CN106433274A - Heat-cold insulation bridge type flue gas desulfurization gypsum-based joint filling agent - Google Patents
Heat-cold insulation bridge type flue gas desulfurization gypsum-based joint filling agent Download PDFInfo
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- CN106433274A CN106433274A CN201610822943.1A CN201610822943A CN106433274A CN 106433274 A CN106433274 A CN 106433274A CN 201610822943 A CN201610822943 A CN 201610822943A CN 106433274 A CN106433274 A CN 106433274A
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- bridge type
- cold
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- caulking agent
- desulfurized gypsum
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
Abstract
The invention discloses a heat-cold insulation bridge type flue gas desulfurization gypsum-based joint filling agent. The heat-cold insulation bridge type flue gas desulfurization gypsum-based joint filling agent is prepared by mixing and stirring, by weight, 58-66 parts of desulfurization beta hemihydrate gypsum, 0-3 parts of fly ash microspheres, 2-7 parts of hollow glass microspheres, 0-18 parts of fly ash floating beads, 0-15 parts of inert filler, 0.1-0.20 part of a retarder, 0-0.50 part of fiber, 0.2-0.30 part of a water retaining agent and 0-6.1 parts of dispersible adhesive powder to be uniform, wherein the water cement ratio is 1:(1.3-1.8). The novel heat-cold insulation bridge type flue gas desulfurization gypsum-based joint filling agent is good in application property, low in heat conductivity coefficient, capable of achieving heat preservation, low in weight, capable of saving energy, good in sound absorptivity and high in binding power and generating little flying dust.
Description
Technical field
The present invention relates to caulking agent field, more particularly to a kind of cold and hot bridge type desulfurized gypsum base caulking agent that breaks.
Background technology
In recent years, Chinese desulfurated plaster comprehensive utilization achieved very big achievement, and 2012, volume of comprehensive utilization reached 49,500,000
T, the overwhelming majority, as cement retarder, has small part to be applied to Thistle board building gypsum plaster, still faces very big problem：
（1）The delayed and speedup of desulfurated plaster depletion rate, in the end of the year 2012, still has more than 11,000,000 t desulfurated plaster heaps and there is grey field；
（2）Technically added value is relatively low, still based on large utilization.
Flue Gas Desulfurization Engineering in Power Plant construction is being carried out although desulfurated plaster is strongly promoted in paper stone in Shanghai in Shanghai comprehensively
The application of the aspects such as cream plate, brushing gypsum, cement additire, but still it is difficult to consume the desulfurization stone of the substantial amounts of annual generation
Cream.If these by-products are mishandling, not only waste available mineral nutrition resource in a large number, and easily cause secondary dirt
Dye and land seizure problem.Therefore, seek the comprehensive Utilization Ways of desulfurized gesso of flue gas, realize changing waste into resources and compeled in eyebrow
Eyelash.By desulfurated plaster be applied to desulfurated plaster binding agent should be desulfurated plaster scale utilize one of optimal.
Although desulfurized gypsum base caulking agent is applied in having heat preservation system inside in recent years, research at present is all gone back
The impact of cold-heat bridge performance of material being broken without reference to it.In heat preservation system inside plasterboard work progress, have between plate and plate
The wide seam of about 5mm, needs to carry out pointing with caulking agent.Because plain edition desulfurized gypsum base caulking agent thermal conductivity ratio Gypsum Fibrosum is protected
Warm plate is much larger, can produce cold-heat bridge, impact system heat insulating ability and residential amenity at plate stitch.
Content of the invention
The invention mainly solves the technical problem of providing a kind of cold and hot bridge type desulfurized gypsum base caulking agent that breaks, it is a kind of new
Type breaks cold and hot bridge type gypsum base caulking agent, and application property is good, heat conductivity is low, insulation, lightweight, energy-conservation, sound absorption qualities are good；Airborne dust
Few；Cohesive force is high.
For solving above-mentioned technical problem, one aspect of the present invention is：A kind of cold and hot bridge type desulfurization of breaking is provided
Gypsum base caulking agent, is made up of following materials in part by weight mixing and stirring：
58 ~ 66 parts of desulfurization β semi-hydrated gypsum,
0 ~ 3 part of fly ash micro-sphere,
2 ~ 7 parts of hollow glass micro-ball,
0 ~ 18 part of fly ash float,
0 ~ 15 part of inert filler,
0.1 ~ 0.20 part of retarder,
0 ~ 0.50 part of fiber,
0.2 ~ 0.30 part of water-retaining agent,
0 ~ 6.1 part of re-dispersible glue powder,
The ratio of mud 1:1.3~1.8.
In a preferred embodiment of the present invention, described desulfurization β semi-hydrated gypsum is calcining flue gas β semi-hydrated gypsum, can solve
A certainly desuifurized comprehensive utilization of resources difficult problem, β semi-hydrated gypsum is a kind of air hardening cementitious materials, meets GB/T 9776-2008
Requirement, meet prepare break cold and hot bridge type desulfurized gypsum base caulking agent semi-hydrated gypsum performance.
In a preferred embodiment of the present invention, the mean diameter of described fly ash micro-sphere is 1.5 ~ 2.0 μm, is ultra-fine
Fly ash micro-sphere, full spherical, there is viscosity reduction characteristic, mineral diminishing characteristic, the fillibility of global shape ultra-fine grain and " ball effect
Should " water consumption can be significantly reduced, also there is the effect of stable gypsum slurry.
In a preferred embodiment of the present invention, the mean diameter of described hollow glass micro-ball is 0.7 μm, is ultra-fine sky
Heart glass microsphere, quality is extremely light, and heat insulating ability is very excellent.
In a preferred embodiment of the present invention, the mean diameter of described fly ash float is 120 μm, fly ash float
Lightweight, insulation, in dry mash and wet-mixing material, lubricity is good, can improve heat-insulating property, reduce heat conductivity, and make application property good
Good.
In a preferred embodiment of the present invention, described inert filler is precipitated calcium carbonate.
In a preferred embodiment of the present invention, described retarder is tartaric acid.
In a preferred embodiment of the present invention, described fiber is lignin fibre, and lignin fibre is flocculent structure,
The dust in dry mash can be adsorbed in a large number, greatly reduce the generation of airborne dust.
In a preferred embodiment of the present invention, described water-retaining agent is methyl cellulose ether, viscosity is 20000/
mPa·s.
In a preferred embodiment of the present invention, described re-dispersible glue powder is vinyl acetate/ethylene/binary copolymerization
Rubber powder, the chance water with good resisting saponification is redispersible.
The invention has the beneficial effects as follows：
1st, the present invention is a kind of new cold and hot bridge type gypsum base caulking agent that breaks, and is a kind of new cold and hot bridge type gypsum base filleting that breaks
Agent, application property is good, heat conductivity is low, insulation, lightweight, energy-conservation, sound absorption qualities are good；Airborne dust is few；Cohesive force is high.
2nd, the present invention adopts desulphurization building gypsum is base material, containing multiple chemical admixtures, carries out pointing, the seam such as levelling
Process, so that plasterboard plate face is integrally formed；There is good, sticky suitable, the easy painting of workability scrape, have enough used whens
Between, stiff fast, do not shrink, belong to coagulating type putty, can gap fully between the plate of pointing different-thickness, not crackle, equally applicable
Repair in cracking of wall surface, hollowing and pipeline groove location.
3rd, the present invention is conducive to because pointing is full improving sound reduction index and fire resistance, has Suitable bead bond performance, makes
The plate face of sealing paint filling and plasterboard, Gypsum Fibrosum core and seam connecting belt etc. all can be firmly bonded, and fire resistance and intensity are superior to
Thistle board, is a kind of universal joint putty of suitable all kinds plasterboard plate seam.
Specific embodiment
The enforcement it is clear that described will be clearly and completely described to the technical scheme in the embodiment of the present invention below
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of not making creative work, broadly falls into the model of present invention protection
Enclose.
Embodiment 1
A kind of cold and hot bridge type desulfurized gypsum base caulking agent that breaks, is made up of following materials in part by weight mixing and stirring：Calcining flue gas β
58 parts of semi-hydrated gypsum, mean diameter is 1.8 μm of 3 parts of fly ash micro-sphere, and mean diameter is 0.7 μm of 2 parts of hollow glass micro-ball,
Mean diameter is 120 μm of 18 parts of fly ash float, 15 parts of inert filler, 0.20 part of tartaric acid retarder, and viscosity is
0.30 part of the methyl cellulose ether of 20000/mPa s, 3.5 parts of vinyl acetate/ethylene/binary copolymerization rubber powder, the ratio of mud 1:
1.8, stir, the prepared present invention is broken cold and hot bridge type desulfurized gypsum base caulking agent.
Embodiment 2
A kind of cold and hot bridge type desulfurized gypsum base caulking agent that breaks, is made up of following materials in part by weight mixing and stirring：Calcining flue gas β
66 parts of semi-hydrated gypsum, mean diameter is 2.0 μm of 3 parts of fly ash micro-sphere, and mean diameter is 0.7 μm of 6 parts of hollow glass micro-ball,
Mean diameter is 120 μm of 18 parts of fly ash float, 0.1 part of tartaric acid retarder, 0.50 part of lignin fibre, and viscosity is
0.2 ~ 0.30 part of the methyl cellulose ether of 20000/mPa s, 6.1 parts of vinyl acetate/ethylene/binary copolymerization rubber powder, the ratio of mud
1:1.7, stir, the prepared present invention is broken cold and hot bridge type desulfurized gypsum base caulking agent.
Embodiment 3
A kind of cold and hot bridge type desulfurized gypsum base caulking agent that breaks, is made up of following materials in part by weight mixing and stirring：Calcining flue gas β
65 parts of semi-hydrated gypsum, mean diameter is 1.5 μm of 3 parts of fly ash micro-sphere, and mean diameter is 0.7 μm of 7 parts of hollow glass micro-ball,
Mean diameter is 120 μm of 18 parts of fly ash float, 0.1 part of tartaric acid retarder, 0.50 part of lignin fibre, and viscosity is
0.2 part of the methyl cellulose ether of 20000/mPa s, the ratio of mud 1.3 ~ 1.8, stir, the prepared present invention is broken cold and hot bridge type
Desulfurized gypsum base caulking agent.
Comparative example 1
This comparative example is plain edition desulfurized gypsum base caulking agent, and its cohesive force and heat conductivity are compared with the present invention, explanation
The good heat insulating of disconnected cold and hot bridge type desulfurized gypsum base caulking agent and intensity are good, meet environmental protection and energy saving economic requirement.
Its weight percentages of components is taken to be：
57.5 parts of β semi-hydrated gypsum, 40 parts of inert filler, viscosity are 0.30 part of the methyl cellulose ether of 20000/mPa s, wine
Stone 0.20 part of retarder of acid, 1.50 parts of vinyl acetate/ethylene/binary copolymerization rubber powder, 0.50 part of lignin fibre, the ratio of mud 1:
2.0.
Disconnected cold and hot bridge type desulfurized gypsum base caulking agent that the embodiment of the present invention 1 ~ embodiment 3 is obtained and comparative example 1 are prepared
The performance of plain edition desulfurized gypsum base caulking agent is as shown in table 1.
Table 1
| Tensile bond strength/MPa | Heat conductivity | |
| Embodiment 1 | 0.66 | 0.12 |
| Embodiment 2 | 0.85 | 0.10 |
| Embodiment 3 | 0.86 | 0.09 |
| Comparative example 1 | 0.70 | 0.20 |
As it can be seen from table 1 the heat conductivity of the cold and hot bridge type desulfurized gypsum base caulking agent that breaks is low, cohesive force is also strong, product insulation,
Light, energy-conservation, is that the environment-friendly type really meeting recycling economy is broken cold and hot bridge type desulfurized gypsum base caulking agent.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in the technology neck of other correlations
Domain, is included within the scope of the present invention.
Claims (10)
1. a kind of cold and hot bridge type desulfurized gypsum base caulking agent that breaks is it is characterised in that by following materials in part by weight mixing and stirring
Make：
58 ~ 66 parts of desulfurization β semi-hydrated gypsum,
0 ~ 3 part of fly ash micro-sphere,
2 ~ 7 parts of hollow glass micro-ball,
0 ~ 18 part of fly ash float,
0 ~ 15 part of inert filler,
0.1 ~ 0.20 part of retarder,
0 ~ 0.50 part of fiber,
0.2 ~ 0.30 part of water-retaining agent,
0 ~ 6.1 part of re-dispersible glue powder,
The ratio of mud 1:1.3~1.8.
2. the cold and hot bridge type desulfurized gypsum base caulking agent that breaks according to claim 1 is it is characterised in that described desulfurization β half
Water stone cream is calcining flue gas β semi-hydrated gypsum.
3. the cold and hot bridge type desulfurized gypsum base caulking agent that breaks according to claim 1 is it is characterised in that described flyash is micro-
The mean diameter of pearl is 1.5 ~ 2.0 μm.
4. the cold and hot bridge type desulfurized gypsum base caulking agent that breaks according to claim 1 is it is characterised in that described hollow glass
The mean diameter of microsphere is 0.7 μm.
5. the cold and hot bridge type desulfurized gypsum base caulking agent that breaks according to claim 1 is it is characterised in that described flyash floats
The mean diameter of pearl is 120 μm.
6. the cold and hot bridge type desulfurized gypsum base caulking agent that breaks according to claim 1 is it is characterised in that described inertia is filled
Expect for precipitated calcium carbonate.
7. the cold and hot bridge type desulfurized gypsum base caulking agent that breaks according to claim 1 is it is characterised in that described retarder is
Tartaric acid.
8. the cold and hot bridge type desulfurized gypsum base caulking agent that breaks according to claim 1 is it is characterised in that described fiber is wood
Quality fiber.
9. the cold and hot bridge type desulfurized gypsum base caulking agent that breaks according to claim 1 is it is characterised in that described water-retaining agent is
Methyl cellulose ether, viscosity is 20000/mPa s.
10. the cold and hot bridge type desulfurized gypsum base caulking agent that breaks according to claim 1 is it is characterised in that described can divide again
Scattered rubber powder is vinyl acetate/ethylene/binary copolymerization rubber powder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610822943.1A CN106433274A (en) | 2016-09-14 | 2016-09-14 | Heat-cold insulation bridge type flue gas desulfurization gypsum-based joint filling agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610822943.1A CN106433274A (en) | 2016-09-14 | 2016-09-14 | Heat-cold insulation bridge type flue gas desulfurization gypsum-based joint filling agent |
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| CN106433274A true CN106433274A (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722703A (en) * | 2017-09-28 | 2018-02-23 | 贵州益新装配式新型建材有限公司 | A kind of wall plastering gypsum compositions and preparation method thereof |
| CN107722702A (en) * | 2017-09-28 | 2018-02-23 | 贵州益新装配式新型建材有限公司 | A kind of gypsum base exterior wall foundation composition and preparation method thereof |
| CN108218374A (en) * | 2018-01-09 | 2018-06-29 | 上海复培新材料技术有限公司 | Special caulking agent for plasterboard seam and preparation method thereof |
| CN112063218A (en) * | 2020-10-27 | 2020-12-11 | 安徽天锦云节能防水科技有限公司 | Sound-insulation and heat-preservation putty for buildings and preparation method thereof |
| CN114133782A (en) * | 2021-11-26 | 2022-03-04 | 中建材创新科技研究院有限公司 | Gypsum board adhesive and application thereof |
-
2016
- 2016-09-14 CN CN201610822943.1A patent/CN106433274A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722703A (en) * | 2017-09-28 | 2018-02-23 | 贵州益新装配式新型建材有限公司 | A kind of wall plastering gypsum compositions and preparation method thereof |
| CN107722702A (en) * | 2017-09-28 | 2018-02-23 | 贵州益新装配式新型建材有限公司 | A kind of gypsum base exterior wall foundation composition and preparation method thereof |
| CN108218374A (en) * | 2018-01-09 | 2018-06-29 | 上海复培新材料技术有限公司 | Special caulking agent for plasterboard seam and preparation method thereof |
| CN112063218A (en) * | 2020-10-27 | 2020-12-11 | 安徽天锦云节能防水科技有限公司 | Sound-insulation and heat-preservation putty for buildings and preparation method thereof |
| CN114133782A (en) * | 2021-11-26 | 2022-03-04 | 中建材创新科技研究院有限公司 | Gypsum board adhesive and application thereof |
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Application publication date: 20170222 |