CN108467248A - Has the light gypsum board and preparation method thereof of electro-magnetic screen function - Google Patents
Has the light gypsum board and preparation method thereof of electro-magnetic screen function Download PDFInfo
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- CN108467248A CN108467248A CN201810461542.7A CN201810461542A CN108467248A CN 108467248 A CN108467248 A CN 108467248A CN 201810461542 A CN201810461542 A CN 201810461542A CN 108467248 A CN108467248 A CN 108467248A
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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
-
- 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
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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)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of light gypsum boards and preparation method thereof having electro-magnetic screen function, are related to plasterboard building materials technology field, which includes following raw material：Land plaster, filler and outer adding assistant.Preparation method be by the stirring of the mixing and ball milling of raw material, ageing, molding, maintenance and etc. it is obtained.The plasterboard of the present invention prepares simple and convenient, high comprehensive performance, and application performance is good, and has excellent capability of electromagnetic shielding.
Description
Technical field
The present invention relates to plasterboard building materials technology fields, and in particular to have electro-magnetic screen function light gypsum board and its
Preparation method.
Background technology
Plasterboard be using building gypsum as a kind of building material made of primary raw material, have it is light-weight, easy to process, every
The features such as sound is fire-retardant, pressure-proof and snap-resistent is functional is one of the novel light plank of current development emphatically.Plasterboard is used extensively
In the internal partition walls of the various buildings such as house, office building, shop, hotel and industrial premises, wall cladding boards (instead of wall plastering
Layer), ceiling, abatvoix, ground layer plate and various decorative panels etc..Currently, plasterboard on the market mainly has Paper-faced gyp
Plate, decorated gypsum board, gypsum hollow lath etc., however the plasterboard of these types does not have the function of electromagnetic shielding, but electricity
Electromagnetic pollution already becomes the fifth-largest public hazards of the mankind after atmosphere pollution, water pollution, solid waste, noise pollution, to the mankind
Life and work and electrical equipment to cause damages be immeasurable, therefore, the improvement for building material plasterboard is that have very much
It is necessary.
Invention content
For problems of the prior art, the present invention provides a kind of light gypsum boards having electro-magnetic screen function
And preparation method thereof, this kind of plasterboard is simple and convenient, high comprehensive performance, and application performance is good, and has excellent electromagnetic shielding
Performance.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of light gypsum board having electro-magnetic screen function, it includes land plaster, filler and outer adding assistant to prepare raw material,
Wherein, which includes following raw material by weight：
1-2 parts of reproducibility iron powder；
Grey matter 4-6 parts of volcano；
2-3 parts of calc-sinter；
1-1.5 parts of expanded graphite；
3-5 parts of palygorskite；
2-3 parts of clinoptilolite；
4-6 parts of bauxite；
1.5-2 parts of aluminium-coated glass-fibre；
Above-mentioned land plaster (2-3) in mass ratio:1 is blended by citric acid gypsum powder, clayey land plaster；
The content of above-mentioned filler is in 32-36%；The content of outer adding assistant is in 6-8%；
Above-mentioned outer adding assistant includes following raw material by weight：0.6-0.8 parts of swelling agent, 0.3-0.5 parts of coupling agent,
0.3-0.5 parts of 3-5 parts of polymer emulsion, 0.4-0.6 parts of foaming agent and adjustable solidification agent.
Further, above-mentioned filler includes following raw material by weight：
1.5 parts of reproducibility iron powder；
5 parts of volcano grey matter；
2.5 parts of calc-sinter；
1.25 parts of expanded graphite；
4 parts of palygorskite；
2.5 parts of clinoptilolite；
5 parts of bauxite；
1.75 parts of aluminium-coated glass-fibre；
Above-mentioned land plaster in mass ratio 2:1 is blended by citric acid gypsum powder, clayey land plaster；
The content of above-mentioned filler is 34%；The content of outer adding assistant is 7%；
Above-mentioned outer adding assistant includes following raw material by weight：0.7 part of swelling agent, 0.4 part of coupling agent, polymer breast
0.4 part of 4 parts of liquid, 0.5 part of foaming agent and adjustable solidification agent.
Preferably, above-mentioned swelling agent is calcium sulphoaluminate, calcium oxide, alunite in mass ratio 1:1:1 is blended.
Preferably, above-mentioned coupling agent uses titanate coupling agent 201.
Preferably, above-mentioned polymer emulsion uses EVA lotions, and wherein VA contents are in 32-34%, melt index 112-
116g/10min。
Preferably, above-mentioned foaming agent is ammonium hydrogen carbonate, cellulose ether, polyacrylamide in mass ratio 5:1:1 is blended to obtain
's.
Preferably, above-mentioned adjustable solidification agent is borax, barium hydroxide, barium chloride in mass ratio 2:1:1 is blended.
A kind of preparation method of above-mentioned light gypsum board having electro-magnetic screen function, follows the steps below：
(1) it presses above-mentioned weight and obtains raw material；And by powdery solid raw material stoving；
(2) by land plaster and filler mixing and ball milling 4-5min, add be equivalent to weight of material 10-12% magnetized water,
70-80min is mixed in swelling agent, foaming agent jointly, obtains batch mixing A；
(3) coupling agent and polymer emulsion are added in batch mixing A and 25-35min is mixed jointly, obtain mixed material B；
(4) adjustable solidification agent is added in mixed material B and 6-8min is mixed jointly, obtain mixed material；The speed of agitator is not
Less than 70r/min；
(5) it is 18-22 DEG C in temperature by mixed material, relative air humidity is aged 6-7h under the conditions of being 85-90%；
(6) material after ageing is poured into a compression moulding in slab mold, pressing pressure 10-12MPa, then
Temperature conserves 3-4h under the conditions of being 80-90 DEG C, compression moulding again later, pressing pressure 34-36MPa；
(7) by plasterboard natural curing at least 48h after molding.
The present invention has following advantageous effect：
(1) plasterboard of the invention prepares simple and convenient, low production cost, and compatibility performance is excellent between raw material, production effect
Rate is high, and suitable for scale of mass production, the completed gypsum board density being prepared is small, but mechanical strength greatly promotes, resistance to compression, anti-folding
Intensity is high, compares existing city's surface gypsum board, also has more excellent water proof fire retardant, corrosion-resistant resistance to weathering, thermal insulation separation
Sound etc., this kind of plate is recyclable after abandoning, environmentally protective；
(2) plasterboard of the invention has following characteristic；1. can excessive moisture in suction chamber, and can dry indoors
Under the conditions of release and humidified；2. effectively deodorization, antibacterial, anthelmintic action can be carried out to indoor environment, improve indoor raw
Living or working environment；3. interference of the external electromagnetic wave to indoor environment can be shielded effectively, electromagnetic pollution is reduced；4. above-mentioned original
The addition of material enhances the compactness of product structure, improves the toughness of plasterboard, and load-bearing capacity is good, securely and reliably,
It is widely used, service life is long.
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 light gypsum board having electro-magnetic screen function, prepare raw material include land plaster, 32% filler and 6%
Outer adding assistant, wherein the filler includes following raw material by weight：
1 part of reproducibility iron powder；
4 parts of volcano grey matter；
2 parts of calc-sinter；
1 part of expanded graphite；
3 parts of palygorskite；
2 parts of clinoptilolite；
4 parts of bauxite；
1.5 parts of aluminium-coated glass-fibre；
Above-mentioned land plaster in mass ratio 2:1 is blended by citric acid gypsum powder, clayey land plaster；
Above-mentioned outer adding assistant includes following raw material by weight：0.6 part of swelling agent, 0.3 part of coupling agent, polymer breast
0.3 part of 3 parts of liquid, 0.4 part of foaming agent and adjustable solidification agent.
Above-mentioned each additional selection of auxiliary is as shown in table 1 below：
Table 1
The preparation method of the above-mentioned light gypsum board for having electro-magnetic screen function is as follows：
(1) it presses above-mentioned weight and obtains raw material；And powdery solid raw material is dried under the conditions of temperature is 70 DEG C again；
(2) land plaster and filler are added to mixing and ball milling 4min in zirconia ball mill, it is micro- that discharge fineness is less than 200
Rice；The material after ball milling is delivered in blender again, the magnetized water, swelling agent, foaming for being equivalent to weight of material 10% is added
70min is mixed in agent jointly, obtains batch mixing A；
(3) coupling agent and polymer emulsion are added in batch mixing A and 25min is mixed jointly, obtain mixed material B；
(4) adjustable solidification agent is added in mixed material B and 6min is mixed jointly, obtain mixed material；Above-mentioned speed of agitator setting
For 70r/min；
(5) mixed material is placed in ageing room, is 18 DEG C in temperature, relative air humidity is aged under the conditions of being 85%
7h；
(6) material after ageing is poured into a compression moulding in slab mold, pressing pressure 10MPa, when compacting
Between be 5s, then conserve 4h under the conditions of temperature is 80 DEG C, compression moulding again later, pressing pressure 34MPa, the pressing time is
10s；
(7) finally by plasterboard natural curing 48h after molding.
Embodiment 2
A kind of light gypsum board having electro-magnetic screen function, prepare raw material include land plaster, 34% filler and 7%
Outer adding assistant, wherein the filler includes following raw material by weight：
1.5 parts of reproducibility iron powder；
5 parts of volcano grey matter；
2.5 parts of calc-sinter；
1.25 parts of expanded graphite；
4 parts of palygorskite；
2.5 parts of clinoptilolite；
5 parts of bauxite；
1.75 parts of aluminium-coated glass-fibre；
Above-mentioned land plaster in mass ratio 2:1 is blended by citric acid gypsum powder, clayey land plaster；
Above-mentioned outer adding assistant includes following raw material by weight：0.7 part of swelling agent, 0.4 part of coupling agent, polymer breast
0.4 part of 4 parts of liquid, 0.5 part of foaming agent and adjustable solidification agent.
Above-mentioned each additional selection of auxiliary is as shown in table 2 below：
Table 2
The preparation method of the above-mentioned light gypsum board for having electro-magnetic screen function is as follows：
(1) it presses above-mentioned weight and obtains raw material；And powdery solid raw material is dried under the conditions of temperature is 75 DEG C again；
(2) land plaster and filler are added to mixing and ball milling 4.5min in zirconia ball mill, it is micro- that discharge fineness is less than 200
Rice；The material after ball milling is delivered in blender again, the magnetized water, swelling agent, foaming for being equivalent to weight of material 11% is added
75min is mixed in agent jointly, obtains batch mixing A；
(3) coupling agent and polymer emulsion are added in batch mixing A and 30min is mixed jointly, obtain mixed material B；
(4) adjustable solidification agent is added in mixed material B and 7min is mixed jointly, obtain mixed material；Above-mentioned speed of agitator setting
For 80r/min；
(5) mixed material is placed in ageing room, is 20 DEG C in temperature, relative air humidity is aged under the conditions of being 88%
6.5h；
(6) material after ageing is poured into a compression moulding in slab mold, pressing pressure 11MPa, when compacting
Between be 5s, then temperature be 85 DEG C under the conditions of conserve 3.5h, compression moulding again later, pressing pressure 35MPa, the pressing time
For 9s；
(7) finally by plasterboard natural curing 52h after molding.
Embodiment 3
A kind of light gypsum board having electro-magnetic screen function, prepare raw material include land plaster, 36% filler and 8%
Outer adding assistant, wherein the filler includes following raw material by weight：
2 parts of reproducibility iron powder；
6 parts of volcano grey matter；
3 parts of calc-sinter；
1.5 parts of expanded graphite；
5 parts of palygorskite；
3 parts of clinoptilolite；
6 parts of bauxite；
2 parts of aluminium-coated glass-fibre；
Above-mentioned land plaster in mass ratio 3:1 is blended by citric acid gypsum powder, clayey land plaster；
Above-mentioned outer adding assistant includes following raw material by weight：0.8 part of swelling agent, 0.5 part of coupling agent, polymer breast
0.5 part of 5 parts of liquid, 0.6 part of foaming agent and adjustable solidification agent.
Above-mentioned each additional selection of auxiliary is as shown in table 3 below：
Table 3
The preparation method of the above-mentioned light gypsum board for having electro-magnetic screen function is as follows：
(1) it presses above-mentioned weight and obtains raw material；And powdery solid raw material is dried under the conditions of temperature is 80 DEG C again；
(2) land plaster and filler are added to mixing and ball milling 5min in zirconia ball mill, it is micro- that discharge fineness is less than 200
Rice；The material after ball milling is delivered in blender again, the magnetized water, swelling agent, foaming for being equivalent to weight of material 12% is added
80min is mixed in agent jointly, obtains batch mixing A；
(3) coupling agent and polymer emulsion are added in batch mixing A and 35min is mixed jointly, obtain mixed material B；
(4) adjustable solidification agent is added in mixed material B and 8min is mixed jointly, obtain mixed material；Above-mentioned speed of agitator setting
For 80r/min；
(5) mixed material is placed in ageing room, is 22 DEG C in temperature, relative air humidity is aged under the conditions of being 90%
6h；
(6) material after ageing is poured into a compression moulding in slab mold, pressing pressure 12MPa, when compacting
Between be 4s, then conserve 3h under the conditions of temperature is 90 DEG C, compression moulding again later, pressing pressure 36MPa, the pressing time is
8s；
(7) finally by plasterboard natural curing 52h after molding.
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. having the light gypsum board of electro-magnetic screen function, it includes land plaster, filler and outer adding assistant, feature to prepare raw material
It is, the filler includes following raw material by weight：
1-2 parts of reproducibility iron powder；
Grey matter 4-6 parts of volcano；
2-3 parts of calc-sinter；
1-1.5 parts of expanded graphite；
3-5 parts of palygorskite；
2-3 parts of clinoptilolite；
4-6 parts of bauxite；
1.5-2 parts of aluminium-coated glass-fibre；
The land plaster (2-3) in mass ratio:1 is blended by citric acid gypsum powder, clayey land plaster；
The content of the filler is in 32-36%；The content of outer adding assistant is in 6-8%；
The outer adding assistant includes following raw material by weight：0.6-0.8 parts of swelling agent, 0.3-0.5 parts of coupling agent, polymerization
0.3-0.5 parts of 3-5 parts of object lotion, 0.4-0.6 parts of foaming agent and adjustable solidification agent.
2. the light gypsum board according to claim 1 for having electro-magnetic screen function, which is characterized in that the filler includes
Raw material by weight below：
1.5 parts of reproducibility iron powder；
5 parts of volcano grey matter；
2.5 parts of calc-sinter；
1.25 parts of expanded graphite；
4 parts of palygorskite；
2.5 parts of clinoptilolite；
5 parts of bauxite；
1.75 parts of aluminium-coated glass-fibre；
The land plaster in mass ratio 2:1 is blended by citric acid gypsum powder, clayey land plaster；
The content of the filler is 34%；The content of outer adding assistant is 7%；
The outer adding assistant includes following raw material by weight：0.7 part of swelling agent, 0.4 part of coupling agent, polymer emulsion 4
0.4 part of part, 0.5 part of foaming agent and adjustable solidification agent.
3. the light gypsum board according to claim 1 for having electro-magnetic screen function, which is characterized in that the swelling agent is
Calcium sulphoaluminate, calcium oxide, alunite in mass ratio 1:1:1 is blended.
4. the light gypsum board according to claim 1 for having electro-magnetic screen function, which is characterized in that the coupling agent is
Titanate coupling agent 201.
5. the light gypsum board according to claim 1 for having electro-magnetic screen function, which is characterized in that the polymer breast
Liquid is EVA lotions, and wherein VA contents are in 32-34%, melt index 112-116g/10min.
6. the light gypsum board according to claim 1 for having electro-magnetic screen function, which is characterized in that the foaming agent is
Ammonium hydrogen carbonate, cellulose ether, polyacrylamide in mass ratio 5:1:1 is blended.
7. the light gypsum board according to claim 1 for having electro-magnetic screen function, which is characterized in that the adjustable solidification agent is
Borax, barium hydroxide, barium chloride in mass ratio 2:1:1 is blended.
8. a kind of preparation method for the light gypsum board having electro-magnetic screen function according to claim 1-7 any one of them,
It is characterized by comprising the following steps：
(1) it presses the weight and obtains raw material；And by powdery solid raw material stoving；
(2) by land plaster and filler mixing and ball milling 4-5min, the magnetized water for being equivalent to weight of material 10-12%, expansion are added
70-80min is mixed in agent, foaming agent jointly, obtains batch mixing A；
(3) coupling agent and polymer emulsion are added in batch mixing A and 25-35min is mixed jointly, obtain mixed material B；
(4) adjustable solidification agent is added in mixed material B and 6-8min is mixed jointly, obtain mixed material；The speed of agitator is not less than
70r/min；
(5) it is 18-22 DEG C in temperature by mixed material, relative air humidity is aged 6-7h under the conditions of being 85-90%；
(6) material after ageing is poured into a compression moulding in slab mold, pressing pressure 10-12MPa, then in temperature
3-4h is conserved under the conditions of being 80-90 DEG C, later compression moulding again, pressing pressure 34-36MPa；
(7) by plasterboard natural curing at least 48h after molding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810461542.7A CN108467248A (en) | 2018-05-15 | 2018-05-15 | Has the light gypsum board and preparation method thereof of electro-magnetic screen function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810461542.7A CN108467248A (en) | 2018-05-15 | 2018-05-15 | Has the light gypsum board and preparation method thereof of electro-magnetic screen function |
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| CN108467248A true CN108467248A (en) | 2018-08-31 |
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| CN201810461542.7A Withdrawn CN108467248A (en) | 2018-05-15 | 2018-05-15 | Has the light gypsum board and preparation method thereof of electro-magnetic screen function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110256032A (en) * | 2019-07-18 | 2019-09-20 | 北京生态家园科技集团有限公司 | A kind of lightweight wall plaster alignment material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342533A (en) * | 2013-07-15 | 2013-10-09 | 中国人民解放军第三军医大学 | Electromagnetic protection gypsum board and preparation method thereof |
| CN107434389A (en) * | 2016-05-25 | 2017-12-05 | 北新集团建材股份有限公司 | A kind of Thistle board of anti-electromagnetic radiation and preparation method thereof |
-
2018
- 2018-05-15 CN CN201810461542.7A patent/CN108467248A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342533A (en) * | 2013-07-15 | 2013-10-09 | 中国人民解放军第三军医大学 | Electromagnetic protection gypsum board and preparation method thereof |
| CN107434389A (en) * | 2016-05-25 | 2017-12-05 | 北新集团建材股份有限公司 | A kind of Thistle board of anti-electromagnetic radiation and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110256032A (en) * | 2019-07-18 | 2019-09-20 | 北京生态家园科技集团有限公司 | A kind of lightweight wall plaster alignment material and preparation method thereof |
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Application publication date: 20180831 |