CN104230222A - Impermeable concrete and preparation method thereof - Google Patents
Impermeable concrete and preparation method thereof Download PDFInfo
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- CN104230222A CN104230222A CN201410388228.2A CN201410388228A CN104230222A CN 104230222 A CN104230222 A CN 104230222A CN 201410388228 A CN201410388228 A CN 201410388228A CN 104230222 A CN104230222 A CN 104230222A
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- 239000004567 concrete Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims description 10
- 239000000839 emulsion Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 239000010703 silicon Substances 0.000 claims abstract description 9
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 8
- 239000004568 cement Substances 0.000 claims abstract description 7
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 7
- 239000011777 magnesium Substances 0.000 claims abstract description 7
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 7
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims abstract description 7
- 229910052596 spinel Inorganic materials 0.000 claims abstract description 7
- 239000011029 spinel Substances 0.000 claims abstract description 7
- 239000002023 wood Substances 0.000 claims abstract description 7
- -1 magnesium aluminate Chemical class 0.000 claims abstract description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- SJWKGDGUQTWDRV-UHFFFAOYSA-N 2-Propenyl heptanoate Chemical compound CCCCCCC(=O)OCC=C SJWKGDGUQTWDRV-UHFFFAOYSA-N 0.000 claims description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 6
- 239000004160 Ammonium persulphate Substances 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- LFRJGOFQPHQKKA-UHFFFAOYSA-N [Na].OS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F Chemical compound [Na].OS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F LFRJGOFQPHQKKA-UHFFFAOYSA-N 0.000 claims description 6
- HIGRAKVNKLCVCA-UHFFFAOYSA-N alumine Chemical compound C1=CC=[Al]C=C1 HIGRAKVNKLCVCA-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 150000001408 amides Chemical class 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 6
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 6
- 239000012964 benzotriazole Substances 0.000 claims description 6
- 235000019864 coconut oil Nutrition 0.000 claims description 6
- 239000003240 coconut oil Substances 0.000 claims description 6
- WPUMTJGUQUYPIV-JIZZDEOASA-L disodium (S)-malate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](O)CC([O-])=O WPUMTJGUQUYPIV-JIZZDEOASA-L 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000012467 final product Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229940059574 pentaerithrityl Drugs 0.000 claims description 6
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 6
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims description 6
- 210000002966 serum Anatomy 0.000 claims description 6
- 235000019265 sodium DL-malate Nutrition 0.000 claims description 6
- 239000001394 sodium malate Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 3
- 235000011437 Amygdalus communis Nutrition 0.000 claims description 3
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims description 3
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004159 Potassium persulphate Substances 0.000 claims description 3
- 241000220304 Prunus dulcis Species 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- 239000000378 calcium silicate Substances 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- 239000001071 citrus reticulata blanco var. mandarin Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 235000019198 oils Nutrition 0.000 claims description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 3
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 3
- 235000019394 potassium persulphate Nutrition 0.000 claims description 3
- 229960001124 trientine Drugs 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 2
- 239000010451 perlite Substances 0.000 abstract 2
- 235000019362 perlite Nutrition 0.000 abstract 2
- 230000003487 anti-permeability effect Effects 0.000 abstract 1
- 229910001570 bauxite Inorganic materials 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000003205 fragrance Substances 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 229940051841 polyoxyethylene ether Drugs 0.000 abstract 1
- 229920000056 polyoxyethylene ether Polymers 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses impermeable concrete. The impermeable concrete is prepared from the following raw materials in parts by weight: 50-60 parts of magnesium aluminate spinel powder, 30-40 parts of bauxite, 20-30 parts of wood shavings, 100-130 parts of expanded perlite, 4-6 parts of polyoxyethylene ether, 1-2 parts of cerium oxide, 170-190 parts of cement, 500-530 parts of broken stones, 50-70 parts of mineral powder, 250-270 parts of sand, 15-20 parts of an acrylic emulsion, 20-26 parts of an organic silicon emulsion, a proper amount of water and 20-30 parts of an auxiliary agent. According to the concrete disclosed by the invention, the acrylic emulsion and the organic silicon emulsion are added, so that the anti-permeability and compressive strength of the concrete can be increased; the expanded perlite is added, so that the heat preservation performance of the concrete can be increased, and the strength grade range of the concrete can be broadened; and the auxiliary agent is used, so that the tensile strength, breaking strength, compressive strength and compactibility of the concrete can be increased; and the concrete can send out fragrance, is moth-proof and corrosion-resistant, can enhance the anti-rust, water-proof and anti-seepage properties, and is good in water reduction performance, plasticity and pumping effect.
Description
Technical field
The invention belongs to building material field, particularly a kind of water-tight concrete and preparation method thereof.
Background technology
Concrete has abundant raw material, cheap, the simple feature of production technique, thus makes its consumption increasing.Simultaneously also to have ultimate compression strength high for concrete, good endurance, the features such as strength grade wide ranges.These features make its use range very extensive, and not only using in various civil engineering work, is exactly shipbuilding, mechanical industry, the exploitation of ocean, geothermal engineering etc., and concrete is also important material.
Along with the development of component materials of concrete, people are not only confined to ultimate compression strength to concrete performance requriements, but on the basis basing oneself upon intensity, more focus on concrete weather resistance, deformation performance, fire-and explosion-proof performance, water-impervious performance, toughness, erosion resistance, heat retaining property, health environment-friendly and to reduce costs etc. the balance and coordination of overall target.The requirement of concrete property indices is than clearer and more definite, refinement in the past and concrete.Meanwhile, the lifting of Architectural Equipment level, the continuing to bring out and promoting of novel construction process, concrete technology is adapted to different designs, construction and service requirements, develops very fast.
Concrete also be unable to do without the raw-material development of the reinforcement of concrete, be unable to do without the development and change of concrete engineer applied object.Therefore, develop that performance is more excellent, function is more powerful, more adapt to novel process, the concrete of new building object just seems particularly important.
Summary of the invention
The object of the present invention is to provide a kind of water-tight concrete and preparation method thereof, this concrete permeability resistance is good, ultimate compression strength is high, good heat preservation performance.
Technical scheme of the present invention is as follows:
A kind of water-tight concrete, is characterized in that being made up of the raw material of following weight part: magnesium aluminium spinel powder 50-60, alumine 30-40, wood shavings 20-30, pearlstone 100-130, Soxylat A 25-7 4-6, cerium oxide 1-2, cement 170-190, rubble 500-530, breeze 50-70, sand 250-270, ACRYLIC EMULSION 15-20, organic silicon emulsion 20-26, water are appropriate, auxiliary agent 20-30;
Described auxiliary agent is made up of the raw material of following weight part: epoxy acrylate 2-3, methyl acrylate 2-3, tetramethylolmethane 1-2, vinyl cyanide 2-3, allyl oenanthate 2-3, ethyl propenoate 1-2, mandarin oil 0.4-0.6, benzotriazole 1-2, trimeric cyanamide 1-2, 12-hydroxy lithium stearate 1-2, steel fiber 4-6, active calcium silicate 4-5, Prunus amygdalus oil 1-1.7, triethylene tetramine 0.2-0.3, perfluoro octyl sulfonic acid sodium 0.6-0.9, sodium malate 0.5-0.7, coconut oil diethanol amide 0.5-0.8, ammonium persulphate 0.1-0.2, Potassium Persulphate 0.1-0.2, water 15-18, , preparation method is: by water, epoxy acrylate, methyl acrylate, tetramethylolmethane, vinyl cyanide, allyl oenanthate, perfluoro octyl sulfonic acid sodium, sodium malate, coconut oil diethanol amide, benzotriazole, steel fiber mixing, be heated to 70-80 DEG C, add ammonium persulphate stirring reaction 20-30 minute, mix with other remaining components again, be heated to 80-90 DEG C, stirring reaction 40-50 minute, to obtain final product.
The preparation method of described water-tight concrete, is characterized in that comprising the following steps:
(1) by alumine, wood shavings, Soxylat A 25-7, cerium oxide, ACRYLIC EMULSION, organic silicon emulsion mixing, grinding 20-30 minute, then mix with water, stir, obtain mixed serum;
(2) magnesium aluminium spinel powder, pearlstone, cement, rubble, breeze, sand are mixed, the mixed serum obtained with (1) step and other remaining components mix, and stirring reaction 8-12 minute, then pours into a mould, and vibrates;
(3) in the wet environment of 5-25 DEG C, carry out maintenance 7-9 days after building, to obtain final product.
Beneficial effect of the present invention
Concrete of the present invention with the addition of ACRYLIC EMULSION, organic silicon emulsion, adds concrete impermeability, ultimate compression strength; By adding pearlstone, add concrete heat-insulating property, and this strength grade of concrete wide ranges; By making used additives, add concrete tension, anti-folding, ultimate compression strength and density, can be scentetd, mothproof protection against corrosion, enhances antirust, waterproof, barrier performance, water reducing ability, plasticity-and can pumping effective.
Embodiment
A kind of water-tight concrete, is made up of the raw material of following weight part (kilogram): magnesium aluminium spinel powder 55, alumine 35, wood shavings 25, pearlstone 110, Soxylat A 25-7 5, cerium oxide 1.5, cement 180, rubble 520, breeze 60, sand 260, ACRYLIC EMULSION 17, organic silicon emulsion 23, water are appropriate, auxiliary agent 25;
Described auxiliary agent is made up of the raw material of following weight part (kilogram): epoxy acrylate 2.5, methyl acrylate 2.5, tetramethylolmethane 1.5, vinyl cyanide 2.5, allyl oenanthate 2.5, ethyl propenoate 1.5, mandarin oil 0.5, benzotriazole 1.5, trimeric cyanamide 1.5, 12-hydroxy lithium stearate 1.5, steel fiber 5, active calcium silicate 4.5, Prunus amygdalus oil 1.4, triethylene tetramine 0.2, perfluoro octyl sulfonic acid sodium 0.8, sodium malate 0.6, coconut oil diethanol amide 0.6, ammonium persulphate 0.2, Potassium Persulphate 0.2, water 16, , preparation method is: by water, epoxy acrylate, methyl acrylate, tetramethylolmethane, vinyl cyanide, allyl oenanthate, perfluoro octyl sulfonic acid sodium, sodium malate, coconut oil diethanol amide, benzotriazole, steel fiber mixing, be heated to 75 DEG C, add ammonium persulphate stirring reaction 25 minutes, mix with other remaining components again, be heated to 85 DEG C, stirring reaction 45 minutes, to obtain final product.
The preparation method of described water-tight concrete, comprises the following steps:
(1) by alumine, wood shavings, Soxylat A 25-7, cerium oxide, ACRYLIC EMULSION, organic silicon emulsion mixing, grind 26 minutes, then mix with water, stir, obtain mixed serum;
(2) magnesium aluminium spinel powder, pearlstone, cement, rubble, breeze, sand are mixed, the mixed serum obtained with (1) step and other remaining components mix, and stirring reaction 11 minutes, then pours into a mould, vibrate;
(3) in the wet environment of 13-25 DEG C, carry out maintenance 7 days after building, to obtain final product.
Experimental data:
The strength grade of concrete of this embodiment is C35, and the slump is 16cm, ultimate compression strength 45MPa, folding strength 16.2MPa.
Claims (2)
1. a water-tight concrete, is characterized in that being made up of the raw material of following weight part: magnesium aluminium spinel powder 50-60, alumine 30-40, wood shavings 20-30, pearlstone 100-130, Soxylat A 25-7 4-6, cerium oxide 1-2, cement 170-190, rubble 500-530, breeze 50-70, sand 250-270, ACRYLIC EMULSION 15-20, organic silicon emulsion 20-26, water are appropriate, auxiliary agent 20-30;
Described auxiliary agent is made up of the raw material of following weight part: epoxy acrylate 2-3, methyl acrylate 2-3, tetramethylolmethane 1-2, vinyl cyanide 2-3, allyl oenanthate 2-3, ethyl propenoate 1-2, mandarin oil 0.4-0.6, benzotriazole 1-2, trimeric cyanamide 1-2, 12-hydroxy lithium stearate 1-2, steel fiber 4-6, active calcium silicate 4-5, Prunus amygdalus oil 1-1.7, triethylene tetramine 0.2-0.3, perfluoro octyl sulfonic acid sodium 0.6-0.9, sodium malate 0.5-0.7, coconut oil diethanol amide 0.5-0.8, ammonium persulphate 0.1-0.2, Potassium Persulphate 0.1-0.2, water 15-18, , preparation method is: by water, epoxy acrylate, methyl acrylate, tetramethylolmethane, vinyl cyanide, allyl oenanthate, perfluoro octyl sulfonic acid sodium, sodium malate, coconut oil diethanol amide, benzotriazole, steel fiber mixing, be heated to 70-80 DEG C, add ammonium persulphate stirring reaction 20-30 minute, mix with other remaining components again, be heated to 80-90 DEG C, stirring reaction 40-50 minute, to obtain final product.
2. the preparation method of water-tight concrete according to claim 1, is characterized in that comprising the following steps:
(1) by alumine, wood shavings, Soxylat A 25-7, cerium oxide, ACRYLIC EMULSION, organic silicon emulsion mixing, grinding 20-30 minute, then mix with water, stir, obtain mixed serum;
(2) magnesium aluminium spinel powder, pearlstone, cement, rubble, breeze, sand are mixed, the mixed serum obtained with (1) step and other remaining components mix, and stirring reaction 8-12 minute, then pours into a mould, and vibrates;
(3) in the wet environment of 5-25 DEG C, carry out maintenance 7-9 days after building, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410388228.2A CN104230222B (en) | 2014-08-08 | 2014-08-08 | A kind of water-tight concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410388228.2A CN104230222B (en) | 2014-08-08 | 2014-08-08 | A kind of water-tight concrete and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN104230222A true CN104230222A (en) | 2014-12-24 |
| CN104230222B CN104230222B (en) | 2016-07-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860585A (en) * | 2015-04-30 | 2015-08-26 | 安徽鑫润新型材料有限公司 | Waterproof concrete and production method thereof |
| CN109020334A (en) * | 2018-09-11 | 2018-12-18 | 成都建工工业化建筑有限公司 | A kind of water-tight concrete and preparation method thereof |
| CN109385046A (en) * | 2018-10-22 | 2019-02-26 | 福州麦辽自动化设备有限公司 | A kind of nanometer composite epoxy resin construction material |
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| JP2004051452A (en) * | 2002-07-23 | 2004-02-19 | Mitsubishi Materials Corp | Phosphorus recovery system and phosphorus recovery method |
| CN101555147A (en) * | 2009-05-19 | 2009-10-14 | 鲁有 | Flexible periclase compound spinel brick |
| CN102863247A (en) * | 2012-10-16 | 2013-01-09 | 中国地质大学（北京） | Preparation method of compact magnesia-alumina spinel refractory aggregate |
| CN102976670A (en) * | 2012-10-28 | 2013-03-20 | 赵延波 | Finished concrete with high anti-permeability |
| CN103803920A (en) * | 2013-12-27 | 2014-05-21 | 武汉武新新型建材有限公司 | Rock-fill concrete |
-
2014
- 2014-08-08 CN CN201410388228.2A patent/CN104230222B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004051452A (en) * | 2002-07-23 | 2004-02-19 | Mitsubishi Materials Corp | Phosphorus recovery system and phosphorus recovery method |
| CN101555147A (en) * | 2009-05-19 | 2009-10-14 | 鲁有 | Flexible periclase compound spinel brick |
| CN102863247A (en) * | 2012-10-16 | 2013-01-09 | 中国地质大学（北京） | Preparation method of compact magnesia-alumina spinel refractory aggregate |
| CN102976670A (en) * | 2012-10-28 | 2013-03-20 | 赵延波 | Finished concrete with high anti-permeability |
| CN103803920A (en) * | 2013-12-27 | 2014-05-21 | 武汉武新新型建材有限公司 | Rock-fill concrete |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860585A (en) * | 2015-04-30 | 2015-08-26 | 安徽鑫润新型材料有限公司 | Waterproof concrete and production method thereof |
| CN109020334A (en) * | 2018-09-11 | 2018-12-18 | 成都建工工业化建筑有限公司 | A kind of water-tight concrete and preparation method thereof |
| CN109385046A (en) * | 2018-10-22 | 2019-02-26 | 福州麦辽自动化设备有限公司 | A kind of nanometer composite epoxy resin construction material |
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| CN104230222B (en) | 2016-07-06 |
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Denomination of invention: A kind of impermeable concrete and its preparation method Effective date of registration: 20200927 Granted publication date: 20160706 Pledgee: Suzhou financing Company limited by guarantee Pledgor: SUZHOU HUILI NEW BUILDING MATERIAL Co.,Ltd. Registration number: Y2020980006376 |
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Date of cancellation: 20230519 Granted publication date: 20160706 Pledgee: Suzhou financing Company limited by guarantee Pledgor: SUZHOU HUILI NEW BUILDING MATERIAL Co.,Ltd. Registration number: Y2020980006376 |