CN1433994A - Later-modified cement and use thereof - Google Patents
Later-modified cement and use thereof Download PDFInfo
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- CN1433994A CN1433994A CN 03117197 CN03117197A CN1433994A CN 1433994 A CN1433994 A CN 1433994A CN 03117197 CN03117197 CN 03117197 CN 03117197 A CN03117197 A CN 03117197A CN 1433994 A CN1433994 A CN 1433994A
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Abstract
The present invention discloses a latex-modified cement and its application. Said latex-modified cement is a mixed slurry material made of (by weight portion) 10-130 portions of general Portland cement, 10-130 portions of acrylate copolymer, 0.01-0.3 portions of defoaming agent and 0.15-0.35 portions of moistening agent. The described acrylate copolymer is commercially available ZBR-608 or ZBR-621 emulsion made in Chinese Yunnan Zhengbang chemical Co. Ltd. Said invention has extensive application range, can be used as water-proofing coating material, filling material for cracked layer and for preparing high-performance latex-modified concrete.
Description
Technical field
The present invention relates to material of construction, more particularly, the present invention relates to a kind of material of construction with water-proof function.
Background technology
The popular water-proof material has following several in the market: (1) asphalt waterproofing material; (2) SBS waterproof roll; (3) JS composite water-proof material; (4) high-grade concrete waterproof layer etc.Though many companies promise to undertake waterproof effect can reach 20 years, 30 years.But the practice show, more than several water-proof materials all have the following disadvantages to some extent: (1) asphalt waterproofing material ageing resistance is poor.Particularly Yunnan is located in the plateau, and ultraviolet ray is very strong, and is unusual to the weather resisteant requirement of water-proof material.And the asphalt waterproofing material can't provide weather resisteant and unit elongation preferably.(2) SBS waterproof roll: the SBS waterproof roll hollowing can occur as the roof flashing material existence; Interlayer adhesion is strong inadequately; Ageing resistance is poor; The joint waterproof effect is not good, is difficult to disadvantages such as processing.(3) JS composite water-proof material: alkali resistance is poor, the water-intake rate height.Because concrete is alkaline body, alkalescence wherein can be destroyed the performance of water-proof material.(4) high-grade concrete waterproof layer: exist interlayer to combine poor between concrete and the concrete and also there are critical defects such as be full of cracks, no flexibility in concrete.Up to now, existing water-proof material can't satisfy the requirement in market.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of have good water-fast, acid and alkali-resistance, weather resisteant energy are provided, cost is reasonable, the latex cement of easy construction.
Another object of the present invention is to provide latex cement roof waterproof, toilet warterproof, ceramic veneer is gluing and the exterior wall latex paint construction in application.
Purpose of the present invention is achieved by following technical proposals.
Latex cement of the present invention is to make uniform mixed slurry by following materials based on weight through stirring: ordinary Portland cement 10～130, acrylic acid esters co-polymer 10～130, defoamer 0.01～0.3, wetting agent 0.15～0.35.
Described acrylic acid esters co-polymer is ZBR-608 latex or the ZBR-621 latex that commercially available Yunnan chemical industry company limited of positive nation produces.
Described defoamer is selected from a kind of in saturated alcohol, lipid acid, tributyl phosphate, higher fatty acid metallic soap, sulphonated oil or the organic silicone oil.
Described wetting agent is selected from sodium alkyl sulfate, draw back a kind of in powder or the monostearate.
Compared with prior art, the present invention has following beneficial effect: because the functional group of high-molecular copolymer produces crosslinking reaction with cement based, latex cement of the present invention has good water-fast, acid and alkali-resistance, weather resisteant, excellent low temperature flexibility, still can keep flexibility and elasticity preferably at-30 ℃.It is long to be specially adapted to resemble Yunnan Province's sunshine duration, the area that ultraviolet ray is strong.Suitability is wide, can be used as roof water-proof paint, parting packing material, toilet warterproof ceramic veneer tackiness agent and external wall construction.Its manufacture craft is simple, and easy construction, cost are reasonable, and product has brilliant market developing prospect.
Embodiment
By specific embodiment given below and typically used embodiment, can further be well understood to the present invention.But they are not limitation of the invention.
Embodiment 1
Latex cement is made uniform mixed slurry by following materials based on weight through stirring: 42.5
#Silicate cement 130, the ZBR-608 latex 100 of commercially available Yunnan chemical industry company limited of positive nation, octanol 0.3, sodium alkyl sulfate 0.35.Great basic engineering consultant limited-liability company Kaohsiung engineering material test detects through Taiwan, and detected result sees Table 1. every indexs all above the industry standard of water-proof material.
Embodiment 2
Latex cement is stirred by following materials based on weight and makes: 32.5
#Silicate cement 110, the ZBR-608 latex 90 of commercially available Yunnan chemical industry company limited of positive nation, octanol 0.2, sodium alkyl sulfate 0.2.
Embodiment 3
Latex cement is stirred by following materials based on weight and makes: 52.5
#Silicate cement 120, the ZBR-608 latex 110 of commercially available Yunnan chemical industry company limited of positive nation, octanol 0.2, sodium alkyl sulfate 0.2.
Embodiment 4
Except that the ZBR-621 latex that adopts commercially available Yunnan chemical industry company limited of positive nation to produce, other is identical with embodiment 1.
Embodiment 5
Except that the ZBR-621 latex that adopts commercially available Yunnan chemical industry company limited of positive nation to produce, other is identical with embodiment 2.
Embodiment 6
Except that the ZBR-621 latex that adopts commercially available Yunnan chemical industry company limited of positive nation to produce, other is identical with embodiment 3.
The present invention and ethene of the prior art one acetate ethylene copolymer (EVA) cement testing comparative result see Table 2. and can clearly be seen that thus, and the elongation of latex cement of the present invention and the every index of (indoor) breaking tenacity all are better than prior art.
Embodiment 7～11
All the other are with embodiment 1 except described defoamer is selected from a kind of in lipid acid, tributyl phosphate, higher fatty acid metallic soap, sulphonated oil or the organic silicone oil respectively.
Embodiment 12～13
Draw back a kind of in powder or the monostearate except described wetting agent is selected from respectively, all the other are with embodiment 1.
Application Example 1
Latex cement is used for roof water-proof, criticizes and be coated with 2～3 roads, the per pass gauge control makes its total thickness reach 1.2mm～2mm below 1mm, and interlayer drying 24h after the latex cement completion, dry 3～7 days, forms the latex cement elastic waterproof layer.
Application Example 2
Latex cement is used for toilet warterproof, criticizes and be coated with 2～3 roads, the per pass gauge control makes its total thickness reach 1.2mm～2mm below 1mm, and interlayer drying 24h after the latex cement completion, pastes ceramic tile after dry 3～7 days.Ceramic tile adhesive force test-results sees Table 3.
Application Example 3
Latex cement is used for exterior wall bouncing putty layer, and exterior wall putty is generally criticized and is scraped 3～4 roads, and the per pass gauge control is below 1mm, and interlayer drying 24h dry 3～7 days, forms waterproof, anticracking bouncing putty layer.
Table 1.
| Test subject | Testing method | The result | |
| Proportion | ?- | ????1.61 | |
| Elongation | CNS 6988 solidified 7 days | ????310％ | |
| Tensile strength | CNS 6988 solidified 7 days | ????33kgf/cm 2 | |
| Rupture strength | CNS 6988 solidified 7 days | ????28kgf/cm 2 | |
| Now intensity | Now body and the sclerosis of concrete now 7 days | ????27kgf/cm 2 | |
| Moistening now | Be dipped in water 48 hours after attached outstanding body and the concrete hardening | ????32kgf/cm 2 | |
| Weather resistance test | Elongation | ?(-20℃、2hr?150℃、3hr) ?20?cycle | ????150％ |
| Draw Zhang Qiangdu | ????34kgf/cm 2 | ||
| Alkaline-resisting moral character | Soaked in 10% sodium hydroxide 9 days | And do not change | |
| Anti-water-permeable | Hydraulic pressure 5kg/cm after the health 248 hours | ????0.03g | |
Table 2.
Table 3
| Test subject | The CNS10639 regulation | Test-results |
| Flexural strength | 40kgf/cm 2(3.9Mpa) | 82kgf/cm 2(8.0Mpa) |
| Compressive strength | 19.8Mpa more than | 27.2Mpa more than |
| Now intensity | 0.98Mpa more than | 1.9Mpa more than |
| Water-intake rate | 15.0％ | Below 6.8% |
| Permeability rate | 30.0g below | Below the 5g |
| Tensile strain rate | 0.15％ | 0.126％ |
Claims (7)
1. a latex cement is characterized in that it being the uniform mixing slurry of being made through stirring by following materials based on weight: ordinary Portland cement 10～130, acrylic acid esters co-polymer 10～130, defoamer 0.01～0.3, wetting agent 0.15～0.35.
2. according to the latex cement of claim 1, wherein said acrylic acid esters co-polymer is ZBR-608 or the ZBR-621 latex that commercially available Yunnan chemical industry company limited of positive nation produces.
3. according to the latex cement of claim 1, wherein said defoamer is selected from a kind of in saturated alcohol, lipid acid, tributyl phosphate, higher fatty acid metallic soap, sulphonated oil or the organic silicone oil.
4. according to the latex cement of claim 1, wherein said wetting agent is selected from sodium alkyl sulfate, draw back a kind of in powder or the monostearate.
5. the application of the described latex cement of claim 1 in waterproof construction.
6. the application of the described latex cement of claim 1 in the preparation high performance concrete.
7. the application of the described latex cement of claim 1 in exterior wall putty.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03117197 CN1433994A (en) | 2003-01-17 | 2003-01-17 | Later-modified cement and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03117197 CN1433994A (en) | 2003-01-17 | 2003-01-17 | Later-modified cement and use thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1433994A true CN1433994A (en) | 2003-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03117197 Pending CN1433994A (en) | 2003-01-17 | 2003-01-17 | Later-modified cement and use thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303034C (en) * | 2003-06-05 | 2007-03-07 | 同济大学 | Quick repairing polymer cement base material and its preparing method |
| CN1317463C (en) * | 2005-01-20 | 2007-05-23 | 黄菁华 | Thermal insulative elastic water-proof wall and constructing process for building |
| WO2012006923A1 (en) * | 2010-07-13 | 2012-01-19 | Shi Lei | Modified inorganic powder composite material and preparation method thereof |
-
2003
- 2003-01-17 CN CN 03117197 patent/CN1433994A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303034C (en) * | 2003-06-05 | 2007-03-07 | 同济大学 | Quick repairing polymer cement base material and its preparing method |
| CN1317463C (en) * | 2005-01-20 | 2007-05-23 | 黄菁华 | Thermal insulative elastic water-proof wall and constructing process for building |
| WO2012006923A1 (en) * | 2010-07-13 | 2012-01-19 | Shi Lei | Modified inorganic powder composite material and preparation method thereof |
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