CN102601961A - Device for preparing nano laminated composite material with adjustable layers - Google Patents
Device for preparing nano laminated composite material with adjustable layers Download PDFInfo
- Publication number
- CN102601961A CN102601961A CN2012100693415A CN201210069341A CN102601961A CN 102601961 A CN102601961 A CN 102601961A CN 2012100693415 A CN2012100693415 A CN 2012100693415A CN 201210069341 A CN201210069341 A CN 201210069341A CN 102601961 A CN102601961 A CN 102601961A
- Authority
- CN
- China
- Prior art keywords
- composite
- mould
- current divider
- melt
- runner
- 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.)
- Granted
Links
Images
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
- B29C48/495—Feed-blocks
Abstract
The invention discloses a device for preparing a nano laminated composite material with adjustable layers. The device comprises a plasticizing feeding device, a flow gatherer, a flow divider, a neck mould, a composite laminator, a rear end neck mould and a forming device which are sequentially in series connection from front to back. N melts plasticized by the plasticizing feeding device are superposed together by the flow gatherer and the superposed melts are equally divided into four parts along the width direction when passing through the flow divider, each melt flows to the neck mould of a sprue, the neck mould can be rotatably adjusted at an initial position at which four inlets are communicated or at a second position at which two inlets are communicated, an outlet of the neck mould is connected with the composite laminator, a composite material with a multilayer structure with 4nXmk or 2nXmk layers can be finally superposed by adjusting the position of the neck mould, and the melts continue to flow forwards and pass through the forming device, so that a final product is obtained. The composite laminator is high in layering efficiency, the number of units in series connection can be decreased, pressure loss is greatly reduced, and layers of the finally obtained composite material are changed by rotatably adjusting the position of the neck mould.
Description
Technical field
The invention belongs to the advanced material processing technique field, relate to the adjustable nano-stack Composite Preparation device of a kind of number of plies, can extrude or the composite injection moulding prepares multi-layer compound structure macromolecular material and goods through compound.
Background technology
The micro-nano laminated composite materials is owing to have unique advantage at aspects such as mechanical property, barrier property, electric conductivity, optical properties, and application prospect is extensive, thereby becomes the research focus of field of materials.At present disclosed patent has United States Patent (USP) 3557265,3565985,3884606 the earliest, and Chinese patent CN1511694A afterwards, 200610022348.6 etc.A nearest patent of invention 2009202718783 discloses a kind of nano-stack Composite Preparation device, and this device has been broken through the restriction that original technology is divided into two; Can realize that one is divided into three even more; Yet, adopt this technical scheme, obtain the composite of the different numbers of plies; Must change the series connection number of the compound generator of lamination, complicated operation is dumb.And; The consideration of proceeding from the reality, the inlet of the compound generator of lamination is counted m can not be too many, because divide mouthful number bring bigger difficulty too much not only can for the processing of the compound generator of lamination; Also can cause final melt flows uneven phenomenon, thereby influence the Forming Quality of laminated composite materials.On the other hand, the series connection of the compound generator of lamination is also unsuitable too much, because along with the increase of serial number, flow resistance increases, the back pressure of generation also constantly increases, when the compounding flux moulding even possibly cause flash.Therefore, desirable high quality nano level laminated composite materials be sought out, more effectively solution must be sought, to overcome above-mentioned deficiency.
Summary of the invention
To prior art in the deficiency aspect the preparation high-performance nano laminar composite, the object of the invention aim to provide a kind ofly cut apart that efficient is higher, the symmetry that flows is good, the pressure loss is little and can change the lamination apparatus of the composite material forming number of plies simply and effectively through rotation lamination device front port mould in the delaminating process.Simultaneously, can this technology be extended to the injection moulding field from the extrusion molding field; And can be adapted to the preparation and the processing and forming of multiple nano composite material.
The concrete technical scheme that can realize the foregoing invention purpose is following: the nano-stack Composite Preparation device that a kind of number of plies is adjustable; The plasticizing feeding device that is connected in series successively before and after mainly comprising, junction station, current divider, mouthful mould, composite laminate device, rear end junction station and shaped device; Junction station will be overlapped into the compounding flux of n layer from the melt of n plasticizing feeding device; The thickness of interlayer can be identical also can be inequality, guarantee by the runner gap of interlayer.The outlet of junction station is docked with the inlet of current divider; Current divider has four inlets, and compounding flux broad ways average mark when leaving junction station entering current divider is slit into the quartering, and wherein two runners in the outside are the straight horizontal runner; And structure is symmetrical; And two inboard runners upwards turn 90 degrees with turning round downwards respectively, the vertical runner the when horizontal run during all by inlet changes outlet into, and the structure of two runners is also symmetrical.And these four runners lay respectively at 0 degree, 90 degree, 180 degree and the 270 degree positions of same circumference on the pelvic outlet plane of current divider.The melt that comes out from each runner of current divider continues to flow to forward in the mouth mould of butt joint with it.Mouthful mould is having the straight channel with the corresponding vertical and horizontal direction of current divider outlet with position, the left and right sides up and down; Suppose that be the initial position of mouthful mould when the connection corresponding with the outlet of current divider of these four inlets; In addition; Become also to be furnished with two identical circumference balance runners of shape size on the 45 degree directions in horizontal run with this mouthful mould; If the mouth mould is turned over 45 degree by initial position along counterclockwise or clockwise direction, then a mouthful mould will have only two runners inlets to be communicated with the outlet of current divider, suppose the second place of this position for the mouth mould.So, through changing the link position of mouthful mould, can change mouthful runner number that mould was communicated with, thereby change the composite number of plies of final molding.The entrance channel of composite laminate device can dock with mouthful outlet flow of mould initial position fully, and these four runners are distributed in 0 degree, 90 degree, 180 degree and the 270 degree positions of same circumference equally.The inlet of each runner is slit into the m equal portions by average mark; Turn round when each equal portions continues forward to flow in the lamination device turn 90 degrees and broadening m doubly; Confluxing each other at separately the port of export becomes the laminated construction of n * m layer, and composite laminate device inlet melt canal size is with to revolve the melt canal that turn 90 degrees the back outlet measure-alike; Dock the composite laminate device that same revolving turn 90 degrees again, then each runner in exit can obtain the laminated construction of n * m * m layer; If k same composite laminate device of series connection, then each runner in last composite laminate device exit can obtain 4 * n * m
kThe sandwich construction composite of layer; The outlet of last composite laminate device is docked with the rear end junction station; One group of runner in the junction station of rear end is symmetrical straight channel, and another group balance runner is turned round and turn 90 degrees the back and flatten and to converge, and the MULTILAYER COMPOSITE melt that comes out from these four runners finally is overlapped into 4 * n * m
kThe sandwich construction composite of layer (this moment, a mouthful mould was positioned at initial position) or 2 * n * m
kThe sandwich construction composite of layer (this moment, a mouthful mould transferred to the second place) obtains end article thereby these multilayer materials can continue to move forward into shaped device at last.N and m are not less than 2 integer, and k is not less than 1 integer.For example: after the macromolecule melt of two kinds of components confluxed through the compound generator of the lamination of 5 five equilibriums, 5 the identical composite laminate devices of connecting, if when the very moment mould is in initial position, then can obtain total number of plies is 4 * 2 * 5
5=25000 layers multi-layer compound structure body; This stratiform melt is extruded from the outlet of the thick shaped device of 1mm; The layer thickness mean value of two kinds of macromolecular materials is 40nm, if when further it being stretched to 0.1mm thickness, the layer thickness of every kind of macromolecular material of this composite can reach 4nm; And when rotating to the second place to a mouthful mould, can obtain total number of plies is 2 * 2 * 5
5The multi-layer compound structure body of layer; This stratiform melt is extruded from the outlet of the thick shaped device of 1mm; The layer thickness mean value of two kinds of macromolecular materials is 80nm, if when further it being stretched to 0.1mm thickness, the layer thickness of every kind of macromolecular material of this composite can reach 8nm.
The nano-stack Composite Preparation device that a kind of number of plies of the present invention is adjustable, if be used as a series circulation unit with current divider, mouthful mould, composite laminate device, rear end junction station are whole, the number of plies of so plastic sandwich construction composite is n * (4 * m)
kOr n * (2 * m)
k, utilize the device of this structure can more easily prepare the nano composite material of layer thickness less than 100nm, and under without the situation of dismounting composite laminate device through regulating the multilayer materials that mouthful mould position one-shot forming obtains the different numbers of plies.Because the composite laminate device layering efficient that the present invention adopts is high, reach identical hierarchy number, the series unit number reduces; The runner symmetry is good, and relevant pressure loss reduces significantly, thereby fills at a high speed in the injection moulding that mould flows at needs and also can adopt; Simultaneously, revolve the design that turn 90 degrees after melt is cut apart and make the lamination runner in the process of broadening and attenuation that flows, keep the symmetric form structure easily, designing and manufacturing technique is simple; Precision guarantees easily; And the adaptability to material improves greatly, in addition, also can change the number of plies of final composite through adjusting mouthful mould.
The plasticizing feeding device of the nano-stack Composite Preparation device that a kind of number of plies of the present invention is adjustable is extruder, injection machine or die casting machine.The material of plasticizing feeding device processing is polymer-based composite, ceramic matric composite or metal-base composites.Shaped device is the combination or the compacting tool set of extruder head, injection nozzle and mould.Each straight channel inlet of mouth mould is positioned on the same circumference, and rotating die changes the mouth mould inlet of opening.
The present invention can be widely used in preparing the nano-stack composite of various melt blending processing; But Direct Production film, sheet material and type material in the polymer composite field; Also masterbatch can be produced, production fields such as ceramic matric composite, metal-base composites can also be promoted the use of.
Description of drawings
Fig. 1 is the surface structure sketch map of the adjustable nano-stack Composite Preparation device (extrusion molding) of a kind of number of plies of the present invention.
Fig. 2 is the adjustable nano-stack Composite Preparation device lamination composite principle sketch map of a kind of number of plies of the present invention.
Fig. 3 is the inlet left view when mouthful mould is positioned at initial position in the adjustable nano-stack Composite Preparation device of a kind of number of plies of the present invention, and the mouth mould that is positioned at horizontal and vertical position has melt to flow out, and flow export is four.
Fig. 4 is the inlet left view when mouthful mould is positioned at the second place in the adjustable nano-stack Composite Preparation device of a kind of number of plies of the present invention, and the mouth mould that is positioned at the upright position has melt to flow out, and flow export is two.
Fig. 5 is the surface structure sketch map of the adjustable nano-stack Composite Preparation device (injection moulding) of a kind of number of plies of the present invention.
Among the figure: 1 plasticizing feeding device; 2 junction stations; Melt in the 2-1 junction station; Melt in the 2-2 current divider; Melt in the 2-3 mouth mould; Melt in the 2-4 composite laminate device; Melt in the 2-5 rear port mould; 3 current dividers; 4 mouthfuls of moulds; 5 composite laminate devices; 6 rear port moulds; 7 shaped devices; 8 nozzles; 9 moulds.
The specific embodiment
Embodiment 1
The nano-stack Composite Preparation device that the disclosed a kind of number of plies of present embodiment is adjustable; Monnolithic case is shown in accompanying drawing 1; Include plasticizing feeding device 1, junction station 2, current divider 3, mouthful mould 4, composite laminate device 5, rear port mould 6 and the shaped device 7 of two or many extruders, series connection successively before and after their.Junction station 2 will accumulate the macromolecule melt of n layer uniform thickness from the n kind macromolecule melt 2-1 of n platform plasticizing feeding device 1, and then melt is through current divider 3, and the melt broad ways is slit into 4 equal portions by average mark in current divider 3; Wherein, two parts of melts in the outside are along the straight horizontal flow passage, and two parts of inboard melt 2-2 revolve when flowing forward and turn 90 degrees; These two groups of melts are respectively symmetry and flow, and they flow into corresponding mouth mould inlet from the outlet of the current divider back of coming out, and Fig. 3 and Fig. 4 are respectively the state of mouthful mould when being positioned at the initial link position and second link position; Melt 2-3 in mouthful mould flows to four inlets of composite laminate device respectively forward along straight horizontal runner and vertical straight runner; The melt of each inlet is divided into the m equal portions, and each part melt 2-4 revolves when flowing forward and turn 90 degrees and broadening m times, and is last; The melt in four exits of composite laminate device flow into respectively carry out in the balance runner 2-5 of rear end junction station superimposed; As shown in Figure 2, if the mouth mould is transferred to initial position, then can form 4n * m
kThe sandwich construction composite of layer; If, then can form 2n * m with the mouth mould modulation second place
kThe sandwich construction composite of layer.After in the present embodiment macromolecule melt of two kinds of components being confluxed through the compound generator 5 of the lamination of 5 equal portions, 6 the identical composite laminate generators 5 of connecting, the available composite number of plies is 2 * 4 * 5
6=125000 layers or 2 * 2 * 5
6=62500 layers, when extruding multilayer materials into 1mm thickness sheet material, the layer thickness of this composite can reach 8nm (when a mouthful mould is positioned at initial position) or 16nm (when a mouthful mould is positioned at the second place), thereby this device capable of using prepares nanocomposite.
The runner of composite laminate device 5 can constitute through flush bonding module, and each module is combined by several parts of dissecing, and each skive can adopt digital control processing to obtain required shape.
The melt of laminated construction gets into shaped device and obtains goods after leaving the rear end junction station; The melt inlet of shaped device 7 is consistent with the melt outlet shape of rear end junction station; Melt carries out the transition to the required cross section of mouthful mould gradually in shaped device 7, obtain extruded product at last.
Embodiment 2
The example of the nano-stack Composite Preparation device that the disclosed other a kind of number of plies of present embodiment is adjustable; Shown in accompanying drawing 5, be composed in series successively by plasticizing feeding device 1, junction station 2, current divider 3, mouthful mould 4, composite laminate device 5, rear port mould 6, nozzle 8 and the mould 9 of two or many injection machines.Injection nozzle 8 constitutes shaped device with mould 9, and nozzle 8 links to each other with mould 9 during injection moulding.Melt finally has been built up 4n * m through junction station 2, current divider 3, mouthful mould 4, composite laminate device 5 when the rear port mould exports out
kLayer (a mouthful mould is positioned at initial position) or 2n * m
kThe sandwich construction composite of layer (mouthful mould is positioned at the second place), this compounding flux gets in the die cavity of mould 9 through nozzle 8 injections, can obtain macromolecule lamination composite injection molded article behind the cooling and shaping.
Claims (3)
1. nano-stack Composite Preparation device that the number of plies is adjustable; It is characterized in that: the plasticizing feeding device that is connected in series successively before and after mainly comprising, junction station, current divider, mouthful mould, composite laminate device, rear end junction station and shaped device; Junction station will be overlapped into the compounding flux of n layer from the melt of n plasticizing feeding device, and the outlet of junction station is docked with the inlet of current divider, and current divider has four inlets; Compounding flux broad ways average mark when leaving junction station entering current divider is slit into the quartering; Wherein two runners in the outside are the straight horizontal runner, and structure is symmetrical, and two inboard runners upwards turn 90 degrees with turning round downwards respectively; Vertical runner when the horizontal run during all by inlet changes outlet into, and the structure of two runners is also symmetrical; These four runners lay respectively at 0 degree, 90 degree, 180 degree and the 270 degree positions of same circumference on the pelvic outlet plane of current divider, the melt that comes out from each runner of current divider continues to flow to forward in the mouth mould of butt joint with it; Mouthful mould is having the straight channel with the corresponding vertical and horizontal direction of current divider outlet with position, the left and right sides up and down; Through changing the link position of mouthful mould; Can change mouthful runner number that mould was communicated with; The inlet of each runner is slit into the m equal portions by average mark; Turn round when each equal portions continues forward to flow in the lamination device turn 90 degrees and broadening m doubly, confluxing each other at separately the port of export becomes the laminated construction of n * m layer, composite laminate device inlet melt canal size is with to revolve the melt canal that turn 90 degrees the back outlet measure-alike; Dock the composite laminate device that same revolving turn 90 degrees again, then each runner in exit can obtain the laminated construction of n * m * m layer; K same composite laminate device of series connection, the outlet of last composite laminate device is docked with the rear end junction station, obtains the MULTILAYER COMPOSITE melt and finally is overlapped into 4 * n * m
kThe sandwich construction composite or the 2 * n * m of layer
kThe sandwich construction composite of layer obtains end article thereby these multilayer materials can continue to move forward into shaped device at last; N and m are not less than 2 integer, and k is not less than 1 integer.
2. the nano-stack Composite Preparation device that a kind of number of plies according to claim 1 is adjustable is characterized in that: each straight channel inlet of mouthful mould is positioned on the same circumference, and rotating die changes the mouth mould inlet of opening.
3. the nano-stack Composite Preparation device that a kind of number of plies according to claim 1 is adjustable is characterized in that: current divider, mouthful mould, composite laminate device, rear end junction station are a series circulation unit, and the number of plies of composite is n * (4 * m)
kOr n * (2 * m)
k
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210069341.5A CN102601961B (en) | 2012-03-15 | 2012-03-15 | Device for preparing nano laminated composite material with adjustable layers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210069341.5A CN102601961B (en) | 2012-03-15 | 2012-03-15 | Device for preparing nano laminated composite material with adjustable layers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102601961A true CN102601961A (en) | 2012-07-25 |
| CN102601961B CN102601961B (en) | 2014-08-06 |
Family
ID=46519919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210069341.5A Active CN102601961B (en) | 2012-03-15 | 2012-03-15 | Device for preparing nano laminated composite material with adjustable layers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102601961B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572389A (en) * | 2013-11-21 | 2014-02-12 | 北京化工大学 | Device and method for melt electrostatic spinning based on calculus stacking |
| CN104260310A (en) * | 2014-08-08 | 2015-01-07 | 北京化工大学 | Device for manufacturing fiber materials and product by laminating method |
| CN110065212A (en) * | 2019-05-23 | 2019-07-30 | 德科摩橡塑科技(东莞)有限公司 | A kind of multilayer die mechanism of changeable extruding pipe material structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH041017A (en) * | 1990-04-19 | 1992-01-06 | Japan Steel Works Ltd:The | Lamination apparatus of multilayer extrusion molding machine |
| US20030193108A1 (en) * | 2002-04-12 | 2003-10-16 | Fuji Photo Film Co., Ltd. | Apparatus and method for manufacturing resin molded product |
| CN201587107U (en) * | 2009-11-20 | 2010-09-22 | 北京化工大学 | Device for preparing nano laminated composite material |
| CN102069579A (en) * | 2009-11-20 | 2011-05-25 | 北京化工大学 | Device for manufacturing nano laminated composite material |
| CN202462835U (en) * | 2012-03-15 | 2012-10-03 | 北京化工大学 | Nano laminated composite material preparation device with function of adjusting number of layers |
-
2012
- 2012-03-15 CN CN201210069341.5A patent/CN102601961B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH041017A (en) * | 1990-04-19 | 1992-01-06 | Japan Steel Works Ltd:The | Lamination apparatus of multilayer extrusion molding machine |
| US20030193108A1 (en) * | 2002-04-12 | 2003-10-16 | Fuji Photo Film Co., Ltd. | Apparatus and method for manufacturing resin molded product |
| CN201587107U (en) * | 2009-11-20 | 2010-09-22 | 北京化工大学 | Device for preparing nano laminated composite material |
| CN102069579A (en) * | 2009-11-20 | 2011-05-25 | 北京化工大学 | Device for manufacturing nano laminated composite material |
| CN202462835U (en) * | 2012-03-15 | 2012-10-03 | 北京化工大学 | Nano laminated composite material preparation device with function of adjusting number of layers |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572389A (en) * | 2013-11-21 | 2014-02-12 | 北京化工大学 | Device and method for melt electrostatic spinning based on calculus stacking |
| CN104260310A (en) * | 2014-08-08 | 2015-01-07 | 北京化工大学 | Device for manufacturing fiber materials and product by laminating method |
| CN104260310B (en) * | 2014-08-08 | 2017-02-01 | 北京化工大学 | Device for manufacturing fiber materials and product by laminating method |
| CN110065212A (en) * | 2019-05-23 | 2019-07-30 | 德科摩橡塑科技(东莞)有限公司 | A kind of multilayer die mechanism of changeable extruding pipe material structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102601961B (en) | 2014-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102069579B (en) | Device for manufacturing nano laminated composite material | |
| CN101947841B (en) | Device and method for preparing micro-nano laminated composite material with high barrier proper | |
| CN201587107U (en) | Device for preparing nano laminated composite material | |
| CN202462835U (en) | Nano laminated composite material preparation device with function of adjusting number of layers | |
| CN102601961B (en) | Device for preparing nano laminated composite material with adjustable layers | |
| US9079346B2 (en) | Apparatus and method for preparing laminated nano-composite material | |
| US20110127687A1 (en) | Extruder And Process For Preparing A Mixture Of Polymer And Diluent | |
| CN103214730A (en) | Polymer-based carbon nanotube orientation enhanced functional material and its preparation method and device | |
| US20110133355A1 (en) | Extruder Having Dual Mixing Stages And Process For Preparing A Mixture Of Polymer And Diluent | |
| CN204869572U (en) | Three compound shape of mouth as one speakss of extruding of rubber | |
| CN111823581A (en) | Asynchronous 3D printing method and device with enhanced framework | |
| CN114506052B (en) | Interface-controllable material gene recombination blending modification method | |
| JP5061237B2 (en) | Extrusion mold with improved crossflow manifold | |
| CN205997318U (en) | A kind of disc type co-extruding mould for packaging film production | |
| CN102029717B (en) | Vulcanized rubber processing device and method | |
| CN206048746U (en) | A kind of co-extrusion die head of extrusion with double conduction section bars | |
| CN104260310B (en) | Device for manufacturing fiber materials and product by laminating method | |
| CN103587097A (en) | Compounding device for nano laminate | |
| CN103692658B (en) | A kind of nano-stack multiple tube embryo forming Apparatus and method for | |
| CN204095105U (en) | A kind of PVC cast film line adopting Planetary Screw Extruder | |
| CN214645740U (en) | Special blown film device is crowded altogether to environmental protection rich mineral paper multilayer | |
| CN202029486U (en) | Device for preparing micro-nano laminated composite material with high barrier property | |
| CN211942008U (en) | Co-extrusion device for plastic production | |
| CN101774265B (en) | Extrusion forming device and method for preparing in-situ fiber formation high molecular composite materials | |
| CN106965402A (en) | Composite layer multiplier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |