CN108314461A - A kind of cracking resistance plasterboard and preparation method thereof - Google Patents
A kind of cracking resistance plasterboard and preparation method thereof Download PDFInfo
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- CN108314461A CN108314461A CN201810163417.8A CN201810163417A CN108314461A CN 108314461 A CN108314461 A CN 108314461A CN 201810163417 A CN201810163417 A CN 201810163417A CN 108314461 A CN108314461 A CN 108314461A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions 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
- C04B28/142—Compositions 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
- C04B28/143—Compositions 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 phosphogypsum
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, 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)
Abstract
The invention discloses a kind of cracking resistance plasterboards and preparation method thereof, are related to decorative materials technology, which includes following raw material：Modified gypsum, coating wollastonite, sepiolite fibre, chabasie powder, silicones polyethers lotion, p-hydroxybenzoic acid, 2-Butoxyethyl acetate, chlorinated paraffin, ammonium persulfate, tetra-n-butyl titanate, retarder, water-reducing agent, foaming agent and waterproofing agent.Preparation method is by the way that raw material mixing, ageing, molding, maintenance, demoulding, drying are made.The plasterboard manufacturing cost of the present invention is low, environmentally protective, light, and there is excellent case hardness, compression strength and toughness can have preferable integrity and stability, securely and reliably under the action of by external force；In addition, the plasterboard of the present invention also has the characteristics of heat preservation and soundproof, water proof fire retardant, corrosion-resistant, weathering, service life is long, is widely used.
Description
Technical field
The present invention relates to decorative materials technologies, and in particular to a kind of cracking resistance plasterboard and preparation method thereof.
Background technology
Plasterboard is using building gypsum as a kind of building material made of primary raw material, is the novel light of current development emphatically
One of lumber.Plasterboard be widely used in the various buildings such as house, office building, shop, hotel and industrial premises it is interior every
Wall, wall cladding boards (instead of floated coat), ceiling, abatvoix, ground layer plate and various decorative panels etc..Currently, city
Plasterboard on face mainly has Thistle board, decorated gypsum board, gypsum hollow lath etc..And the plasterboard of these types is universal
It is exactly that mechanical strength is poor there are a major defect, under the conditions of the external force such as being given a shock, impacting, squeeze and moist ring
The serious quality problems such as fall off, crack of gypsum material can be caused not only to influence architectural appearance while moulding damages under border,
Certain hidden danger is more caused to the safety of building decoration.
Invention content
For problems of the prior art, the present invention provides a kind of cracking resistance plasterboard and preparation method thereof, this kinds
Plasterboard manufacturing cost is low, environmentally protective, light, has excellent case hardness, compression strength and toughness.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of cracking resistance plasterboard, including following raw material by weight：100-120 parts of modified gypsum, coating wollastonite
20-30 parts, 15-25 parts of sepiolite fibre, 6-10 parts of chabasie powder, 8-12 parts of silicones polyethers lotion, p-hydroxybenzoic acid 1-3
Part, 1-2 parts of 2-Butoxyethyl acetate, 2-4 parts of chlorinated paraffin, 1-3 parts of ammonium persulfate, 1-2 parts of tetra-n-butyl titanate, retarder
2-4 parts of 1-5 parts, 1-3 parts of water-reducing agent, 3-5 parts of foaming agent and waterproofing agent；
Above-mentioned modified gypsum is made by following steps：Raw material phosphogypsum slag is taken, is placed in ball mill and grinds,
It after crossing 80-100 mesh sieve, is delivered in heat-treatment furnace, is heat-treated 60-70min under the conditions of temperature is 160-180 DEG C, obtains gypsum
Powder；It will be equivalent to desulfurization β land plasters, the blast-furnace cinder of 3-5%, the bauxite of 4-6%, the 3-5% of land plaster quality 10-12%
High-dispersion white carbon black, the zirconium dioxide of 1-3% and the venamul of 20-30% be added in land plaster, stir
After uniformly, still aging 2-3h, then be delivered in Muffle furnace, 50-60min is roasted under the conditions of temperature is 320-340 DEG C, with stove
After being cooled to 85-95 DEG C, then the polypropylene of the lignocellulosic and 4-6% that are equivalent to land plaster quality 8-10% is added thereto
Acid esters copolymer emulsion stirs evenly, and grinding, 120 mesh excessively sieve after heat preservation, still aging 6-7h to obtain the final product.
Further, above-mentioned plasterboard includes following raw material by weight：110 parts of modified gypsum, coating silicon ash
25 parts of stone, 20 parts of sepiolite fibre, 8 parts of chabasie powder, 10 parts of silicones polyethers lotion, 2 parts of p-hydroxybenzoic acid, butyl glycol ether
1.5 parts of acetate, 3 parts of chlorinated paraffin, 2 parts of ammonium persulfate, 1.5 parts of tetra-n-butyl titanate, 3 parts of retarder, 2 parts of water-reducing agent, hair
3 parts of 4 parts of infusion and waterproofing agent.
Further, above-mentioned modified gypsum is made by following steps：Raw material phosphogypsum slag is taken, is placed in ball mill
It grinds, after crossing 90 mesh sieve, is delivered in heat-treatment furnace, is heat-treated 65min under the conditions of temperature is 170 DEG C, obtains land plaster；
Will be equivalent to the desulfurization β land plasters of land plaster quality 11%, 4% blast-furnace cinder, 5% bauxite, 4% high dispersive hard charcoal
Black, 2% zirconium dioxide and 25% venamul are added in land plaster, still aging after stirring evenly
2.5h, then be delivered in Muffle furnace, 55min is roasted under the conditions of temperature is 330 DEG C, after being cooled to 90 DEG C with stove, then thereto
Addition is equivalent to the lignocellulosic of land plaster quality 9% and 5% Polyacrylate Emulsion stirs evenly, and keeps the temperature, is quiet
Set grinding after being aged 6.5h, 120 mesh excessively sieve to obtain the final product.
Preferably, above-mentioned retarder is using any one of borax, barium hydroxide or barium chloride.
Preferably, above-mentioned water-reducing agent is using any one of calcium lignosulfonate, Sodium Polyacrylate or sulfamic acid sodium.
Preferably, above-mentioned foaming agent is using any one of sodium metasilicate, sodium bicarbonate or silicon carbide.
Preferably, above-mentioned waterproofing agent is using in silane waterproofing agent, inorganic aluminate water-proof agent or higher fatty acids waterproofing agent
It is any.
A kind of preparation method of above-mentioned cracking resistance plasterboard, follows the steps below：
(1) raw material is weighed by the weight；
(2) by all feedstock transportations to mixing machine, the aqueous acetic acid that raw material gross mass 18-22% is added is stirred
Slurry after mixing is aged 6-8h, obtains aged material by 2-3h；
(3) aged material is transported to extrusion forming in green body mold, obtains shaping blank；
(4) finally by the maintenance of shaping blank, demoulding, drying and shaping；
Wherein, aqueous acetic acid mass concentration is 20-30%, and temperature is 38-42 DEG C；
Curing time is 2-3 days, and curing temperature is 28-32 DEG C；
Drying temperature is 105-115 DEG C, drying time 3.5-4.5h.
The present invention has following advantageous effect：
(1) gypsum board raw material of the invention is prepared simple and convenient, and raw material sources are extensive, of low cost, compatibility between raw material
Can be good, production efficiency and stock utilization are high, by effective modification to phosphogypsum slag, turn waste into wealth, not only reduce life
Cost is produced, the comprehensive performance of completed gypsum board is also enhanced, it is environmentally protective and recyclable, it has a vast market
Application prospect；
(2) plasterboard of the invention is by improving and optimizating material composition and the technological process of production, be added modified gypsum,
The raw materials such as coating wollastonite, sepiolite fibre, chabasie powder, are combined with the action-reaction of outer adding assistant so that completed gypsum board
Mechanical performance greatly enhance, have excellent case hardness, compression strength and toughness, therefore, by outer masterpiece
Under, such as：Earthquake, collision, scraping, extruding etc., can preferable integrity and stability, securely and reliably；In addition, of the invention
Plasterboard also there is the characteristics of heat preservation and soundproof, water proof fire retardant, corrosion-resistant, weathering, service life is long, is widely used；
(3) plasterboard dry density of the invention is small, light weight, greatly reduces transportation cost and construction labour.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of cracking resistance plasterboard, weighs the raw material such as the following table 1：
Table 1
The preparation of modified gypsum：Raw material phosphogypsum slag 100kg is taken, is placed in ball mill and grinds, after crossing 80 mesh sieve,
It is delivered in heat-treatment furnace, is heat-treated 60min under the conditions of temperature is 160 DEG C, obtains land plaster；It will be equivalent to land plaster quality
10% desulfurization β land plasters, 3% blast-furnace cinder, 4% bauxite, 3% high-dispersion white carbon black, 1% zirconium dioxide and
20% venamul is added in land plaster, after stirring evenly, still aging 2h, then be delivered in Muffle furnace,
50min is roasted under the conditions of temperature is 320 DEG C, after being cooled to 85 DEG C with stove, then is added is equivalent to land plaster quality 8% thereto
Lignocellulosic and 4% Polyacrylate Emulsion stir evenly, 120 mesh sieve is crossed in grinding after heat preservation, still aging 6h
To obtain the final product.
A kind of preparation method of above-mentioned cracking resistance plasterboard, follows the steps below：
(1) the aqueous acetic acid stirring of raw material gross mass 18% in above-mentioned all feedstock transportations to mixing machine, will first be added
2h is mixed, then the slurry after mixing is aged 6h, obtains aged material；
(2) aged material is transported to extrusion forming in green body mold after, obtains shaping blank；
(3) finally by the maintenance of shaping blank, demoulding, drying and shaping；
Wherein, aqueous acetic acid mass concentration is 20%, and temperature is 38 DEG C；
Curing time is 2 days, and curing temperature is 28 DEG C；
Drying temperature is 105 DEG C, drying time 3.5h.
Embodiment 2
A kind of cracking resistance plasterboard, weighs the raw material such as the following table 2：
Table 2
The preparation of modified gypsum：Raw material phosphogypsum slag 110kg is taken, is placed in ball mill and grinds, after crossing 90 mesh sieve,
It is delivered in heat-treatment furnace, is heat-treated 65min under the conditions of temperature is 170 DEG C, obtains land plaster；It will be equivalent to land plaster quality
11% desulfurization β land plasters, 4% blast-furnace cinder, 5% bauxite, 4% high-dispersion white carbon black, 2% zirconium dioxide and
25% venamul is added in land plaster, after stirring evenly, still aging 2.5h, then it is delivered to Muffle furnace
In, 55min is roasted under the conditions of temperature is 330 DEG C, after being cooled to 90 DEG C with stove, then is added is equivalent to land plaster quality thereto
9% lignocellulosic and 5% Polyacrylate Emulsion stir evenly, grinding, mistake after heat preservation, still aging 6.5h
120 mesh sieve to obtain the final product.
A kind of preparation method of above-mentioned cracking resistance plasterboard, follows the steps below：
(1) the aqueous acetic acid stirring of raw material gross mass 20% in above-mentioned all feedstock transportations to mixing machine, will first be added
2.5h is mixed, then the slurry after mixing is aged 7h, obtains aged material；
(2) aged material is transported to extrusion forming in green body mold after, obtains shaping blank；
(3) finally by the maintenance of shaping blank, demoulding, drying and shaping；
Wherein, aqueous acetic acid mass concentration is 25%, and temperature is 40 DEG C；
Curing time is 3 days, and curing temperature is 30 DEG C；
Drying temperature is 110 DEG C, drying time 4h.
Embodiment 3
A kind of cracking resistance plasterboard, weighs the raw material such as the following table 3：
Table 3
The preparation of modified gypsum：Raw material phosphogypsum slag 120kg is taken, is placed in ball mill and grinds, sieve with 100 mesh sieve
Afterwards, it is delivered in heat-treatment furnace, is heat-treated 70min under the conditions of temperature is 180 DEG C, obtains land plaster；It will be equivalent to gypsum silty
Desulfurization β land plasters, 5% blast-furnace cinder, 6% bauxite, 5% high-dispersion white carbon black, 3% zirconium dioxide of amount 12%
Venamul with 30% is added in land plaster, after stirring evenly, still aging 3h, then it is delivered to Muffle furnace
In, 60min is roasted under the conditions of temperature is 340 DEG C, after being cooled to 95 DEG C with stove, then is added is equivalent to land plaster quality thereto
10% lignocellulosic and 6% Polyacrylate Emulsion stir evenly, and are ground after heat preservation, still aging 7h, cross 120
Mesh sieves to obtain the final product.
A kind of preparation method of above-mentioned cracking resistance plasterboard, follows the steps below：
(1) the aqueous acetic acid stirring of raw material gross mass 22% in above-mentioned all feedstock transportations to mixing machine, will first be added
3h is mixed, then the slurry after mixing is aged 8h, obtains aged material；
(2) aged material is transported to extrusion forming in green body mold after, obtains shaping blank；
(3) finally by the maintenance of shaping blank, demoulding, drying and shaping；
Wherein, aqueous acetic acid mass concentration is 30%, and temperature is 42 DEG C；
Curing time is 3 days, and curing temperature is 32 DEG C；
Drying temperature is 115 DEG C, drying time 4.5h.
Gypsum board product is made to above-described embodiment 1-3 and carries out performance detection, testing result see the table below shown in 4；
Embodiment 1：Gypsum board size：1200mm*2400mm*9.5mm；
Embodiment 2：Gypsum board size：1200mm*2400mm*12mm；
Embodiment 3：Gypsum board size：1200mm*3000mm*9.5mm；
Table 4
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of cracking resistance plasterboard, which is characterized in that including following raw material by weight：100-120 parts of modified gypsum, packet
20-30 parts of film wollastonite, 15-25 parts of sepiolite fibre, 6-10 parts of chabasie powder, 8-12 parts of silicones polyethers lotion, to oxybenzene
1-3 parts of formic acid, 1-2 parts of 2-Butoxyethyl acetate, 2-4 parts of chlorinated paraffin, 1-3 parts of ammonium persulfate, tetra-n-butyl titanate 1-2
Part, 1-5 parts of retarder, 1-3 parts of water-reducing agent, 3-5 parts of foaming agent and 2-4 parts of waterproofing agent；
The modified gypsum is made by following steps：Raw material phosphogypsum slag is taken, is placed in ball mill and grinds, crosses 80-
It after 100 mesh sieve, is delivered in heat-treatment furnace, is heat-treated 60-70min under the conditions of temperature is 160-180 DEG C, obtains land plaster；It will
It is equivalent to the desulfurization β land plasters of land plaster quality 10-12%, the height of the blast-furnace cinder of 3-5%, the bauxite of 4-6%, 3-5%
Dispersion white carbon, the zirconium dioxide of 1-3% and the venamul of 20-30% are added in land plaster, are stirred evenly
Afterwards, still aging 2-3h, then be delivered in Muffle furnace, 50-60min is roasted under the conditions of temperature is 320-340 DEG C, is cooled down with stove
To after 85-95 DEG C, then the polyacrylate of the lignocellulosic and 4-6% that are equivalent to land plaster quality 8-10% is added thereto
Copolymer emulsion stirs evenly, and grinding, 120 mesh excessively sieve after heat preservation, still aging 6-7h to obtain the final product.
2. a kind of cracking resistance plasterboard according to claim 1, which is characterized in that including following raw material by weight：
It is 110 parts of modified gypsum, 25 parts of coating wollastonite, 20 parts of sepiolite fibre, 8 parts of chabasie powder, 10 parts of silicones polyethers lotion, right
2 parts of hydroxybenzoate, 1.5 parts of 2-Butoxyethyl acetate, 3 parts of chlorinated paraffin, 2 parts of ammonium persulfate, 1.5 parts of tetra-n-butyl titanate,
3 parts of 3 parts of retarder, 2 parts of water-reducing agent, 4 parts of foaming agent and waterproofing agent.
3. a kind of cracking resistance plasterboard according to claim 1, which is characterized in that the modified gypsum passes through following steps system
：Raw material phosphogypsum slag is taken, is placed in ball mill and grinds, after crossing 90 mesh sieve, is delivered in heat-treatment furnace, is in temperature
It is heat-treated 65min under the conditions of 170 DEG C, obtains land plaster；It will be equivalent to the desulfurization β land plasters of land plaster quality 11%, 4% blast furnace
Slag, 5% bauxite, 4% high-dispersion white carbon black, 2% zirconium dioxide and 25% venamul are added
Into land plaster, after stirring evenly, still aging 2.5h, then be delivered in Muffle furnace, it is roasted under the conditions of temperature is 330 DEG C
55min after being cooled to 90 DEG C with stove, then is added poly- the third of the lignocellulosic and 5% that are equivalent to land plaster quality 9% thereto
Olefin(e) acid ester copolymer emulsion stirs evenly, and grinding, 120 mesh excessively sieve after heat preservation, still aging 6.5h to obtain the final product.
4. a kind of cracking resistance plasterboard according to claim 1, which is characterized in that the retarder is borax, barium hydroxide
Or any one of barium chloride.
5. a kind of cracking resistance plasterboard according to claim 1, which is characterized in that the water-reducing agent be calcium lignosulfonate,
Any one of Sodium Polyacrylate or sulfamic acid sodium.
6. a kind of cracking resistance plasterboard according to claim 1, which is characterized in that the foaming agent is sodium metasilicate, bicarbonate
Any one of sodium or silicon carbide.
7. a kind of cracking resistance plasterboard according to claim 1, which is characterized in that the waterproofing agent is silane waterproofing agent, nothing
Any one of machine aluminate water-proof agent or higher fatty acids waterproofing agent.
8. a kind of preparation method according to claim 1-7 any one of them cracking resistance plasterboards, which is characterized in that including following
Step：
(1) raw material is weighed by the weight；
(2) by all feedstock transportations to mixing machine, the aqueous acetic acid that raw material gross mass 18-22% is added is stirred 2-
Slurry after mixing is aged 6-8h, obtains aged material by 3h；
(3) aged material is transported to extrusion forming in green body mold, obtains shaping blank；
(4) finally by the maintenance of shaping blank, demoulding, drying and shaping；
The aqueous acetic acid mass concentration is 20-30%, and temperature is 38-42 DEG C；
Curing time is 2-3 days, and curing temperature is 28-32 DEG C；
Drying temperature is 105-115 DEG C, drying time 3.5-4.5h.
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| CN201810163417.8A CN108314461A (en) | 2018-02-27 | 2018-02-27 | A kind of cracking resistance plasterboard and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810163417.8A CN108314461A (en) | 2018-02-27 | 2018-02-27 | A kind of cracking resistance plasterboard and preparation method thereof |
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| CN108314461A true CN108314461A (en) | 2018-07-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620714A (en) * | 2020-05-22 | 2020-09-04 | 贵州开磷磷石膏综合利用有限公司 | Anti-cracking light gypsum keel and preparation method thereof |
| CN116693321A (en) * | 2023-04-13 | 2023-09-05 | 重庆交通大学 | Preparation method of modified phosphogypsum-based self-leveling mortar |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177048A (en) * | 2014-08-10 | 2014-12-03 | 安徽锦洋氟化学有限公司 | Method for modifying fluorgypsum by adopting modified maize straw fiber |
| CN107382240A (en) * | 2017-07-25 | 2017-11-24 | 合肥欧仕嘉机电设备有限公司 | A kind of moisture resistance plasterboard of waterproof and preparation method thereof |
-
2018
- 2018-02-27 CN CN201810163417.8A patent/CN108314461A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177048A (en) * | 2014-08-10 | 2014-12-03 | 安徽锦洋氟化学有限公司 | Method for modifying fluorgypsum by adopting modified maize straw fiber |
| CN107382240A (en) * | 2017-07-25 | 2017-11-24 | 合肥欧仕嘉机电设备有限公司 | A kind of moisture resistance plasterboard of waterproof and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111620714A (en) * | 2020-05-22 | 2020-09-04 | 贵州开磷磷石膏综合利用有限公司 | Anti-cracking light gypsum keel and preparation method thereof |
| CN116693321A (en) * | 2023-04-13 | 2023-09-05 | 重庆交通大学 | Preparation method of modified phosphogypsum-based self-leveling mortar |
| CN116693321B (en) * | 2023-04-13 | 2024-05-10 | 重庆交通大学 | Preparation method of modified phosphogypsum-based self-leveling mortar |
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