CN103978660B - The Single screw extrusion chamber that melting effect is good - Google Patents
The Single screw extrusion chamber that melting effect is good Download PDFInfo
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- CN103978660B CN103978660B CN201410179362.1A CN201410179362A CN103978660B CN 103978660 B CN103978660 B CN 103978660B CN 201410179362 A CN201410179362 A CN 201410179362A CN 103978660 B CN103978660 B CN 103978660B
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- extrusion
- annular seal
- screw thread
- seal space
- housing
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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
- 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- 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
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
- B29C48/687—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having projections with a short length in the barrel direction, e.g. pins
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/834—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses the Single screw extrusion chamber that a kind of melting effect is high, described extruding cavity includes extrusion bar, annular seal space housing, cooling chamber housing, extrusion shrouding by different screw thread combinations and draws material baffle plate, the annular seal space of cylinder it is provided with in described annular seal space housing, the inner side of annular seal space housing is provided with four groups of pin feature, described screw thread extrusion bar is provided with the extrusion screw thread that two sections of difformities combine, the port of export of described annular seal space housing is provided with extrusion shrouding, a diameter of 1.1 1.3cm of extrusion of described extrusion shrouding；The present invention is by reducing the aperture of the cavity extrusion of the extruder of existing conventional single screw rod, improve the pressure between extruding cavity internal whorl extrusion bar and mixing raw material, coordinate the many groups pin feature within extruding cavity simultaneously, ensure that the uniform stressed between different material on extruder annular seal space each position interior, improve the melting effect of integrated powder coating raw material；The product density thus produced is high, and glossiness is high, facilitates discharging by discontinuous extrusion screw thread, facilitates the extensive consecutive production of enterprise.
Description
Technical field
The present invention relates to the production apparatus field of a kind of powdery paints, particularly relate to a kind of raising single screw extrusion machine mixing
The Single screw extrusion chamber of effect.
Background technology
Single screw extrusion machine is mainly used in extruding the thermoplastics such as soft, PVC-U, polyethylene, can process multiple moulding
Material products, such as blown film, squeezes pipe, pressing plate, hot candied band etc., also can be used for melt pelletization.Plastic extruder advanced design, quality is high,
The features such as plastifying, energy consumption is low, uses Involutes Gears Transmission, has noise low, smooth running, and bearing capacity is big, life-span length.
The extrusion diameter of single screw extrusion machine the most on the market is generally 2cm, owing to the radial direction area of outlet is relatively big,
The raw material of powdery paints stress in the cavity of extruder is less, and the time of staying is shorter, and then result in raw material at extruder
Extruding cavity in can not reach preferable melting effect；Simultaneously because the particularity of extruding cavity internal thread extrusion bar structure, although
Continuous print extrusion screw thread is relatively big with the contact area of raw material, but its discharging is relatively inefficient, in actual production process very
Difficulty carries out continuous print material operation.
Summary of the invention
For the problem of above-mentioned existence, while present invention aim at providing a kind of convenient single screw rod to carry out extrusion operation
The Single screw extrusion chamber that melting effect is high.
In order to achieve the above object, the technical solution used in the present invention is as follows: the Single screw extrusion that a kind of melting effect is high
Chamber, the internal single screw thread extrusion bar that uses of described extruding cavity, described screw thread extrusion bar is connected to the transmission of extruding cavity side
On device, described extruding cavity includes screw thread extrusion bar, annular seal space housing, cooling chamber housing, extrusion shrouding and draws material baffle plate,
The airtight airtight entirety being combined into of rotary shaft being passed through bottom by two pieces of rectangular housing of described annular seal space housing, described sealing
Being provided with the annular seal space of cylinder in cavity shell, the both sides of described annular seal space housing are provided with cooling chamber housing, described annular seal space housing
The port of export be provided with extrusion shrouding, a diameter of 1.1-1.3cm of extrusion of described extrusion shrouding, described extrusion shrouding
Lower section be provided with and draw material baffle plate.
Screw thread of the present invention is extruded bar and is extruded screw thread with continuous for being provided with two sections of extrusion screw threads, respectively discontinuous
Formula extrusion screw thread, described continous way extrusion screw thread is arranged on the driving end of screw thread extrusion bar, and described discontinuous extrusion screw thread is arranged
Extrusion end at screw thread extrusion bar.It is 1.3-1.5cm that the screw thread of described discontinuous extrusion screw thread disconnects spacing,；Due to even
The discharging of continuous formula extrusion screw thread is inefficient, and therefore the discontinuous extrusion screw thread by adding at the extruding cavity port of export facilitates raw material
Discharging；Owing to the aperture of the extrusion of the present invention is less, inside cavity pressure is relatively big, and the melting effect of raw material is good, discontinuous
The screw thread of extrusion screw thread disconnects spacing more than extrusion diameter 0.1-0.2cm, improve raw material screw thread extrusion bar and extrusion it
Between discharging efficiency.
Extrusion shrouding of the present invention is sleeved on annular seal space housing outlet end, described extrusion by nut structure
What the inner side of the cylindrical extrusion on shrouding was provided with taper draws material mouth.Described taper draws the diameter of the osculum end of material mouth with crowded
The diameter of outlet is identical, and the diameter of big opening end is less than annular seal space internal diameter 0.8-1.0cm；Extrusion shrouding is mainly used in controlling extrusion
Blend pressure within the discharging diameter of mouth and annular seal space, it is ensured that raw material melting effect, under pressure drawing by taper
Material mouth facilitates the extrusion that raw material enters, and extrudes effective, prevents raw material from remaining on the housing within annular seal space, extrude simultaneously
Mouth shrouding dismounting and cleaning are convenient, and maintenance and the maintenance cost of device are relatively low.
The inner side of annular seal space housing of the present invention is provided with four groups of pin feature, the installation of two groups of adjacent pin feature
Angle is 90 °, by pin feature primarily to facilitate raw material in the mixing within annular seal space, improves raw material and annular seal space shell
Body and the contact area of screw thread extrusion bar, improve the melting effect of single unit system.
Single group pin feature of the present invention comprises three pins, the adjacent spacing between two pins with pin with close
The distance of envelope chamber two end housing body of the present invention is identical；By equally distributed pin feature, it is ensured that in annular seal space on each position
Uniform stressed between screw thread extrusion bar and raw material, prevents local pressure uneven and the phenomenon of part material accumulation that causes, mixed
Refining effect is high.
The upper part of two pieces of rectangular housing of the present invention is laid with two grip structures；By grip structure and sealing
Rotary shaft bottom cavity shell is easy to open and closes annular seal space housing, facilitates the dismounting within annular seal space and cleaning, behaviour
Make simple and convenient, time saving and energy saving.
It is provided with in cooling chamber housing of the present invention and organizes cooling water pipeline more；Due to extruder extruding cavity operationally
Substantial amounts of heat is easily produced, by cooling water pipeline coolant seal cavity shell, it is ensured that extruding cavity is normal due to mechanical friction
Operating temperature, improves the service life of extruding cavity.
It is an advantage of the current invention that: the present invention is by by the cavity extrusion of the extruder of existing conventional single screw rod
Aperture reduces, and improves the pressure between extruding cavity internal whorl extrusion bar and mixing raw material, coordinates within extruding cavity simultaneously
Organize pin feature more, it is ensured that in extruder annular seal space on each position between different material uniform stressed, improve whole
The melting effect of body powdery paints raw material；The product density thus produced is high, and glossiness is high (as shown in the table)；The discharging of device
Efficiency is high, facilitates discharging by discontinuous extrusion screw thread, facilitates the extensive consecutive production of enterprise.
| The contents of a project | Prior art | The present invention |
| Gloss | 75-80% | 80-88% |
| Outward appearance | Gross visualization: have pin hole and little shrinkage cavity | Gross visualization: surfacing, free of pinholes and little shrinkage cavity. |
| Impact resistance | 30Kg.cm2 | 50Kg.cm2 |
Accompanying drawing explanation
Fig. 1 is the side cross section structure figure of the present invention.
Fig. 2 is the extrusion closing plate structure sketch of the present invention.
Fig. 3 is the plan structure sketch of the present invention.
Wherein, 1 annular seal space housing, 2 screw threads extrusion bars, 3 extrusion shroudings, 4 transmission devices, 5 draw material baffle plate, and 6
Rotary shaft, 7 grip structures, 8 extrusions, 9 tapers draw material mouth, 10 discontinuous extrusion screw threads, 11 continous ways extrusion spiral shells
Line, 12 pins, 13 cooling water pipelines, 14 cooling chamber housings.
Detailed description of the invention
Explanation and detailed description of the invention are to the further details of explanation of the present invention below in conjunction with the accompanying drawings.
Embodiment 1: the Single screw extrusion chamber that a kind of melting effect is high, described extruding cavity is internal to be used
Single with screw thread extrusion bar 2, described screw thread extrusion bar 2 is connected on the transmission device 4 of extruding cavity side, described extruding cavity bag
Include screw thread extrusion bar 2, annular seal space housing 1, cooling chamber housing 14, extrusion shrouding 3 and draw material baffle plate 5, described annular seal space shell
The airtight airtight entirety being combined into of rotary shaft 6 being passed through bottom by two pieces of rectangular housing of body 1, sets in described annular seal space housing 1
Having the annular seal space of cylinder, the both sides of described annular seal space housing 1 are provided with cooling chamber housing 14, the outlet of described annular seal space housing 1
End is provided with extrusion shrouding 3, a diameter of 1.1-1.3cm of the extrusion 8 of described extrusion shrouding 3, described extrusion shrouding 3
Lower section be provided with draw material baffle plate 5.
Embodiment 2: as it is shown in figure 1, screw thread extrusion bar 2 is for being provided with two sections of extrusion screw threads, respectively discontinuous extrusion spiral shell
Line 10 and continous way extrusion screw thread 11, described continous way extrusion screw thread 11 is arranged on the connection of the transmission device 4 of screw thread extrusion bar 2
End, described discontinuous extrusion screw thread 10 is arranged on the extrusion end of screw thread extrusion bar 2.The spiral shell of described discontinuous extrusion screw thread 10
It is 1.3-1.5cm that line disconnects spacing,；Owing to the discharging of continous way extrusion screw thread 11 is inefficient, therefore by going out at extruding cavity
The discontinuous extrusion screw thread 10 that mouth end adds facilitates the discharging of raw material；Owing to the aperture of the extrusion 8 of the present invention is less, in cavity
Portion's pressure is relatively big, and the melting effect of raw material is good, and the screw thread of discontinuous extrusion screw thread 10 disconnects spacing more than extrusion 8 diameter 0.1-
0.2cm, improves raw material discharging efficiency between screw thread extrusion bar 2 and extrusion 8.
Embodiment 3: as shown in Figure 1,2 and 3, extrusion shrouding 3 is sleeved on the outlet of annular seal space housing 1 by nut structure
End, the inner side of the described cylindrical extrusion 8 on extrusion shrouding 3 be provided with taper draw material mouth 9.Material mouth is drawn in described taper
The diameter of the osculum end of 9 is identical with the diameter of extrusion 8, and the diameter of big opening end is less than the internal diameter 0.8-1.0cm of annular seal space 1；Squeeze
Outlet shrouding 3 is mainly used in controlling the blend pressure within the discharging diameter of extrusion 8 and annular seal space 1, it is ensured that inside annular seal space
Melting effect, draw material mouth 9 extrusion 8 that facilitates raw material to enter by taper under pressure, extrude effective, prevent
Raw material remains on the housing within annular seal space 1, and extrusion shrouding 3 dismounts and clear up conveniently simultaneously, the maintenance of device and maintenance
Cost is relatively low.
Embodiment 4: as it is shown in figure 1, the inner side of annular seal space housing 1 of the present invention is provided with four groups of pin feature 12, phase
The installation angle of two groups of adjacent pin feature 12 is 90 °, by pin 12 structure primarily to facilitate raw material in annular seal space 1
The mixing in portion, improves raw material and annular seal space housing 1 and the contact area of screw thread extrusion bar 2, improves the mixing effect of single unit system
Really.Single group pin feature 12 of the present invention comprises three pins, the adjacent spacing between two pins and pin and sealing
The distance of chamber two end housing body of the present invention is identical；By equally distributed pin feature 12, it is ensured that in annular seal space 1 on each position
Uniform stressed between screw thread extrusion bar 2 and raw material, prevents local pressure uneven and the phenomenon of part material accumulation that causes, mixed
Refining effect is high.
Embodiment 5: as shown in figs. 1 and 3, the upper part of two pieces of rectangular housing is laid with two grip structures 7；Pass through handle
Rotary shaft 6 bottom structure 7 and annular seal space housing 1 is easy to open and closes annular seal space housing 1, facilitates the dismounting within annular seal space
And cleaning, simple to operation, time saving and energy saving.
Embodiment 6: as it is shown on figure 3, be provided with many group cooling water pipelines 13 in cooling chamber housing 14；Extrusion due to extruder
Chamber operationally easily produces substantial amounts of heat due to mechanical friction, by cooling water pipeline 13 coolant seal cavity shell 1, it is ensured that
The normal operating temperature of extruding cavity, improves the service life of extruding cavity.
Embodiment 7: the comparative example of actual product
Under conditions of same recipe, same process, technological parameter:
Screw speed: 45Hz；
I district's temperature: 80 DEG C；
II district's temperature: 100 DEG C；
Feeding speed: 30Hz；
Sieve number: 160 mesh；
Pulverizer main frame: 48Hz；
Classification rotating speed: 27Hz；
Pulverize feeding speed: 26Hz；
The extruding cavity of existing single screw extrusion machine is used to carry out with the extruding cavity of single screw extrusion machine of the present invention
Contrast test, contrast to properties of product before and after the improvement obtained: (as shown in the table)
| The contents of a project | Prior art | The present invention |
| Gloss | 75-80% | 80-88% |
| Outward appearance | Gross visualization: have pin hole and little shrinkage cavity | Gross visualization: surfacing, free of pinholes and little shrinkage cavity. |
| Impact resistance | 30Kg.cm2 | 50Kg.cm2 |
Can be drawn by upper table, the powdery paints produced by the extruding cavity of single screw extrusion machine of the present invention by
Higher in the density of product, compactness is preferable, and therefore outward appearance and glossiness are all higher than the powdery paints of prior art, the highest
Consistency substantially increase the impact resistance of product, substantially increase overall performance and the range of application of powdery paints, with
Time the present invention use discontinuous extrusion screw thread facilitate discharging, facilitate the extensive consecutive production of enterprise, improve the warp of enterprise
Ji benefit.
In addition to the implementation, the present invention can also have other embodiments.All employing equivalents or equivalent transformation shape
The technical scheme become, all falls within the protection domain of application claims.
Claims (8)
1. the Single screw extrusion chamber that melting effect is good, the internal single screw thread extrusion bar that uses of described extruding cavity, described
Screw thread extrusion bar be connected on the transmission device of extruding cavity side, it is characterised in that described extruding cavity include screw thread extrusion bar,
Annular seal space housing, cooling chamber housing, extrusion shrouding and draw material baffle plate, being led to by two pieces of rectangular housing of described annular seal space housing
The airtight airtight entirety being combined into of rotary shaft bottom crossing, is provided with the annular seal space of cylinder in described annular seal space housing, described close
The both sides of envelope cavity shell are provided with cooling chamber housing, and the port of export of described annular seal space housing is provided with extrusion shrouding, described extrusion
The a diameter of 1.1-1.3cm of extrusion of mouth shrouding, the lower section of described extrusion shrouding is provided with draws material baffle plate；Described screw thread extrusion
Bar is for being provided with two sections of extrusion screw threads, respectively discontinuous extrusion screw thread and continous way extrusion screw thread, described continous way extrusion spiral shell
Line is arranged on the driving end of screw thread extrusion bar, and described discontinuous extrusion screw thread is arranged on the extrusion end of screw thread extrusion bar.
The Single screw extrusion chamber that melting effect the most according to claim 1 is good, it is characterised in that described discontinuous extrusion
It is 1.3-1.5cm that the screw thread of screw thread disconnects spacing.
The Single screw extrusion chamber that melting effect the most according to claim 1 is good, it is characterised in that described extrusion shrouding
Being sleeved on annular seal space housing outlet end by nut structure, the inner side of the described cylindrical extrusion on extrusion shrouding is provided with
Taper draw material mouth.
The Single screw extrusion chamber that melting effect the most according to claim 3 is good, it is characterised in that material mouth is drawn in described taper
The diameter of osculum end identical with the diameter of extrusion, the diameter of big opening end is less than annular seal space internal diameter 0.8-1.0cm.
The Single screw extrusion chamber that melting effect the most according to claim 1 is good, it is characterised in that described annular seal space housing
Inner side be provided with four groups of pin feature, the installation angle of two groups of adjacent pin feature is 90 °.
The Single screw extrusion chamber that melting effect the most according to claim 5 is good, it is characterised in that single pin knot described in group
Structure comprises three pins, and the adjacent spacing between two pins is identical with the distance of annular seal space two end housing with pin.
The Single screw extrusion chamber that melting effect the most according to claim 1 is good, it is characterised in that two pieces of described Rectangular shell
The upper part of body is laid with two grip structures.
The Single screw extrusion chamber that melting effect the most according to claim 1 is good, it is characterised in that described cooling chamber housing
Inside it is provided with and organizes cooling water pipeline more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179362.1A CN103978660B (en) | 2014-04-30 | 2014-04-30 | The Single screw extrusion chamber that melting effect is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410179362.1A CN103978660B (en) | 2014-04-30 | 2014-04-30 | The Single screw extrusion chamber that melting effect is good |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103978660A CN103978660A (en) | 2014-08-13 |
| CN103978660B true CN103978660B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410179362.1A Active CN103978660B (en) | 2014-04-30 | 2014-04-30 | The Single screw extrusion chamber that melting effect is good |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3241672B1 (en) * | 2014-12-30 | 2019-10-23 | Obshchestvo s Ogranichennoy Otvetstvennostyu "Avtoklavy Vysokogo Davleniya I Temperatury" | Devices for deformational processing of materials comprising a screw extruder |
| CN106425496B (en) * | 2016-10-26 | 2018-06-12 | 浙江博海机械有限公司 | A kind of multi-functional machine barrel process equipment |
| EP3558629B1 (en) * | 2016-12-21 | 2023-11-15 | Basf Se | Single-shaft extruder and use of a single-shaft extruder, and method for altering morphology of a superabsorbent polymer gel using a single-shaft extruder |
| DE102017009177A1 (en) * | 2017-09-29 | 2019-04-04 | Maag Automatik Gmbh | Cutting chamber housing for underwater granulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0985739A (en) * | 1995-09-22 | 1997-03-31 | Sumitomo Bakelite Co Ltd | Kneading machine |
| CN2761401Y (en) * | 2005-01-01 | 2006-03-01 | 杭州中法化学有限公司 | Tetra screw sheets reciprocating type pin screw extruder |
| KR20110034995A (en) * | 2009-09-29 | 2011-04-06 | 엘에스전선 주식회사 | Extruding screw |
| CN103231461A (en) * | 2013-04-27 | 2013-08-07 | 济南永胜化工有限公司 | Method for producing polyacrylamide colloidal particle |
| CN203831764U (en) * | 2014-04-30 | 2014-09-17 | 张家港江南粉末涂料有限公司 | Single screw extrusion cavity good in mixing effect |
-
2014
- 2014-04-30 CN CN201410179362.1A patent/CN103978660B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0985739A (en) * | 1995-09-22 | 1997-03-31 | Sumitomo Bakelite Co Ltd | Kneading machine |
| CN2761401Y (en) * | 2005-01-01 | 2006-03-01 | 杭州中法化学有限公司 | Tetra screw sheets reciprocating type pin screw extruder |
| KR20110034995A (en) * | 2009-09-29 | 2011-04-06 | 엘에스전선 주식회사 | Extruding screw |
| CN103231461A (en) * | 2013-04-27 | 2013-08-07 | 济南永胜化工有限公司 | Method for producing polyacrylamide colloidal particle |
| CN203831764U (en) * | 2014-04-30 | 2014-09-17 | 张家港江南粉末涂料有限公司 | Single screw extrusion cavity good in mixing effect |
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| Publication number | Publication date |
|---|---|
| CN103978660A (en) | 2014-08-13 |
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Address after: No. 82, Huada Road, Jiangsu Yangzi River International Chemical Industrial Park, Jiangsu, Suzhou, Jiangsu Patentee after: Jiangnan powder coating (Zhangjiagang) Co., Ltd. Address before: No. 82, Huada Road, Jiangsu Yangzi River International Chemical Industrial Park, Jiangsu, Suzhou, Jiangsu Patentee before: Zhangjiagang Jiangnan Powder Coating Co., Ltd. |