CN107777957A - A kind of expansible perlite heat-insulating mortar - Google Patents
A kind of expansible perlite heat-insulating mortar Download PDFInfo
- Publication number
- CN107777957A CN107777957A CN201610755274.0A CN201610755274A CN107777957A CN 107777957 A CN107777957 A CN 107777957A CN 201610755274 A CN201610755274 A CN 201610755274A CN 107777957 A CN107777957 A CN 107777957A
- Authority
- CN
- China
- Prior art keywords
- parts
- insulating mortar
- perlite
- heat
- polyphenyl
- 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
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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
- 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
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1033—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C04B28/04—Portland 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
Abstract
The invention belongs to building heat-insulating mortar technical field, is related to a kind of expansible perlite heat-insulating mortar.Expansible perlite heat-insulating mortar of the present invention, including be prepared by the raw material of following parts by weight：Expanded perlite（Unit weight：80‑90Kg/m3）30 40 parts, 15 25 parts of portland cement, 35 parts of polymer dispersion powder, 35 parts of organosilicon moisture repellent, 46 parts of waterproofing agent, polystyrene foam plastics（Granularity：0.5‑1mm）13 parts, 13 parts of polyphenyl acrylic emulsion, 0.05 0.1 parts of elastomer, 40 45 parts of water.The invention expansible perlite heat-insulating mortar has the advantages that high intensity, high tenacity and low water absorption；Preparation method of the present invention enhances the toughness of swelling perlite heat-insulating mortar using the raw material method of modifying of hydrophober modified expanded perlite and polyphenyl acrylic emulsion MPS foamed plastics simultaneously, reduces its water absorption rate.
Description
Technical field
The invention belongs to building heat-insulating mortar technical field, is related to a kind of expansible perlite heat-insulating mortar.
Background technology
Thermal insulation mortar is using various light materials as aggregate, using cement as gelating material, some property-modifying additives is admixed, through life
Production enterprise is stirred and a kind of manufactured premixing dry powder and mortar.Thermal insulation mortar because its have thermal property it is preferable, it is easy for construction,
The characteristics of low engineering cost, it has also become the critical function material of building energy saving field.Compared with organic insulation material, expanded pearlite
Rock thermal insulation mortar has the characteristics that non-ignitable, nontoxic and good endurance, is mainly used in construction industry, accounts for 70%.
Swelling perlite heat-insulating mortar is a kind of new industrial materials.It is with high-quality material from acidic volcanic glass rock stone, warp
Broken, drying, input high-temperature roasting furnace, what instantaneous expansion formed.The swelling perlite heat-insulating mortar master occurred in the market
There are waterglass swelling perlite heat-insulating mortar, cement expanded perlite mortar and gypsum swelling perlite heat-insulating mortar etc., this
A little mortar pliabilities are poor, fragility is big, poor water resistance, water absorption rate are high, and under construction because water suction reduces heat insulation effect and use
The time limit.Therefore, a kind of toughness height is developed, the expansible perlite heat-insulating mortar that water absorption rate is low, intensity is high has become when business
It is anxious.
The content of the invention
The problem of existing for prior art, it is an object of the invention to provide a kind of expansible pearlite insulation sand
Slurry.Expansible perlite heat-insulating mortar of the present invention has the advantages that high intensity, high tenacity and low water absorption；Preparation side of the invention
Method is simultaneously using the raw material modification side of hydrophober modified expanded perlite and polyphenyl acrylic emulsion MPS foamed plastics
Method enhances the toughness of swelling perlite heat-insulating mortar, reduces its water absorption rate.
In order to solve the above technical problems, the technical solution adopted by the present invention is.
A kind of expansible perlite heat-insulating mortar, including be prepared by the raw material of following parts by weight：Expanded pearlite
Rock（Unit weight：80-90Kg/m3）30-40 parts, portland cement 15-25 parts, polymer dispersion powder 3-5 parts, organosilicon moisture repellent 3-
5 parts, waterproofing agent 4-6 parts, polystyrene foam plastics（Granularity：0.5-1mm）1-3 parts, polyphenyl acrylic emulsion 1-3 parts, elastomer
0.05-0.1 parts, water 40-45 parts.
A preferred embodiment of the present invention, described expansible perlite heat-insulating mortar, including by following parts by weight
Raw material be prepared：Expanded perlite（Unit weight：80-90Kg/m3）35 parts, 20 parts of portland cement, polymer dispersion powder 4
Part, 4 parts of organosilicon moisture repellent, 5 parts of waterproofing agent, polystyrene foam plastics（Granularity：0.5-1mm）2 parts, 2 parts of polyphenyl acrylic emulsion,
0.08 part of elastomer, 40 parts of water.
Tensile strength >=280MPa of the elastomer；Modulus of elasticity >=3500MPa；Water capacity ＜ 0.4%.
The waterproofing agent is sodium methyl silicate.
A kind of preparation method of expansible perlite heat-insulating mortar, step are as follows：
（1）Hydrophober modified expanded perlite：Hydrophober and expanded perlite are weighed in parts by weight, and expanded perlite is put into
Soaked in hydrophobic agent solution, time 30-40min；Taking-up, which is put in drying baker, dries, 80-100 DEG C of drying temperature, drying time
0.5-1h, produce hydrophober modified expanded perlite；
（2）Polyphenyl acrylic emulsion MPS foamed plastics：Polystyrene foam plastics and polyphenyl third are weighed in parts by weight
Emulsion, both are put into kneading machine and is kneaded, speed of agitator 20-30r/min, mixing time 10-20min, to polyphenyl second
The surface of alkene foamed plastics is completely wetted, produces polyphenyl acrylic emulsion MPS foamed plastics；
（3）It is prepared by finished product：Surplus stock is weighed in parts by weight, to above-mentioned（2）Middle addition part of cement, stir to the breast of polyphenyl third
The surface of liquid MPS foamed plastics is completely capped；Expanded perlite and elastomer are sequentially added, is stirred；
Water, waterproofing agent, remaining cement are sequentially added, is stirred；Measure certain volume slurries be put into the mould of forcing press plus
It is molded, pressure 40-50MPa；Conserve 25-30 days, get product at room temperature after the demoulding.
Beneficial effects of the present invention.
（1）The present invention is modified using hydrophober to expanded perlite, makes the reduction of its water absorption rate, water resistance and insulation
Performance is improved.
（2）The present invention is modified using polyphenyl acrylic emulsion to polystyrene foam plastics, its surface is changed by hydrophobicity
For hydrophily, solve that inorganic coagulation material is nonwetting to polystyrene foam plastics and the low difficulty of adhesion strength between the two
Topic, while the addition of polystyrene foam plastics improves toughness.
Embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, still
It should be appreciated that these descriptions are simply further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
Embodiment 1.
Respectively by each component specified in table 1 below, hydrophober and expanded perlite are weighed in parts by weight, expansion is precious
Zhu Yan, which is put into hydrophobic agent solution, to be soaked, time 30-40min；Taking-up, which is put in drying baker, dries, 80-100 DEG C of drying temperature,
Drying time 0.5-1h, produce hydrophober modified expanded perlite；Polystyrene foam plastics and polyphenyl are weighed in parts by weight
Acrylic emulsion, both are put into kneading machine and is kneaded, speed of agitator 20-30r/min, mixing time 10-20min, to polyphenyl
The surface of vinylic foam is completely wetted, produces polyphenyl acrylic emulsion MPS foamed plastics；Scale in parts by weight
Surplus stock is taken, continues to add part of cement into kneading machine, is stirred to polyphenyl acrylic emulsion MPS foamed plastics
Surface is completely capped；Expanded perlite and elastomer are sequentially added, is stirred；Sequentially add water, waterproofing agent, residue
Cement, stir；The slurries for measuring certain volume are put into the mould of forcing press and are press-formed, pressure 40-50MPa；The demoulding
Conserve 25-30 days, get product at room temperature afterwards.Physical and mechanical property indexs inspection is carried out again.Test knot is listed in table 1
Fruit.
Embodiment 2.
The method that embodiment 1 is repeated by each component content specified in table 1 below, test result is listed in table 1.
Embodiment 3.
The method that embodiment 1 is repeated by each component content specified in table 1 below, test result is listed in table 1.
First, performance detection.
The present invention is according to GB20473-2006《Building heat-insulating mortar》Regulation is detected, and thermal conductivity factor is according to GB/
T10294-1988《Heat-insulating material thermal resistance and the measure Guarded hot plate about characteristic》Regulation measure；Compression strength according to
JG237《Concrete test die》Regulation test；Water absorption rate is according to GB/T17431.2-1998《Light-weight aggregate test method》Regulation
Measure.
1st, performance test results are carried out to expansible perlite heat-insulating mortar prepared by embodiment 1-3, as shown in table 1.
The expansible perlite heat-insulating mortar rationality index of table 1.
As shown in Table 1, the MPa of compression strength ＞ 0.9 of the invention, than the resistance to compression of common cement expanded perlite product
Intensity 0.5MPa is higher by 0.4MPa；Cracking amount of deflection >=2.4mm of the present invention, than the cracking of common cement expanded perlite product
Scratch 1mm and be higher by 1.4mm；The bearing load ＞ 0.15MPa of the present invention, lotus is born more than common cement expanded perlite product
Carry 0.11MPa；The fracture amount of deflection of the present invention is 15mm, and the cracking than common cement expanded perlite product is scratched 5.6mm and is higher by
9.4mm；Shock resistance of the present invention（100g）Split after 1 Secondary Shocks, 13 Secondary Shocks split broken, common cement expanded perlite
Product splits after 1 Secondary Shocks, dimidiation；Above performance indications illustrate that the cement that intensity of the present invention is high, Toughness Ratio is common is swollen
The toughness of swollen perlite products improves a lot.The water absorption rate of the present invention is ＞ 29%, less than common cement expanded perlite product
82.3%, and water absorption rate of the present invention reduce about 50%, illustrate the present invention water absorption rate it is low, water-tolerant, good heat insulating.This hair
Bright thermal conductivity factor≤0.071W (mK)-1Less than the W of thermal conductivity factor 0.08 of common cement expanded perlite product
(m·K)-1, illustrate that present invention conduction heat speed is slow, good heat insulating.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out
Modification or equivalent substitution, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (5)
- A kind of 1. swelling perlite heat-insulating mortar, it is characterised in that：Including being prepared by the raw material of following parts by weight：Expanded perlite（Unit weight：80-90Kg/m3）30-40 parts, portland cement 15-25 parts, polymer dispersion powder 3-5 parts, have Machine silicon hydrophober 3-5 parts, waterproofing agent 4-6 parts, polystyrene foam plastics（Granularity：0.5-1mm）1-3 parts, polyphenyl acrylic emulsion 1-3 Part, elastomer 0.05-0.1 parts, water 40-45 parts.
- 2. swelling perlite heat-insulating mortar according to claim 1, it is characterised in that：Including the original by following parts by weight Material is prepared：Expanded perlite（Unit weight：80-90Kg/m3）35 parts, 20 parts of portland cement, 4 parts of polymer dispersion powder, have 4 parts of machine silicon hydrophober, 5 parts of waterproofing agent, polystyrene foam plastics（Granularity：0.5-1mm）2 parts, 2 parts of polyphenyl acrylic emulsion, elasticity 0.08 part of body, 40 parts of water.
- 3. swelling perlite heat-insulating mortar according to claim 1, it is characterised in that：The tensile strength of the elastomer >= 280MPa；Modulus of elasticity >=3500MPa；Water capacity ＜ 0.4%.
- 4. swelling perlite heat-insulating mortar according to claim 1, it is characterised in that：The waterproofing agent is methane-siliconic acid Sodium.
- A kind of 5. preparation method of any swelling perlite heat-insulating mortar according to claim 1-4, it is characterised in that：Step It is rapid as follows：（1）Hydrophober modified expanded perlite：Hydrophober and expanded perlite are weighed in parts by weight, and expanded perlite is put into Soaked in hydrophobic agent solution, time 30-40min；Taking-up, which is put in drying baker, dries, 80-100 DEG C of drying temperature, drying time 0.5-1h, produce hydrophober modified expanded perlite；（2）Polyphenyl acrylic emulsion MPS foamed plastics：Polystyrene foam plastics and polyphenyl third are weighed in parts by weight Emulsion, both are put into kneading machine and is kneaded, speed of agitator 20-30r/min, mixing time 10-20min, to polyphenyl second The surface of alkene foamed plastics is completely wetted, produces polyphenyl acrylic emulsion MPS foamed plastics；（3）It is prepared by finished product：Surplus stock is weighed in parts by weight, to above-mentioned（2）Middle addition part of cement, stir to the breast of polyphenyl third The surface of liquid MPS foamed plastics is completely capped；Expanded perlite and elastomer are sequentially added, is stirred； Water, waterproofing agent, remaining cement are sequentially added, is stirred；Measure certain volume slurries be put into the mould of forcing press plus It is molded, pressure 40-50MPa；Conserve 25-30 days, get product at room temperature after the demoulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610755274.0A CN107777957A (en) | 2016-08-30 | 2016-08-30 | A kind of expansible perlite heat-insulating mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610755274.0A CN107777957A (en) | 2016-08-30 | 2016-08-30 | A kind of expansible perlite heat-insulating mortar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107777957A true CN107777957A (en) | 2018-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610755274.0A Pending CN107777957A (en) | 2016-08-30 | 2016-08-30 | A kind of expansible perlite heat-insulating mortar |
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| Country | Link |
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| CN (1) | CN107777957A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041031A (en) * | 2019-05-22 | 2019-07-23 | 中国十七冶集团有限公司 | A kind of heat preservation, sound insulation, fire resisting integration jet printing type mortar and preparation method thereof |
| CN115820000A (en) * | 2022-12-15 | 2023-03-21 | 南京市大道纳米新材料有限公司 | Perlite hydrophobic enhancement modification method, water-based heat-insulation paint and preparation method thereof |
-
2016
- 2016-08-30 CN CN201610755274.0A patent/CN107777957A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041031A (en) * | 2019-05-22 | 2019-07-23 | 中国十七冶集团有限公司 | A kind of heat preservation, sound insulation, fire resisting integration jet printing type mortar and preparation method thereof |
| CN115820000A (en) * | 2022-12-15 | 2023-03-21 | 南京市大道纳米新材料有限公司 | Perlite hydrophobic enhancement modification method, water-based heat-insulation paint and preparation method thereof |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180309 |
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| WD01 | Invention patent application deemed withdrawn after publication |