CN102883477B - A kind of electric boiling plate and preparation method thereof - Google Patents
A kind of electric boiling plate and preparation method thereof Download PDFInfo
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- CN102883477B CN102883477B CN201210395593.7A CN201210395593A CN102883477B CN 102883477 B CN102883477 B CN 102883477B CN 201210395593 A CN201210395593 A CN 201210395593A CN 102883477 B CN102883477 B CN 102883477B
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Abstract
The invention provides a kind of electric boiling plate and preparation method thereof, this electric boiling plate comprises zone of heating and is arranged at the flame-retardant layer of described zone of heating both sides respectively, and described flame-retardant layer is made up of the fire retardant of 10 ~ 15 weight portions and the cross-linking polyethylene materials of 80 ~ 85 weight portions.Compared with the electric boiling plate be mixed with resin in prior art, cement and asbestos, the present invention adopts cross-linking polyethylene materials and fire retardant to make electric boiling plate.First, cross-linking polyethylene materials toughness is better, and not frangibility, makes the intensity of electric boiling plate be improved; Secondly, cross-linking polyethylene materials is moistureproof, asepsis environment-protecting, and resistance to piglet bites, and not easily produces dust-like material; Again, add fire retardant, solve the shortcoming that cross-linking polyethylene materials is inflammable, make electric boiling plate of the present invention have fire-retardant effect.
Description
Technical field
The invention belongs to electric calorifie installation technical field, particularly relate to a kind of electric boiling plate and preparation method thereof.
Background technology
Along with the development of national economy, improving constantly of living standards of the people, the ratio of livestock breeding industry in agricultural production constantly increases, and wherein feeding live pig occupied sizable scale already in livestock breeding industry.Piglet is after autumn and winter is nascent, small, body surface area is larger, lack again simultaneously dense by hair and subcutaneous fat undeveloped, the hormone control insufficiency of energy i (in vivo) under-reserve and energetic supersession, therefore piglet is very responsive to the decline of ambient temperature, is in low temperature environment to put question to scatter and disappear very fast and recover slower.Piglet optimum temperature within 6 hours postpartum is about 35 DEG C, is 32 DEG C ~ 34 DEG C in 2 days, can be down to 25 DEG C gradually after 7 ages in days from 30 DEG C.
Traditional heating method is for burning a heatable brick bed, but it can not continuous heating, and temperature is wayward.Electric hot plate is usually adopted now to warm oneself.Electric boiling plate is a kind ofly become by converting electric energy heat energy with the device of heating object, is a kind of form of utilization of power.Compared with heating with general fuel, electric heating can obtain higher temperature, and is easy to the automatic control and the far distance controlled that realize temperature, and also can make the Temperature Distribution that heating object keeps certain as required.
At present, raising unit or the individual electric boiling plate of a kind of resin, cement and asbestos mixing manufacture that adopts per capita are for piglet heat-insulation.The preparation technology of this electric boiling plate is mainly: by asbestos cloth lay in container, is placed on by electric heater unit on asbestos cloth, then pours into the epoxy resin cement mixed, and leaves standstill, and after resin to be mixed is firmly solid, can obtain electric boiling plate.But because epoxy resin toughness is lower, be easy to fracture; For reducing costs and the cement added, easily cause electric boiling plate loss of properties on aging; And asbestos easily to be bitten formation asbestos dust by piggy, breathe with piglet and enter lung, cause piglet sick even dead; Meanwhile, easily produce bubble, thus cause electrical heating wire ingress of air in this preparation technology's production process, oxidized in heating process, useful life reduces.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of electric boiling plate and preparation method thereof, and this electric boiling plate intensity is higher and ageing-resistant performance is better.
The invention provides a kind of electric boiling plate, comprise zone of heating and be arranged at the flame-retardant layer of described zone of heating both sides respectively, described flame-retardant layer is made up of the fire retardant of 10 ~ 15 weight portions and the cross-linking polyethylene materials of 85 ~ 80 weight portions.
Preferably, also comprise the protective layer be arranged on described flame-retardant layer, described protective layer is made up of cross-linking polyethylene materials.
Preferably, described fire retardant is decabromodiphenyl oxide and/antimonous oxide, ratio 3:1.
Preferably, described cross-linking polyethylene materials is made up of the filler of the polyethylene of 100 weight portions, the organic peroxide of 0.3 ~ 0.6 weight portion and 5 ~ 15 weight portions.
Preferably, described organic peroxide is cumyl peroxide.
Preferably, described filler is talcum powder.
Preferably, described cross-linking polyethylene materials is made up of the assistant crosslinking agent of the polyethylene of 100 weight portions, the organic peroxide of 0.3 ~ 0.6 weight portion, the filler of 5 ~ 15 weight portions and 0.3 ~ 0.6 weight portion.
Preferably, described assistant crosslinking agent is iso-cyanuric acid triallyl ester or triallyl cyanurate.
Present invention also offers a kind of preparation method of electric boiling plate, comprise the following steps:
A) fire retardant of cross-linking polyethylene materials and 10 ~ 15 weight portions is stirred, be squeezed into flame-retardant layer sheet material;
B) zone of heating is placed between two-layer described flame-retardant layer sheet material, adds hot pressing, obtain electric boiling plate.
Preferably, also comprise:
After adding hot pressing, place protective layer sheet material in both sides, carry out adding hot pressing, described protective layer sheet material is made up of cross-linking polyethylene materials.
The invention provides a kind of electric boiling plate and preparation method thereof, this electric boiling plate comprises zone of heating and is arranged at the flame-retardant layer of described zone of heating both sides respectively, and described flame-retardant layer is made up of the fire retardant of 10 ~ 15 weight portions and the cross-linking polyethylene materials of 85 ~ 80 weight portions.Compared with the electric boiling plate be mixed with resin in prior art, cement and asbestos, the present invention adopts cross-linking polyethylene materials and fire retardant to make electric boiling plate.First, cross-linking polyethylene materials toughness is better, and not frangibility, makes the intensity of electric boiling plate be improved; Secondly, cross-linking polyethylene materials is moistureproof, asepsis environment-protecting, and resistance to piglet bites, and not easily produces dust-like material; Again, add fire retardant, solve the shortcoming that cross-linking polyethylene materials is inflammable, make electric boiling plate of the present invention have fire-retardant effect.
Experimental result shows, electric boiling plate of the present invention is in the At The Height free fall of 3m, and surface is flawless also.
Accompanying drawing explanation
Fig. 1 is the sectional view of electric boiling plate prepared by the invention process 2.
Embodiment
The invention provides a kind of electric boiling plate, this electric boiling plate comprises zone of heating and is arranged at the flame-retardant layer of described zone of heating both sides respectively, described flame-retardant layer is made up of the fire retardant of 10 ~ 15 weight portions and the cross-linking polyethylene materials of 85 ~ 80 weight portions, wherein, described fire retardant is preferably 12 ~ 15 weight portions, and described cross-linking polyethylene materials is preferably 82 ~ 85 weight portions.Described zone of heating is heater well known to those skilled in the art, is preferably resistance wire.
Wherein, described fire retardant is fire retardant well known to those skilled in the art, there is no special restriction, for cost-saving, can add cheap fire retardant, preferably adopts decabromodiphenyl oxide and/antimonous oxide in the present invention.Its effect solves the inflammable shortcoming of cross-linking polyethylene materials, makes electric hot plate of the present invention have fire-retardant effect.
Described cross-linking polyethylene materials is made up of the filler by the polyethylene of 100 weight portions, the organic peroxide of 0.3 ~ 0.6 weight portion and 5 ~ 15 weight portions, and its preparation method is preparation method well known to those skilled in the art, there is no special restriction.Cross-linking polyethylene materials toughness is better, not frangibility, and improve the intensity of electric boiling plate, and it also has the advantage of protection against the tide, asepsis environment-protecting, resistance to piglet bites, and not easily produces dust-like material.
Described organic peroxide is preferably 0.35 ~ 0.55 weight portion, is more preferably 0.4 ~ 0.5 weight portion.Organic peroxide described in the present invention is chemical cross-linking agent, is chemical cross-linking agent well known to those skilled in the art, there is no special restriction.For cost-saving, the present invention preferably adopts cumyl peroxide.Its effect makes to form network structure between polyethylene molecule, and then make the serviceability temperature of macromolecular material improve about 20 DEG C, also makes the intensity of macromolecular material improve one times nearly simultaneously.
Described filler is preferably 8 ~ 12 weight portions, is more preferably 9 ~ 10 weight portions.Described filler is filler well known to those skilled in the art, there is no special restriction.The present invention is preferably using talcum powder as filler, and its effect is the cost reducing electric boiling plate, the intensity of electric boiling plate also can be made to be improved simultaneously.
Preferably also comprise the assistant crosslinking agent of 0.3 ~ 0.6 weight portion according to the raw materials of crosslinked polyethylene of the present invention, be preferably 0.35 ~ 0.55 weight portion, be more preferably 0.4 ~ 0.5 weight portion.Described assistant crosslinking agent is assistant crosslinking agent well known to those skilled in the art, there is no special restriction.In the present invention preferably with iso-cyanuric acid triallyl ester or triallyl cyanurate for assistant crosslinking agent, be more preferably iso-cyanuric acid triallyl ester, its effect act synergistically with crosslinking agent, the degree of cross linking of further enhancing crosslinking agent.
In the present invention, described electric boiling plate preferably also comprises the protective layer be arranged on described flame-retardant layer, and described protective layer is made up of cross-linking polyethylene materials.The preparation method of described cross-linking polyethylene materials is described identical with upper, does not repeat them here.Described protective layer containing fire retardant, can not reduce the cost of electric boiling plate.
For reaching instructions for use, the thickness of described electric boiling plate need be more than or equal to 8mm, and product is not easily bent, and sizing better.When electric boiling plate only comprises zone of heating and flame-retardant layer, the thickness of flame-retardant layer is at least 4mm respectively.In order to reduce costs; also possesses fire-retardant total use simultaneously; electric boiling plate of the present invention preferably also comprises the protective layer be arranged on described flame-retardant layer; now; the thickness of described flame-retardant layer is respectively 1 ~ 3mm; the thickness of described protective layer is determined by flame-retardant layer thickness, makes electric boiling plate gross thickness be more than or equal to 8mm.
Present invention also offers a kind of preparation method of electric boiling plate, comprise the following steps: A) fire retardant of cross-linking polyethylene materials and 10 ~ 15 weight portions is stirred, be squeezed into flame-retardant layer sheet material; B) zone of heating is placed between two-layer described flame-retardant layer sheet material, adds hot pressing, obtain electric boiling plate.
Be specially according to steps A of the present invention: the fire retardant of the organic peroxide of the polyethylene of 100 weight portions, 0.3 ~ 0.6 weight portion, the filler of 5 ~ 15 weight portions and 10 ~ 15 weight portions is stirred, be squeezed into flame-retardant layer sheet material, preferred employing plastic extruder extrudes, described extruding condition is condition well known to those skilled in the art, there is no special restriction, the temperature of preferred described extruding is 115 DEG C ~ 125 DEG C.The assistant crosslinking agent of 0.3 ~ 0.6 weight portion is preferably also added in the present invention.Described organic peroxide, filler, fire retardant and assistant crosslinking agent are same as above, do not repeat them here.
In described step B, zone of heating is electric heating device well known to those skilled in the art, be preferably resistance wire, describedly add hot pressing and preferably adopt hydraulic press to carry out, the described condition adding hot pressing is temperature and pressure well known to those skilled in the art, there is no special restriction, the described temperature adding hot pressing is preferably 145 DEG C ~ 155 DEG C, and pressure is preferably 3 ~ 6MPa, is more preferably 4 ~ 5MPa.
In the present invention, after zone of heating and fire-retardant sheet material carry out adding hot pressing, place protective layer sheet material in its both sides, carry out adding hot pressing, described protective layer is made up of cross-linking polyethylene materials.The described condition adding hot pressing is temperature and pressure well known to those skilled in the art, there is no special restriction, described in add hot pressing temperature be preferably 145 DEG C ~ 155 DEG C, pressure is preferably 3 ~ 6MPa, is more preferably 4 ~ 5MPa.
The preparation process of described protective layer is specially: the organic peroxide of the polyethylene of 100 weight portions, 0.3 ~ 0.6 weight portion and the filler of 5 ~ 15 weight portions are stirred; be squeezed into protective layer sheet material; preferred employing plastic extruder extrudes; described extruding condition is condition well known to those skilled in the art; there is no special restriction, the temperature of preferred described extruding is 115 DEG C ~ 125 DEG C.The assistant crosslinking agent of 0.3 ~ 0.6 weight portion is preferably also added in the present invention.Described organic peroxide, filler and assistant crosslinking agent are same as above, do not repeat them here.
The thickness of described flame-retardant layer sheet material and protective layer sheet material, with described flame-retardant layer is identical with the thickness of protective layer above, does not repeat them here.
The present invention obtains electric boiling plate by adding hot pressing, not easily produces bubble in process of production, avoids the possibility that zone of heating contacts with air, improves the useful life of electric boiling plate.
In order to further illustrate the present invention, below in conjunction with embodiment, a kind of electric boiling plate provided by the invention and preparation method thereof is described in detail.
In following examples, agents useful for same is commercially available.
Embodiment 1
The fire retardant of the iso-cyanuric acid triallyl ester of the cumyl peroxide of the polyethylene of 100 weight portions, 0.4 weight portion, 0.5 weight portion, the talcum powder of 10 weight portions and 20 weight portions to add in blending bunker and stirs by 1.1, is squeezed into through plastic extruder the flame-retardant layer sheet material that thickness is 4mm under the condition of 115 DEG C.
Resistance wire to be placed between the flame-retardant layer sheet material that obtains in two panels 1.1 by 1.2, fixes position, puts into mould, through hydraulic press 150 DEG C, add hot pressing under the condition of 3.5MPa, obtain electric boiling plate.
By the electric boiling plate that obtains in 1.2 in the At The Height free fall of 3m, surface flawless, show that the intensity of this electric boiling plate is higher.
Utilize universal meter to test the electric boiling plate obtained in 1.2, obtain test result and show that this electric boiling plate is anticreep.
Vertically burnt with burning things which may cause a fire disaster by the electric boiling plate obtained in 1.2, after burning things which may cause a fire disaster leaves, this electric boiling plate can put out certainly, shows that it has fire-retardant effect.
The electric boiling plate obtained in 1.2 is placed on wetland, tests its surface and there is no moisture, show that it has moistureproof effect.
The electric boiling plate upper cover last layer cotton-wadded quilt obtained in 1.2, is placed in cotton-wadded quilt by thermometer, and by this electric boiling plate heating 30min, temperature remains on 25 DEG C ~ 35 DEG C.
Embodiment 2
The fire retardant of the iso-cyanuric acid triallyl ester of the cumyl peroxide of the polyethylene of 100 weight portions, 0.4 weight portion, 0.5 weight portion, the talcum powder of 10 weight portions and 20 weight portions to add in blending bunker and stirs by 2.1, is squeezed into through plastic extruder the flame-retardant layer sheet material that thickness is 2mm under the condition of 115 DEG C.
The talcum powder of the cumyl peroxide of the polyethylene of 100 weight portions, 0.4 weight portion, the iso-cyanuric acid triallyl ester of 0.5 weight portion and 10 weight portions to add in blending bunker and stirs by 2.2, is squeezed into through plastic extruder the protective layer sheet material that thickness is 2mm under the condition of 115 DEG C.
Resistance wire to be placed between the flame-retardant layer sheet material that obtains in two panels 2.1 by 2.3, fixes position, puts into mould, through hydraulic press 150 DEG C, add hot pressing under the condition of 3.5MPa, obtain electric heat generating component.
The electric heat generating component obtained in 2.3 to be placed in the protective layer sheet material that two panels 2.2 obtains by 2.4, fixes position, puts into mould, through hydraulic press 90 DEG C, add hot pressing under the condition of 3.5MPa, obtain electric boiling plate, its sectional view is as shown in Figure 1.
Embodiment 3
The fire retardant of the iso-cyanuric acid triallyl ester of the cumyl peroxide of the polyethylene of 100 weight portions, 0.4 weight portion, 0.5 weight portion, the talcum powder of 10 weight portions and 20 weight portions to add in blending bunker and stirs by 3.1, is squeezed into through plastic extruder the flame-retardant layer sheet material that thickness is 3mm under the condition of 115 DEG C.
The talcum powder of the cumyl peroxide of the polyethylene of 100 weight portions, 0.4 weight portion, the iso-cyanuric acid triallyl ester of 0.5 weight portion and 10 weight portions to add in blending bunker and stirs by 3.2, is squeezed into through plastic extruder the protective layer sheet material that thickness is 2mm under the condition of 115 DEG C.
Resistance wire to be placed between the flame-retardant layer sheet material that obtains in two panels 3.1 by 3.3, fixes position, puts into mould, through hydraulic press 150 DEG C, add hot pressing under the condition of 3.5MPa, obtain electric heat generating component.
The electric heat generating component obtained in 3.3 to be placed in the protective layer sheet material that two panels 3.2 obtains by 3.4, fixes position, puts into mould, through hydraulic press 150 DEG C, add hot pressing under the condition of 3.5MPa, obtain electric boiling plate.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the electric boiling plate that bites of a resistance to piglet, it is characterized in that, comprise the zone of heating containing electrical heating wire and be arranged at the flame-retardant layer of described zone of heating both sides respectively, described flame-retardant layer is made up of the fire retardant of 10 ~ 15 weight portions and the cross-linking polyethylene materials of 85-80 weight portion; Described crosslinked polyethylene is peroxide crosslinked polyethylene;
Also comprise the protective layer be arranged on described flame-retardant layer, described protective layer is made up of cross-linking polyethylene materials;
The thickness of described electric boiling plate is more than or equal to 8mm.
2. electric boiling plate according to claim 1, is characterized in that, described fire retardant is decabromodiphenyl oxide and/or antimonous oxide.
3. electric boiling plate according to claim 1, is characterized in that, described cross-linking polyethylene materials is made up of the filler of the polyethylene of 100 weight portions, the organic peroxide of 0.3 ~ 0.6 weight portion and 5 ~ 15 weight portions.
4. electric boiling plate according to claim 3, is characterized in that, described organic peroxide is cumyl peroxide.
5. electric boiling plate according to claim 3, is characterized in that, described filler is talcum powder.
6. electric boiling plate according to claim 3, it is characterized in that, described cross-linking polyethylene materials is made up of the assistant crosslinking agent of the polyethylene of 100 weight portions, the organic peroxide of 0.3 ~ 0.6 weight portion, the filler of 5 ~ 15 weight portions and 0.3 ~ 0.6 weight portion.
7. electric boiling plate according to claim 6, is characterized in that, described assistant crosslinking agent is iso-cyanuric acid triallyl ester or triallyl cyanurate.
8. a preparation method for electric boiling plate, is characterized in that, comprises the following steps:
A) fire retardant of cross-linking polyethylene materials and 10 ~ 15 weight portions is stirred, be squeezed into flame-retardant layer sheet material;
B) zone of heating is placed between two-layer described flame-retardant layer sheet material, adds hot pressing, obtain electric boiling plate.
9. preparation method according to claim 8, is characterized in that, also comprises:
After adding hot pressing, place protective layer sheet material in both sides, carry out adding hot pressing, described protective layer sheet material is made up of cross-linking polyethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210395593.7A CN102883477B (en) | 2012-10-17 | 2012-10-17 | A kind of electric boiling plate and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210395593.7A CN102883477B (en) | 2012-10-17 | 2012-10-17 | A kind of electric boiling plate and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102883477A CN102883477A (en) | 2013-01-16 |
| CN102883477B true CN102883477B (en) | 2016-03-30 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2751416Y (en) * | 2004-07-09 | 2006-01-11 | 上海华普电缆有限公司 | Fire retardant crosslinked polyethylene insulated power cable |
| CN1951992A (en) * | 2005-10-19 | 2007-04-25 | 太原新科美家商贸有限公司 | Novel material ground mat |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245184Y (en) * | 1996-03-19 | 1997-01-15 | 天津市机械设备检测总站 | Far infrared ultra-thin heating plate |
| KR101834581B1 (en) * | 2010-04-14 | 2018-03-05 | 보레알리스 아게 | Crosslinkable polymer composition and cable with advantageous electrical properties |
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2012
- 2012-10-17 CN CN201210395593.7A patent/CN102883477B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2751416Y (en) * | 2004-07-09 | 2006-01-11 | 上海华普电缆有限公司 | Fire retardant crosslinked polyethylene insulated power cable |
| CN1951992A (en) * | 2005-10-19 | 2007-04-25 | 太原新科美家商贸有限公司 | Novel material ground mat |
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Effective date of registration: 20160819 Address after: The streets of the office of Shandong province Qingdao City Pingdu 266700 Sunshine Avenue East, West northbound Baisha village west Patentee after: QINGDAO XINSANHONG PLASTIC PRODUCTS Co.,Ltd. Address before: 266700 Shandong province Qingdao City Pingdu City Road No. 85 flat Patentee before: Qingdao Hongyuan Rubber and Plastic Foaming Co.,Ltd. |
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