CN107263837A - A kind of preparation method and applications of teflon rod - Google Patents
A kind of preparation method and applications of teflon rod Download PDFInfo
- Publication number
- CN107263837A CN107263837A CN201710546981.3A CN201710546981A CN107263837A CN 107263837 A CN107263837 A CN 107263837A CN 201710546981 A CN201710546981 A CN 201710546981A CN 107263837 A CN107263837 A CN 107263837A
- Authority
- CN
- China
- Prior art keywords
- teflon rod
- flexible pipe
- hot pressing
- preparation
- extrusion
- 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.)
- Pending
Links
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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of preparation method of teflon rod, including：Using polytetrafluoroethylene (PTFE) powder as raw material, it is placed on hot pressing extrusion machine and is extruded, and control the extrusion temperature and extrusion pressure of hot pressing extrusion machine, prepares length as 10m 500m and a diameter of 4mm 60mm teflon rod.The teflon rod prepared using teflon rod preparation method disclosed by the invention has the advantages that heat endurance is good and not easy to break, can as hydraulic rubber flexible pipe plug, it will not be deformed after being repeatedly used under the curing temperature of hydraulic rubber flexible pipe, reduce the scrap cost of hydraulic rubber flexible pipe production plug, the internal diameter size of hydraulic rubber flexible pipe can be accurately controlled, the quality of hydraulic rubber flexible pipe is improved, the qualification rate of hydraulic rubber flexible pipe is substantially increased.
Description
Technical field
The present invention relates to technical field of polymer materials, it is more particularly related to a kind of teflon rod
Preparation method, a kind of application of the teflon rod prepared the invention further relates to teflon rod preparation method.
Background technology
Hydraulic rubber flexible pipe often uses rubber bar and PP rods as plug, but rubber bar and PP rod service lifes are short, holds
Easy fracture, can occur softening, aging when by being repeatedly in 130-170 DEG C of high temperature, plug is deformed, and hydraulic pressure rubber
The control of glue inner diameter is controlled mainly by the size of plug, and the deformation of plug can cause the diameter of plug uneven, directly
Connect the internal diameter that have impact on hydraulic rubber flexible pipe.Ordinary rubber rod and PP rods will scrap replacing using 30-50 times, greatly increase life
Produce cost.
Teflon rod, is commonly called as Teflon rod, available for chemical industry, machinery, electronic apparatus and the field such as medical, with adding
High heat endurance, will not also deform at 300-500 DEG C, but the Teflon rod of in the market production only has 1-5m length,
And the length for the plug that hydraulic rubber flexible pipe is used will be in 10m-200m or so, therefore the teflon rod that in the market is produced is simultaneously
It cannot function as the plug of hydraulic rubber flexible pipe production and application.Patent No. CN101011854A Chinese patent discloses a kind of poly-
The preparation method and its special hot pressing extrusion machine of tetrafluoroethene bar hot pressing extrusion, it passes through two push rods and two extruding pipes
Coordinate, improve the basal rate of teflon rod, vertical discharge method avoids the blocking of hopper, but discharges vertically
Mode limit the length of teflon rod, therefore the teflon rod of long length can not be prepared, and be used as
The plug of hydraulic rubber flexible pipe.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that at least will be described later.
It is a still further object of the present invention to provide a kind of preparation method of teflon rod, it is by adjusting extrusion temperature
Degree and extrusion pressure, have produced the teflon rod with certain length, and it can make as the production of hydraulic rubber flexible pipe
With, and be reused several times and will not also deform, reduce the cost of raw material, it is ensured that the qualification rate of hydraulic rubber flexible pipe.
It is a still further object of the present invention to provide the extrusion temperature in a kind of preparation method of teflon rod and squeeze
Pressure pressure can realize the continuous uninterrupted production of teflon rod, it is ensured that it is suitable that the teflon rod of long length is produced
Profit is carried out.
To achieve these goals, the invention provides a kind of preparation method of teflon rod, including：
Using polytetrafluoroethylene (PTFE) powder as raw material, it is placed on hot pressing extrusion machine and is extruded, and control hot pressing extrusion machine
Extrusion temperature and extrusion pressure, to prepare length as 10m-500m and a diameter of 4mm-60mm teflon rod.
Preferably, wherein, the extrusion temperature of hot pressing extrusion machine is 330-400 DEG C, and extrusion pressure is 15-35Mpa.
Preferably, wherein, the extruded velocity of hot pressing extrusion machine is 0.3-0.6m/h.
Preferably, wherein, the extrusion temperature of hot pressing extrusion machine is 350-400 DEG C, and extrusion pressure is 20-30Mpa.
Preferably, wherein, the extrusion temperature of hot pressing extrusion machine is 390 DEG C, and extrusion pressure is 32Mpa.
Preferably, wherein, the extrusion temperature of hot pressing extrusion machine is 340 DEG C, and extrusion pressure is 18Mpa.
The application of the teflon rod prepared the invention also discloses the preparation method of teflon rod, be by length
10m-500m and a diameter of 4mm-60mm teflon rod are used as the plug for preparing hydraulic pressure rubber hose.
The present invention at least includes following beneficial effect：
1st, it is 10m-500m and straight that the preparation method for the teflon rod that the present invention is provided is simple, can prepare length
Footpath is 4mm-60mm teflon rod, and heat endurance is good, it is not easy to be broken, when temperature is 300-500 DEG C also not
It can deform.
2nd, teflon rod prepared by the preparation method of teflon rod of the present invention can be used as hydraulic rubber
The plug of flexible pipe is used, and hydraulic rubber flexible pipe vulcanizes between 130-170 degree, therefore teflon rod is eternal at such a temperature
It will not deform, prevent the situation of plug deformation used when being prepared as hydraulic rubber flexible pipe, can accurately control
The internal diameter size of hydraulic rubber flexible pipe, improves the quality of hydraulic rubber flexible pipe, and product qualification rate is greatly improved, and can be repeatedly anti-
Use again, reduce the cost of raw material.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein are not precluded from one or many
The presence or addition of individual other elements or its combination.
Embodiment 1
The present invention is placed in hot pressing extrusion machine and extruded using polytetrafluoroethylene (PTFE) powder as raw material, and control hot pressing is squeezed
The extrusion temperature for going out machine is 330 DEG C, and extrusion pressure is 35Mpa, and extruded velocity is 0.3m/h, prepares length for 20m, diameter
For 4mm-60mm teflon rod.
Embodiment 2
The present invention is placed in hot pressing extrusion machine and extruded using polytetrafluoroethylene (PTFE) powder as raw material, and control hot pressing is squeezed
The extrusion temperature for going out machine is 400 DEG C, and extrusion pressure is 20Mpa, and extruded velocity is 0.4m/h, prepares length for 50m, diameter
For 4mm-60mm teflon rod.
Embodiment 3
The present invention is placed in hot pressing extrusion machine and extruded using polytetrafluoroethylene (PTFE) powder as raw material, and control hot pressing is squeezed
The extrusion temperature for going out machine is 350 DEG C, and extrusion pressure is 15Mpa, and extruded velocity is 0.5m/h, prepares length for 100m, straight
Footpath is 4mm-60mm teflon rod.
Embodiment 4
The present invention is placed in hot pressing extrusion machine and extruded using polytetrafluoroethylene (PTFE) powder as raw material, and control hot pressing is squeezed
The extrusion temperature for going out machine is 340 DEG C, and extrusion pressure is 25Mpa, and extruded velocity is 0.5m/h, prepares length for 300m, straight
Footpath is 4mm-60mm teflon rod.
Embodiment 5
The present invention is placed in hot pressing extrusion machine and extruded using polytetrafluoroethylene (PTFE) powder as raw material, and control hot pressing is squeezed
The extrusion temperature for going out machine is 390 DEG C, and extrusion pressure is 32Mpa, and extruded velocity is 0.6m/h, prepares length for 500m, straight
Footpath is 4mm-60mm teflon rod.
Embodiment 6
The present invention is placed in hot pressing extrusion machine and extruded using polytetrafluoroethylene (PTFE) powder as raw material, and control hot pressing is squeezed
The extrusion temperature for going out machine is 380 DEG C, and extrusion pressure is 30Mpa, and extruded velocity is 0.4m/h, prepares length for 400m, straight
Footpath is 4mm-60mm teflon rod.
The polytetrafluoroethylene (PTFE) that the preparation method of the teflon rod provided by embodiment 1- embodiments 6 is prepared
Rod, can be as the plug for preparing hydraulic pressure rubber hose, and uninterruptedly production process will strictly control extruding to press to production process within 20 hours
Power and extrusion temperature, temperature is too high and hypotony can all directly affect the continuity of teflon rod production.Through testing table
It is bright, do not deformed after temperature is 130-170 DEG C of Reusability 300-1500 times, therefore, it is possible to accurately control hydraulic rubber
The internal diameter size of flexible pipe, so as to improve the quality of hydraulic rubber flexible pipe, improves product qualification rate, and teflon rod is made
For hydraulic rubber flexible pipe plug when do not allow easily broken, the quality of hydraulic rubber flexible pipe is ensure that significantly.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details.
Claims (7)
1. a kind of preparation method of teflon rod, it is characterised in that including：
Using polytetrafluoroethylene (PTFE) powder as raw material, it is placed on hot pressing extrusion machine and is extruded, and controls the extrusion of hot pressing extrusion machine
Temperature and extrusion pressure, to prepare length as 10m-500m and a diameter of 4mm-60mm teflon rod.
2. a kind of preparation method of teflon rod according to claim 1, it is characterised in that hot pressing extrusion machine is squeezed
Go out temperature for 330-400 DEG C, extrusion pressure is 15-35Mpa.
3. a kind of preparation method of teflon rod according to claim 2, it is characterised in that hot pressing extrusion machine is squeezed
Go out speed for 0.3-0.6m/h.
4. a kind of preparation method of teflon rod according to claim 2, it is characterised in that hot pressing extrusion machine is squeezed
Go out temperature for 350-400 DEG C, extrusion pressure is 20-30Mpa.
5. a kind of preparation method of teflon rod according to claim 2, it is characterised in that hot pressing extrusion machine is squeezed
Go out temperature for 390 DEG C, extrusion pressure is 32Mpa.
6. a kind of preparation method of teflon rod according to claim 2, it is characterised in that hot pressing extrusion machine is squeezed
Go out temperature for 340 DEG C, extrusion pressure is 18Mpa.
7. polytetrafluoroethylene (PTFE) prepared by a kind of preparation method of teflon rod according to any one of claim 1~6
The application of rod, it is characterised in that using length be 10m-500m and a diameter of 4mm-60mm teflon rod is as making
The plug of standby hydraulic rubber flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710546981.3A CN107263837A (en) | 2017-07-06 | 2017-07-06 | A kind of preparation method and applications of teflon rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710546981.3A CN107263837A (en) | 2017-07-06 | 2017-07-06 | A kind of preparation method and applications of teflon rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107263837A true CN107263837A (en) | 2017-10-20 |
Family
ID=60072212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710546981.3A Pending CN107263837A (en) | 2017-07-06 | 2017-07-06 | A kind of preparation method and applications of teflon rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107263837A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559505A (en) * | 2017-10-31 | 2018-01-09 | 广州畅业橡胶石油设备有限公司 | A kind of manufacture method of rubber hose |
| CN113480817A (en) * | 2021-06-11 | 2021-10-08 | 湖北宇辰新材料有限公司 | Preparation method of polytetrafluoroethylene rod |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232838A (en) * | 1983-06-15 | 1984-12-27 | Fujikura Ltd | Manufacture of wire rod coated with tetrafluoroethylene resin |
| US5326247A (en) * | 1991-04-25 | 1994-07-05 | Wk Worek Kunststofftechnik Gmbh | Paste extruder |
| CN101011854A (en) * | 2007-01-31 | 2007-08-08 | 杨根源 | Manufacturing method for hot pressing extrusion of polytetrafluoroethylene steel bar and special hot pressing extrusion machine therefor |
| CN200998907Y (en) * | 2007-01-25 | 2008-01-02 | 杨根源 | Hot pressing extrusion machine for preparing polytetrafluoroethylene bar |
| CN201098990Y (en) * | 2007-08-10 | 2008-08-13 | 杨根源 | Polytetrafluoroethylene bar hot pressing extrusion machine |
| CN203157099U (en) * | 2013-03-13 | 2013-08-28 | 昆明特瑞特塑胶有限公司 | Device for forming outlet of plastics extruder |
-
2017
- 2017-07-06 CN CN201710546981.3A patent/CN107263837A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232838A (en) * | 1983-06-15 | 1984-12-27 | Fujikura Ltd | Manufacture of wire rod coated with tetrafluoroethylene resin |
| US5326247A (en) * | 1991-04-25 | 1994-07-05 | Wk Worek Kunststofftechnik Gmbh | Paste extruder |
| CN200998907Y (en) * | 2007-01-25 | 2008-01-02 | 杨根源 | Hot pressing extrusion machine for preparing polytetrafluoroethylene bar |
| CN101011854A (en) * | 2007-01-31 | 2007-08-08 | 杨根源 | Manufacturing method for hot pressing extrusion of polytetrafluoroethylene steel bar and special hot pressing extrusion machine therefor |
| CN201098990Y (en) * | 2007-08-10 | 2008-08-13 | 杨根源 | Polytetrafluoroethylene bar hot pressing extrusion machine |
| CN203157099U (en) * | 2013-03-13 | 2013-08-28 | 昆明特瑞特塑胶有限公司 | Device for forming outlet of plastics extruder |
Non-Patent Citations (1)
| Title |
|---|
| 林师沛: "《塑料配制与成型》", 31 October 2004 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559505A (en) * | 2017-10-31 | 2018-01-09 | 广州畅业橡胶石油设备有限公司 | A kind of manufacture method of rubber hose |
| CN107559505B (en) * | 2017-10-31 | 2019-07-30 | 广州畅业橡胶石油设备有限公司 | A kind of manufacturing method of rubber hose |
| CN113480817A (en) * | 2021-06-11 | 2021-10-08 | 湖北宇辰新材料有限公司 | Preparation method of polytetrafluoroethylene rod |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107263837A (en) | A kind of preparation method and applications of teflon rod | |
| CN103395183A (en) | Manufacturing equipment and production process and method of biaxial orientation PVC (Poly Vinyl Chloride) and polyolefin material pipe | |
| CN104448606A (en) | Hard PVC pipe and preparation method thereof | |
| CN103568240A (en) | Extruding and forming method of polyethylene pipe for water supply | |
| CN106149078A (en) | A kind of production technology of PTFE long and short fiber | |
| CN103591391A (en) | Method for processing rubber composited steel pipes | |
| CN102601958B (en) | Process for rapidly extruding crosslinked polyethylene tube | |
| CN102416694A (en) | Process method of rapid extrusion of vulcanized silicone rubber in continuous vulcanizing machine | |
| CN104165250A (en) | Composite pipe formed by winding plastic with netty steel belt and production method thereof | |
| CN107139440A (en) | Super high molecular weight polymer tubing active matrix driving pulsation deformation forming method and equipment | |
| CN208978229U (en) | The extrusion molding mould of PVC pipe | |
| CN204604853U (en) | A kind of extrusion channel of pipe extruder | |
| CN109370082A (en) | One kind receives plastic insulation board and its manufacturing method | |
| CN205416288U (en) | Extrusion line extrusion die | |
| CN106313480A (en) | Continuous extrusion moulding method of PPSU bar material | |
| CN103753749A (en) | Method and equipment for manufacturing large-diameter HDPE (High-Density Polyethylene) pipe | |
| CN204736295U (en) | A vacuum wallboard extruder for making light weight wallboard | |
| CN204622537U (en) | A kind ofly exempt from high temperature PE pipe extruder with high accuracy blanking device | |
| CN104384218B (en) | Extruder production technology | |
| CN204414550U (en) | A kind of quick-hardening plastic extruder | |
| CN203203976U (en) | Fixed bed microreactor evaluation device | |
| CN110144743B (en) | Conformal rope for assembling end part of large-scale steam turbine generator | |
| CN105437513A (en) | Screw extrusion technology for improving glass fiber performances | |
| CN206287569U (en) | Straw bar forming machine outlet material shaper | |
| CN110802823A (en) | Production process and equipment for PET (polyethylene terephthalate) secondary stretching water conveying belt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
|
| RJ01 | Rejection of invention patent application after publication |