CN107555935A - High-strength durable type heat-insulating construction material and its preparation method and application - Google Patents
High-strength durable type heat-insulating construction material and its preparation method and application Download PDFInfo
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- CN107555935A CN107555935A CN201710781818.5A CN201710781818A CN107555935A CN 107555935 A CN107555935 A CN 107555935A CN 201710781818 A CN201710781818 A CN 201710781818A CN 107555935 A CN107555935 A CN 107555935A
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Abstract
The invention discloses high-strength durable type heat-insulating construction material and its preparation method and application.The inorganic heat preservation construction material includes following components：Magnesia, magnesium sulfate, magnesium chloride, talcum powder and super micro high efficiency additive for building material.After heat-insulating construction material of the present invention is applied to polystyrene thermal insulation plate surface; not only firmly wrap polyphenylene heat insulation slab; can also overall permeation to the inside of polyphenylene heat insulation slab; interpenetrated under high pressure effect; waterproof, air-locked hard frame of densification is formed after shaping, the polyphenylene heat insulation slab being included is protected, reduces the water absorption rate of polyphenylene heat insulation slab; the transmitance of air and vapor is effectively prevented, improves the ageing resistace of polyphenylene heat insulation slab.
Description
Technical field
The present invention relates to a kind of construction material, more particularly to a kind of high-strength durable type insulation for skin for invention
Construction material, application the invention further relates to the preparation method of the heat-insulating construction material and its under construction, belong to it is fire-retardant,
Age inhibiting building material field.
Background technology
Polystyrene thermal insulation plate is one of a kind of the most frequently used insulation material in building external thermal insulation, is that construction industry is conventional
High-quality insulative, insulation material, it is widely used in the insulation of wall thermal insulating, flat concrete roof and steel-structure roof, low temperature storage
Hide the moistureproof insulation such as ground, airfield runway, highway.
Polystyrene thermal insulation plate is the most light insulation material of equal volume quality, same in the world in like product
Area, the lower display of thickness test, its thermal conductivity factor is minimum, is very valuable thermal insulating material, doing carrier using it can be made into
Outstanding insulating product, but the defects of following serious be present as insulation material in polystyrene thermal insulation plate:
1st, it is inflammable.This is the fatal defects of polystyrene thermal insulation plate, and almost running into naked light will be lighted easily.China in Recent Years
Many high-rises cause huge economic damage because the fire incident that large area is triggered using polystyrene thermal insulation plate takes place frequently
Become estranged serious personal injury.
A large amount of fatal poison gases are discharged when the 2nd, burning.Traditional polystyrene thermal insulation plate can produce a large amount of poison gases in burning,
Smog caused by moment can also make one to suffocate, and this poison gas is fatal, directly jeopardizes the life security of resident.The fact that painful
Show, life casualty damage sequence is even more serious caused by such fire.Therefore, this material is limited already in developed country
System uses in minimum application field.
3rd, short life.The aging period of styrofoam is very short, 10-20 with regard to natural degradation, so, styrofoam is as external wall
Insulation material, compared with the service life of building in itself, its effective service life seriously mismatches therewith.
Although generally easily reaching fire-fighting requirements using inorganic heat insulation material, building body fire safety coefficient can also be protected
Barrier, still, the heat-insulating property of these inorganic heat insulation materials is but much less than organic insulation materials such as polystyrene thermal insulation plates.Generation
The best organic material of heat-insulating property is disabled in boundary, but the heat-insulating property of insulation material made of existing inorganic raw material is not again up to
To the standard for meeting country.Therefore, for polystyrene thermal insulation plate as inflammable, easy present in skin insulation material
The defects of aging, short life, it would be highly desirable to be improved.
The content of the invention
The technical problems to be solved by the invention are as skin insulation material institute for polystyrene thermal insulation plate
The defects of existing inflammable, easy to aging, short life, there is provided a kind of high-strength durable type heat-insulating construction material, the construction material have
Excellent fire-retardant, anti ageing property, the fire protecting performance of polystyrene thermal insulation plate can be effectively improved, extend its service life.
The technical problems to be solved by the invention are achieved through the following technical solutions：
A kind of high-strength durable type heat-insulating construction material, including following components：Magnesia, magnesium sulfate, talcum powder and ultra micro building materials are high
Imitate additive；
To realize superior technique effect, the parts by weight of each component are preferably：
Magnesia 60-90 parts, magnesium sulfate 5-20 parts, 1-5 part talcum powder, super micro high efficiency additive for building material 0.1-0.8 parts；
Enter one preferably, the parts by weight of each component are：
Magnesia 70-80 parts, magnesium sulfate 5-15 parts, 2-4 part talcum powder, super micro high efficiency additive for building material 0.2-0.6 parts；
Most preferably, the parts by weight of each component are：
75 parts of magnesia, 14.5 parts of magnesium sulfate, 3 parts of talcum powder, 0.5 part of super micro high efficiency additive for building material.
Heretofore described " super micro high efficiency additive for building material " is that Authorization Notice No. is CN1268574C, entitled
" super micro high efficiency additive for building material "（The patent No.：ZL200310113325.2）Described in " super micro high efficiency additive for building material ", bag
Include modified cellulose 40-60 parts by weight, powdered whiting 20-30 parts by weight, material 20-30 parts by weight and vegetable protein glue
2-8 parts by weight；Wherein, described modified cellulose be selected from methyl cellulose ether, hydroxyethyl ether cellulose, carboxymethyl cellulose,
Hydroxypropyl cellulose or their mixture；Described material be selected from silica, silicate, using silicate as mainly into
The mineral or their mixture divided.
In order to reach superior technique effect, the chlorine of certain dosage can also be added to described inorganic heat preservation construction material
Change magnesium；Wherein, the parts by weight of magnesium chloride are preferably 2-15 parts, more preferably 2-10 parts, most preferably 6 parts.
The molecular structure of magnesia has excellent stability and extraordinary flame resistance energy, can bear high temperature and can hinder
Temperature, even if under 1000~1700 DEG C of thermal extremes, any change will not also occur for its molecular structure, neither expand nor receive
Contracting;Magnesium sulfate belongs to acidic materials, has natural excellent flame retardancy, has the function of repelling flame, can directly reflect flame,
Make flame and function that temperature can not pass through;Magnesium chloride is also a kind of good fire retardant, in addition, magnesium chloride can make magnesia
Combination with magnesium sulfate is more fine and close, forms the hard frame of hard and compact, but magnesium chloride usually contains the crystallization of six molecules
Water, easy deliquescence, easily discharge and then formed with the cement phase separation on heat preserving exterior wall overly hard from material after water suction
Skeleton, the hard frame are easily ftractureed, come off, and the cement sand bed of heat preserving exterior wall can be caused to ftracture or take off from polyphenylene heat insulation slab
Fall, cause heat-insulation layer to damage；So dosage of the magnesium chloride in inorganic heat preservation construction material of the present invention must be suitable, it is in material
Dosage is excessive in material, and the cement sand bed of heat preserving exterior wall can be caused to ftracture or come off from polyphenylene heat insulation slab, and dosage is very few, insulation
The flame retardant effect of material can decrease.The present inventor is by largely testing discovery, the parts by weight of magnesium chloride in the material
When 2-15 parts, in particular 6 parts by weight, there is best effect.
Super micro high efficiency additive for building material is combined by a variety of organic and inorganic substances with stickiness, has excellent stick
Performance is tied, super micro high efficiency additive for building material promotes inorganic active materia magnesia, magnesium chloride and magnesium sulfate to accelerate compatible and growth,
Make magnesia, magnesium sulfate be combined with each other with magnesium chloride after together with form that quality is hard, compact lattice structure, the lattice
Structure is waterproof, airtight, can closely wrap up polystyrene thermal insulation plate, make polystyrene thermal insulation plate substantially with
The air in the external world, aqueous phase isolation, prevent the possibility for being corroded and aoxidizing substantially;In addition, construction material of the present invention is also with excellent
Permeance property, can it is deep enough, comprehensively penetrate into the capillary porosity inside polystyrene thermal insulation plate, with polystyrene heat-preservation
Plate has been accomplished, without interface cohesion, to have prevented the passage that polystyrene thermal insulation plate contacts with outside air, aqueous phase completely, significantly improved
The density and compression strength of polystyrene thermal insulation plate, the heat-insulating property of polystyrene thermal insulation plate can not only be greatly improved
And anti-flammability, moreover it is possible to significantly extend the service life of polystyrene thermal insulation plate, make the polystyrene thermal insulation plate on exterior wall basic
With the building same life-span.
Another technical problem to be solved by this invention is to provide one kind and prepares the high-strength durable type heat-preserving building material
The method of material；
Another technical problem to be solved by this invention is achieved through the following technical solutions：
A kind of method for preparing the high-strength durable type heat-insulating construction material, comprises the following steps：
（1）Each component is weighed by the weight；
（2）Magnesia, talcum powder and magnesium sulfate are well mixed, crushed, crosses 200-400 mesh sieves；It is efficient to add ultra micro building materials
Additive stirs, and adds water and mortar is made, produce.
Wherein, in order to reach optimal technique effect, step（2）It is middle to be well mixed magnesia, talcum powder and magnesium sulfate,
Crush, cross 200 mesh sieves.
Magnesium sulfate belongs to acidic materials, and under the adhesive effect of super micro high efficiency additive for building material, magnesium sulfate is tight with magnesia
Close combination, interpenetrate, ultrafine dust that finally can be by the particle macro of 200-400 mesh into 2000-4000 mesh is such micro-
Grain has very strong attachment and permeance property, and energy is deep enough, comprehensively penetrates into the pore of polystyrene thermal insulation plate, cuts
Broken the passage that polystyrene thermal insulation plate contacts with outside air, aqueous phase, greatly improves the density of polystyrene thermal insulation plate
And compression strength, finally effectively improve the heat-insulating property, anti-flammability and ageing resistace of polystyrene thermal insulation plate.
Present invention also offers the application process of fire-retardant, the age inhibiting construction material, including：
Heat-insulating construction material of the present invention is uniformly smeared or put on a suit of armour in the polystyrene thermal insulation plate surface of skin or use
Flush coater is sprayed to the surface of styrofoam, thickness 0.2-1cm, subsequent construction is carried out again after its drying.
Polystyrene thermal insulation plate after being handled using heat-insulating construction material of the present invention, its fire retardant performance are significantly carried
Rise, burnt 5 minutes on surface with 1000 DEG C of flame guns, no burning-point, the flames of anger, Non-carbonized phenomenon, it was demonstrated that built with present invention insulation
Build the polystyrene thermal insulation plate after material process excellent fire-retardant, fire protecting performance, solve polystyrene thermal insulation plate it is inflammable lack
Fall into.
Heat-insulating construction material of the present invention passes through treatment with micron, and body surface parcel ability adds more than ten times.Under high pressure effect
Interpenetrate, waterproof, air-locked skeleton of densification is formed after shaping, protects the polyphenylene heat insulation slab being included, then pass through
Macro material has blocked the fine capillary of warming plate, greatly reduces the water absorption rate of warming plate, effectively prevents air and water
The transmitance of steam, the chance of oxidation and the corrosion of polystyrene thermal insulation plate is alleviated, not only increase the guarantor of polyphenylene heat insulation slab
Warm nature energy, also greatly enhance the ageing resistance of polystyrene thermal insulation plate, the service life of polystyrene thermal insulation plate can be made
It is identical with building.
Polyphenylene heat insulation slab after being handled using heat-insulating construction material of the present invention has higher bending and compressive strength, higher
Also very excellent, the tool such as the adhesion strength of split tensile strength and wall, impervious, anti-chemical erosion, anti-carbonization and wearability
There is the features such as light weight, flameproof effect are good, intensity is high, easy for construction, short construction period, high insulating effect.
Embodiment
The invention will now be further described with reference to specific embodiments, thisIt is excellentPoint and feature will be with description and more
It is clear.But these embodiments are only exemplary, do not form any restrictions to the scope of the present invention.Those skilled in the art should
It should be appreciated that the details and form of technical solution of the present invention can be repaiied without departing from the spirit and scope of the invention
Change or replace, but these modifications and replacement are each fallen within protection scope of the present invention.
The preparation of the heat-insulating construction material of embodiment 1
（1）Each component is weighed by the weight（Unit：Kg）:Magnesia 75, magnesium sulfate 14.5, talcum powder 3, ultra micro building materials are efficient
Additive 0.5；
（2）Magnesia and magnesium sulfate are well mixed, crushed, crosses 200 mesh sieves；It is equal to add super micro high efficiency additive for building material stirring
It is even, add water and mortar is made, produce.
The preparation of the heat-insulating construction material of embodiment 2
（1）Each component is weighed by the weight（Unit：Kg）:Magnesia 60, magnesium sulfate 5, talcum powder 3, ultra micro building materials efficiently add
Add agent 0.1；
（2）Magnesia and magnesium sulfate are well mixed, crushed, crosses 400 mesh sieves；It is equal to add super micro high efficiency additive for building material stirring
It is even, add water and mortar is made, produce.
The preparation of the heat-insulating construction material of embodiment 3
（1）Each component is weighed by the weight（Unit：Kg）:Magnesia 90, magnesium sulfate 20, talcum powder 3, ultra micro building materials efficiently add
Add agent 0.8；
（2）Magnesia and magnesium sulfate are well mixed, crushed, crosses 200 mesh sieves；It is equal to add super micro high efficiency additive for building material stirring
It is even, add water and mortar is made, produce.
The preparation of the heat-insulating construction material of embodiment 4
（1）Each component is weighed by the weight（Unit：Kg）:Magnesia 70, magnesium sulfate 5, talcum powder 3, ultra micro building materials efficiently add
Add agent 0.2；
（2）Magnesia and magnesium sulfate are well mixed, crushed, crosses 200 mesh sieves；It is equal to add super micro high efficiency additive for building material stirring
It is even, add water and mortar is made, produce.
The preparation of the heat-insulating construction material of embodiment 5
（1）Each component is weighed by the weight（Unit：Kg）:Magnesia 80, magnesium sulfate 15, talcum powder 5, ultra micro building materials efficiently add
Add agent 0.6；
（2）Magnesia and magnesium sulfate are well mixed, crushed, crosses 300 mesh sieves；It is equal to add super micro high efficiency additive for building material stirring
It is even, add water and mortar is made, produce.
The preparation of the heat-insulating construction material of embodiment 6
（1）Each component is weighed by the weight（Unit：Kg）:Magnesia 75, magnesium sulfate 14.5, talcum powder 2, magnesium chloride 6, ultra micro
Building materials efficient additive 0.5；
（2）By magnesia, magnesium sulfate and magnesium chloride are well mixed, and are crushed, and cross 200 mesh sieves；Ultra micro building materials are added efficiently to add
Agent stirs, and adds water and mortar is made, produce.
The flammability test of 1 heat-insulating construction material of the present invention of test example
1st, material to be tested：Heat-insulating construction material prepared by embodiment 1-6.
2nd, test method and result
Heat-insulating construction material prepared by embodiment 1-6 is uniformly sprayed to the surface of polystyrene thermal insulation plate with flush coater,
Thickness is 0.8cm, is solidified after it and carries out lower continuous experiment again after thoroughly drying：
Test kiln is built into insulating brick, and flame-retardant layer wall smears the heat blocking layer of 2cm thickness in kiln, utilizes natural gas mounted point
Fire.And electroheat pair is added at furnace flame, temperature-sensitive table is installed outside stove.Butane gas flame gun flame temperature is 800-1000
DEG C, flame pipette tips distance is coated with the polystyrene thermal insulation plate surface 10cm of inorganic heat preservation construction material of the present invention, flame gun combustion
When burning 5 minutes, the polystyrene thermal insulation plate of heat-insulating construction material of the present invention is coated with without burning-point, the flames of anger, Non-carbonized phenomenon, property
Shape is without change.
The water absorption test of 2 construction material of the present invention of test example
1st, material to be tested：Construction material prepared by embodiment 1-6.
2nd, test method and result
Construction material prepared by embodiment 1-6 is uniformly sprayed to the surface of polystyrene thermal insulation plate, thickness with flush coater
For 0.6cm, solidified after it and carry out lower continuous experiment again after thoroughly drying：
The polystyrene thermal insulation plate that surface spraying has heat-insulating construction material of the present invention is completely soaked in clear water, soak time is
48 hours；Polystyrene thermal insulation plate is taken out from clear water after 48 hours, the moisture on its surface is drained completely, weighed.
Test result is as follows：The polystyrene thermal insulation plate weight that construction material of the present invention is coated with before immersion is 15.42kg;
The weight for the polystyrene thermal insulation plate that immersion is coated with construction material of the present invention after 48 hours is 15.44kg;Result of the test shows,
Polystyrene thermal insulation plate after being handled with construction material of the present invention has an extremely strong hydrophobicity, and water absorption rate is almost nil.
3 construction material of the present invention of test example improves the experiment of polystyrene thermal insulation plate service life
1st, material to be tested：Construction material prepared by embodiment 1-6.
2nd, test method and result
Heat-insulating construction material prepared by embodiment 1-6 is uniformly sprayed to the surface of polystyrene thermal insulation plate with flush coater,
Thickness is 0.6cm, is solidified after it and carries out anti-aging experiment again after thoroughly drying.
Anti-aging experiment is carried out using hydrothermal aging and the method for hot-air accelerated ageing.
Result of the test shows：Polystyrene thermal insulation plate after being handled with heat-insulating construction material of the present invention has excellent anti-aging
Performance, temperature sensitivity reduce, and resistance to elevated temperatures significantly improves；It can be obtained by aging empirical equation, it is 50% to take strength retention
As die of old age index when, by heat-insulating construction material of the present invention processing after polystyrene thermal insulation plate life prediction up to 70
Year.
Claims (10)
1. a kind of high-strength durable type heat-insulating construction material, it is characterised in that formed including following components：Magnesia, magnesium sulfate are sliding
Stone flour and super micro high efficiency additive for building material.
2. according to the heat-insulating construction material described in claim 1, it is characterised in that the parts by weight of each component are：Magnesia 60-90
Part, magnesium sulfate 5-20 parts, 1-5 part talcum powder, super micro high efficiency additive for building material 0.1-0.8 parts；Preferably, the parts by weight of each component
It is：Magnesia 70-80 parts, magnesium sulfate 5-15 parts, 2-4 part talcum powder, super micro high efficiency additive for building material 0.2-0.6 parts；More preferably
, the parts by weight of each component are：75 parts of magnesia, 14.5 parts of magnesium sulfate, 3 parts of talcum powder, super micro high efficiency additive for building material 0.5
Part.
3. according to the heat-insulating construction material described in claim 1, it is characterised in that：Also contain magnesium chloride.
4. according to the heat-insulating construction material described in claim 3, it is characterised in that：Parts by weight 2-15 parts of the magnesium chloride are excellent
Elect 2-10 parts, more preferably 6 parts as.
5. according to the heat-insulating construction material described in claim 1 or 2, it is characterised in that：The super micro high efficiency additive for building material bag
Include modified cellulose 40-60 parts by weight, powdered whiting 20-30 parts by weight, material 20-30 parts by weight and vegetable protein glue
2-8 parts by weight；Wherein, described modified cellulose be selected from methyl cellulose ether, hydroxyethyl ether cellulose, carboxymethyl cellulose,
Hydroxypropyl cellulose or their mixture；Described material be selected from silica, silicate, using silicate as mainly into
The mineral or their mixture divided.
A kind of 6. method for preparing heat-insulating construction material described in any one of claim 1 or 2, it is characterised in that including following
Step：
（1）Each component is weighed by the weight；
（2）Magnesia, talcum powder and magnesium sulfate are well mixed, crushed, crosses 200-400 mesh sieves；It is efficient to add ultra micro building materials
Additive stirs, and adds water and mortar is made, produce.
7. in accordance with the method for claim 6, it is characterised in that：Step（2）It is middle to be well mixed magnesia and magnesium sulfate, powder
It is broken, cross 200 mesh sieves.
8. the answering in polystyrene thermal insulation plate fire resistance is improved of heat-insulating construction material described in claim 1-4 any one
With.
9. the answering in polystyrene thermal insulation plate ageing resistace is improved of heat-insulating construction material described in claim 1-4 any one
With.
10. according to the application described in claim 8 or 9, it is characterised in that including：The heat-insulating construction material is uniformly applied
Smear or be sprayed on polystyrene thermal insulation plate surface, thickness 0.2-1.0cm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033757A (en) * | 2017-12-07 | 2018-05-15 | 遂宁市明川零贰零科技有限公司 | High-strength durable type heat-insulating construction material and its preparation method and application |
-
2017
- 2017-09-02 CN CN201710781818.5A patent/CN107555935A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033757A (en) * | 2017-12-07 | 2018-05-15 | 遂宁市明川零贰零科技有限公司 | High-strength durable type heat-insulating construction material and its preparation method and application |
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Application publication date: 20180109 |