CN107162553A - A kind of brushing gypsum and preparation method thereof - Google Patents

A kind of brushing gypsum and preparation method thereof Download PDF

Info

Publication number
CN107162553A
CN107162553A CN201710589057.3A CN201710589057A CN107162553A CN 107162553 A CN107162553 A CN 107162553A CN 201710589057 A CN201710589057 A CN 201710589057A CN 107162553 A CN107162553 A CN 107162553A
Authority
CN
China
Prior art keywords
parts
rubber powder
water
agent
gypsum
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.)
Withdrawn
Application number
CN201710589057.3A
Other languages
Chinese (zh)
Inventor
黄洋
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.)
Hefei Guang Min Building Materials Co Ltd
Original Assignee
Hefei Guang Min Building Materials Co Ltd
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 Hefei Guang Min Building Materials Co Ltd filed Critical Hefei Guang Min Building Materials Co Ltd
Priority to CN201710589057.3A priority Critical patent/CN107162553A/en
Publication of CN107162553A publication Critical patent/CN107162553A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C04B28/14Compositions 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 calcium sulfate cements
    • C04B28/142Compositions 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 calcium sulfate cements containing synthetic or waste calcium sulfate cements
    • C04B28/144Compositions 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 calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
    • 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
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482Coating or impregnation 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
    • 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
    • C04B2111/34Non-shrinking or non-cracking materials
    • C04B2111/343Crack resistant materials

Abstract

The invention discloses a kind of brushing gypsum and preparation method thereof, it is related to gypsum technical field, includes the raw material of following part meter:45 ~ 65 parts of 55 ~ 65 parts of desulfurated plaster, 40 ~ 42 parts of modified rubber powder, 34 ~ 36 parts of cement, 24 ~ 26 parts of atoleine, 20 ~ 22 parts of modification infusorial earth, 18 ~ 20 parts of mineral admixture, 14 ~ 16 parts of manganese slag, 10 ~ 14 parts of auxiliary agent and water.The present invention and the cohesive force of base course wall are strong, and coating does not ftracture, difficult for drop-off, easy construction.

Description

A kind of brushing gypsum and preparation method thereof
Technical field
The present invention relates to gypsum technical field, and in particular to a kind of brushing gypsum and preparation method thereof.
Background technology
In recent years, for the level requirements of building interior decoration, appearance requirement, environmental requirement more and more higher, so It is required that interior material has a harmless environmental protection characteristic, and brushing gypsum is inorganic material, nontoxic fireproof environmental, and its is main Gypsum for the various metopes of Indoor environment and ceiling plastering, and brushing gypsum is containing 2 crystallizations water, in the external world in itself Moisture all can be enough discharged when environmental drying, it is possible to the humidity in regulation room, and with fire prevention effect.But, it is existing The cohesive force of some brushing gypsum and base course wall is poor, and constructing operation is cumbersome.
The content of the invention
It is an object of the invention to provide a kind of brushing gypsum and preparation method thereof, the cohesive force with base course wall is strong, coating Do not ftracture, difficult for drop-off, easy construction.
The invention provides following technical scheme:A kind of brushing gypsum, includes the raw material of following part meter:Desulfurated plaster 55 ~ 65 parts, 40 ~ 42 parts of modified rubber powder, 34 ~ 36 parts of cement, 24 ~ 26 parts of atoleine, 20 ~ 22 parts of modification infusorial earth, mineral mix Close 45 ~ 65 parts of 18 ~ 20 parts of material, 14 ~ 16 parts of manganese slag, 10 ~ 14 parts of auxiliary agent and water;
The modified rubber powder includes the raw material that following part is counted:24 ~ 26 parts of rubber powder, 20 ~ 21 parts of VTES, 15 ~ 16 parts of 17 ~ 18 parts of hydroxy-ethyl acrylate, 10 ~ 13 parts of potassium peroxydisulfate and water;
The auxiliary agent includes the raw material that following part is counted:2 ~ 3 parts of exciting agent, 2 ~ 3 parts of water-loss reducer, 1 ~ 2 part of binding agent, water reducer 1 ~ 2 0.4 ~ 0.6 part of part, 1 ~ 2 part of retarder, 0.8 ~ 1.2 part of antimitotic agent and hydrophober.
Wherein, semi-hydrated gypsum of the desulfurated plaster for the waste residue produced by after means of flue gas desulfurization of power plant Jing Guo calcining, The average grain diameter of the desulfurated plaster is 0.035 ~ 0.075mm.
Wherein, the rubber powder is crushed by junked tire and is made, and granularity is 300 ~ 400 mesh.
Wherein, the cement is the one or more of Portland cement, sulphate aluminium cement and slag cements.
Wherein, the preparation method of the modification infusorial earth is:The sodium chloride solution of mass concentration 30% and diatomite are pressed According to 2 ~ 3:1 ratio is mixed, and is stirred under 200 ~ 300r/min speed conditions, is filtered, is dried the modified diatom is made Soil.
Wherein, the water-loss reducer is one kind in methyl cellulose ether, TYLOSE 30000 and hydroxyethyl ether cellulose Or it is several, the binding agent is polyvinyl alcohol, and the water reducer is Amino-sulfonic Acid-based Water-reducer.
Wherein, the exciting agent includes the raw material that following part is counted:1 ~ 2 part of nano zine oxide, Potassium aluminum sulfate dodecahydrate 0.6 ~ 0.2 ~ 0.4 part of 0.8 part, 0.4 ~ 0.6 part of aluminum sulfate and sodium metasilicate, the retarder are sodium tripolyphosphate, citric acid and citric acid One or more in sodium, the antimitotic agent is lignocellulosic, and the hydrophober is organosilicon moisture repellent.
Wherein, the mineral admixture is the one or more in flyash, miberal powder and silicon ash.
The present invention provides a kind of preparation method of brushing gypsum, comprises the following steps:
(1), prepare oxidation sweetening gypsum
Desulfurated plaster is weighed, 55 ~ 85 mesh sieves are crossed after crushing, are put into 0.5 ~ 1mol/L hydrochloric acid solution, with 250 ~ 300r/min Speed conditions stir 20 ~ 30min, stand 20 ~ 25min, be filtrated to get after filter residue, drying and processing obtain desulfurated plaster mixing Thing;
Desulfurated plaster mixture is put into cyclone separator and purified, setting speed is 200~300r/min, is put into and forges after taking-up Burn in stove, under 200~300 DEG C of temperature conditionss, calcine 1 ~ 2h, obtain oxidation sweetening gypsum, it is standby;
(2), prepare modified rubber powder
VTES, hydroxy-ethyl acrylate, potassium peroxydisulfate and water are weighed according to proportioning, it is well mixed to obtain rubber Powder modifying agent, rubber powder modifier is heated, and heating and temperature control is 40 ~ 42 DEG C, and heat time control is 25 ~ 30min, Then rubber powder is added into rubber powder modifier, it is soaked rubber powder, 3 ~ 5h is stirred with 100 ~ 200r/min rotating speed, is done Modified rubber powder is obtained after dry;
(3), according to proportioning weigh surplus stock successively, be put into mixer, 40 ~ 50min stirred with 300 ~ 500r/min rotating speed, Then step is added(1)Oxidation sweetening gypsum and step(2)Modified rubber powder, with 200 ~ 300r/min rotating speed stirring 1 ~ 2h, obtains the brushing gypsum.
Beneficial effects of the present invention:Cohesive force with base course wall is strong, and coating does not ftracture, difficult for drop-off, easy construction, tool Body is as follows:
(1), the present invention oxidation sweetening gypsum is prepared using desulfurated plaster in the feed, improve cohesive force and heat-insulating property, together When enhance its stability, the cohesive force of obtained brushing gypsum and base course wall is strong, in construction, only need to be by the powder of the present invention Brush gypsum is directly criticized and scraped in the outer surface of construction wall, and construction is simple, condenses fast, the construction period can shorten 60% or so;
(2), the present invention add flyash in the feed, it possesses the particle characteristics being equal with glass microballoon, plays increase system Mobility and improve compaction rate effect;One kind in sodium tripolyphosphate, citric acid and sodium citrate is added in the feed Or it is several as retarder, overall rupture strength and compression strength can be improved;Methyl cellulose ether, carboxylic are added in the feed It is one or more of as water-loss reducer in methyl cellulose ether and hydroxyethyl ether cellulose, improve the overall water-retaining property of gypsum Denseness and anti-vertical fluidity, can be enhanced, water retention is 93~95%, will not be not enough because of early hydration, produces drying shrinkage slight crack Phenomenon;
(3), the present invention add organosilicon moisture repellent in the feed, for play a part of reduce brushing gypsum water absorption rate, improve Its water resistance;Addition lignocellulosic is as antimitotic agent in the feed, for strengthening shear bond strength;
(4), the present invention in the feed add manganese slag, be cellular structures, be manganeisen and manganese alloy smelting process High temperature clinker is formed through water quenching cooling, with the architectural feature similar to glass bead, light weight, porous, nature of glass shell, and Containing a large amount of closed pore structures, insulation effect is played;
(5), the present invention add modified rubber powder in the feed, play a part of reduce cement slurry consumption, with the second of vinyl three TMOS, hydroxy-ethyl acrylate, potassium peroxydisulfate and water as modifying agent to modifying rubber powder processing, for strengthen rubber powder with Caking property between remaining raw material, obtained modified rubber powder is added in gypsum entirety, can not only improve toughness and anti-impact Hitting property, but also anti-contracility, freeze-thaw resistance and adhesion strength can be improved;
(6), the present invention add exciting agent in the feed, can fully improve overall early hydration speed, be effectively improved raw material it Between interracial contact situation, improve interface binding power, improve hardenite intensity.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without In limitation the scope of the present invention.
Embodiment 1
A kind of brushing gypsum, includes the raw material of following part meter:55 parts of desulfurated plaster, 40 parts of modified rubber powder, 34 parts of cement, liquid 45 parts of 24 parts of paraffin, 20 parts of modification infusorial earth, 18 parts of mineral admixture, 14 parts of manganese slag, 10 parts of auxiliary agent and water;
The modified rubber powder includes the raw material that following part is counted:24 parts of rubber powder, 20 parts of VTES, acrylic acid 15 parts of 17 parts of hydroxyl ethyl ester, 10 parts of potassium peroxydisulfate and water;
The auxiliary agent includes the raw material that following part is counted:2 parts of exciting agent, 2 parts of water-loss reducer, 1 part of binding agent, 1 part of water reducer, retarder 0.4 part of 1 part, 0.8 part of antimitotic agent and hydrophober.
Wherein, semi-hydrated gypsum of the desulfurated plaster for the waste residue produced by after means of flue gas desulfurization of power plant Jing Guo calcining, The average grain diameter of the desulfurated plaster is 0.035mm.
Wherein, the rubber powder is crushed by junked tire and is made, and granularity is 300 mesh.
Wherein, the cement is Portland cement.
Wherein, the preparation method of the modification infusorial earth is:The sodium chloride solution of mass concentration 30% and diatomite are pressed According to 2:1 ratio is mixed, and is stirred under 200r/min speed conditions, is filtered, is dried the modification infusorial earth is made.
Wherein, the water-loss reducer is methyl cellulose ether, and the binding agent is polyvinyl alcohol, and the water reducer is amino sulphur Hydrochlorate series high-efficiency water-reducing agent.
Wherein, the exciting agent includes the raw material that following part is counted:1 part of nano zine oxide, 0.6 part of Potassium aluminum sulfate dodecahydrate, 0.2 part of 0.4 part of aluminum sulfate and sodium metasilicate, the retarder are sodium tripolyphosphate, and the antimitotic agent is lignocellulosic, described to hate Aqua is organosilicon moisture repellent.
Wherein, the mineral admixture is flyash.
A kind of preparation method of brushing gypsum is provided in the present embodiment, comprised the following steps:
(1), prepare oxidation sweetening gypsum
Desulfurated plaster is weighed, 55 mesh sieves are crossed after crushing, are put into 0.5mol/L hydrochloric acid solution, with 250r/min speed conditions 20min is stirred, 20min is stood, is filtrated to get after filter residue, drying and processing and obtains desulfurated plaster mixture;
Desulfurated plaster mixture is put into cyclone separator and purified, setting speed is to be put into calcining furnace after 200r/min, taking-up In, under 200 DEG C of temperature conditionss, 1h is calcined, oxidation sweetening gypsum is obtained, it is standby;
(2), prepare modified rubber powder
VTES, hydroxy-ethyl acrylate, potassium peroxydisulfate and water are weighed according to proportioning, it is well mixed to obtain rubber Powder modifying agent, rubber powder modifier is heated, and heating and temperature control is 40 DEG C, and heat time control is 25min, Ran Houxiang Rubber powder is added in rubber powder modifier, it is soaked rubber powder, 3h is stirred with 100r/min rotating speed, is modified after drying Rubber powder;
(3), according to proportioning weigh surplus stock successively, be put into mixer, 40min, Ran Houjia stirred with 300r/min rotating speed Enter step(1)Oxidation sweetening gypsum and step(2)Modified rubber powder, 1h is stirred with 200r/min rotating speed, obtains described Brushing gypsum.
Embodiment 2
A kind of brushing gypsum, includes the raw material of following part meter:65 parts of desulfurated plaster, 42 parts of modified rubber powder, 36 parts of cement, liquid 65 parts of 26 parts of paraffin, 22 parts of modification infusorial earth, 20 parts of mineral admixture, 16 parts of manganese slag, 14 parts of auxiliary agent and water;
The modified rubber powder includes the raw material that following part is counted:26 parts of rubber powder, 21 parts of VTES, acrylic acid 16 parts of 18 parts of hydroxyl ethyl ester, 13 parts of potassium peroxydisulfate and water;
The auxiliary agent includes the raw material that following part is counted:3 parts of exciting agent, 3 parts of water-loss reducer, 2 parts of binding agent, 2 parts of water reducer, retarder 0.6 part of 2 parts, 1.2 parts of antimitotic agent and hydrophober.
Wherein, semi-hydrated gypsum of the desulfurated plaster for the waste residue produced by after means of flue gas desulfurization of power plant Jing Guo calcining, The average grain diameter of the desulfurated plaster is 0.075mm.
Wherein, the rubber powder is crushed by junked tire and is made, and granularity is 400 mesh.
Wherein, the cement is sulphate aluminium cement.
Wherein, the preparation method of the modification infusorial earth is:The sodium chloride solution of mass concentration 30% and diatomite are pressed According to 3:1 ratio is mixed, and is stirred under 300r/min speed conditions, is filtered, is dried the modification infusorial earth is made.
Wherein, the water-loss reducer is TYLOSE 30000, and the binding agent is polyvinyl alcohol, and the water reducer is amino Sulfonate series high-efficiency water-reducing agent.
Wherein, the exciting agent includes the raw material that following part is counted:2 parts of nano zine oxide, 0.8 part of Potassium aluminum sulfate dodecahydrate, 0.4 part of 0.6 part of aluminum sulfate and sodium metasilicate, the retarder are citric acid, and the antimitotic agent is lignocellulosic, the hydrophober For organosilicon moisture repellent.
Wherein, the mineral admixture is miberal powder.
A kind of preparation method of brushing gypsum is provided in the present embodiment, comprised the following steps:
(1), prepare oxidation sweetening gypsum
Desulfurated plaster is weighed, 85 mesh sieves are crossed after crushing, is put into 1mol/L hydrochloric acid solution, is stirred with 300r/min speed conditions 30min is mixed, 25min is stood, is filtrated to get after filter residue, drying and processing and obtains desulfurated plaster mixture;
Desulfurated plaster mixture is put into cyclone separator and purified, setting speed is to be put into calcining furnace after 300r/min, taking-up In, under 300 DEG C of temperature conditionss, 2h is calcined, oxidation sweetening gypsum is obtained, it is standby;
(2), prepare modified rubber powder
VTES, hydroxy-ethyl acrylate, potassium peroxydisulfate and water are weighed according to proportioning, it is well mixed to obtain rubber Powder modifying agent, rubber powder modifier is heated, and heating and temperature control is 42 DEG C, and heat time control is 30min, Ran Houxiang Rubber powder is added in rubber powder modifier, it is soaked rubber powder, 5h is stirred with 200r/min rotating speed, is modified after drying Rubber powder;
(3), according to proportioning weigh surplus stock successively, be put into mixer, 50min, Ran Houjia stirred with 500r/min rotating speed Enter step(1)Oxidation sweetening gypsum and step(2)Modified rubber powder, 2h is stirred with 300r/min rotating speed, obtains described Brushing gypsum.
Embodiment 3
A kind of brushing gypsum, includes the raw material of following part meter:60 parts of desulfurated plaster, 41 parts of modified rubber powder, 35 parts of cement, liquid 55 parts of 25 parts of paraffin, 21 parts of modification infusorial earth, 19 parts of mineral admixture, 15 parts of manganese slag, 12 parts of auxiliary agent and water;
The modified rubber powder includes the raw material that following part is counted:24 ~ 26 parts of rubber powder, 20 ~ 21 parts of VTES, 15.5 parts of 17.5 parts of hydroxy-ethyl acrylate, 11.5 parts of potassium peroxydisulfate and water;
The auxiliary agent includes the raw material that following part is counted:2.5 parts of exciting agent, 2.5 parts of water-loss reducer, 1.5 parts of binding agent, water reducer 1.5 Part, 1.5 parts of retarder, 1 part of antimitotic agent and 0.5 part of hydrophober.
Wherein, semi-hydrated gypsum of the desulfurated plaster for the waste residue produced by after means of flue gas desulfurization of power plant Jing Guo calcining, The average grain diameter of the desulfurated plaster is 0.05mm.
Wherein, the rubber powder is crushed by junked tire and is made, and granularity is 350 mesh.
Wherein, the cement is slag cements.
Wherein, the preparation method of the modification infusorial earth is:The sodium chloride solution of mass concentration 30% and diatomite are pressed According to 3:1 ratio is mixed, and is stirred under 250r/min speed conditions, is filtered, is dried the modification infusorial earth is made.
Wherein, the water-loss reducer is hydroxyethyl ether cellulose, and the binding agent is polyvinyl alcohol, and the water reducer is amino Sulfonate series high-efficiency water-reducing agent.
Wherein, the exciting agent includes the raw material that following part is counted:1.5 parts of nano zine oxide, Potassium aluminum sulfate dodecahydrate 0.7 0.3 part of part, 0.5 part of aluminum sulfate and sodium metasilicate, the retarder are sodium citrate, and the antimitotic agent is lignocellulosic, described Hydrophober is organosilicon moisture repellent.
Wherein, the mineral admixture is silicon ash.
A kind of preparation method of brushing gypsum is provided in the present embodiment, comprised the following steps:
(1), prepare oxidation sweetening gypsum
Desulfurated plaster is weighed, 75 mesh sieves are crossed after crushing, are put into 0.8mol/L hydrochloric acid solution, with 275r/min speed conditions 25min is stirred, 23min is stood, is filtrated to get after filter residue, drying and processing and obtains desulfurated plaster mixture;
Desulfurated plaster mixture is put into cyclone separator and purified, setting speed is to be put into calcining furnace after 250r/min, taking-up In, under 250 DEG C of temperature conditionss, 1.5h is calcined, oxidation sweetening gypsum is obtained, it is standby;
(2), prepare modified rubber powder
VTES, hydroxy-ethyl acrylate, potassium peroxydisulfate and water are weighed according to proportioning, it is well mixed to obtain rubber Powder modifying agent, rubber powder modifier is heated, and heating and temperature control is 41 DEG C, and heat time control is 26min, Ran Houxiang Rubber powder is added in rubber powder modifier, it is soaked rubber powder, 4h is stirred with 110r/min rotating speed, is modified after drying Rubber powder;
(3), according to proportioning weigh surplus stock successively, be put into mixer, 45min, Ran Houjia stirred with 400r/min rotating speed Enter step(1)Oxidation sweetening gypsum and step(2)Modified rubber powder, 1.5h is stirred with 250r/min rotating speed, institute is obtained State brushing gypsum.
The present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, its according to The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is equally replaced Change.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention Protection domain within.

Claims (10)

1. a kind of brushing gypsum, it is characterised in that the raw material counted including following part:55 ~ 65 parts of desulfurated plaster, modified rubber powder 40 ~ 42 parts, 34 ~ 36 parts of cement, 24 ~ 26 parts of atoleine, 20 ~ 22 parts of modification infusorial earth, 18 ~ 20 parts of mineral admixture, manganese slag 14 ~ 45 ~ 65 parts of 16 parts, 10 ~ 14 parts of auxiliary agent and water;
The modified rubber powder includes the raw material that following part is counted:24 ~ 26 parts of rubber powder, 20 ~ 21 parts of VTES, 15 ~ 16 parts of 17 ~ 18 parts of hydroxy-ethyl acrylate, 10 ~ 13 parts of potassium peroxydisulfate and water;
The auxiliary agent includes the raw material that following part is counted:2 ~ 3 parts of exciting agent, 2 ~ 3 parts of water-loss reducer, 1 ~ 2 part of binding agent, water reducer 1 ~ 2 0.4 ~ 0.6 part of part, 1 ~ 2 part of retarder, 0.8 ~ 1.2 part of antimitotic agent and hydrophober.
2. brushing gypsum according to claim 1, it is characterised in that the raw material counted including following part:60 parts of desulfurated plaster, 41 parts of modified rubber powder, 35 parts of cement, 25 parts of atoleine, 21 parts of modification infusorial earth, 19 parts of mineral admixture, 15 parts of manganese slag, 55 parts of 12 parts of auxiliary agent and water;
The modified rubber powder includes the raw material that following part is counted:25 parts of rubber powder, 20.5 parts of VTES, propylene 15.5 parts of sour 17.5 parts of hydroxyl ethyl ester, 11.5 parts of potassium peroxydisulfate and water;
The auxiliary agent includes the raw material that following part is counted:2.5 parts of exciting agent, 2.5 parts of water-loss reducer, 1.5 parts of binding agent, water reducer 1.5 Part, 1.5 parts of retarder, 1 part of antimitotic agent and 0.5 part of hydrophober.
3. brushing gypsum according to claim 1, it is characterised in that the desulfurated plaster after means of flue gas desulfurization of power plant by producing Semi-hydrated gypsum of the raw waste residue Jing Guo calcining, the average grain diameter of the desulfurated plaster is 0.035 ~ 0.075mm.
4. brushing gypsum according to claim 1, it is characterised in that the rubber powder is crushed by junked tire and is made, grain Spend for 300 ~ 400 mesh.
5. brushing gypsum according to claim 1, it is characterised in that the cement is Portland cement, sulphur aluminic acid The one or more of salt cement and slag cements.
6. brushing gypsum according to claim 1, it is characterised in that the preparation method of the modification infusorial earth is:By matter The sodium chloride solution and diatomite of concentration 30% are measured according to 2 ~ 3:1 ratio is mixed, and is stirred under 200 ~ 300r/min speed conditions Uniformly, filter, the modification infusorial earth is made in drying.
7. brushing gypsum according to claim 1, it is characterised in that the water-loss reducer is methyl cellulose ether, carboxymethyl One or more in cellulose ether and hydroxyethyl ether cellulose, the binding agent is polyvinyl alcohol, and the water reducer is amino Sulfonate series high-efficiency water-reducing agent.
8. brushing gypsum according to claim 1, it is characterised in that the exciting agent includes the raw material that following part is counted:Receive 0.2 ~ 0.4 part of 1 ~ 2 part of zinc oxide of rice, 0.6 ~ 0.8 part of Potassium aluminum sulfate dodecahydrate, 0.4 ~ 0.6 part of aluminum sulfate and sodium metasilicate, it is described slow Solidifying agent is the one or more in sodium tripolyphosphate, citric acid and sodium citrate, and the antimitotic agent is lignocellulosic, described to hate Aqua is organosilicon moisture repellent.
9. brushing gypsum according to claim 1, it is characterised in that the mineral admixture is flyash, miberal powder and silicon One or more in ash.
10. the preparation method of a kind of brushing gypsum according to any one of claim 1 ~ 9, it is characterised in that including as follows Step:
(1), prepare oxidation sweetening gypsum
Desulfurated plaster is weighed, 55 ~ 85 mesh sieves are crossed after crushing, are put into 0.5 ~ 1mol/L hydrochloric acid solution, with 250 ~ 300r/min Speed conditions stir 20 ~ 30min, stand 20 ~ 25min, be filtrated to get after filter residue, drying and processing obtain desulfurated plaster mixing Thing;
Desulfurated plaster mixture is put into cyclone separator and purified, setting speed is 200~300r/min, is put into and forges after taking-up Burn in stove, under 200~300 DEG C of temperature conditionss, calcine 1 ~ 2h, obtain oxidation sweetening gypsum, it is standby;
(2), prepare modified rubber powder
VTES, hydroxy-ethyl acrylate, potassium peroxydisulfate and water are weighed according to proportioning, it is well mixed to obtain rubber Powder modifying agent, rubber powder modifier is heated, and heating and temperature control is 40 ~ 42 DEG C, and heat time control is 25 ~ 30min, Then rubber powder is added into rubber powder modifier, it is soaked rubber powder, 3 ~ 5h is stirred with 100 ~ 200r/min rotating speed, is done Modified rubber powder is obtained after dry;
(3), according to proportioning weigh surplus stock successively, be put into mixer, 40 ~ 50min stirred with 300 ~ 500r/min rotating speed, Then step is added(1)Oxidation sweetening gypsum and step(2)Modified rubber powder, with 200 ~ 300r/min rotating speed stirring 1 ~ 2h, obtains the brushing gypsum.
CN201710589057.3A 2017-07-19 2017-07-19 A kind of brushing gypsum and preparation method thereof Withdrawn CN107162553A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710589057.3A CN107162553A (en) 2017-07-19 2017-07-19 A kind of brushing gypsum and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710589057.3A CN107162553A (en) 2017-07-19 2017-07-19 A kind of brushing gypsum and preparation method thereof

Publications (1)

Publication Number Publication Date
CN107162553A true CN107162553A (en) 2017-09-15

Family

ID=59817068

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710589057.3A Withdrawn CN107162553A (en) 2017-07-19 2017-07-19 A kind of brushing gypsum and preparation method thereof

Country Status (1)

Country Link
CN (1) CN107162553A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108264318A (en) * 2018-01-24 2018-07-10 合肥市大卓电力有限责任公司 A kind of waterproof brushing gypsum and preparation method thereof
CN108314460A (en) * 2018-02-05 2018-07-24 合肥峰腾节能科技有限公司 A kind of moisture-proof wallboard of antibacterial and preparation method thereof
CN109553350A (en) * 2018-12-24 2019-04-02 海门市帕源道路工程材料有限公司 A kind of concrete and preparation method thereof
CN109665794A (en) * 2018-12-29 2019-04-23 泰山石膏有限公司 A kind of heavy desulfurization plastering gupsum
CN110759697A (en) * 2019-11-29 2020-02-07 江苏省苏安能节能建材科技有限公司 Gypsum mortar and preparation method thereof
CN113943124A (en) * 2021-11-29 2022-01-18 四川大学 Waste rubber powder modified acrylic acid waterproof agent, gypsum material and preparation method thereof
CN114853439A (en) * 2022-06-01 2022-08-05 瓮福(集团)有限责任公司 Phosphogypsum-based fireproof door core board and preparation process thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101691292A (en) * 2009-09-30 2010-04-07 谢日清 Lightweight wall plaster
CN103833309A (en) * 2014-01-02 2014-06-04 武汉理工大学 Desulfurized gypsum-based heat-preserving moisture-adjusting plastering gypsum material
CN104058707A (en) * 2014-07-03 2014-09-24 河北科技大学 Water-resistant gypsum base wall repair material
CN105130359A (en) * 2015-09-15 2015-12-09 安庆越球建筑防水材料有限公司 Waterproof painting gypsum and preparation method of waterproof painting gypsum
CN105967732A (en) * 2016-03-29 2016-09-28 蚌埠华东石膏有限公司 Mothproof insulation building gypsum powder with high compressive strength and manufacture method thereof
CN106904925A (en) * 2017-04-09 2017-06-30 湖南七纬科技有限公司 A kind of ardealite based self-leveling material

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101691292A (en) * 2009-09-30 2010-04-07 谢日清 Lightweight wall plaster
CN103833309A (en) * 2014-01-02 2014-06-04 武汉理工大学 Desulfurized gypsum-based heat-preserving moisture-adjusting plastering gypsum material
CN104058707A (en) * 2014-07-03 2014-09-24 河北科技大学 Water-resistant gypsum base wall repair material
CN105130359A (en) * 2015-09-15 2015-12-09 安庆越球建筑防水材料有限公司 Waterproof painting gypsum and preparation method of waterproof painting gypsum
CN105967732A (en) * 2016-03-29 2016-09-28 蚌埠华东石膏有限公司 Mothproof insulation building gypsum powder with high compressive strength and manufacture method thereof
CN106904925A (en) * 2017-04-09 2017-06-30 湖南七纬科技有限公司 A kind of ardealite based self-leveling material

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108264318A (en) * 2018-01-24 2018-07-10 合肥市大卓电力有限责任公司 A kind of waterproof brushing gypsum and preparation method thereof
CN108314460A (en) * 2018-02-05 2018-07-24 合肥峰腾节能科技有限公司 A kind of moisture-proof wallboard of antibacterial and preparation method thereof
CN109553350A (en) * 2018-12-24 2019-04-02 海门市帕源道路工程材料有限公司 A kind of concrete and preparation method thereof
CN109665794A (en) * 2018-12-29 2019-04-23 泰山石膏有限公司 A kind of heavy desulfurization plastering gupsum
CN109665794B (en) * 2018-12-29 2021-12-24 泰山石膏有限公司 Heavy desulfurization plastering gypsum
CN110759697A (en) * 2019-11-29 2020-02-07 江苏省苏安能节能建材科技有限公司 Gypsum mortar and preparation method thereof
CN110759697B (en) * 2019-11-29 2021-11-30 江苏省苏安能节能建材科技有限公司 Gypsum mortar and preparation method thereof
CN113943124A (en) * 2021-11-29 2022-01-18 四川大学 Waste rubber powder modified acrylic acid waterproof agent, gypsum material and preparation method thereof
CN114853439A (en) * 2022-06-01 2022-08-05 瓮福(集团)有限责任公司 Phosphogypsum-based fireproof door core board and preparation process thereof

Similar Documents

Publication Publication Date Title
CN107162553A (en) A kind of brushing gypsum and preparation method thereof
CN103159440B (en) Cement based ungauged regions wall-through hole plugging material and preparation method thereof and constructional method
CN103992091B (en) A kind of light-high-strength aerated bricks and preparation method thereof
CN102584118B (en) Environment-friendly high-performance waterproof flame-retardant plastering mortar and preparation method thereof
CN106007613B (en) A kind of self heat insulation wall gypsum based composite and preparation method thereof
CN109694227A (en) Gypsum base Machine-blasting mortar and preparation method thereof and gypsum base machine spray plastering slurry
CN104211334B (en) A kind of hollow brick and preparation method thereof
CN105016636B (en) A kind of gypsum slag cement insulation board and its preparation technology
CN108373309A (en) A kind of heat preservation brushing gypsum and preparation method thereof for inner wall of building
CN107721358A (en) Slag micropowder mixes perlite tailing baking-free ceramicite and preparation method thereof
CN104098344A (en) Ceramic fiber aerated brick and preparation method thereof
CN109987912A (en) Zeolite prepares iron tailings dry powder and mortar
CN109020449B (en) A kind of jet printing type ardealite base fireproof mortar and its preparation method and application of stalk fibre enhancing
CN103449764A (en) Heat-resistant aerated brick
CN104386996A (en) Crack-resistant plasterboard
CN104446608A (en) Antibacterial high-strength aerated brick and preparation method thereof
CN107902966A (en) A kind of unburned red mud porcelain granule mixture and preparation method thereof
CN104446190A (en) Thermal-insulation and anti-corrosion aerated brick and preparation method thereof
CN106946537A (en) A kind of titanium gypsum high performance concrete building materials and preparation method thereof
CN104446610B (en) A kind of water-fast high intensity aerated bricks and preparation method thereof
CN108264318A (en) A kind of waterproof brushing gypsum and preparation method thereof
CN104446609A (en) Anti-seepage aerated brick and preparation method thereof
CN110803892B (en) Light insulation board and preparation method thereof
CN107162625A (en) A kind of fireproof insulation brick and preparation method thereof
CN104446611A (en) Heat-insulating and sound-absorbing aerated brick and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20170915