CN100526245C - Anti-cracking leakage-proof cement - Google Patents

Anti-cracking leakage-proof cement Download PDF

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Publication number
CN100526245C
CN100526245C CN 200610049896 CN200610049896A CN100526245C CN 100526245 C CN100526245 C CN 100526245C CN 200610049896 CN200610049896 CN 200610049896 CN 200610049896 A CN200610049896 A CN 200610049896A CN 100526245 C CN100526245 C CN 100526245C
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CN
China
Prior art keywords
cement
powder
make
cracking
anticracking
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.)
Expired - Fee Related
Application number
CN 200610049896
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Chinese (zh)
Other versions
CN101037307A (en
Inventor
董永范
汪福红
张青山
董海斌
董峥嵘
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Individual
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Individual
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Publication date
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Priority to CN 200610049896 priority Critical patent/CN100526245C/en
Publication of CN101037307A publication Critical patent/CN101037307A/en
Application granted granted Critical
Publication of CN100526245C publication Critical patent/CN100526245C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/02—Portland cement

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

Abstract

The invention relates to an anti-cracking and anti-leaking cement which considers the portland cement as the raw materials. Meanwhile, it mixes 2.5%-41% by weight of Fe powder into the portland cement and blends uniformly. The added Fe powder with a certain proportion reacts with the air and water to make Fe expand swiftly. The produced powerful penetrability drives cement to automatically fill up the capillary porosity and crack to make the cement imperviousness and conquer the chap and aging of the beton and prolong its service life.

Description

A kind of cement of anticracking leakproof
Technical field
The present invention relates to cement material for building, specifically, is a kind of cement with anticracking leakproof.
Background technology
In the building operation, be everlasting and lay ground level with cement on the prefabricated section of skeleton construction, especially for the plane of roof or bridge floor, because of weather, the variation of temperature, expose to the sun and rain, inner repeated expansion and shrinkage, chap, phenomenon such as leak is serious, at present to this class phenomenon, generally the way that adopts is used envelope, lid, method such as stifled, promptly at its outside coating waterproof glue or lay the impervious method of mending-leakage such as tar felt, but these class methods all are difficult to play the effect of radical cure, and lay tar felt and need heating, workload is bigger, brushing waterproof glue just forms waterproofing membrane on the surface, poor durability, and if the big area use, also be not suitable for, promptly these class methods are not only costly but also require great effort, time-consuming.
Summary of the invention
The present invention is directed to deficiency of the prior art, provide a kind of directly have waterproof, antiseep, anticracking and can compensate automatically, cement easy to use.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of cement of anticracking leakproof is starting material with the silicate cement, mixes the Fe powder of 2.5%-41% content in silicate cement, and evenly stirs.
As preferably, the content of above-mentioned Fe powder is 15%-35%.
Press the cement of a kind of anticracking leakproof of technical scheme design of the present invention, in general cement, mix the Fe powder of specified proportion, oxidizing reaction slowly takes place in Fe and air and water, and in this process, constantly expand, and drive cement with great seepage force and fill up pore and crack in the concrete automatically, make cement waterproof, airtight, phenomenon such as overcome concrete, chap, wear out has prolonged its life-span.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail:
A kind of cement of anticracking leakproof in the present embodiment mixes stirring by the Fe powder that mixes 15%-35% content in the silicate cement and makes, and this class cement is used to cast flat-top, balcony etc.Fe runs into water and air oxidizing reaction constantly takes place, and generates the ferric oxide that contains crystal water: Fe 2O 3NH 2O, its chemical equation is: 4Fe+3O 2+ nH 2O=2Fe 2O 3NH 2O, the Fe that the Fe in the cement produces in oxidising process 2O 3NH 2O because volume increases, blocks water channel to suppress to enter in the concrete pore, prevents to wear out.Chap, in the repetitive process of infiltration, oxidation, impel that the concrete layer structure is more and more solid, density is more and more tighter, and oxidizing reaction, only just can stop when high-seal, because Fe has certain ratio in cement, and be to carry out oxidizing reaction at normal temperatures, add the restriction of plastochondria shape, with outer weak interior strong reaction sequence, sealing advances from inside to outside, so fundamentally stopped the concrete overplumping.
The present invention is when being used for difference construction purposes, Fe content is under a certain proportion of situation, can also select in this scope, when even being mainly the purpose that reaches anti-aging, antiseep, anti-cracking function, when promptly being used for roof, plane, balcony etc., available Fe content ratio is few, general ratio is 2.5%-25%, reaches resistance intensity as if being mainly, mends when splitting the purpose of function, when promptly being used for firm, more than the available Fe content ratio, be generally 26%-41%.

Claims (2)

1. the cement of an anticracking leakproof is starting material with the silicate cement, it is characterized in that mixing in silicate cement the Fe powder of 2.5%-41% content, and evenly stirs.
2. the cement of a kind of anticracking leakproof according to claim 1, the content that it is characterized in that the Fe powder is 15%-35%.
CN 200610049896 2006-03-17 2006-03-17 Anti-cracking leakage-proof cement Expired - Fee Related CN100526245C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610049896 CN100526245C (en) 2006-03-17 2006-03-17 Anti-cracking leakage-proof cement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200610049896 CN100526245C (en) 2006-03-17 2006-03-17 Anti-cracking leakage-proof cement

Publications (2)

Publication Number Publication Date
CN101037307A CN101037307A (en) 2007-09-19
CN100526245C true CN100526245C (en) 2009-08-12

Family

ID=38888509

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200610049896 Expired - Fee Related CN100526245C (en) 2006-03-17 2006-03-17 Anti-cracking leakage-proof cement

Country Status (1)

Country Link
CN (1) CN100526245C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105152586A (en) * 2015-09-14 2015-12-16 安徽芜湖飞琪水泥制品有限公司 Chipping cement pile material composition and preparation method of chipping cement pile
CN105198299A (en) * 2015-10-13 2015-12-30 安徽芜湖飞琪水泥制品有限公司 Oil-resistant cement pile material composition and preparation method thereof
CN105254229A (en) * 2015-10-16 2016-01-20 广西巨邦科技有限公司 Concrete with high structural strength

Also Published As

Publication number Publication date
CN101037307A (en) 2007-09-19

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090812

Termination date: 20130317