CN109279834A - A kind of shock resistance waterproof foamed cement and preparation method thereof - Google Patents

A kind of shock resistance waterproof foamed cement and preparation method thereof Download PDF

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Publication number
CN109279834A
CN109279834A CN201811070022.XA CN201811070022A CN109279834A CN 109279834 A CN109279834 A CN 109279834A CN 201811070022 A CN201811070022 A CN 201811070022A CN 109279834 A CN109279834 A CN 109279834A
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carbon fiber
parts
shock resistance
water
foamed cement
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刘三宝
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Huaining Jianguo Concrete Products Co Ltd
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Huaining Jianguo Concrete Products Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/27Water resistance, i.e. waterproof or water-repellent materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

The invention discloses a kind of shock resistance waterproof foamed cements, its raw material includes: 100 parts of portland cement by weight, and 1-2 parts of lauryl sodium sulfate, α -2-3 parts of sodium olefin sulfonate, 0.3-0.5 parts of foam stabilizer, 0.5-1 parts of coagulant, 0.08-0.12 parts of water-reducing agent, 2-3 parts of waterproofing agent, 18-25 parts of reinforcing agent, 35-40 parts of water, wherein reinforcing agent is paper mill sludge ash, silicon ash, polypropylene fibre and modified carbon fiber.The invention also discloses the preparation methods of above-mentioned shock resistance waterproof foamed cement.Intensity of the present invention is high, and shock resistance is good, good waterproof performance.

Description

A kind of shock resistance waterproof foamed cement and preparation method thereof
Technical field
The present invention relates to cement technology fields more particularly to a kind of shock resistance waterproof foamed cement and preparation method thereof.
Background technique
Foamed cement is a kind of novel light insulation material, is by chemically or physically containing a large amount of sealed porosity The mode of foaming introduces bubble, and foam and cement slurry are solidified after evenly mixing, hardened and is formed.Foamed cement has thermal insulation separation The advantages that hot good, but its that there are water absorption rates is high, intensity is low etc. determines, limit the development utilization of foamed cement.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of shock resistance waterproof foamed cement and its preparations Method, intensity of the present invention is high, and shock resistance is good, good waterproof performance.
A kind of shock resistance waterproof foamed cement proposed by the present invention, raw material include: portland cement 100 by weight Part, 1-2 parts of lauryl sodium sulfate, α -2-3 parts of sodium olefin sulfonate, 0.3-0.5 parts of foam stabilizer, 0.5-1 parts of coagulant, water-reducing agent 0.08-0.12 parts, 2-3 parts of waterproofing agent, 18-25 parts of reinforcing agent, 35-40 parts of water, wherein reinforcing agent be paper mill sludge ash, silicon ash, Polypropylene fibre and modified carbon fiber.
Preferably, in the preparation process of modified carbon fiber, carbon fiber is taken, obtains median fiber through concentrated nitric acid oxidation;It will Median fiber is added in the ethanol water of 3- mercaptopropyl trimethoxysilane, is warming up to 70-80 DEG C, insulated and stirred 1-2h, mistake Leaching filter cake, successively uses ethyl alcohol, water washing, and drying obtains modified carbon fiber.
Preferably, in the preparation process of modified carbon fiber, the step of concentrated nitric acid oxidation are as follows: concentrated nitric acid is added in carbon fiber In, it is warming up to 85-95 DEG C, insulated and stirred 1-2h takes carbon fiber to wash, and drying obtains median fiber.
Preferably, in the preparation process of modified carbon fiber, the weight ratio of carbon fiber and concentrated nitric acid is 1:10-20.
Preferably, in the preparation process of modified carbon fiber, the matter of the ethanol water of 3- mercaptopropyl trimethoxysilane Amount score is 3-5wt%, and the volume ratio of second alcohol and water is 0.5-1:9-9.5.
Preferably, waterproofing agent is iron chloride, frerrous chloride, fluorine sodium silanolate.
Preferably, water-reducing agent is poly carboxylic acid series water reducer.
Preferably, coagulant is calcium chloride and sodium carbonate.
Preferably, foam stabilizer is calcium stearate and hydroxypropyl starch ether.
Preferably, the length of polypropylene fibre and modified carbon fiber is 4-5mm.
Preferably, the weight ratio of paper mill sludge ash, silicon ash, polypropylene fibre and modified carbon fiber is 14-16:5-7:0.5- 1:0.5-1.
Preferably, iron chloride, frerrous chloride, fluorine sodium silanolate weight ratio be 1.25-1.35:1:2-3.
Preferably, calcium chloride and sodium carbonate 1:2-3.
Preferably, the weight ratio of calcium stearate and hydroxypropyl starch ether is 8-9:1.
In the preparation process of above-mentioned modified carbon fiber, the use of the ethanol water of 3- mercaptopropyl trimethoxysilane is not provided Amount, determines its raw material according to concrete operations, can be uniformly dispersed median fiber.
The invention also provides above-mentioned shock resistance waterproof foamed cement preparation methods, include the following steps: paper mill sludge Ash is uniformly mixed so as to obtain solution A with water;By portland cement, lauryl sodium sulfate, α-sodium olefin sulfonate, foam stabilizer, coagulant, subtract Aqua, waterproofing agent, silicon ash, polypropylene fibre and modified carbon fiber mix, and solution A is then added and mixes, and injection mold molding is supported Shield obtains shock resistance waterproof foamed cement.
The present invention selects lauryl sodium sulfate, α-sodium olefin sulfonate to cooperate and is used as foaming agent, can increase foaming Multiple and the stability that can improve foam keep foam uniformly tiny, cooperate with portland cement, can make the present invention Consistent internal structure is fine and close, improves intensity and cracking resistance;It selects calcium stearate and hydroxypropyl starch ether to cooperate, increases bubble The stability of foam further increases the compactness of internal structure of the present invention, improves intensity and cracking resistance;Select again calcium chloride and Sodium carbonate adjusts the rate of set and setting rate of portland cement as coagulant, so that the retention time of foam and cement Condensation firm time be mutually matched, avoid the problem that the mould that collapses, and can make the present invention have even compact structure, increase this The intensity of invention;It selects poly carboxylic acid series water reducer that can further avoid the mould that collapses, and waterproofness of the invention can be increased;Chlorination Iron, frerrous chloride, fluorine sodium silanolate cooperate, and iron chloride, frerrous chloride can generate hydrogen-oxygen with the calcium hydroxide reaction in cement Change iron colloid and calcium chloride, it is not soluble in water that calcium chloride can react generation with tricalcium aluminate, calcium hydroxide, the dicalcium silicate in cement Crystal, ferric hydroxide colloid and crystal not soluble in water can improve cement structures with the capillary channel of filling-foam cement Compactness reduces water absorption rate, to increase waterproofness of the invention, and cooperates water-soluble polymer fluorine sodium silanolate, foamed cement After drying, waterproof membrane can be formed in cement surface, cooperated in terms of improving cement internal structure and surface texture two, Greatly increase waterproofness of the invention;Paper mill sludge ash, silicon ash cooperate, and can greatly increase intensity of the invention, anti-impact Performance is hit, and paper mill sludge ash can cooperate with waterproofing agent and further increase waterproof performance of the invention, but can reduced Toughness of the invention is easy cracking;Polypropylene fibre and modified carbon fiber are added, carbon fiber contains through concentrated nitric acid processing rear surface Many carboxyls, hydroxyl, then through 3- mercaptopropyl trimethoxysilane graft modification, reduce hydrophily and carbon fiber surface is coarse, promote The adherency of water inlet mud, then cooperate with polypropylene fibre, it can keep the present invention that there is higher-strength, while having preferable Toughness and crack resistance, and polypropylene fibre and modified carbon fiber hydrophily are low, will not reduce water imbibition of the invention, and papermaking The water-insoluble colloid and crystal that sludge ash, waterproofing agent generate can be filled in the capillary channel between fiber and cement, into one Step increases waterproofness and intensity of the invention;The polypropylene fibre and modified carbon fiber of suitable length can further increase this hair Bright toughness;Above-mentioned each substance is cooperated with suitable proportion, can further increase intensity of the invention, waterproofness and tough Property.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of shock resistance waterproof foamed cement, raw material include: 100 parts of portland cement by weight, dodecyl sulphur 1.5 parts of sour sodium, 2.5 parts of α-sodium olefin sulfonate, 0.4 part of foam stabilizer, 0.75 part of coagulant, 0.1 part of water-reducing agent, 2.5 parts of waterproofing agent, 21 parts of reinforcing agent, 37.5 parts of water, wherein reinforcing agent is paper mill sludge ash, silicon ash, polypropylene fibre and modified carbon fiber.
Above-mentioned shock resistance waterproof foamed cement preparation method includes the following steps: for paper mill sludge ash to be uniformly mixed so as to obtain with water Solution A;By portland cement, lauryl sodium sulfate, α-sodium olefin sulfonate, foam stabilizer, coagulant, water-reducing agent, waterproofing agent, silicon Ash, polypropylene fibre and modified carbon fiber mix, and solution A is then added and mixes, and injection mold molding, it is anti-that maintenance obtains shock resistance Water blown cement.
Embodiment 2
A kind of shock resistance waterproof foamed cement, raw material include: 100 parts of portland cement by weight, dodecyl sulphur 1 part of sour sodium, 3 parts of α-sodium olefin sulfonate, 0.3 part of foam stabilizer, 1 part of coagulant, 0.08 part of poly carboxylic acid series water reducer, 3 parts of waterproofing agent, 18 parts of reinforcing agent, 40 parts of water, wherein reinforcing agent is paper mill sludge ash, silicon ash, polypropylene fibre and modified carbon fiber;
In the preparation process of modified carbon fiber, carbon fiber is added in concentrated nitric acid, is warming up to 85 DEG C, insulated and stirred 2h, Carbon fiber is taken to wash, drying obtains median fiber;The 3- mercapto propyl trimethoxy that mass fraction is 3wt% is added in median fiber In the ethanol water of silane, 80 DEG C are warming up to, insulated and stirred 1h filters to take filter cake, successively uses ethyl alcohol, water washing, dries To modified carbon fiber, wherein the weight ratio of carbon fiber and concentrated nitric acid is 1:20, and the ethyl alcohol of 3- mercaptopropyl trimethoxysilane is water-soluble In liquid, the volume ratio of second alcohol and water is 0.5:9.5.
Above-mentioned shock resistance waterproof foamed cement preparation method includes the following steps: for paper mill sludge ash to be uniformly mixed so as to obtain with water Solution A;By portland cement, lauryl sodium sulfate, α-sodium olefin sulfonate, foam stabilizer, coagulant, water-reducing agent, waterproofing agent, silicon Ash, polypropylene fibre and modified carbon fiber mix, and solution A is then added and mixes, and injection mold molding, it is anti-that maintenance obtains shock resistance Water blown cement.
Embodiment 3
A kind of shock resistance waterproof foamed cement, raw material include: 100 parts of portland cement by weight, dodecyl sulphur 2 parts of sour sodium, 2 parts of α-sodium olefin sulfonate, 0.5 part of foam stabilizer, 0.5 part of coagulant, 0.12 part of poly carboxylic acid series water reducer, waterproofing agent 2 Part, 25 parts of reinforcing agent, 35 parts of water, wherein reinforcing agent is paper mill sludge ash, silicon ash, polypropylene fibre and modified carbon fiber;
In the preparation process of modified carbon fiber, carbon fiber is added in concentrated nitric acid, is warming up to 95 DEG C, insulated and stirred 1h, Carbon fiber is taken to wash, drying obtains median fiber;The 3- mercapto propyl trimethoxy that mass fraction is 5wt% is added in median fiber In the ethanol water of silane, 70 DEG C are warming up to, insulated and stirred 2h filters to take filter cake, successively uses ethyl alcohol, water washing, dries To modified carbon fiber, wherein the weight ratio of carbon fiber and concentrated nitric acid is 1:10, and the ethyl alcohol of 3- mercaptopropyl trimethoxysilane is water-soluble In liquid, the volume ratio of second alcohol and water is 1:9;
The length of polypropylene fibre and modified carbon fiber is 4-5mm;
Paper mill sludge ash, silicon ash, the weight ratio of polypropylene fibre and modified carbon fiber are 16:5:1:0.5.
Above-mentioned shock resistance waterproof foamed cement preparation method includes the following steps: for paper mill sludge ash to be uniformly mixed so as to obtain with water Solution A;By portland cement, lauryl sodium sulfate, α-sodium olefin sulfonate, foam stabilizer, coagulant, water-reducing agent, waterproofing agent, silicon Ash, polypropylene fibre and modified carbon fiber mix, and solution A is then added and mixes, and injection mold molding, it is anti-that maintenance obtains shock resistance Water blown cement.
Embodiment 4
A kind of shock resistance waterproof foamed cement, raw material include: 100 parts of portland cement by weight, dodecyl sulphur 1.2 parts of sour sodium, 0.35 part of foam stabilizer, 0.8 part of coagulant, 0.09 part of poly carboxylic acid series water reducer, is prevented by 2.8 parts of α-sodium olefin sulfonate 2.7 parts of aqua, 20 parts of reinforcing agent, 38 parts of water, wherein reinforcing agent is paper mill sludge ash, silicon ash, polypropylene fibre and modified carbon fiber Dimension;
In the preparation process of modified carbon fiber, carbon fiber is added in concentrated nitric acid, is warming up to 87 DEG C, insulated and stirred 1.8h takes carbon fiber to wash, and drying obtains median fiber;The 3- mercapto propyl that mass fraction is 3.5wt% is added in median fiber In the ethanol water of trimethoxy silane, 78 DEG C are warming up to, insulated and stirred 1.3h filters to take filter cake, successively with ethyl alcohol, washing It washs, drying obtains modified carbon fiber, wherein the weight ratio of carbon fiber and concentrated nitric acid is 1:18,3- mercaptopropyl trimethoxysilane Ethanol water in, the volume ratio of second alcohol and water is 0.7:9.3;
The length of polypropylene fibre and modified carbon fiber is 4-5mm;
Paper mill sludge ash, silicon ash, the weight ratio of polypropylene fibre and modified carbon fiber are 14:7:0.5:1;
Waterproofing agent is iron chloride, frerrous chloride, fluorine sodium silanolate, wherein the weight of iron chloride, frerrous chloride, fluorine sodium silanolate Than for 1.25:1:3;
Coagulant is calcium chloride and sodium carbonate, wherein calcium chloride and sodium carbonate 1:2;
Foam stabilizer is calcium stearate and hydroxypropyl starch ether, wherein the weight ratio of calcium stearate and hydroxypropyl starch ether is 9:1.
Above-mentioned shock resistance waterproof foamed cement preparation method includes the following steps: for paper mill sludge ash to be uniformly mixed so as to obtain with water Solution A;By portland cement, lauryl sodium sulfate, α-sodium olefin sulfonate, foam stabilizer, coagulant, water-reducing agent, waterproofing agent, silicon Ash, polypropylene fibre and modified carbon fiber mix, and solution A is then added and mixes, and injection mold molding, it is anti-that maintenance obtains shock resistance Water blown cement.
Embodiment 5
A kind of shock resistance waterproof foamed cement, raw material include: 100 parts of portland cement by weight, dodecyl sulphur 1.8 parts of sour sodium, 0.45 part of foam stabilizer, 0.7 part of coagulant, 0.11 part of poly carboxylic acid series water reducer, is prevented by 2.2 parts of α-sodium olefin sulfonate 2.3 parts of aqua, 23 parts of reinforcing agent, 37 parts of water, wherein reinforcing agent is paper mill sludge ash, silicon ash, polypropylene fibre and modified carbon fiber Dimension;
In the preparation process of modified carbon fiber, carbon fiber is added in concentrated nitric acid, is warming up to 93 DEG C, insulated and stirred 1.2h takes carbon fiber to wash, and drying obtains median fiber;The 3- mercapto propyl that mass fraction is 4.5wt% is added in median fiber In the ethanol water of trimethoxy silane, 72 DEG C are warming up to, insulated and stirred 1.7h filters to take filter cake, successively with ethyl alcohol, washing It washs, drying obtains modified carbon fiber, wherein the weight ratio of carbon fiber and concentrated nitric acid is 1:12,3- mercaptopropyl trimethoxysilane Ethanol water in, the volume ratio of second alcohol and water is 0.8:9.2;
The length of polypropylene fibre and modified carbon fiber is 4-5mm;
Paper mill sludge ash, silicon ash, the weight ratio of polypropylene fibre and modified carbon fiber are 15:6:0.7:0.7;
Waterproofing agent is iron chloride, frerrous chloride, fluorine sodium silanolate, wherein the weight of iron chloride, frerrous chloride, fluorine sodium silanolate Than for 1.35:1:2;
Coagulant is calcium chloride and sodium carbonate, wherein calcium chloride and sodium carbonate 1:3;
Foam stabilizer is calcium stearate and hydroxypropyl starch ether, wherein the weight ratio of calcium stearate and hydroxypropyl starch ether is 8:1.
Above-mentioned shock resistance waterproof foamed cement preparation method includes the following steps: for paper mill sludge ash to be uniformly mixed so as to obtain with water Solution A;By portland cement, lauryl sodium sulfate, α-sodium olefin sulfonate, foam stabilizer, coagulant, water-reducing agent, waterproofing agent, silicon Ash, polypropylene fibre and modified carbon fiber mix, and solution A is then added and mixes, and injection mold molding, it is anti-that maintenance obtains shock resistance Water blown cement.
Performance detection is carried out to embodiment 1-5, result is as follows:
Intensity of the present invention is high as can be seen from the above table, good waterproof performance.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of shock resistance waterproof foamed cement, which is characterized in that its raw material includes: 100 parts of portland cement by weight, and ten 1-2 parts of sodium dialkyl sulfate, α -2-3 parts of sodium olefin sulfonate, 0.3-0.5 parts of foam stabilizer, 0.5-1 parts of coagulant, water-reducing agent 0.08- 0.12 part, 2-3 parts of waterproofing agent, 18-25 parts of reinforcing agent, 35-40 parts of water, wherein reinforcing agent is paper mill sludge ash, silicon ash, poly- third Alkene fiber and modified carbon fiber.
2. shock resistance waterproof foamed cement according to claim 1, which is characterized in that in the preparation process of modified carbon fiber In, carbon fiber is taken, obtains median fiber through concentrated nitric acid oxidation;Median fiber is added to the ethyl alcohol of 3- mercaptopropyl trimethoxysilane In aqueous solution, it is warming up to 70-80 DEG C, insulated and stirred 1-2h filters to take filter cake, successively uses ethyl alcohol, water washing, and drying is modified Carbon fiber;Preferably, in the preparation process of modified carbon fiber, the step of concentrated nitric acid oxidation are as follows: concentrated nitric acid is added in carbon fiber In, it is warming up to 85-95 DEG C, insulated and stirred 1-2h takes carbon fiber to wash, and drying obtains median fiber;Preferably, in modified carbon fiber In the preparation process of dimension, the weight ratio of carbon fiber and concentrated nitric acid is 1:10-20;Preferably, in the preparation process of modified carbon fiber In, the mass fraction of the ethanol water of 3- mercaptopropyl trimethoxysilane is 3-5wt%, and the volume ratio of second alcohol and water is 0.5- 1:9-9.5.
3. shock resistance waterproof foamed cement according to claim 1 or claim 2, which is characterized in that waterproofing agent is iron chloride, protochloride Iron, fluorine sodium silanolate;Preferably, water-reducing agent is poly carboxylic acid series water reducer.
4. any one of -3 shock resistance waterproof foamed cement according to claim 1, which is characterized in that coagulant be calcium chloride and Sodium carbonate.
5. any one of -4 shock resistance waterproof foamed cement according to claim 1, which is characterized in that foam stabilizer is calcium stearate And hydroxypropyl starch ether.
6. any one of -5 shock resistance waterproof foamed cement according to claim 1, which is characterized in that polypropylene fibre and modification The length of carbon fiber is 4-5mm;Preferably, the weight ratio of paper mill sludge ash, silicon ash, polypropylene fibre and modified carbon fiber is 14-16:5-7:0.5-1:0.5-1.
7. according to any one of the claim 3-6 shock resistance waterproof foamed cement, which is characterized in that iron chloride, frerrous chloride, The weight ratio of fluorine sodium silanolate is 1.25-1.35:1:2-3.
8. according to any one of the claim 4-7 shock resistance waterproof foamed cement, which is characterized in that calcium chloride and sodium carbonate 1: 2-3。
9. according to any one of the claim 5-8 shock resistance waterproof foamed cement, which is characterized in that calcium stearate and hydroxypropyl The weight ratio of starch ether is 8-9:1.
10. one kind shock resistance waterproof foamed cement preparation method as described in claim any one of 1-9, which is characterized in that including Following steps: paper mill sludge ash and water are uniformly mixed so as to obtain solution A;By portland cement, lauryl sodium sulfate, α-olefin sulfonic acid Sodium, foam stabilizer, coagulant, water-reducing agent, waterproofing agent, silicon ash, polypropylene fibre and modified carbon fiber mix, and solution A is then added It mixes, injection mold molding, maintenance obtains shock resistance waterproof foamed cement.
CN201811070022.XA 2018-09-13 2018-09-13 A kind of shock resistance waterproof foamed cement and preparation method thereof Pending CN109279834A (en)

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CN110791265A (en) * 2019-11-26 2020-02-14 陕西博世威科技有限责任公司 Preparation method of carbon fiber toughening agent for oil well cement
CN115028413A (en) * 2022-06-23 2022-09-09 林治刚 Wear-resistant high-strength cement and preparation method thereof
CN116789424A (en) * 2023-07-19 2023-09-22 捷安特(昆山)有限公司 Preparation method of carbon fiber cement composite material

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Publication number Priority date Publication date Assignee Title
CN110791265A (en) * 2019-11-26 2020-02-14 陕西博世威科技有限责任公司 Preparation method of carbon fiber toughening agent for oil well cement
CN110791265B (en) * 2019-11-26 2021-10-01 四川盛年同缔实业有限公司 Preparation method of carbon fiber toughening agent for oil well cement
CN115028413A (en) * 2022-06-23 2022-09-09 林治刚 Wear-resistant high-strength cement and preparation method thereof
CN116789424A (en) * 2023-07-19 2023-09-22 捷安特(昆山)有限公司 Preparation method of carbon fiber cement composite material

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Application publication date: 20190129