CN106553307A - The production technology of EPS plastic foams - Google Patents
The production technology of EPS plastic foams Download PDFInfo
- Publication number
- CN106553307A CN106553307A CN201611018481.4A CN201611018481A CN106553307A CN 106553307 A CN106553307 A CN 106553307A CN 201611018481 A CN201611018481 A CN 201611018481A CN 106553307 A CN106553307 A CN 106553307A
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- Prior art keywords
- dynamic model
- mould
- quiet mould
- under
- processing technology
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Classifications
-
- 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
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/40—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length by gravity, e.g. by casting
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- 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
- B29C44/34—Auxiliary operations
- B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
-
- 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
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
- B29C2035/046—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames dried air
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
- B29C2035/047—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames other than air
- B29C2035/048—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames other than air inert gas
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1658—Cooling using gas
- B29C2035/1666—Cooling using gas dried air
Abstract
The invention belongs to plastic foam processing technique field, discloses the production technology of EPS plastic foams, including building mould；Matched moulds；High-temperature heating；Cooling step, realize including shaping mechanism and high temperature furnace using EPS plastic foams mould, shaping mechanism includes frame, the upper dynamic model that is connected with housing slide and quiet mould under being fixed in frame, under the top both sides of quiet mould be equipped with draw-in groove, dry ice lumps are placed between draw-in groove, dry ice lumps are provided with heater strip, and the top of upper dynamic model is provided with upper chamber, under the bottom of quiet mould be provided with lower chamber, upper chamber and lower chamber are connected with die cavity, and upper dynamic model is respectively connected with blanking device on quiet mould with；Upper dynamic model, under air guide channel is respectively equipped between quiet mould and high temperature furnace, one end of two air guide channels is connected with high temperature furnace, and the other end is connected with upper chamber and lower chamber respectively, and air guide channel is provided with filter layer.Solve the problems, such as prior art low production efficiency, processing mold be corroded, abscess collapsing.
Description
Technical field
The invention belongs to plastic foam manufacture field, and in particular to the processing technology of EPS plastic foams.
Background technology
EPS plastic foams, are the family macromolecule materials formed in solid plastic by a large amount of gas micropore dispersions, tool
There is the characteristic such as light weight, heat-insulated, sound-absorbing, damping, and dielectric properties are better than matrix resin, have many uses.The processing of EPS plastic foams
Forming method has basic shaping, injection mo(u)lding, compression molding, pours and be molded and calendering formation, most common of which, passes through
Mold injection molding.
The mold injection processing technology of existing plastic foam is：(1) will be used for finalizing the dynamic model of plastic foam and quiet
After mould matched moulds, using blanking device toward injecting frothing material in the die cavity between dynamic model and quiet mould, the both sides up and down of the die cavity are distinguished
Upper chamber and lower chamber are formed with, the upper chamber and lower chamber are connected with die cavity；(2) using respectively with upper chamber and lower gas
The steam channel of room connection, is passed through high steam pressurize for a period of time respectively toward upper chamber and lower chamber, to allow upper chamber
Can be infiltrated in expanded material from the both sides up and down of die cavity simultaneously with the high steam of lower chamber；(3), after cooling down, obtain finished product modeling
Strand foam；In step (3), cut off the water dynamic model, quiet mould and semi-finished product are cooled to 80～100 DEG C using cooling water afterwards, and
Also include by the way of vacuumizing, the step of from upper chamber and lower chamber take away cooling water.The processing technology is led to
Cross in upper chamber and lower chamber and be passed through high steam and pressurize can allow the upper and lower both sides of expanded material for a period of time, so while filling
Scolding has substantial amounts of high steam, and then guarantees that thicker expanded material can be in the equal uniform in foaming of upper and lower sides.
But, above-mentioned processing technology there is problems：1st, above-mentioned technique can only be processed to a plastic foam,
For the plastic foam for using cooperatively is unable to one-shot forming, need to process respectively, efficiency is low；2nd, above-mentioned technique is by into die cavity
Injection high steam accelerates the shaping of plastic foam, and during being molded due to plastic foam, temperature is high, is to ensure making for mould
With the life-span, mould is irony, and this mode can cause the steam residual again of mould, so that iron is contacted with water produces electrochemistry
Reaction, is corroded；3rd, above-mentioned technique is cooled down by water flowing, and cool time is improper, and moisture can be caused to enter in abscess, then
After moisture evaporation, abscess can collapsing.
The content of the invention
The invention is intended to the processing technology of EPS plastic foams is provided, to solve prior art low production efficiency, processing mold
Be corroded, the problem of abscess collapsing.
For achieving the above object, the present invention provides following technical scheme, and the processing technology of EPS plastic foams is related to one kind
EPS plastic foam moulds, which includes shaping mechanism and high temperature furnace, and shaping mechanism includes frame, is connected with housing slide
Upper dynamic model and quiet mould under being fixed in frame, upper dynamic model and under form die cavity between quiet mould, under the top both sides of quiet mould be all provided with
Have draw-in groove, between draw-in groove, be placed with dry ice lumps, dry ice lumps are provided with heater strip, and the top of upper dynamic model is provided with upper chamber, under quiet mould
Bottom be provided with lower chamber, upper chamber and lower chamber are connected with die cavity, upper dynamic model and under be respectively connected with blanking device on quiet mould；On
Dynamic model, under air guide channel is respectively equipped between quiet mould and high temperature furnace, one end of two air guide channels is connected with high temperature furnace, another
End is connected with upper chamber and lower chamber respectively, and air guide channel is provided with filter layer, and filter layer is agstone last layer；
The step of its processing technology, is as follows：
1) build mould：By upper dynamic model, quiet mould is arranged in frame with, recycles two air guide channels respectively by upper gas
Room and lower chamber are connected with high temperature furnace, and agstone last layer is arranged on air guide channel；And the die cavity inwall in mould coats stone
Wax layer；
2) matched moulds：The dry ice lumps for being provided with heater strip are fixed on draw-in groove, dynamic model is moved down, matched moulds is completed；Matched moulds
Injected plastic and foaming agent in backward blanking device；
3) high-temperature heating：Add into high temperature furnace and be passed through nitrogen, while heating high temperature furnace, the time for being filled with nitrogen is 5-
7min, the temperature of heating is 120-130 DEG C, under the catalysis of high-temperature gas, plastic foam shaping；
4) cool down：Cold air is passed through into air guide channel, the plastic foam of shaping is in being total to that cold air and dry ice lumps gasification absorb heat
Cool down under same-action；Mold after cooling, the plastic foam of shaping is taken out.
The know-why of this programme is：The mould for using will be needed in plastic foam process to be built first, and
Mould is connected by air guide channel with high temperature furnace, paraffin layer, the demoulding after convenient shaping is coated in the inwall of mould；By inside
The dry ice lumps for being provided with heater strip are arranged on down in the draw-in groove of quiet mould, and dynamic model in movement completes matched moulds, by dry ice lumps by upper dynamic model
Quiet mould separates with, forms two die cavities, can carry out injection mo(u)lding to the plastic foam for using cooperatively；By blanking device to
Injected plastic and foaming agent in die cavity, are molded in die cavity；In heating high temperature furnace, and nitrogen is passed through into high temperature furnace, nitrogen energy
The oxygen in air is enough extruded, is prevented oxygen from entering in die cavity, mould inner wall is aoxidized, nitrogen passes through air guide channel after being heated
Into upper lower chamber, can be dried by lime stone bisque when by air guide channel, remove vapor, be prevented from mould
There is electrochemical reaction in wall, be corroded, and high temperature nitrogen passes through upper chamber and lower chamber enters die cavity and starting material, catalysis modeling
Material foaming；After plastic foam shaping, cold air is passed through into guide pipeline, when cold air passes through lime stone bisque, cold air entrainment
Moisture can be also dried, prevent mould inner wall from aoxidizing, by cold air and dry ice lumps gasification heat absorption cooperation plastic foam is cold
But, after dry ice lumps gasification, plastic foam is divided into into two-layer, the plastic foam of shaping after die sinking, is taken out, two pieces of plastic foams can
Use cooperatively.
What this programme can be produced has the technical effect that：1st, upper die and lower die are separated by dry ice lumps, forms two die cavities, match somebody with somebody
The plastic foam that conjunction is used being capable of one-shot forming；2nd, dry ice lumps can change different shapes, it is adaptable to the cooperation of different situations
The plastic foam injection mo(u)lding for using；3rd, compared with prior art, by being filled with nitrogen, and nitrogen is heated, can either be by oxygen
Gas discharge, prevent mould inner wall be oxidized, again can other catalysis it is plastic foamed；4th, nitrogen can be done through lime stone bisque
It is dry, so as to discharge vapor, prevent mould inner wall from electrochemical reaction occurring and be corroded, increase the mold use life-span；5th, pass through
Be filled with cold air and dry ice lumps endothermic gasification and coordinate and plastic foam is cooled down, with prior art using water energy but compared with, energy
Enough prevent mould inner wall from having water residual to be corroded, and by gas and heat absorption cooling, do not have moisture and enter plastic foam, no
The abscess collapsing of plastic foam can be caused.
The following is the preferred version based on such scheme：
Preferred version one：The inwall of the blanking device is provided with equally distributed projection.Foaming agent and raw materials for plastics production pass through
When blanking device enters die cavity, foaming agent and raw material and raised impact can be caused, so as to by some bubble removals, improve plastics into
The compactness of type.
Preferred version two：Based on preferred version one, the thickness of the dry ice lumps is 40-50cm.Generation two can be isolated
Die cavity, and enough heats can be absorbed when plastic foam is molded plastic foam is cooled down.
Preferred version three：Based on preferred version two, the thickness of the dry ice lumps is 47cm.Enough heats can be absorbed to allow
Plastic foam is cooled down, and will not waste dry ice lumps.
Preferred version four：Based on preferred version three, the time that nitrogen is filled with the step (3) is 5min, the temperature of heating
Spend for 120 DEG C.It is experimentally confirmed, the data cause plastic foam shaping very fast.
Preferred version five：Based on preferred version four, the time that nitrogen is filled with the step (3) is 6min, the temperature of heating
Spend for 125min.It is experimentally confirmed, the data cause plastic foam to be molded quickly, and the quality of plastic foam is optimal.
Preferred version six：Based on preferred version five, the time that nitrogen is filled with the step (3) is 7min, the temperature of heating
Spend for 130min.It is experimentally confirmed, the data cause plastic foam to be molded quickly.
Preferred version seven：Based on preferred version six, in the step (4), the temperature of cold air is 20-30 DEG C.Sufficiently will modeling
Strand foam is cooled down.
Preferred version eight：Based on preferred version seven, in the step (4), the temperature of cold air is 23 DEG C.The temperature energy of cold air
The gasification heat absorption of enough and dry ice lumps fully coordinates, and fiting effect is optimal, sufficiently cools down plastic foam.
Description of the drawings
Fig. 1 is the sectional view of EPS plastic foams mould of the present invention.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Frame 1, upper dynamic model 2, upper chamber 21, under quiet mould 3, lower chamber 31, card
Groove 32, dry ice lumps 4, blanking device 5, high temperature furnace 6, air guide channel 7, filter layer 8, control valve 9, opening 10, air conditioner 11.
As shown in figure 1, EPS plastic foam moulds, including frame 1, upper dynamic model 2 and under quiet mould 3, under quiet mould 3 it is upper
The both sides in portion are provided with two draw-in grooves 32, and dry ice lumps 4 are placed between draw-in groove 32, and dry ice lumps 4 are provided with heater strip, and dry ice lumps 4 will
Upper dynamic model 2 and under quiet mould 3 be partitioned into two die cavities, the top of upper dynamic model 2 is provided with upper chamber 21, under the bottom of quiet mould 3 be provided with
Lower chamber 31, upper chamber 21 and lower chamber 31 are connected with die cavity, and upper dynamic model 2 is respectively connected with blanking device 5 on quiet mould 3 with, under
The inwall of glassware 5 is provided with uniform point of projection, and upper chamber 21 and lower chamber 31 are communicated with air guide channel 7, the right side of two air guide channels 7
End is connected with high temperature furnace 6, and air guide channel 7 is provided with filter layer 8, and filter layer 8 is lime stone bisque, and the right of filter layer 8 sets
There is opening 10, on opening 10, be connected with air conditioner 11, the right of opening 10 is provided with control valve 9.
During use, dry ice lumps 4 are placed in draw-in groove 32, by upper dynamic model 2, quiet mould 3 is divided into two die cavities with, by upper dynamic model 2
With under after 3 matched moulds of quiet mould, foaming agent and plastic raw materials are added into die cavity by blanking device 5, valve 9 is controlled opening, and to height
Nitrogen is filled with warm stove 6, nitrogen enters upper chamber 21 and lower chamber 31 by air guide channel 7 after being heated, by filter layer 8
When nitrogen can be dried, high temperature nitrogen is catalyzed plastic foamed shaping after upper chamber 21 and lower chamber 31 enter die cavity,
Plastic foam is formed, control valve 9 is turned off, cold air is filled with into guide pipeline 7 using air conditioner 11, cold air is through filter layer 8
When, can be dried, after cold air enters die cavity, plastic foam is cooled down by the cooperation absorbed heat by being gasified with dry ice lumps 4, after cooling,
Die sinking, the plastic foam of shaping is taken out.
Below for the processing technology of EPS plastic foams of the present invention, following experiment is carried out：
Now illustrated using the processing technology of the EPS plastic foams of the present invention of embodiment 1 pair of experiment,
(1) build mould：By upper dynamic model, quiet mould is arranged in frame with, and gets out the dry ice lumps that thickness is 47cm,
Recycle two air guide channels upper chamber and lower chamber to be connected with high temperature furnace respectively, limestone powder is set on air guide channel
Layer, opens control valve；And the die cavity inwall in mould coats paraffin layer；
(2) ready dry ice lumps are placed on down in the draw-in groove of quiet mould, then mobile upper dynamic model completes matched moulds, and pass through blanking
Device is to injected plastic in die cavity and foaming agent；
(3) nitrogen being added into high temperature furnace, the oxygen in high temperature furnace being discharged by nitrogen, the temperature of high temperature stove heat is
125 DEG C, the time for being filled with nitrogen is 6 minutes so that nitrogen enters upper chamber and lower chamber by air guide channel, is being entered with
The die cavity that air chamber is connected with lower chamber, is catalyzed plastic foamed shaping, forms plastic foam；
(4) closing control valve, is filled with the cold air that temperature is 23 DEG C using air conditioner, and cold air is entered by upper chamber and lower chamber
Enter die cavity, the cooperation absorbed heat by being gasified with dry ice lumps is cooled down to plastic foam, after cooling, plastic foam is taken by die sinking
Go out.
Choose each 50 using the plastic foam of above-mentioned parameter processing, to its molding time, whether there is hole, abscess collapsing rate
Tested with bearing, using same weight extruding plastic foam, experimental result is as follows：
As can be seen here, the plastic foam using embodiment of the present invention 1-3 with each parameter processing in comparative example 1-3 is compared
Compared with embodiment molding time is short, surfacing, and hole is few, and pressure-bearing type is high, wherein the best results of embodiment 1.
For a person skilled in the art, on the premise of without departing from technical solution of the present invention, if can also make
Dry deformation and improve, these should also be considered as protection scope of the present invention, these all without the effect for affecting the present invention to implement and
Practical applicability.
Claims (9)
- The processing technology of 1.EPS plastic foams, it is characterised in that be related to a kind of EPS plastic foams mould, which includes shaping Mechanism and high temperature furnace, shaping mechanism include frame, the upper dynamic model that is connected with housing slide and quiet mould under being fixed in frame, on Dynamic model and under form die cavity between quiet mould, under the top both sides of quiet mould be equipped with draw-in groove, dry ice lumps, dry ice are placed between draw-in groove Block is provided with heater strip, and the top of upper dynamic model is provided with upper chamber, under the bottom of quiet mould be provided with lower chamber, upper chamber and lower chamber are equal Connect with die cavity, upper dynamic model is respectively connected with blanking device on quiet mould with；Upper dynamic model, under be respectively equipped between quiet mould and high temperature furnace and lead Gas passage, one end of two air guide channels are connected with high temperature furnace, and the other end is connected with upper chamber and lower chamber respectively, and air guide is led to Road is provided with filter layer, and filter layer is agstone last layer；The step of its processing technology, is as follows：Build mould：By upper dynamic model, quiet mould is arranged in frame with, recycles two air guide channels respectively by upper chamber with Air chamber is connected with high temperature furnace, and agstone last layer is arranged on air guide channel；And the die cavity inwall in mould coats paraffin layer；Matched moulds：The dry ice lumps for being provided with heater strip are fixed on draw-in groove, dynamic model is moved down, matched moulds is completed；Under matched moulds is backward Injected plastic and foaming agent in glassware；High-temperature heating：Add into high temperature furnace and be passed through nitrogen, while heating high temperature furnace, the time for being filled with nitrogen is 5-7min, plus The temperature of heat is 120-130 DEG C, under the catalysis of high-temperature gas, plastic foam shaping；Cooling：Cold air is passed through into air guide channel, the plastic foam of shaping is in cold air and the collective effect of dry ice lumps gasification heat absorption Lower cooling；Mold after cooling, the plastic foam of shaping is taken out.
- 2. the processing technology of EPS plastic foams according to claim 1, it is characterised in that：The inwall of the blanking device sets There is equally distributed projection.
- 3. the processing technology of EPS plastic foams according to claim 2, it is characterised in that：The thickness of the dry ice lumps is 40-50cm。
- 4. the processing technology of EPS plastic foams according to claim 3, it is characterised in that：The thickness of the dry ice lumps is 47cm。
- 5. the processing technology of EPS plastic foams according to claim 4, it is characterised in that：The step（3）In be filled with nitrogen The time of gas is 5min, and the temperature of heating is 120 DEG C.
- 6. the processing technology of EPS plastic foams according to claim 5, it is characterised in that：The step（3）In be filled with nitrogen The time of gas is 6min, and the temperature of heating is 125min.
- 7. the processing technology of EPS plastic foams according to claim 6, it is characterised in that：The step（3）In be filled with nitrogen The time of gas is 7min, and the temperature of heating is 130min.
- 8. the processing technology of EPS plastic foams according to claim 7, it is characterised in that：The step（4）Middle cold air Temperature is 20-30 DEG C.
- 9. the processing technology of EPS plastic foams according to claim 8, it is characterised in that：The step（4）Middle cold air Temperature is 23 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018481.4A CN106553307A (en) | 2016-11-18 | 2016-11-18 | The production technology of EPS plastic foams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018481.4A CN106553307A (en) | 2016-11-18 | 2016-11-18 | The production technology of EPS plastic foams |
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| CN106553307A true CN106553307A (en) | 2017-04-05 |
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| CN201611018481.4A Pending CN106553307A (en) | 2016-11-18 | 2016-11-18 | The production technology of EPS plastic foams |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1600470A1 (en) * | 2004-05-28 | 2005-11-30 | Sulzer Chemtech AG | Procees for producing a foamed polymer article |
| CN202623129U (en) * | 2012-06-04 | 2012-12-26 | 杭州方圆塑料机械有限公司 | Double-mold automatic molding machine for foam plastics |
| JP2013173295A (en) * | 2012-02-27 | 2013-09-05 | Sekisui Kaseihin Sakura:Kk | Method of cleaning in-mold foam molding die |
| CN104118087A (en) * | 2014-07-09 | 2014-10-29 | 翡柯机械（福建）有限公司 | Production process and equipment of high-efficiency energy-saving foam plastic |
-
2016
- 2016-11-18 CN CN201611018481.4A patent/CN106553307A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1600470A1 (en) * | 2004-05-28 | 2005-11-30 | Sulzer Chemtech AG | Procees for producing a foamed polymer article |
| JP2013173295A (en) * | 2012-02-27 | 2013-09-05 | Sekisui Kaseihin Sakura:Kk | Method of cleaning in-mold foam molding die |
| CN202623129U (en) * | 2012-06-04 | 2012-12-26 | 杭州方圆塑料机械有限公司 | Double-mold automatic molding machine for foam plastics |
| CN104118087A (en) * | 2014-07-09 | 2014-10-29 | 翡柯机械（福建）有限公司 | Production process and equipment of high-efficiency energy-saving foam plastic |
| CN105922494A (en) * | 2014-07-09 | 2016-09-07 | 翡柯机械（福建）有限公司 | Efficient and energy-saving production device for foam plastic |
Non-Patent Citations (1)
| Title |
|---|
| 李炳华: "《发酵工厂二氧化碳的回收和应用》", 31 May 1996, 中国轻工业出版社 * |
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Application publication date: 20170405 |