CN108689668A - A kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar and preparation method thereof - Google Patents
A kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar and preparation method thereof Download PDFInfo
- Publication number
- CN108689668A CN108689668A CN201810726247.XA CN201810726247A CN108689668A CN 108689668 A CN108689668 A CN 108689668A CN 201810726247 A CN201810726247 A CN 201810726247A CN 108689668 A CN108689668 A CN 108689668A
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- China
- Prior art keywords
- parts
- bonding mortar
- thermal insulation
- exterior wall
- foam board
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Classifications
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/047—Zeolites
-
- 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
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar and preparation method thereof, pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar is grouped as by the group of following parts by weight:350-450 parts of sulphate aluminium cement, 500-600 parts of quartz sand, 50-100 parts of zeolite powder, 4-6 parts of cellulose ether, 15-20 parts of rubber powder, 1-2 parts of retarder.Formula is simple, proportioning is reasonable, the later stage corrective that zeolite powder is reacted as cement hydration is added in formula, coordinative role is good between each component, forms the low alkali solidfied material of property stabilization, effectively reduces the residual of calcium hydroxide, reduce the alkalinity of bonding mortar, zeolite powder and calcium hydroxide reaction product slight expansion simultaneously, can effectively offset the drying shrinkage of sulphate aluminium cement, enhance the adhesive strength of bonding mortar.It is scattered in bonding mortar using ethene-vinyl acetate rubber powder, toughening effect is played to bonding mortar, the risk of bonding mortar cracking can be reduced.Increase retarder, extends the hydration reaction time, improve the intensity of mortar.
Description
Technical field
The present invention relates to phenolic aldehyde energy-saving and heat-insulating material field, especially a kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding sand
Slurry and preparation method thereof.
Background technology
Urban architecture shows culture in such a way that its is unique, disseminates the charm of life, constantly penetrates into people's
In daily life, a harmony, peaceful spiritual home are built for people.China is still in construction period, building row at present
The development oncoming force of industry is swift and violent, throughout national each region.The public building more especially indicated with historic significance and epoch,
The distinctive individual character in city and elegance are shown with its unique moulding and structure, also therefore become the terrestrial reference in a city
Building has unique charm.
China has also put into energy-saving heat preserving of a large amount of fund for existing building while advocating energy-saving design energetically
Construction.Phenolic foam board is common energy-saving and heat-insulating material, has adhered to the property such as the fire-retardant of phenolic resin itself, stable structure
Can, there is fire resistant flame retardant, meet the characteristics such as good stability of the dimension, acid-alkali-corrosive-resisting under fiery object, hot and cold alternation environment without dripping off, building
It builds energy-saving field and obtains tremendous development.
In the construction of external walls heating insulation, indispensable one of material when bonding mortar is construction.Existing phenol formaldehyde foam
Mostly it is to use acid using thermosetting phenolic resin acid remains in phenol formaldehyde foam, makes as being fabricated under conditions of catalyst
Phenol formaldehyde foam presents acid.When phenol formaldehyde foam is applied to exterior insulation, in the adhesive interface layer of mortar and phenolic foam board,
Acid-base neutralization reaction occurs for the alkali of acid and bonding mortar in phenol formaldehyde foam, and then reduces between bonding mortar and phenolic foam board
Adhesive strength brings easy to crack, the unstable problem of bonding, influences the connection safety of pnenolic aldehyde foam board exterior wall outer heat preservation system
Property.
Invention content
The object of the present invention is to provide a kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortars and preparation method thereof, pass through
Zeolite powder is added in formula so that the bonding mortar has lower alkalinity and higher intensity, and phenol is bonded to solve mortar
Easily cracking and bonding unstable technical problem when aldehyde cystosepiment, while retarder is added, strengthen adhesive effect.
To achieve the above object, the present invention adopts the following technical scheme that:
One aspect of the present invention provides a kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar, by the component of following parts by weight
Composition:350-450 parts of sulphate aluminium cement, 500-600 parts of quartz sand, 50-100 parts of zeolite powder, 4-6 parts of cellulose ether, rubber powder
15-20 parts, 1-2 parts of retarder.
Further, sulphate aluminium cement is 42.5 quick hardening sulphoaluminate cement of strength grade.
Further, zeolite powder is 90-110 mesh, and natural zeolite content is at least 50%.
Further, the rubber powder is ethene-vinyl acetate rubber powder.
Further, retarder is citric acid.
Further, the bonding strength of bonding mortar and phenolic foam board is 110-135Kpa.
Further, quartz sand is the drying quartz sand of 60-100 mesh.
Further, it is grouped as by the group of following parts by weight:400 parts of sulphate aluminium cement, 550 parts of quartz sand, zeolite powder 70
Part, 5 parts of cellulose ether, 18 parts of rubber powder, 1 part of retarder.
Another aspect of the present invention provides a kind of preparation method of above-mentioned pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar,
Include the following steps:
First, measure each component according to proportioning;
Second, sulphate aluminium cement is added into batch mixer and quartz sand stirs evenly;
Zeolite powder, cellulose ether, rubber powder and retarder are poured into batch mixer and continue to stir by third successively, until mixing
Uniformly;
4th, packing and storing.
Beneficial effects of the present invention are embodied in:
1, a kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar provided by the invention and preparation method thereof, formula letter
Single, proportioning is reasonable, and coordinative role is good between each component.Worker's execute-in-place is easy to implement, and adhesive effect is good, and operability is strong.
2, bonding mortar provided by the invention is different from traditional bonding mortar and preparation method thereof, overcomes tradition bonding sand
Slurry with neutralization reaction when phenolic board contact surface is violent, corrosivity is strong, and then cause phenolic board adhesive effect poor, it is caducous weak
Point.Zeolite powder is added in mortar provided by the invention can be with cement containing a certain amount of active silica and disilicon trioxide
Hydrated product calcium hydroxide acts on, and generates the low alkali solidfied material of property stabilization, forms gelatinous mass, slowly neutralizes cement alkali
Property, the pH value in final mortar is reduced, intensity is improved.Mortar is contacted with acid phenolic board and can be obtained preferably during use
Adhesive strength.
3, select in formula sulphate aluminium cement to be used as cementitious material, fast solidifying, early strength height, preferred intensity etc.
The quick hardening sulphoaluminate cement of grade 42.5, later strength are better than other cement.Meanwhile zeolite powder is added in formula as water
The later stage corrective of mud hydration reaction, while zeolite powder and calcium hydroxide reaction product slight expansion, can effectively offset sulphur aluminic acid
The drying shrinkage of salt cement enhances the adhesive strength of bonding mortar.
4, it is also scattered in bonding mortar using ethene-vinyl acetate rubber powder in formula, toughening is played to bonding mortar and is made
With, can reduce bonding mortar cracking risk.
5, what is more important:By increasing retarder, extend the hydration reaction time of sulphate aluminium cement so that mortar
Intensity slowly rises, to obtain higher final strength.
Other features and advantages of the present invention will be illustrated in the following description, and partly becomes from specification
It is clear that understand through the implementation of the invention.The main object of the present invention and further advantage can be by specification, power
Specifically noted scheme is realized and is obtained in sharp claim.
Specific implementation mode
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is only exemplary,
It is only capable of for explanation and illustration technical scheme of the present invention, and the limitation to technical solution of the present invention cannot be construed to.
Zeolite (zeolite) is proposed (Cronstedt) discovery by the mineralogist Leiderkranz of Sweden and is proposed, natural silicon aluminium acid
Salt ore will produce boiling phenomenon in calcination.At least 36 kinds of the zeolite having now been found that.Its common feature is with frame
Shape structure has hydrone in crystal structure, these moisture can eject when encountering high temperature and can not necessarily destroy its original
There is crystalline structure.
One aspect of the present invention provides a kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar, by the component of following parts by weight
Composition:350-450 parts of 42.5 quick hardening sulphoaluminate cement of strength grade, 500-600 parts of the drying quartz sand of 60-100 mesh, 90-
50-100 parts of the zeolite powder of 110 mesh, 4-6 parts of cellulose ether, 15-20 parts of ethene-vinyl acetate rubber powder, citric acid retarder 1-2
Part.
Wherein, zeolite powder is 90-110 mesh, and natural zeolite content is at least 50%.The company of bonding mortar and phenolic foam board
It is 110-135Kpa to connect intensity.
The preparation method of above-mentioned pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar, includes the following steps:
First, measure each component according to proportioning;
Second, sulphate aluminium cement is added into batch mixer and quartz sand stirs evenly;
Zeolite powder, cellulose ether, rubber powder and retarder are poured into batch mixer and continue to stir by third successively, until mixing
Uniformly;
4th, packing and storing.
According to the obtained embodiment 1-3 of above-mentioned preparation method, specifically the selection of reactant see the table below 1 in embodiment.
The reactant of 1 comparative example of table and embodiment 1-3
Wherein, portland cement is strength grade 42.5 in comparative example, does not add zeolite powder and citric acid retarder, fine
The plain ether of dimension is hydroxypropyl methyl cellulose HPMC.
The performance test results of embodiment and comparative example are as shown in table 2 below:
2 performance test results of table
Contain a certain amount of active silica and disilicon trioxide in formula provided by the invention, it can be with the aquation of cement
Product calcium hydroxide acts on, and slowly neutralizes cement alkalinity, reduces final mortar pH value, generate gelatinous mass, improves adhesive strength.
Mortar is contacted with acid phenolic board during use can obtain better intensity.
The properties result enumerated according to upper table 2 as it can be seen that due in comparative example without using without addition zeolite powder and
Citric acid retarder, adhesive strength are far below embodiment 1-3.Pnenolic aldehyde foam board exterior wall external thermal insulation bonding provided by the invention
For the relatively conventional bonding mortar of mortar, the adhesive strength of phenolic foam board and bonding mortar can be substantially improved.Illustrate the present invention
The each group distribution ratio of offer is reasonable, especially the effect of coordinated zeolite powder and retarder, effectively reduces plastering and connects mortar
Alkalinity, low alkali solidfied material can be made after mixing and stirring, performance is much better than existing bonding mortar, enhances bonding mortar and phenol
The adhesive strength of aldehyde cystosepiment ensures the final product quality of later stage job execution.
The foregoing is merely the preferable specific implementation modes of the present invention, but scope of protection of the present invention is not limited thereto,
The change or replacement that any one skilled in the art is expected in the technical scope disclosed by the present invention should all be contained
Lid is within protection scope of the present invention.
Claims (9)
1. a kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar, it is characterised in that:It is grouped as by the group of following parts by weight:Sulphur
350-450 parts of aluminate cement, 500-600 parts of quartz sand, 50-100 parts of zeolite powder, 4-6 parts of cellulose ether, 15-20 parts of rubber powder,
1-2 parts of retarder.
2. pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar as described in claim 1, which is characterized in that sulphate aluminium cement
For 42.5 quick hardening sulphoaluminate cement of strength grade.
3. pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar as described in claim 1, which is characterized in that zeolite powder 90-
110 mesh, natural zeolite content are at least 50%.
4. pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar as described in claim 1, which is characterized in that the rubber powder is second
Alkene-vinyl acetate rubber powder.
5. pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar as described in claim 1, which is characterized in that retarder is lemon
Acid.
6. pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar as described in claim 1, which is characterized in that bonding mortar and phenol
The bonding strength of aldehyde cystosepiment is 110Kpa-135Kpa.
7. pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar as described in claim 1, which is characterized in that quartz sand 60-
The drying quartz sand of 100 mesh.
8. pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar as described in claim 1, which is characterized in that by following parts by weight
Group be grouped as:400 parts of sulphate aluminium cement, 550 parts of quartz sand, 70 parts of zeolite powder, 5 parts of cellulose ether, 18 parts of rubber powder, slow setting
1 part of agent.
9. a kind of preparation method of such as claim 1-8 any one of them pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortars,
It is characterised in that it includes following steps:
First, measure each component according to proportioning;
Second, sulphate aluminium cement is added into batch mixer and quartz sand stirs evenly;
Zeolite powder, cellulose ether, rubber powder and retarder are poured into batch mixer and continue to stir by third successively, until being uniformly mixed;
4th, packing and storing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726247.XA CN108689668A (en) | 2018-07-04 | 2018-07-04 | A kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810726247.XA CN108689668A (en) | 2018-07-04 | 2018-07-04 | A kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108689668A true CN108689668A (en) | 2018-10-23 |
Family
ID=63850395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810726247.XA Withdrawn CN108689668A (en) | 2018-07-04 | 2018-07-04 | A kind of pnenolic aldehyde foam board exterior wall external thermal insulation bonding mortar and preparation method thereof |
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| Country | Link |
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| CN (1) | CN108689668A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215618A (en) * | 2022-06-01 | 2022-10-21 | 上海嘉宝莉建筑节能科技有限公司 | External thermal insulation mortar capable of being used at low temperature and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876491A (en) * | 2015-05-22 | 2015-09-02 | 营口象圆新材料工程技术有限公司 | Mortar used for phenolic foam insulation board construction |
| CN105110733A (en) * | 2015-08-03 | 2015-12-02 | 郑州市春晟建材股份有限公司 | Adhesive mortar for phenolic insulation board |
| CN106966679A (en) * | 2017-03-10 | 2017-07-21 | 同济大学 | A kind of ternary gelling system facing mortar and its application method |
-
2018
- 2018-07-04 CN CN201810726247.XA patent/CN108689668A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876491A (en) * | 2015-05-22 | 2015-09-02 | 营口象圆新材料工程技术有限公司 | Mortar used for phenolic foam insulation board construction |
| CN105110733A (en) * | 2015-08-03 | 2015-12-02 | 郑州市春晟建材股份有限公司 | Adhesive mortar for phenolic insulation board |
| CN106966679A (en) * | 2017-03-10 | 2017-07-21 | 同济大学 | A kind of ternary gelling system facing mortar and its application method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215618A (en) * | 2022-06-01 | 2022-10-21 | 上海嘉宝莉建筑节能科技有限公司 | External thermal insulation mortar capable of being used at low temperature and preparation method and application thereof |
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Application publication date: 20181023 |
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| WW01 | Invention patent application withdrawn after publication |