CN103241983A - Preparation method of graphene oxide modified polycarboxylic acid type water-reducer - Google Patents

Preparation method of graphene oxide modified polycarboxylic acid type water-reducer Download PDF

Info

Publication number
CN103241983A
CN103241983A CN2013101921112A CN201310192111A CN103241983A CN 103241983 A CN103241983 A CN 103241983A CN 2013101921112 A CN2013101921112 A CN 2013101921112A CN 201310192111 A CN201310192111 A CN 201310192111A CN 103241983 A CN103241983 A CN 103241983A
Authority
CN
China
Prior art keywords
mass parts
reducer
graphene oxide
polycarboxylic acid
preparation
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.)
Granted
Application number
CN2013101921112A
Other languages
Chinese (zh)
Other versions
CN103241983B (en
Inventor
吕生华
马玉娟
周庆芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Keda New Material Group Co.,Ltd.
Original Assignee
Shaanxi University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaanxi University of Science and Technology filed Critical Shaanxi University of Science and Technology
Priority to CN201310192111.2A priority Critical patent/CN103241983B/en
Publication of CN103241983A publication Critical patent/CN103241983A/en
Application granted granted Critical
Publication of CN103241983B publication Critical patent/CN103241983B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Carbon And Carbon Compounds (AREA)

Abstract

The invention relates to a preparation method of a graphene oxide modified polycarboxylic acid type water-reducer. A polycarboxylic acid type water-reducer is a novel efficient water-reducer following a naphthalene type water-reducer, a melamine water-reducer and an amino sulfonic acid based water-reducer, but the mechanical property of concrete cannot be obviously improved by adding the polycarboxylic acid type water-reducer. The preparation method comprises the steps of preparing graphene oxide with natural flake graphite, sodium nitrate, concentrated sulfuric acid and potassium permanganate as raw materials; carrying out ultrasonic dispersion on the graphene oxide; and then adding the polycarboxylic acid type water-reducer with a certain proportion to form an intercalation compound of the graphene oxide and the polycarboxylic acid type water-reducer. With the adoption of the modified water-reducer, on the basisthat the existing water-reducing rate is kept, the flexural strength and the compressive strength of a cement-based composite are obviously strengthened, the relevant raw materials are easily obtained, a preparation technology is reasonable, pollution in a preparation process is little, the performance of products is excellent, and the graphene oxide modified polycarboxylic acid type water-reducer is suitable for industrial production.

Description

The preparation method of graphene oxide modified polycarboxylic acid based water reducer
Technical field
A kind of modified polycarboxylic acid based water reducer of the present invention is specifically related to a kind of preparation method of graphene oxide modified polycarboxylic acid based water reducer.
Background technology
Poly carboxylic acid series water reducer is the new and effective water reducer after naphthalene system, melamine system and amidosulfonic acid based water reducer.Poly carboxylic acid series water reducer is a kind of anionic polymeric surface active agent in itself, generally with sulfonic group and carboxyl as the major function group in the molecular structure, provide space steric effect with the polyoxyethylene segment, constitute complete pectination.It not only has, and volume is low, the water-reducing rate advantages of higher, can also improve concrete hole structure and compaction rate, be widely used in the engineering that highway, railway, bridge etc. have relatively high expectations to quality, be the key of high-performance green concrete development, but the adding of poly carboxylic acid series water reducer can not obviously improve mechanical properties of concrete.
Summary of the invention
The purpose of this invention is to provide a kind of preparation method that can significantly improve the graphene oxide modified polycarboxylic acid based water reducer of mechanical property after the cement solidification.
The technical solution adopted in the present invention is:
1, the preparation method of graphene oxide modified polycarboxylic acid based water reducer is characterized in that:
Realized by following steps:
Step 1: the preoxidation of graphite:
Be that 98% the vitriol oil, 2.5-3.5 mass parts Potassium Persulphate and 2.5-3.5 mass parts Vanadium Pentoxide in FLAKES join in the reactor successively with 20-30 mass parts, massfraction under agitation condition, be warmed up to 80 ℃, gradation under agitation adds 2-5 mass parts natural graphite raw material, be stirred to evenly, kept 6 hours down at 80 ℃, the filtered sample washing is extremely neutral up to solution, drying for standby;
Step 2: the preparation of graphene oxide:
Under condition of ice bath, with Graphite Powder 99 1.5 mass parts and 1 mass parts SODIUMNITRATE, 60 mass parts, massfraction is that 98% the vitriol oil joins in the reactor successively and mixes, stir the potassium permanganate that in 1 hour, adds the 6-10 mass parts down, be no more than under 5 ℃ the condition stirring reaction in temperature 1 hour, temperature is raised to 35-45 ℃ of stirring reaction 20-30 hour, the deionized water that adds the 400-500 mass parts, temperature is raised to 70-80 ℃ of reaction 30 minutes, the deionized water that adds the 200-300 mass parts again, with 30 mass parts, massfraction is that 30% hydrogen peroxide added in 30 minutes, solution becomes glassy yellow by brown, gained solution is down to room temperature and is carried out centrifugation, deionized water wash, be 7 until washings pH, with the ultrasonication of 350W 1 hour, gained solution is the graphite oxide aqueous solution, and the massfraction of control graphite oxide aqueous solution is 0.5%;
Step 3: the preparation of modified polycarboxylic acid based water reducer:
The massfraction that 10 mass parts graphene oxide solution is joined 90 mass parts, effective constituent is in the poly carboxylic acid series water reducer of 20 %, stirs and with ultrasonication 1 hour, obtains the modified polycarboxylic acid based water reducer.
In the step 3, poly carboxylic acid series water reducer is chosen the poly carboxylic acid series water reducer of being produced by the light building materials in Xi'an Engineering Co., Ltd.
The present invention has the following advantages:
The processing condition of graphene oxide provided by the invention are to prepare the graphene oxide of rich oxygen content (oxygen level is greater than 30%) and the mixture that forms with poly carboxylic acid series water reducer thereof, it is graphene oxide modified polycarboxylic acid based water reducer, water reducer after the modification is on the basis that keeps original water-reducing rate, make the bending and compressive strength of cement-base composite material obviously strengthen, the raw material that the present invention relates to is easy to get, and preparation technology is reasonable, and preparation process is polluted few, excellent product performance is fit to suitability for industrialized production.
Description of drawings
Fig. 1 is graphene oxide spectroscopy detection result.
Embodiment
The present invention will be described in detail below in conjunction with embodiment.
The invention provides rich oxygen content the graphene oxide dispersion liquid the preparation method and with poly carboxylic acid series water reducer method of modifying, the principle of modification mainly is that poly carboxylic acid series water reducer and rich oxygen content graphene oxide have formed intercalated compound, keep the original water-reducing property of poly carboxylic acid series water reducer, and can promote the cement-base composite material hydrated product form shape regular microcrystal, make high performance concrete reach and strengthen toughness reinforcing effect, significantly improved the mechanical property after the cement solidification.
The preparation method of the graphene oxide modified polycarboxylic acid based water reducer that the present invention relates to, realized by following steps:
Step 1: the preoxidation of graphite:
Be that 98% the vitriol oil, 2.5-3.5 mass parts Potassium Persulphate and 2.5-3.5 mass parts Vanadium Pentoxide in FLAKES join in the reactor successively with 20-30 mass parts, massfraction under agitation condition, be warmed up to 80 ℃, gradation under agitation adds 2-5 mass parts natural graphite raw material, be stirred to evenly, kept 6 hours down at 80 ℃, the filtered sample washing is extremely neutral up to solution, drying for standby;
Step 2: the preparation of graphene oxide:
Under condition of ice bath, with Graphite Powder 99 1.5 mass parts and 1 mass parts SODIUMNITRATE, 60 mass parts, massfraction is that 98% the vitriol oil joins in the reactor successively and mixes, stir the potassium permanganate that in 1 hour, adds the 6-10 mass parts down, be no more than under 5 ℃ the condition stirring reaction in temperature 1 hour, temperature is raised to 35-45 ℃ of stirring reaction 20-30 hour, the deionized water that adds the 400-500 mass parts, temperature is raised to 70-80 ℃ of reaction 30 minutes, the deionized water that adds the 200-300 mass parts again, with 30 mass parts, massfraction is that 30% hydrogen peroxide added in 30 minutes, solution becomes glassy yellow by brown, gained solution is down to room temperature and is carried out centrifugation, deionized water wash, be 7 until washings pH, with the ultrasonication of 350W 1 hour, gained solution is the graphite oxide aqueous solution, and the graphene oxide oxygen level is greater than 30%, and the massfraction of control graphite oxide aqueous solution is 0.5%;
Step 3: the preparation of modified polycarboxylic acid based water reducer:
The massfraction that 10 mass parts graphene oxide solution is joined 90 mass parts, effective constituent is in the poly carboxylic acid series water reducer of 20 %, stirs and with ultrasonication 1 hour, obtains the modified polycarboxylic acid based water reducer.
In the step 3, poly carboxylic acid series water reducer is chosen the poly carboxylic acid series water reducer of being produced by the light building materials in Xi'an Engineering Co., Ltd.
Embodiment 1:
Step 1: the preoxidation of graphite:
Be that 98% the vitriol oil, 2.5 mass parts Potassium Persulphates and 2.5 mass parts Vanadium Pentoxide in FLAKESs join in the reactor successively with 20 mass parts, massfraction under agitation condition, be warmed up to 80 ℃, gradation under agitation adds 2 mass parts natural graphite raw materials, be stirred to evenly, kept 6 hours down at 80 ℃, the filtered sample washing is extremely neutral up to solution, drying for standby;
Step 2: the preparation of graphene oxide:
Under condition of ice bath, with Graphite Powder 99 1.5 mass parts and 1 mass parts SODIUMNITRATE, 60 mass parts, massfraction is that 98% the vitriol oil joins in the reactor successively and mixes, stir the potassium permanganate that in 1 hour, adds 6 mass parts down, be no more than under 5 ℃ the condition stirring reaction in temperature 1 hour, temperature is raised to 35 ℃ of stirring reactions 20 hours, the deionized water that adds 400 mass parts, temperature is raised to 70 ℃ of reactions 30 minutes, the deionized water that adds 200 mass parts again, with 30 mass parts, massfraction is that 30% hydrogen peroxide added in 30 minutes, solution becomes glassy yellow by brown, gained solution is down to room temperature and is carried out centrifugation, deionized water wash, be 7 until washings pH, with the ultrasonication of 350W 1 hour, gained solution is the graphite oxide aqueous solution, and the massfraction of control graphite oxide aqueous solution is 0.5%;
Step 3: the preparation of modified polycarboxylic acid based water reducer:
The massfraction that 10 mass parts graphene oxide solution is joined 90 mass parts, effective constituent is in the poly carboxylic acid series water reducer of 20 %, stirs and with ultrasonication 1 hour, obtains the modified polycarboxylic acid based water reducer.
In the step 3, poly carboxylic acid series water reducer is chosen the poly carboxylic acid series water reducer of being produced by the light building materials in Xi'an Engineering Co., Ltd.
Embodiment 2:
Step 1: the preoxidation of graphite:
Be that 98% the vitriol oil, 3 mass parts Potassium Persulphates and 3 mass parts Vanadium Pentoxide in FLAKESs join in the reactor successively with 25 mass parts, massfraction under agitation condition, be warmed up to 80 ℃, gradation under agitation adds 4 mass parts natural graphite raw materials, be stirred to evenly, kept 6 hours down at 80 ℃, the filtered sample washing is extremely neutral up to solution, drying for standby;
Step 2: the preparation of graphene oxide:
Under condition of ice bath, with Graphite Powder 99 1.5 mass parts and 1 mass parts SODIUMNITRATE, 60 mass parts, massfraction is that 98% the vitriol oil joins in the reactor successively and mixes, stir the potassium permanganate that in 1 hour, adds 8 mass parts down, be no more than under 5 ℃ the condition stirring reaction in temperature 1 hour, temperature is raised to 40 ℃ of stirring reactions 25 hours, the deionized water that adds 450 mass parts, temperature is raised to 75 ℃ of reactions 30 minutes, the deionized water that adds 250 mass parts again, with 30 mass parts, massfraction is that 30% hydrogen peroxide added in 30 minutes, solution becomes glassy yellow by brown, gained solution is down to room temperature and is carried out centrifugation, deionized water wash, be 7 until washings pH, with the ultrasonication of 350W 1 hour, gained solution is the graphite oxide aqueous solution, and the massfraction of control graphite oxide aqueous solution is 0.5%;
Step 3: the preparation of modified polycarboxylic acid based water reducer:
The massfraction that 10 mass parts graphene oxide solution is joined 90 mass parts, effective constituent is in the poly carboxylic acid series water reducer of 20 %, stirs and with ultrasonication 1 hour, obtains the modified polycarboxylic acid based water reducer.
In the step 3, poly carboxylic acid series water reducer is chosen the poly carboxylic acid series water reducer of being produced by the light building materials in Xi'an Engineering Co., Ltd.
Product performance test of the present invention:
(USA) detected result as shown in Figure 1 for EDS, EDAX for the X-gamma spectrometer.The graphene oxide oxygen level 34.37% of the present invention's preparation.
The concrete application:
Pressure-proof and snap-resistent intensity experiment: the anti-folding, the ultimate compression strength that have detected cement mortar according to GB/T 50080-2002.Standard sand is produced by Xiamen standard sand factory, meets ISO benchmark sand size distribution and moisture content requirement, the renown cement (P.O 42.5R) that cement adopts Shaanxi renown cement limited-liability company to produce.Mortar is to be puddled by 450 gram cement, 1350 gram standard sands and 150 gram water and water reducer to form.Water reducer is respectively poly carboxylic acid series water reducer (the light building materials in Xi'an Engineering Co., Ltd produces, content 20%) and this patent product, the results are shown in Table 1.
Figure 2013101921112100002DEST_PATH_IMAGE002
It is cited that content of the present invention is not limited to embodiment, and the conversion of any equivalence that those of ordinary skills take technical solution of the present invention by reading specification sheets of the present invention is claim of the present invention and contains.

Claims (2)

1. the preparation method of graphene oxide modified polycarboxylic acid based water reducer is characterized in that:
Realized by following steps:
Step 1: the preoxidation of graphite:
Be that 98% the vitriol oil, 2.5-3.5 mass parts Potassium Persulphate and 2.5-3.5 mass parts Vanadium Pentoxide in FLAKES join in the reactor successively with 20-30 mass parts, massfraction under agitation condition, be warmed up to 80 ℃, gradation under agitation adds 2-5 mass parts natural graphite raw material, be stirred to evenly, kept 6 hours down at 80 ℃, the filtered sample washing is extremely neutral up to solution, drying for standby;
Step 2: the preparation of graphene oxide:
Under condition of ice bath, with Graphite Powder 99 1.5 mass parts and 1 mass parts SODIUMNITRATE, 60 mass parts, massfraction is that 98% the vitriol oil joins in the reactor successively and mixes, stir the potassium permanganate that in 1 hour, adds the 6-10 mass parts down, be no more than under 5 ℃ the condition stirring reaction in temperature 1 hour, temperature is raised to 35-45 ℃ of stirring reaction 20-30 hour, the deionized water that adds the 400-500 mass parts, temperature is raised to 70-80 ℃ of reaction 30 minutes, the deionized water that adds the 200-300 mass parts again, with 30 mass parts, massfraction is that 30% hydrogen peroxide added in 30 minutes, solution becomes glassy yellow by brown, gained solution is down to room temperature and is carried out centrifugation, deionized water wash, be 7 until washings pH, with the ultrasonication of 350W 1 hour, gained solution is the graphite oxide aqueous solution, and the massfraction of control graphite oxide aqueous solution is 0.5%;
Step 3: the preparation of modified polycarboxylic acid based water reducer:
The massfraction that 10 mass parts graphene oxide solution is joined 90 mass parts, effective constituent is in the poly carboxylic acid series water reducer of 20 %, stirs and with ultrasonication 1 hour, obtains the modified polycarboxylic acid based water reducer.
2. the preparation method of graphene oxide modified polycarboxylic acid based water reducer according to claim 1 is characterized in that:
In the step 3, poly carboxylic acid series water reducer is chosen the poly carboxylic acid series water reducer of being produced by the light building materials in Xi'an Engineering Co., Ltd.
CN201310192111.2A 2013-05-22 2013-05-22 Preparation method of graphene oxide modified polycarboxylic acid type water-reducer Active CN103241983B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310192111.2A CN103241983B (en) 2013-05-22 2013-05-22 Preparation method of graphene oxide modified polycarboxylic acid type water-reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310192111.2A CN103241983B (en) 2013-05-22 2013-05-22 Preparation method of graphene oxide modified polycarboxylic acid type water-reducer

Publications (2)

Publication Number Publication Date
CN103241983A true CN103241983A (en) 2013-08-14
CN103241983B CN103241983B (en) 2014-07-16

Family

ID=48921893

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310192111.2A Active CN103241983B (en) 2013-05-22 2013-05-22 Preparation method of graphene oxide modified polycarboxylic acid type water-reducer

Country Status (1)

Country Link
CN (1) CN103241983B (en)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103539108A (en) * 2013-10-22 2014-01-29 泰山医学院 Method for preparing graphene oxide
CN104876204A (en) * 2015-05-21 2015-09-02 东南大学 Method for modifying graphene oxide
CN105271191A (en) * 2015-10-13 2016-01-27 华南理工大学 Reduced graphene oxide as well as preparation method and application thereof
CN105541210A (en) * 2015-12-28 2016-05-04 四川碳世界科技有限公司 Graphene oxide concrete
CN105731933A (en) * 2016-03-01 2016-07-06 青岛华高墨烯科技股份有限公司 Preparation method of graphene oxide/high-strength concrete composite material
CN105731861A (en) * 2016-02-19 2016-07-06 陕西科技大学 Oxidized graphene surface molecular imprinting compound material used for tracking polycarboxylate-type water reducer and preparation method thereof
CN106007450A (en) * 2016-03-24 2016-10-12 东南大学 Modified graphene oxide cement concrete early strength agent and application thereof
CN106045430A (en) * 2016-06-08 2016-10-26 新疆青水立源工程检测有限公司 Cementing material for PCCP (prestressed concrete cylinder pipe) injecting mortar layer and production method of cementing material
CN106045435A (en) * 2016-06-08 2016-10-26 新疆研科节能科技有限公司 Non-cement-based cementitious material for 3D printing and preparation method of non-cement-based cementitious material
CN106478895A (en) * 2016-10-09 2017-03-08 武汉工程大学 Compound polycarboxylate water-reducer of a kind of graphene oxide and preparation method thereof
CN106496438A (en) * 2016-10-09 2017-03-15 武汉海剑环保材料有限公司 A kind of amidatioon graphene oxide modified polycarboxylic acid water reducer and preparation method thereof
CN106587714A (en) * 2016-12-08 2017-04-26 江苏苏博特新材料股份有限公司 Crack-resistant penetration-resistant agent for concrete and preparation method of crack-resistant penetration-resistant agent for concrete
CN106746834A (en) * 2016-11-28 2017-05-31 中铁十二局集团有限公司 A kind of graphene-based nanocrystal class early strength agent and preparation method thereof
CN106810101A (en) * 2015-12-01 2017-06-09 济南大学 The preparation method of graphene oxide enhanced cement grinding aid
CN107539984A (en) * 2017-10-19 2018-01-05 苏州方卓材料科技有限公司 The preparation method of graphite material
CN109179386A (en) * 2018-10-15 2019-01-11 陕西科技大学 A kind of minuent stannic oxide/graphene nano lamella powder and the preparation method and application thereof
CN110395951A (en) * 2018-04-25 2019-11-01 陕西燕园众欣石墨烯科技有限公司 A kind of graphene concrete composite material of chloride-penetration resistance and preparation method thereof
CN111138150A (en) * 2020-01-09 2020-05-12 新疆宏宇志祥工程咨询有限公司 Preparation method of graphene oxide/carbon nanotube high-strength building concrete
CN111170699A (en) * 2020-02-17 2020-05-19 佛山高途新材料科技有限公司 Environment-friendly graphene oxide concrete and preparation method thereof
CN111377694A (en) * 2020-05-11 2020-07-07 西安建筑科技大学 Graphene oxide modified raw soil-based material and nano-modification method thereof
CN113248206A (en) * 2021-05-31 2021-08-13 扬州工业职业技术学院 Cement-based polyurethane composite insulation board and preparation method thereof
CN114230222A (en) * 2021-11-16 2022-03-25 广州盛门新材料科技有限公司 Polycarboxylate superplasticizer graphene additive and preparation method thereof
CN114315380A (en) * 2022-01-11 2022-04-12 贵州万为金科特种建材有限公司 Green environment-friendly chromium-removing ceramic water reducing agent
RU2783099C2 (en) * 2021-03-24 2022-11-08 ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ УЧРЕЖДЕНИЕ "РОССИЙСКИЙ НАУЧНЫЙ ЦЕНТР РАДИОЛОГИИ И ХИРУРГИЧЕСКИХ ТЕХНОЛОГИЙ ИМЕНИ АКАДЕМИКА А.М. ГРАНОВА" МИНИСТЕРСТВА ЗДРАВООХРАНЕНИЯ РОССИЙСКОЙ ФЕДЕРАЦИИ / ФГБУ "РНЦРХТ им. академика А.М. Гранова" Минздрава России Method for scaling synthesis of graphene oxide
CN117819864A (en) * 2024-03-04 2024-04-05 四川蜀道建筑科技有限公司 Polycarboxylic acid high-performance water reducer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102093519A (en) * 2010-12-06 2011-06-15 江苏汇迪建材有限公司 Preparation method of mud-resistant type polycarboxylate superplasticizer
CN102604005A (en) * 2012-01-13 2012-07-25 陕西科技大学 Preparation method of strengthening and toughening polycarboxylate water reducing agent

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102093519A (en) * 2010-12-06 2011-06-15 江苏汇迪建材有限公司 Preparation method of mud-resistant type polycarboxylate superplasticizer
CN102604005A (en) * 2012-01-13 2012-07-25 陕西科技大学 Preparation method of strengthening and toughening polycarboxylate water reducing agent

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103539108B (en) * 2013-10-22 2016-01-20 泰山医学院 A kind of method preparing graphene oxide
CN103539108A (en) * 2013-10-22 2014-01-29 泰山医学院 Method for preparing graphene oxide
CN104876204B (en) * 2015-05-21 2017-03-01 东南大学 A kind of method of modifying of graphene oxide
CN104876204A (en) * 2015-05-21 2015-09-02 东南大学 Method for modifying graphene oxide
CN105271191A (en) * 2015-10-13 2016-01-27 华南理工大学 Reduced graphene oxide as well as preparation method and application thereof
CN105271191B (en) * 2015-10-13 2018-06-22 华南理工大学 A kind of redox graphene and preparation method and application
CN106810101A (en) * 2015-12-01 2017-06-09 济南大学 The preparation method of graphene oxide enhanced cement grinding aid
CN106810101B (en) * 2015-12-01 2019-03-01 济南大学 The preparation method of graphene oxide enhanced cement grinding aid
CN105541210A (en) * 2015-12-28 2016-05-04 四川碳世界科技有限公司 Graphene oxide concrete
CN105731861A (en) * 2016-02-19 2016-07-06 陕西科技大学 Oxidized graphene surface molecular imprinting compound material used for tracking polycarboxylate-type water reducer and preparation method thereof
CN105731933A (en) * 2016-03-01 2016-07-06 青岛华高墨烯科技股份有限公司 Preparation method of graphene oxide/high-strength concrete composite material
CN106007450A (en) * 2016-03-24 2016-10-12 东南大学 Modified graphene oxide cement concrete early strength agent and application thereof
CN106045435A (en) * 2016-06-08 2016-10-26 新疆研科节能科技有限公司 Non-cement-based cementitious material for 3D printing and preparation method of non-cement-based cementitious material
CN106045430A (en) * 2016-06-08 2016-10-26 新疆青水立源工程检测有限公司 Cementing material for PCCP (prestressed concrete cylinder pipe) injecting mortar layer and production method of cementing material
CN106478895A (en) * 2016-10-09 2017-03-08 武汉工程大学 Compound polycarboxylate water-reducer of a kind of graphene oxide and preparation method thereof
CN106496438A (en) * 2016-10-09 2017-03-15 武汉海剑环保材料有限公司 A kind of amidatioon graphene oxide modified polycarboxylic acid water reducer and preparation method thereof
CN106496438B (en) * 2016-10-09 2018-09-28 武汉海剑环保材料有限公司 A kind of amidation graphene oxide modified polycarboxylic acid water-reducing agent and preparation method thereof
CN106478895B (en) * 2016-10-09 2019-02-01 武汉工程大学 A kind of compound polycarboxylate water-reducer of graphene oxide and preparation method thereof
CN106746834A (en) * 2016-11-28 2017-05-31 中铁十二局集团有限公司 A kind of graphene-based nanocrystal class early strength agent and preparation method thereof
CN106746834B (en) * 2016-11-28 2018-12-14 中铁十二局集团有限公司 A kind of graphene-based nanocrystal class early strength agent and preparation method thereof
CN106587714A (en) * 2016-12-08 2017-04-26 江苏苏博特新材料股份有限公司 Crack-resistant penetration-resistant agent for concrete and preparation method of crack-resistant penetration-resistant agent for concrete
CN106587714B (en) * 2016-12-08 2019-08-20 江苏苏博特新材料股份有限公司 A kind of concrete anticracking impervious agent and preparation method thereof
CN107539984A (en) * 2017-10-19 2018-01-05 苏州方卓材料科技有限公司 The preparation method of graphite material
CN110395951A (en) * 2018-04-25 2019-11-01 陕西燕园众欣石墨烯科技有限公司 A kind of graphene concrete composite material of chloride-penetration resistance and preparation method thereof
CN109179386A (en) * 2018-10-15 2019-01-11 陕西科技大学 A kind of minuent stannic oxide/graphene nano lamella powder and the preparation method and application thereof
CN109179386B (en) * 2018-10-15 2020-06-02 陕西科技大学 Low-degree graphene oxide nanosheet layer powder and preparation method and application thereof
CN111138150A (en) * 2020-01-09 2020-05-12 新疆宏宇志祥工程咨询有限公司 Preparation method of graphene oxide/carbon nanotube high-strength building concrete
CN111170699A (en) * 2020-02-17 2020-05-19 佛山高途新材料科技有限公司 Environment-friendly graphene oxide concrete and preparation method thereof
CN111377694A (en) * 2020-05-11 2020-07-07 西安建筑科技大学 Graphene oxide modified raw soil-based material and nano-modification method thereof
RU2783099C2 (en) * 2021-03-24 2022-11-08 ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ БЮДЖЕТНОЕ УЧРЕЖДЕНИЕ "РОССИЙСКИЙ НАУЧНЫЙ ЦЕНТР РАДИОЛОГИИ И ХИРУРГИЧЕСКИХ ТЕХНОЛОГИЙ ИМЕНИ АКАДЕМИКА А.М. ГРАНОВА" МИНИСТЕРСТВА ЗДРАВООХРАНЕНИЯ РОССИЙСКОЙ ФЕДЕРАЦИИ / ФГБУ "РНЦРХТ им. академика А.М. Гранова" Минздрава России Method for scaling synthesis of graphene oxide
CN113248206A (en) * 2021-05-31 2021-08-13 扬州工业职业技术学院 Cement-based polyurethane composite insulation board and preparation method thereof
CN114230222A (en) * 2021-11-16 2022-03-25 广州盛门新材料科技有限公司 Polycarboxylate superplasticizer graphene additive and preparation method thereof
CN114315380A (en) * 2022-01-11 2022-04-12 贵州万为金科特种建材有限公司 Green environment-friendly chromium-removing ceramic water reducing agent
CN117819864A (en) * 2024-03-04 2024-04-05 四川蜀道建筑科技有限公司 Polycarboxylic acid high-performance water reducer
CN117819864B (en) * 2024-03-04 2024-05-14 四川蜀道建筑科技有限公司 Polycarboxylic acid high-performance water reducer

Also Published As

Publication number Publication date
CN103241983B (en) 2014-07-16

Similar Documents

Publication Publication Date Title
CN103241983B (en) Preparation method of graphene oxide modified polycarboxylic acid type water-reducer
CN102604005B (en) Preparation method of strengthening and toughening polycarboxylate water reducing agent
CN104085969B (en) Spent acid is utilized to produce the method for compound polynary flocculant poly silicic acid chloro sulphuric acid ferro-aluminum
CN103435288A (en) Novel grinding enhancer and preparation and application thereof
CN105731933A (en) Preparation method of graphene oxide/high-strength concrete composite material
CN102701221B (en) Method for preparing nano white carbon black from coal gangue
CN105836804B (en) A kind of graded structure carbon intercalation MoS2@rGO preparation method
CN104401980A (en) Hydrothermal preparation method of Fe2O3-SnO2/graphene ternary composite nano-material
CN102503266B (en) Light-weight heat-preservation wall body material mixed with iron tailings at large proportion and preparation method thereof
CN103072980A (en) Method for quickly preparing graphene sheets
CN102390841B (en) Preparation method of loose sericite powder
CN103693886A (en) Slag compound activating grinding aid and preparation method thereof
CN100450957C (en) Method of producing naphthalene series water reducing agent by refined naphthalene residual oil fraction
CN104072052A (en) Nanometer SiO2 strengthening styrene-acrylic emulsion modified mortar
CN103979845B (en) A kind of water-proof concrete and preparation method thereof
CN102092979B (en) Sulfamate water-reducing agent and preparation method thereof
CN102173632A (en) Composite plastic-retaining grinding aid for cement and use method
CN104230199B (en) Scrap leather is utilized to consider cement water reducing agent of preparation and preparation method thereof to be worth doing
CN103979851B (en) A kind of Modification of kaolin concrete and preparation method thereof
CN101624517B (en) Ferrimanganic lignosulfonate diluent agent for drilling fluid and preparation process thereof
CN106810101B (en) The preparation method of graphene oxide enhanced cement grinding aid
CN101948332A (en) Steam-curing-free foam concrete building block and preparation method thereof
CN104405831A (en) Reverse dual-output transmission
CN102503267A (en) Flame-retardant type light-weight heat-preservation wall body material mixed with iron tailings and preparation method thereof
CN101575752B (en) Interfacial synthesis method of conductive polymer/silver chloride compound nanofiber

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20171120

Address after: No. 9, two street, Liang Ling Road, LIANG Qing District, Nanning, the Guangxi Zhuang Autonomous Region

Patentee after: Guangxi Koda Building Materials Chemical Co.,Ltd.

Address before: Qingxiu District Dong Ge road Nanning 530000 the Guangxi Zhuang Autonomous Region No. 29-1 and No. 1 Building No. 2512, Central Park

Patentee before: Nanning Guangxi new friend Intellectual Property Agency Co.,Ltd.

Effective date of registration: 20171120

Address after: Qingxiu District Dong Ge road Nanning 530000 the Guangxi Zhuang Autonomous Region No. 29-1 and No. 1 Building No. 2512, Central Park

Patentee after: Nanning Guangxi new friend Intellectual Property Agency Co.,Ltd.

Address before: 710021 Shaanxi city of Xi'an province Weiyang University City

Patentee before: SHAANXI University OF SCIENCE & TECHNOLOGY

TR01 Transfer of patent right
CP03 Change of name, title or address

Address after: No. 9, Liangling Second Street, Nanning District, China (Guangxi) Pilot Free Trade Zone, Nanning, Guangxi Zhuang Autonomous Region 530219

Patentee after: Guangxi Keda New Material Group Co.,Ltd.

Address before: 530000 No.9, 2nd Street, Liangling Road, Liangqing District, Nanning City, Guangxi Zhuang Autonomous Region

Patentee before: Guangxi Koda Building Materials Chemical Co.,Ltd.

CP03 Change of name, title or address