CN109879654A - Insulation board feedstock composition and insulation board - Google Patents
Insulation board feedstock composition and insulation board Download PDFInfo
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- CN109879654A CN109879654A CN201910001705.8A CN201910001705A CN109879654A CN 109879654 A CN109879654 A CN 109879654A CN 201910001705 A CN201910001705 A CN 201910001705A CN 109879654 A CN109879654 A CN 109879654A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/18—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 mixtures of the silica-lime type
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- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a kind of insulation board feedstock composition and insulation boards, the component and weight proportion of insulation board feedstock composition are as follows: 60~80 parts of siliceous object, 17~28 parts of binder, 5~8 parts of granules of polystyrene and 20-60 parts of water, wherein, the binder includes calcium oxide and/or calcium hydroxide.Insulation board tensile strength prepared by the present invention is high, bending deformation is small, (tensile strength 0.2MPa or more, compression strength 0.3MPa or more not easily to fall off after stickup, bending deformation 4mm or more), with good thermal insulation property (thermal coefficient at 25 DEG C 0.055W/ (mK) below), the volume water absorption rate of product is 5.5% hereinafter, fire-protection rating is non-ignitable (being not less than A2 grades).
Description
Technical field
The present invention relates to the field of building materials, in particular to a kind of insulation board feedstock composition and insulation board.
Background technique
Thermal insulation material used in exterior-wall heat insulation is broadly divided into inorganic heat insulation material and organic insulation material two major classes at present, but
The shortcomings that generally existing energy conservation of these materials cannot take into account with fire prevention.The resistance to heat differential of organic material, easy firing, and released in burning
Amplification quantity heat generates a large amount of poison gas, can not only accelerate big fire spread but also be easy to cause trapped person and rescue personnel
Injures and deaths.Once meet fire will burn rapidly, and easily generate drip melt the case where, accelerate or sprawling.Inorganic material then exists anti-
Insulating layer caused by tensile strength is not high integrally falls off, and thereby results in the accident of personnel, financial losses.
There are two types of the insulation boards of Polystyrene in currently available technology, and one is be used as to connect using foamed phenolic resin
Continuous phase mixture and expanded polystyrene particle as dispersed phase mix, using cutting again after heating, pressurization, foaming, solidification
It forms, this kind of plate is wanted according in DG/TJ08-2212-2016 " thermosetting modified polyphenyl plate heat preserving system application technology regulation "
It asks, density requirements are 35~55kg/m3, thermal coefficient requires to be less than 0.039W/ (mK), but its flammability can only achieve B
Grade (fire retardant)；Another insulation board passes through mixing using inorganic coagulation material, graphite granules of polystyrene and multiple additives
Stirring fills the techniques such as mould extrusion forming, natural curing or steam curing, the insulation board through being cut into.According to " inorganic modified not
Fire insulation board exterior wall heat-preserving system application technology standard " its density requirements be less than 170kg/m3, thermal coefficient is less than 0.052W/
(mK), combustibility reaches A2 grades, but such plate brittleness is very big, and specification is less than 1200mm × 600mm, otherwise holds
Easy fracture, according to standard requirements, the tensile strength of vertical surface only needs to be greater than 0.10MPa, and intensity requirement is not high.
Summary of the invention
The technical problem to be solved by the present invention is to prevent fires to overcome insulation board tensile strength in the prior art not high enough
The high defect of rank deficient, provide a kind of tensile strength is high, bending deformation is small, paste after (tensile strength 0.2MPa not easily to fall off
Above, compression strength 0.3MPa or more, bending deformation 4mm or more), with good thermal insulation property, (thermal coefficient is at 25 DEG C
0.055W/ (mK) is below), the volume water absorption rate of product is 5.5% hereinafter, fire-protection rating is the guarantor of non-ignitable (being not less than A2 grades)
Warm plate.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of insulation board feedstock composition, component and weight proportion are as follows: 60~80 parts of siliceous object, binder 17~28
Part, 5~8 parts of granules of polystyrene and 20-60 parts of water, wherein the binder includes calcium oxide and/or calcium hydroxide.It is siliceous
Object and binder can allow insulation board to have higher intensity and toughness, be embodied in tensile strength 0.2MPa or more, resistance to compression
Intensity 0.3MPa or more, bending deformation 4mm or more.Granules of polystyrene can make insulation board have good thermal insulation property, tool
Body shows as thermal coefficient, and 0.055W/ (mK) is below at 25 DEG C.Siliceous object, binder and granules of polystyrene three match
Cooperation is embodied in volume water absorption rate and is existed with insulation board can be allowed to have lower water absorption rate and higher fire-protection rating
5.5% hereinafter, fire-protection rating is not less than A2 grades.
Preferably, the insulation board feedstock composition further includes additive.The additive include water-reducing agent, waterproofing agent,
One of redispersable latex powder, cellulose ether, graphite and foaming agent are a variety of.Additive can make the performance of insulation board into
One step is promoted, and in one or more embodiments, adding a certain amount of water-reducing agent and cellulose ether can be such that bending deformation reaches
6mm or more.
Preferably, the additive includes water-reducing agent and cellulose ether, according to parts by weight, the water-reducing agent, the fibre
Tieing up the sum of weight of plain ether and the granules of polystyrene is A, and the sum of the siliceous object and the weight of the binder are B, B:A
For 93:7 to 91:9.Weight ratio by screening preferred inorganic matter and organic matter is 93:7 to 91:9, can make insulation board
Performance is further promoted, and especially when B:A is 92:8, compression strength reaches 0.35MPa or more, and tensile strength reaches
0.23MPa or more, bending deformation reach 7.11mm or more, show excellent performance.
Preferably, the weight fraction ratio of the siliceous object and the binder is 8:2 to 7:3.When siliceous object is glued with described
When the weight fraction ratio for tying agent is 8:2 to 7:3, it is able to ascend the comprehensive performance of insulation board, keeps various aspects index more balanced excellent
Change.Especially when the weight fraction ratio of siliceous object and the binder is 7:3, compression strength reaches 0.34MPa or more, tension
Intensity reaches 0.24MPa or more, and bending deformation reaches 6.56mm or more, and volume water absorption rate reaches 5.12% hereinafter, comprehensive performance
It is excellent.
Preferably, the siliceous object include active micro silicon powder, SILICA FUME, flyash, slag micropowder, silica flour, kaolin,
One of bentonite, waterglass and diatomite are a variety of.It, can be with calcium oxide as long as being capable of providing in conventional siliceous object
And/or the element silicon of calcium hydroxide reaction, it can be adopted by the present invention.
Preferably, the granules of polystyrene is also the graphite granules of polystyrene containing graphite.The materials such as graphite add
Enter, the mixture presetting period can be made to be gradually shortened, reduce mixture mobility, main function be promoted bending property, enhancing at
Product compression strength and bend resistance intensity.Meanwhile reducing thermal coefficient enhancing heat insulation effect.
Preferably, in the insulation board feedstock composition, the granules of polystyrene with " remove the water and the polyphenyl second
The weight ratio of raw material other than alkene particle " is 5.25:94.75,6.25:93.74 or 7.25:92.75；
Preferably, the dosage of the water-reducing agent be 1~2 part, preferably 1~1.5 part, more preferably 1.4 parts, 1.45 parts,
Or 1.5 parts；
Preferably, the dosage of the cellulose ether be 1~5 part, preferably 2~4 parts, more preferably 2 parts, 3 parts or 4 parts.
Preferably, the dosage of the siliceous object is 70~80 parts；
Preferably, the dosage of the binder is 18~28 parts；
Preferably, the dosage of the granules of polystyrene is 7~8 parts；
Preferably, the dosage of the water is 20~30 parts.
Preferably, the dosage of the siliceous object is 70~75 parts；
Preferably, the dosage of the binder is 18~19 parts；
Preferably, the dosage of the granules of polystyrene is 7~7.5 parts；
Preferably, the dosage of the water is 25~30 parts.
Preferably, the dosage of the siliceous object is 72.8 parts, 73.6 parts or 74.4 parts；
Preferably, the dosage of the binder is 18.2 parts, 18.4 parts or 18.6 parts；
Preferably, the dosage of the granules of polystyrene is 7.25 parts；
Preferably, the dosage of the water is 29 parts.
Preferably, the insulation board feedstock composition includes the component of following parts by weight: 70~80 parts of the siliceous object,
The calcium oxide and/or 17~19 parts of calcium hydroxide, 5~8 parts of the granules of polystyrene, 20~30 parts of the water, the fibre
Tie up 1~1.5 part of 2~4 parts of plain ether and the water-reducing agent.
A kind of insulation board, the raw material of the insulation board are above-mentioned insulation board feedstock composition, and the insulation board passes through following
Mode I or mode II is obtained:
Mode I: in mold, the insulation board feedstock composition after premixing being pressurizeed, heating, curing molding；
Mode II: in mold, after first pressurizeing the insulation board feedstock composition after premixing, keep pressure, then heating,
Curing molding.
Preferably, in mode I or mode II, the operation of the premixing carries out in the steps below:, will at 10-30 DEG C
Granules of polystyrene after foaming is uniformly mixed with the surplus material of the feedstock composition；
Preferably, in mode I or mode II, the pressure after the pressurization is 0.3MPa-235MPa；Preferably, after pressurization
Pressure be 0.3MPa-5MPa.
Preferably, in mode I or mode II, when the heating, the set temperature of heating device is 100-150 DEG C.It is preferred that
Ground, the set temperature of heating device are 110-130 DEG C.
Preferably, the granules of polystyrene after the foaming is made by following step: at 100-120 DEG C described in heating
Granules of polystyrene, make its swelling volume increase to get；
Preferably, in mode I or mode II, the heating time of heating device is 35 minutes or more.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that: insulation board tensile strength prepared by the present invention is high, bending deformation is small, pastes
(tensile strength 0.2MPa or more, compression strength 0.3MPa or more, bending deformation 4mm or more) not easily to fall off afterwards, with good
Thermal insulation property (thermal coefficient at 25 DEG C 0.055W/ (mK) below), the volume water absorption rate of product is 5.5% hereinafter, fire prevention
Grade is non-ignitable (being not less than A2 grades).
Detailed description of the invention
Fig. 1 is the fabrication processing schematic diagram of the insulation board of 1-5 of the embodiment of the present invention.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.In the following examples, the experimental methods for specific conditions are not specified, according to conventional methods and conditions, or according to quotient
The selection of product specification.
The material that each embodiment and comparative example of the present invention can be used is described as follows:
SILICA FUME: 1250 mesh (also known as silicon ash) are purchased from the sharp industry development Co., Ltd of Shanghai Wei Te
Silica flour: 600 mesh (also known as silicon powder) are purchased from Huzhou Hua Tian micro mist factory
Cement: 525# celebrates Industrial Co., Ltd. purchased from upper Taiwan Strait Exchange Association
Flyash: C class high calcium ash is purchased from Shanghai City commercial fly ashes Products Co., Ltd
Sodium metasilicate: also known as waterglass is purchased from Yicheng Jing Rui new material Co., Ltd
Prodan: it is purchased from Yicheng Jing Rui new material Co., Ltd
Water-reducing agent: HF efficient retarding and water reducing agent is purchased from Shanghai Dong great Chemical Co., Ltd.
Redispersable latex powder: it is purchased from Guangdong Longhu Technology Shares Co., Ltd.
Cellulose ether: it is purchased from Ou Jin chemical industry
Reinforcing fiber: short glass fiber is purchased from Ou Jin chemical industry
Graphite: it is purchased from Liaoyang prosperity graphite product Co., Ltd
Calcium oxide: also known as quick lime is purchased from Taicang east metallurgy lime products factory
Foaming agent: carbonate or calcium carbonate are purchased from Guangzhou river salt chemical engineering Co., Ltd
Hydrophober: organosilicon moisture repellent is purchased from Shanghai Xian Bang Chemical Co., Ltd.
Light calcined magnesia: recasting is purchased from the heavy chemical industry in Shandong nine
Epsom salt: it is purchased from the heavy chemical industry in Shandong nine
Granules of polystyrene: it is purchased from Wuxi Xingda New Foam Plastic Materials Co., Ltd.
The feedstock composition and dosage of the insulation board of embodiment 1-5 and comparative example 1-4 see the table below 1.
Table 1
Note: in table 1, the dosage of granules of polystyrene, cellulose ether and water-reducing agent that A refers to, SILICA FUME that B refers to, oxygen
Change the dosage of calcium；C refers to the dosage of calcium oxide, and D refers to the dosage of SILICA FUME.Data in table 1 are all divided by 10 up to number
Value, wherein every portion represents 10Kg, table 1 is only specific embodiment, and those skilled in the art can fit according to the actual situation
When the weight value for selecting each number to represent.
The preparation method of the insulation board of embodiment 1-5 and comparative example 1-4 is as follows.
Firstly, increasing granules of polystyrene swelling volume by heating, obtaining the granules of polystyrene of one step foaming.It is logical
Setting steam pressure is crossed, makes its density that corresponding variation occur, to reach required density requirements.Steam pressure is set as
0.2MPa, temperature set 100 DEG C, and the time is set as 30 seconds, pressure maintaining 10 seconds, depressurize 3 seconds.
Then, water, SILICA FUME, calcium oxide, cellulose ether and water-reducing agent are mixed evenly at 10-30 DEG C and (are stirred
Mix the time adjusts accordingly according to temperature change, and blender revolving speed is set as 300 revs/min), it is stirred into its whole
For premixing cementitious material.
Then, the granules of polystyrene of one step foaming is added in a mixing bowl, is put into premixing gel material after starting blender
Material is mixed, and sufficiently mixes it uniformly.By multiple repetition test, speed of agitator need to be set in 100 revs/min,
Stirring 5 minutes, revolving speed is too fast or mixing time is too long can be such that granules of polystyrene shrinks, deformation.It separately can be according to customer demand
Bulk density adjusts polystyrene material bulk density be added.
Again by (mold vertical height in mixture (granules of polystyrene containing one step foaming) the input mold after stirring
Can be adjusted under pressurized state, the height until reaching setting, 1mm heavy sheet glass paper is padded in mold, demoulded convenient for the later period), due to
Certain proportion contraction can be generated after material heating pressurization, is found after test of many times, for product thickness 5cm, level-sensing device
Height need to be adjusted to 6-9cm, shrinkage rates 10-45%.Feedstock composition internal pressure maintains 0.3MPa or more.And it is
Guarantee to avoid non-uniform phenomenon from generating in mixture input mold process, the ratio that transmission speed should be set in 1 minute 1m is most
It is good.
Before mold enters flattening bench, oil temperature machine temperature is set as to carry out flattening bench preheating between 100-150 DEG C.Work as temperature
Mold is pushed by degree after reaching setting value, allows its natural cooling depanning after pressurization moldings in 35 minutes or more.In temperature-pressure process
In, granules of polystyrene carries out second time of foaming in a mold, so that compactness further increases, tensile strength is also improved.
Finally, carrying out fog room maintenance to the product after depanning, fog room needs dry, ventilation, and curing time is generally in 5-
10 days or so, depending on temperature, humidity.
Effect example
Performance detection is carried out for sample made from above-described embodiment 1-5 and comparative example 1-4.Examination criteria is as follows: according to
GB/T 5486-2008 " inorganic hard insulating product test method " tests compression strength, according to GB/T 29906-2013 " mould
Mould exterior insulation system for polyphenyl plate thin plastering exterior wall material " test perpendicular to plate face tensile strength, " built according to GB 8624-2012
Build material and classification of combustion properties of building materials and products " test combustibility rank, according to " the insulation molded polystyrene of GB/T 10801.1
Foamed plastics " test bending deformation, according to GB/T 1034-2008 " measurement of plastic ink absorption " test volume water absorption rate.Detection
As a result 2 be see the table below.
Table 2
In conjunction with the data in Tables 1 and 2, it can be concluded that, the parts by weight of the siliceous object in comparative example 1 have been more than 80 parts, knot
Fruit tensile strength is lower than 0.2MPa, and volume water absorption rate is higher than 6.7%.The parts by weight of siliceous object in comparative example 2 less than 60 parts,
As a result thermal coefficient is higher than 0.055W/ (mK) at 25 DEG C.The parts by weight of granules of polystyrene in comparative example 3 are less than 5
Part, as a result thermal coefficient is higher than 0.055W/ (mK) at 25 DEG C.The parts by weight of granules of polystyrene in comparative example 4 are super
8 parts are crossed, as a result fire-protection rating is B grades.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of insulation board feedstock composition, component and weight proportion are as follows: 60~80 parts of siliceous object, 17~28 parts of binder,
5~8 parts and water 20-60 parts of granules of polystyrene, wherein the binder includes calcium oxide and/or calcium hydroxide.
2. as described in claim 1 containing the feedstock composition of polystyrene, which is characterized in that the insulation board feedstock composition
It further include additive；The additive includes water-reducing agent, waterproofing agent, redispersable latex powder, cellulose ether, graphite and foaming agent
One of or it is a variety of；
Preferably, the additive includes water-reducing agent and cellulose ether, according to parts by weight, the water-reducing agent, the cellulose
The sum of weight of ether and the granules of polystyrene is A, and the sum of the siliceous object and the weight of the binder are B, and B:A is
93:7 to 91:9；
And/or the weight fraction ratio of the siliceous object and the binder is 8:2 to 7:3；
And/or the siliceous object includes active micro silicon powder, SILICA FUME, slag micropowder, flyash, silica flour, kaolin, swelling
One of soil, waterglass and diatomite are a variety of；
And/or the granules of polystyrene is also the graphite granules of polystyrene containing graphite.
3. insulation board feedstock composition as claimed in claim 2, which is characterized in that in the insulation board feedstock composition, institute
State granules of polystyrene and " raw material in addition to the water and the granules of polystyrene " weight ratio be 5.25:94.75,
6.25:93.74 or 7.25:92.75；
And/or the dosage of the water-reducing agent be 1~2 part, preferably 1~1.5 part, more preferably 1.4 parts, 1.45 parts or 1.5
Part；
And/or the dosage of the cellulose ether be 1~5 part, preferably 2~4 parts, more preferably 2 parts, 3 parts or 4 parts.
4. insulation board feedstock composition as described in claim 1, which is characterized in that the dosage of the siliceous object is 70~80
Part；
And/or the dosage of the binder is 18~28 parts；
And/or the dosage of the granules of polystyrene is 7~8 parts；
And/or the dosage of the water is 20~30 parts.
5. insulation board feedstock composition as claimed in claim 4, which is characterized in that the dosage of the siliceous object is 70~75
Part；
And/or the dosage of the binder is 18~19 parts；
And/or the dosage of the granules of polystyrene is 7~7.5 parts；
And/or the dosage of the water is 25~30 parts.
6. insulation board feedstock composition as claimed in claim 5, which is characterized in that the dosage of the siliceous object be 72.8 parts,
73.6 parts or 74.4 parts；
And/or the dosage of the binder is 18.2 parts, 18.4 parts or 18.6 parts；
And/or the dosage of the granules of polystyrene is 7.25 parts；
And/or the dosage of the water is 29 parts.
7. insulation board feedstock composition as claimed in claim 2, which is characterized in that the feedstock composition includes following weight
The component of number: 70~80 parts of the siliceous object, the calcium oxide and/or 17~19 parts of calcium hydroxide, the polystyrene
5~8 parts of grain, 20~30 parts of the water, 2~4 parts of the cellulose ether and 1~1.5 part of the water-reducing agent.
8. a kind of insulation board, the raw material of the insulation board is insulation board feedstock composition as described in any one of claims 1 to 7,
The insulation board is obtained by following manner I or mode II:
Mode I: in mold, the insulation board feedstock composition after premixing being pressurizeed, heating, curing molding；
Mode II: in mold, after first pressurizeing the insulation board feedstock composition after premixing, keep pressure, then heating, solidification
Molding.
9. insulation board as claimed in claim 8, which is characterized in that in mode I or mode II, the operation of the premixing is pressed
It states step progress: at normal temperature, the surplus material of granules of polystyrene and the insulation board feedstock composition after foaming being mixed
It closes uniform；
And/or in mode I or mode II, the pressure after the pressurization is 0.3MPa-235MPa, it is preferable that the pressure after pressurization
For 0.3MPa-5MPa.
10. insulation board as claimed in claim 8, which is characterized in that in mode I or mode II, when the heating, heating device
Set temperature be 100-150 DEG C, it is preferable that the set temperature of heating device be 110-130 DEG C.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910001705.8A CN109879654B (en) | 2019-01-02 | 2019-01-02 | Insulation board raw material composition and insulation board |
| PCT/CN2019/077654 WO2020140327A1 (en) | 2019-01-02 | 2019-03-11 | Heat insulation plate raw material composition, heat insulation plate, and production process for heat insulation plate |
| KR1020217024406A KR102696180B1 (en) | 2019-01-02 | 2019-03-11 | Insulating plate raw material composition, insulating plate and manufacturing process thereof |
| JP2021538850A JP7254184B2 (en) | 2019-01-02 | 2019-03-11 | Insulation plate raw material composition, insulation plate and manufacturing process thereof |
| EP19907772.8A EP3907204A4 (en) | 2019-01-02 | 2019-03-11 | Heat insulation plate raw material composition, heat insulation plate, and production process for heat insulation plate |
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| CN201910001705.8A CN109879654B (en) | 2019-01-02 | 2019-01-02 | Insulation board raw material composition and insulation board |
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| CN111285657A (en) * | 2020-02-10 | 2020-06-16 | 上海圣奎塑业有限公司 | Thermal insulation wall material and manufacturing process thereof |
| CN111808380A (en) * | 2020-07-21 | 2020-10-23 | 太仓幕阳节能科技有限公司 | Preparation process and formula of special insulation board for cold chain vehicle |
| CN112010625A (en) * | 2020-09-10 | 2020-12-01 | 上海圣奎塑业有限公司 | Fireproof heat-insulating material and preparation process thereof |
| CN113072348A (en) * | 2020-01-03 | 2021-07-06 | 上海圣奎塑业有限公司 | Particle phase reinforced insulation board and manufacturing process thereof |
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| CN113307574A (en) * | 2021-06-21 | 2021-08-27 | 安徽亿优新材料科技股份有限公司 | Fireproof heat-insulation board and preparation method thereof |
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