-based capillary crystalline waterproof coating with dual water resistance, high permeability resistant energy, self-healing repair ability, high water pressure resistant ability and Rapid-Repair crack ability, and its production technique is simple, with low cost, environmental protection, life-span same with concrete.
Above embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.

Claims (8)

1. a cement-based capillary crystalline waterproof coating for stalk fibre enhancing, is characterized in that, formulated according to weight percent by following starting material:
Silicate cement 30 ~ 60%
Modified magnesite cement 10 ~ 25%
Filler 10 ~ 25%
Quartz sand 5 ~ 12%
Expanded vermiculite powder 0.1 ~ 0.5%
Stalk fibre 0.05 ~ 0.2%
Sequestrant 0.8 ~ 1.5%
Crystalline deposit agent 0.5 ~ 2%
Calcium ion poiser 1 ~ 5%
Defoamer 0.1 ~ 0.3%
Redispersable latex powder 0.1 ~ 1%
Water reducer 0.3 ~ 0.6%.
2. the cement-based capillary crystalline waterproof coating of a kind of stalk fibre enhancing according to claim 1, it is characterized in that, described modified magnesite cement comprises magnesia cement, Sodium Silicofluoride and active micro silicon powder, the weight ratio of Sodium Silicofluoride and active micro silicon powder is 1:1, and all accounts for 0.5 ~ 1.2% of magnesia cement parts by weight.
3. the cement-based capillary crystalline waterproof coating of a kind of stalk fibre enhancing according to claim 1, it is characterized in that, described filler comprises iron tailings slag micro mist, blast-furnace cinder micro-powder or Pb-Zn tailings slag micro mist.
4. the cement-based capillary crystalline waterproof coating of a kind of stalk fibre enhancing according to claim 1, it is characterized in that, calcium ion poiser is calcium oxide, calcium hydroxide or dihydrate gypsum.
5. the cement-based capillary crystalline waterproof coating of a kind of stalk fibre enhancing according to claim 1, it is characterized in that, the particle diameter of described expanded vermiculite powder is 0.1 ~ 0.8mm, and density is 60 ~ 180kg/m 3.
6. the cement-based capillary crystalline waterproof coating of a kind of stalk fibre enhancing according to claim 1, it is characterized in that, the production stage of described stalk fibre is: by rice straw, wheat stalk or corn straw smashing, can obtain after liming alkalization pre-treatment, ultrasonic cleaning filtration, tartrate neutralizing treatment, oven dry processing, the length of described stalk fibre is 0.5 ~ 2mm, and density is 400 ~ 500kg/m 3.
7. the cement-based capillary crystalline waterproof coating of a kind of stalk fibre enhancing according to claim 1, it is characterized in that, described sequestrant is hydroxyl ethylene dinitrilotetra-acetic acid or tartrate; Described crystalline deposit agent is quick-resolving sodium silicate or Sodium Silicofluoride.
8. the cement-based capillary crystalline waterproof coating of a kind of stalk fibre enhancing according to claim 1, it is characterized in that, described defoamer is powdery organic silicon modified by polyether; Described redispersable latex powder is vinyl acetate homopolymerization rubber powder or vinylbenzene and butadiene copolymer rubber powder; Described water reducer is powdery sulfamate water reducer or naphthalene sulphonate formaldehyde water reducer.
CN201510480126.8A 2015-08-07 2015-08-07 Cement base permeating crystallizing waterproof paint formed by reinforcing straw fibers Pending CN105060816A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105948640A (en) * 2016-04-28 2016-09-21 广州市贝固建材有限公司 Novel cement-based infiltrating crystalline waterproof material and preparation method therefor
CN106009136A (en) * 2016-06-24 2016-10-12 宁波格林工艺玩具有限公司 Preparation method of wood toy
CN106034902A (en) * 2016-05-31 2016-10-26 山东胜伟园林科技有限公司 Impervious material containing diospyros lotus tannin extract and method for planting syringa oblata in saline-alkaline land by using impervious material
CN106116389A (en) * 2016-07-04 2016-11-16 德清扬泰建筑材料有限公司 A kind of environment-friendly type water proof fire retardant dry powder and mortar and preparation method thereof
CN106278036A (en) * 2016-08-12 2017-01-04 马鞍山十七冶工程科技有限责任公司 A kind of High-strength self-compaction concrete and preparation method
CN106278125A (en) * 2016-08-15 2017-01-04 马鞍山十七冶工程科技有限责任公司 The regeneration aggregate light-weight wall material of a kind of modified ecological fiber reinforcement and preparation method
CN106673706A (en) * 2017-02-28 2017-05-17 常州绿马特建筑科技有限公司 Water-borne high permeability crystal waterproof hardening agent
CN107245257A (en) * 2017-06-27 2017-10-13 福建金戈铁甲建材有限公司 A kind of toughness reinforcing heatproof water-impervious coating rubber cement and preparation method thereof
CN107686302A (en) * 2017-08-23 2018-02-13 浙江裕洋隧道管片制造有限公司 A kind of cementitious capillary waterproofing material
CN108017293A (en) * 2017-11-27 2018-05-11 固岩科技发展有限公司 A kind of gelling agent and construction material based on iron tailings
CN109761537A (en) * 2019-01-30 2019-05-17 南通科达建材股份有限公司 Building wall coating and preparation method thereof

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105948640A (en) * 2016-04-28 2016-09-21 广州市贝固建材有限公司 Novel cement-based infiltrating crystalline waterproof material and preparation method therefor
CN106034902A (en) * 2016-05-31 2016-10-26 山东胜伟园林科技有限公司 Impervious material containing diospyros lotus tannin extract and method for planting syringa oblata in saline-alkaline land by using impervious material
CN106009136A (en) * 2016-06-24 2016-10-12 宁波格林工艺玩具有限公司 Preparation method of wood toy
CN106116389A (en) * 2016-07-04 2016-11-16 德清扬泰建筑材料有限公司 A kind of environment-friendly type water proof fire retardant dry powder and mortar and preparation method thereof
CN106278036A (en) * 2016-08-12 2017-01-04 马鞍山十七冶工程科技有限责任公司 A kind of High-strength self-compaction concrete and preparation method
CN106278036B (en) * 2016-08-12 2019-02-26 马鞍山十七冶工程科技有限责任公司 A kind of High-strength self-compaction concrete and preparation method
CN106278125A (en) * 2016-08-15 2017-01-04 马鞍山十七冶工程科技有限责任公司 The regeneration aggregate light-weight wall material of a kind of modified ecological fiber reinforcement and preparation method
CN106673706A (en) * 2017-02-28 2017-05-17 常州绿马特建筑科技有限公司 Water-borne high permeability crystal waterproof hardening agent
CN107245257A (en) * 2017-06-27 2017-10-13 福建金戈铁甲建材有限公司 A kind of toughness reinforcing heatproof water-impervious coating rubber cement and preparation method thereof
CN107686302A (en) * 2017-08-23 2018-02-13 浙江裕洋隧道管片制造有限公司 A kind of cementitious capillary waterproofing material
CN108017293A (en) * 2017-11-27 2018-05-11 固岩科技发展有限公司 A kind of gelling agent and construction material based on iron tailings
CN108017293B (en) * 2017-11-27 2021-01-12 固岩科技发展有限公司 Gelling agent and building material based on iron tailings
CN109761537A (en) * 2019-01-30 2019-05-17 南通科达建材股份有限公司 Building wall coating and preparation method thereof

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Application publication date: 20151118