CN108863276A - A kind of building materials plasterboard - Google Patents
A kind of building materials plasterboard Download PDFInfo
- Publication number
- CN108863276A CN108863276A CN201811138562.7A CN201811138562A CN108863276A CN 108863276 A CN108863276 A CN 108863276A CN 201811138562 A CN201811138562 A CN 201811138562A CN 108863276 A CN108863276 A CN 108863276A
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- parts
- chopped carbon
- water
- heated
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of building materials plasterboards, include the following steps：(1) number weighs 115-120 parts of land plaster according to the required weight, and 20-28 parts of diatomite, 6-10 parts of glucose, 4-10 parts of additive sodium carboxymethylcellulose, 165-200 parts of water, diameter is 3-7 μm, length is 20-28 parts of 10-25mm chopped carbon fiber；(2) after being heated to 85-100 DEG C of progress first time heat treatment 45-55min after step (1) weighed chopped carbon fiber being totally submerged in concentrated nitric acid；115-140 DEG C is heated to carry out second after heating 60-110min；It is sufficiently washed after being heated to 95-120 DEG C of progress third time heat treatment 50-75min, then after chopped carbon fiber is taken out with water, after chopped carbon fiber surface nitric acid is rinsed well completely.Modified chopped carbon fiber, diatomite and glucose combine preparation method of the invention that synergistic effect occurs in raw material components of the present invention, flexural strength, compression strength, expansion rate of water absorption and the coefficient of softing etc. for significantly improving the gypsum of fibre reinforced of the invention, to make it have significant water resistance.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of building materials plasterboard.
Background technique
Gypsum is as a kind of traditional air-setting inorganic coagulation material, in decoration, wall and heat preservation, fire prevention, sound absorption etc.
Field is widely used.But the disadvantages of its flexural strength and shock resistance are lower, frangible and poor waterproof properties limits
Its use scope.In order to improve the performance of gypsum, the method for people enhancing and filling has studied successfully plaster composite
Material, expands its use scope.At present in the research of country's fiber reinforced gypsum board material, plant fiber, glass fibre, asbestos are fine
Dimension, vinylon fiber and organic synthetic fibers etc. all have been used to enhancing gypsum, but the raising of gypsum intensity is not apparent
Variation.Therefore, it is imperative that a kind of high intensity, heat preservation, fireproof plasterboard are researched and developed.
Summary of the invention
One, technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of building materials plasterboards, to solve the technical problem.
Two, technical solution
To solve the technical problem, the technical scheme adopted by the invention is that：A kind of building materials plasterboard, including it is following
Step：
(1) number weighs 115-120 parts of land plaster according to the required weight, 20-28 parts of diatomite, 6-10 parts of glucose, additional
4-10 parts of agent carboxymethyl sodium cellulosate, 165-200 parts of water, diameter is 3-7 μm, length is 10-25mm chopped carbon fiber 20-28
Part；
(2) it is heated to 85-100 DEG C after step (1) weighed chopped carbon fiber being totally submerged in concentrated nitric acid and carries out the
After primary heating handles 45-55min；115-140 DEG C is heated to carry out second after heating 60-110min；It reheats
It is sufficiently washed to after 95-120 DEG C of progress third time heat treatment 50-75min, then after chopped carbon fiber is taken out with water, it will be short
It cuts after carbon fiber surface nitric acid rinses well completely, places into baking oven with 120 DEG C of drying 8h, obtain modified chopped carbon fiber；
(3) it is dissolved in the step of step (1) weighed glucose being added to 5-6 times of its parts by weight (1) weighed water
Afterwards, after modified chopped carbon fiber stirring made from step (2) is added thereto, it is put into the reaction under high pressure with polytetrafluoroethylliner liner
Hydro-thermal reaction, the hydrothermal reaction condition are carried out in kettle：150-180 DEG C, reaction time 4-6h, after being cooled to room temperature, it must consolidate
Liquid mixed liquor；
(4) water of the weighed land plaster of step (1), diatomite, additive sodium carboxymethylcellulose and remainder is added
Enter with mixing speed 260-450r/min in blender, time 20-45min carries out after being uniformly mixed for the first time, forms stone
Cream wet feed；Solid-liquid mixed liquor made from step (3) is added thereto while stirring, continues with mixing speed to be 450-550r/
Min, time are after 30-60min is uniformly mixed for the second time, to obtain gypsum mixed slurry；
(5) gypsum mixed slurry made from step (4) is put into mold and 35-45min is vibrated with the frequency of 800-950Hz
Afterwards, beating processing is carried out, then is dried, the drying process condition：The dry 60- in 200 DEG C of calm constant temperature rooms
Then 110min carries out room temperature sunning >=3d, obtains the plasterboard of fibre reinforced.
The land plaster is phosphogypsum powder.
Three, beneficial effect
The present invention is compared to the prior art, has the advantages that：
Modified chopped carbon fiber, diatomite and glucose combine preparation method of the invention to occur in raw material components of the present invention
Synergistic effect, significantly improves flexural strength, compression strength, the expansion rate of water absorption of the gypsum of fibre reinforced of the invention
And coefficient of softing etc., to make it have significant water resistance.
(1) carbon fiber modified chopped carbon fiber obtained after surface treatment, surface roughness increase so that carbon fiber
Specific surface area increases, and strongly hydrophilic group hydroxy, carboxyl, the ester group on surface increase, and is more advantageous to modified chopped carbon fiber and Portugal
Reduction reaction occurs for grape syrup heat, and the carbon that modified chopped carbon fiber surface in situ reduction generates more effectively uniformly is supported on carbon fiber
Dimension table face.Hydrothermal reaction process, on the one hand, increase modified its surface roughness of chopped carbon fiber, be more advantageous in gypsum
Uniform dispersion；On the other hand, the reduction of extra glucose generates the carbon ball of the Nano grade dispersed in reaction solution again, with diatom
Soil and gypsum three are synergistic, keep the binding force between three stronger, effectively the flexural strength of enhancing plasterboard of the present invention with
It is combined closely between compression strength and three by chemical bond, also significantly improves the coefficient of softing of plasterboard of the present invention, increased
Its water resistance.
(2) addition of chopped carbon fiber makes plasterboard reduce crackle generation in dry shrink, in composite gypsum material
When stress is impacted, chopped carbon fiber provides load load, plays buffer function, to change the brittleness of gypsum, improves
Flexural strength.Chopped carbon fiber add after during moldings formed therefrom, the disorder distribution of chopped carbon fiber produce superposition and
Unevenly, diatomite and the glucose reduction of addition generate the carbon ball of the Nano grade dispersed in reaction solution again, and three's collaboration has
Effect improves unbalance stress situation temporary when plasterboard is pressurized, and also significantly increases the compression strength of gypsum.
Specific embodiment
Below with reference to embodiment, a specific embodiment of the invention is described in detail.
Embodiment 1
The plasterboard for preparing a kind of fibre reinforced, includes the following steps：
(1) number weighs 75 parts of phosphogypsum powder according to the required weight, and 20 parts of diatomite, 6 parts of glucose, additional agent carboxymethyl is fine
Plain 4 parts of the sodium of dimension, 165 parts of water, diameter is 3-7 μm, length is 10mm 20 parts of chopped carbon fiber.
(2) 85 DEG C of progress are heated to after step (1) weighed chopped carbon fiber being totally submerged in concentrated nitric acid for the first time
After heating 45min；115 DEG C are heated to carry out second after heating 60min；It is heated to 95 DEG C of progress third times
It is sufficiently washed after heating 50min, then after chopped carbon fiber is taken out with water, chopped carbon fiber surface nitric acid is rinsed completely
After clean, place into baking oven after 120 DEG C of drying 8h, obtain modified chopped carbon fiber.
(3) after being dissolved in the step of step (1) weighed glucose being added to 5 times of its parts by weight (1) weighed water,
After modified chopped carbon fiber stirring made from step (2) is added thereto, it is put into the autoclave with polytetrafluoroethylliner liner
Middle carry out hydro-thermal reaction, hydrothermal reaction condition：150 DEG C, after the reaction time is 4h, after being cooled to room temperature, obtain solid-liquid mixed liquor.
(4) water of the weighed land plaster of step (1), diatomite, additive and remainder is added in blender to stir
Mix speed be 260r/min, the time be 20min carry out for the first time be uniformly mixed after, formed gypsum wet feed；While stirring to
Solid-liquid mixed liquor made from step (3) is wherein added, continuing with mixing speed is 450r/min, the time is that 30min carries out second
It is secondary be uniformly mixed after, obtain gypsum mixed slurry.
(5) gypsum mixed slurry made from step (4) is put into mold after vibrating 35min with the frequency of 800Hz, into
After row beating processing, then it is dried：The dry 60min in 200 DEG C of calm constant temperature rooms, room temperature dry 3d to moisture steaming
After dry, the plasterboard of fibre reinforced is obtained.
Embodiment 2
The plasterboard for preparing a kind of fibre reinforced, includes the following steps：
(1) number weighs according to the required weight：110 parts of phosphogypsum powder, 28 parts of diatomite, 10 parts of glucose, additive carboxylic first
10 parts of base sodium cellulosate, 200 parts of water, diameter is 3-7 μm, length is 28 parts of 25m chopped carbon fiber.
(2) 100 DEG C of progress are heated to after step (1) weighed chopped carbon fiber being totally submerged in concentrated nitric acid for the first time
After heating 55min；140 DEG C are heated to carry out second after heating 110min；It is heated to 120 DEG C of progress thirds
It is sufficiently washed after secondary heat treatment 75min, then after chopped carbon fiber is taken out with water, chopped carbon fiber surface nitric acid is rushed completely
After wash clean, places into baking oven after 120 DEG C of drying 8h, obtain modified chopped carbon fiber.
(3) after being dissolved in the step of step (1) weighed glucose being added to 6 times of its parts by weight (1) weighed water,
After modified chopped carbon fiber stirring made from step (2) is added thereto, it is put into the autoclave with polytetrafluoroethylliner liner
Middle carry out hydro-thermal reaction, hydrothermal reaction condition：180 DEG C, after the reaction time is 6h, after being cooled to room temperature, obtain solid-liquid mixed liquor.
(4) water of the weighed land plaster of step (1), diatomite, additive and remainder is added in blender to stir
Mix speed be 450r/min, the time be 45min carry out for the first time be uniformly mixed after, formed gypsum wet feed；While stirring to
Solid-liquid mixed liquor made from step (3) is wherein added, continuing with mixing speed is 550r/min, the time is that 60min carries out second
It is secondary be uniformly mixed after, obtain gypsum mixed slurry.
(5) gypsum mixed slurry made from step (4) is put into mold after vibrating 45min with the frequency of 950Hz, into
After row beating processing, then it is dried：Dry 110min, then carries out room temperature sunning in 200 DEG C of calm constant temperature rooms
After 6d is evaporated to moisture, the plasterboard of fibre reinforced is obtained.
Embodiment 3
The plasterboard for preparing a kind of fibre reinforced, includes the following steps：
(1) number weighs according to the required weight：92 parts of phosphogypsum powder, 24 parts of diatomite, 8 parts of glucose, additional agent carboxymethyl
7 parts of sodium cellulosate, 180 parts of water, diameter is 3-7 μm, length is 24 parts of 18mm chopped carbon fiber.
(2) 92 DEG C of progress are heated to after step (1) weighed chopped carbon fiber being totally submerged in concentrated nitric acid for the first time
After heating 50min；128 DEG C are heated to carry out second after heating 85min；It is heated to 107 DEG C of progress thirds
It is sufficiently washed after secondary heat treatment 62min, then after chopped carbon fiber is taken out with water, chopped carbon fiber surface nitric acid is rushed completely
After wash clean, places into baking oven after 120 DEG C of drying 8h, obtain modified chopped carbon fiber.
(3) after being dissolved in the step of step (1) weighed glucose being added to 6 times of its parts by weight (1) weighed water,
After modified chopped carbon fiber stirring made from step (2) is added thereto, it is put into the autoclave with polytetrafluoroethylliner liner
Middle carry out hydro-thermal reaction, hydrothermal reaction condition：165 DEG C, after the reaction time is 5h, after being cooled to room temperature, obtain solid-liquid mixed liquor.
(4) water of the weighed land plaster of step (1), diatomite, additive and remainder is added in blender to stir
Mix speed be 370r/min, the time be 28min carry out for the first time be uniformly mixed after, formed gypsum wet feed；While stirring to
Solid-liquid mixed liquor made from step (3) is wherein added, continuing with mixing speed is 500r/min, the time is that 45min carries out second
It is secondary be uniformly mixed after, obtain gypsum mixed slurry.
(5) gypsum mixed slurry made from step (4) is put into mold and 40min is vibrated with the frequency of 870Hz, then carried out
After beating processing, then it is dried：Then the dry 75min in 200 DEG C of calm constant temperature rooms carries out room temperature and dries 4d,
Until obtaining the plasterboard of fibre reinforced after moisture is evaporated.
Control group 1
The plasterboard for preparing a kind of fibre reinforced, includes the following steps：
(1) number weighs according to the required weight：92 parts of phosphogypsum powder, 24 parts of diatomite, 8 parts of glucose, additional agent carboxymethyl
7 parts of sodium cellulosate, 180 parts of water, diameter is 3-7 μm, length is 24 parts of 18mm chopped carbon fiber.
(2) after being dissolved in the step of step (1) weighed glucose being added to 6 times of its parts by weight (1) weighed water,
After the stirring of step (1) weighed chopped carbon fiber is added thereto, be put into the autoclave with polytetrafluoroethylliner liner into
Row hydro-thermal reaction, hydrothermal reaction condition：165 DEG C, after the reaction time is 5h, after being cooled to room temperature, obtain solid-liquid mixed liquor.
(3) water of the weighed land plaster of step (1), diatomite, additive and remainder is added in blender to stir
Mix speed be 370r/min, the time be 28min carry out for the first time be uniformly mixed after, formed gypsum wet feed；While stirring to
Solid-liquid mixed liquor made from step (2) is wherein added, continuing with mixing speed is 500r/min, the time is that 45min carries out second
It is secondary be uniformly mixed after, obtain gypsum mixed slurry.
(4) gypsum mixed slurry made from step (3) is put into mold and 40min is vibrated with the frequency of 870Hz, then carried out
After beating processing, then it is dried：Then the dry 75min in 200 DEG C of calm constant temperature rooms carries out room temperature and dries 4d,
Until obtaining plasterboard after moisture is evaporated.
Control group 2
A kind of plasterboard is prepared, is included the following steps：
(1) number weighs according to the required weight：92 parts of phosphogypsum powder, 24 parts of diatomite, 8 parts of glucose, additive ethoxy
7 parts of cellulose, 180 parts of water, diameter is 3-7 μm, length is 24 parts of 18mm chopped carbon fiber.
(2) 92 DEG C of progress are heated to after step (1) weighed chopped carbon fiber being totally submerged in concentrated nitric acid for the first time
After heating 50min；128 DEG C are heated to carry out second after heating 85min；It is heated to 107 DEG C of progress thirds
It is sufficiently washed after secondary heat treatment 62min, then after chopped carbon fiber is taken out with water, chopped carbon fiber surface nitric acid is rushed completely
After wash clean, places into baking oven after 120 DEG C of drying 8h, obtain modified chopped carbon fiber.
(3) the weighed land plaster of step (1), diatomite, additive and water are added in blender and are with mixing speed
370r/min, time are that 28min is carried out after being uniformly mixed for the first time, form gypsum wet feed；It is added thereto while stirring
Modified chopped carbon fiber made from step (2), continuing with mixing speed is 500r/min, the time is that 45min is stirred for the second time
It mixes after mixing, obtains gypsum mixed slurry.
(4) gypsum mixed slurry made from step (3) is put into mold and 40min is vibrated with the frequency of 870Hz, then carried out
After beating processing, then it is dried：Then the dry 90min in 200 DEG C of calm constant temperature rooms carries out room temperature and dries 4d,
Until obtaining plasterboard after moisture is evaporated.
The performance of the plasterboard of fibre reinforced of the invention is further illustrated below by laboratory report.
1. object and method
(1) tested material：By 1- of embodiment of the present invention embodiment 3 the gypsum of fibre reinforced produced to preparation method
Plate is as laboratory sample；Control group 1- control group 2 the plasterboard produced to preparation method 1- control group 2 as a control group,
Wherein control group 1- control group 2 to preparation method compared with the preparation method technological parameter of embodiment 3, it is not right in control group 1
Chopped carbon fiber is modified, and does not add glucose in control group 2 in raw material components.
(3) experimental method
Reference《Plasterboard national standard》Flexural strength, the expansion rate of water absorption, resistance to compression of GB/T9775-2008 detection plasterboard
Intensity；Reference《Gypsum stripping and slicing》The coefficient of softing of JC/T698-1998 detection plasterboard.
2. laboratory test results
Laboratory test results are shown in Table 1.
1 plasterboard performance test results of table
| Sample | Flexural strength (MPa) | Compression strength (MPa) | Expansion rate of water absorption (%) | Coefficient of softing (%) |
| Embodiment 1 | 26 | 36 | 0.8 | 0.92 |
| Embodiment 2 | 27 | 38 | 0.96 | 0.93 |
| Embodiment 3 | 30 | 41 | 0.7 | 0.95 |
| Control group 1 | 19 | 29 | 2.3 | 0.74 |
| Control group 2 | 17 | 25 | 3.2 | 0.69 |
3. brief summary
By 1 plasterboard performance test results of table it is found that embodiment 1- embodiment 3 the carbon fiber produced to preparation method
The resistance to compression of the plasterboard of enhancing is slight, flexural strength and its water resistance are all remarkably higher than control group 1- control group 2 to system
The performance for the plasterboard that Preparation Method is produced.The flexural strength of the plasterboard of embodiment 1- embodiment 3 is 26-30MPa, pressure resistance
Degree is 36-41MPa, expansion rate of water absorption 0.7-0.96%, coefficient of softing 0.92-0.95%, and control group 1- control group 2 gives preparation
Method is not modified chopped carbon fiber in control group 1 compared with the preparation method technological parameter of embodiment 5, in control group 2
Do not add glucose in raw material components, from performance test results it is found that being modified chopped carbon fiber, grape in raw material components of the invention
Sugar combines preparation method of the invention that synergistic effect occurs, and significantly improves the anti-of the gypsum of fibre reinforced of the invention
Intensity, compression strength, expansion rate of water absorption and coefficient of softing etc. are rolled over, to make it have significant water resistance.
3 composition of raw materials of embodiment composition and production method technological parameter are optimal, and the flexural strength of plasterboard reaches
30MPa, compression strength reach 41MPa, and expansion rate of water absorption reaches 0.96%, and coefficient of softing reaches 0.95%.
Carbon fiber modified chopped carbon fiber obtained after surface treatment, surface roughness increase so that carbon fiber ratio
Surface area increases, and strongly hydrophilic group hydroxy, carboxyl, the ester group on surface increase, and is more advantageous to modified chopped carbon fiber and grape
Reduction reaction occurs for syrup heat, and the carbon that modified chopped carbon fiber surface in situ reduction generates more effectively uniformly is supported on carbon fiber
Surface.Hydrothermal reaction process, on the one hand, increase modified its surface roughness of chopped carbon fiber, be more advantageous to equal in gypsum
Even dispersion；On the other hand, the reduction of extra glucose generates the carbon ball of the Nano grade dispersed in reaction solution again, with diatomite
It is synergistic with gypsum three, keep the binding force between three stronger, effectively enhancing fibre reinforced plasterboard of the present invention is anti-
It is combined closely between folding intensity and compression strength and three by chemical bond, also significantly improves fibre reinforced stone of the present invention
The coefficient of softing of cream plate increases its water resistance.
The addition of chopped carbon fiber makes plasterboard reduce crackle generation in dry shrink, in composite gypsum material stress
When impact, chopped carbon fiber provides load load, plays buffer function, to change the brittleness of gypsum, improves anti-
Roll over intensity.After chopped carbon fiber adds during moldings formed therefrom, the disorder distribution of chopped carbon fiber produces superposition and unevenness
Even, the diatomite of addition and remaining glucose restore the carbon ball for generating the Nano grade dispersed in reaction solution again, and three's collaboration has
Effect improves unbalance stress situation temporary when plasterboard is pressurized, and also significantly increases the compression strength of gypsum.
The above is only specific application examples of the invention, are not limited in any way to protection scope of the present invention.
Claims (2)
1. a kind of building materials plasterboard, which is characterized in that include the following steps：
(1) number weighs 115-120 parts of land plaster according to the required weight, and 20-28 parts of diatomite, 6-10 parts of glucose, additive carboxylic
4-10 parts of sodium carboxymethylcellulose pyce, 165-200 parts of water, diameter is 3-7 μm, length is 20-28 parts of 10-25mm chopped carbon fiber；
(2) 85-100 DEG C of progress is heated to after step (1) weighed chopped carbon fiber being totally submerged in concentrated nitric acid for the first time
After heating 45-55min；115-140 DEG C is heated to carry out second after heating 60-110min；It is heated to 95-
It is sufficiently washed after 120 DEG C of progress third time heat treatment 50-75min, then after chopped carbon fiber is taken out with water, by chopped carbon fiber
After dimension table face nitric acid is rinsed well completely, places into baking oven with 120 DEG C of drying 8h, obtain modified chopped carbon fiber；
(3) after being dissolved in the step of step (1) weighed glucose being added to 5-6 times of its parts by weight (1) weighed water, to
After modified chopped carbon fiber stirring made from step (2) is wherein added, it is put into the autoclave with polytetrafluoroethylliner liner
Carry out hydro-thermal reaction, the hydrothermal reaction condition：150-180 DEG C, reaction time 4-6h, after being cooled to room temperature, it is mixed to obtain solid-liquid
Close liquid；
(4) the water addition of the weighed land plaster of step (1), diatomite, additive sodium carboxymethylcellulose and remainder is stirred
It mixes with mixing speed 260-450r/min in machine, time 20-45min carries out after being uniformly mixed for the first time, and it is wet to form gypsum
Material；Solid-liquid mixed liquor made from step (3) is added thereto while stirring, continues with mixing speed to be 450-550r/min, when
Between be uniformly mixed for the second time for 30-60min after, obtain gypsum mixed slurry；
(5) gypsum mixed slurry made from step (4) is put into after vibrating 35-45min in mold with the frequency of 800-950Hz,
Beating processing is carried out, then is dried, the drying process condition：The dry 60- in 200 DEG C of calm constant temperature rooms
Then 110min carries out room temperature sunning >=3d, obtains the plasterboard of fibre reinforced.
2. land plaster according to claim 1, which is characterized in that the land plaster is phosphogypsum powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138562.7A CN108863276A (en) | 2018-09-28 | 2018-09-28 | A kind of building materials plasterboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138562.7A CN108863276A (en) | 2018-09-28 | 2018-09-28 | A kind of building materials plasterboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108863276A true CN108863276A (en) | 2018-11-23 |
Family
ID=64324844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811138562.7A Pending CN108863276A (en) | 2018-09-28 | 2018-09-28 | A kind of building materials plasterboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108863276A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981275A (en) * | 2019-12-16 | 2020-04-10 | 宁国市锦泰环保科技有限公司 | Phosphogypsum cement retarder and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080003174A1 (en) * | 2006-07-03 | 2008-01-03 | Tripoliven, C.A. | Process for the physiochemical conditioning of chemical gypsum or phospho-gypsum for use in formulation for cement and other construction materials |
| CN103649006A (en) * | 2011-07-01 | 2014-03-19 | 瓦克化学股份公司 | Gypsum-containing construction material compounds |
| CN103806276A (en) * | 2014-01-27 | 2014-05-21 | 天津水泥工业设计研究院有限公司 | Carbon fiber composite material and preparation method thereof |
| CN107188508A (en) * | 2017-04-27 | 2017-09-22 | 李小俊 | Composite diatomite high-strength decorative gypsum sheet material |
| CN108314389A (en) * | 2018-05-11 | 2018-07-24 | 威海南海碳材料科技研究院有限公司 | A kind of concrete of fibre reinforced and preparation method thereof |
-
2018
- 2018-09-28 CN CN201811138562.7A patent/CN108863276A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080003174A1 (en) * | 2006-07-03 | 2008-01-03 | Tripoliven, C.A. | Process for the physiochemical conditioning of chemical gypsum or phospho-gypsum for use in formulation for cement and other construction materials |
| CN103649006A (en) * | 2011-07-01 | 2014-03-19 | 瓦克化学股份公司 | Gypsum-containing construction material compounds |
| CN103806276A (en) * | 2014-01-27 | 2014-05-21 | 天津水泥工业设计研究院有限公司 | Carbon fiber composite material and preparation method thereof |
| CN107188508A (en) * | 2017-04-27 | 2017-09-22 | 李小俊 | Composite diatomite high-strength decorative gypsum sheet material |
| CN108314389A (en) * | 2018-05-11 | 2018-07-24 | 威海南海碳材料科技研究院有限公司 | A kind of concrete of fibre reinforced and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981275A (en) * | 2019-12-16 | 2020-04-10 | 宁国市锦泰环保科技有限公司 | Phosphogypsum cement retarder and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107721454A (en) | Light-weighted autoclaved sand aerated concrete fireproof heated board of B02 levels and preparation method thereof | |
| CN107265952A (en) | A kind of rice hull cellulose cement plate and preparation method thereof | |
| CN102887720B (en) | Method for preparing light thermal insulation wall material comprising straw | |
| CN102408530B (en) | Modified chemical bamboo pulp fiber composite material and preparation method thereof | |
| CN109020378A (en) | A kind of expanded perlite aeroge composite insulation boards and preparation method thereof prepared using iron tailings as raw material | |
| CN108863276A (en) | A kind of building materials plasterboard | |
| CN108947574A (en) | A kind of preparation method of wheat straw fiber composite material | |
| CN106752003A (en) | Modified waterproof flame-retardant type biomass board of the compound woodcare paint enhancing of a kind of nano silicon/polyurethane and preparation method thereof | |
| CN107417151B (en) | A kind of modified micaceous powder of mortar | |
| CN107827413A (en) | A kind of preparation method of the cement base composite ecotype insulation material of slag doping | |
| CN107879692A (en) | A kind of preparation method of the gypsum based composite of multifilament enhancing | |
| CN109053122A (en) | A kind of preparation method of flame retardant type composite sound isolating material | |
| CN107540403A (en) | A kind of aerated concrete panel and its manufacture method using solid slag production | |
| CN106986663A (en) | A kind of preparation method of foam concrete block | |
| CN108585731A (en) | A kind of plasterboard of fibre reinforced and preparation method thereof | |
| CN109734387A (en) | A kind of preparation method of anti-folding bamboo pulp cement plate | |
| CN105036674A (en) | Environment-friendly wall thermal insulation composite material and preparation method thereof | |
| CN113651582A (en) | Plastering mortar with good volume stability and construction process thereof | |
| CN109235128A (en) | A kind of preparation method of high intensity impregnated paper | |
| CN108455921A (en) | A kind of preparation method of flyash brick | |
| CN106746977B (en) | A kind of ceramic beaverboard and preparation method thereof | |
| CN105040513B (en) | A kind of preparation method of glass fiber reinforcement paper | |
| CN108748571A (en) | A kind of bathroom cabinet timber pretreating process | |
| CN108358525A (en) | A kind of composite thermal insulation boards material and preparation method thereof | |
| CN111718152A (en) | Wormwood modified quartz stone 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |