CN105174827A - Preparation method for energy-saving environment-friendly insulating material - Google Patents
Preparation method for energy-saving environment-friendly insulating material Download PDFInfo
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- CN105174827A CN105174827A CN201510507689.1A CN201510507689A CN105174827A CN 105174827 A CN105174827 A CN 105174827A CN 201510507689 A CN201510507689 A CN 201510507689A CN 105174827 A CN105174827 A CN 105174827A
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Abstract
The invention discloses a preparation method for an energy-saving environment-friendly insulating material. The preparation method comprises the following steps: mixing polystyrene, stearic acid, ceramic powder and barium stearate; adding the obtained mixture into a reaction vessel and carrying out heating; then adding polyethylene glycol, hydroxypropyl methylcellulose and glass fiber and carrying out stirring; adding polycarbonate and carrying out vacuum-pumping; adding pentamethyldiethylenetriamine and continuing stirring; adding bentonite into the mixture obtained in the previous step and carrying out heating under vacuum; adding chloropropylene oxide and carrying out stirring; and cooling the mixture obtained in the previous step to room temperature and subjecting the mixture to calendaring so as to obtain the energy-saving environment-friendly insulating material. The energy-saving environment-friendly insulating material has good thermal insulation performance, high compressive strength, good crack resistance, high bonding strength, wind pressure resistance and aging resistance; exhaust gas, waste residues and waste liquid are not produced in the production of the material; all the components of the material are nonirritant and nonradioactive; and the material is same and harmless in the processes of production, construction and application.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of preparation method of energy-conserving and environment-protective lagging material.
Background technology
After the seventies in last century, the production of external most attention lagging material and application under construction, make every effort to the consumption significantly reducing the energy, thus reduce environmental pollution and Greenhouse effect.State's heat insulating material for external industry has had very long history, building energy conservation lagging material accounts for the overwhelming majority, as the U.S. has accounted for about 81% of all lagging materials from building thermal insulation material since 1987, the asbestos product of the Western European countries such as Sweden and Finland more than 80% is used for building energy conservation.More external developed countries have just started the work of building energy conservation as far back as the end of the seventies, force construction industry to perform energy conservation standard in new building, the U.S. has promulgated ASHRAE (U.S. heating, refrigeration and Air-conditioning Engineering association) standard 90-75 " new building design is energy-conservation " first time in 1975.Based on this, in December, 1977, official formally promulgated " energy-saving act in new building structure ", and in 45 states, receive energy-saving effect clearly.American National Bureau of Energy, the Bureau of Standards and national Building Codes and Standard conference, constantly propose new content, within every 5 years, just once revise ASHRAE standard in energy-saving design in construction etc.Developed country is to the attention of building energy conservation and take some effective measures to achieve huge effect, and the building energy consumption of whole country is significantly declined.
Building energy conservation is not only that the promulgation of Regulation of building energy-saving performs, and its realization also relates to a huge industrial groups, and wherein heat preserving and insulating material and goods affect the important influence factor of building energy conservation one.The Developing Application of building thermal insulation material is more and more subject to the most attention of countries in the world, and heat insulating material constantly emerges in large numbers.From material and the kind of building thermal insulation material, relatively extensive to the lagging material research taking polystyrene as main raw material both at home and abroad, but the overwhelming majority is all in sheet material field, as styrofoam, steel wire net rack sandwich composite inside and outside wall plate, metal composite sandwich board etc.Although styrofoam in use has good heat insulation effect as lagging material, but the feature due to sheet material is put to be fixed as main, face and to be fixed as auxiliary when making styrofoam connect with main body in construction, to carry out between sheet material splicing, boning, be not suitable with the insulation of the more complicated buildings of profile, construction technology is more complicated, and comprehensive cost is high.Simultaneously because the hydrophobic nature of styrofoam is not suitable with conventional hydrophilic material, the subsequent construction matter beyond its surface layer is caused not easily to ensure, easily occur that surface layer mortar ftractures, come off, the quality problems such as hollowing, therefore very large restriction is constituted to external decoration such as the use of face brick, coating or the construction of buildings.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and the preparation method that a kind of energy-conserving and environment-protective lagging material is provided, gained lagging material heat-insulating property be good, ultimate compression strength is high, resistance to cleavage good, cohesive strength is high, Wind-Pressure Resistance, ageing-resistant.
A preparation method for energy-conserving and environment-protective lagging material, comprises the steps:
Step 1, by with polystyrene 5-10 part of parts by weight, stearic acid 2-5 part, ceramic powder 3-8 part, barium stearate 1-4 part stirs in stirrer for mixing, obtains mixture one;
Step 2, mixture one is added in reactor, is warming up to 70-80 DEG C, add the polyoxyethylene glycol 3-7 part with parts by weight, hypromellose 2-6 part, glass fibre 3-7 part, stirs 30-40 minute, then adds polycarbonate 2-6 part, vacuumize, add five methyl diethylentriamine 1-3 part, continue to stir 20-30 minute, obtain mixture two;
Step 3, joins the wilkinite 4-8 part with parts by weight in mixture two, is warming up to 80-90 DEG C under vacuum, add epoxy chloropropane 1-3 part, stirs 10-20 minute, is then down to room temperature, obtains mixture three;
Step 4, crosses rolling press calendering formation by mixture threeway, obtains energy-conserving and environment-protective lagging material.
As the further improvement of foregoing invention, the ceramic powder in step 1 is nano-ceramic powder.
As the further improvement of foregoing invention, in step 1, the stirring velocity of mixing and stirring is 150-180 rev/min, churning time 15-20 minute.
As the further improvement of foregoing invention, in step 2, polyoxyethylene glycol is poly(oxyethylene glycol) 400 or polyethylene glycol-800.
As the further improvement of foregoing invention, the vacuum tightness after vacuumizing in step 2 is 0.01-0.04MMPa.
As the further improvement of foregoing invention, in step 3, the vacuum tightness of vacuum condition is 0.02-0.04MPa.
As the further improvement of foregoing invention, the calendering formation temperature in step 4 is 150-180 DEG C.
Energy-conserving and environment-protective lagging material heat-insulating property of the present invention is good, ultimate compression strength is high, resistance to cleavage good, cohesive strength is high, Wind-Pressure Resistance, ageing-resistant.Do not have the generation of waste gas, waste residue, waste liquid in process of production, production technique is simple, and the component used in material is nonirritant and radioactivity, safe, harmless in production, construction and use procedure, has significant Social benefit and economic benefit.
Embodiment
Embodiment 1
A preparation method for energy-conserving and environment-protective lagging material, comprises the steps:
Step 1, by with the polystyrene 5 parts of parts by weight, stearic acid 2 parts, ceramic powder 3 parts, barium stearate 1 part stirs in stirrer for mixing, obtains mixture one;
Step 2, mixture one is added in reactor, is warming up to 70 DEG C, add the polyoxyethylene glycol 3 parts with parts by weight, hypromellose 2 parts, 3 parts, glass fibre, stirs 30 minutes, then adds polycarbonate 2 parts, vacuumize, add five methyl diethylentriamine 1 part, continue stirring 20 minutes, obtain mixture two;
Step 3, joins in mixture two by the wilkinite 4 parts with parts by weight, is warming up to 80 DEG C under vacuum, add epoxy chloropropane 1 part, stirs 10 minutes, is then down to room temperature, obtains mixture three;
Step 4, crosses rolling press calendering formation by mixture threeway, obtains energy-conserving and environment-protective lagging material.
Ceramic powder in step 1 is nano-ceramic powder.
In step 1, the stirring velocity of mixing and stirring is 150 revs/min, churning time 20 minutes.
In step 2, polyoxyethylene glycol is poly(oxyethylene glycol) 400, and the vacuum tightness after vacuumizing is 0.01MPa.
In step 3, the vacuum tightness of vacuum condition is 0.02MPa.
Calendering formation temperature in step 4 is 150 DEG C.
Embodiment 2
A preparation method for energy-conserving and environment-protective lagging material, comprises the steps:
Step 1, by with the polystyrene 8 parts of parts by weight, stearic acid 4 parts, ceramic powder 6 parts, barium stearate 2 parts stirs in stirrer for mixing, obtains mixture one;
Step 2, mixture one is added in reactor, is warming up to 75 DEG C, add the polyoxyethylene glycol 5 parts with parts by weight, hypromellose 3 parts, 6 parts, glass fibre, stirs 35 minutes, then adds polycarbonate 5 parts, vacuumize, add five methyl diethylentriamine 2 parts, continue stirring 25 minutes, obtain mixture two;
Step 3, joins in mixture two by the wilkinite 7 parts with parts by weight, is warming up to 85 DEG C under vacuum, add epoxy chloropropane 2 parts, stirs 15 minutes, is then down to room temperature, obtains mixture three;
Step 4, crosses rolling press calendering formation by mixture threeway, obtains energy-conserving and environment-protective lagging material.
Ceramic powder in step 1 is nano-ceramic powder.
In step 1, the stirring velocity of mixing and stirring is 170 revs/min, churning time 18 minutes.
In step 2, polyoxyethylene glycol is polyethylene glycol-800, and the vacuum tightness after vacuumizing is 0.03MMPa.
In step 3, the vacuum tightness of vacuum condition is 0.03MPa.
Calendering formation temperature in step 4 is 170 DEG C.
Embodiment 3
A preparation method for energy-conserving and environment-protective lagging material, comprises the steps:
Step 1, by with the polystyrene 9 parts of parts by weight, stearic acid 3 parts, ceramic powder 6 parts, barium stearate 2 parts stirs in stirrer for mixing, obtains mixture one;
Step 2, mixture one is added in reactor, is warming up to 75 DEG C, add the polyoxyethylene glycol 5 parts with parts by weight, hypromellose 4 parts, 5 parts, glass fibre, stirs 35 minutes, then adds polycarbonate 4 parts, vacuumize, add five methyl diethylentriamine 2 parts, continue stirring 25 minutes, obtain mixture two;
Step 3, joins in mixture two by the wilkinite 5 parts with parts by weight, is warming up to 85 DEG C under vacuum, add epoxy chloropropane 2 parts, stirs 15 minutes, is then down to room temperature, obtains mixture three;
Step 4, crosses rolling press calendering formation by mixture threeway, obtains energy-conserving and environment-protective lagging material.
Ceramic powder in step 1 is nano-ceramic powder.
In step 1, the stirring velocity of mixing and stirring is 165 revs/min, churning time 20 minutes.
In step 2, polyoxyethylene glycol is poly(oxyethylene glycol) 400, and the vacuum tightness after vacuumizing is 0.03MMPa.
In step 3, the vacuum tightness of vacuum condition is 0.02MPa.
Calendering formation temperature in step 4 is 170 DEG C.
Embodiment 4
A preparation method for energy-conserving and environment-protective lagging material, comprises the steps:
Step 1, by with the polystyrene 10 parts of parts by weight, stearic acid 5 parts, ceramic powder 8 parts, barium stearate 4 parts stirs in stirrer for mixing, obtains mixture one;
Step 2, mixture one is added in reactor, is warming up to 80 DEG C, add the polyoxyethylene glycol 7 parts with parts by weight, hypromellose 6 parts, 7 parts, glass fibre, stirs 40 minutes, then adds polycarbonate 6 parts, vacuumize, add five methyl diethylentriamine 3 parts, continue stirring 20 minutes, obtain mixture two;
Step 3, joins in mixture two by the wilkinite 8 parts with parts by weight, is warming up to 90 DEG C under vacuum, add epoxy chloropropane 3 parts, stirs 10 minutes, is then down to room temperature, obtains mixture three;
Step 4, crosses rolling press calendering formation by mixture threeway, obtains energy-conserving and environment-protective lagging material.
Ceramic powder in step 1 is nano-ceramic powder.
In step 1, the stirring velocity of mixing and stirring is 180 revs/min, churning time 15 minutes.
In step 2, polyoxyethylene glycol is polyethylene glycol-800, and the vacuum tightness after vacuumizing is 0.04MMPa.
In step 3, the vacuum tightness of vacuum condition is 0.04MPa.
Calendering formation temperature in step 4 is 180 DEG C.
Compare with patent CN103058622, embodiment 1 to 4 resulting materials is carried out performance test, and result is as follows:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Reference examples | |
| Thermal conductivity/w (mk) -1 | 0.058 | 0.072 | 0.065 | 0.062 | 0.049 |
| Cohesive strength/kPa | 63 | 78 | 69 | 70 | 55 |
| Ultimate compression strength/MPa | 0.45 | 0.63 | 0.57 | 0.55 | 0.45 |
| Folding strength/MPa | 0.39 | 0.42 | 0.40 | 0.41 | 0.35 |
| Bulk density/gcm -3 | 116 | 123 | 118 | 120 | 138 |
| Unit weight/kgcm -3 | 203 | 205 | 202 | 200 | 203 |
| Drying shrinkage/% | 0.048 | 0.053 | 0.049 | 0.047 | 0.045 |
| Frost resistance | 25 freeze-thaw cycle | 35 freeze-thaw cycle | 28 freeze-thaw cycle | 25 freeze-thaw cycle | 18 freeze-thaw cycle |
From above result, lagging material heat-insulating property of the present invention is good, ultimate compression strength is high, resistance to cleavage good, cohesive strength is high, Wind-Pressure Resistance, ageing-resistant.
Claims (7)
1. a preparation method for energy-conserving and environment-protective lagging material, is characterized in that, comprises the steps:
Step 1, by with polystyrene 5-10 part of parts by weight, stearic acid 2-5 part, ceramic powder 3-8 part, barium stearate 1-4 part stirs in stirrer for mixing, obtains mixture one;
Step 2, mixture one is added in reactor, is warming up to 70-80 DEG C, add the polyoxyethylene glycol 3-7 part with parts by weight, hypromellose 2-6 part, glass fibre 3-7 part, stirs 30-40 minute, then adds polycarbonate 2-6 part, vacuumize, add five methyl diethylentriamine 1-3 part, continue to stir 20-30 minute, obtain mixture two;
Step 3, joins the wilkinite 4-8 part with parts by weight in mixture two, is warming up to 80-90 DEG C under vacuum, add epoxy chloropropane 1-3 part, stirs 10-20 minute, is then down to room temperature, obtains mixture three;
Step 4, crosses rolling press calendering formation by mixture threeway, obtains energy-conserving and environment-protective lagging material.
2. the preparation method of energy-conserving and environment-protective lagging material according to claim 1, is characterized in that, the ceramic powder in step 1 is nano-ceramic powder.
3. the preparation method of energy-conserving and environment-protective lagging material according to claim 1, is characterized in that, in step 1, the stirring velocity of mixing and stirring is 150-180 rev/min, churning time 15-20 minute.
4. the preparation method of energy-conserving and environment-protective lagging material according to claim 1, is characterized in that, in step 2, polyoxyethylene glycol is poly(oxyethylene glycol) 400 or polyethylene glycol-800.
5. the preparation method of energy-conserving and environment-protective lagging material according to claim 1, is characterized in that, the vacuum tightness after vacuumizing in step 2 is 0.01-0.04MMPa.
6. the preparation method of energy-conserving and environment-protective lagging material according to claim 1, is characterized in that, in step 3, the vacuum tightness of vacuum condition is 0.02-0.04MPa.
7. the preparation method of energy-conserving and environment-protective lagging material according to claim 1, is characterized in that, the calendering formation temperature in step 4 is 150-180 DEG C.
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| CN201510507689.1A CN105174827A (en) | 2015-08-18 | 2015-08-18 | Preparation method for energy-saving environment-friendly insulating material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107311521A (en) * | 2017-07-12 | 2017-11-03 | 合肥雅克丽新型建材有限公司 | Preparation method of novel anti-corrosion thermal insulation material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107311521A (en) * | 2017-07-12 | 2017-11-03 | 合肥雅克丽新型建材有限公司 | Preparation method of novel anti-corrosion thermal insulation material |
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Application publication date: 20151223 |