CN109320129A - A kind of lignocellulose type cement grinding aid and preparation method thereof - Google Patents
A kind of lignocellulose type cement grinding aid and preparation method thereof Download PDFInfo
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- CN109320129A CN109320129A CN201811227246.7A CN201811227246A CN109320129A CN 109320129 A CN109320129 A CN 109320129A CN 201811227246 A CN201811227246 A CN 201811227246A CN 109320129 A CN109320129 A CN 109320129A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/52—Grinding aids; Additives added during grinding
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Abstract
The invention discloses a kind of lignocellulose type cement grinding aids and preparation method thereof.The cement grinding aid is according to parts by weight, including following components: biological lignocellulosic 20-30 parts, 10-20 parts of microcrystalline cellulose, 10-18 parts of hydroxypropyl methylcellulose, 2-5 parts of polyethylene glycol, 2-4 parts of sodium tripolyphosphate, 1-3 parts of calcium formate, 5-15 parts of lignosulfonates, 0.1-1 parts of disodium ethylene diamine tetraacetate, 10-15 parts of alcamine compound.The lignocellulose type cement grinding aid, for main core material, reduces the dependence to fossil feedstock, raw material sources are extensive, more environmentally-friendly with processed lignocellulosic；Applied in cement grinding, can be improved 10% or more cement unit-hour output, clinker usage amount is reduced, kWh/ tons of power saving 4.2 or more, the intensity for the cement that grinding obtains increases by 10% or more, and the cement grinding aid preparation method is simple, it is easy to accomplish large-scale industrial production.
Description
Technical field
The present invention relates to cement grinding aid technical fields, and in particular to a kind of lignocellulose type cement grinding aid and its system
Preparation Method.
Background technique
Cement grinding aid is a kind of for improving the chemical addition agent of cement grinding effect and performance, can significantly improve water
Mud unit-hour output, each age strength of cement, improve its mobility.Cement grinding aid can be greatly lowered to be formed in grinding process
Electrostatic Absorption bag ball phenomenon, and the coalescence trend again of the ultra-fine grain formed in grinding process can be reduced.Cement grinding aid
Also cement fluidity can be significantly improved, the grinding effect of grinding machine and the grinding efficiency of powder concentrator are improved, to reduce grinding energy.
There is lower compacting coalescence trend using the cement that grinding aid produces, to be conducive to the handling of cement, and cement can be reduced
The wall built-up phenomenon in library reduces clinker usage amount.As a kind of chemical addition agent, cement grinding aid can improve cement granules point
Cloth simultaneously excites aquation power, to improve cement early strength and later strength.
Diethanol monoisopropanolamine is that existing cement grinding aid is main as environmentally protective novel grinding aid raw material
Core material has good compatibility with triethanolamine, triisopropanolamine and other alcohol, amine, lipid material, helps in production
Can be used alone when grinding agent or with other substance compatible uses.However, no matter it is existing with diethanol monoisopropanolamine be main
The cement grinding aid of core material, or tradition are the cement of main core material with triethanolamine and triisopropanolamine
Agent all excessively relies on fossil feedstock.Therefore, set about from source biomass raw material, study non-fossil raw material and more environmentally friendly, grinding aid
Can more preferably cement grinding aid have great importance.
Lignocellulosic has good flexibility, not perishable, and refinement material can be assisted during rubbing.Together
When, lignocellulosic is natural reproducible raw material, from a wealth of sources and nontoxic, tasteless, pollution-free, "dead".
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of lignocellulose type cement grinding aid.
The cement grinding aid, for main core material, reduces the dependence to fossil feedstock, and raw material sources with biological lignocellulosic
More extensively, more environmentally friendly, grinding aid performance is more preferably.
The object of the invention is also to provide a kind of methods for preparing lignocellulose type cement grinding aid described above.
A kind of lignocellulose type cement grinding aid includes following components in parts by weight:
Biological lignocellulosic 20-30 parts, 10-20 parts of microcrystalline cellulose, 10-18 parts of hydroxypropyl methylcellulose, polyethylene glycol 2-5
Part, 2-4 parts of sodium tripolyphosphate, 1-3 parts of calcium formate, 5-15 parts of lignosulfonates, 0.1-1 parts of disodium ethylene diamine tetraacetate, alcohol
10-15 parts of aminated compounds；
The biology lignocellulosic is prepared by lignocellulosic by catalyzing hydrolysis, enzymatic hydrolysis or pyrolysis.
Preferably, a kind of lignocellulose type cement grinding aid includes following components in parts by weight:
30 parts of biological lignocellulosic, 15 parts of microcrystalline cellulose, 15 parts of hydroxypropyl methylcellulose, 2 parts of polyethylene glycol, sodium tripolyphosphate
2 parts, 2 parts of calcium formate, 8 parts of lignosulfonates, 0.3 part of disodium ethylene diamine tetraacetate, 12 parts of alcamine compound；
The biology lignocellulosic is prepared by lignocellulosic by catalyzing hydrolysis or enzymatic hydrolysis.
Preferably, the lignocellulosic includes draft lignocellulosic, including rice straw fiber, bamboo fibre and Wheat straw fiber
One or more of.
It preferably, include 40 ~ 50wt% of cellulose, 15 ~ 20wt% of lignin and half fiber in the biological lignocellulosic
Tie up 25 ~ 35wt% of element.
Preferably, the catalyzing hydrolysis is: lignocellulosic is mixed with dilute acid soln by solid-liquid ratio 1:8 ~ 12g/mL
It after even, is stored at room temperature 1 ~ 2 hour, centrifugation, clear water washing are dry.
It is furthermore preferred that the dilute acid soln includes one of the aqueous solution of sulfuric acid, hydrochloric acid and formic acid, mass concentration is
15%~30%。
Preferably, the enzymatic hydrolysis is: after mixing by solid-liquid ratio 1:5 ~ 10g/mL by lignocellulosic and water, being added fine
Plain enzyme is tieed up, mixes, is stored at room temperature 0.5 ~ 2 hour, centrifugation, clear water washing are dry.
It is furthermore preferred that the additional amount of the cellulase be the total system quality of lignocellulosic and water 0.05 ~
0.2wt%。
Preferably, the pyrolysis is: after mixing by solid-liquid ratio 1:15 ~ 20g/mL by lignocellulosic and water, heating
1 ~ 3 hour is stood after to 85 ~ 100 DEG C, centrifugation, clear water washing are dry.
Preferably, the lignosulfonates include in sodium lignin sulfonate, calcium lignosulfonate or magnesium lignosulfonate
More than one.
It is furthermore preferred that the lignosulfonates be wood pulp, bamboo pulp or straw pulp spentsulfiteliquor enriched product, and
Solid content mass percent is 96% or more.
Preferably, the alcamine compound includes monoethanolamine, diethanol amine, triethanolamine, triisopropanolamine, three changes
Hydramine and three changes one or more of isopropanolamine.
In lignocellulose type cement grinding aid of the invention, using processed biological lignocellulosic as essential core original
Material, it is from a wealth of sources, there is preferable flexibility, grinding can preferably be assisted by making an addition in grinding aid.Microcrystalline cellulose is
Cellulose crystallite powder be made of small porous particle, purifying, part depolymerization, it is white, odorless, tasteless, have preferable anti-
Knot, thermostabilization and rapid draing performance can assist grinding with biological lignocellulosic, while can reduce the condensation of grinding aid
Property, so that grinding aid is kept dry and is easy to add.Hydroxypropyl methylcellulose has good water-retaining property and retarding effect, can be effective
The usage amount of clinker is reduced, and makes the cement after grinding that there is good smear, while it is hard effectively to enhance cement
Intensity after change.Polyethylene glycol has the property well to mix with each component, can disperse each component in system.And it is wooden
Plain sulfonate is anionic surfactant, has very strong dispersibility, can be further effective by solid component therein
It is uniformly dispersed, to be conducive to the cross-linked polymeric of cellulose solids component.Calcium formate has acidity, can make finely dispersed fiber
Element carries out cross-linked polymeric by reaction.Sodium tripolyphosphate energy and disodium ethylene diamine tetraacetate can be to the pH of whole grinding aid system
Value is adjusted, and has the effect of preferably being retained and controlling reaction speed.
The method for preparing lignocellulose type cement grinding aid described in any of the above embodiments, includes the following steps:
(1) by polyethylene glycol and alcamine compound after 70 ~ 80 DEG C of heating mix, it is fine that biological lignocellulosic, crystallite is added
Dimension element and hydroxypropyl methylcellulose, stir evenly；
(2) it is warming up to 80 ~ 90 DEG C again, and sequentially adds lignosulfonates, calcium formate sodium tripolyphosphate and ethylenediamine tetra-acetic acid
Disodium continues at 80 ~ 90 DEG C and keeps the temperature 1 ~ 2 hour；The lignosulfonates are in the form of concentration is the aqueous solution of 20 ~ 30wt%
It is added；
(3) after keeping the temperature, it is down to room temperature, is discharged, it is dry, obtain the lignocellulose type cement grinding aid.
Compared with prior art, the invention has the advantages that and the utility model has the advantages that
(1) lignocellulose type cement grinding aid of the invention is reduced with processed lignocellulosic for main core material
Dependence to fossil feedstock, raw material sources are more extensive, more environmentally-friendly；
(2) lignocellulose type cement grinding aid of the invention be applied to cement grinding, can be improved cement unit-hour output 10% with
On, the intensity for reducing the cement that clinker usage amount, kWh/ tons of power saving 4.2 or more, and grinding obtain increases by 10% or more；
(3) preparation method of lignocellulose type cement grinding aid of the invention is simple, and low energy consumption, it is easy to accomplish large-scale industry
Metaplasia produces.
Detailed description of the invention
Fig. 1 is the yield column that the grinding sample of cement grinding aid and the different cement grinding aids of addition is not added in embodiment 1
Shape figure；
Fig. 3 is that the clinker of the grinding sample for the cement grinding aid for being not added with cement grinding aid in embodiment 2 and adding embodiment 2 makes
Dosage histogram；
Fig. 2 is the yield column of the grinding sample for the cement grinding aid for being not added with cement grinding aid in embodiment 2 and adding embodiment 2
Shape figure.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with specific embodiments and drawings, but the present invention
Protection scope and embodiment it is without being limited thereto.
Embodiment 1
A kind of lignocellulose type cement grinding aid includes following components in parts by weight:
30 parts of biological lignocellulosic, 15 parts of microcrystalline cellulose, 15 parts of hydroxypropyl methylcellulose, 2 parts of polyethylene glycol PEG200, three
2 parts of polyphosphate sodium, 2 parts of calcium formate, sodium lignin sulfonate (wood pulp sodium sulfite pulping waste liquor enriched product, solid content quality hundred
Divide ratio for 96.3%) 8 parts, 0.3 part of disodium ethylene diamine tetraacetate, 12 parts of triethanolamine；
Wherein, biological lignocellulosic is that rice straw cellulose is prepared by catalyzing hydrolysis, specific as follows:
After mixing by solid-liquid ratio 1:12g/mL by rice straw cellulose and dilute hydrochloric acid solution (mass concentration 15%), room temperature is quiet
It sets 1 hour, centrifugation, clear water washing are dry, biological lignocellulosic needed for obtaining.
It include cellulose 42wt%, lignin 20wt% and hemicellulose 28wt% in biological lignocellulosic.
Above-mentioned lignocellulose type cement grinding aid is prepared, is specifically comprised the following steps:
(1) by polyethylene glycol PEG200 and triethanolamine after 70 DEG C of heating mix, biological lignocellulosic, microcrystalline cellulose is added
Element and hydroxypropyl methylcellulose, stir evenly；
(2) it is warming up to 80 DEG C again, and sequentially adds sodium lignin sulfonate, calcium formate, sodium tripolyphosphate and ethylenediamine tetra-acetic acid two
Sodium, wherein sodium lignin sulfonate is added in the form of concentration is the aqueous solution of 30wt%, continues at 80 DEG C and keeps the temperature 2 hours；
(3) after step (2) heat preservation, it is down to room temperature, discharges, obtains the lignocellulose type cement grinding aid.
Above-mentioned lignocellulose type cement grinding aid is applied to cement grinding, clinker usage amount reduces 5.0%, water
Mud intensity increases 18%；And powder effect can be improved water as shown in Figure 1, compared with the blank sample for being not added with cement grinding aid
Mud unit-hour output 12.3%, and 4.4 kWh/ tons of power saving；Moreover, cement unit-hour output is higher than addition W. R. Grace & Co of U.S. board
Number be TDA730 type cement grinding aid cement grinding sample.
Embodiment 2
A kind of lignocellulose type cement grinding aid includes following components in parts by weight:
23 parts of biological lignocellulosic, 10 parts of microcrystalline cellulose, 10 parts of hydroxypropyl methylcellulose, 5 parts of polyethylene glycol PEG400, three
4 parts of polyphosphate sodium, 3 parts of calcium formate, magnesium lignosulfonate (bamboo pulp magnesium sulfite pulping waste liquor enriched product, solid content quality hundred
Divide ratio for 96.8%) 15 parts, 0.1 part of disodium ethylene diamine tetraacetate, 10 parts of triethanolamine, 5 parts of triisopropanolamine；
Wherein, biological lignocellulosic is that Wheat straw fiber element is prepared by catalyzing hydrolysis, specific as follows:
After mixing by solid-liquid ratio 1:8g/mL by Wheat straw fiber element and dilution heat of sulfuric acid (mass concentration 18%), it is stored at room temperature
2 hours, centrifugation, clear water washing were dry, biological lignocellulosic needed for obtaining.
It include cellulose 45wt%, lignin 18wt% and hemicellulose 28wt% in biological lignocellulosic.
Above-mentioned lignocellulose type cement grinding aid is prepared, is specifically comprised the following steps:
(1) by polyethylene glycol PEG400, triethanolamine and triisopropanolamine after 80 DEG C of heating mix, biological wood fibre is added
Element, microcrystalline cellulose and hydroxypropyl methylcellulose, stir evenly；
(2) it is warming up to 85 DEG C again, and sequentially adds magnesium lignosulfonate, calcium formate, sodium tripolyphosphate and ethylenediamine tetra-acetic acid two
Sodium, wherein magnesium lignosulfonate is added in the form of concentration is the aqueous solution of 30wt%, continues at 85 DEG C and keeps the temperature 1 hour；
(3) after step (2) heat preservation, it is down to room temperature, discharges, obtains the lignocellulose type cement grinding aid.
Above-mentioned lignocellulose type cement grinding aid is applied to cement grinding, as shown in Fig. 2, clinker usage amount reduces
6.2%；As shown in figure 3, can be improved cement unit-hour output 16% compared with the blank sample for being not added with cement grinding aid；And it saves
4.2 kWh/ tons of electricity, strength of cement increases 12%.Moreover, cement unit-hour output is higher than addition W. R. Grace & Co of the U.S. trade mark
For the cement grinding sample of TDA730 type cement grinding aid.
Embodiment 3
A kind of lignocellulose type cement grinding aid includes following components in parts by weight:
26 parts of biological lignocellulosic, 20 parts of microcrystalline cellulose, 18 parts of hydroxypropyl methylcellulose, 3 parts of polyethylene glycol PEG200, three
3 parts of polyphosphate sodium, 1 part of calcium formate, sodium lignin sulfonate (wood pulp sodium sulfite pulping waste liquor enriched product, solid content quality hundred
Divide ratio for 96.1%) 5 parts, 0.8 part of disodium ethylene diamine tetraacetate, 10 parts of triethanolamine；
Wherein, biological lignocellulosic is that rice straw cellulose is prepared by pyrolysis, specific as follows:
After mixing by solid-liquid ratio 1:20g/mL by rice straw cellulose and water, 3 hours are stood after being warming up to 90 DEG C, is centrifuged, is clear
Water washing, dry, biological lignocellulosic needed for obtaining.
It include cellulose 50wt%, lignin 15wt% and hemicellulose 25wt% in biological lignocellulosic.
Above-mentioned lignocellulose type cement grinding aid is prepared, is specifically comprised the following steps:
(1) by polyethylene glycol PEG200 and triethanolamine after 78 DEG C of heating mix, biological lignocellulosic, microcrystalline cellulose is added
Element and hydroxypropyl methylcellulose, stir evenly；
(2) it is warming up to 85 DEG C again, and sequentially adds sodium lignin sulfonate, calcium formate, sodium tripolyphosphate and ethylenediamine tetra-acetic acid two
Sodium, wherein sodium lignin sulfonate is added in the form of concentration is the aqueous solution of 20wt%, continues at 85 DEG C and keeps the temperature 2 hours；
(3) after keeping the temperature, it is down to room temperature, discharges, obtains the lignocellulose type cement grinding aid.
Above-mentioned lignocellulose type cement grinding aid is applied to cement grinding, clinker usage amount reduces 5.8%, water
Mud intensity increases 11.2%, compared with the blank sample for being not added with cement grinding aid, can be improved cement unit-hour output 20%, and save
4.3 kWh/ tons of electricity；Moreover, it is TDA730 type cement that cement unit-hour output, which is higher than addition W. R. Grace & Co of the U.S. trade mark,
The cement grinding sample of agent.
Embodiment 4
A kind of lignocellulose type cement grinding aid includes following components in parts by weight:
20 parts of biological lignocellulosic, 12 parts of microcrystalline cellulose, 15 parts of hydroxypropyl methylcellulose, 2 parts of polyethylene glycol PEG600, three
2 parts of polyphosphate sodium, 1 part of calcium formate, sodium lignin sulfonate (wood pulp sodium sulfite pulping waste liquor enriched product, solid content quality hundred
Divide ratio for 96.5%) 10 parts, 1.0 parts of disodium ethylene diamine tetraacetate, 15 parts of triethanolamine；
Wherein, biological lignocellulosic is that bamboo cellulose is prepared by enzymatic hydrolysis, specific as follows:
After mixing by solid-liquid ratio 1:10g/mL by bamboo cellulose and water, be added cellulase (additional amount be bamboo cellulose with
The 0.1wt% of the total system quality of water), it mixes, is stored at room temperature 1 hour, centrifugation, clear water washing are dry, obtain the biology wood
Matter cellulose.
It include cellulose 40wt%, lignin 20wt% and hemicellulose 35wt% in biological lignocellulosic.
Above-mentioned lignocellulose type cement grinding aid is prepared, is specifically comprised the following steps:
(1) by polyethylene glycol PEG600 and triethanolamine after 75 DEG C of heating mix, biological lignocellulosic, microcrystalline cellulose is added
Element and hydroxypropyl methylcellulose, stir evenly；
(2) it is warming up to 85 DEG C again, and sequentially adds sodium lignin sulfonate, calcium formate, sodium tripolyphosphate and ethylenediamine tetra-acetic acid two
Sodium, wherein sodium lignin sulfonate is added in the form of concentration is the aqueous solution of 30wt%, continues at 85 DEG C and keeps the temperature 1.5 hours；
(3) after keeping the temperature, it is down to room temperature, discharges, obtains the lignocellulose type cement grinding aid.
Above-mentioned lignocellulose type cement grinding aid is applied to cement grinding, clinker usage amount reduces 5.3%, water
Mud intensity increases 10.8%, compared with the blank sample for being not added with cement grinding aid, can be improved cement unit-hour output 10%, and save
4.2 kWh/ tons of electricity；Moreover, it is TDA730 type cement that cement unit-hour output, which is higher than addition W. R. Grace & Co of the U.S. trade mark,
The cement grinding sample of agent.
Above embodiments are only preferred embodiment of the invention, are only that further detailed to technical solution of the present invention work
Description, but do not limit the scope of the invention and embodiment, it is any without departing from institute under spirit of the invention and principle
Change, combination, deletion, replacement or modification for making etc. are included in protection scope of the present invention.
Claims (10)
1. a kind of lignocellulose type cement grinding aid, which is characterized in that according to parts by weight, including following components:
Biological lignocellulosic 20-30 parts, 10-20 parts of microcrystalline cellulose, 10-18 parts of hydroxypropyl methylcellulose, polyethylene glycol 2-5
Part, 2-4 parts of sodium tripolyphosphate, 1-3 parts of calcium formate, 5-15 parts of lignosulfonates, 0.1-1 parts of disodium ethylene diamine tetraacetate, alcohol
10-15 parts of aminated compounds；
The biology lignocellulosic is prepared by lignocellulosic by catalyzing hydrolysis, enzymatic hydrolysis or pyrolysis.
2. lignocellulose type cement grinding aid according to claim 1, which is characterized in that in parts by weight include following
Component:
30 parts of biological lignocellulosic, 15 parts of microcrystalline cellulose, 15 parts of hydroxypropyl methylcellulose, 2 parts of polyethylene glycol, sodium tripolyphosphate
2 parts, 2 parts of calcium formate, 8 parts of lignosulfonates, 0.3 part of disodium ethylene diamine tetraacetate, 12 parts of alcamine compound；
The biology lignocellulosic is prepared by lignocellulosic by catalyzing hydrolysis or enzymatic hydrolysis.
3. lignocellulose type cement grinding aid according to claim 1 or 2, which is characterized in that the lignocellulosic
Including draft lignocellulosic；In the biology lignocellulosic, comprising 40 ~ 50wt% of cellulose, 15 ~ 20wt% of lignin and
25 ~ 35wt% of hemicellulose.
4. lignocellulose type cement grinding aid according to claim 1 or 2, which is characterized in that the catalyzing hydrolysis is:
After mixing by solid-liquid ratio 1:8 ~ 12g/mL by lignocellulosic and dilute acid soln, it is stored at room temperature 1 ~ 2 hour, centrifugation, clear water
Washing, it is dry；The dilute acid soln includes one of the aqueous solution of sulfuric acid, hydrochloric acid and formic acid, and mass concentration is 15% ~
30%。
5. lignocellulose type cement grinding aid according to claim 1 or 2, which is characterized in that the enzymatic hydrolysis is: will be wooden
Matter cellulose and water press solid-liquid ratio 1:5 ~ 10g/mL after mixing, and cellulase is added, and mix, are stored at room temperature 0.5 ~ 2 hour,
Centrifugation, clear water washing, it is dry；The additional amount of the cellulase be the total system quality of lignocellulosic and water 0.05 ~
0.2wt%。
6. lignocellulose type cement grinding aid according to claim 1, which is characterized in that the pyrolysis is: will be wooden
Cellulose and water press solid-liquid ratio 1:15 ~ 20g/mL after mixing, stand 1 ~ 3 hour after being warming up to 85 ~ 100 DEG C, centrifugation, clear water
Washing, it is dry.
7. lignocellulose type cement grinding aid according to claim 1 or 2, which is characterized in that the lignin sulfonic acid
Salt includes one or more of sodium lignin sulfonate, calcium lignosulfonate or magnesium lignosulfonate.
8. lignocellulose type cement grinding aid according to claim 1 or 2, which is characterized in that the lignin sulfonic acid
Salt is wood pulp, bamboo pulp or straw pulp spentsulfiteliquor enriched product, and solid content mass percent is 96% or more.
9. lignocellulose type cement grinding aid according to claim 1 or 2, which is characterized in that the alcamines chemical combination
Object include monoethanolamine, diethanol amine, triethanolamine, triisopropanolamine, three change hydramine and three change one of isopropanolamines with
On.
10. the method for preparing the described in any item lignocellulose type cement grinding aids of claim 1 ~ 9, which is characterized in that packet
Include following steps:
(1) by polyethylene glycol and alcamine compound after 70 ~ 80 DEG C of heating mix, it is fine that biological lignocellulosic, crystallite is added
Dimension element and hydroxypropyl methylcellulose, stir evenly；
(2) it is warming up to 80 ~ 90 DEG C again, and sequentially adds lignosulfonates, calcium formate, sodium tripolyphosphate and ethylenediamine tetra-acetic acid
Disodium, the lignosulfonates are added in the form of concentration is the aqueous solution of 20 ~ 30wt%, continue at 80 ~ 90 DEG C of heat preservations 1 ~ 2
Hour；
(3) after keeping the temperature, it is down to room temperature, is discharged, it is dry, obtain the lignocellulose type cement grinding aid.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924220A (en) * | 2019-12-02 | 2020-03-27 | 上海大学 | Preparation method of bagasse fiber paper enhanced by high-strength calcium sulfate whiskers |
| CN113816630A (en) * | 2021-10-13 | 2021-12-21 | 广州基业长青新材料有限公司 | Cement grinding aid and preparation method and application thereof |
| TWI816400B (en) * | 2021-05-19 | 2023-09-21 | 釔銪鑫應用材料有限公司 | Recycling aluminum grinding aid |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050594A (en) * | 2009-11-06 | 2011-05-11 | 山东宏艺科技股份有限公司 | Herbaceous plant lignin cement grinding aid and preparation method thereof |
| CN105130266A (en) * | 2015-09-18 | 2015-12-09 | 广西路佳道桥勘察设计有限公司 | Composite cement grinding aid and cement containing same |
| CN105408011A (en) * | 2013-08-01 | 2016-03-16 | 日本制纸株式会社 | Dispersant |
| CN107601954A (en) * | 2017-11-10 | 2018-01-19 | 东海建设集团有限公司 | A kind of cement grinding aid and preparation method thereof |
| CN107840588A (en) * | 2017-11-03 | 2018-03-27 | 宁夏宝塔化工中心实验室(有限公司) | A kind of high mill warm water cement grinding aids and preparation method thereof |
| JP2018057989A (en) * | 2015-02-20 | 2018-04-12 | 日本製紙株式会社 | Dispersant |
-
2018
- 2018-10-22 CN CN201811227246.7A patent/CN109320129A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050594A (en) * | 2009-11-06 | 2011-05-11 | 山东宏艺科技股份有限公司 | Herbaceous plant lignin cement grinding aid and preparation method thereof |
| CN105408011A (en) * | 2013-08-01 | 2016-03-16 | 日本制纸株式会社 | Dispersant |
| JP2018057989A (en) * | 2015-02-20 | 2018-04-12 | 日本製紙株式会社 | Dispersant |
| CN105130266A (en) * | 2015-09-18 | 2015-12-09 | 广西路佳道桥勘察设计有限公司 | Composite cement grinding aid and cement containing same |
| CN107840588A (en) * | 2017-11-03 | 2018-03-27 | 宁夏宝塔化工中心实验室(有限公司) | A kind of high mill warm water cement grinding aids and preparation method thereof |
| CN107601954A (en) * | 2017-11-10 | 2018-01-19 | 东海建设集团有限公司 | A kind of cement grinding aid and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 凌宏志: "《木质纤维素全糖生物转化生产大宗化学品》", 31 July 2016, 黑龙江大学出版社 * |
| 徐有明: "《木材学》", 31 August 2006, 中国林业出版社 * |
| 谢克平: "《高性价比水泥装备动态集锦》", 31 August 2012, 中国建材工业出版社 * |
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