CN108341652A - A kind of pearlite heat-insulation plate and preparation method thereof - Google Patents
A kind of pearlite heat-insulation plate and preparation method thereof Download PDFInfo
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- CN108341652A CN108341652A CN201810120086.XA CN201810120086A CN108341652A CN 108341652 A CN108341652 A CN 108341652A CN 201810120086 A CN201810120086 A CN 201810120086A CN 108341652 A CN108341652 A CN 108341652A
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- 238000009413 insulation Methods 0.000 title claims abstract description 55
- 229910001562 pearlite Inorganic materials 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 235000019362 perlite Nutrition 0.000 claims abstract description 51
- 239000010451 perlite Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910001868 water Inorganic materials 0.000 claims abstract description 26
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 22
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 18
- 239000011734 sodium Substances 0.000 claims abstract description 16
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 16
- -1 silicane sodium alkoxide Chemical class 0.000 claims abstract description 14
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 13
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 12
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 12
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 12
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 12
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 claims abstract description 12
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract description 12
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 12
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 11
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical class C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims abstract description 10
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011780 sodium chloride Substances 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 9
- 235000019394 potassium persulphate Nutrition 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000010792 warming Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 5
- 238000000748 compression moulding Methods 0.000 abstract description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 8
- 206010013786 Dry skin Diseases 0.000 description 5
- 239000012774 insulation material Substances 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 241000206761 Bacillariophyta Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical compound CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
- C04B20/06—Expanding clay, perlite, vermiculite or like granular materials
- C04B20/068—Selection of ingredients added before or during the thermal treatment, e.g. expansion promoting agents or particle-coating materials
-
- 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
- C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
Abstract
The invention discloses a kind of pearlite heat-insulation plate and preparation method thereof, raw material includes：Modified expanded perlite, kaolin, cement, plant ash, diatomite, trimethyl silicane sodium alkoxide, epoxychloropropane, divinylbenzene, ethyl orthosilicate, N, N ＇ methylene-bisacrylamides, calcium sulfate, sodium chloroacetate, sodium chloride, sodium metasilicate and water；Preparation method includes：Modified expanded perlite, kaolin, cement, plant ash, diatomite are uniformly mixed and obtain mixture A；Surplus stock is uniformly mixed, water is added, stirs to get solution B；Solution B is added in mixture A, compression moulding in mold is poured into after stirring evenly, pearlite heat-insulation plate idiosome is obtained, then dry by dry for the first time, second of drying and third time successively, obtains pearlite heat-insulation plate.Pearlite heat-insulation plate good heat insulating provided by the invention, compression strength are high, cracky, durability be not strong.
Description
Technical field
The present invention relates to thermal insulation board manufacture fields more particularly to a kind of pearlite heat-insulation plate and preparation method thereof.
Background technology
Today's society, developed country all unprecedentedly pay attention to power saving, the current unit construction area heating energy in China
Consumption is equivalent to 3-4 times of developed country similar in weather conditions, and China is the deficienter country of an energy, therefore rationally profit
With the energy, it is the task of paramount importance that Chinese society develops to improve energy utilization rate, and skin building enclosure power-saving technology
It improves, the update of thermal insulation material has extremely important meaning to the reduction of society and building energy consumption.
The wall thermal insulating energy-saving material applied in China's construction market is broadly divided into organic and inorganic two major classes.Organic heat-insulating
The thermal coefficients such as material such as polystyrene block, extruded polystyrene board, spraying polyurethane, phenolic resin foamed board are small, and heat insulation effect is good
It is good, it is widely used in building thermal-insulation energy-saving field.But organic insulation material easy firing, once fire, which occurs, to be accelerated
Propagation of flame, and there are a large amount of toxic gases to be discharged.In addition, organic insulation material is not ageing-resistant, deformation coefficient is big, stability and peace
Full property is poor, with being unable to reach the insulation construction same service life in building.
Inorganic heat insulation material expanded perlite is by perlite mine through being crushed, being sieved into ore in sand form, under the high temperature conditions volume
It expands rapidly.Since expanded perlite is light, porous, non-ignitable, nontoxic, chemical stability is good, and low cost, as green
Color, environmental protection, energy-saving material have been widely used in building thermal-insulation energy-saving engineering.In addition, expanded perlite also has sound-absorbing, prevents
The excellent performances such as shake, radiation protection, are with a wide range of applications.But expanded perlite thermal-nsulation plate generally existing currently on the market
The defects of compression strength is small, broken, durability is poor, these problems are all urgently to be resolved hurrily.
Invention content
Technical problems based on background technology, the present invention propose a kind of pearlite heat-insulation plate and preparation method thereof,
Pearlite heat-insulation plate good heat insulating provided by the invention, compression strength are high, durability is strong.
The present invention provides a kind of pearlite heat-insulation plate, raw material includes by weight：Modified expanded perlite 50-60
Part, 10-15 parts of kaolin, 10-15 parts of cement, 5-8 parts of plant ash, 5-10 parts of diatomite, 1-3 parts of trimethyl silicane sodium alkoxide, epoxy
2-5 parts of chloropropane, 3-5 parts of divinylbenzene, 5-8 parts of ethyl orthosilicate, N, N ＇ -1-1.5 parts of methylene-bisacrylamide, sulphur
23-30 parts of sour calcium 0.3-0.6 parts, 1-2 parts of sodium chloroacetate, 0.7-1.3 parts of sodium chloride, 8-15 parts of sodium metasilicate and water.
Preferably, the raw material of modified expanded perlite includes by weight：90-100 parts of perlite, dodecyl benzene sulfonic acid
0.5-0.8 parts of sodium, 0.6-0.9 parts of potassium peroxydisulfate, 10-13 parts of water.
Preferably, the preparation method of modified expanded perlite includes the following steps：
Step 1：Neopelex, potassium peroxydisulfate are added to the water, stirred evenly, modifying agent is obtained；
Step 2：The modifying agent obtained in step 1 is uniformly sprayed on perlite, after standing 1-2 hours, is heated up for the first time
To 200-300 DEG C, heat preservation maintains 30-40 minutes, is warming up to 1100-1200 DEG C for the second time, heat preservation maintains 7-10 seconds, is modified
Fine perlite.
Preferably, in the preparation method step 2 of modified expanded perlite, for the first time heating speed be 30-40 DEG C/it is small
When
Preferably, in the preparation method step 2 of modified expanded perlite, the speed of second heating is 130-140 DEG C/it is small
When.
The present invention also provides the preparation methods of this kind of pearlite heat-insulation plate, include the following steps：
S1, by modified expanded perlite, kaolin, cement, plant ash, diatomite be uniformly mixed obtain mixture A；
S2, by trimethyl silicane sodium alkoxide, epoxychloropropane, divinylbenzene, ethyl orthosilicate, N, N ＇-methylene bisacrylamide acyl
Amine, calcium sulfate, sodium chloroacetate, sodium chloride, sodium metasilicate are uniformly mixed, and water is added, and are stirred 30-40 minutes, are obtained solution B；
S3, the solution B obtained in S2 is added in the mixture A obtained in S1, pours into mold and is pressed into after stirring evenly
Type obtains pearlite heat-insulation plate idiosome；
S4, the pearlite heat-insulation plate idiosome obtained in S3 is passed through to drying for the first time successively, is dry for the second time and dry for the third time,
Obtain pearlite heat-insulation plate.
Preferably, the temperature of the first time drying in S4 is 35-50 DEG C, and drying time is 4-6 hours.
Preferably, the temperature of second of drying in S4 is 130-140 DEG C, and drying time is 25-30 minutes.
Preferably, the temperature of the third time drying in S4 is 65-75 DEG C, and drying time is 2-3 hours.
Preferably, the temperature that water is added in S2 is 40-50 DEG C.
It is excellent that pearlite heat-insulation plate provided by the present invention has that thermal coefficient is low, intensity is high, hydrophobicity is good, durability is strong etc.
Point, while the fire protecting performance for the A1 grades not having with organic heat-insulating plate also, installation is convenient, is suitable for external wall
Heat-insulation system can meet the use demand of existing roofing, wall heat preservation system.
Present invention optimizes the formula of pearlite heat-insulation plate and preparation processes, and thermal insulation material is made to ensure that resistance to compression, anti-folding are strong
There is lower thermal coefficient, to ensure that pearlite insulation plank has good heat-insulating property on the basis of degree.The present invention
A kind of method that expansion is modified to perlite is additionally provided, middle first expanded to perlite is different from the prior art and changes again
Property operation, modified and expansion is combined together by this method, can make changing for its while ensureing perlite heat-proof quality
Property from surface be deep into pore interior, reduce its water absorption rate, and improve the compression strength of expanded perlite, it is broken to reduce it
Rate.The present invention uses stage drying technique, the parameters such as control drying temperature, time, heating rate that can further increase pearl
The properties of rock thermal insulation board.
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
The present invention proposes a kind of pearlite heat-insulation plate, and raw material includes by weight：53 parts of modified expanded perlite, kaolin
12 parts, 11 parts of cement, 7 parts of plant ash, 7 parts of diatomite, 2.1 parts of trimethyl silicane sodium alkoxide, 3.5 parts of epoxychloropropane, divinyl
3.8 parts of benzene, 6.7 parts of ethyl orthosilicate, N, N ＇ -1.2 parts of methylene-bisacrylamide, 0.43 part of calcium sulfate, sodium chloroacetate 1.6
Part, 1.0 parts of sodium chloride, 13 parts of sodium metasilicate and 28 parts of water.
The raw material of modified expanded perlite includes by weight：94 parts of perlite, 0.6 part of neopelex, mistake
0.7 part of potassium sulfate, 11 parts of water.
The preparation method of modified expanded perlite includes the following steps：
Step 1：Neopelex, potassium peroxydisulfate are added to the water, stirred evenly, modifying agent is obtained；
Step 2：The modifying agent obtained in step 1 is uniformly sprayed on perlite, 1.3 hours are stood, with 36 DEG C/h
Speed be warming up to 255 DEG C, maintained 35 minutes in the temperature, then 1140 DEG C are warming up to 137 DEG C/h of speed, maintain 8
Second, obtain modified fine perlite.
Embodiment 2
The pearlite heat-insulation plate of embodiment 1, raw material can also include by weight：58 parts of modified expanded perlite, kaolin
13 parts, 13 parts of cement, 6 parts of plant ash, 9 parts of diatomite, 1.6 parts of trimethyl silicane sodium alkoxide, 4.3 parts of epoxychloropropane, divinyl
3.2 parts of benzene, 5.9 parts of ethyl orthosilicate, N, N ＇ -1.4 parts of methylene-bisacrylamide, 0.33 part of calcium sulfate, sodium chloroacetate 1.4
Part, 0.8 part of sodium chloride, 10 parts of sodium metasilicate and 26 parts of water.
Embodiment 3
The pearlite heat-insulation plate of embodiment 1, raw material can also include by weight：51 parts of modified expanded perlite, kaolin
14 parts, 12 parts of cement, 5.2 parts of plant ash, 8 parts of diatomite, 1.2 parts of trimethyl silicane sodium alkoxide, 4.7 parts of epoxychloropropane, divinyl
4.3 parts of base benzene, 7.8 parts of ethyl orthosilicate, N, N ＇ -1.1 parts of methylene-bisacrylamide, 0.52 part of calcium sulfate, sodium chloroacetate
27 parts of 1.8 parts, 1.2 parts of sodium chloride, 9 parts of sodium metasilicate and water.
Embodiment 4
The pearlite heat-insulation plate of embodiment 1, raw material can also include by weight：56 parts of modified expanded perlite, kaolin
11 parts, 14 parts of cement, 6.7 parts of plant ash, 6 parts of diatomite, 2.8 parts of trimethyl silicane sodium alkoxide, 2.2 parts of epoxychloropropane, divinyl
4.9 parts of base benzene, 5.3 parts of ethyl orthosilicate, N, N ＇ -1.3 parts of methylene-bisacrylamide, 0.58 part of calcium sulfate, sodium chloroacetate
25 parts of 1.2 parts, 1.1 parts of sodium chloride, 14 parts of sodium metasilicate and water.
Embodiment 5
The pearlite heat-insulation plate of embodiment 1, wherein the raw material of modified expanded perlite can also include by weight：Perlite
92 parts, 0.7 part of neopelex, 0.8 part of potassium peroxydisulfate, 12 parts of water.
The preparation method of modified expanded perlite can also include the following steps：
Step 1：Neopelex, potassium peroxydisulfate are added to the water, stirred evenly, modifying agent is obtained；
Step 2：The modifying agent obtained in step 1 is uniformly sprayed on perlite, 1.5 hours are stood, with 39 DEG C/h
Speed be warming up to 210 DEG C, maintained 38 minutes in the temperature, then 1100 DEG C are warming up to 134 DEG C/h of speed, maintain 9
Second, obtain modified fine perlite.
Embodiment 6
The pearlite heat-insulation plate of embodiment 1, wherein the raw material of modified expanded perlite can also include by weight：Perlite
97 parts, 0.8 part of neopelex, 0.6 part of potassium peroxydisulfate, 11.3 parts of water.
The preparation method of modified expanded perlite can also include the following steps：
Step 1：Neopelex, potassium peroxydisulfate are added to the water, stirred evenly, modifying agent is obtained；
Step 2：The modifying agent obtained in step 1 is uniformly sprayed on perlite, 1.8 hours are stood, with 32 DEG C/h
Speed be warming up to 288 DEG C, maintained 33 minutes in the temperature, then 1200 DEG C are warming up to 131 DEG C/h of speed, maintain 10
Second, obtain modified fine perlite.
Embodiment 7
The present invention provides a kind of preparation methods of pearlite heat-insulation plate, include the following steps：
S1, by 53 kilograms of modified expanded perlites, 12 kilograms of kaolin, 11 kilograms of cement, 7 kilograms of plant ash, 7 kilograms of diatomite
It is uniformly mixed and obtains mixture A；
S2, by 2.1 kilograms of trimethyl silicane sodium alkoxide, 3.5 kilograms of epoxychloropropane, 3.8 kilograms of divinylbenzenes, 6.7 kilograms of positive silicon
Acetoacetic ester, 1.2 kilograms of N, N ＇-methylene-bisacrylamide, 0.43 kilogram of calcium sulfate, 1.6 kilograms of sodium chloroacetates, 1.0 kilograms of chlorine
It is uniformly mixed to change sodium, 13 kilograms of sodium metasilicate, adds 28 kilograms of 45 DEG C of water, stirs 36 minutes, obtain solution B；
S3, the solution B obtained in S2 is added in the mixture A obtained in S1, pours into mold and is pressed into after stirring evenly
Type obtains pearlite heat-insulation plate idiosome；
S4, by the pearlite heat-insulation plate idiosome obtained in S3 successively dry 5 hours at 42 DEG C, 133 DEG C of dryings 27 minutes and 71
DEG C dry 2.4 hours, obtain pearlite heat-insulation plate.
Embodiment 8
The present invention provides a kind of preparation methods of pearlite heat-insulation plate, include the following steps：
S1, by 58 kilograms of modified expanded perlites, 13 kilograms of kaolin, 13 kilograms of cement, 6 kilograms of plant ash, 9 kilograms of diatomite
It is uniformly mixed and obtains mixture A；
S2, by 1.6 kilograms of trimethyl silicane sodium alkoxide, 4.3 kilograms of epoxychloropropane, 3.2 kilograms of divinylbenzenes, 5.9 kilograms of positive silicon
Acetoacetic ester, 1.4 kilograms of N, N ＇-methylene-bisacrylamide, 0.33 kilogram of calcium sulfate, 1.4 kilograms of sodium chloroacetates, 0.8 kilogram of chlorine
It is uniformly mixed to change sodium, 10 kilograms of sodium metasilicate, adds 26 kilograms of 48 DEG C of water, stirs 32 minutes, obtain solution B；
S3, the solution B obtained in S2 is added in the mixture A obtained in S1, pours into mold and is pressed into after stirring evenly
Type obtains pearlite heat-insulation plate idiosome；
S4, by the pearlite heat-insulation plate idiosome obtained in S3 successively dry 4.2 hours at 48 DEG C, 136 DEG C of dryings 29 minutes and
73 DEG C of dryings 2.2 hours, obtain pearlite heat-insulation plate.
Embodiment 9
The present invention provides a kind of preparation methods of pearlite heat-insulation plate, include the following steps：
S1, by 51 kilograms of modified expanded perlites, 14 kilograms of kaolin, 12 kilograms of cement, 5.2 kilograms of plant ash, 8 kilograms of diatoms
Soil is uniformly mixed and obtains mixture A；
S2, by 1.2 kilograms of trimethyl silicane sodium alkoxide, 4.7 kilograms of epoxychloropropane, 4.3 kilograms of divinylbenzenes, 7.8 kilograms of positive silicon
Acetoacetic ester, 1.1 kilograms of N, N ＇-methylene-bisacrylamide, 0.52 kilogram of calcium sulfate, 1.8 kilograms of sodium chloroacetates, 1.2 kilograms of chlorine
It is uniformly mixed to change sodium, 9 kilograms of sodium metasilicate, adds 27 kilograms of 42 DEG C of water, stirs 38 minutes, obtain solution B；
S3, the solution B obtained in S2 is added in the mixture A obtained in S1, pours into mold and is pressed into after stirring evenly
Type obtains pearlite heat-insulation plate idiosome；
S4, by the pearlite heat-insulation plate idiosome obtained in S3 successively dry 5.7 hours at 36 DEG C, 139 DEG C of dryings 26 minutes and
67 DEG C of dryings 2.8 hours, obtain pearlite heat-insulation plate.
The methods of being uniformly mixed, stirring evenly involved in the present invention, compression moulding are the common knowledge of this field,
This is repeated no more.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of pearlite heat-insulation plate, which is characterized in that its raw material includes by weight：50-60 parts of modified expanded perlite, height
Soil 10-15 parts of ridge, 10-15 parts of cement, 5-8 parts of plant ash, 5-10 parts of diatomite, 1-3 parts of trimethyl silicane sodium alkoxide, epoxychloropropane
2-5 parts, 3-5 parts of divinylbenzene, 5-8 parts of ethyl orthosilicate, N, N ＇ -1-1.5 parts of methylene-bisacrylamide, calcium sulfate
23-30 parts of 0.3-0.6 parts, 1-2 parts of sodium chloroacetate, 0.7-1.3 parts of sodium chloride, 8-15 parts of sodium metasilicate and water.
2. a kind of pearlite heat-insulation plate according to claim 1, which is characterized in that the raw material of the modified expanded perlite
Include by weight：90-100 parts of perlite, 0.5-0.8 parts of neopelex, 0.6-0.9 parts of potassium peroxydisulfate, water 10-
13 parts.
3. a kind of pearlite heat-insulation plate according to claim 2, which is characterized in that the preparation of the modified expanded perlite
Method includes the following steps：
Step 1：Neopelex, potassium peroxydisulfate are added to the water, stirred evenly, modifying agent is obtained；
Step 2：The modifying agent obtained in step 1 is uniformly sprayed on perlite, after standing 1-2 hours, is heated up for the first time
To 200-300 DEG C, heat preservation maintains 30-40 minutes, is warming up to 1100-1200 DEG C for the second time, heat preservation maintains 7-10 seconds, is modified
Fine perlite.
4. a kind of pearlite heat-insulation plate according to claim 3, which is characterized in that the preparation of the modified expanded perlite
In method and step two, the speed of heating is 30-40 DEG C/h for the first time.
5. a kind of pearlite heat-insulation plate according to claim 3, which is characterized in that the preparation of the modified expanded perlite
In method and step two, the speed of second of heating is 130-140 DEG C/h.
6. a kind of preparation method of pearlite heat-insulation plate, which is characterized in that include the following steps：
S1, by modified expanded perlite, kaolin, cement, plant ash, diatomite be uniformly mixed obtain mixture A；
S2, by trimethyl silicane sodium alkoxide, epoxychloropropane, divinylbenzene, ethyl orthosilicate, N, N ＇-methylene bisacrylamide acyl
Amine, calcium sulfate, sodium chloroacetate, sodium chloride, sodium metasilicate are uniformly mixed, and water is added, and are stirred 30-40 minutes, are obtained solution B；
S3, the solution B obtained in S2 is added in the mixture A obtained in S1, pours into mold and is pressed into after stirring evenly
Type obtains pearlite heat-insulation plate idiosome；
S4, the pearlite heat-insulation plate idiosome obtained in S3 is passed through to drying for the first time successively, is dry for the second time and dry for the third time,
Obtain pearlite heat-insulation plate.
7. a kind of pearlite heat-insulation plate according to claim 6, which is characterized in that the temperature of the first time drying in the S4
Degree is 35-50 DEG C, and drying time is 4-6 hours.
8. a kind of pearlite heat-insulation plate according to claim 6, which is characterized in that the temperature of second of drying in the S4
Degree is 130-140 DEG C, and drying time is 25-30 minutes.
9. a kind of pearlite heat-insulation plate according to claim 6, which is characterized in that the temperature of the third time drying in the S4
Degree is 65-75 DEG C, and drying time is 2-3 hours.
10. a kind of pearlite heat-insulation plate according to claim 6, which is characterized in that the temperature of addition water is in the S2
40-50℃。
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| CN110317036A (en) * | 2019-07-10 | 2019-10-11 | 河南城建学院 | A kind of building energy-saving heat-insulating material and its preparation process |
| CN111559902A (en) * | 2020-05-18 | 2020-08-21 | 江南大学 | Multi-component mixed VIP core material and preparation method thereof |
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Application publication date: 20180731 |