CN106166820B - Regenerated polystyrene pipe and its production technology and application - Google Patents
Regenerated polystyrene pipe and its production technology and application Download PDFInfo
- Publication number
- CN106166820B CN106166820B CN201610514010.6A CN201610514010A CN106166820B CN 106166820 B CN106166820 B CN 106166820B CN 201610514010 A CN201610514010 A CN 201610514010A CN 106166820 B CN106166820 B CN 106166820B
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- Prior art keywords
- injection
- polystyrene
- cavity plate
- pipe
- regenerated
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Classifications
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0084—General arrangement or lay-out of plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The present invention relates to regenerated polystyrene pipe and its production technology and applications, belong to polymeric material field.The present invention provides a kind of regenerated polystyrene pipe, including following raw material in parts by weight：60-80 parts of polystyrene reworked material, 20-40 parts of polypropene recycled materials, 0.5-1 parts of antioxidant, 1-3 parts of compatilizer.The present invention has obtained the polystyrene tube of good-toughness using polystyrene reclaimed materials and polypropylene reclaimed material as raw material, using specific production line.
Description
Technical field
The present invention relates to regenerated polystyrene pipe and its production technology and applications, belong to polymeric material field.
Background technology
Polystyrene is a kind of general-purpose plastics of water white transparency, cheap, with higher intensity and modulus, but by
It is crisp (poor toughness) in its property, greatly limit its application.Common polydiene with styrene monomer be copolymerized and is made at present
HIPS, ABS carry out blending toughening using rubber to polystyrene, to widen the application field of polystyrene.But both
There are one common problems for the method for enhancing touthness of polyphenylethylene by adding, and the mobility of material reduces clearly after toughener is added.
Pp material abundance, synthesis technology is simple, cheap, while polypropylene has good toughness, uses
Polypropylene carries out polystyrene some defects that toughening can not only overcome polypropylene intrinsic (hardness low etc.), and improves poly-
The brittleness of styrene.
There has been no regenerated for raw material to produce about using polystyrene reworked material and polypropene recycled materials in the prior art
The relevant report of polystyrene pipe.
Invention content
Technical problem to be solved by the invention is to provide a kind of regenerated polystyrene pipe, with polystyrene reworked material and
Polypropene recycled materials are raw material, and production has obtained the excellent regenerated polystyrene tubing of intensity and toughness.
The present invention provides a kind of regenerated polystyrene pipe, including following raw material in parts by weight：
Further, the regenerated polystyrene pipe includes following raw material in parts by weight：
Further, the polystyrene reworked material is that television cabin polystyrene regenerates reclaimed materials, and the polypropylene is again
Raw material are that woven bag polypropylene regenerates reclaimed materials.
Further, the compatilizer is in styrene-butadiene-styrene triblock copolymer or polyolefin elastomer
It is at least one.
Further, the antioxidant is antioxidant 168, antioxidant 1010, four [β-(3,5- di-tert-butyl -4- hydroxyls
Base phenyl) propionic acid] pentaerythritol ester, at least one of three [2,4- di-tert-butyl-phenyls] phosphite esters.
Further, the raw material of the regenerated polystyrene pipe further includes toughener, lubricant, filler, coupling agent or processing
At least one of auxiliary agent.Toughener, lubricant, processing aid or filler additive amount depended on the circumstances according to particular use.
The toughener is maleic anhydride inoculated polypropylene, haloflex, ethylene-n-butyl acrylate-methyl-prop
In linear low density polyethylene and ethylene-vinyl acetate copolymer that olefin(e) acid glycidol copolymer, maleic anhydride are grafted
It is at least one.
The lubricant is zinc stearate, polyethylene wax or pentaerythritol stearate.
The filler is at least one of calcium carbonate, talcum powder or montmorillonite.
The coupling agent is titanate coupling agent, aluminate coupling agent, silane coupling agent, phosphate coupling agent or borate
At least one of coupling agent.
The processing aid is at least one of White Mineral Oil, silicone oil or calcium stearate.
The invention solves second technical problem be to provide the production technology of above-mentioned regenerated polystyrene pipe, including such as
Lower step：
1) polystyrene reworked material and polypropene recycled materials are cleaned broken；
2) gained broken material in step 1) is concomitantly introduced into polystyrene injection-molding riffled tube with antioxidant, compatilizer
Production line obtains regenerated polystyrene pipe；
The polystyrene injection-molding finned tube production line, including plasticizing apparatus, plastic injection equipment, die lifting dress
It sets, reinforcement pipe mold and transport trolley；
Wherein, the plasticizing apparatus is exported with injection raw material；The material of the injection material outlet and plastic injection equipment
Entrance is connected to；There is the plastic injection equipment injection port, the injection port to be connected to the injecting hole that reinforcement pipe mold has；It is described
Reinforcement pipe mold is located at below die lifting device, and the reinforcement pipe mold passes through die lifting device draft；The riffled tube
The cavity plate that mold has is made of two and half cavity plates；The bottom of two and half cavity plate is separately mounted on two travelling bogies.
Further, polystyrene is regenerated into broken material, polypropylene regeneration broken material, antioxidant and compatible in step 2)
Agent is concomitantly introduced into polystyrene injection-molding finned tube production line and obtains regenerated polystyrene pipe to be included the following steps successively：
A, polystyrene is regenerated into broken material, polypropylene regeneration broken material, antioxidant and compatilizer first and is put into modeling
Makeup sets in (1) and is plasticized to obtain injection raw material；
B, and then by conduit by injection raw material the mold for being transported in plastic injection equipment, while being used according to injection molding
The injection pressure of requirement setting plastic injection equipment to injection pressure；
C, injection raw material is sent in reinforcement pipe mold until injection raw material is completely filled with reinforcement by plastic injection equipment
The die cavity of pipe mold；
D, riffled tube is taken out after the injection raw material cooled and solidified in reinforcement pipe mold (three minutes generally after mold fills
Within can mold)；
E, the clamping screw on reinforcement pipe mold is removed, then connects the punch-pin of reinforcement pipe mold and die lifting device
It connects, promoting punch-pin by die lifting device realizes demoulding；
F, operation transport trolley drives two and half cavity plates of reinforcement pipe mold to move realization in the opposite direction to riffled tube
Mold 4 molds, and to take out riffled tube after molding in cavity plate, completes the injection molding of regenerated polystyrene pipe.
Further, the plastic injection equipment used in step B, including from top to bottom set gradually upper table, sliding
Workbench and lower table；The both ends of the upper table are both provided with guide post described in guide post and are located at upper table and lower table
Between；Described guide post one end is fixedly connected with upper workbench, and the other end is fixedly connected with lower workbench；The sliding work
Platform is slidably connected with guide post；Hydraulic cylinder is provided between the upper workbench and sliding workbench, the hydraulic cylinder is solid
It is scheduled on workbench, the telescopic end that the hydraulic cylinder has is connect with sliding workbench；Under the sliding workbench
Surface is provided with injection and cuts somebody's hair；Injection molding material cylinder is provided on the workbench, the injection cylinder is located at the underface that injection is cut somebody's hair；
It is provided with heating device between the workbench and injection molding material cylinder；The internal diameter injected the outer diameter cut somebody's hair and had with injection molding material cylinder
Matching；
The injection molding material cylinder upper end is provided with feed end；The internal diameter that the feed end has is more than the internal diameter of injection molding material cylinder；
The feed end inner cavity and the inner cavity of injection molding material cylinder pass through conical surface transition；Connection feed end inner cavity is provided on the feed end
Charge door；The injection molding bottom of the cylinder is provided with the injection-moulding nozzle being connected to injection molding material cylinder intracavity bottom；On the injection-moulding nozzle
It is provided with valve.
Further, in the preparation method of above-mentioned regenerated polystyrene pipe, there are two the injection-moulding nozzle at least has, and appoint
The internal diameter that two injection-moulding nozzles of meaning have is different.
Further, the reinforcement pipe mold used in step C includes punch-pin, cavity plate；The cavity plate includes two and half cavity plates；
It is provided with riffled tube die cavity on half cavity plate；It is provided in the riffled tube die cavity and uniformly distinguishes along half cavity plate length direction
Semi-ring connected in star；One and half cavity plates in two and half cavity plate from the bottom to top 1/2~3/4 position be provided with injecting hole；
Another block of half cavity plate from the bottom to top 1/9~1/8 position be provided with connection riffled tube die cavity gas vent；Half cavity plate has
Joint face；Two and half cavity plate forms cavity plate along joint face Symmetric Composite；It is provided on the joint face of half cavity plate to half
The edge extended on the outside of cavity plate；Bolt hole is provided on the edge, the center of the bolt hole is located at center line O1O2It is close to add
The side of muscle pipe die chamber；The center line O1O2For the perpendicular bisector in edge outside to distance between cavity plate internal diameter；On half cavity plate
Clamping screw is installed, the clamping screw passes through the bolt hole of two and half cavity plates to lock two and half cavity plates；Described punch-pin one end
It is inserted into cavity plate and coordinates with cavity plate, form riffled tube forming cavity between the punch-pin and cavity plate；One end of the punch-pin is provided with
Flange, the flange are connect by bolt with cavity plate.
Further, in the preparation method of above-mentioned regenerated polystyrene pipe, the center of the bolt hole is located at center line O1O2
Close to the side of riffled tube die cavity；Center line O1O2The other side be provided with dowel hole.
Further, the die lifting device used in step E includes holder, top beam, slide plate；The top beam setting is being propped up
The top of frame, the slide plate are mounted on the lower section of top beam, and are connect with bracket slide；Liter is provided between the top beam and slide plate
Descending liquid cylinder pressure；The telescopic end that the lifting hydraulic cylinder has is fixedly connected with slide plate, and the other end of the lifting hydraulic cylinder is fixed
On top beam；The slide plate lower surface is provided with connection push rod, and described connection push rod one end is fixedly connected with slide plate, the other end with
Punch-pin is detachably connected.
Further, in the preparation method of above-mentioned regenerated polystyrene pipe, guide rail is provided with below the transport trolley.
Preferably, in the preparation method of above-mentioned regenerated polystyrene pipe, the transport trolley uses motor-driven carrier.
The invention solves third technical problem be to provide above-mentioned regenerated polystyrene pipe in buried drain pipe
Using.
It in the present invention, is not particularly illustrated, be related to number refers both to parts by weight.
The beneficial effects of the invention are as follows：
The present invention has obtained toughness using polystyrene reclaimed materials and polypropylene reclaimed material as raw material, using specific production line
Excellent polystyrene tube.The present invention includes plasticizing apparatus, modeling using specific polystyrene injection-molding finned tube production line
Expect injector, die lifting device, reinforcement pipe mold and transport trolley；And two and half cavity plates of reinforcement pipe mold are pacified respectively
On two travelling bogies, therefore during polystyrene riffled tube injection molding, it is made first by plasticizing apparatus
Then injection raw material is injected by plastic injection equipment in reinforcement pipe mold, demoulded being realized by lifting gear, pass through conveying
Trolley realizes die sinking.So as to reduce demoulding and a large amount of manual operations during die sinking, reduce the work of staff
Amount, shortens the time of demoulding, die sinking, improves work efficiency, reduce production cost.Gained regenerated polystyrene pipe is available
Make buried drain pipe, provides new application field for waste and old polystyrol reclaimed materials and waste and old polypropylene reclaimed materials, produce
Huge application value.
Description of the drawings
Fig. 1 is the stereogram of polystyrene injection-molding finned tube production line in the specific embodiment of the invention；
Fig. 2 is the side view of polystyrene injection-molding finned tube production line in the specific embodiment of the invention；
Fig. 3 is the front view of polystyrene injection-molding finned tube production line in the specific embodiment of the invention；
Fig. 4 is after polystyrene injection-molding finned tube production line is molded and demoulded in the specific embodiment of the invention
Stereogram；
Fig. 5 is the stereogram of plastic injection equipment in the specific embodiment of the invention；
Fig. 6 is the structural schematic diagram of plastic injection equipment in the specific embodiment of the invention；
Fig. 7 is the axonometric drawing of reinforcement pipe mold in the specific embodiment of the invention；
Fig. 8 is the front view of reinforcement pipe mold in the specific embodiment of the invention；
Fig. 9 is A-A sectional views in Fig. 8；
Figure 10 is the side view of reinforcement pipe mold in the specific embodiment of the invention；
Figure 11 is the B-B sectional views in Figure 10；
Figure 12 is the C-C sectional views in Fig. 8；
Figure 13 is the structural schematic diagram of polystyrene riffled tube die lifting device in the specific embodiment of the invention；
It is indicated in figure：1- plasticizing apparatus, 2- plastic injection equipments, 21- upper tables, 22- sliding tables, 23- injections push away
Head, 231- cut somebody's hair, 24- guide posts, 241- limited blocks, and 25- is molded material cylinder, 251- feed inlets, 252- injection-moulding nozzles, 253- chargings
End, the 254- conical surfaces, 26- heating devices, 27- workbench, 28- hydraulic cylinders, 3- lifting gears, 31- holders, 32- top beams, 33- are slided
Plate, 34- lifting hydraulic cylinders, 35- connection push rods, 4- reinforcement pipe molds, 41- punch-pin, 411- flanges, half cavity plates of 42-, 421- semi-rings
Shape reinforcing rib, the edges 422-, 423- bolts hole, 424- dowel holes, 425- gas vents, 426- joint faces, 427- injecting holes,
43- riffled tube forming cavities, 431- semi-ring connected in stars, 5- transport trolleys, 6- guide rails, 61- locating pieces.
Specific implementation mode
The present invention provides a kind of regenerated polystyrene pipe, including following raw material in parts by weight：
Further, the polystyrene reworked material is that television cabin polystyrene regenerates reclaimed materials, and the polypropylene is again
Raw material are that woven bag polypropylene regenerates reclaimed materials.
The production line used below in conjunction with the accompanying drawings to the present invention is described in detail.
As shown in figure 1 to figure 13, polystyrene injection-molding finned tube production line of the present invention, including plasticizing apparatus
1, plastic injection equipment 2, die lifting device 3, reinforcement pipe mold 4 and transport trolley 5；
There is the plasticizing apparatus 1 injection raw material to export 11；The material of the injection material outlet 11 and plastic injection equipment 2
Entrance is connected to；There is the plastic injection equipment 2 injection port, the injection port to be connected to the injecting hole that reinforcement pipe mold 4 has；Institute
It states reinforcement pipe mold 4 and is located at 3 lower section of die lifting device, the reinforcement pipe mold 4 passes through die lifting device draft；It is described to add
The cavity plate that muscle pipe mold 4 has is made of two and half cavity plates 42；The bottom of two and half cavity plate 42 is separately mounted to two fortune
On defeated trolley 5.
During production, include the following steps successively：
A, polystyrene is regenerated into broken material, polypropylene regeneration broken material and antioxidant, compatilizer first and is put into modeling
Makeup sets in (1) and is plasticized to obtain injection raw material；
B, and then by conduit by injection raw material the mould for being transported in plastic injection equipment 2, while being used according to injection molding
Has the injection pressure of the requirement setting plastic injection equipment 2 to injection pressure；
C, injection raw material is sent in reinforcement pipe mold 4 by plastic injection equipment 2 and is added until injection raw material is completely filled with
The die cavity of muscle pipe mold 4；
D, riffled tube is taken out after the injection raw material cooled and solidified in reinforcement pipe mold (three minutes generally after mold fills
Within can mold)；
E, the clamping screw on reinforcement pipe mold 4 is removed, then by the punch-pin 41 of reinforcement pipe mold and die lifting device 3
Connection promotes punch-pin 41 by die lifting device 3 and realizes demoulding；
F, operation transport trolley 5 drives two and half cavity plates 42 of reinforcement pipe mold 4 to move realization pair in the opposite direction and adds
Muscle pipe mold 4 molds, and to take out riffled tube after molding in cavity plate, completes the injection molding of polystyrene riffled tube.
In the present invention, polystyrene riffled tube refers to regenerated polystyrene pipe.
In conclusion polystyrene injection-molding finned tube production line of the present invention includes plasticizing apparatus 1, plastics note
Penetrate machine 2, die lifting device 3, reinforcement pipe mold 4 and transport trolley 5；And two and half cavity plates 42 of reinforcement pipe mold 4 divide
An Zhuan not be on two travelling bogies 5, therefore during polystyrene riffled tube injection molding, pass through plasticizing apparatus first
1 obtained injection raw material, is then injected by plastic injection equipment 2 in reinforcement pipe mold 4, is demoulded being realized by lifting gear 3,
It is realized and is molded by transport trolley 5.So as to reduce demoulding and a large amount of manual operations during die sinking, reduce work people
The workload of member, shortens the time of demoulding, die sinking, improves work efficiency, reduce production cost.
The main function of plastic injection equipment 2 described in step B is that injection raw material is injected into mold, the plastic injection
Traditional plastic injection equipment may be used in machine 2.But traditional plastic injection equipment needs to control injection pressure by replacing hydraulic cylinder
Power, therefore the control of injection pressure is fairly cumbersome.Further, the plastic injection equipment, packet for the ease of control injection pressure
Include the upper table 21, sliding table 22 and lower table 27 from top to bottom set gradually；The both ends of the upper table 21
Guide post 24 described in guide post 24 is both provided between upper table 21 and lower table 27；24 one end of the guide post and upper work
Platform 21 is fixedly connected, and the other end is fixedly connected with lower workbench 27；The sliding workbench 22 connects with the sliding of guide post 24
It connects；It is provided with hydraulic cylinder 28 between the upper workbench 24 and sliding workbench 22, the hydraulic cylinder 28 is fixed on work
Make on platform 21, the telescopic end that the hydraulic cylinder 28 has is connect with sliding workbench 22；Under the sliding workbench 22
Surface is provided with injection and cuts somebody's hair 23；Injection molding material cylinder 25 is provided on the workbench 27, the injection cylinder 25 is located at injection and cuts somebody's hair
23 underface；It is provided with heating device 26 between the workbench 27 and injection molding material cylinder 25；It is described injection cut somebody's hair 23 outer diameter
The internal diameter having with injection molding material cylinder 25 matches；
25 upper end of injection molding material cylinder is provided with feed end 253；The internal diameter that the feed end 253 has is more than injection molding material cylinder
25 internal diameter；253 inner cavity of the feed end and the inner cavity of injection molding material cylinder 25 pass through 254 transition of the conical surface；It is set on the feed end 253
It is equipped with the charge door 251 of 253 inner cavity of connection feed end；25 bottom of injection molding material cylinder is provided with bottom of chamber in connection injection molding material cylinder 25
The injection-moulding nozzle 252 in portion；It is provided with valve on the injection-moulding nozzle 252.
The injection cut somebody's hair 23 outer diameter with to be molded the internal diameter that has of material cylinder 25 and match be that pointed injection is cut somebody's hair 23 and injection molding material
The inner cavity transition cooperation of cylinder 25 or interference fit.The main function of the heating device 26 is realized to modeling in injection molding material cylinder 25
Material raw material is heated, and plastic raw materials cooled and solidified is avoided.The general heating device 26 uses electromagnetic oven.
Since 25 upper end of injection molding material cylinder is provided with feed end 253；The internal diameter that the feed end 253 has is more than injection molding
The internal diameter of material cylinder 25；253 inner cavity of the feed end and the inner cavity of injection molding material cylinder 25 pass through 254 transition of the conical surface.It therefore can be to note
It penetrates 23 positions of cutting somebody's hair to be oriented to, realizes and cut somebody's hair 23 position of injection is finely adjusted；Enable and injects cut somebody's hair 23 and injection molding material
The inner cavity of cylinder 25 coordinates.It avoids injection 23 longtime runnings injection, 23 generations of cutting somebody's hair of cutting somebody's hair from deviating on a small quantity, is injected in injection process
23 shocks of cutting somebody's hair injection molding material cylinder 25 causes the generation of injection molding 25 damage accident of material cylinder.
During injection molding：
Plastic raw materials are prepared by plasticizing apparatus first, plastic raw materials are then sent to injection molding material by feed inlet 251
In cylinder 25.Then injection-moulding nozzle 252 is connected to the die cavity for the mold being molded.Start hydraulic cylinder 28, hydraulic cylinder 28
Drive sliding workbench 22 move down, at this time slide workbench drive injection cut somebody's hair 23 extend into injection molding material cylinder 25 in squeeze modeling
Expect raw material, when being molded that pressure reaches injection and requires in material cylinder 25, opens the valve being connected on the injection-moulding nozzle 252 of injection-tube
Door, is molded to realize that plastic raw materials are injected by injection molding tube in mold with very fast injection speed.
In conclusion plastic injection equipment of the present invention, since 25 upper end of injection molding material cylinder is provided with feed end 253；Institute
State the internal diameter that the internal diameter that feed end 253 has is more than injection molding material cylinder 25；The inner cavity of 253 inner cavity of the feed end and injection molding material cylinder 25
Pass through 254 transition of the conical surface；The charge door 251 of 253 inner cavity of connection feed end is provided on the feed end 253；Therefore plasticizing is set
Standby cut somebody's hair with injection when injection raw material is added into injection molding material cylinder 25 23 not will produce interference；It is needing to add injection raw material simultaneously
The discharge nozzle of plasticizing setting is molded the top of material cylinder 25 by Shi Buxu by being manually placed at, therefore simplifies operation, is improved
Feed efficiency.Secondly as 253 inner cavity of the feed end and the inner cavity of injection molding material cylinder 25 pass through 254 transition of the conical surface；The conical surface 254
Can cut somebody's hair to injection and 23 play guiding role, injection is avoided to cut somebody's hair 23 when there is the less offset of position, injection molding cut somebody's hair 23 with
Injection molding material cylinder 25 hits the damage for causing injection molding to cut somebody's hair 23 or injection molding material cylinder 25；Therefore the steady of injection device work can be improved
It is qualitative.
Further, in order to meet different plastic injections to inject flow velocity requirement；Further, the injection molding spray
There are two mouth 252 at least has, and the internal diameter that any two injection-moulding nozzle 252 has is different.Due to 25 bottom of injection molding material cylinder
It is provided with the different injection-moulding nozzle 252 of at least two internal diameters, connection injection molding 25 intracavity bottom of material cylinder of the injection-moulding nozzle 252；Institute
It states and is provided with valve on injection-moulding nozzle 252.Therefore it can be connected during carrying out injection molding to different plastics different
Injection-moulding nozzle 252, the valve that will be connected with the injection-moulding nozzle 252 of injection molding tube opens, the valves of other injection-moulding nozzles 252 closes
It closes.Requirement of the different plastic injections to injection flow velocity can be met；To expand the scope of application of plastic injection equipment, Neng Goubao
Demonstrate,prove the quality of injecting products.Simultaneously multiple injection-moulding nozzles 252 can connect simultaneously injection molding tube to different injection forming molds into
Row injection molding, it is easy to operate, it is convenient for the connection of injection molding tube.
In order to avoid injection cuts somebody's hair 23 after the plastic raw materials that will be molded in material cylinder 25 have squeezed and in injection molding material cylinder 25
Bottom of chamber portion collides.Further, be provided on the guide post 24 limit slippage platform 22 drop to injection cut somebody's hair 23 with note
The limited block 241 of 25 intracavity bottom of plastics cylinder contact.
For the ease of processing and manufacturing；Outer circumference surface upper edge even circumferential point of the injection-moulding nozzle 252 in injection molding material cylinder 25
Cloth.
It is cut somebody's hair and 23 is contacted with the higher plastic raw materials of temperature for a long time due to injection, cut somebody's hair 23 head of injection is easy out
Now damage；23 are cut somebody's hair in order to avoid replacing entire injection when being safeguarded, further, the injection is cut somebody's hair the setting of 23 lower ends
Cut somebody's hair 231, described cut somebody's hair 231 is cut somebody's hair with injection and 23 be detachably connected；The 231 outer diameter ratio injection molding material cylinders 25 having of cutting somebody's hair
The big 0.2~0.5mm of internal diameter.Due to cutting somebody's hair, the outer diameter that 231 have is bigger 0.2~0.5mm than the internal diameter for being molded material cylinder 25, energy
It is enough ensure to cut somebody's hair 231 be interference fitted with the inner cavity of injection molding material cylinder 25, avoid due to cut somebody's hair caused by thermal expansion 231 with injection molding material cylinder
Occur gap between 25, causes the leakage of injection raw material.
It connect and dismantles with the quick of injection-moulding nozzle 252 for the ease of injection molding tube；Further, the injection-moulding nozzle 252
Using the pin end of quick coupling.
In order to enable plastic raw materials can and be flowed into injection molding material cylinder 25 in, further, the feed inlet 251 to
There are two few tools, and is distributed in 253 outer circumference surface upper edge even circumferential of feed end.
In order to cost-effective, it is easily installed setting；Preferably, the heating device 26 uses electric furnace, the electricity to add
There is hot stove resistance heating plate 261, the resistance heating plate 261 to be located at the underface of 25 bottom of injection molding material cylinder.
4 main function of reinforcement pipe mold described in step D is that injection raw material is condensed to be shaped to polystyrene
Riffled tube；Existing reinforcement pipe mold may be used in the reinforcement pipe mold 4, but existing reinforcement pipe mold is due to two and half
The clamping screw that cavity plate is attached is easily damaged, and service life is shorter, is needed to be replaced frequently, therefore maintenance cost is higher.
Therefore it is safeguarded to reduce, reduces production cost, further, the reinforcement pipe mold 4 includes punch-pin 41, cavity plate；It is described recessed
Mould includes two and half cavity plates 42；It is provided with riffled tube die cavity on half cavity plate 42；It is provided in the riffled tube die cavity along half
Semi-ring connected in star 431 on 42 length direction of cavity plate uniformly respectively；One and half cavity plates 42 in two and half cavity plate 42 are under
Supreme 1/2~3/4 position is provided with injecting hole 427；Another block of half cavity plate 42 from the bottom to top 1/9~1/8 position be provided with
It is connected to the gas vent 425 of riffled tube die cavity；Half cavity plate 42 has joint face 426；Two and half cavity plate 42 is along joint face
426 Symmetric Composites form cavity plate；The edge extended to half cavity plate, 42 outside is provided on the joint face 426 of half cavity plate 42
422；Bolt hole 423 is provided on the edge 422, the center of the bolt hole 423 is located at center line O1O2Close to reinforcement pipe die
The side of chamber；The center line O1O2For the perpendicular bisector in 422 outside of edge to distance between cavity plate internal diameter；On half cavity plate 42
Clamping screw is installed, the clamping screw passes through the bolt hole 423 of two and half cavity plates 42 to lock two and half cavity plates 42；It is described convex
41 one end of mould is inserted into cavity plate to be coordinated with cavity plate, and riffled tube forming cavity 43 is formed between the punch-pin 41 and cavity plate；The punch-pin
41 one end is provided with flange 411, and the flange 411 is connect by bolt with cavity plate.
Due to one and half cavity plates 42 in two and half cavity plate 42 from the bottom to top 1/2~3/4 position be provided with injection molding
Hole 427；Another block of half cavity plate 42 from the bottom to top 1/9~1/8 position be provided with connection riffled tube die cavity gas vent 425；Institute
Stating half cavity plate 42 has joint face 426；Two and half cavity plate 42 forms cavity plate along 426 Symmetric Composite of joint face；It therefore can
Ensure that injection raw material is injected into cavity plate, the air in cavity plate can be completely exhausted out from gas vent 425.
During injection molding riffled tube：
First two and half cavity plates 42 are combined to form cavity plate；Two and half cavity plates 42 are symmetrically placed, it is recessed by two and half
Mould 42 is positioned, and then two and half cavity plates 42 are locked to clamping screw across bolt hole 423.
After cavity plate is completed, punch-pin 41 is inserted into cavity plate, while by bolt by the flange and cavity plate of punch-pin 41
Connection；After mold is completed, riffled tube is injected by the injecting hole 427 on half cavity plate 42 by stoste is molded by injection molding machine
In forming cavity 43, the air in riffled tube forming cavity 43 is discharged by gas vent hole 425 at this time；Then it is cooled down, Deng Daojia
After the molding of muscle pipe, punch-pin 41 is dismantled；Finally two and half cavity plates 42 are split, to take out riffled tube.On being repeated after taking-up
Another batch of riffled tube can be produced by stating step.
In conclusion mode locking of the present invention is firmly molded reinforcement pipe mold, due to the joint face in half cavity plate 42
Bolt hole 423 is set on 426 edge 422, while the center of bolt hole 423 is located at center line O1O2Close to riffled tube die cavity
Side, therefore can effectively increase the coupling mechanism force of clamping screw, to be capable of providing larger mode locking using identical bolt
Power.Therefore the damage that bolt can be reduced extends the service life of bolt, reduces the requirement to clamping screw, while in mode locking
The quantity that clamping screw can be reduced in the case that power is constant, so as to reduce cost.
For the ease of half cavity plate 42 combination installation when positioning, further, during the center of the bolt hole 423 is located at
Heart line O1O2Close to the side of riffled tube die cavity；Center line O1O2The other side be provided with dowel hole 424.When mounted first
Positioning pin is inserted into dowel hole 24, to accurately position two and half cavity plates 42；Then again by clamping screw by two
Half cavity plate 42 of block is locked.
In order to improve the accuracy of positioning accuracy, further, the dowel hole 424 on the edge 422 at least has
Two.
In order to as much as possible reduce requirement of the cavity plate to clamp force, while meeting plastic pipe molding to mold wall thickness
Requirement.The center of the most preferred bolt hole 423 is located at center line O1O2Close to the side of riffled tube die cavity；The bolt
The spacing of the centre distance riffled tube mould intracavity wall in hole 423 is 6mm.Since bolt hole 423 is with a distance from riffled tube mould intracavity wall
Smaller, the clamp force that 423 internal locking bolt of bolt hole is subject to is smaller, but the wall thickness between bolt hole 423 and riffled tube die cavity
It is thinner, it is therefore preferable that the spacing of the centre distance riffled tube mould intracavity wall of the bolt hole 423 is 6mm.Ensureing that wall thickness wants
While asking, requirement of the cavity plate to clamp force can be reduced to greatest extent.
In order to increase the intensity of half cavity plate 42, while reducing the influence for double of the cavity plate 42 that expand with heat and contract with cold.Further, described
It is provided with semi-circular reinforcing rib 421 on the outer surface of half cavity plate 2.
The main function of die lifting device 3 described in step E is the lifting for the punch-pin 41 for realizing reinforcement pipe mold 4,
To realize draft.Electric block may be used in the lifting gear 3, but uses electric block troublesome in poeration, in promotion
It is susceptible to shaking in the process, can not achieve the positioning in horizontal direction.Therefore the draft for the ease of punch-pin 41 and installation, into
One step, the die lifting device 3 includes holder 31, top beam 32, slide plate 33；The top beam 32 is arranged on the top of holder 31
Portion, the slide plate 33 are mounted on the lower section of top beam 32, and are slidably connected with holder 31；It is arranged between the top beam 32 and slide plate 33
There is lifting hydraulic cylinder 34；The telescopic end that the lifting hydraulic cylinder 34 has is fixedly connected with slide plate 33, the lifting hydraulic cylinder 34
The other end be fixed on top beam 32；33 lower surface of the slide plate be provided with connection push rod 35, described 35 one end of connection push rod and
Slide plate 33 is fixedly connected, and the other end is detachably connected with punch-pin 41.
The die lifting device 3 using the above structure, during being lifted to punch-pin 41, directly passes through push rod
35 are attached with punch-pin 41, and since push rod 35 is fixed on slide plate 33, slide plate 33 is connect with bracket slide, and the slide plate 33
It can only be slided up and down along holder 31, therefore the position in 41 horizontal direction of punch-pin can be limited by push rod 35, pass through push rod 35
Promotion or decline, the position on 41 vertical direction of punch-pin can be adjusted, while connecting 35 energy of push rod during the decline
It is enough that a thrust is applied to punch-pin 41, be conducive to the installation of punch-pin 41.
The main function of transport trolley 5 described in step F is to drive two and half cavity plates 42 of reinforcement pipe mold 4 to opposite
Direction movement, realize the die sinking of cavity plate.For the ease of controlling the conveying direction of transport trolley 5, convenient for leading for transport trolley 5
To further, the lower section of transport trolley 5 described in step F is provided with guide rail 6.It can be incited somebody to action to be accurately controlled transport trolley 5
Reinforcement pipe mold is transported to specified place, further, locating piece 61 is provided on the conduit 6.The transport trolley 5 can
To use trolley, in order to reduce artificial working strength, working efficiency is improved, it is preferred that the transport trolley 5 is using electronic
Trolley.
Embodiment 1
Raw material proportioning：Television cabin regenerates 60 parts of reclaimed materials with polystyrene (PS), and woven bag is with regenerating polypropylene (PP)
40 parts of reclaimed materials, antioxidant 1010 are 0.5 part, and compatilizer SEBS is 2 parts.
It is matched according to above-mentioned raw materials, is produced using the exemplary method of specific embodiment part, obtain regenerated polyphenylene
Ethylene tube.
The performance test results of gained regenerated polystyrene pipe are as shown in table 1.
Embodiment 2
Raw material proportioning：Television cabin regenerates 70 parts of reclaimed materials with polystyrene (PS), and woven bag is with regenerating polypropylene (PP)
30 parts of reclaimed materials, 0.7 part of antioxidant three [2,4- di-tert-butyl-phenyl] phosphite ester, compatilizer SEBS are 1 part.
It is matched according to above-mentioned raw materials, is produced using the exemplary method of specific embodiment part, obtain regenerated polyphenylene
Ethylene tube.
The performance test results of gained regenerated polystyrene pipe are as shown in table 1.
Embodiment 3
Raw material proportioning：Television cabin regenerates 80 parts of reclaimed materials with polystyrene (PS), and woven bag is with regenerating polypropylene (PP)
20 parts of reclaimed materials, antioxidant are four [β-(3,5- di-tert-butyl -4- hydroxy phenyls) propionic acid] 1 part of pentaerythritol esters, compatilizer
SEBS is 3 parts.
It is matched according to above-mentioned raw materials, is produced using the exemplary method of specific embodiment part, obtain regenerated polyphenylene
Ethylene tube.
The performance test results of gained regenerated polystyrene pipe are as shown in table 1.
As shown in Table 1, buried rows of the more commercially available PP of regenerated polystyrene pipe made from formula and processing technology through the invention
For water pipe, the tubing of two kinds of identical weights, the ring stiffness of present invention gained regenerated polystyrene pipe is compared with PP buried drain pipes
Ring stiffness improves a grade.
The mechanical property of regenerated polystyrene pipe and PP pipes obtained by 1 embodiment of table compares
Claims (11)
1. regenerated polystyrene pipe, which is characterized in that including following raw material in parts by weight：
The regenerated polystyrene pipe is made using following production technologies, and the production technology includes the following steps：
1) polystyrene reworked material and polypropene recycled materials are cleaned broken；
2) gained polystyrene regeneration broken material, polypropylene in step 1) are regenerated into broken material together with antioxidant, compatilizer
It introduces polystyrene injection-molding finned tube production line and obtains regenerated polystyrene pipe；
Wherein, the polystyrene injection-molding finned tube production line, including plasticizing apparatus (1), plastic injection equipment (2), mold
Lifting gear (3), reinforcement pipe mold (4) and transport trolley (5)；
There is the plasticizing apparatus (1) injection raw material to export (11)；The injection raw material outlet (11) and plastic injection equipment (2)
Material inlet is connected to；The plastic injection equipment (2) has injection port, the injection molding that the injection port has with reinforcement pipe mold (4)
Hole is connected to；The reinforcement pipe mold (4) is located at below die lifting device (3), and the reinforcement pipe mold (4) passes through die lifting
Device draft；The cavity plate that the reinforcement pipe mold (4) has is made of two and half cavity plates (42)；Two and half cavity plate (42)
Bottom is separately mounted on two travelling bogies (5).
2. regenerated polystyrene pipe according to claim 1, which is characterized in that the polystyrene reworked material is television cabin
Reclaimed materials is regenerated with polystyrene, the polypropene recycled materials are that woven bag polypropylene regenerates reclaimed materials.
3. regenerated polystyrene pipe according to claim 1 or claim 2, which is characterized in that
The compatilizer is at least one of styrene-butadiene-styrene triblock copolymer or polyolefin elastomer；
The antioxidant is antioxidant 168, antioxidant 1010, four [β-(3,5- di-tert-butyl -4- hydroxy phenyls) third
Acid] at least one of pentaerythritol ester or three [2,4- di-tert-butyl-phenyls] phosphite esters.
4. regenerated polystyrene pipe according to claim 1 or claim 2, which is characterized in that the raw material of the regenerated polystyrene pipe
Further include at least one of toughener, lubricant, filler or coupling agent.
5. regenerated polystyrene pipe according to claim 3, which is characterized in that the raw material of the regenerated polystyrene pipe also wraps
Include at least one of toughener, lubricant, filler or coupling agent.
6. the production technology of any one of Claims 1 to 5 regenerated polystyrene pipe, which is characterized in that include the following steps：
1) polystyrene reworked material and polypropene recycled materials are cleaned broken；
2) gained polystyrene regeneration broken material, polypropylene in step 1) are regenerated into broken material together with antioxidant, compatilizer
It introduces polystyrene injection-molding finned tube production line and obtains regenerated polystyrene pipe；
Wherein, the polystyrene injection-molding finned tube production line, including plasticizing apparatus (1), plastic injection equipment (2), mold
Lifting gear (3), reinforcement pipe mold (4) and transport trolley (5)；
There is the plasticizing apparatus (1) injection raw material to export (11)；The injection raw material outlet (11) and plastic injection equipment (2)
Material inlet is connected to；The plastic injection equipment (2) has injection port, the injection molding that the injection port has with reinforcement pipe mold (4)
Hole is connected to；The reinforcement pipe mold (4) is located at below die lifting device (3), and the reinforcement pipe mold (4) passes through die lifting
Device draft；The cavity plate that the reinforcement pipe mold (4) has is made of two and half cavity plates (42)；Two and half cavity plate (42)
Bottom is separately mounted on two travelling bogies (5).
7. the production technology of regenerated polystyrene pipe according to claim 6, it is characterised in that：By polyphenyl second in step 2)
Alkene regeneration broken material, polypropylene regeneration broken material and antioxidant, compatilizer are concomitantly introduced into polystyrene injection-molding riffled tube
Production line obtains regenerated polystyrene pipe and includes the following steps successively：
A, polystyrene is regenerated into broken material, polypropylene regeneration broken material and antioxidant, compatilizer first and is put into plasticizing dress
It sets in (1) and is plasticized to obtain injection raw material；
B, and then by conduit the mold for injection raw material being transported in plastic injection equipment (2), while being used according to injection molding
The injection pressure of requirement setting plastic injection equipment (2) to injection pressure；
C, injection raw material is sent in reinforcement pipe mold (4) by plastic injection equipment (2) and is added until injection raw material is completely filled with
The die cavity of muscle pipe mold (4)；
D, wait for that riffled tube is taken out in the injection raw material cooled and solidified die sinking in reinforcement pipe mold (4)；
E, and then clamping screw on reinforcement pipe mold (4) is removed, then by the punch-pin (41) and die lifting of reinforcement pipe mold
Device (3) connects, and promoting punch-pin (41) by die lifting device (3) realizes demoulding；
F, operation transport trolley (5) drives two and half cavity plates (42) of reinforcement pipe mold (4) to move realization pair in the opposite direction
Reinforcement pipe mold (4) molds, and to take out riffled tube after molding in cavity plate, completes being molded into for regenerated polystyrene pipe
Type.
8. the production technology of regenerated polystyrene pipe according to claim 7, it is characterised in that：Step B) in use modeling
Expect injector (2), including upper table (21), sliding table (22) and the lower table (27) from top to bottom set gradually；
The both ends of the upper table (21) are both provided with guide post (24), and the guide post (24) is located at upper table (21) and lower table
(27) between；Described guide post (24) one end is fixedly connected with upper table (21), and the other end is fixedly connected with lower table (27)；
The sliding table (22) is slidably connected with guide post (24)；It is arranged between the upper table (21) and sliding table (22)
There is hydraulic cylinder (28), the hydraulic cylinder (28) to be fixed on upper table (21), the telescopic end that the hydraulic cylinder (28) has with
Sliding table (22) connects；Sliding table (22) lower surface is provided with injection and cuts somebody's hair (23)；The lower table
(27) it is provided with injection molding material cylinder (25) on, the injection molding material cylinder (25) is located at injection and cuts somebody's hair the underface of (23)；The lower work
It is provided with heating device (26) between platform (27) and injection molding material cylinder (25)；It is described injection cut somebody's hair (23) outer diameter with injection molding material cylinder
(25) the internal diameter matching having；
Injection molding material cylinder (25) upper end is provided with feed end (253)；The internal diameter that the feed end (253) has is more than injection molding material
The internal diameter of cylinder (25)；Feed end (253) inner cavity and the inner cavity of injection molding material cylinder (25) pass through the conical surface (254) transition；It is described to add
The charge door (251) of connection feed end (253) inner cavity is provided on material end (253)；Injection molding material cylinder (25) bottom is provided with
The injection-moulding nozzle (252) being connected to injection molding material cylinder (25) intracavity bottom；It is provided with valve on the injection-moulding nozzle (252).
9. the production technology of regenerated polystyrene pipe according to claim 7, it is characterised in that：What is used in step C adds
Muscle pipe mold (4) includes punch-pin (41), cavity plate；The cavity plate includes two and half cavity plates (42)；It is arranged on half cavity plate (42)
There is riffled tube die cavity, the equally distributed semi-ring connected in star along half cavity plate (42) length direction is provided in the riffled tube die cavity
(431)；One and half cavity plates (42) in two and half cavity plate (42) from the bottom to top 1/2~3/4 position be provided with injecting hole
(427)；Another piece of half cavity plate (42) from the bottom to top 1/9~1/8 position be provided with connection riffled tube die cavity gas vent
(425)；Half cavity plate (42) has joint face (426)；Two and half cavity plate (42) is along joint face (426) Symmetric Composite shape
At cavity plate；The edge (422) to extension on the outside of half cavity plate (42) is provided on the joint face (426) of half cavity plate (42)；Institute
It states and is provided with bolt hole (423) on edge (422), the center of the bolt hole (423) is located at center line O1O2Close to reinforcement pipe die
The side of chamber；The center line O1O2For the perpendicular bisector in edge (422) outside to distance between cavity plate internal diameter；Half cavity plate
(42) clamping screw is installed, the clamping screw passes through bolt hole (423) locking two and half of two and half cavity plates (42) recessed on
Mould (42)；Described punch-pin (41) one end is inserted into cavity plate to be coordinated with cavity plate, and the punch-pin (41) forms riffled tube between cavity plate
Forming cavity (43)；One end of the punch-pin (41) is provided with flange (411), and the flange (411) is connect by bolt with cavity plate.
10. the production technology of regenerated polystyrene pipe according to claim 7, it is characterised in that：The mould used in step E
It includes holder (31), top beam (32), slide plate (33) to have lifting gear (3)；The top beam (32) is arranged at the top of holder (31),
The slide plate (33) is mounted on the lower section of top beam (32), and is slidably connected with holder (31)；The top beam (32) and slide plate (33)
Between be provided with lifting hydraulic cylinder (34)；The telescopic end that the lifting hydraulic cylinder (34) has is fixedly connected with slide plate (33), institute
The other end for stating lifting hydraulic cylinder (34) is fixed on top beam (32)；Slide plate (33) lower surface is provided with connection push rod
(35), the connection push rod (35) one end is fixedly connected with slide plate (33), and the other end is detachably connected with punch-pin (41).
11. application of the regenerated polystyrene pipe in buried drain pipe, wherein the regenerated polystyrene pipe is claim 1
~5 any one of them polystyrene tubes or regenerated polystyrene pipe are to be given birth to using claim 6~10 any one of them
Production. art is prepared.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514010.6A CN106166820B (en) | 2016-07-04 | 2016-07-04 | Regenerated polystyrene pipe and its production technology and application |
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|---|---|---|---|
| CN201610514010.6A CN106166820B (en) | 2016-07-04 | 2016-07-04 | Regenerated polystyrene pipe and its production technology and application |
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| CN106166820A CN106166820A (en) | 2016-11-30 |
| CN106166820B true CN106166820B (en) | 2018-11-09 |
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| CN111070590B (en) * | 2019-12-12 | 2022-05-31 | 广州明诚通机器人科技有限公司 | Production method and production system of full-automatic special-shaped plastic toy |
| CN112759876A (en) * | 2020-12-24 | 2021-05-07 | 金发科技股份有限公司 | Environment-friendly polystyrene alloy material and preparation method and application thereof |
| CN114276641B (en) * | 2021-11-26 | 2023-06-06 | 中国电器科学研究院股份有限公司 | Regenerated HIPS/PP alloy material based on in-situ compatibilization and chain extension and preparation method thereof |
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| EP0849063A1 (en) * | 1995-11-17 | 1998-06-24 | Husky Injection Molding Systems Ltd. | Modular mold cooling system |
| CN2830038Y (en) * | 2005-07-21 | 2006-10-25 | 杜元浩 | Plastic moulding pressure tube mould |
| CN202480307U (en) * | 2012-03-20 | 2012-10-10 | 济南泰星精细化工有限公司 | Device for manufacturing plastic flanges |
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| JP4024654B2 (en) * | 2002-11-19 | 2007-12-19 | 和興フィルタテクノロジー株式会社 | Mold for injection molding of center tube for filter body and method for manufacturing center tube for filter body |
| CN101768312B (en) * | 2008-12-26 | 2012-06-13 | 深圳市科聚新材料有限公司 | High-gloss and high-impact resistance PS / PP composite for manufacturing telephone case and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0849063A1 (en) * | 1995-11-17 | 1998-06-24 | Husky Injection Molding Systems Ltd. | Modular mold cooling system |
| CN2830038Y (en) * | 2005-07-21 | 2006-10-25 | 杜元浩 | Plastic moulding pressure tube mould |
| CN202480307U (en) * | 2012-03-20 | 2012-10-10 | 济南泰星精细化工有限公司 | Device for manufacturing plastic flanges |
| CN103665620A (en) * | 2013-12-04 | 2014-03-26 | 中塑联新材料科技湖北有限公司 | Modifier for regeneration processing of mixed waste plastic tube material and usage method thereof |
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