CN109370077A - A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate - Google Patents
A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate Download PDFInfo
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- CN109370077A CN109370077A CN201811091468.0A CN201811091468A CN109370077A CN 109370077 A CN109370077 A CN 109370077A CN 201811091468 A CN201811091468 A CN 201811091468A CN 109370077 A CN109370077 A CN 109370077A
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- cement
- inorganic slurry
- thermosetting composite
- plate
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- 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
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The present invention provides a kind of inorganic slurries of thermosetting composite polyphenylene plate, according to parts by weight, including following component: 80-100 parts of portland cement, 0.1-10 parts of reinforcing agent, 0-10 parts of sagging inhibitor, 0-3 parts of thickener, 0-5 parts of interface adhesive, 0-3 parts of water-reducing agent, 0-1 parts of surfactant, 0-2 parts of retarder and 50-70 parts of water；The reinforcing agent includes one or more of high alumina cement, calcium sulphoaluminate, calcium formate.The present invention also provides the preparation methods of above-mentioned inorganic slurry.Not only thermal coefficient can control 0.050 hereinafter, A grades non-ignitable the plate of inorganic slurry production provided by the invention, and timber intensity is high, good with base course wall blending, security risk is not present, cost is relatively low, use easy to spread.
Description
Technical field
The invention belongs to polyphenylene heat insulation slab technical field of modification, and in particular to a kind of inorganic slurry of thermosetting composite polyphenylene plate
And preparation method thereof.
Background technique
Polystyrene thermal insulation plate is a kind of most common insulation board, but its fire protecting performance is poor, and thermosetting property is also poor.It is existing
Inorganic material is commonly used in technology to be modified polyphenylene heat insulation slab to enhance its fire protecting performance.Thermosetting composite polyphenylene plate manufacture craft
It is divided into three kinds, osmosis type, molding type and casting type.Wherein osmosis type is raw with the advantage that light, thermal coefficient is low, production capacity is big
The main production of composite polyphenylene plate is consolidated in heat production.
Osmosis type production technology mainly uses magnesium cement slurry at present, based on magnesium chloride or magnesium sulfate and magnesia
Raw material is wanted, its advantage is that intensity is high, and intensity rises fastly.But magnesium cement poor water resistance, volume stability is bad, and its with it is common
The matrix blending of cement casting is bad, and there are security risks；Due to combining water, thermal coefficient containing a large amount of in magnesium cement
It is unable to control below 0.050.Need to seek a kind of safely and effectively slurry to replace magnesium cement slurry.
Although existing patent CN201610343595 and CN201610844226 proposes to suck cement using negative pressure gathers
The method of styrene insulation board, but only water-reducing agent has simply been cooperated to increase its mobility, inorganic modified slurry is not considered
The problem of interface blending of material and polystyrene, timber intensity can not be promoted, and cause security risk, and water ash to later period use
When bigger, easily there is Qinshui phenomenon in cement, is difficult to operate in actual production.
Summary of the invention
In view of this, that the present invention provides a kind of intensity is high, thermal coefficient is low, with a kind of good heat of base course wall blending
Gu inorganic slurry of composite polyphenylene plate and preparation method thereof.
First aspect present invention provides a kind of inorganic slurry of thermosetting composite polyphenylene plate, according to parts by weight, including with
Lower component: 80-100 parts of portland cement, 0.1-10 parts of reinforcing agent, 0-10 parts of sagging inhibitor, 0-3 parts of thickener, interfacial adhesion
0-5 parts of agent, 0-3 parts of water-reducing agent, 0-1 parts of surfactant, 0-2 parts of retarder, 50-70 parts of water；The reinforcing agent includes high alumina
One or more of cement, calcium sulphoaluminate, calcium formate.
Inorganic slurry provided by the invention is avoided using the magnesium cement with matrix wall blending difference, selection and base course wall
The relatively good portland cement of blending, however only with often intensity is bad when portland cement, present invention collocation high alumina
Cement, calcium sulphoaluminate or calcium formate are complementary in portland cement performance and mutually promote as reinforcing agent, the energy such as calcium sulphoaluminate
The early strength of portland cement is enough effectively improved, and (main component is sulphur aluminic acid for portland cement and sulphate aluminium cement
Calcium) etc. collocation after effectively prevent sulphate aluminium cement later period powder phenomenon-tion appearance.Add sagging inhibitor, thickener, boundary
The auxiliary agents such as face binder, surfactant, water-reducing agent can improve the interface blending of inorganic slurry and polystyrene, improve
The intensity of plate, and enhance the adhesion strength with base course wall.
Preferably, the portland cement is PO32.5 class g cement, PO42.5 class g cement, PO52.5 class g cement, ultra-fine water
One or more of mud, white portland cement.
More preferred, the portland cement is the mixture of PO42.5 class g cement and superfine cement, and described
The weight ratio of PO42.5 class g cement and superfine cement is 1:1.Since the grain graininess of PO42.5 class g cement and superfine cement forms
Difference has obtained the portland cement of most suitable granularmetric composition by specifically matching, realize strength of cement into
One step improves.
Preferably, the thickener is one or both of cellulose, rubber powder.In the formula of the inorganic slurry at least
Include one of sagging inhibitor and thickener.
More preferred, the thickener is cellulose.Research finds that cellulose is added to inorganic slurry provided by the invention
It can also play the role of anti-settling in Material system, can be obviously improved the suspendability of material in inorganic slurry system, also, by
It is hydrophobic in polystyrene surface, and cellulose can play water retention to promote the cementation of polystyrene and cement, it is right
The cementation of binder is played the role of auxiliary and is promoted.
More preferred, the interface adhesive is one or both of VAE lotion, acrylic emulsion.The interface
Binder is used cooperatively with cellulose, and cementation can be obviously improved compared to when interface adhesive is used alone.
Preferably, the sagging inhibitor is flyash or silicon ash.The flyash or silicon ash can be effective as sagging inhibitor
Prevent material in inorganic slurry from settling, the state for making inorganic slurry keep material evenly dispersed.The addition of the sagging inhibitor makes
Through forming micropore inside the modified polyphenylene heat insulation slab of inorganic slurry, the thermally conductive system of modified polyphenyl insulation board can be substantially reduced
Number.
Preferably, the surfactant is one or both of silane coupling agent KH570, silane coupling A 171.
The surfactant can improve interface compatibility, play further facilitation to the cementation of binder.
The retarder is one or more of sodium citrate, sodium gluconate, boric acid.
Second aspect of the present invention provides the preparation method of the inorganic slurry of above-mentioned thermosetting composite polyphenylene plate, and step includes:
Thickener is dispersed in water, portland cement, reinforcing agent, sagging inhibitor is added, is dispersed with stirring, add water-reducing agent, stir
It mixes uniform to material dispersion.
Preferably, using dispersion machine carry out described in be dispersed with stirring step, dispersing speed is 400-600 revs/min.
Third aspect present invention provides a kind of thermosetting composite polyphenylene plate, using polystyrene thermal insulation plate as substrate, using true
Pneumatics power penetrates into above-mentioned inorganic slurry inside substrate to obtain thermosetting composite polyphenylene plate.
Compared with prior art, the beneficial effects of the present invention are: inorganic slurry material dispersion provided by the invention is uniform, no
It will appear Qinshui phenomenon, not only thermal coefficient can control 0.050 the plate produced using inorganic slurry provided by the invention
Hereinafter, A grades non-ignitable, plate water-tolerant, water absorption rate is only 3% or so, and itself and base course wall category same material, blending
It is good, security risk is not present, early strength is high and strength stability is good, and powder phenomenon-tion is not present in the later period, and cost is compared with magnesium cement slurry
Material is lower, has excellent application prospect.
Specific embodiment
To facilitate the understanding of the present invention, present invention work more comprehensively, is meticulously described below in conjunction with embodiment, but this hair
Bright protection scope is not limited to embodiment in detail below.
Unless otherwise defined, all technical terms used hereinafter and the normally understood meaning of those skilled in the art
It is identical.Technical term used herein is intended merely to the purpose of description specific embodiment, is not intended to the limitation present invention
Protection scope.
Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention, can pass through
Market is commercially available or can be prepared by existing method.
Embodiment 1
A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate is present embodiments provided, step includes: by 2 parts
Redispersable latex powder is scattered in 60 parts of water, and 100 parts of PO42.5 class g cements, 5 parts of high alumina cements, 10 parts are added after being uniformly dispersed
Flyash is dispersed by high-speed stirred, and dispersing speed is controlled at 400-600 revs/min, is added 0.5 part of polycarboxylic acids and is subtracted
Aqua obtains inorganic slurry until all materials are uniformly dispersed.
Above-mentioned inorganic slurry is used for modified polystyrene insulation board, process is as follows: using polystyrene thermal insulation plate as substrate,
Substrate is placed on novel inorganic modified polystyrene equipment for producing heat preservation plate (patent ZL 2,017 20495897.9), using negative
Pressure suction makes inorganic slurry uniformly penetrating into inside polystyrene plates, and after felicity condition conserves, it is compound poly- to obtain thermosetting
Benzene plate.
By inorganic modified polystyrene thermal insulation plate referring to JG/T 536-2017 " thermosetting composite polystyrene foam heat-insulating board "
Professional standard is tested for the property, and performance indexes is met the requirements of the standard, and specific test result is as shown in table 1.
1 embodiment of table, the 1 inorganic modified polystyrene thermal insulation plate the performance test results table of gained
| Detection project | Unit | Test result |
| Density | kg/m3 | 130 |
| Thermal coefficient | w/(m·k) | 0.046 |
| Perpendicular to the tensile strength of plate face | Mpa | 0.12 |
| Compression strength | Mpa | 0.15 |
| Drying shrinkage | % | 0.3 |
| Volume water absorption rate | % | 3.3 |
| Flexural strength | Mpa | 0.2 |
| Coefficient of softing | __ | 0.8 |
| Combustibility | __ | A (A2) grade |
Embodiment 2
A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate is present embodiments provided, step includes: by 0.2
Part hydroxypropyl methyl cellulose and 1 part of redispersable latex powder are scattered in 65 parts of water, and 100 parts of PO52.5 are added after being uniformly dispersed
Class g cement, 5 parts of sulphate aluminium cements, 6 parts of silicon ashes, 0.3 part of silane coupling agent KH570 are dispersed by high-speed stirred, are dispersed
Machine revolving speed is preferably controlled at 400-600 revs/min, adds 1 part of polycarboxylate water-reducer, until all materials are uniformly dispersed, obtains inorganic slurry
Material.
Above-mentioned inorganic slurry is used for modified polystyrene insulation board, process and embodiment 1 are consistent.
By inorganic modified polystyrene thermal insulation plate referring to JG/T 536-2017 " thermosetting composite polystyrene foam heat-insulating board "
Professional standard is tested for the property, and performance indexes is met the requirements of the standard, and specific test result is as shown in table 2.
2 embodiment of table, the 2 inorganic modified polystyrene thermal insulation plate the performance test results table of gained
| Detection project | Unit | Test result |
| Density | kg/m3 | 127 |
| Thermal coefficient | w/(m·k) | 0.048 |
| Perpendicular to the tensile strength of plate face | Mpa | 0.15 |
| Compression strength | Mpa | 0.16 |
| Drying shrinkage | % | 0.3 |
| Volume water absorption rate | % | 3.2 |
| Flexural strength | Mpa | 0.25 |
| Coefficient of softing | __ | 0.8 |
| Combustibility | __ | A (A2) grade |
Embodiment 3
A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate is present embodiments provided, step includes: by 0.3
Part hydroxypropyl methyl cellulose is scattered in 65 parts of water, be added after being uniformly dispersed 50 parts of PO42.5 class g cements, 50 parts of superfine cements,
0.2 part of calcium formate, 5 parts of silicon ashes, 0.3 part of silane coupling agent KH570 and 3 parts of VAE lotions are dispersed by high-speed stirred, are dispersed
Machine revolving speed is preferably controlled at 400-600 revs/min, adds 1.5 parts of polycarboxylate water-reducers, until all materials are uniformly dispersed, is obtained inorganic
Slurry.
Above-mentioned inorganic slurry is used for modified polystyrene insulation board, process and embodiment 1 are consistent.
By inorganic modified polystyrene thermal insulation plate referring to JG/T 536-2017 " thermosetting composite polystyrene foam heat-insulating board "
Professional standard is tested for the property, and performance indexes is met the requirements of the standard, and specific test result is as shown in table 3.
3 embodiment of table, the 3 inorganic modified polystyrene thermal insulation plate the performance test results table of gained
| Detection project | Unit | Test result |
| Density | kg/m3 | 135 |
| Thermal coefficient | w/(m·k) | 0.049 |
| Perpendicular to the tensile strength of plate face | Mpa | 0.16 |
| Compression strength | Mpa | 0.18 |
| Drying shrinkage | % | 0.4 |
| Volume water absorption rate | % | 3.4 |
| Flexural strength | Mpa | 0.28 |
| Coefficient of softing | __ | 0.8 |
| Combustibility | __ | A (A2) grade |
Embodiment 4
A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate is present embodiments provided, step includes: by 0.5
Part hydroxypropyl methyl cellulose is scattered in 50 parts of water, be added after being uniformly dispersed 40 parts of PO42.5 class g cements, 40 parts of superfine cements,
10 parts of sulphate aluminium cements, 1 part of silicon ash are dispersed by high-speed stirred, and dispersing speed is preferably controlled at 400-600 revs/min,
It adds 3 parts of polycarboxylate water-reducers and obtains inorganic slurry until all materials are uniformly dispersed.
Above-mentioned inorganic slurry is used for modified polystyrene insulation board, process and embodiment 3 are consistent, and gained is inorganic modified poly-
Styrene insulation board performance indexes and embodiment 3 are almost the same.
Embodiment 5
A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate is present embodiments provided, step includes: by 3 parts
Redispersable latex powder is scattered in 70 parts of water, and 85 parts of PO42.5 class g cements, 8 parts of sulphate aluminium cements, 8 are added after being uniformly dispersed
Part silicon ash is dispersed by high-speed stirred, and dispersing speed is preferably controlled at 400-600 revs/min, until all materials are uniformly dispersed,
Obtain inorganic slurry.
Above-mentioned inorganic slurry is used for modified polystyrene insulation board, process and embodiment 1 are consistent, and gained is inorganic modified poly-
Styrene insulation board performance indexes and embodiment 1 are almost the same.
Embodiment 6
A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate is present embodiments provided, step includes: by 95
Part PO52.5 class g cement, 9 parts of sulphate aluminium cements, 3 parts of flyash, 1.5 parts of acrylic emulsions are dispersed by high-speed stirred
In 55 parts of water, dispersing speed is preferably controlled at 400-600 revs/min, adds 2 parts of polycarboxylate water-reducers, stirring to property
Material is uniformly dispersed, and obtains inorganic slurry.
Above-mentioned inorganic slurry is used for modified polystyrene insulation board, process and embodiment 1 are consistent, and gained is inorganic modified poly-
Styrene insulation board performance indexes and embodiment 1 are almost the same.
Embodiment 7
A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate is present embodiments provided, step includes: by 95
Part white portland cement, 5 parts of calcium sulphoaluminates, 5 parts of flyash, 2 part of 801 rubber powder are scattered in 65 parts of water by high-speed stirred
In, dispersing speed is preferably controlled at 400-600 revs/min, adds 1.5 parts of polycarboxylate water-reducers, and stirring to all materials disperses
Uniformly, inorganic slurry is obtained.
Above-mentioned inorganic slurry is used for modified polystyrene insulation board, process and embodiment 3 are consistent, and gained is inorganic modified poly-
Styrene insulation board performance indexes and embodiment 3 are almost the same.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of inorganic slurry of thermosetting composite polyphenylene plate, it is characterised in that: according to parts by weight include following component: silicate
80-100 parts of cement, 0.1-10 parts of reinforcing agent, 0-10 parts of sagging inhibitor, 0-3 parts of thickener, 0-5 parts of interface adhesive, water-reducing agent
0-3 parts, 0-1 parts of surfactant, 0-2 parts of retarder, 50-70 parts of water；The reinforcing agent include high alumina cement, calcium sulphoaluminate,
One or more of calcium formate.
2. the inorganic slurry of thermosetting composite polyphenylene plate as described in claim 1, it is characterised in that: the portland cement is
One or more of PO32.5 class g cement, PO42.5 class g cement, PO52.5 class g cement, superfine cement, white portland cement.
3. the inorganic slurry of thermosetting composite polyphenylene plate as claimed in claim 2, it is characterised in that: the portland cement is preferred
For the mixture of PO42.5 class g cement and superfine cement, and the weight ratio of the PO42.5 class g cement and superfine cement is 1:1.
4. the inorganic slurry of the thermosetting composite polyphenylene plate as described in claims 1 to 3 any one claim, feature exist
In: the thickener is one or both of cellulose, rubber powder.
5. the inorganic slurry of thermosetting composite polyphenylene plate as claimed in claim 4, it is characterised in that: the thickener is preferably fibre
Dimension element.
6. the inorganic slurry of thermosetting composite polyphenylene plate as claimed in claim 4, it is characterised in that: the interface adhesive is
One or both of VAE lotion, acrylic emulsion.
7. the inorganic slurry of thermosetting composite polyphenylene plate as described in claim 1, it is characterised in that: the sagging inhibitor is fine coal
Ash or silicon ash.
8. the inorganic slurry of thermosetting composite polyphenylene plate as described in claim 1, it is characterised in that: the surfactant is silicon
One or both of alkane coupling agent KH570, silane coupling A 171；The retarder is sodium citrate, sodium gluconate, boron
One or more of acid.
9. the preparation method of the inorganic slurry of thermosetting composite polyphenylene plate as described in claim 1, which is characterized in that the method
Include: to be dispersed in water thickener, add portland cement, reinforcing agent, sagging inhibitor, revolving speed is 400-600 revs/min of item
It is dispersed with stirring under part, adds water-reducing agent, stirred uniform to material dispersion.
10. a kind of thermosetting composite polyphenylene plate, it is characterised in that: using polystyrene thermal insulation plate as substrate, make to weigh using vacuum pressure
Benefit require 1 described in inorganic slurry penetrate into inside substrate and obtain thermosetting composite polyphenylene plate.
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| CN201811091468.0A CN109370077A (en) | 2018-09-19 | 2018-09-19 | A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate |
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| CN201811091468.0A CN109370077A (en) | 2018-09-19 | 2018-09-19 | A kind of inorganic slurry and preparation method thereof of thermosetting composite polyphenylene plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138138A (en) * | 2020-01-08 | 2020-05-12 | 江苏阿路美格新材料股份有限公司 | Heat-insulation and decoration integrated plate, heat-insulation plate, outer-layer decoration plate and preparation method |
| CN114671647A (en) * | 2022-02-23 | 2022-06-28 | 安徽三棵树涂料有限公司 | Composite polystyrene board and preparation method thereof |
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| CN114671647A (en) * | 2022-02-23 | 2022-06-28 | 安徽三棵树涂料有限公司 | Composite polystyrene board and preparation method thereof |
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Application publication date: 20190222 |