CN106641583A - EPP insulation board and preparation method thereof - Google Patents
EPP insulation board and preparation method thereof Download PDFInfo
- Publication number
- CN106641583A CN106641583A CN201611012884.8A CN201611012884A CN106641583A CN 106641583 A CN106641583 A CN 106641583A CN 201611012884 A CN201611012884 A CN 201611012884A CN 106641583 A CN106641583 A CN 106641583A
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- Prior art keywords
- epp
- plate
- layer
- warming
- solid plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/18—Filling preformed cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Packages (AREA)
Abstract
The invention discloses an EPP insulation board and a preparation method thereof. The EPP insulation board comprises an insulation board body. The insulation board body comprises an upper solid plate layer and a lower solid plate layer. An insulation layer is arranged between the upper solid plate layer and the lower solid plate layer. The solid plate is a PP solid pate with a thickness of 2-3 mm and an anti-UV property. The insulation layer is a foamed insulation layer. To be more exact, the insulation layer is PP foam with a volume-weight of 30-45. According to the EPP insulation board and the preparation method thereof, the board is light in weight and high in strength, and good in insulation and warm-keeping properties, so the board is applicable to the refrigerated compartment, fresh refrigerated containers, small mobile refrigerator, small cold chain logistics container and the like. The preparation method is simple, thus being easy to popularize.
Description
Technical field
The invention belongs to warming plate technical field, and in particular to a kind of EPP warming plates and preparation method thereof.
Background technology
It with polystyrene resin is raw material plus other supplementary materials and poly- inclusion that warming plate is, by plus hot mixing simultaneously
Injecting catalyst, then extrusion molding extrusion molding and the rigid foam plate that manufactures, with moistureproof, water resistance.
Compared with polystyrene (PS), polyurethane (PU), polyethylene (PE) expanded material, polypropylene (PP) expanded material is opened
The history sent out is shorter.However, because PP foamed plastics has superior performance and wide application prospect, particularly market is to resistance to
The good expanded material demand of hot high, environmentally friendly adaptive is urgent so as to quickly grow, therefore since 20 century 70s, many states
Family has put into one after another the development to the PP materials that foam, and makes some progress.But due to the foaming work of traditional PP
Skill poor-performing, the production technology difficulty of the PP sheet materials that particularly foam is larger, it is difficult to high-quality foam plastic product is obtained, institute
Just to realize industrialization until PP foaming in 1980.It is external at present to only have a few countries such as the U.S., Italy, Japan to give birth to
Produce.In prior art, common warming plate has fiberglass PU composite plates on market, and fiberglass XPS composite plates have weight
Greatly, the shortcomings of low intensity, insulation and sealing difference.
The content of the invention
It is an object of the invention to provide a kind of EPP warming plates and preparation method thereof, to solve above-mentioned background technology in carry
The problem for going out.
For achieving the above object, the present invention provides following technical scheme：A kind of EPP warming plates, including warming plate body, institute
State warming plate body to be made up of the heat-insulation layer between upper and lower two layer entities plate and two layer entities plate.
Preferably, the solid plate is the PP solid plates of anti-UV, and heat-insulation layer is insulating foam layer.
Preferably, the thickness of the solid plate is 2-3mm, and heat-insulation layer foams for the PP of unit weight 30-45.
Present invention also offers a kind of EPP warming plates preparation method, comprises the steps：
S1：Polymer beads are placed in closed container, it is ensured that the cumulative volume of polymer beads is close less than the 1/25 of cumulative volume
Close container to be placed between the upper lower plate of hot press, inject the gases at high pressure of 10-30MPa, and closed container is sealed；
S2：It is 110 DEG C -170 DEG C to adjust heating-up temperature by hot press, and carries out constant temperature pressurize 10-30min；
S3：Then unloaded with the speed of 5-20MPa/s and be depressed into normal pressure, gas adiabatic expansion in polymer beads is made, to hot press
Unloaded, take out closed container and open；
S4：By solid plate place in a mold, with vacuum pressure 0-0.1MPa vacuum press by the polymer after foaming
Between injection two layer entities plate, take out after 20-40min, cool down at normal temperatures.
Preferably, the polymer beads are PP GRANULES.
Preferably, in S1, the gases at high pressure of injection are carbon dioxide.
Preferably, the specification of solid plate is 2000mm*6000mm in S4.
The technique effect and advantage of the present invention：
1st, the feature of environmental protection.PP itself is nonpoisonous and tasteless, pure to can contact food completely, is present incubation chamber, and thermos cup etc. contains food
Preferred material.EPP is incubated board finish and expanded material is all PP, and with the mode of hot melt composite plate is processed into, without any viscous
Agent is connect, the precipitation without any pernicious gas.This material can also reclaim granulation and recycle, and economize on resources, to environment without dirt
Dye.This is that any warming plate for doing carriage of heat preservation in the market cannot be accomplished.
, it is lightweight, intensity is high.Every square of EPP warming plates 80mm thick 7.2kg, compares with fiberglass PU composite plates, uses
It is rich to send out the light 250kg of 4.2 meters of long carriage plates that EPP warming plates make.So for heavy cargo, more goods can be loaded, for
Bulky cargo, can save more fuel oils.
, machinability.EPP warming plates are thermoplastics, and it is combined can be compound using mechanical automation, combined efficiency
It is very high.The physics of suitable various ways is forming and machining to type, and case is spelled in sweat soldering.If be incubated with EPP
If case processing refrigerator carriage, can completely change current manual groupage system modeling formula.And thoroughly change present processing
Manufacturing environment.The much progress that refrigerator carriage is can be described as if refrigerator carriage is processed with EPP.And adapt to batch chemical industry life
Produce.It is also very convenient if for mobile freezer and controlled atmosphere cold, installing processing.Air-tightness and large size plate are peaces
A spotlight in dress freezer.
, insulation and good seal performance.EPP warming plates can spell case using sweat soldering, make whole compartment fully integratedization,
The air-tightness of its casing is that carriage of heat preservation currently on the market is incomparable.
, surface and good looking appearance.PP surfaces are pure, and self-cleaning is good, and easy cleaning is difficult breed bacteria, are food grade materials.
It is integrally formed with sweat soldering, appearance looks elegant is generous.
, processing cost it is low.Because EPP warming plates can be compound with continuous and automatic.Physics can be adopted in machine-shaping
Shaping and machining, so substantially increasing production efficiency, can carry out spelling case production with automatic production line.Save substantial amounts of
Cost of labor.Can greatly save in the method for railway carriage or compartment manually being spelled with hot melt, spelling railway carriage or compartment efficiency is higher than glass fibre reinforced plastic insulation case 4-5 times, and
Greatly save fee of material.
In sum, because of its high-strength light, heat-insulation and heat-preservation the characteristics of, can be used for cold-storage insulation compartment, fresh refrigeration turnover
Case, small-sized mobile freezer, controlled atmosphere cold, small-sized Cold Chain Logistics container etc., and the relatively simple suitable popularity of preparation method
Use.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：1 warming plate body, 2 solid plates, 3 heat-insulation layers.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Embodiment 1
The invention provides a kind of EPP warming plates as shown in Figure 1, including warming plate body 1, the warming plate body 1 is by upper
Heat-insulation layer 3 between lower two layer entities plate 2 and two layer entities plate 2 is constituted, and the solid plate 2 is the PP realities of the anti-UV of thickness 2mm
Body plate, heat-insulation layer 3 is insulating foam layer, specially the PP foaming of unit weight 30.
Present invention also offers a kind of EPP warming plates preparation method, comprises the steps：
S1：Polymer beads are placed in closed container, the polymer beads are PP GRANULES, it is ensured that PP GRANULES
Less than the 1/25 of cumulative volume, closed container is placed between the upper lower plate of hot press cumulative volume, injects the high pressure gas of 10MPa
Body, the gases at high pressure are carbon dioxide, and closed container is sealed；
S2：It is 110 DEG C to adjust heating-up temperature by hot press, and carries out constant temperature pressurize 10min；
S3：Then unloaded with the speed of 5MPa/s and be depressed into normal pressure, make gas adiabatic expansion in PP GRANULES, hot press is carried out
Unloading, takes out closed container and opens；
S4：Solid plate 2 is placed in a mold, the specification of the solid plate 2 is 2000mm*6000mm, is existed with vacuum pressure
Polypropylene after foaming is injected two layer entities plate by the vacuum press of 0.01MPa（2）Between, take out after 20min, at normal temperatures
Cooling.
Embodiment 2
The invention provides a kind of EPP warming plates as shown in Figure 1, including warming plate body 1, the warming plate body 1 is by upper
Heat-insulation layer 3 between lower two layer entities plate 2 and two layer entities plate 2 is constituted, and the solid plate 2 is the PP realities of the anti-UV of thickness 3mm
Body plate, heat-insulation layer 3 is insulating foam layer, specially the PP foaming of unit weight 45.
Present invention also offers a kind of EPP warming plates preparation method, comprises the steps：
S1：Polymer beads are placed in closed container, the polymer beads are PP GRANULES, it is ensured that PP GRANULES
Less than the 1/25 of cumulative volume, closed container is placed between the upper lower plate of hot press cumulative volume, injects the high pressure gas of 30MPa
Body, the gases at high pressure are carbon dioxide, and closed container is sealed；
S2：It is 170 DEG C to adjust heating-up temperature by hot press, and carries out constant temperature pressurize 30min；
S3：Then unloaded with the speed of 20MPa/s and be depressed into normal pressure, make gas adiabatic expansion in PP GRANULES, hot press is entered
Row unloading, takes out closed container and opens；
S4：Solid plate 2 is placed in a mold, the specification of the solid plate 2 is 2000mm*6000mm, is existed with vacuum pressure
Polypropylene after foaming is injected two layer entities plate by the vacuum press of 0.1MPa（2）Between, take out after 30min, at normal temperatures
Cooling.
Embodiment 3
The invention provides a kind of EPP warming plates as shown in Figure 1, including warming plate body 1, the warming plate body 1 is by upper
Heat-insulation layer 3 between lower two layer entities plate 2 and two layer entities plate 2 is constituted, and the solid plate 2 is the PP of the anti-UV of thickness 2.5mm
Solid plate, heat-insulation layer 3 is insulating foam layer, specially the PP foaming of unit weight 40.
Present invention also offers a kind of EPP warming plates preparation method, comprises the steps：
S1：Polymer beads are placed in closed container, the polymer beads are PP GRANULES, it is ensured that PP GRANULES
Less than the 1/25 of cumulative volume, closed container is placed between the upper lower plate of hot press cumulative volume, injects the high pressure gas of 20MPa
Body, the gases at high pressure are carbon dioxide, and closed container is sealed；
S2：It is 140 DEG C to adjust heating-up temperature by hot press, and carries out constant temperature pressurize 20min；
S3：Then unloaded with the speed of 10MPa/s and be depressed into normal pressure, make gas adiabatic expansion in PP GRANULES, hot press is entered
Row unloading, takes out closed container and opens；
S4：Solid plate 2 is placed in a mold, the specification of the solid plate 2 is 2000mm*6000mm, is existed with vacuum pressure
Polypropylene after foaming is injected two layer entities plate by the vacuum press of 0.05MPa（2）Between, take out after 40min, at normal temperatures
Cooling.
Compartment material（80mm）Weight is contrasted
The weight of per square metre of material
It is rich to send out EPP warming plates 7.2
Fiberglass PU composite plates 11
Fiberglass XPS composite plates 9.5
Table 1
The performance comparison of EPP warming plates and fiberglass PU foams（80mm）
Performance unit EPP warming plate glass fibre reinforced plastic insulation plate performs standard
The GB/T1456-2005 of bending strength MPa 3.8 3.52
The GB/T 10297 of peel strength N/mm2 134 68
Table 2
According to table 1-2, every square of PP warming plates 80mm thick 7.2kg, compare with fiberglass PU composite plates, with rich EPP insulations are sent out
The light 250kg of 4.2 meters of long carriage plates that plate makes.So for heavy cargo, more goods can be loaded, for bulky cargo, Ke Yijie
Save more fuel oils.
With the performance comparison of PU foams
Performance unit EPP PU performs standard
The GB/T 6343 of density g/cm3 36 40
The GB/T 10297 of thermal conductivity factor W/mK 0.035 0.028
Table 3
According to table 3, EPP warming plates can spell case using sweat soldering, make whole compartment fully integratedization, the air-tightness of its casing
It is that carriage of heat preservation currently on the market is incomparable.Although PU thermal conductivity factors are low, slowly can inhale polyurethane during use
Water, not only raises thermal conductivity factor, and heat insulation effect is deteriorated, and carriage weight can increase.EPP composite insulation boards are closed-cell foams, no
Water suction, it is waterproof, relatively low thermal conductivity factor and higher intensity can be kept during whole use.
The cost of labor contrast of rice compartment
Material connecting method working day
A rich EPP warming plate can be with manipulator automatic welding 1
Fiberglass PU composite plates craft bonding and aluminum alloy splicing 4
Table 4
According to table 4, because EPP warming plates can be compound with continuous and automatic.Can be using physics shaping and machine in machine-shaping
Tool is processed, so substantially increasing production efficiency, can carry out spelling case production with automatic production line.Saved it is substantial amounts of it is artificial into
This.Can greatly save in the method for railway carriage or compartment manually being spelled with hot melt, spelling railway carriage or compartment efficiency is higher than glass fibre reinforced plastic insulation case 4-5 times, and saves significantly
Take material saving.
In sum, because of its high-strength light, heat-insulation and heat-preservation the characteristics of, can be used for cold-storage insulation compartment, fresh refrigeration turnover
Case, small-sized mobile freezer, controlled atmosphere cold, small-sized Cold Chain Logistics container etc..
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic,
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in the present invention's
Within protection domain.
Claims (7)
1. a kind of EPP warming plates, including warming plate body（1）, it is characterised in that：The warming plate body（1）By upper and lower two-layer
Solid plate（2）With two layer entities plate（2）Between heat-insulation layer（3）Composition.
2. a kind of EPP warming plates according to claim 1, it is characterised in that：The solid plate（2）For the PP entities of anti-UV
Plate, heat-insulation layer（3）For insulating foam layer.
3. a kind of EPP warming plates according to claim 1, it is characterised in that：The solid plate（2）Thickness be 2-3mm,
Heat-insulation layer（3）PP for unit weight 30-45 foams.
4. one kind EPP warming plates preparation method according to claim 1, it is characterised in that：Comprise the steps：
S1：Polymer beads are placed in closed container, it is ensured that the cumulative volume of polymer beads is close less than the 1/25 of cumulative volume
Close container to be placed between the upper lower plate of hot press, inject the gases at high pressure of 10-30MPa, and closed container is sealed；
S2：It is 110 DEG C -170 DEG C to adjust heating-up temperature by hot press, and carries out constant temperature pressurize 10-30min；
S3：Then unloaded with the speed of 5-20MPa/s and be depressed into normal pressure, gas adiabatic expansion in polymer beads is made, to hot press
Unloaded, take out closed container and open；
S4：By solid plate（2）Place in a mold, with vacuum pressure 0-0.1MPa vacuum press by the polymerization after foaming
Thing injects two layer entities plate（2）Between, take out after 20-40min, cool down at normal temperatures.
5. a kind of EPP warming plates preparation method according to claim 4, it is characterised in that：The polymer beads are poly-
Particulate propylene.
6. a kind of EPP warming plates preparation method according to claim 4, it is characterised in that：In S1, the high pressure gas of injection
Body is carbon dioxide.
7. a kind of EPP warming plates preparation method according to claim 4, it is characterised in that：The solid plate in S4（2）Rule
Lattice are 2000mm*6000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611012884.8A CN106641583A (en) | 2016-11-17 | 2016-11-17 | EPP insulation board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611012884.8A CN106641583A (en) | 2016-11-17 | 2016-11-17 | EPP insulation board and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106641583A true CN106641583A (en) | 2017-05-10 |
Family
ID=58807334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611012884.8A Pending CN106641583A (en) | 2016-11-17 | 2016-11-17 | EPP insulation board and preparation method thereof |
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| Country | Link |
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| CN (1) | CN106641583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978368A (en) * | 2019-11-21 | 2020-04-10 | 四川力登维汽车部件有限公司 | Method for improving surface hardness performance and appearance quality of EPP product |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458879A (en) * | 2001-03-21 | 2003-11-26 | Ist株式会社 | Laminate sheet |
| CN101275705A (en) * | 2008-05-13 | 2008-10-01 | 厦门高特高新材料有限公司 | Polyurethane steel face heat preserving composite board and manufacturing method and application thereof |
| CN102996915A (en) * | 2012-11-16 | 2013-03-27 | 滕州市华海新型保温材料有限公司 | Metal face type phenolic aldehyde composite air hose plate and production method thereof |
| CN103090119A (en) * | 2011-11-01 | 2013-05-08 | 王建刚 | Multifunctional composite air pipe plate |
-
2016
- 2016-11-17 CN CN201611012884.8A patent/CN106641583A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458879A (en) * | 2001-03-21 | 2003-11-26 | Ist株式会社 | Laminate sheet |
| CN101275705A (en) * | 2008-05-13 | 2008-10-01 | 厦门高特高新材料有限公司 | Polyurethane steel face heat preserving composite board and manufacturing method and application thereof |
| CN103090119A (en) * | 2011-11-01 | 2013-05-08 | 王建刚 | Multifunctional composite air pipe plate |
| CN102996915A (en) * | 2012-11-16 | 2013-03-27 | 滕州市华海新型保温材料有限公司 | Metal face type phenolic aldehyde composite air hose plate and production method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110978368A (en) * | 2019-11-21 | 2020-04-10 | 四川力登维汽车部件有限公司 | Method for improving surface hardness performance and appearance quality of EPP product |
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Application publication date: 20170510 |
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