CN109111167A - A kind of stretch-proof cementitious capillary waterproofing material - Google Patents
A kind of stretch-proof cementitious capillary waterproofing material Download PDFInfo
- Publication number
- CN109111167A CN109111167A CN201810907131.6A CN201810907131A CN109111167A CN 109111167 A CN109111167 A CN 109111167A CN 201810907131 A CN201810907131 A CN 201810907131A CN 109111167 A CN109111167 A CN 109111167A
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- parts
- stretch
- component
- water
- cementitious capillary
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Classifications
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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
- C04B28/04—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
- 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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- 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
Abstract
The present invention discloses a kind of stretch-proof cementitious capillary waterproofing material, and the waterproof material is made of 65%A component and 35%B component；Wherein, component A includes following raw material: 100 parts of portland cement, 60-80 parts of quartz sand, 35-45 parts of compound resin rubber powder, 3-7 parts of water-reducing agent, 1-3 parts of ultraviolet absorbing agent, B component include following raw material: 30-40 parts of barium monoxide, 20-30 parts of strontium oxide strontia, 25-35 parts of magnesium tartrate, 15-25 parts of zinc sulfate, 10-20 parts of calcium sulphoaluminate；The compound resin rubber powder is made of 35-55% modifying epoxy resin by organosilicon, 25-35% focus ratio, 20-30% polycarbonate resin.Long flexible chain structure is introduced into concrete substrates by the present invention using compound resin rubber powder, improve water-repellent paint coefficient of elasticity and tensile strength, and utilize the interaction of B component, quartz sand, water, it is cross-linked into complicated and confused type crystalline solid, the gap in cement based structures is filled up and repaired, water-repellent paint strength and stability is improved.
Description
Technical field
The invention belongs to field of waterproof materials, and in particular to a kind of stretch-proof cementitious capillary waterproofing material.
Background technique
Cementitious capillary waterproofing material is using water as carrier, under the guidance of water, produces concrete and active material
Biochemical variation forms insoluble complicated and confused shape crystalline solid, blocks concrete micropore and capillary channel, it is whole to form closed waterproof layer
Body reaches durable water resistant, corrosion resistant effect, meanwhile, the moisture penetrated into Local Damaged region again can Activation Activity object again
Matter generates crystalline solid and mends a split, and avoids ordinary cement sill because splitting infiltration phenomenon caused by structural instability, but due to
Cement base aggregate brittleness is high, there are still waterproof material resistance to compression, anti-folding, tensile resistance difference problem.
Application No. is the patent of CN201710047477.9, open cement-base infiltration crystallization waterproofing agent and preparation method thereof,
The waterproofing agent using metasilicate pentahydrate sodium, calcium chloride, hydroxypropyl methyl cellulose, silicone oil and tartaric acid as penetrant crystalline masterbatch,
Silica gel and silicate gel are generated using the calcium ions and magnesium ions effect in metasilicate pentahydrate sodium and calcium chloride and cement, coheres and fills
Hole, but the waterproof material contains only the rigid aggregate such as portland cement, quartz sand, flyash, still unresolved conventional cement base
Easily there is concrete skeleton fracture and base in the problem that permeable crystalline waterproofing material flexibility is low, brittleness is high, tensile resistance is poor
Emaciated face from the phenomenon that, influence water proof anti-seepage effect.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of stretch-proof cement-base infiltration crystallization types
Waterproof material.
Technical solution of the present invention is summarized as follows:
A kind of stretch-proof cementitious capillary waterproofing material, the waterproof material is by 65%A component and 35%B group
Divide and constitutes；Wherein, component A includes portland cement, quartz sand, compound resin rubber powder, water-reducing agent, ultraviolet absorbing agent, B component
Including zinc sulfate, barium monoxide, strontium oxide strontia, magnesium tartrate, sulphur potassium aluminate；The compound resin rubber powder is by silicon-modified epoxy tree
Rouge, focus ratio, polycarbonate resin composition.
Preferably, the component A includes following raw material:
Preferably, the B component includes following raw material:
Preferably, the portland cement is the composition of tricalcium silicate, dicalcium silicate, tetra calcium aluminoferrite, and three
Weight ratio be 1:(0.3-0.5): (0.1-0.2).
Preferably, the compound resin rubber powder includes following weight percent composition: modifying epoxy resin by organosilicon 35-
55%, focus ratio 25-35%, polycarbonate resin 20-30%.
Preferably, the water-reducing agent includes sodium lignin sulfonate, polyphenyl formaldehyde sulfonate, sodium metnylene bis-naphthalene sulfonate
It is one or more.
Preferably, the ultraviolet absorbing agent includes septichen phenyl ester, 2,4-DihydroxyBenzophenone, single benzene
Formic acid resorcinol it is one or more.
Beneficial effects of the present invention:
The compound resin glue that the present invention is compounded using modifying epoxy resin by organosilicon, focus ratio, polycarbonate resin
Long flexible chain structure is introduced into concrete substrates by powder, improves water-repellent paint coefficient of elasticity and tensile strength, and with barium monoxide
It is chief active masterbatch with strontium oxide strontia, the two is cross-linked into complicated and confused type knot using water as carrier, with quartz sand, magnesium tartrate, zinc sulfate
The gap in cement based structures is filled up and repaired to crystal, is further formed closure entirety, strengthens the matrix structure of cubic network,
Improve water-repellent paint structural strength and chemical stability.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
The present invention proposes the stretch-proof cementitious capillary waterproofing material of an embodiment, and the waterproof material is by 65%
Component A and 35%B component are constituted；Wherein, component A include portland cement, it is quartz sand, compound resin rubber powder, water-reducing agent, ultraviolet
Light absorbers, B component include zinc sulfate, barium monoxide, strontium oxide strontia, magnesium tartrate, sulphur potassium aluminate；The compound resin rubber powder is by having
Machine silicon modified epoxy resin, focus ratio, polycarbonate resin composition.
Above-mentioned component A using 100 parts of portland cements as skeleton structure, the portland cement be tricalcium silicate, dicalcium silicate,
The composition of tetra calcium aluminoferrite, and the weight ratio of three is 1:(0.3-0.5): (0.1-0.2), tricalcium silicate are that cement is main
Ingredient is met water and is solidified immediately, determines the structural strength of waterproof material, aquation equation is as follows: 3CaOSiO2+nH2O →
xCaO·SiO2·yH2O+(3-x)Ca(OH)2, x expression calcium silicon ratio, n expression combined water, y expression calcium silicates aquation moisture
Subnumber, dicalcium silicate aquation is slower, and after four weeks, setting rate and intensity are remarkably reinforced, and aquation equation is as follows: 2CaO
SiO2+nH2O→ xCaO·SiO2·yH2O+(2-x)Ca(OH)2, the condensation of tetra calcium aluminoferrite aquation is very fast, in 1-5d, plays
Effect, aquation equation are as follows: 4CaOAl2O3·Fe2O3+2H2O→ 3CaO·Al2O3·Fe2O3·H2O+CaO·
Fe2O3·H2O；Quartz sand is further reacted with hydrated product, generates knot branch type calcium silicate crystals, reinforced cementitious base cubic network
Structure, reaction equation are as follows:Existing more excellent parts by weight section
It is 60-80 parts.
Above-mentioned component A makes up the crisp defect of coagulation soil nature, couples hardness with softness using compound resin rubber powder as flexible additive,
So that cement-base waterproof coating stretch-proof coefficient is improved 30%, tensile strength and improve 24%, which is had by 35-55%
Machine silicon modified epoxy resin, 25-35% focus ratio, 20-30% polycarbonate resin mix, and modified epoxy will
Soft silicone long-chain is introduced into concrete structure, improves the toughness and thermal stability of water-repellent paint, focus ratio and poly-
The coefficient of elasticity and mechanical strength of carbonate resin are higher, reinforce water-repellent paint stretch-proof, anti-folding, impact strength, more excellent
Parts by weight section be 35-45 part, using on water-reducing agent polar group adsorb water, generation steric hindrance benefit, prevent cement
Particle guarantees the stability of the matrix structure of cubic network because Van der Waals force is combined into flocculence structure, improves waterproof effect, packet
Include sodium lignin sulfonate, polyphenyl formaldehyde sulfonate, sodium metnylene bis-naphthalene sulfonate it is one or more, preferably parts by weight be 3-
7 parts；Coating anti-aging property, including septichen phenyl ester, 2,4- dihydroxy hexichol first are improved by ultraviolet absorbing agent
Ketone, single benzoic acid resorcinol it is one or more, preferably parts by weight are 1-3 parts.
Above-mentioned B component is chief active masterbatch, barium monoxide and strontium oxide strontia using water as carrier using barium monoxide and strontium oxide strontia, with A
Quartz sand, magnesium tartrate, zinc sulfate are cross-linked into complicated and confused type crystalline solid in component, fill up and repair the gap in cement based structures,
It is whole to be further formed closure, reaction equation is as follows: BaO/SrO+H2O→Ba(OH)2/Sr(OH)2, Ba (OH)2/Sr
(OH)2+SiO2→BaSiO3/SrSiO3↓+H2O, Ba (OH)2/Sr(OH)2+ MgC4H4O6→BaC4H4O6/SrC4H4O6↓+Mg
(OH)2↓, Ba (OH)2/Sr(OH)2+ZnSO4→BaSO4/SrSO4↓+Zn(OH)2↓, calcium sulphoaluminate absorbs moisture, generates low sulfur type
Calcium sulphoaluminate and aluminium glue, improve water-repellent paint structural strength and adhesion strength, reaction equation are as follows: 3CaO3Al2O3·
CaSO4+18H2O→3CaO·Al2O3·CaSO4·12H2O +2(Al2O3·3H2O).By weight, the barium monoxide, oxygen
Change strontium, magnesium tartrate, zinc sulfate, calcium sulphoaluminate more excellent section be respectively 30-40 parts, 20-30 parts, 25-35 parts, 15-25
Part, 10-20 parts.
Following table lists the specific formula of different embodiments and the performance parameter of obtained water-repellent paint:
Subordinate list:
As seen from the above table, invention significantly improves the toughness of cement base crystalline waterproof coating and mechanical strengths, resist
Tensile strength is up to 2.36MPa or more, and improves the wear-resisting of waterproof material, waterproof, fatigue performance.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (7)
1. a kind of stretch-proof cementitious capillary waterproofing material, which is characterized in that the waterproof material by 65%A component and
35%B component is constituted；Wherein, component A includes portland cement, quartz sand, compound resin rubber powder, water-reducing agent, ultraviolet radiation absorption
Agent, B component include barium monoxide, strontium oxide strontia, magnesium tartrate, zinc sulfate, calcium sulphoaluminate；The compound resin rubber powder is changed by organosilicon
Property epoxy resin, focus ratio, polycarbonate resin composition.
2. a kind of stretch-proof cementitious capillary waterproofing material according to claim 1, which is characterized in that the A group
Divide includes following raw material:
3. a kind of stretch-proof cementitious capillary waterproofing material according to claim 1, which is characterized in that the B group
Divide includes following raw material:
4. according to claim 1 or a kind of 2 any stretch-proof cementitious capillary waterproofing materials, which is characterized in that
The portland cement is the composition of tricalcium silicate, dicalcium silicate, tetra calcium aluminoferrite, and the weight ratio of three is 1:(0.3-
0.5): (0.1-0.2).
5. according to claim 1 or a kind of 2 any stretch-proof cementitious capillary waterproofing materials, which is characterized in that
The compound resin rubber powder includes following weight percent composition: modifying epoxy resin by organosilicon 35-55%, focus ratio
25-35%, polycarbonate resin 20-30%.
6. according to claim 1 or a kind of 2 any stretch-proof cementitious capillary waterproofing materials, which is characterized in that
The water-reducing agent include sodium lignin sulfonate, polyphenyl formaldehyde sulfonate, sodium metnylene bis-naphthalene sulfonate it is one or more.
7. according to claim 1 or a kind of 2 any stretch-proof cementitious capillary waterproofing materials, which is characterized in that
The ultraviolet absorbing agent includes septichen phenyl ester, 2,4-DihydroxyBenzophenone, single benzoic acid resorcinol
It is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810907131.6A CN109111167B (en) | 2018-08-10 | 2018-08-10 | Stretch-proofing cement-based capillary crystalline waterproof material |
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|---|---|---|---|
| CN201810907131.6A CN109111167B (en) | 2018-08-10 | 2018-08-10 | Stretch-proofing cement-based capillary crystalline waterproof material |
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| CN109111167A true CN109111167A (en) | 2019-01-01 |
| CN109111167B CN109111167B (en) | 2020-11-24 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386805A (en) * | 2019-08-22 | 2019-10-29 | 大连海事大学 | A kind of new sulfur aluminate-base mud/soft soil curing agent and its application method |
| CN110436849A (en) * | 2019-08-13 | 2019-11-12 | 安徽朗凯奇建材有限公司 | A kind of cement based penetration crystallization type water proofing paint, preparation method and its application method |
| CN111377666A (en) * | 2020-04-03 | 2020-07-07 | 苏州市德威防水科技有限公司 | Waterproofing membrane with prevention of seepage passes through waterproof coating |
| WO2020173220A3 (en) * | 2019-02-27 | 2020-10-22 | 詹仰东 | Nano-modified silicate-based permeating and crystallizing material and method of using same |
| CN112830728A (en) * | 2021-01-13 | 2021-05-25 | 广东龙湖科技股份有限公司 | Self-maintenance permeable crystallization material for secondary grouting of shield, preparation method and application |
| CN114644497A (en) * | 2022-04-23 | 2022-06-21 | 安徽欣生防水工程有限公司 | Self-crystallization type grouting material for repairing concrete cracks and preparation method thereof |
| CN115466087A (en) * | 2022-09-12 | 2022-12-13 | 昆明理工大学 | Novel cement-based permeable crystallization waterproof material and use method thereof |
| CN116003073A (en) * | 2022-12-28 | 2023-04-25 | 安徽朗凯奇科技股份有限公司 | Cement-based permeable crystallization type waterproofing agent in caustic environment and preparation method thereof |
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| CN102320787A (en) * | 2011-08-08 | 2012-01-18 | 大岩（上海）建筑材料有限公司 | Self-closing polymer cement waterproof coating and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020173220A3 (en) * | 2019-02-27 | 2020-10-22 | 詹仰东 | Nano-modified silicate-based permeating and crystallizing material and method of using same |
| CN110436849A (en) * | 2019-08-13 | 2019-11-12 | 安徽朗凯奇建材有限公司 | A kind of cement based penetration crystallization type water proofing paint, preparation method and its application method |
| CN110436849B (en) * | 2019-08-13 | 2021-12-07 | 安徽朗凯奇建材有限公司 | Cement-based capillary crystalline waterproof coating, preparation method and application method thereof |
| CN110386805A (en) * | 2019-08-22 | 2019-10-29 | 大连海事大学 | A kind of new sulfur aluminate-base mud/soft soil curing agent and its application method |
| CN110386805B (en) * | 2019-08-22 | 2022-04-01 | 大连海事大学 | Novel sulphoaluminate-based sludge/soft soil curing agent and use method thereof |
| CN111377666A (en) * | 2020-04-03 | 2020-07-07 | 苏州市德威防水科技有限公司 | Waterproofing membrane with prevention of seepage passes through waterproof coating |
| CN112830728A (en) * | 2021-01-13 | 2021-05-25 | 广东龙湖科技股份有限公司 | Self-maintenance permeable crystallization material for secondary grouting of shield, preparation method and application |
| CN114644497A (en) * | 2022-04-23 | 2022-06-21 | 安徽欣生防水工程有限公司 | Self-crystallization type grouting material for repairing concrete cracks and preparation method thereof |
| CN115466087A (en) * | 2022-09-12 | 2022-12-13 | 昆明理工大学 | Novel cement-based permeable crystallization waterproof material and use method thereof |
| CN116003073A (en) * | 2022-12-28 | 2023-04-25 | 安徽朗凯奇科技股份有限公司 | Cement-based permeable crystallization type waterproofing agent in caustic environment and preparation method thereof |
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|---|---|
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Denomination of invention: A tensile cement-based permeable crystalline waterproof material Effective date of registration: 20220708 Granted publication date: 20201124 Pledgee: China Everbright Bank Limited by Share Ltd. Hefei branch Pledgor: ANHUI LENCAQI BUILDING MATERIAL Co.,Ltd. Registration number: Y2022980010096 |
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