CN104725772A - Urea-formaldehyde foamed plastic for heat preservation and insulation and preparation method and apparatus thereof - Google Patents
Urea-formaldehyde foamed plastic for heat preservation and insulation and preparation method and apparatus thereof Download PDFInfo
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- CN104725772A CN104725772A CN201510150081.8A CN201510150081A CN104725772A CN 104725772 A CN104725772 A CN 104725772A CN 201510150081 A CN201510150081 A CN 201510150081A CN 104725772 A CN104725772 A CN 104725772A
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Abstract
The invention provides urea-formaldehyde foamed plastic for heat preservation and insulation and a preparation method and a preparation apparatus thereof. The urea-formaldehyde foamed plastic for heat preservation and insulation is composed of the following raw materials in percentage by mass: 40-45% of urea-formaldehyde resin, 46-50% of water, 0.4-0.5% of a surfactant, 2-3% of a curing agent, and the balance of inorganic filler. The preparation method comprises the following steps: diluting urea-formaldehyde resin, and stirring for completely dissolving the urea-formaldehyde resin so as to obtain raw material slurry, wherein the density of the raw material slurry can be arbitrarily adjusted as required; adding the surfactant into the raw material slurry; injecting the raw material slurry in which the surfactant is added into a foaming machine, and injecting the curing agent and inorganic filler into the foaming machine; and uniformly stirring the raw materials injected into the foaming machine so as to obtain a foaming body, and conveying the foaming body to a finished product box to cure and mold. The preparation apparatus comprises a raw material solution pool, a raw material delivery pump, an air pump, the foaming machine, a curing agent solution pool, a curing agent delivery pump, a filler pool, a filler pump, a finished product container, a motor and a stirring head.
Description
Technical field
The present invention relates to a kind of heat insulating urea-formaldehyde foamed plastics, preparation method and equipment, belong to urea-formaldehyde foamed plastics, preparation method and equipment technical field.
Background technology
Existing lagging material such as styrofoam, polyurethane sheet etc. all belong to inflammable substance, a large amount of poisonous and hazardous smog can be produced when burning, there is the shortcomings such as contaminate environment, also there is certain potential safety hazard, and necessary factorial praluction, can not cast-in-site, production unit require high, occupied ground large, contaminate environment, has certain infringement to processing and fabricating personnel are healthy.Need splice installation when using and installing, construction installation conditional request is high, also can produce the rubbish such as a large amount of leftover bits.
Summary of the invention
The object of the invention is to solve above-mentioned prior art Problems existing, namely existing lagging material such as styrofoam, polyurethane sheet etc. all belongs to inflammable substance, a large amount of poisonous and hazardous smog can be produced when burning, there is the shortcomings such as contaminate environment, also there is certain potential safety hazard, and must factorial praluction, can not cast-in-site, production unit requirement is high, occupied ground large, contaminate environment, has certain infringement to processing and fabricating personnel are healthy.And then a kind of heat insulating urea-formaldehyde foamed plastics, preparation method and equipment are provided.
The object of the invention is to be achieved through the following technical solutions:
A kind of heat insulating urea-formaldehyde foamed plastics: be that mineral filler forms by urea-formaldehyde resin 40 ~ 45%, water 46 ~ 50%, tensio-active agent 0.4 ~ 0.5%, solidifying agent 2 ~ 3% and surplus by mass percentage.
The preparation method of heat insulating urea-formaldehyde foamed plastics: be stirred to after 1, urea-formaldehyde resin being diluted to dissolve completely and make raw material slurry; 2, in above-mentioned raw materials slurry, tensio-active agent is added; 3, the raw material slurry adding tensio-active agent is injected in foaming machine process, in foaming machine, injects solidifying agent and mineral filler simultaneously; 4, be transported to solidifying and setting in finished product box after the raw material stirring be injected in foaming machine evenly obtains foam, namely obtain porous plastics.
A kind of equipment preparing heat insulating urea-formaldehyde foamed plastics, comprise: material solution pond, feedstock transportation pump, air pump, foaming machine, curing agent solution pond, solidifying agent transferpump, filler pond, packing pump, finished container, electric motor and stirring-head, described electric motor is arranged on the lower end of foaming machine, stirring-head is arranged on the bottom in foaming machine, stirring-head is connected with the output shaft of electric motor, the opening for feed of feedstock transportation pump is connected with material solution pond, the discharge port of feedstock transportation pump is connected with foaming machine, the air outlet of air pump is connected with foaming machine, the opening for feed of solidifying agent transferpump is connected with curing agent solution pond, the discharge port of solidifying agent transferpump is connected with foaming machine, the opening for feed of packing pump is connected with filler pond, the discharge port of packing pump is connected with foaming machine, finished container is connected with the bottom of foaming machine by carrier pipe.
The flame-retardant expanded lagging material of urea aldehyde be a kind of can the complete water base thermal insulation material of foaming at normal temp, main component is urea-formaldehyde resin and foaming emulsion, ensures that product has excellent heat-insulating property through formula and accurate technology controlling and process.
The flame-retardant expanded lagging material of urea aldehyde be a kind of can the complete water base thermal insulation material of foaming at normal temp, main component is urea-formaldehyde resin and foaming emulsion, ensures that product has excellent thermal and insulating performance and fire resistance (B1 level) through special formula and accurate technology controlling and process.This product is the revolutionary material of alternative styrofoam or extruded sheet etc., and flame retardant properties substantially exceeds styrofoam and extruded sheet, suitable with phenolic resin foam, but to compare with polyurethane foam with phenolic resin foam and have incomparable superiority of effectiveness.
Particularly remarkable cost performance can make it have the sandwich heat preserving wall system being widely used in buildings, the environment thermal insulation structures such as roof heat insulation and industrial pipeline, storage tank, freezer.This product Free Aldehyde content after testing, meets national standard, meets the requirement of environmental protection.
The flame-retardant expanded lagging material of urea aldehyde is the environment-friendly highly efficient lagging material of complete water base foaming, is made up of modified urea-formaldehyde resin and the two component liquid of expanding foam solution.Sprayed by foaming machine after mixing, shaping at about 15 seconds surface cures, obtain porous plastics.The performance index reached are: wet density 80-120kg/m
3, dry density 30-45kg/m
3, thermal conductivity 0.029 ~ 0.036W/mK, burning grade meets B1 level, all reaches relative national standards.
Below detected result:
1. apparent density kg/m
3, with reference to company standard 40 ~ 50, detected result 42.8;
2. thermal conductivity w/ (m.K)≤0.036, detected result 0.033, high insulating effect;
3. water vapour transmission coefficient ng/ (pams)-, detected result 27.6;
4. flame retardant properties B1 level, flame retardant properties is good;
Product application scope:
1. hollow building blocks for outer wall brick heat insulating stuffing is widely used in, sandwich wall structure thermal insulation layer;
2. building precast component thermal insulation layer is widely used in;
3. for thermal insulation layer under changes in temperature storehouse or extreme cold condition;
4. for various [underground hole (heat insulating work etc. of being correlated with as subway) thermal insulation layer;
5. agricultural greenhouse booth thermal insulation etc.
The application advantage of foam-in-place and mill work:
1. without the need to follow-up maintenance.The flame-retardant expanded lagging material of New Type Urea aldehyde be in sandwich wall is not subject to the impact of any environment, and its heat-insulating property is lasting, and foam-in-place, is formed heat insulation integrated, and through integrated poured construction, once shaped, does not stay seam and dead angle, blocks the generation of heat bridge.Really accomplish heat insulation system and building same life-span, exempt the trouble and worry of follow-up maintenance.
2. heat preservation energy-saving is integrated with fire prevention.This technique successfully solves public security, firmly builds " covil construction outer heat preservation system and decoration of exterior wall fire prevention temporary provisions " (public logical No. [2009] 46, word) restriction to architecture exterior wall insulating materials use.
3. product function variation is by the thickness of adjustment interlayer, meets the energy saving requirement of different areas in all parts of the country.
4. living safety secretization can use various materials for wall to form sandwich wall, accomplishes tolerant noise-insulating warm-keeping integration, makes life more secret.
5. decoration of exterior wall variation broken high-rise Surgery therapy facing can not the taboo of tiling, meet the demand that various finishing material is plug-in.
6. architectural prefab batch production is by the customization of mill work, is the only way realizing the industrialization of energy saving building component.
Construction process:
1. foaming machine is poured into a mould tube head and be directly inserted into work layer in sandwich wall, the porous plastics prepared is injected in interlayer simultaneously, initially be in a liquid state and have mobility, the foams of formation flow freely into filling reserving space and at 15 seconds internal surface solidifications, in 30 minutes, entirety can go up intensity.
2. in the inner side of building complete sandwich wall by laying bricks or stones, according to the distance of pitch-row 1 meter to 1.5 meters, at building wall mortar joint place, boring forms netted hole, and hole diameter is 18mm-20mm.
3. clear up the foam of hole overflow and use sand-cement slurry shutoff.
Componded binder foam construction point:
1. urea-formaldehyde foamed plastics outstanding advantages is good flame resistance.When being applied in storage tanker, when there is Complex Different Shape body structure in pipeline, cold insulation heating equipment, all can realize seamless integrated poured, not stay dead angle.
2. during big area roof heat preservation construction, partition need be beaten with plank, in partition, progressively complete pouring practice, final formation insulation foamed plastic globality.
Equipment of the present invention can be integrated on a car, directly produces urea-formaldehyde foamed plastics to working-yard.The urea-formaldehyde foamed plastics that present device is produced, can as fields such as the insulations of the bodies of wall such as general civil building, building prefabricated components, steel construction, movable plank house, industrial premises or roofing heat-insulating layer and freezer, vegetable greenhouse.It can be filled into the Anomalistic space of any complexity, convenient and swift, and production efficiency is high, free from environmental pollution, HUMAN HEALTH is not damaged, really achieves seamless cast, avoid the generation of heat bridge, ensure that the integral heat insulation effect of buildings, the same life-span with buildings can be accomplished.Operation of equipment of the present invention is simple, and comprehensive cost is cheap, and the waste material of institute's output can use in recirculation.
Accompanying drawing explanation
Fig. 1 is the device structure schematic diagram that the present invention prepares heat insulating urea-formaldehyde foamed plastics.
Reference numeral in figure, 1 is material solution pond, and 2 is feedstock transportation pump, and 3 is air pump, and 4 is filtration unit, 5 is foaming machine, and 6 is curing agent solution pond, and 7 is solidifying agent transferpump, and 8 is filler pond, 9 is packing pump, and 10 is finished container, and 11 is electric motor, and 12 is stirring-head.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail: the present embodiment is implemented under premised on technical solution of the present invention, gives detailed embodiment, but protection scope of the present invention is not limited to following embodiment.
A kind of heat insulating urea-formaldehyde foamed plastics: be that mineral filler forms by urea-formaldehyde resin 40 ~ 45%, water 46 ~ 50%, tensio-active agent 0.4 ~ 0.5%, solidifying agent 2 ~ 3% and surplus by mass percentage.
A kind of heat insulating urea-formaldehyde foamed plastics: be that mineral filler forms by urea-formaldehyde resin 41 ~ 44%, water 47 ~ 49%, tensio-active agent 0.41 ~ 0.49%, solidifying agent 2.2 ~ 2.8% and surplus by mass percentage.
A kind of heat insulating urea-formaldehyde foamed plastics: be that mineral filler forms by urea-formaldehyde resin 43%, water 48%, tensio-active agent 0.45%, solidifying agent 2.5% and surplus by mass percentage.
Described tensio-active agent is sodium lauryl sulphate, bicarbonate of ammonia, polyoxyethylenated alcohol sodium sulfate, the combination of dibutyl sodium dinaphthalenesulfonate, Seconary Alkane Sulphonate Sodium, diisobutyl naphthalene sodium sulfate, Sodium dodecylbenzene sulfonate wherein one or more.
Described solidifying agent is the combination of phosphoric acid, oxalic acid, phthalic acid, phenylformic acid wherein one or more.
Described mineral filler is the combination of calcium carbonate, gypsum, flyash, Calucium Silicate powder wherein one or more.
The preparation method of heat insulating urea-formaldehyde foamed plastics: 1, urea-formaldehyde resin is stirred to after dilution dissolving completely and makes raw material slurry; 2, in above-mentioned raw materials slurry, tensio-active agent is added; 3, the raw material slurry adding tensio-active agent is injected in foaming machine process, in foaming machine, injects solidifying agent and mineral filler simultaneously; 4, be transported to solidifying and setting in finished product box after the raw material stirring be injected in foaming machine evenly obtains foam, namely obtain porous plastics.
As shown in Figure 1, a kind of equipment preparing heat insulating urea-formaldehyde foamed plastics, comprise: material solution pond 1, feedstock transportation pump 2, air pump 3, foaming machine 5, curing agent solution pond 6, solidifying agent transferpump 7, filler pond 8, packing pump 9, finished container 10, electric motor 11 and stirring-head 12, described electric motor 11 is arranged on the lower end of foaming machine 5, stirring-head 12 is arranged on the bottom in foaming machine 5, stirring-head 12 is connected with the output shaft of electric motor 11, the opening for feed of feedstock transportation pump 2 is connected with material solution pond 1, the discharge port of feedstock transportation pump 2 is connected with foaming machine 5, the air outlet of air pump 3 is connected with foaming machine 5, the opening for feed of solidifying agent transferpump 7 is connected with curing agent solution pond 6, the discharge port of solidifying agent transferpump 7 is connected with foaming machine 5, the opening for feed of packing pump 9 is connected with filler pond 8, the discharge port of packing pump 9 is connected with foaming machine 5, finished container 10 is connected by the bottom of carrier pipe with foaming machine 5.
Further, heat insulating urea-formaldehyde foamed plastics, preparation method and equipment also comprise filtration unit 4, the inlet end of described filtration unit 4 is connected with the air outlet of air pump 3 with the discharge port of feedstock transportation pump 2 respectively, and the exit end of filtration unit 4 is connected with foaming machine 5.
The above; be only the present invention's preferably embodiment; these embodiments are all based on the different implementations under general idea of the present invention; and protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (9)
1. a heat insulating urea-formaldehyde foamed plastics: it is characterized in that is that mineral filler forms by urea-formaldehyde resin 40 ~ 45%, water 46 ~ 50%, tensio-active agent 0.4 ~ 0.5%, solidifying agent 2 ~ 3% and surplus by mass percentage.
2. heat insulating urea-formaldehyde foamed plastics according to claim 1, it is characterized in that, be that mineral filler forms by urea-formaldehyde resin 41 ~ 44%, water 47 ~ 49%, tensio-active agent 0.41 ~ 0.49%, solidifying agent 2.2 ~ 2.8% and surplus by mass percentage.
3. heat insulating urea-formaldehyde foamed plastics according to claim 1, is characterized in that, is that mineral filler forms by mass percentage by urea-formaldehyde resin 43%, water 48%, tensio-active agent 0.45%, solidifying agent 2.5% and surplus.
4. heat insulating urea-formaldehyde foamed plastics according to claim 1, it is characterized in that, described tensio-active agent is sodium lauryl sulphate, bicarbonate of ammonia, polyoxyethylenated alcohol sodium sulfate, the combination of dibutyl sodium dinaphthalenesulfonate, Seconary Alkane Sulphonate Sodium, diisobutyl naphthalene sodium sulfate, Sodium dodecylbenzene sulfonate wherein one or more.
5. heat insulating urea-formaldehyde foamed plastics according to claim 1, is characterized in that, described solidifying agent is the combination of phosphoric acid, oxalic acid, phthalic acid, phenylformic acid wherein one or more.
6. heat insulating urea-formaldehyde foamed plastics according to claim 1, is characterized in that, described mineral filler is the combination of calcium carbonate, gypsum, flyash, Calucium Silicate powder wherein one or more.
7. the preparation method of heat insulating urea-formaldehyde foamed plastics described in a claim 1,2,3,4,5 or 6: it is characterized in that, 1, by urea-formaldehyde resin dilute after be stirred to completely dissolve make raw material slurry; 2, in above-mentioned raw materials slurry, tensio-active agent is added; 3, the raw material slurry adding tensio-active agent is injected in foaming machine process, in foaming machine, injects solidifying agent and mineral filler simultaneously; 4, be transported to solidifying and setting in finished product box after the raw material stirring be injected in foaming machine evenly obtains foam, namely obtain porous plastics.
8. the equipment that the method that a claim 7 prepares heat insulating urea-formaldehyde foamed plastics uses, comprise: material solution pond (1), feedstock transportation pump (2), air pump (3), foaming machine (5), curing agent solution pond (6), solidifying agent transferpump (7), filler pond (8), packing pump (9), finished container (10), electric motor (11) and stirring-head (12), it is characterized in that, described electric motor (11) is arranged on the lower end of foaming machine (5), stirring-head (12) is arranged on the bottom in foaming machine (5), stirring-head (12) is connected with the output shaft of electric motor (11), the opening for feed of feedstock transportation pump (2) is connected with material solution pond (1), the discharge port of feedstock transportation pump (2) is connected with foaming machine (5), the air outlet of air pump (3) is connected with foaming machine (5), the opening for feed of solidifying agent transferpump (7) is connected with curing agent solution pond (6), the discharge port of solidifying agent transferpump (7) is connected with foaming machine (5), the opening for feed of packing pump (9) is connected with filler pond (8), the discharge port of packing pump (9) is connected with foaming machine (5), finished container (10) is connected by the bottom of carrier pipe with foaming machine (5).
9. the equipment preparing heat insulating urea-formaldehyde foamed plastics according to claim 8, it is characterized in that, heat insulating urea-formaldehyde foamed plastics, preparation method and equipment also comprise filtration unit (4), the inlet end of described filtration unit (4) is connected with the air outlet of air pump (3) with the discharge port of feedstock transportation pump (2) respectively, and the exit end of filtration unit (4) is connected with foaming machine (5).
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| CN201510150081.8A CN104725772B (en) | 2015-04-01 | 2015-04-01 | The preparation method of insulation UF foamed plastics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110938271A (en) * | 2019-09-26 | 2020-03-31 | 上海稀点新材料科技有限公司 | Organic-inorganic composite heat-insulating material with nano porous structure and preparation method thereof |
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| CN1736936A (en) * | 2005-07-27 | 2006-02-22 | 刘兴国 | Urea-formaldehyde foam plastic heat-insulating board and its preparation method |
| CN101029164A (en) * | 2007-03-09 | 2007-09-05 | 刘兴国 | Urea-resin foaming thermal-insulating composite powder, the synthetic board therewith and method |
| CN102001148A (en) * | 2010-10-25 | 2011-04-06 | 北京市农林科学院 | Urea-formaldehyde resin foaming and mixing device |
| CN203264640U (en) * | 2013-06-12 | 2013-11-06 | 齐齐哈尔大学 | Pneumatic stirring and mixing device for composite foaming material |
| CN204487927U (en) * | 2015-04-01 | 2015-07-22 | 北京安德潍嘉科技有限公司 | Prepare the equipment of insulation UF foamed plastics |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1736936A (en) * | 2005-07-27 | 2006-02-22 | 刘兴国 | Urea-formaldehyde foam plastic heat-insulating board and its preparation method |
| CN101029164A (en) * | 2007-03-09 | 2007-09-05 | 刘兴国 | Urea-resin foaming thermal-insulating composite powder, the synthetic board therewith and method |
| CN102001148A (en) * | 2010-10-25 | 2011-04-06 | 北京市农林科学院 | Urea-formaldehyde resin foaming and mixing device |
| CN203264640U (en) * | 2013-06-12 | 2013-11-06 | 齐齐哈尔大学 | Pneumatic stirring and mixing device for composite foaming material |
| CN204487927U (en) * | 2015-04-01 | 2015-07-22 | 北京安德潍嘉科技有限公司 | Prepare the equipment of insulation UF foamed plastics |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110938271A (en) * | 2019-09-26 | 2020-03-31 | 上海稀点新材料科技有限公司 | Organic-inorganic composite heat-insulating material with nano porous structure and preparation method thereof |
| CN110938271B (en) * | 2019-09-26 | 2021-10-01 | 上海稀点新材料科技有限公司 | Organic-inorganic composite heat-insulating material with nano porous structure and preparation method thereof |
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Effective date of registration: 20170830 Address after: 150001 No. 177 east straight street, Nangang District, Heilongjiang, Harbin Applicant after: Zhu Qiyun Address before: 100080 Haidian District, Suzhou Street, No. 120, Jun Jun building, room B, block, room 75 Applicant before: Beijing An De Wei Jia Science and Technology Ltd. |
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