CN104556813A - Compound mineral powder water-retaining reinforcing agent - Google Patents
Compound mineral powder water-retaining reinforcing agent Download PDFInfo
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- CN104556813A CN104556813A CN201510038180.7A CN201510038180A CN104556813A CN 104556813 A CN104556813 A CN 104556813A CN 201510038180 A CN201510038180 A CN 201510038180A CN 104556813 A CN104556813 A CN 104556813A
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- 239000000843 powder Substances 0.000 title claims abstract description 31
- 150000001875 compounds Chemical class 0.000 title abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 title abstract 3
- 239000011707 mineral Substances 0.000 title abstract 3
- 239000012744 reinforcing agent Substances 0.000 title abstract 3
- 239000002994 raw material Substances 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000000203 mixture Substances 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 230000002708 enhancing effect Effects 0.000 claims description 18
- 239000002893 slag Substances 0.000 claims description 17
- 229910021536 Zeolite Inorganic materials 0.000 claims description 10
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 10
- 239000010457 zeolite Substances 0.000 claims description 10
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 8
- 150000002191 fatty alcohols Chemical class 0.000 claims description 8
- YLGXILFCIXHCMC-JHGZEJCSSA-N methyl cellulose Chemical compound COC1C(OC)C(OC)C(COC)O[C@H]1O[C@H]1C(OC)C(OC)C(OC)OC1COC YLGXILFCIXHCMC-JHGZEJCSSA-N 0.000 claims description 8
- 229920001568 phenolic resin Polymers 0.000 claims description 8
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 8
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 229920002522 Wood fibre Polymers 0.000 claims description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims description 7
- 229960000892 attapulgite Drugs 0.000 claims description 7
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000005543 nano-size silicon particle Substances 0.000 claims description 7
- 229910052625 palygorskite Inorganic materials 0.000 claims description 7
- 239000011863 silicon-based powder Substances 0.000 claims description 7
- 239000010455 vermiculite Substances 0.000 claims description 7
- 229910052902 vermiculite Inorganic materials 0.000 claims description 7
- 235000019354 vermiculite Nutrition 0.000 claims description 7
- RGHNJXZEOKUKBD-SQOUGZDYSA-M D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O RGHNJXZEOKUKBD-SQOUGZDYSA-M 0.000 claims description 4
- 229940050410 gluconate Drugs 0.000 claims description 4
- 150000003016 phosphoric acids Chemical class 0.000 claims description 4
- 229920005646 polycarboxylate Polymers 0.000 claims description 4
- 239000000344 soap Substances 0.000 claims description 4
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 3
- 229910052708 sodium Inorganic materials 0.000 description 10
- 239000011734 sodium Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
- 235000019832 sodium triphosphate Nutrition 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- 239000004568 cement Substances 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 101710194948 Protein phosphatase PhpP Proteins 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 description 3
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 230000003467 diminishing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006253 efflorescence Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 206010037844 rash Diseases 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012745 toughening agent Substances 0.000 description 2
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000003469 silicate cement Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a compound mineral powder water-retaining reinforcing agent which is prepared from the following raw materials in percentage by weight: 70-90% of a functional base body material, 1-20% of a functional auxiliary material and 1-15% of a functional main body material. The compound mineral powder water-retaining reinforcing agent provided by the invention and used for building mortar has the advantages of being easily available, simple in process, low in price and broad in prospect.
Description
Technical field
The present invention relates to a kind of complex slag water retention enhancing agents, belong to building material field.
Background technology
Traditional lime powder, lime putty are used for sand-cement slurry and whitewash and metope can be caused to play drum, efflorescence, cracking, leakage problems because of reasons such as the inert impurities of lime is many, aquation is slow, aquation is incomplete, the moisture absorptions; Micro foam agent, mortar king, active ingredient for mortars are used for mainly stirring by adding water workability and the operability that the bubble produced improves mortar in sand-cement slurry, the more operability that bubble produces better, workman is in order to improve mortar operability and speed of application, very naturally, large dosage will be added, but, the effective bubble changing sand-cement slurry operability must not exceed the 6-8% of mortar volume, otherwise can cause mortar efflorescence, hollowing, cracking; Densification powder for commodity mortar changes over single air-entraining function, slightly helps mortar strength, but large usage quantity, account for the 10-20% of cement proportion, cost is higher, and function is comprehensive not.
Summary of the invention
Present invention is directed at lime powder that existing building mortar uses, lime putty, micro foam agent, mortar king, active ingredient for mortars, the defect of densification powder and side effect, according to the moiety of silicate cement, hydrated product and condensation feature, invent a kind of sand-cement slurry additive, i.e. a kind of complex slag water retention enhancing agents.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of complex slag water retention enhancing agents, by the percentage composition of raw material gross weight, is made up of following raw material:
Function body material 70 ~ 90%, function subsidiary material 1 ~ 20%, function body material 1 ~ 15%,
Wherein, described function body material is attapulgite, kaolin, zeolite powder, wilkinite, silicon powder, the mixture of one or more in vermiculite power,
Described function subsidiary material are the mixture of one or more in gluconate, fatty alcohol polyoxyethylene ether sulfate, phosphoric acid salt, soap, glass fibre, wood fibre,
Described function body material is the mixture of one or more in methyl cellulose ether, pva powder, phenol-formaldehyde resin powder, polycarboxylate, sulfamate, nano silicon.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described function body material, by the percentage composition of raw material gross weight, is made up of following raw material:
Attapulgite 10 ~ 35%, kaolin 10 ~ 25%, zeolite powder 10 ~ 40%, wilkinite 10 ~ 25%, silicon powder 10 ~ 45%, vermiculite power 10 ~ 40%.
Further, described function subsidiary material, by the percentage composition of raw material gross weight, are made up of following raw material:
Gluconate 10 ~ 22%, fatty alcohol polyoxyethylene ether sulfate 10 ~ 23%, phosphoric acid salt 10 ~ 15%, soap 10 ~ 30%, glass fibre 10 ~ 25%, wood fibre 10 ~ 35%.
Further, described function body material, by the percentage composition of raw material gross weight, is made up of following raw material:
Methyl cellulose ether 10 ~ 19%, pva powder 10 ~ 21%, phenol-formaldehyde resin powder 10 ~ 28%, polycarboxylate 10 ~ 22%, sulfamate 10 ~ 15%, nano silicon 10 ~ 25%.
The invention has the beneficial effects as follows:
The present invention with natural crystal powder mixture for function body material, compound slow setting, excite, disperse, cracking resistance, water repellent component are function subsidiary material, with water conservation, diminishing, enhancement component for function body material, levigate to 400 orders through stirring, mixing weighing is packaged as a kind of complex slag water retention enhancing agents.
The invention provides a kind of complex slag water retention enhancing agents, this toughener is used in building mortar, has that raw material is easily purchased, technique is simple, cheap, the advantage that has a extensive future.This toughener be used for having in mortar addition low, easily batch to scrape, anti-ly to hang from above, cohesive force is good, ultimate compression strength is high feature, there is water conservation, diminishing, enhancing, thixotroping function in mortar, be particularly useful for mortar product, being worth users to adopt, is a kind of high performance-price ratio cement mortar additive.
Complex slag water retention enhancing agents provided by the invention is used in building mortar, improves mortar performance, plays raising workability, improves operability, reduces water consumption, water-keeping thickening, fills effect that is closely knit, reinforced mortar.
Embodiment
Be described principle of the present invention and feature below, example, only for explaining the present invention, is not intended to limit scope of the present invention.
In embodiment fatty alcohol polyoxyethylene ether sulfate used by extensively open up chemical (Shanghai) Co., Ltd. produce and commercially available.
In embodiment phenol-formaldehyde resin powder used by new Guangdong, Dongguan engineering plastic raw material limited liability company produce and commercially available.
In embodiment, methyl cellulose ether used is produced by Korea S's Samsung and commercially available.
In embodiment poly carboxylic acid sodium used by Qingdao old road chemical material company limited produce and commercially available.
In embodiment pva powder used by Shanxi three-dimensional produce and commercially available.
Embodiment 1
A kind of complex slag water retention enhancing agents, by the percentage composition of raw material gross weight, is made up of following raw material: function body material 78%, function subsidiary material 18%, function body material 4%.
Described function body material, by the percentage composition of raw material gross weight, is made up of following raw material: attapulgite 8%, kaolin 12%, zeolite powder (more than 400 orders, zeolite content more than 60%) 24%, wilkinite 11%, silicon powder 22%, vermiculite power 23%;
Described function subsidiary material are by the percentage composition of raw material gross weight, be made up of following raw material: Sunmorl N 60S 19%, fatty alcohol polyoxyethylene ether sulfate 21%, tripoly phosphate sodium STPP 9%, Zinic stearas 12%, glass fibre (3 millimeters of chopped strand technical fibers) 14%, wood fibre 25%;
Described function body material, by the percentage composition of raw material gross weight, is made up of following raw material: methyl cellulose ether 16%, pva powder 15%, phenol-formaldehyde resin powder 21%, poly carboxylic acid sodium 13%, thionamic acid sodium 14%, nano silicon 21%.
Stirred by above-mentioned raw materials, levigate to 400 orders, mixing weighing is packaged as finished product, obtains complex slag water retention enhancing agents, measures respectively to add water to stir to use by mortar grade.Data are in table 1.
Embodiment 2
A kind of complex slag water retention enhancing agents, by the percentage composition of raw material gross weight, is made up of following raw material: function body material 75%, function subsidiary material 20%, function body material 5%.
Described function body material, by the percentage composition of raw material gross weight, is made up of following raw material: attapulgite 8%, kaolin 12%, zeolite powder (more than 400 orders, zeolite content more than 60%) 24%, wilkinite 11%, silicon powder 22%, vermiculite power 23%;
Described function subsidiary material are by the percentage composition of raw material gross weight, be made up of following raw material: Sunmorl N 60S 19%, fatty alcohol polyoxyethylene ether sulfate 21%, tripoly phosphate sodium STPP 9%, Zinic stearas 12%, glass fibre (3 millimeters of chopped strand technical fibers) 14%, wood fibre 25%;
Described function body material, by the percentage composition of raw material gross weight, is made up of following raw material: methyl cellulose ether 16%, pva powder 15%, phenol-formaldehyde resin powder 21%, poly carboxylic acid sodium 13%, thionamic acid sodium 14%, nano silicon 21%.
Stirred by above-mentioned raw materials, levigate to 400 orders, mixing weighing is packaged as finished product, obtains complex slag water retention enhancing agents, measures respectively to add water to stir to use by mortar grade.Data are in table 1.
Embodiment 3
A kind of complex slag water retention enhancing agents, by the percentage composition of raw material gross weight, is made up of following raw material: function body material 80%, function subsidiary material 14%, function body material 6%.
Described function body material, by the percentage composition of raw material gross weight, is made up of following raw material: attapulgite 8%, kaolin 12%, zeolite powder (more than 400 orders, zeolite content more than 60%) 24%, wilkinite 11%, silicon powder 22%, vermiculite power 23%;
Described function subsidiary material are by the percentage composition of raw material gross weight, be made up of following raw material: Sunmorl N 60S 19%, fatty alcohol polyoxyethylene ether sulfate 21%, tripoly phosphate sodium STPP 9%, Zinic stearas 12%, glass fibre (cutting technical fiber for 3 millimeters short) 14%, wood fibre 25%;
Described function body material, by the percentage composition of raw material gross weight, is made up of following raw material: methyl cellulose ether 16%, pva powder 15%, phenol-formaldehyde resin powder 21%, poly carboxylic acid sodium 13%, thionamic acid sodium 14%, nano silicon 21%.
Stirred by above-mentioned raw materials, levigate to 400 orders, mixing weighing is packaged as finished product, obtains complex slag water retention enhancing agents, measures respectively to add water to stir to use by mortar grade.Data are in table 1.
Table 1 embodiment data sheet
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a complex slag water retention enhancing agents, is characterized in that, by the percentage composition of raw material gross weight, is made up of following raw material:
Function body material 70 ~ 90%, function subsidiary material 1 ~ 20%, function body material 1 ~ 15%,
Wherein, described function body material is attapulgite, kaolin, zeolite powder, wilkinite, silicon powder, the mixture of one or more in vermiculite power,
Described function subsidiary material are the mixture of one or more in gluconate, fatty alcohol polyoxyethylene ether sulfate, phosphoric acid salt, soap, glass fibre, wood fibre,
Described function body material is the mixture of one or more in methyl cellulose ether, pva powder, phenol-formaldehyde resin powder, polycarboxylate, sulfamate, nano silicon.
2. a kind of complex slag water retention enhancing agents according to claim 1, is characterized in that, described function body material, by the degree of raw material gross weight, is made up of following raw material:
Attapulgite 10 ~ 35%, kaolin 10 ~ 25%, zeolite powder 10 ~ 40%, wilkinite 10 ~ 25%, silicon powder 10 ~ 45%, vermiculite power 10 ~ 40%.
3. a kind of complex slag water retention enhancing agents according to claim 1 and 2, is characterized in that, described function subsidiary material, by the percentage composition of raw material gross weight, are made up of following raw material:
Gluconate 10 ~ 22%, fatty alcohol polyoxyethylene ether sulfate 10 ~ 23%, phosphoric acid salt 10 ~ 15%, soap 10 ~ 30%, glass fibre 10 ~ 25%, wood fibre 10 ~ 35%.
4. a kind of complex slag water retention enhancing agents according to claim 3, is characterized in that, described function body material, by the percentage composition of raw material gross weight, is made up of following raw material:
Methyl cellulose ether 10 ~ 19%, pva powder 10 ~ 21%, phenol-formaldehyde resin powder 10 ~ 28%, polycarboxylate 10 ~ 22%, sulfamate 10 ~ 15%, nano silicon 10 ~ 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510038180.7A CN104556813B (en) | 2015-01-26 | 2015-01-26 | Composite mineral powder water retention reinforcing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510038180.7A CN104556813B (en) | 2015-01-26 | 2015-01-26 | Composite mineral powder water retention reinforcing agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104556813A true CN104556813A (en) | 2015-04-29 |
| CN104556813B CN104556813B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510038180.7A Expired - Fee Related CN104556813B (en) | 2015-01-26 | 2015-01-26 | Composite mineral powder water retention reinforcing agent |
Country Status (1)
| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844089A (en) * | 2015-04-30 | 2015-08-19 | 安徽鑫润新型材料有限公司 | Adhesive mortar and preparation method thereof |
| CN106082771A (en) * | 2016-06-24 | 2016-11-09 | 桂林华越环保科技有限公司 | Concrete water-retaining agent |
| CN106517863A (en) * | 2016-11-10 | 2017-03-22 | 申家海 | Dry-mixed mortar compound mineral powder plasticizer and preparing method and application thereof |
| CN107352837A (en) * | 2017-08-16 | 2017-11-17 | 柳州市天开企业管理有限公司 | A kind of concrete water-loss reducer |
| CN111825366A (en) * | 2020-08-12 | 2020-10-27 | 韩昌龙 | Concrete additive and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007721A (en) * | 2007-01-23 | 2007-08-01 | 潘传章 | Multifunctional additive for insulating dry-mixed motar |
| CN101696100A (en) * | 2009-09-25 | 2010-04-21 | 北京艺高世纪科技股份有限公司 | High-performance base mortar |
| CN101935185A (en) * | 2009-07-02 | 2011-01-05 | 余春冠 | Additive for preparing mortar from fine sand |
| CN102030493A (en) * | 2010-11-23 | 2011-04-27 | 北京住总集团有限责任公司 | Material for improving mortar coagulating time and operability and use method thereof |
| JP2012171805A (en) * | 2011-02-17 | 2012-09-10 | Ohbayashi Corp | High toughness, high strength mortar composition |
-
2015
- 2015-01-26 CN CN201510038180.7A patent/CN104556813B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007721A (en) * | 2007-01-23 | 2007-08-01 | 潘传章 | Multifunctional additive for insulating dry-mixed motar |
| CN101935185A (en) * | 2009-07-02 | 2011-01-05 | 余春冠 | Additive for preparing mortar from fine sand |
| CN101696100A (en) * | 2009-09-25 | 2010-04-21 | 北京艺高世纪科技股份有限公司 | High-performance base mortar |
| CN102030493A (en) * | 2010-11-23 | 2011-04-27 | 北京住总集团有限责任公司 | Material for improving mortar coagulating time and operability and use method thereof |
| JP2012171805A (en) * | 2011-02-17 | 2012-09-10 | Ohbayashi Corp | High toughness, high strength mortar composition |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844089A (en) * | 2015-04-30 | 2015-08-19 | 安徽鑫润新型材料有限公司 | Adhesive mortar and preparation method thereof |
| CN106082771A (en) * | 2016-06-24 | 2016-11-09 | 桂林华越环保科技有限公司 | Concrete water-retaining agent |
| CN106517863A (en) * | 2016-11-10 | 2017-03-22 | 申家海 | Dry-mixed mortar compound mineral powder plasticizer and preparing method and application thereof |
| CN106517863B (en) * | 2016-11-10 | 2018-10-02 | 申家海 | A kind of dry-mixed mortar complex slag plasticizer and its preparation method and application |
| CN107352837A (en) * | 2017-08-16 | 2017-11-17 | 柳州市天开企业管理有限公司 | A kind of concrete water-loss reducer |
| CN111825366A (en) * | 2020-08-12 | 2020-10-27 | 韩昌龙 | Concrete additive and preparation method thereof |
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| Publication number | Publication date |
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| CN104556813B (en) | 2016-08-24 |
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