CN103009603A - Device for preventing polycarbonate film extrusion processing machine die head from dripping water - Google Patents
Device for preventing polycarbonate film extrusion processing machine die head from dripping water Download PDFInfo
- Publication number
- CN103009603A CN103009603A CN2012105708474A CN201210570847A CN103009603A CN 103009603 A CN103009603 A CN 103009603A CN 2012105708474 A CN2012105708474 A CN 2012105708474A CN 201210570847 A CN201210570847 A CN 201210570847A CN 103009603 A CN103009603 A CN 103009603A
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- China
- Prior art keywords
- die head
- water
- oil
- absorbent resin
- resin film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920006289 polycarbonate film Polymers 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 16
- 238000001125 extrusion Methods 0.000 title abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000004831 Hot glue Substances 0.000 abstract description 8
- 239000002250 absorbent Substances 0.000 abstract 8
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000004417 polycarbonate Substances 0.000 description 6
- 239000012752 auxiliary agent Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004597 plastic additive Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000007799 cork Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Images
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a device for preventing a polycarbonate film extrusion processing machine die head from dripping water, which comprises a hot-melt adhesive film layer; the hot-melt adhesive film layer has a uniform surface, and several oil-absorbent resin film sheets and water-absorbent resin film sheets with a same size are pasted on the hot-melt adhesive film layer with intervals. The device for preventing a polycarbonate film extrusion processing machine die head from dripping water can ensure good bonding between the water-absorbent resin film sheets and the oil-absorbent resin film sheets and the external surface of the die head at high-temperature conditions because of the presence of the high temperature-resistant hot-melt adhesive film layer; the proper adhesion force between the hot-melt adhesive film layer and metal ensures that the hot-melt adhesive film layer can be peeled easily from the die head; the presence of a large number of water-absorbent resin film sheets and the oil-absorbent resin film sheets arranged with intervals ensures that gas volatilized from a die lip of the die head can be absorbed effectively; and the good water retention and oil retention capability of the water-absorbent resin film sheets and the oil-absorbent resin film sheets makes the device capable of being used for a long time.
Description
Technical field
The present invention relates to polycarbonate film and extrude the processing machine field, relate in particular to a kind of polycarbonate film that prevents and extrude the device that the processing machine die head drips.
Background technology
Merlon (Polycarbonate, PC) film/sheet material adopts extrusion calendaring production usually, and in order to satisfy the requirement of product wide cut, the die head wide cut that its production equipment disposes is generally larger.In daily production process, often can find that die head drips " water " phenomenon.Die head drips " water " phenomenon and refers to, in process, the die head outer surface often has the liquid that is similar to " water " and flows down, and drops in product surface.
As everyone knows, the basis that forms plastics is synthetic resin, is called host material.According to actual needs, generally contain many other compositions that are called auxiliary agent (additive) in the plastic material, serviceability or the processing performance of these auxiliary agents in order to improve material.The employed auxiliary agent kind of plastic material is a lot, comprises other auxiliary agents such as filler, reinforcing agent, plasticizer, lubricant, antioxidant, heat stabilizer, light stabilizer, fire retardant, colouring agent, antistatic additive, curing agent, blowing agent.For processing characteristics and the final products performance that satisfies particle, in process, the auxiliary agents such as antioxidant, releasing agent, UV stabilizing agent, toner have been added inevitably at extrusion grade Merlon particle.After the PC particle adds extruder, through screw rod transmission, compression, plasticizing, form gradually larger pressure at the die head place.When melt when die head flows out because the unexpected decline of pressure, plastic additive and low-molecular-weight PC oligomer that a part is melted in the melt evaporate, and form " steam ".This " steam " rises under the effect of steam vent above the die head, meet the relatively low die head outer surface of temperature and be condensed into " water " shape liquid, the time one is long, and these liquid pool thigh, run underneath to PC extrudate surface along the die head outer surface, thereby affect product quality.By analysis, this watery thing liquid contains hydrophilic plastic additive and oil loving PC oligomer.Drip " water " problem in order to solve die head, industry has been invented a lot of methods, such as reducing the plastic additive consumption, offer vacuum pumping hardware at barrel, strengthening above the die head steam vent capacity etc.But these methods are difficult to fundamentally solve this die head drips " water " problem, can only reduce the frequency that die head drips " water ".
Summary of the invention
Technical problem to be solved by this invention is, offers a kind of polycarbonate film that prevents and extrudes the device that the processing machine die head drips, and this device can effectively solve polycarbonate film and extrude the processing machine die head and drip.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of polycarbonate film that prevents is extruded the device that the processing machine die head drips, comprise the PUR rete, described PUR rete one surface uniform, or be pasted with the identical oil-absorbing resin diaphragm of some size dimensions and water-absorbing resin diaphragm.
In order to guarantee to have the bonds well effect between PUR rete and oil-absorbing resin diaphragm and the water-absorbing resin diaphragm, further, the cohesive force of described PUR rete and oil-absorbing resin diaphragm and water-absorbing resin diaphragm is 20～30N/cm.
Well can be easy to again remove in order to guarantee that PUR rete and die head outer surface can bond, more further, the cohesive force of described PUR rete and metal is 5～20N/cm.
Compared with prior art, usefulness of the present invention is: this polycarbonate film that prevents is extruded device that the processing machine die head drips because the existence of High-temp.-resistant hot-melt adhesive rete, even under hot conditions, guaranteed the good combination of water-absorbing resin diaphragm and oil-absorbing resin diaphragm and die head outer surface; And the suitable cohesive force of PUR rete and metal, guaranteed that the PUR rete can remove from die head comparatively like a cork, between a large amount of or the water-absorbing resin diaphragm of arranging and the existence of oil-absorbing resin diaphragm, guaranteed effectively to be absorbed from the gas of die lip volatilization, and good water conservation and the oil-retaining of water-absorbing resin diaphragm and oil-absorbing resin diaphragm, so that this device can use for a long time.
Description of drawings:
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is that a kind of polycarbonate film that prevents of the present invention is extruded the apparatus structure schematic diagram that the processing machine die head drips.
Among the figure: 11, PUR rete; 12, oil-absorbing resin diaphragm; 13, water-absorbing resin diaphragm.
The specific embodiment:
Describe the present invention below in conjunction with the drawings and the specific embodiments:
A kind of polycarbonate film that prevents shown in Figure 1 is extruded the device that the processing machine die head drips, comprise anti-350 ℃ of high temperature, the PUR rete 11 that cohesive force is suitable, described PUR rete 11 1 surface uniforms, or be pasted with the identical and resistant to elevated temperatures oil-absorbing resin diaphragm 12 of some size dimensions and water-absorbing resin diaphragm 13; In order to guarantee to have the bonds well effect between PUR rete 11 and oil-absorbing resin diaphragm 12 and the water-absorbing resin diaphragm 13, described PUR rete 11 is 20～30N/cm with the cohesive force of oil-absorbing resin diaphragm 12 and water-absorbing resin diaphragm 13; Well can be easy to again remove in order to guarantee that PUR rete 11 and die head outer surface can bond, described PUR rete 11 is 5～20N/cm with the cohesive force of metal; In order to absorb well the lipophile gas of die head place volatilization, described oil absorption resin diaphragm 12 has good temperature tolerance, and good oil suction, oil-retaining; In order to absorb well the hydrophily gas of die head place volatilization, described water-absorbing resins diaphragm 13 has good suction and water holding capacity.
During use, PUR rete 11 1 surface uniforms, or ground paste the identical and resistant to elevated temperatures oil-absorbing resin diaphragm 12 of some size dimensions and water-absorbing resin diaphragm 13, the opposite side surface is pasted with the die head outer surface and is got final product.Because the existence of High-temp.-resistant hot-melt adhesive rete 11 even under hot conditions, has also guaranteed water-absorbing resin diaphragm 13 and the good combination of oil-absorbing resin diaphragm 12 with the die head outer surface; And PUR rete 11 cohesive force suitable with metal guaranteed that PUR rete 11 can remove from die head comparatively like a cork; Between a large amount of or the existence of the water-absorbing resin diaphragm 13 of arranging and oil-absorbing resin diaphragm 12, guaranteed effectively to be absorbed from the gas of die lip volatilization; And good water conservation and the oil-retaining of water-absorbing resin diaphragm 13 and oil-absorbing resin diaphragm 12, so that this device can use for a long time.
The water absorbing capacity of most water-absorbing resin diaphragms 13 reaches capacity in this device, and the oil absorption of most oil-absorbing resin diaphragms 12 is when reaching capacity, this device is removed, change new equipment, can guarantee that this device can the long-term control die head drips the purpose of " water ".
Can use the present invention in the processing of polycarbonate film and sheet material, the present invention can be applied in the process of the plastic sheeting/sheet material such as polypropylene, polymethyl methacrylate, polyvinyl chloride, polystyrene, polyethylene and other formal products equally; Except extrusion molding, the present invention equally also can be applied to the techniques such as injection moulding; Namely in plastic processing, drip " water " problem in order to solve die head, and adopt this device and similar device, all be subject to this patent protection.
It is emphasized that: above only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (3)
1. one kind prevents that polycarbonate film from extruding the device that the processing machine die head drips, it is characterized in that: comprise PUR rete (11), described PUR rete (11) one surface uniforms, or be pasted with the identical oil-absorbing resin diaphragm (12) of some size dimensions and water-absorbing resin diaphragm (13).
2. the polycarbonate film that prevents according to claim 1 is extruded the device that the processing machine die head drips, and it is characterized in that: described PUR rete (11) is 20～30N/cm with the cohesive force of oil-absorbing resin diaphragm (12) and water-absorbing resin diaphragm (13).
3. the polycarbonate film that prevents according to claim 1 is extruded the device that the processing machine die head drips, and it is characterized in that: described PUR rete (11) is 5～20N/cm with the cohesive force of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105708474A CN103009603A (en) | 2012-12-26 | 2012-12-26 | Device for preventing polycarbonate film extrusion processing machine die head from dripping water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105708474A CN103009603A (en) | 2012-12-26 | 2012-12-26 | Device for preventing polycarbonate film extrusion processing machine die head from dripping water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103009603A true CN103009603A (en) | 2013-04-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105708474A Pending CN103009603A (en) | 2012-12-26 | 2012-12-26 | Device for preventing polycarbonate film extrusion processing machine die head from dripping water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103009603A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61109512A (en) * | 1984-11-02 | 1986-05-28 | 帝人株式会社 | Mat |
| JPH0724006A (en) * | 1993-07-08 | 1995-01-27 | Chisso Corp | Absorbent article |
| CN201183060Y (en) * | 2008-04-09 | 2009-01-21 | 张继忠 | Composite water baffle of hot continuous rolling finishing mill |
| CN201189244Y (en) * | 2008-02-01 | 2009-02-04 | 成都市温江星火专利开发研究所 | Sweat absorbing plaster |
| US20110037193A1 (en) * | 2008-04-17 | 2011-02-17 | Polyplastics Co., Ltd. | Method for producing polyarylene sulfide resin composition |
| CN203063088U (en) * | 2012-12-26 | 2013-07-17 | 苏州奥美材料科技有限公司 | Device for preventing dripping of die head of polycarbonate film extruding machine |
-
2012
- 2012-12-26 CN CN2012105708474A patent/CN103009603A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61109512A (en) * | 1984-11-02 | 1986-05-28 | 帝人株式会社 | Mat |
| JPH0724006A (en) * | 1993-07-08 | 1995-01-27 | Chisso Corp | Absorbent article |
| CN201189244Y (en) * | 2008-02-01 | 2009-02-04 | 成都市温江星火专利开发研究所 | Sweat absorbing plaster |
| CN201183060Y (en) * | 2008-04-09 | 2009-01-21 | 张继忠 | Composite water baffle of hot continuous rolling finishing mill |
| US20110037193A1 (en) * | 2008-04-17 | 2011-02-17 | Polyplastics Co., Ltd. | Method for producing polyarylene sulfide resin composition |
| CN203063088U (en) * | 2012-12-26 | 2013-07-17 | 苏州奥美材料科技有限公司 | Device for preventing dripping of die head of polycarbonate film extruding machine |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |