CN109776061A - A kind of high-strength light degree type exterior wall internal insulation gypsum and preparation method thereof - Google Patents
A kind of high-strength light degree type exterior wall internal insulation gypsum and preparation method thereof Download PDFInfo
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- CN109776061A CN109776061A CN201910266805.3A CN201910266805A CN109776061A CN 109776061 A CN109776061 A CN 109776061A CN 201910266805 A CN201910266805 A CN 201910266805A CN 109776061 A CN109776061 A CN 109776061A
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Abstract
The present invention relates to a kind of high-strength light degree type exterior wall internal insulation gypsum; the raw material of the exterior wall internal insulation gypsum is according to the mass fraction; including following components: 100 parts of building gypsum, 5~15 parts of cement, 40~60 parts of glass bead; 120~170 parts of water; 0.2~0.6 part of adhesive, 0.2~0.5 part of water-retaining agent, 0.3~0.9 part of water-reducing agent; 0.2~0.5 part of retarder, 0.4~1.2 part of polymer fiber.The present invention is using water requirement under the working consistency that debases the standard such as grain composition optimization, water-reducing agent on the whole, cement increases the multiple means External Wall inside holding gypsum such as hydrated product and retarder compounding and carries out enhancing modification, the high-strength light degree type exterior wall internal insulation gypsum made had both had excellent thermal insulation property, building operation energy consumption can be greatly reduced, while possessing higher intensity again.Solve the problems, such as strength problem and workability of the heat preservation gypsum on the basis of low-density good thermal insulation property.
Description
Technical field
The invention belongs to building thermal insulation material technical fields, are related to a kind of high-strength light degree type exterior wall internal insulation gypsum, more
It is related to preparation method.
Background technique
As energy saving building promotes and applies going deep into for work, external wall must take Insulation ability building energy conservation
Basic demand.Building exterior wall heat preserving is divided into external thermal insulation, inside holding, self-heat conserving, and external thermal insulation is relatively suitble to the area based on keeping the temperature, such as
Northern China；Inside holding is relatively suitble to the area based on heat-insulated, such as south China.
Exterior wall internal insulation mainly has two kinds of technological approaches of heat preservation plate material and heat preservation slurry at present.In heat preservation plate material, inorganic board
Material there are the problem of mainly to have its shape to handle increasingly increased anisotropic building bad adaptability, especially tiny position difficult, have
Then there is hidden fire-fighting danger in machine plate.Heat preservation slurry mainly uses various lightweight materials as aggregates at this stage, is gelling with cement
Material, admixes some modified additives, the heat preservation slurry of preparation；Using cement as cementitious material, not only production energy consumption is high, carbon row
High-volume big, there are easy hollowing, cracking, condensation hardening slow construction period longer equal shortcomings for product.
Exterior wall internal insulation gypsum is the stone with heat insulation function being formulated by gypsum and light-weight aggregate for main raw material(s)
Cream plastering material.Compared with cement base thermal insulating material, gypsum be it is a kind of can be recycled, the green building material that carrying capacity of environment is small, be one
Kind non-automatic incombustible material, and its micro-expansibility effectively avoids cracking hollowing.But general exterior wall internal insulation gypsum is for building
Exterior wall internal insulation, there are several critical issues: the 1. contradiction of exterior wall internal insulation gypsum intensity and density.In general intensity is got over
Height, density is bigger, so that thermal coefficient is bigger, thermal and insulating performance is poorer.2. the contradiction of heat insulation property and workability.Generally
For the more good then workability of heat insulation property it is poorer especially smear it is poorer.
Summary of the invention
In view of this, more providing it the purpose of the present invention is to provide a kind of high-strength light degree type exterior wall internal insulation gypsum
Preparation method.
In order to achieve the above objectives, the invention provides the following technical scheme:
1. the raw material of a kind of high-strength light degree type exterior wall internal insulation gypsum, the exterior wall internal insulation gypsum presses mass fraction
Meter, including following components:
100 parts of building gypsum, 5~15 parts of cement, 40~60 parts of glass bead, 120~170 parts of water, adhesive 0.2~
0.6 part, 0.2~0.5 part of water-retaining agent, 0.3~0.9 part of water-reducing agent, 0.2~0.5 part of retarder, polymer fiber 0.4~1.2
Part.
Further, the raw material of the exterior wall internal insulation gypsum according to the mass fraction, including following components:
100 parts of building gypsum, 10 parts of cement, 50 parts of glass bead, 150 parts of water, 0.5 part of adhesive, 0.45 part of water-retaining agent,
0.7 part of water-reducing agent, 0.2 part of retarder, 0.7 part of polymer fiber.
Further, the building gypsum particle size is 45 μm~145 μm.
Further, the cement is 42.5 grades of sulphate aluminium cements, and partial size is less than 45 μm.
Further, the building gypsum is 45 μm~80 μm: 80 μm~145 μm=40 by the quality accounting of particle size:
60。
Further, the cement is < 15 μm: 15 μm~45 μm=60:40 by the quality accounting of particle size.
Further, the glass bead particle size is 145 μm~250 μm, and the glass bead presses the matter of particle size
Amount accounting is 80 μm~180 μm: 180 μm~250 μm=16:9.
Further, the adhesive is vinyl co-polymer redispersable latex powder；The water-retaining agent is
Hydroxypropyl methyl cellulose ether；The water-reducing agent is sulfonated melamine based water reducer；The retarder is citric acid and gelatine
Protein 1:2 in mass ratio is mixed.
Further, it is 15 μm that the polymer fiber, which is diameter, and length is the polypropylene fibre of 3mm.
2. also providing a kind of preparation method of high-strength light degree type exterior wall internal insulation gypsum, all raw material is added according to the ratio
Water stirs evenly, and can obtain high-strength light degree type exterior wall internal insulation gypsum.
The raw material of the exterior wall internal insulation gypsum according to the mass fraction, including following components:
100 parts of building gypsum, 5~15 parts of cement, 40~60 parts of glass bead, 120~170 parts of water, adhesive 0.2~
0.6 part, 0.2~0.5 part of water-retaining agent, 0.3~0.9 part of water-reducing agent, 0.2~0.5 part of retarder, polymer fiber 0.4~1.2
Part.
Further, the building gypsum particle size is 45 μm~145 μm.
Further, the cement is 42.5 grades of sulphate aluminium cements, and partial size is less than 45 μm.
Further, the building gypsum is 45 μm~80 μm: 80 μm~145 μm=40 by the quality accounting of particle size:
60。
Further, the cement is < 15 μm: 15 μm~45 μm=60:40 by the quality accounting of particle size.
Further, the glass bead particle size is 145 μm~250 μm, and the glass bead presses the matter of particle size
Amount accounting is 80 μm~180 μm: 180 μm~250 μm=16:9.
Further, the adhesive is vinyl co-polymer redispersable latex powder；The water-retaining agent is
Hydroxypropyl methyl cellulose ether；The water-reducing agent is sulfonated melamine based water reducer；The retarder is citric acid and gelatine
Protein 1:2 in mass ratio is mixed.
Further, it is 15 μm that the polymer fiber, which is diameter, and length is the polypropylene fibre of 3mm.
The beneficial effects of the present invention are: the present invention is first is that gypsum is that one kind can using gypsum as major gelled material
It is recycled, the green building material that carrying capacity of environment is small, and is incombustible material；It solves cement and prepares the easy hollowing of heat preservation slurry, cracking, coagulate
Knot hardens slow construction period longer equal shortcomings, and cement is the glue that a kind of high resource consumption high-energy source consumes high carrying capacity of environment
Gel material.Second, the cementitious materials such as building gypsum, cement and glass bead light-weight aggregate are carried out particle on the whole by the present invention
Gradation Optimization realizes large or fine granule in mixture and orderly fills step by step, reaches dense packing state, to substantially reduce slurry
Water requirement under standard working consistency, it is highly beneficial to increase in intensity；The C-S-H that early-strength sulphate aluminium cement aquation generates
Gel plays skeleton filling effect, and closely knit hardenite structure reaches the modified purpose of enhancing.Sulfonation ultrapas water-reducing agent is further
Reduce slurry and reach water consumption required when standard working consistency, to improve hardenite compactness, plays significant enhancing and change
Property effect；Citric acid is compounded with two kinds of retarder 1:2 in mass ratio of bone glue protein, that is, has good retarding effect, simultaneously
Avoid the excessive loss of intensity；Polypropylene fibre can effectively improve the crack resistance of matrix.The present invention is using granular-grade on the whole
It debases the standard water requirement under working consistency with optimization, water-reducing agent etc., it is a variety of that cement increases hydrated product and retarder compounding etc.
Means External Wall inside holding gypsum carries out enhancing modification, and the exterior wall internal insulation gypsum made had both had excellent heat insulating ability
Can, building operation energy consumption can be greatly reduced, while possessing higher intensity again.Exterior wall internal insulation gypsum is solved in low-density
Strength problem and workability problem on the basis of good thermal insulation property.
Specific embodiment
A preferred embodiment of the present invention will be described in detail below.The experiment side of actual conditions is not specified in embodiment
Method, usually according to conventional conditions or according to the manufacturer's recommendations.
Embodiment 1
A kind of high-strength light degree type exterior wall internal insulation gypsum, by taking building gypsum 100kg used as an example, raw materials used and its matter
It measures as follows:
Wherein: above-mentioned building gypsum particle size is 45 μm~145 μm, and distribution of particles is in 45 μm~80 μm, 80 μm
The quality accounting in~145 μm of two sections is respectively 40:60；
Cement is 42.5 grades of sulphate aluminium cements, and partial size is less than 45 μm, and distribution of particles is at < 15 μm, 15 μm~45 μm two
The quality accounting in a section is respectively 60:40；
Glass bead particle size is 145 μm~250 μm, and distribution of particles is at 145 μm~180 μm, 180 μm~250 μm
The quality accounting in two sections is respectively 35:65；
The cementitious materials such as building gypsum, cement and glass bead light-weight aggregate are carried out grain composition on the whole by the present invention
Optimization, realizes large or fine granule in mixture and orderly fills step by step, reach dense packing state, is marking to substantially reduce slurry
Water requirement under quasi- working consistency, it is highly beneficial to increase in intensity.
Water uses ordinary tap water；
Adhesive is vinyl co-polymer redispersable latex powder；White powder, 0.2~2 μ of partial size
M, non-volatile content >=98%, tensile strength 5.6MPa.
Water-retaining agent is hydroxypropyl methyl cellulose ether (HPMC), white powder, partial size < 180 μm, 150,000 viscosity.
Water-reducing agent is powdered sulfonated melamine based water reducer.
Retarder is that citric acid is mixed with bone glue protein 1:2 in mass ratio.
Polymer fiber is that diameter is 15 μm, and length is the polypropylene fibre of 3mm.
Building gypsum material of the present invention is a kind of environmentally protective material that can be recycled, and carrying capacity of environment is
Zero,
Preparation method: all raw material is added water and stirred uniformly according to the ratio, high-strength light degree type exterior wall internal insulation can be obtained
Gypsum.
The gypsum that the exterior wall internal insulation can be kept the temperature with i.e. inner side of outer wall application.
Embodiment 2
A kind of high-strength light degree type exterior wall internal insulation gypsum, by taking building gypsum 100kg used as an example, raw materials used and its matter
It measures as follows:
The specification and preparation method of above-mentioned raw materials are same as Example 1.
Embodiment 3
A kind of high-strength light degree type exterior wall internal insulation gypsum, by taking building gypsum 100kg used as an example, raw materials used and its matter
It measures as follows:
The specification and preparation method of above-mentioned raw materials are same as Example 1.
Embodiment 4
A kind of high-strength light degree type exterior wall internal insulation gypsum, by taking building gypsum 100kg used as an example, raw materials used and its matter
It measures as follows:
The specification and preparation method of above-mentioned raw materials are same as Example 1.
Embodiment 5
A kind of high-strength light degree type exterior wall internal insulation gypsum, by taking building gypsum 100kg used as an example, raw materials used and its matter
It measures as follows:
The specification and preparation method of above-mentioned raw materials are same as Example 1.
Embodiment 6
A kind of high-strength light degree type exterior wall internal insulation gypsum, by taking building gypsum 100kg used as an example, raw materials used and its matter
It measures as follows:
The specification and preparation method of above-mentioned raw materials are same as Example 1.
In order to determine the performance of exterior wall internal insulation gypsum of the present invention, the product invention people that embodiment 1-6 is obtained carries out big
Experimental test is measured, the results are shown in Table 1.
1 embodiment 1-6 properties of product of table
As shown in Table 1, exterior wall internal insulation gypsum dry density of the invention and thermal coefficient are smaller, therefore heat insulation effect is incited somebody to action
To significantly improving, the operation energy consumption of building is greatly reduced, improves energy use efficiency；While and intensity with higher, and
Material combustion performance is non-ignitable (A grades).
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (10)
1. a kind of high-strength light degree type exterior wall internal insulation gypsum, which is characterized in that the raw material of the exterior wall internal insulation gypsum presses matter
Measure number meter, including following components:
100 parts of building gypsum, 5~15 parts of cement, 40~60 parts of glass bead, 120~170 parts of water, 0.2~0.6 part of adhesive,
0.2~0.5 part of water-retaining agent, 0.3~0.9 part of water-reducing agent, 0.2~0.5 part of retarder, 0.4~1.2 part of polymer fiber.
2. exterior wall internal insulation gypsum according to claim 1, which is characterized in that the raw material of the exterior wall internal insulation gypsum is pressed
Mass fraction meter, including following components:
100 parts of building gypsum, 10 parts of cement, 50 parts of glass bead, 150 parts of water, 0.5 part of adhesive, 0.45 part of water-retaining agent, diminishing
0.7 part of agent, 0.2 part of retarder, 0.7 part of polymer fiber.
3. exterior wall internal insulation gypsum according to claim 1, which is characterized in that the building gypsum particle size is 45 μm
~145 μm.
4. exterior wall internal insulation gypsum according to claim 1, which is characterized in that the cement is 42.5 grades of aluminium sulfate water
Mud, partial size is less than 45 μm.
5. exterior wall internal insulation gypsum according to claim 1, which is characterized in that the building gypsum presses the matter of particle size
Amount accounting is 45 μm~80 μm: 80 μm~145 μm=40:60.
6. exterior wall internal insulation gypsum according to claim 1, which is characterized in that the cement is accounted for by the quality of particle size
Than for < 15 μm: 15 μm~45 μm=60:40.
7. exterior wall internal insulation gypsum according to claim 1, which is characterized in that the glass bead particle size is 145 μ
M~250 μm, the glass bead are 80 μm~180 μm: 180 μm~250 μm=16:9 by the quality accounting of particle size.
8. exterior wall internal insulation gypsum according to claim 1, which is characterized in that the adhesive is vinyl acetate-second
Alkene co-polymer redispersable latex powder；The water-retaining agent is hydroxypropyl methyl cellulose ether；The water-reducing agent is sulfonation trimerization
Cyanamide based water reducer；The retarder is that citric acid is mixed with bone glue protein 1:2 in mass ratio.
9. exterior wall internal insulation gypsum according to claim 1, which is characterized in that the polymer fiber is that diameter is 15 μ
M, length are the polypropylene fibre of 3mm.
10. the preparation method of described in any item exterior wall internal insulation gypsum according to claim 1~9, which is characterized in that will own
Raw material add water and stir uniformly according to the ratio, can obtain high-strength light degree type exterior wall internal insulation gypsum.
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| CN110282945A (en) * | 2019-08-13 | 2019-09-27 | 吉林重通成飞新材料股份公司 | A kind of gypsum based composite, preparation method and plaster formulation part |
| CN110984436A (en) * | 2019-12-20 | 2020-04-10 | 深圳市奇信集团股份有限公司 | Partition board and preparation and installation method of building partition wall thereof |
| CN111039641A (en) * | 2020-01-15 | 2020-04-21 | 重庆建大建筑材料有限公司 | Low-shrinkage light gypsum material and preparation method thereof |
| CN111205055A (en) * | 2020-01-15 | 2020-05-29 | 重庆建大建筑材料有限公司 | Anti-flow on-hook spraying heat preservation gypsum for heat preservation in building outer wall |
| CN111233416A (en) * | 2020-01-15 | 2020-06-05 | 重庆建大建筑材料有限公司 | Anti-cracking gypsum-based light material |
| CN111233414A (en) * | 2020-01-15 | 2020-06-05 | 重庆建大建筑材料有限公司 | Water-resistant light gypsum material and preparation method thereof |
| WO2021104531A1 (en) * | 2019-12-27 | 2021-06-03 | 河南理工大学 | Composite reinforced gypsum material and method for preparation thereof |
| CN113354377A (en) * | 2021-05-25 | 2021-09-07 | 重庆大学 | Lightweight plastering gypsum prepared from mirabilite gypsum and preparation method thereof |
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| CN113354377A (en) * | 2021-05-25 | 2021-09-07 | 重庆大学 | Lightweight plastering gypsum prepared from mirabilite gypsum and preparation method thereof |
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