CN104592661A - Preparation method of polystyrene light-weight thermal-insulation sound-insulation wall building block and building block prepared by same - Google Patents
Preparation method of polystyrene light-weight thermal-insulation sound-insulation wall building block and building block prepared by same Download PDFInfo
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Abstract
The invention provides a preparation method of a polystyrene light-weight thermal-insulation sound-insulation wall building block, which comprises the following steps: 1) banburying polystyrene in a kneading engine, controlling the melt temperature at 95-96 DEG C, adding a color master batch, a nucleating agent, a smoke inhibitor, a stabilizing agent and a flame retardant, mixing, continuing banburying at 96-98 DEG C for 10-12 minutes, taking out, pelleting with an open mill, and pulverizing into particles for later use; and 2) injecting Freon into a foaming extruder as a foaming agent, foaming to obtain a board with the thickness of 150-290mm, and cutting to obtain the polystyrene wall building block. The novel non-inflammable construction material thermal-insulation building block prepared by the method can reduce the loading capacity of the wall, greatly enhances the antivibration capacity of the building, integrates the multiple functions of thermal insulation, sound insulation, fire resistance and the like, has the advantages of flexible structure, firm structure, energy saving, environmental protection and the like, and is quick and convenient for construction.
Description
Technical field
The invention belongs to organic polymer material field, be specifically related to a kind of polychloroethylene composition with flame retardant properties.
Background technology
Polystyrene foam sheet is owing to having excellent lasting heat insulation property, unique buffering shock resistance, resistance to deterioration and water-repellancy, thus be widely used in a lot of fields, more receive great favor in the field such as building, packaging, electric equipment products, boats and ships, vehicle and aircraft manufacturing especially.
Save energy is the strategic emphasis of China's Economic development, specifically at building materials field, within 1986, Minstry of Housing and Urban-Rural Development of People Republic of China (MOHURD) has promulgated " Civil Building Energy Conservation standard ", October 1 calendar year 2001, and Minstry of Housing and Urban-Rural Development of People Republic of China (MOHURD) has issued " hot-summer and cold-winter area energy Saving Design of Residential Buildings standard ".From 2000, start the reducing energy consumption work of heating zone thermal environment difference or the large existing building of energy consumption, within 2005, country started reducing energy consumption in key cities.Foamed polystyrene board material owing to having low thermal conductivity, lightweight, high-strength, waterproof, antiseepage, the excellent properties such as constructability, very attractive in extending old building.
Insulation stripping and slicing mostly in the market is complex heat-preservation stripping and slicing, connects pin form by main body building block, external thermal insulation, heat-preserving core, protective layer and insulation.Material is cellular concrete, EPS (Guo Peng etc., the performance study of polystyrene foam air-entraining concrete thermal-insulative block, New Building Materials, the 2011,1st phase).Inorganic materials than great, thermal conductivity is higher.If but walling unit is all made with organic polymer material, its flame retardant properties must decline.
Summary of the invention
For the weak point of this area, the present invention proposes a kind of preparation method of polystyrene light insulating sound deafening wall block.
Another object of the present invention is the product that the preparation method described in proposition obtains.
For realizing above-mentioned purpose of the present invention, concrete technical scheme is:
A preparation method for polystyrene light insulating sound deafening wall block, comprises step:
1) polystyrene XPS is put into milling machine banburying 20 ~ 28 minutes, melt temperature controls at 95 ~ 96 DEG C, add look mother, nucleator, smoke suppressant, stablizer and fire retardant and carry out mixture, at 96 ~ 98 DEG C of temperature, continue banburying 10 ~ 12 minutes, it is that particle is for subsequent use that taking-up mill is pulverized in flakes afterwards;
2) use foam extrusion machine equipment again, inject freonll-11 as whipping agent, be foamed into the sheet material that thickness is 150mm-290mm, after cutting, obtain polystyrene walling unit.
Step 1) in preferably banburying 25 minutes.
Wherein, described step 1) in, proportioning raw materials is: polystyrene (XPS) 90-95 weight part, Masterbatch 4-6 weight part, nucleator 2-4 weight part, stablizer barium stearate 2-5 weight part, fire retardant 72-80 weight part, stablizer season luxuriant tetrol 10-15 weight part, smoke suppressant 3-5 weight part.
Wherein, described nucleator is nano level talcum powder or nanometer grade silica; Described smoke suppressant is one or more compositions in molybdic oxide, ferrocene, ammonium octamolybdate, Zinc aluminate, zinc borate, and smoke suppressant is preferably molybdic oxide 1-2 weight part and ferrocene 2-3 weight part.
Preferably, described fire retardant is by the hexabromocyclododecane 15-20 of weight part, ammonium polyphosphate 12-15, trimeric cyanamide 20-15, and back-fire relief polyethers 25-30 forms.
Wherein, described flame retarding polyether adopts following methods preparation and obtains: mass fraction is respectively fluorochemical, butylene oxide ring, catalyzer, the tetrafluoroethylene of 1-2,0.5-0.8,1.4-2.3,1.5-3, be 500-700 in temperature, under pressure is 50 ~ 80MPa, voltage 1.2-2.0 ten thousand volts of reaction conditionss, be obtained by reacting through 2-4 hour;
Wherein, described fluorochemical is one or more in Sodium Fluoride, Potassium monofluoride, rare earth fluoride, magnesium fluoride; Described catalyzer is the mixture of methyl alcohol 0.6-0.8 mass parts, silicone oil 0.4-0.7 mass parts, water glass 0.3-0.5 mass parts, sodium bicarbonate 0.1-0.3 mass parts.
Wherein, the reaction preparing flame retarding polyether is carried out in airtight reaction vessel, and described reaction vessel fills with non-oxidizing gas, and described non-oxidizing gas is the mixture of 100 parts of nitrogen or argon gas and 1-3 part carbonic acid gas;
The microwave generator that frequency is 80GHz-140GHz is provided with in described reaction vessel.
Wherein, described step 2) in, forcing machine has 15 sections, and 1-15 section temperature is respectively 167 DEG C, 172 DEG C, 178 DEG C, 182 DEG C, 187 DEG C, 192 DEG C, 198 DEG C, 186 DEG C, 178 DEG C, 169 DEG C, 155 DEG C, 143 DEG C, 131 DEG C, 115 DEG C, 100 DEG C; Extruder die temperature is 80-90 DEG C.
Wherein, described step 2) in, inject whipping agent freonll-11 0.5-4 weight part.Freonll-11 expansion ratio reaches 20-40 doubly, and can improve the weathering resistance of material.
Further, prepare bearing type building block and add whipping agent 0.4-6 part; The building block of preparation non-bearing type adds whipping agent 1.4-1.6 part.Prepare interior wall building block and add whipping agent 3-4 part.
The building block that preparation method of the present invention prepares.
Beneficial effect of the present invention is:
The method that the present invention proposes, the novel of preparation does not fire building materials insulation blocks, can alleviate body of wall load-bearing, greatly improve the vibration resistance of buildings, integrate insulation, sound insulation, fire prevention etc. multi-functional, there is the advantages such as structure is flexible, sound construction, quick construction convenience, energy-saving and environmental protection.
The present invention made XPS insulation blocks is that a kind of new organic materials does not fire building materials, utilize XPS porous plastics as the body of wall of lagging material, mechanical property and all more satisfactory people of thermal technology's standard, the building block of making reaches the complementation of performance, eradicate the disadvantage of self thermal property of current concrete hollow block difference completely, complicated wall thermal insulating construction technology can have been cancelled in building operation.This product feature is that construction is simple, speed fast, masonry panel and insulation complete simultaneously.
The feature of product of the present invention is proportioning raw materials science, technique is simple, be easy to promote, cost is low, lightweight, insulation, high-strength, waterproof, antivibration, nontoxic, do not fire, simple and fast of constructing, common extrusion foaming production line balance reliable in quality, without hidden danger of quality.
Embodiment
Following examples for illustration of the present invention, but should not be used for limiting the scope of the invention.In embodiment, if no special instructions, means used are this area routine techniques means.
Forcing machine is the YHX-452 type XPS foam extrusion machine of Qingdao shining new plastic mechanical means Manufacturing Co., Ltd production forever.
Embodiment 1: the preparation of flame retarding polyether
2 meters high, the reaction vessel of cylindrical enclosure, in reaction vessel, arrange arc generator, reactor wall 1.5m At The Height arranges microwave generator.Before the reaction starts, vacuumize rear nitrogen and carbonic acid gas (volume ratio 100:1.5) is full of container, make container inner pressure be 75MPa.
Catalyzer is the mixture of methyl alcohol 0.6 mass parts, silicone oil 0.5 mass parts, water glass 0.3 mass parts, sodium bicarbonate 0.1 mass parts.
Mass fraction is respectively the rare earth fluoride of 1,0.5,1.5,1.5 (purchased from the new Willie one-tenth rare earth company limited in Yixing, 2000 orders), butylene oxide ring, catalyzer, tetrafluoroethylene be 560 DEG C in temperature, under pressure is 75MPa, voltage 1.5 ten thousand volts, microwave frequency 100GHz reaction conditions, be obtained by reacting through 3 hours.
Embodiment 2: the preparation of flame retarding polyether
Equipment and pressure-controlling are with embodiment 1.
Catalyzer is the mixture of methyl alcohol 0.7 mass parts, silicone oil 0.6 mass parts, water glass 0.5 mass parts, sodium bicarbonate 0.2 mass parts.
Mass fraction is respectively the rare earth fluoride of 1,0.5,2.0,1.5 (purchased from the new Willie one-tenth rare earth company limited in Yixing, 2000 orders), butylene oxide ring, catalyzer, tetrafluoroethylene be 550 DEG C in temperature, under pressure is 75MPa, voltage 1.5 ten thousand volts, microwave frequency 100GHz reaction conditions, be obtained by reacting through 3 hours.
Embodiment 3:
Raw material: this product each constituent mass part proportioning is: polystyrene (XPS) 95, Masterbatch 5, nucleator nanomete talc powder (Italian IMFABI, HTP Ultra) 3, stablizer barium stearate 5, and fire retardant 71 (by the hexabromo dodecane 16 parts of weight part, ammonium polyphosphate 15 parts, trimeric cyanamide 15 parts, embodiment 1 back-fire relief polyethers processed 25 parts of compositions), stablizer season luxuriant tetrol 12, smoke suppressant molybdic oxide 1, smoke suppressant ferrocene 3 parts, whipping agent freonll-11 1.5 parts.
Preparation technique:
1) XPS is put into milling machine banburying 25 minutes, melt temperature controls at 95 DEG C.Add look mother, nucleator, smoke suppressant, stablizer and fire retardant to carry out mixture at 96 DEG C of temperature, continue banburying 11 minutes, it is that particle is for subsequent use that taking-up mill is pulverized in flakes afterwards.
2) injecting freonll-11 with foam extrusion machine equipment 15 MPa again becomes thickness to be the sheet material of 150mm-290mm as foaming agent foam, obtains the stripping and slicing of polystyrene body of wall after cutting.Wherein, forcing machine 1-15 section temperature is respectively 167 DEG C, 172 DEG C, 178 DEG C, 182 DEG C, 187 DEG C, 192 DEG C, 198 DEG C, 186 DEG C, 178 DEG C, 169 DEG C, 155 DEG C, 143 DEG C, 131 DEG C, 115 DEG C, 100 DEG C, and mold temperature is 85 DEG C.Obtained non-bearing type walling unit, can be used for the places such as terrace fence.
In proportioning raw materials, freonll-11 adds 0.5 part (other components unchanged), and obtained bearing type building block, can be used for bearing wall.In proportioning raw materials, freonll-11 adds 3 parts (other components unchanged), and obtained interior wall building block, can be used for interior wall.
Embodiment 4
Raw material: this product each constituent mass part proportioning is: polystyrene (PS) 92, Masterbatch 6, nucleator nanomete talc powder (Italian IMFABI, HTP Ultra) 4, stablizer barium stearate 4, fire retardant (hexabromo dodecane 16, ammonium polyphosphate 15, trimeric cyanamide 15, embodiment 2 back-fire relief polyethers 28 processed) 74, stablizer season luxuriant tetrol 15, smoke suppressant molybdic oxide 2, smoke suppressant ferrocene 4, whipping agent freonll-11 1.5 parts.
Preparation technology is with embodiment 3.Obtained non-bearing type walling unit, can be used for the places such as terrace fence.In proportioning raw materials, freonll-11 adds 0.5 part (other components unchanged), then obtained bearing type walling unit, can be used for bearing wall.In proportioning raw materials, freonll-11 adds 4 parts (other components unchanged), and obtained interior wall building block, can be used for interior wall.
Comparative example
Raw material: this product each constituent mass part ratio range is polystyrene (XPS) 95, Masterbatch 4, nucleator nanomete talc powder (Italian IMFABI, HTP Ultra) 3, stablizer barium stearate 4, fire retardant PHT4 ester 75 parts, stablizer season luxuriant tetrol 12, smoke suppressant ammonium octamolybdate (dust steps on chemical Charmax LS-AOM) 4 parts, phase solvent methyl-α-phenylpropionic acid butyl ester 10, whipping agent freonll-11 3 parts.
Preparation technology is with embodiment 3.
Experimental example 1: performance test
Thermal conductivity is with thermal conductivity measuring apparatus test set producer (English Bel Tianjin test set company limited).Ultimate compression strength is with universal testing machine test set producer (Jinan New Times Shi Jin Instrument Ltd.).
(1), non-bearing type building block: unit weight 200 ㎏/m
3; Ultimate compression strength>=5MPa, air shrinkage value 0mm/m, water-intake rate≤0.4%, thermal conductivity≤0.091W/m
2k;
(2), bearing type building block: unit weight 600 ㎏/m
3; Ultimate compression strength>=10MPa, air shrinkage value 0mm/m, water-intake rate≤0.2%: thermal conductivity≤0.79W/m
2during K,
(3), interior wall building block: specification (mm): length × height × thick=(390 ~ 600) × (190 ~ 300) × (150 ~ 190), unit weight 95 ㎏/m
3~ 106 ㎏/m
3; Air shrinkage value 0mm/m, ultimate compression strength>=3.5MPa, thermal conductivity≤0.028W/m
2k.
Experimental example 2 A level fire prevention experimental results:
Its fire resistance property of test is required according to the A grade standard of existing People's Republic of China (PRC) GB 8624-2006 " material of construction and product burns grading performance " and the A level of People's Republic of China (PRC) GB5022--1995 " code for fire prevention design of interior decoration of buildings ".
Embodiment 3, embodiment 4, comparative example each cut-off footpath 45mm, high 2 pieces, 50mm plate sample (totally 6 pieces), laboratory apparatus is JCB-2 building materials non-combustibility test stove.Test result is for seeing the following form 1.
Table 1: sheet material flame retardant properties test result
Embodiment 3, embodiment 4, comparative example respectively get width 495mm, 1 piece, length 1500mm plate sample; 1 piece, width 1000mm, length 1500mm plate sample, through building material made monomer combustion testing apparatus (DT-1 type) test, result is table 2.
Table 2: sheet material monomer combustion the performance test results
Embodiment 3, embodiment 4, comparative example respectively get the square sheet material 1 piece product smoke toxicity test device that the length of side is 400mm, and according to national standard, " classification of GB/T20285-2006 material producing smoke toxicity risk is tested, and test result is: produce smoke toxicity t0 level.
Known by testing above, the polystyrene light insulating sound deafening wall block that the present invention proposes meets the A grade standard of existing People's Republic of China (PRC) GB 8624-2006 " material of construction and product burns grading performance " and the A level requirement of People's Republic of China (PRC) GB5022--95 " code for fire prevention design of interior decoration of buildings " completely.
Although above the present invention has done detailed description, and on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (10)
1. a preparation method for polystyrene light insulating sound deafening wall block, is characterized in that, comprises step:
1) polystyrene XPS is put into milling machine banburying 20 ~ 28 minutes, melt temperature controls at 95 ~ 96 DEG C, add look mother, nucleator, smoke suppressant, stablizer and fire retardant and carry out mixture, at 96 ~ 98 DEG C of temperature, continue banburying 10 ~ 12 minutes, it is that particle is for subsequent use that taking-up mill is pulverized in flakes afterwards;
2) use foam extrusion machine equipment again, inject freonll-11 as whipping agent, be foamed into the sheet material that thickness is 150mm-290mm, after cutting, obtain polystyrene walling unit.
2. preparation method according to claim 1, it is characterized in that, described step 1) in, proportioning raw materials is: polystyrene 90-95 weight part, Masterbatch 4-6 weight part, nucleator 2-4 weight part, stablizer barium stearate 2-5 weight part, fire retardant 72-80 weight part, stablizer season luxuriant tetrol 10-15 weight part, smoke suppressant 3-5 weight part.
3. preparation method according to claim 1 and 2, is characterized in that, described nucleator is nano level talcum powder or nanometer grade silica; Described smoke suppressant is one or more in molybdic oxide, ferrocene, ammonium octamolybdate, Zinc aluminate, zinc borate.
4. preparation method according to claim 3, is characterized in that, described smoke suppressant is molybdic oxide 1-2 weight part and ferrocene 2-3 weight part.
5. preparation method according to claim 1 and 2, is characterized in that, described fire retardant is by the hexabromocyclododecane 15-20 of weight part, ammonium polyphosphate 12-15, trimeric cyanamide 20-15, and back-fire relief polyethers 25-30 forms.
6. preparation method according to claim 5, it is characterized in that, described flame retarding polyether adopts following methods preparation and obtains: mass fraction is respectively fluorochemical, butylene oxide ring, catalyzer, the tetrafluoroethylene of 1-2,0.5-0.8,1.4-2.3,1.5-3, be 500-700 in temperature, under pressure is 50 ~ 80MPa, voltage 1.2-2.0 ten thousand volts of reaction conditionss, be obtained by reacting through 2-4 hour;
Wherein, described fluorochemical is one or more in Sodium Fluoride, Potassium monofluoride, rare earth fluoride, magnesium fluoride; Described catalyzer is the mixture of methyl alcohol 0.6-0.8 mass parts, silicone oil 0.4-0.7 mass parts, water glass 0.3-0.5 mass parts, sodium bicarbonate 0.1-0.3 mass parts.
7. preparation method according to claim 6, it is characterized in that, the reaction preparing flame retarding polyether is carried out in airtight reaction vessel, and described reaction vessel fills with non-oxidizing gas, and described non-oxidizing gas is the mixture of 100 parts of nitrogen or argon gas and 1-3 part carbonic acid gas;
The microwave generator that frequency is 80GHz-140GHz is provided with in described reaction vessel.
8. according to the arbitrary described preparation method of claim 1-7, it is characterized in that, described step 2) in, forcing machine has 15 sections, and 1-15 section temperature is respectively 167 DEG C, 172 DEG C, 178 DEG C, 182 DEG C, 187 DEG C, 192 DEG C, 198 DEG C, 186 DEG C, 178 DEG C, 169 DEG C, 155 DEG C, 143 DEG C, 131 DEG C, 115 DEG C, 100 DEG C; Extruder die temperature is 80-90 DEG C.
9., according to the arbitrary described preparation method of claim 1-7, it is characterized in that, described step 2) in, inject whipping agent freonll-11 0.5-4 weight part.
10. the building block for preparing of the arbitrary described preparation method of claim 1-9.
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| CN101319540A (en) * | 2008-07-04 | 2008-12-10 | 陶国延 | Polystyrene insulating brick and its production method and use method |
| CN102127269A (en) * | 2010-01-12 | 2011-07-20 | 盛亚军 | Flame-retarding polymer foam material and preparation method thereof |
| CN103739975A (en) * | 2013-12-12 | 2014-04-23 | 连云港海水化工有限公司 | High fire-retardant and high impact-resistant regenerated polystyrene XPS particle and preparation method thereof |
| CN104045928A (en) * | 2014-06-06 | 2014-09-17 | 赵祖良 | Flame-retardant XPS extruded foam board |
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2014
- 2014-12-26 CN CN201410829397.5A patent/CN104592661B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101319540A (en) * | 2008-07-04 | 2008-12-10 | 陶国延 | Polystyrene insulating brick and its production method and use method |
| CN102127269A (en) * | 2010-01-12 | 2011-07-20 | 盛亚军 | Flame-retarding polymer foam material and preparation method thereof |
| CN103739975A (en) * | 2013-12-12 | 2014-04-23 | 连云港海水化工有限公司 | High fire-retardant and high impact-resistant regenerated polystyrene XPS particle and preparation method thereof |
| CN104045928A (en) * | 2014-06-06 | 2014-09-17 | 赵祖良 | Flame-retardant XPS extruded foam board |
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