CN108689667A - A kind of pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar and preparation method thereof - Google Patents
A kind of pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar and preparation method thereof Download PDFInfo
- Publication number
- CN108689667A CN108689667A CN201810724723.4A CN201810724723A CN108689667A CN 108689667 A CN108689667 A CN 108689667A CN 201810724723 A CN201810724723 A CN 201810724723A CN 108689667 A CN108689667 A CN 108689667A
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- China
- Prior art keywords
- parts
- thermal insulation
- exterior wall
- foam board
- external thermal
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00508—Cement paints
-
- 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
Abstract
The invention discloses a kind of pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortars and preparation method thereof, are 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, 25-30 parts of rubber powder, 15-20 parts of bentonite, 2-3 parts of staple fiber.Decorative mortar formula provided by the invention is simple, and proportioning is reasonable, and coordinative role is good between each component, improves easy property living, and worker scene is easy to smooth out, and operability is strong.Mortar contains a certain amount of active silica and disilicon trioxide, can be acted on the hydrated product calcium hydroxide of cement, generates the low alkali solidfied material that property is stablized, and forms gelatinous mass, improves intensity.Cement alkalinity is slowly neutralized, the pH value in decorative mortar is reduced, mortar is contacted with acid phenolic board during use can obtain better intensity, can reduce the risk for cracking and falling off between mortar and phenolic board, it is made to obtain better secure connection.
Description
Technical field
The present invention relates to plastering mortar material field, especially a kind of pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar and
Preparation method.
Background technology
The energy-saving design of building is paid much attention in current urban construction, country has also put into a large amount of fund for city
In the heat preservation of old residential area external wall energy-saving construction.Phenol formaldehyde foam 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.
The construction of external walls heating insulation is very universal, indispensable one of material when decorative mortar is construction.Existing phenolic aldehyde
Foam is mostly to use acid using thermosetting phenolic resin acid remains in phenol formaldehyde foam as being fabricated under conditions of catalyst
In, so that phenol formaldehyde foam is presented acid.When phenol formaldehyde foam is applied to exterior insulation, on the bonding boundary of mortar and phenolic foam board
Acid-base neutralization reaction occurs for the alkali of face layer, acid and decorative mortar in phenol formaldehyde foam, reduces between decorative mortar and phenolic foam board
Adhesive strength, it is easy to crack, bonding it is insecure, influence the connection safety of pnenolic aldehyde foam board exterior wall outer heat preservation system.
Invention content
The object of the present invention is to provide a kind of pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar and preparation method thereof, the sand
Slurry is conducive to quickly smooth out when construction, and application property is strong.Due to adding zeolite powder in formula so that the decorative mortar have compared with
Low alkaline and higher intensity is asked with solving easily cracking when mortar the is bonded phenolic foam board and unstable technology of bonding
Topic.
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 decorative 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
25-30 parts, 15-20 parts of bentonite, 2-3 parts of staple fiber.
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, bentonite is organobentonite.
Further, staple fiber is lignin chopped strand.
Further, the bonding strength of decorative mortar and phenolic foam board is 125-130Kpa.
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, 28 parts of rubber powder, 16 parts of bentonite, 3 parts of staple fiber.
Another aspect of the present invention provides a kind of preparation method of above-mentioned pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar,
Include the following steps:
First, measure each component according to proportioning;
Second, sulphate aluminium cement and quartz sand stir evenly;
Zeolite powder, cellulose ether, rubber powder, bentonite and staple fiber are poured into batch mixer and stir, mix by third successively
It is even;
4th, packing and storing.
Beneficial effects of the present invention are embodied in:
1, decorative mortar provided by the invention is different from traditional decorative mortar and preparation method thereof, overcomes tradition plastering 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.Mortar provided by the invention contains a certain amount of active silica and disilicon trioxide, can be with the hydrated product hydrogen of cement
Calcium oxide acts on, and forms the low alkali solidfied material of property stabilization, generates gelatinous mass, slowly neutralizes cement alkalinity, reduces final
PH value in mortar, mortar is contacted with acid phenolic board during use can obtain better bonding strength, have preferably
Connection safety.
2, select in formula sulphate aluminium cement to be used as cementitious material, fast solidifying, early strength height.In formula plus
The later stage corrective that zeolite powder is reacted as cement hydration, zeolite powder and calcium hydroxide reaction product slight expansion are entered, can have
Effect offsets the drying shrinkage of sulphate aluminium cement, prevents mortar from cracking, and increases intensity.
3, also ethene-vinyl acetate rubber powder is scattered in decorative mortar in formula, toughening effect is played to decorative mortar,
Further decrease the risk of bonding mortar cracking;
4, the bentonite of addition can effectively extend the water conservation time of mortar, and decorative mortar is made to have better workability.
5, a kind of pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar provided by the invention and preparation method thereof, formula letter
Single, proportioning is reasonable, and coordinative role has easy property of preferably living between each component, and worker scene facilitates floating, and operability is strong, more
Suitable for pnenolic aldehyde foam board exterior wall outer heat preservation system.
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.
A kind of pnenolic aldehyde foam board exterior wall external thermal insulation of present invention offer is mainly used for decorative mortar outside pnenolic aldehyde foam board exterior wall
The construction of thermal insulation material is grouped as by the group of following parts by weight:Can be 42.5 quick hardening sulphoaluminate cement 350- of strength grade
450 parts, 500-600 parts of the drying quartz sand of 60-100 mesh, 50-100 parts of zeolite powder, 4-6 parts of cellulose ether, 25-30 parts of rubber powder,
It can be ethene-vinyl acetate rubber powder;15-20 parts of organobentonite, 2-3 parts of lignin chopped strand.
Wherein, zeolite powder is 90-110 mesh, and natural zeolite content is at least 50%.
The specific preparation method of above-mentioned decorative mortar, includes the following steps:
First, measure each component according to proportioning;
Second, sulphate aluminium cement and quartz sand stir evenly;
Zeolite powder, cellulose ether, rubber powder, bentonite and staple fiber are poured into batch mixer and stir, mix by third successively
It is even;
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.
1 comparative example of table and embodiment 1-3 reactants
Wherein, without addition zeolite powder and bentonite in comparative example, cellulose ether is hydroxypropyl methyl cellulose HPMC.It is short
The addition of fiber can prevent shrinkage cracking.
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 generates gelatinous mass, improves intensity.Cement alkalinity is slowly neutralized, final mortar pH value is reduced, is used
Mortar is contacted with acid phenolic board in the process can obtain better intensity.
Obtained properties result is detected according to upper table 2 as it can be seen that using pnenolic aldehyde foam board exterior wall external thermal insulation plastering sand
For starching relatively conventional decorative mortar, the adhesive strength of phenolic foam board and decorative mortar can be substantially improved.Adding zeolite powder can
Microdilatancy occurs and then resists the effect shunk, the especially bentonitic effect of coordinated improves easy property living, facilitates floating
Surface.The alkalinity that plastering connects mortar is effectively reduced, low alkali solidfied material can be made after mixing and stirring, performance is much better than existing smear
Facing sand is starched, and is enhanced the adhesive strength of decorative mortar and phenolic foam board, is illustrated that each group distribution ratio provided by the invention is reasonable.
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 (10)
1. a kind of pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar, it is characterised in that:It 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, rubber powder
25-30 parts, 15-20 parts of bentonite, 2-3 parts of staple fiber.
2. pnenolic aldehyde foam board exterior wall external thermal insulation decorative 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 decorative 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 decorative 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 decorative mortar as described in claim 1, which is characterized in that bentonite is organic
Bentonite.
6. pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar as described in claim 1, which is characterized in that staple fiber is wooden
Plain chopped strand.
7. pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar as described in claim 1, which is characterized in that decorative mortar and phenol
The bonding strength of aldehyde cystosepiment is 125Kpa-130Kpa.
8. pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar as described in claim 1, which is characterized in that quartz sand 60-
The drying quartz sand of 100 mesh.
9. pnenolic aldehyde foam board exterior wall external thermal insulation decorative 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, 28 parts of rubber powder, swelling
16 parts of soil, 3 parts of staple fiber.
10. a kind of preparation method of such as claim 1-9 any one of them pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortars,
It is characterised in that it includes following steps:
First, measure each component according to proportioning;
Second, sulphate aluminium cement and quartz sand stir evenly;
Zeolite powder, cellulose ether, rubber powder, bentonite and staple fiber are poured into batch mixer and stir, are uniformly mixed by third successively;
4th, packing and storing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810724723.4A CN108689667A (en) | 2018-07-04 | 2018-07-04 | A kind of pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810724723.4A CN108689667A (en) | 2018-07-04 | 2018-07-04 | A kind of pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108689667A true CN108689667A (en) | 2018-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810724723.4A Withdrawn CN108689667A (en) | 2018-07-04 | 2018-07-04 | A kind of pnenolic aldehyde foam board exterior wall external thermal insulation decorative mortar and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940444A (en) * | 2021-01-26 | 2021-06-11 | 杭州威晓科技有限公司 | Energy-saving environment-friendly building curtain wall and mounting method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557531A (en) * | 2010-12-11 | 2012-07-11 | 鞍钢房地产开发集团有限公司 | Dry-mixed surface mortar for external insulation of building exterior wall and preparation method thereof |
| 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 |
| 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 CN201810724723.4A patent/CN108689667A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557531A (en) * | 2010-12-11 | 2012-07-11 | 鞍钢房地产开发集团有限公司 | Dry-mixed surface mortar for external insulation of building exterior wall and preparation method thereof |
| 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 |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940444A (en) * | 2021-01-26 | 2021-06-11 | 杭州威晓科技有限公司 | Energy-saving environment-friendly building curtain wall and mounting method thereof |
| CN112940444B (en) * | 2021-01-26 | 2023-10-27 | 黄山锦绣建设工程有限公司 | Energy-saving environment-friendly building curtain wall and installation method thereof |
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Application publication date: 20181023 |
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