CN102320100A - Production method of modified fire-proof thermal-insulation polyurethane cystosepiment - Google Patents
Production method of modified fire-proof thermal-insulation polyurethane cystosepiment Download PDFInfo
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- CN102320100A CN102320100A CN201110163405A CN201110163405A CN102320100A CN 102320100 A CN102320100 A CN 102320100A CN 201110163405 A CN201110163405 A CN 201110163405A CN 201110163405 A CN201110163405 A CN 201110163405A CN 102320100 A CN102320100 A CN 102320100A
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Abstract
The invention discloses a production method of modified fire-proof thermal-insulation polyurethane cystosepiment, which has the key point that an uncoiler is started; the upper plate of the uncoiler is a metal plate or glass fibre aluminium foil cloth, the lower plate of the uncoiler is a metal plate of aluminium foil cloth, the metal plate is heated by a heating device after being shaped by a forming press, and the temperature range is 30-38DEG C; then, evenly-mixed fire retardant and polyether mixture in a placer A and isocyanate in a placer B are pumped into a mixing chamber with a stirring device behind a spray gun; after being fully mixed, the mixture is injected to a lower shaped plate via a shower nozzle; then the mixture is foamed and shaped in a forming machine at the foaming temperature of 35-40DEG C for 1-2 minutes; and finally, a finished product is obtained after the mixture is cut by a cutting machine. With the production method, fire retardant compound with the annular structure is added in the traditional polyurethane foam, the fire resistance and the heat resistance of the polyurethane foam are greatly improved, meanwhile, the toxicity of smoke released from the foam is greatly lowered, and the modified fire-proof thermal-insulation polyurethane cystosepiment has the performances of low carbon, low smoke, low toxicity, small possibility of burning of the B1 grade and the like.
Description
Technical field
The present invention relates to a kind of Organic Chemicals and produce fire-retardant heat insulation material technology field, specifically a kind of production method of modification fireproof heat insulating polyurethane foam board, this fire-retardant heat insulation material has characteristics such as flame retarding efficiency height, addition is few, burning is nontoxic.
Background technology
As everyone knows, in recent years in northern China, reach the insulation requirement for making building; All on original building body of wall basis, set up one deck insulation material; It then is polyphenyl foam or polyurethane foam plastics plate cheaply that this insulation material mainly selects, although and polyphenyl foam or polyurethane foam plastics plate heat insulation effect are remarkable, burning-point is lower; Meeting fire can burn, and produces a large amount of toxic smogs.In addition, polyurethane foam plastics is owing to contain that flammable hydrocarbon segment, density are little, specific area is big, is combustible without the polyurethane of flame treatment; Meeting fire can burn and decompose, and produces a large amount of toxic smogs, and particularly the soft polyurethane foam percent opening is higher; Combustible component is many, supplies with oxygen continuously owing to higher air circulation during burning, and is inflammable and difficult from putting out; Bring difficulty to fire extinguishing, be prone to cause the loss of property and personnel's injures and deaths.Construction material, furniture, insulation material, seat cushions and the interior material etc. of many applications of polyurethane foam plastics such as house, box room and movable dwellings all have fire-retardant requirement.
Add a certain amount of flame retardant and can reduce the danger and the order of severity that polyurethane product burns.
The fire retardant that extensively makes an addition in soft bubble and the hard-foam polyurethane at present is a halogenated flame retardant; The halogen flame of particularly chloride, bromine; Though the advantage of halogen flame be fire-retardant comparatively effectively and be widely used; But its topmost shortcoming is the time can generate a large amount of cigarettes and poisonous and acrid gas in burning, and like hydrogen halides 、 bioxin etc., the people sucks to cause easily being choked to death and dies; Some flourishing countries have begun to ban use of halogen flame to above-mentioned plastic products; Restriction has been made clearly about " two instructions " of environmental protection by European Union, and the German before this environment PAL of group forbid bromide and antimony oxide since nineteen ninety-five in the shell of electronic equipment, and Sweden TC095 is defined in electric and the electronic equipment every 25 plastic parts of restraining that surpass and all forbids organic bromide and organic chloride.
Summary of the invention
The purpose of this invention is to provide a kind of production method with a kind of modification fireproof heat insulating polyurethane foam board of the realization continuous automatic production that can form fireproof jointing sheath.
The objective of the invention is to realize like this: it includes: sheet metal uncoiler, sheet material forming press, mixing plant, bottler placer, swing type paint spray gun, make-up machine, cutting machine; Its production method is: start the uncoiler power supply during production earlier; The uncoiler upper plate is that sheet metal or flame resistant glass fiber aluminium foil cloth, lower plate are sheet metal; Sheet metal is gone into the sheet material heating apparatus and is heated through the forming press moulding is laggard, and temperature range is 30-38 ℃; Then; The isocyanates that will have the fire retardant and the polyether mixture of mixing among the bottler placer A of mixing plant and have among the bottler placer B of mixing plant pumps in the hybrid chamber that has agitating device at spray gun rear portion; On the following sheet metal after after fully mixing, being ejected into moulding by the swing type paint spray gun; Get into foaming in the foaming machine that has hot air circulation double-crawler type lamination conveyer again, blowing temperature is 35-40 ℃, and foamed time is 1-2 minute; Last, cutting machine is finished product according to the dimensional requirement of fireproof heated board after cutting again;
Said polyurethane foam is made up of following composition and parts by weight: polyethers:
1Part, isocyanates:
0. 7～1.1Part, fire retardant
: 0.32～0.6Part; Described fire retardant is: propyl phosphonic acid methyl ester, fire retardant
TCEP, fire retardant
TDCPPOr diethyl ethylphosphate (DEEP).
The polyurethane foam of the present invention after optimizing consisted of by following composition and parts by weight: polyethers:
1Part, isocyanates:
0. 8～1.0Part, fire retardant
: 0.45～0.5Part.
Air pressure in the polyether reactant jar of the present invention does
0.8-1.5kap
Because mixed material viscosity is bigger, foaming in material is injected in the foaming mould through spray gun.
Said cutting machine is used for cutting operating fireproof heated board, and the size that it limited is controlled through the time relay.
Because the present invention foams rapidly, it is bigger to add mixed material viscosity, and material fluidity is poor, and the spray material mode of shower nozzle is oscillatory scanning injecting type spraying of material or the even spraying of material that a plurality of jets are set.
Agitating device among the present invention in the hybrid chamber is a wolf's fang bar type agitating device, and the stirrer gear on the said wolf's fang bar type agitating device is the strip stirrer gear that has 5-25 degree inclination angle, is convenient to full-bodied material like this and fully mixes, and blowing ratio is high, uniform in foaming.
As required, described down sheet material or be flame resistant glass fiber aluminium foil cloth.
Also be provided with the trimmer that is used for shearing polyurethane foam foamed forming process expansion edge part in the rear end of foaming machine.
The present invention's advantage compared with prior art:
1, phosphonate ester based flame retardant compatibility is good, and when very easily running into flame with the inherent burning of the evenly miscible polymer in required interpolation fire retardant of physical state, its phosphide resolves into phosphoric acid one metaphosphoric acid one and gathers metaphosphoric acid.In decomposable process, producing the phosphoric acid layer. the heat-insulating protective layer that forms fixedness is covered in combustion front, has completely cut off hot conduction and oxygen and has supplied with, and impels burning to stop.Can promote the polymer combustion decomposition to carry out to carbonization because gather metaphosphoric acid again, and generate a certain amount of water, thereby help stoping burning, therefore being added on has good flame-retardant effect on the polyurethane.
2, with the resulting modified polyurethane foam of method of the present invention; This fire retardant has the few characteristics of consumption; Modified polyurethane foam is in the conventional urethane foam, to add the flame retardant compound with circulus; Make polyurethane foam improve anti-flammability and hear resistance widely, simultaneously, greatly reduced the toxicity of foam release smog.This research and development achievement makes modified polyurethane foam have performances such as not only energy-saving heat preserving but also the low-carbon (LC) of fire safety, low cigarette, low toxicity, the difficult combustion of B1 level.
3, because the selected material of the present invention has high viscosity, be 1000～1200
MPa.sAdopt traditional agitating device to realize, the present invention has adopted wolf's fang bar type agitating device, and the stirrer gear on the wolf's fang bar type agitating device is the strip stirrer gear that has 5-25 degree inclination angle; Make the material under above-mentioned viscosity be able to abundant mixing, realize the object of the invention.
Characteristics such as 4, the present invention also has the production continuous and automatic, and technology is simple, and cost is low, and range of application is wide, and the life-span is long.
Description of drawings
Fig. 1 is the technological process simplified schematic diagram of the automatic tinuous production of the present invention;
Fig. 2 is that the present invention pours into spray coating foaming system architecture simplified schematic diagram;
Fig. 3 is the another kind of technological process simplified schematic diagram of tinuous production automatically of the present invention;
Fig. 4 is the technological process simplified schematic diagram of the third automatic tinuous production of the present invention.
To do further explain to the present invention through instance below, but following instance only is a wherein example of the present invention, the rights protection scope of not representing the present invention and being limited, rights protection scope of the present invention is as the criterion with claims.
The specific embodiment
Embodiment 1:
Shown in Fig. 1-2,1 among the figure is lower metal sheet material uncoiler, and 2 is upper strata sheet metal uncoiler; 3 is upper strata sheet metal forming press, and 4 be lower metal sheet material forming press, and 5 is upper strata sheet metal and lower metal sheet material heating apparatus; 6 for having the bottler placer A of mixing plant, and 7 for having the bottler placer B of mixing plant, and 8 for having the foaming machine of hot air circulation double-crawler type lamination conveyer; 9 is cutting machine, and 10 is the roller frame.
Fig. 2 is a perfusion spray coating foaming system architecture simplified schematic diagram of the present invention, comprises the premixing tank 11 that fire retardant mixes with polyethers, through charging pump 22 fire retardant in the premixing tank 11 and polyether mixture is pumped among the bottler placer A; Among Fig. 2 13 is the isocyanates Raw material pail, and the isocyanates in this Raw material pail 13 pumps among the bottler placer B through charging pump 12; When holding product continuously; Raw material in bottler placer A and the bottler placer B will pump into by technological requirement in the hybrid chamber that has agitator 16 at horizontal cross swing type shower nozzle 17 rear portions through measuring pump 21 and measuring pump 20 respectively, on the following sheet material 18 after being ejected into moulding by horizontal cross swing type shower nozzle 17 after the abundant mixing.In addition, on hybrid chamber 16, also be communicated with cleaning fluid pipeline 14 and the compressed air line 15 that has valve respectively, 19 among Fig. 2 is the horizontal rocking equipment of shower nozzle.
Its concrete production method is: start the uncoiler power supply during production earlier; Start lower metal sheet material uncoiler 1 and upper strata sheet metal uncoiler 2 simultaneously; Sheet metal goes in the sheet material heating apparatus 5 to heat through forming press 3 moulding are laggard, and temperature range is controlled at 30-38 ℃; Then; The isocyanates that will have the fire retardant and the polyether mixture of mixing among the bottler placer A of mixing plant and have among the bottler placer B of agitator pumps in the hybrid chamber that has agitating device at spray gun rear portion; On the following sheet material after after fully mixing, being ejected into moulding by horizontal cross swing type shower nozzle; Get into foaming in the make-up machine again, blowing temperature is 35-40 ℃, and foamed time is 1-2 minute; Last control through the time relay according to the dimensional requirement of fireproof heated board again is fireproof heat insulating board finished product of the present invention after cutting machine cuts;
Agitating device in the hybrid chamber is: wolf's fang bar type agitating device, and the stirrer gear on the said wolf's fang bar type agitating device is for have the strip stirrer gear at 5-25 degree inclination angle in the same way; The inlet diameter that bottler placer A and bottler placer B get into hybrid chamber is 3-9cm.
Said polyurethane foam is made up of following composition and parts by weight: polyethers:
1Part, isocyanates:
0. 7～1.1Part, fire retardant
: 0.32～0.6Part; Described fire retardant is: diethyl ethylphosphate (DEEP).
Concrete input amount is: get earlier 50 kilograms of fire retardant diethyl ethylphosphates (DEEP) join among polyethers (in Beijing ten thousand contain polyurethane Co., Ltds produce) the bottler placer A of dress double centner; Air pressure in this bottler placer A is 0.8-1.5kap; It is subsequent use to be stirred to even back, 18-24 ℃ of its whipping temp; In bottler placer B, adding isocyanates (ten thousand contain polyurethane Co., Ltds product in Beijing) double centner is stirred to even back subsequent use.
This modified polyurethane hard bubble product is following through detecting its characteristics:
1) thermal conductivity factor low [testing result is 0.023w/ (m.k)], high insulating effect;
2) the difficult combustion of B1 level, oxygen index (OI) reaches more than 33.4%, has excellent fireproof performance;
3) the product water absorption rate is low, and intensity is good;
4) product unit weight is low, and is in light weight, is convenient to carrying and construction, alleviates labor strength, and the site operation cost is low;
5) be suitable for doing chromatic steel sandwich plate, wall thermal insulating etc.;
6) apparent density; 45 ~ 60 kg/m
3
7) oise insulation factor: 20 ~ 40 DB;
8) human body there is not harm, energy-conserving and environment-protective.
Embodiment 2:
Shown in Fig. 1-2, the structure (comprising Fig. 2 part) of this society's example is then identical with embodiment complete 1, structure that the Therefore, omited is relevant and concrete production method.
Concrete input amount is: get fire retardant earlier
TDCPP45 kilograms join among polyethers (in Beijing ten thousand contain polyurethane Co., Ltds produce) the bottler placer A of dress double centner; Air pressure in this bottler placer A is 0.8-1.5kap; Be stirred to evenly; 18-24 ℃ of its whipping temp adds isocyanates (ten thousand contain polyurethane Co., Ltds product in Beijing) and is stirred to even back subsequent use for 104 kilograms in bottler placer B.The material of above-mentioned mixing can be crossed shower nozzle adopt oscillatory scanning injecting type spraying of material in foaming mould, to foam, blowing temperature is 35-40 ℃, and foamed time is 1-2 minute, is the polyurethane foam board finished product.
This is identical through detecting its characteristics and aforementioned phase for this modified polyurethane hard bubble product, the Therefore, omited it.
Embodiment 3:
By shown in Figure 3,25 among the figure is the drum-type discharging device of flame resistant glass fiber aluminium foil cloth 24, and this flame resistant glass fiber aluminium foil cloth 24 is as the upper plate that forms polyurethane foam board; In addition, 23 among the figure is flame resistant glass fiber aluminium foil cloth 24 operation directive wheels.Other structure (comprising Fig. 2 part) is then identical with embodiment 1, structure that the Therefore, omited is relevant and concrete production method.
Concrete input amount is: get earlier the fire retardant propyl phosphonic acid methyl ester (number of patent application: 201010010147.0) 36 kilograms join among polyethers (in Beijing ten thousand contain polyurethane Co., Ltds produce) the bottler placer A of dress double centner; Air pressure in this bottler placer A is 0.8-1.5kap; Be stirred to evenly; 18-24 ℃ of its whipping temp adds isocyanates (ten thousand contain polyurethane Co., Ltds product in Beijing) and is stirred to even back subsequent use for 80 kilograms in bottler placer B; The material of above-mentioned mixing can be crossed shower nozzle adopt oscillatory scanning injecting type spraying of material in foaming mould, to foam, blowing temperature is 35-40 ℃, and foamed time is 1-2 minute, is the polyurethane foam finished product.
The soft bubble product of this modified polyurethane is following through detecting its characteristics:
1) thermal conductivity factor low [testing result is 0.025w/ (m.k)], high insulating effect;
2) the difficult combustion of B1 level, oxygen index (OI) reaches more than 34%, has excellent fireproof performance;
3) product unit weight is low, and is in light weight, is convenient to carrying and construction, alleviates labor strength, and the site operation cost is low;
4) be suitable for doing chromatic steel sandwich plate, cushion material etc.;
5) apparent density; 25 ~ 35 kg/m
3
6) oise insulation factor: 20 ~ 40 DB;
7) human body there is not harm, energy-conserving and environment-protective.
Embodiment 4:
By shown in Figure 4, the drum-type discharging device of 27 flame resistant glass fiber aluminium foil cloths 28 among the figure, this flame resistant glass fiber aluminium foil cloth 27 is as the lower plate that forms polyurethane foam board; And 25 be the drum-type discharging device of flame resistant glass fiber aluminium foil cloth 24, and this flame resistant glass fiber aluminium foil cloth 24 is as the upper plate that forms polyurethane foam boards; Among the figure 26 is for being used for shearing the trimmer of polyurethane foam foamed forming process expansion edge part.In addition, 23 among the figure is flame resistant glass fiber aluminium foil cloth 24 operation directive wheels.
The structure (comprising Fig. 2 part) of this society's example is then identical with embodiment complete 1, structure that the Therefore, omited is relevant and concrete production method.
Concrete input amount is: get fire retardant earlier
TCEP40 kilograms join among polyethers (in Beijing ten thousand contain polyurethane Co., Ltds produce) the bottler placer A of dress double centner; Air pressure in this bottler placer A is 0.8-1.5kap; Be stirred to evenly, 18-24 ℃ of its whipping temp adds isocyanates (ten thousand contain polyurethane Co., Ltds product in Beijing) and is stirred to even back subsequent use for 85 kilograms in bottler placer B; The material of above-mentioned mixing can be crossed shower nozzle adopts oscillatory scanning injecting type spraying of material in foaming mould, to foam; Blowing temperature is 35-40 ℃, and foamed time is 1-2 minute, is the polyurethane foam finished product.
The soft bubble product of this modified polyurethane is said identical with preceding embodiment 3 through detecting its characteristics, the Therefore, omited it.
Claims (10)
1. the production method of a modification fireproof heat insulating polyurethane foam board; It includes: sheet metal uncoiler, sheet material forming press, mixing plant, bottler placer, swing type paint spray gun, make-up machine, cutting machine; Its manufacturing technique method is: start the uncoiler power supply during production earlier; Sheet material is sheet metal or flame resistant glass fiber aluminium foil cloth on the uncoiler, sheet material is sheet metal down, and sheet metal is gone into the sheet material heating apparatus and heated through the forming press moulding is laggard, and temperature range is 30-38 ℃; Then; The isocyanates that will have the fire retardant and the polyether mixture of mixing among the bottler placer A of mixing plant and have among the bottler placer B of mixing plant pumps in the hybrid chamber that has agitating device at spray gun rear portion; On the following sheet material after after fully mixing, being ejected into moulding by the swing type paint spray gun; Get into foaming in the foaming machine that has hot air circulation double-crawler type lamination conveyer again, blowing temperature is 35-40 ℃, and foamed time is 1-2 minute; Last, cutting machine is finished product according to the dimensional requirement of fireproof heated board after cutting again;
Said polyurethane foam is made up of following composition and parts by weight: polyethers:
1Part, isocyanates:
0. 7～1.1Part, fire retardant
: 0.32～0.6Part; Described fire retardant is: propyl phosphonic acid methyl ester, fire retardant
TCEP, fire retardant
TDCPPOr diethyl ethylphosphate (DEEP).
2. the production method of modification fireproof heat insulating polyurethane foam board according to claim 1 is characterized in that: described polyurethane foam is made up of following composition and parts by weight: polyethers:
1Part, isocyanates:
0. 8～1.0Part, fire retardant
: 0.45～0.5Part.
3. the production method of modification fireproof heat insulating polyurethane foam board according to claim 1 is characterized in that: the size of cutting machine cutting fireproof heated board is controlled through the time relay.
4. the production method of modification fireproof heat insulating polyurethane foam board according to claim 3 is characterized in that: the air pressure in bottler placer A and the bottler placer B does
0.8-1.5kap
5. the production method of modification fireproof heat insulating polyurethane foam board according to claim 3 is characterized in that: polyurethane is to be injected to down in the foaming mould that forms between sheet material and the last sheet material through spray gun to foam.
6. the production method of modification fireproof heat insulating polyurethane foam board according to claim 5 is characterized in that: described shower nozzle is oscillatory scanning injecting type shower nozzle or the even spraying of material that a plurality of jets are set.
7. the production method of modification fireproof heat insulating polyurethane foam board according to claim 1; It is characterized in that: the agitating device in the hybrid chamber is a wolf's fang bar type agitating device, and the stirrer gear on the said wolf's fang bar type agitating device is the strip stirrer gear that has 5-25 degree inclination angle.
8. according to the production method of claim 1 or 7 described modification fireproof heat insulating polyurethane foam boards, it is characterized in that: the inlet diameter of hybrid chamber is 3-9cm.
9. the production method of modification fireproof heat insulating polyurethane foam board according to claim 1 is characterized in that: described down sheet material or be flame resistant glass fiber aluminium foil cloth.
10. according to the production method of claim 1 or 9 described modification fireproof heat insulating polyurethane foam boards, it is characterized in that: also be provided with the trimmer that is used for shearing polyurethane foam foamed forming process expansion edge part in the rear end of foaming machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110163405A CN102320100A (en) | 2011-06-17 | 2011-06-17 | Production method of modified fire-proof thermal-insulation polyurethane cystosepiment |
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|---|---|---|---|
| CN201110163405A CN102320100A (en) | 2011-06-17 | 2011-06-17 | Production method of modified fire-proof thermal-insulation polyurethane cystosepiment |
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| CN103009769A (en) * | 2012-12-06 | 2013-04-03 | 济南赛信机械有限公司 | Heating method of continuous laminator and heating device |
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| CN103009769B (en) * | 2012-12-06 | 2015-04-22 | 济南赛信机械有限公司 | Heating method of continuous laminator and heating device |
| CN104763119A (en) * | 2015-03-16 | 2015-07-08 | 烟台安祺板业有限公司 | Radiation-proof heat-insulation decorative integrated board |
| CN104802496A (en) * | 2015-03-19 | 2015-07-29 | 浙江泰科节能材料有限公司 | Rolling type film laminating device for geothermal foam board |
| CN105178537B (en) * | 2015-08-08 | 2017-09-05 | 山东信泰节能科技工程有限公司 | The full-automatic continuous producing apparatus of decorative heat-preservation plate |
| CN105178537A (en) * | 2015-08-08 | 2015-12-23 | 山东信泰节能科技工程有限公司 | Fully-automatic and continuous production equipment for decorative insulation board |
| CN106243691A (en) * | 2016-07-29 | 2016-12-21 | 神盾防火科技有限公司 | A kind of fire-retardant heat-insulation material for metallic insulation interlayer |
| CN106589279A (en) * | 2017-01-16 | 2017-04-26 | 东莞市沙田鸿驿鞋材厂 | Production method of graphene polyurethane agricultural machinery caterpillar track |
| CN106589279B (en) * | 2017-01-16 | 2021-03-16 | 广东鸿驿聚氨酯科技有限公司 | Production method of graphene polyurethane agricultural machinery track |
| CN107877767A (en) * | 2017-10-14 | 2018-04-06 | 佛山海格利德机器人智能设备有限公司 | A kind of environment-protecting polyurethane foamed material processing unit (plant) and processing method |
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