CN106477943B - A kind of composite cement admixture - Google Patents
A kind of composite cement admixture Download PDFInfo
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- CN106477943B CN106477943B CN201610917075.5A CN201610917075A CN106477943B CN 106477943 B CN106477943 B CN 106477943B CN 201610917075 A CN201610917075 A CN 201610917075A CN 106477943 B CN106477943 B CN 106477943B
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- 239000004568 cement Substances 0.000 title claims abstract description 103
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 claims abstract description 38
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 38
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims abstract description 38
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims abstract description 38
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 27
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 27
- 239000000654 additive Substances 0.000 claims abstract description 24
- 230000000996 additive effect Effects 0.000 claims abstract description 22
- 235000021314 Palmitic acid Nutrition 0.000 claims abstract description 19
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011592 zinc chloride Substances 0.000 claims abstract description 19
- 235000005074 zinc chloride Nutrition 0.000 claims abstract description 19
- 229920001732 Lignosulfonate Polymers 0.000 claims abstract description 18
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 18
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 18
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 claims abstract description 18
- QCCKPZOPTXCJPL-UHFFFAOYSA-N dodecyl(dimethyl)azanium;hydroxide Chemical compound [OH-].CCCCCCCCCCCC[NH+](C)C QCCKPZOPTXCJPL-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- -1 alkyl succinimide Chemical compound 0.000 claims abstract description 14
- KZNICNPSHKQLFF-UHFFFAOYSA-N dihydromaleimide Natural products O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229960002317 succinimide Drugs 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000011259 mixed solution Substances 0.000 claims description 36
- 239000000243 solution Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- ACZVSMNFVFBOTM-UHFFFAOYSA-O 2-carboxyethyl(trimethyl)azanium Chemical compound C[N+](C)(C)CCC(O)=O ACZVSMNFVFBOTM-UHFFFAOYSA-O 0.000 claims 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 17
- 238000007906 compression Methods 0.000 abstract description 17
- 230000035699 permeability Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002528 anti-freeze Effects 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 abstract description 2
- 238000000227 grinding Methods 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- RGNSCHMKFZCYJT-UHFFFAOYSA-N 2-methyldodecane Chemical compound [CH2]CCCCCCCCCC(C)C RGNSCHMKFZCYJT-UHFFFAOYSA-N 0.000 abstract 1
- HGEMCUOAMCILCP-UHFFFAOYSA-N isotridecane Natural products CCCCCCCCCCC(C)C HGEMCUOAMCILCP-UHFFFAOYSA-N 0.000 abstract 1
- 150000002576 ketones Chemical class 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 20
- 238000005260 corrosion Methods 0.000 description 20
- 239000003795 chemical substances by application Substances 0.000 description 15
- 238000002474 experimental method Methods 0.000 description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 239000005864 Sulphur Substances 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000011449 brick Substances 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- C04B2103/10—Accelerators; Activators
- C04B2103/12—Set accelerators
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of composite cement admixtures, are mixed by the raw material of following parts by weight：16 22 parts of calcium hydroxide, 10 16 parts of isopropanol, 8 12 parts of zinc chloride, 28 parts of 2 methyl dodecane, 5 ketone, 4 10 parts of dodecyldimethylammonium hydroxide inner salt, 26 parts of lignosulfonates, 15 parts of alkyl succinimide, 6 10 parts of acetophenone, 28 parts of ammonium sulfate, 4 10 parts of tetrabutyl ammonium borohydride, 59 parts of palmitic acid, 6 12 parts of stigmastatrienol；Cement output can be improved in cement additive prepared by the present invention, enhances strength of cement, small on the influence of cement compression strength early period, can meet engine request；Cement mechanical property and pore structure can be improved, improve the antifreeze grinding aid performance of cement, reduce cement permeability, adjust cement setting time, increase concrete density, reach energy-saving and environment-friendly effect；The cement additive of the present invention compared with commercially available additive there is significant performance to improve, and market promotion prospect is wide.
Description
Technical field
The invention belongs to cement additive technical fields, and in particular to a kind of composite cement admixture.
Background technology
With the development of nowadays building trade, cement is as a kind of construction material having extensively using value, demand
Amount is being continuously increased, and the at the same time requirement to the kind of cement and quality is also being constantly increasing, and how to be ensured or carried
Under conditions of high strength of cement and physical properties, production and the application cost of cement are reduced, becomes a popular project.
It is well known that the addition content of mixing material and some other can be improved in cement by adding certain additives in cement
Performance, people continuously improve cement additive by a large amount of scientific experiment in recent years, and develop different properties
Cement additive；The major defect of existing cement additive is：It has a single function, comprehensive effectiveness is poor, in order to meet cement skill
The demand of art development, development is a kind of can either to improve the physicochemical property and workability of cement, and can guarantee cement quality simultaneously
It is current problem to be solved to reduce manufacture of cement cost, improve the additive of cement output.
Invention content
The purpose of the present invention is to provide a kind of composite cement admixtures, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：
A kind of composite cement admixture is made of the raw material of following parts by weight：16-22 parts of calcium hydroxide, isopropanol 10-
16 parts, 8-12 parts of zinc chloride, 2-8 parts of 2- methyl-dodecanoics -5- ketone, 4-10 parts of dodecyldimethylammonium hydroxide inner salt, sulfomethylated lignin
2-6 parts of hydrochlorate, 1-5 parts of alkyl succinimide, 6-10 parts of acetophenone, 2-8 parts of ammonium sulfate, 4-10 parts of tetrabutyl ammonium borohydride,
5-9 parts of palmitic acid, 6-12 parts of stigmastatrienol.
As a further solution of the present invention：The composite cement admixture is made of the raw material of following parts by weight：Hydrogen
18-20 parts of calcium oxide, 12-14 parts of isopropanol, 9-11 parts of zinc chloride, 4-6 parts of 2- methyl-dodecanoics -5- ketone, dimethyl
6-8 parts of base glycine betaine, 3-5 parts of lignosulfonates, 2-4 parts of alkyl succinimide, 7-9 parts of acetophenone, 4-6 parts of ammonium sulfate,
6-8 parts of tetrabutyl ammonium borohydride, 6-8 parts of palmitic acid, 8-10 parts of stigmastatrienol.
As further scheme of the invention：The composite cement admixture is made of the raw material of following parts by weight：
19 parts of calcium hydroxide, 13 parts of isopropanol, 10 parts of zinc chloride, 5 parts of 2- methyl-dodecanoic -5- ketone, dodecyldimethylammonium hydroxide inner salt
7 parts, 4 parts of lignosulfonates, 3 parts of alkyl succinimide, 8 parts of acetophenone, 5 parts of ammonium sulfate, 7 parts of tetrabutyl ammonium borohydride,
7 parts of palmitic acid, 9 parts of stigmastatrienol.
As further scheme of the invention：The preparation method of the composite cement admixture, includes the following steps：
1) by the dodecyldimethylammonium hydroxide inner salt of formula ratio, lignosulfonates, alkyl succinimide and isopropanol
Heat temperature raising reacts in input reaction kettle after solution mixing；
2) ammonium sulfate and liquor zinci chloridi are obtained by the ammonium sulfate of formula ratio and zinc chloride are soluble in water respectively, by sulphur
Acid ammonium solution and liquor zinci chloridi are poured slowly into the reaction kettle of step 1), are stirred while adding, and it is spare to obtain mixed solution A；
3) by the acetophenone of formula ratio, tetrabutyl ammonium borohydride, palmitic acid, stigmastatrienol, 2- methyl-dodecanoics -5-
Ketone is poured into water successively, at a temperature of 50-60 DEG C, is sufficiently mixed stirring 1-2h, it is spare to obtain mixed solution B；
4) calcium hydroxide is slowly added into the mixed solution B solution in step 3), is stirred while adding, must mixed molten
Liquid C is spare；
5) mixed solution C in the mixed solution A and step 4) in step 2) is mixed, in 60-80 DEG C of constant temperature item
It is sufficiently stirred 40-60min under part, is cooled to room temperature, cement additive of the present invention is obtained.
Compared with prior art, the beneficial effects of the invention are as follows：Simple production process of the present invention is convenient, of low cost, and
With obvious effects, compatibility is good, is convenient for engineer application；Cement output can be improved in cement additive prepared by the present invention, enhances cement
Intensity, it is small on the influence of cement compression strength early period, engine request can be met；Cement mechanical property and pore structure can be improved, carried
The antifreeze grinding aid performance of high cement reduces cement permeability, adjusts cement setting time, increases concrete density, reaches section
The effect of energy environmental protection；The cement additive of the present invention there is significant performance to improve, before marketing compared with commercially available additive
Scape is wide.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Embodiment 1
A kind of composite cement admixture is made of the raw material of following parts by weight：16 parts of calcium hydroxide, 10 parts of isopropanol,
8 parts of zinc chloride, 2 parts of 2- methyl-dodecanoic -5- ketone, 4 parts of dodecyldimethylammonium hydroxide inner salt, 2 parts of lignosulfonates, alkyl
1 part of succimide, 6 parts of acetophenone, 2 parts of ammonium sulfate, 4 parts of tetrabutyl ammonium borohydride, 5 parts of palmitic acid, 6 parts of stigmastatrienol.
The preparation method of the composite cement admixture, includes the following steps：
1) by the dodecyldimethylammonium hydroxide inner salt of formula ratio, lignosulfonates, alkyl succinimide and isopropanol
Heat temperature raising reacts in input reaction kettle after solution mixing；
2) ammonium sulfate and liquor zinci chloridi are obtained by the ammonium sulfate of formula ratio and zinc chloride are soluble in water respectively, by sulphur
Acid ammonium solution and liquor zinci chloridi are poured slowly into the reaction kettle of step 1), are stirred while adding, and it is spare to obtain mixed solution A；
3) by the acetophenone of formula ratio, tetrabutyl ammonium borohydride, palmitic acid, stigmastatrienol, 2- methyl-dodecanoics -5-
Ketone is poured into water successively, at a temperature of 50-60 DEG C, is sufficiently mixed stirring 1-2h, it is spare to obtain mixed solution B；
4) calcium hydroxide is slowly added into the mixed solution B solution in step 3), is stirred while adding, must mixed molten
Liquid C is spare；
5) mixed solution C in the mixed solution A and step 4) in step 2) is mixed, in 60-80 DEG C of constant temperature item
It is sufficiently stirred 40-60min under part, is cooled to room temperature, cement additive of the present invention is obtained.
The product that embodiment 1 is prepared is tested, and adds 0%, 0.5%, 1%, 2%, 3% into cement respectively
Product prepared by the embodiment 1 of weight, the Behavior of Hardened Cement Paste brick being made to corrode 18 days in high temperature pressure corrosion instrument, 90 DEG C of test and
The front and back compression strength agent permeability variation of cement corrosion at a temperature of 120 DEG C, as a result as shown in table 1 and table 2：
The front and back compression strength agent permeability variation test experiments of cement corrosion at a temperature of 1 90 DEG C of table
The front and back compression strength agent permeability variation test experiments of cement corrosion at a temperature of 2 120 DEG C of table
Embodiment 2
A kind of composite cement admixture is made of the raw material of following parts by weight：22 parts of calcium hydroxide, 16 parts of isopropanol,
12 parts of zinc chloride, 8 parts of 2- methyl-dodecanoic -5- ketone, 10 parts of dodecyldimethylammonium hydroxide inner salt, 6 parts of lignosulfonates, alkane
5 parts of base succimide, 10 parts of acetophenone, 8 parts of ammonium sulfate, 10 parts of tetrabutyl ammonium borohydride, 9 parts of palmitic acid, stigmastatrienol
12 parts.
The preparation method of the composite cement admixture, includes the following steps：
1) by the dodecyldimethylammonium hydroxide inner salt of formula ratio, lignosulfonates, alkyl succinimide and isopropanol
Heat temperature raising reacts in input reaction kettle after solution mixing；
2) ammonium sulfate and liquor zinci chloridi are obtained by the ammonium sulfate of formula ratio and zinc chloride are soluble in water respectively, by sulphur
Acid ammonium solution and liquor zinci chloridi are poured slowly into the reaction kettle of step 1), are stirred while adding, and it is spare to obtain mixed solution A；
3) by the acetophenone of formula ratio, tetrabutyl ammonium borohydride, palmitic acid, stigmastatrienol, 2- methyl-dodecanoics -5-
Ketone is poured into water successively, at a temperature of 50-60 DEG C, is sufficiently mixed stirring 1-2h, it is spare to obtain mixed solution B；
4) calcium hydroxide is slowly added into the mixed solution B solution in step 3), is stirred while adding, must mixed molten
Liquid C is spare；
5) mixed solution C in the mixed solution A and step 4) in step 2) is mixed, in 60-80 DEG C of constant temperature item
It is sufficiently stirred 40-60min under part, is cooled to room temperature, cement additive of the present invention is obtained.
The product that embodiment 2 is prepared is tested, and adds 0%, 0.5%, 1%, 2%, 3% into cement respectively
Product prepared by the embodiment 2 of weight, the Behavior of Hardened Cement Paste brick being made to corrode 18 days in high temperature pressure corrosion instrument, 90 DEG C of test and
The front and back compression strength agent permeability variation of cement corrosion at a temperature of 120 DEG C, as a result as shown in table 3 and table 4：
The front and back compression strength agent permeability variation test experiments of cement corrosion at a temperature of 3 90 DEG C of table
The front and back compression strength agent permeability variation test experiments of cement corrosion at a temperature of 4 120 DEG C of table
Embodiment 3
A kind of composite cement admixture, by the material composition of following parts by weight：18 parts of calcium hydroxide, 12 parts of isopropanol,
9 parts of zinc chloride, 4 parts of 2- methyl-dodecanoic -5- ketone, 6 parts of dodecyldimethylammonium hydroxide inner salt, 3 parts of lignosulfonates, alkyl
2 parts of succimide, 7 parts of acetophenone, 4 parts of ammonium sulfate, 6 parts of tetrabutyl ammonium borohydride, 6 parts of palmitic acid, 8 parts of stigmastatrienol.
The preparation method of the composite cement admixture, includes the following steps：
1) by the dodecyldimethylammonium hydroxide inner salt of formula ratio, lignosulfonates, alkyl succinimide and isopropanol
Heat temperature raising reacts in input reaction kettle after solution mixing；
2) ammonium sulfate and liquor zinci chloridi are obtained by the ammonium sulfate of formula ratio and zinc chloride are soluble in water respectively, by sulphur
Acid ammonium solution and liquor zinci chloridi are poured slowly into the reaction kettle of step 1), are stirred while adding, and it is spare to obtain mixed solution A；
3) by the acetophenone of formula ratio, tetrabutyl ammonium borohydride, palmitic acid, stigmastatrienol, 2- methyl-dodecanoics -5-
Ketone is poured into water successively, at a temperature of 50-60 DEG C, is sufficiently mixed stirring 1-2h, it is spare to obtain mixed solution B；
4) calcium hydroxide is slowly added into the mixed solution B solution in step 3), is stirred while adding, must mixed molten
Liquid C is spare；
5) mixed solution C in the mixed solution A and step 4) in step 2) is mixed, in 60-80 DEG C of constant temperature item
It is sufficiently stirred 40-60min under part, is cooled to room temperature, cement additive of the present invention is obtained.
The product that embodiment 3 is prepared is tested, and adds 0%, 0.5%, 1%, 2%, 3% into cement respectively
Product prepared by the embodiment 3 of weight, the Behavior of Hardened Cement Paste brick being made to corrode 18 days in high temperature pressure corrosion instrument, 90 DEG C of test and
The front and back compression strength agent permeability variation of cement corrosion at a temperature of 120 DEG C, as a result as shown in table 5 and table 6：
The front and back compression strength agent permeability variation test experiments of cement corrosion at a temperature of 5 90 DEG C of table
The front and back compression strength agent permeability variation test experiments of cement corrosion at a temperature of 6 120 DEG C of table
Embodiment 4
A kind of composite cement admixture, by the material composition of following parts by weight：20 parts of calcium hydroxide, 14 parts of isopropanol,
11 parts of zinc chloride, 6 parts of 2- methyl-dodecanoic -5- ketone, 8 parts of dodecyldimethylammonium hydroxide inner salt, 5 parts of lignosulfonates, alkyl
4 parts of succimide, 9 parts of acetophenone, 6 parts of ammonium sulfate, 8 parts of tetrabutyl ammonium borohydride, 8 parts of palmitic acid, 10 parts of stigmastatrienol.
The preparation method of the composite cement admixture, includes the following steps：
1) by the dodecyldimethylammonium hydroxide inner salt of formula ratio, lignosulfonates, alkyl succinimide and isopropanol
Heat temperature raising reacts in input reaction kettle after solution mixing；
2) ammonium sulfate and liquor zinci chloridi are obtained by the ammonium sulfate of formula ratio and zinc chloride are soluble in water respectively, by sulphur
Acid ammonium solution and liquor zinci chloridi are poured slowly into the reaction kettle of step 1), are stirred while adding, and it is spare to obtain mixed solution A；
3) by the acetophenone of formula ratio, tetrabutyl ammonium borohydride, palmitic acid, stigmastatrienol, 2- methyl-dodecanoics -5-
Ketone is poured into water successively, at a temperature of 50-60 DEG C, is sufficiently mixed stirring 1-2h, it is spare to obtain mixed solution B；
4) calcium hydroxide is slowly added into the mixed solution B solution in step 3), is stirred while adding, must mixed molten
Liquid C is spare；
5) mixed solution C in the mixed solution A and step 4) in step 2) is mixed, in 60-80 DEG C of constant temperature item
It is sufficiently stirred 40-60min under part, is cooled to room temperature, cement additive of the present invention is obtained.
The product that embodiment 4 is prepared is tested, and adds 0%, 0.5%, 1%, 2%, 3% into cement respectively
Product prepared by the embodiment 4 of weight, the Behavior of Hardened Cement Paste brick being made to corrode 18 days in high temperature pressure corrosion instrument, 90 DEG C of test and
The front and back compression strength agent permeability variation of cement corrosion at a temperature of 120 DEG C, as a result as shown in table 7 and table 8：
The front and back compression strength agent permeability variation test experiments of cement corrosion at a temperature of 7 90 DEG C of table
The front and back compression strength agent permeability variation test experiments of cement corrosion at a temperature of 8 120 DEG C of table
Embodiment 5
A kind of composite cement admixture, by the material composition of following parts by weight：19 parts of calcium hydroxide, 13 parts of isopropanol,
10 parts of zinc chloride, 5 parts of 2- methyl-dodecanoic -5- ketone, 7 parts of dodecyldimethylammonium hydroxide inner salt, 4 parts of lignosulfonates, alkyl
3 parts of succimide, 8 parts of acetophenone, 5 parts of ammonium sulfate, 7 parts of tetrabutyl ammonium borohydride, 7 parts of palmitic acid, 9 parts of stigmastatrienol.
The preparation method of the composite cement admixture, includes the following steps：
1) by the dodecyldimethylammonium hydroxide inner salt of formula ratio, lignosulfonates, alkyl succinimide and isopropanol
Heat temperature raising reacts in input reaction kettle after solution mixing；
2) ammonium sulfate and liquor zinci chloridi are obtained by the ammonium sulfate of formula ratio and zinc chloride are soluble in water respectively, by sulphur
Acid ammonium solution and liquor zinci chloridi are poured slowly into the reaction kettle of step 1), are stirred while adding, and it is spare to obtain mixed solution A；
3) by the acetophenone of formula ratio, tetrabutyl ammonium borohydride, palmitic acid, stigmastatrienol, 2- methyl-dodecanoics -5-
Ketone is poured into water successively, at a temperature of 50-60 DEG C, is sufficiently mixed stirring 1-2h, it is spare to obtain mixed solution B；
4) calcium hydroxide is slowly added into the mixed solution B solution in step 3), is stirred while adding, must mixed molten
Liquid C is spare；
5) mixed solution C in the mixed solution A and step 4) in step 2) is mixed, in 60-80 DEG C of constant temperature item
It is sufficiently stirred 40-60min under part, is cooled to room temperature, cement additive of the present invention is obtained.
The product that embodiment 5 is prepared is tested, and adds 0%, 0.5%, 1%, 2%, 3% into cement respectively
Product prepared by the embodiment 5 of weight, the Behavior of Hardened Cement Paste brick being made to corrode 18 days in high temperature pressure corrosion instrument, 90 DEG C of test and
The front and back compression strength agent permeability variation of cement corrosion at a temperature of 120 DEG C, as a result as shown in table 9 and table 10：
The front and back compression strength agent permeability variation test experiments of cement corrosion at a temperature of 9 90 DEG C of table
The front and back compression strength agent permeability variation test experiments of cement corrosion at a temperature of 10 120 DEG C of table
Experimental example
It is general on the market by using the cement that the composite cement admixture obtained by embodiment 1-5 is configured as experimental group
The cement that logical cement additive is configured is control group, tests the properties of cement, test result is as shown in table 11：
Cement prepared by 11 1-5 cement additives of the embodiment of the present invention of table and commercially available cement performance comparative experiments
The cement additive of present invention gained known to above-mentioned experiment can be effectively increased the bending and compressive strength of cement, and
It is obviously shortened cement setting time, while improving the yield of cement, meets on the market the needs of to cement additive；Pass through table
The cement of the cement additive configuration of 5 gained of the embodiment of the present invention is optimal in properties known to data, i.e. embodiment 5
For preferred embodiment.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (4)
1. a kind of composite cement admixture, which is characterized in that be made of the raw material of following parts by weight：16-22 parts of calcium hydroxide,
10-16 parts of isopropanol, 8-12 parts of zinc chloride, 2-8 parts of 2- methyl-dodecanoics -5- ketone, dodecyldimethylammonium hydroxide inner salt 4-10
Part, 2-6 parts of lignosulfonates, 1-5 parts of alkyl succinimide, 6-10 parts of acetophenone, 2-8 parts of ammonium sulfate, tetrabutyl boron hydrogen
Change 4-10 parts of ammonium, 5-9 parts of palmitic acid, 6-12 parts of stigmastatrienol.
2. composite cement admixture according to claim 1, which is characterized in that be made of the raw material of following parts by weight：
18-20 parts of calcium hydroxide, 12-14 parts of isopropanol, 9-11 parts of zinc chloride, 4-6 parts of 2- methyl-dodecanoics -5- ketone, dodecyl two
6-8 parts of methyl betaine, 3-5 parts of lignosulfonates, 2-4 parts of alkyl succinimide, 7-9 parts of acetophenone, ammonium sulfate 4-6
Part, 6-8 parts of tetrabutyl ammonium borohydride, 6-8 parts of palmitic acid, 8-10 parts of stigmastatrienol.
3. composite cement admixture according to claim 1, which is characterized in that be made of the raw material of following parts by weight：
19 parts of calcium hydroxide, 13 parts of isopropanol, 10 parts of zinc chloride, 5 parts of 2- methyl-dodecanoic -5- ketone, dodecyldimethylammonium hydroxide inner salt
7 parts, 4 parts of lignosulfonates, 3 parts of alkyl succinimide, 8 parts of acetophenone, 5 parts of ammonium sulfate, 7 parts of tetrabutyl ammonium borohydride,
7 parts of palmitic acid, 9 parts of stigmastatrienol.
4. according to the preparation method of any composite cement admixtures of claim 1-3, which is characterized in that including following
Step：
1) by the dodecyldimethylammonium hydroxide inner salt of formula ratio, lignosulfonates, alkyl succinimide and aqueous isopropanol
Heat temperature raising in reaction kettle is put into after mixing to react；
2) ammonium sulfate and liquor zinci chloridi are obtained by the ammonium sulfate of formula ratio and zinc chloride are soluble in water respectively, by ammonium sulfate
Solution and liquor zinci chloridi are poured slowly into the reaction kettle of step 1), are stirred while adding, and it is spare to obtain mixed solution A；
3) by the acetophenone of formula ratio, tetrabutyl ammonium borohydride, palmitic acid, stigmastatrienol, 2- methyl-dodecanoic -5- ketone according to
It is secondary to be poured into water, at a temperature of 50-60 DEG C, it is sufficiently mixed stirring 1-2h, it is spare to obtain mixed solution B；
4) calcium hydroxide is slowly added into the mixed solution B solution in step 3), is stirred while adding, obtain mixed solution C
It is spare；
5) mixed solution C in the mixed solution A and step 4) in step 2) is mixed, under 60-80 DEG C of constant temperature
It is sufficiently stirred 40-60min, is cooled to room temperature, cement additive is obtained.
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| CN107827385A (en) * | 2017-11-17 | 2018-03-23 | 遵义黔成建材有限公司 | Comprehensive cement additive |
| CN107721236A (en) * | 2017-11-17 | 2018-02-23 | 遵义黔成建材有限公司 | Composite cement additive and preparation method thereof |
| CN110937843A (en) * | 2019-12-24 | 2020-03-31 | 龚小琴 | Preparation process of concrete composite additive |
| CN112679137A (en) * | 2020-12-24 | 2021-04-20 | 江西富创新材料有限公司 | Concrete additive for highway |
| CN115259733A (en) * | 2022-08-12 | 2022-11-01 | 浙江长盈建材科技有限公司 | Cement admixture and production process thereof |
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| CN1673161A (en) * | 2005-03-24 | 2005-09-28 | 张坦然 | Composite cement admixture |
| CN102320772A (en) * | 2011-09-05 | 2012-01-18 | 王琴 | Cement reinforcing agent |
| CN104891844A (en) * | 2015-05-27 | 2015-09-09 | 湖州华仑助剂科技有限公司 | Cement grinding aid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1673161A (en) * | 2005-03-24 | 2005-09-28 | 张坦然 | Composite cement admixture |
| CN102320772A (en) * | 2011-09-05 | 2012-01-18 | 王琴 | Cement reinforcing agent |
| CN104891844A (en) * | 2015-05-27 | 2015-09-09 | 湖州华仑助剂科技有限公司 | Cement grinding aid |
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Effective date of registration: 20200702 Address after: 312030 Jiangqiao Industrial Zone, Yangxunqiao Town, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Shaoxing Dingfeng Cement Co., Ltd Address before: Xi Zhou Cun, Nanan City, Fujian province 362000 Merrill chichou Quanzhou City No. 35 Patentee before: Huang Jingzhen |
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