CN109320885A - A kind of modified ptfe hose and preparation method thereof - Google Patents
A kind of modified ptfe hose and preparation method thereof Download PDFInfo
- Publication number
- CN109320885A CN109320885A CN201811198695.3A CN201811198695A CN109320885A CN 109320885 A CN109320885 A CN 109320885A CN 201811198695 A CN201811198695 A CN 201811198695A CN 109320885 A CN109320885 A CN 109320885A
- Authority
- CN
- China
- Prior art keywords
- parts
- auxiliary agent
- modified ptfe
- raw material
- agent oil
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of modified ptfe hoses and preparation method thereof, and step 1 prepares raw material according to parts by weight: 100 parts of polytetrafluoroethyldispersion dispersion resin, 1-10 parts of aluminium oxide, 3-15 parts of polyamide-imides, 20-30 parts of auxiliary agent oil；Step 2 handles two kinds of 1-10 parts of aluminium oxide, polyamide-imides 3-15 part fillers by silane coupling agent, is uniformly mixed, obtains joint filler；Step 3 is filled into filler is combined in 100 parts of polytetrafluoroethyldispersion dispersion resin, and is added 20-30 parts of auxiliary agent oil, obtains raw mixture；Raw mixture after mixing, curing, preforming processing flow, the raw material tubing of uniform wall thickness is squeezed out by paste extrusion equipment by step 4；Raw material tubing is made auxiliary agent oil volatilize by step 5 by the case that volatilizees, and is obtaining modified ptfe hose by sintering furnace sinter molding.The invention enables PTFE hoses to be unlikely to deform, and has better wear resistance.
Description
Technical field
The present invention relates to PTFE hose field, espespecially a kind of modified ptfe hose and preparation method thereof.
Background technique
PTFE, i.e. polytetrafluoroethylene (PTFE), this material have antiacid alkali resistant, resist various organic solvents, high temperature resistant, it is low temperature resistant,
Corrosion-resistant, weatherability, it is high lubricate, adhere to, the excellent characteristic such as nonhazardous, and the small energy feature of the good coefficient of friction of dielectric properties,
Often be made into protection sleeve pipe use, can be used in, space flight, electronics, it is electrical, chemical industry, machinery, instrument, automobile, build
Build etc. field.
A kind of PTFE paste squeezes out the cable lining pipe that hose has been applied to automobile shift system at present, so that shift is more
Add flexibly comfortable, but since PTFE can generate weakness of the molecule segment from creep under interior stress, it is wear-resistant to reduce its
Performance, to influence the use of drag-line.
Therefore, to solve the above-mentioned problems, the present invention provides a kind of modified ptfe hoses and preparation method thereof.
Summary of the invention
The present invention in view of the above shortcomings of the prior art, provides a kind of modified ptfe hose and preparation method thereof, so that
PTFE hose is unlikely to deform, and has better wear resistance.
Technical solution provided by the invention is as follows:
The present invention provides a kind of modified ptfe hoses, and raw material is in parts by weight are as follows: polytetrafluoroethyldispersion dispersion resin
100 parts, 1-10 parts of aluminium oxide, 3-15 parts of polyamide-imides, 20-30 parts of auxiliary agent oil.
Preferably, the engineering plastics are as follows: one of polyphenylene sulfide, polyamide-imides, polyoxygenated polyformaldehyde are more
Kind mixture.
Preferably, the polytetrafluoroethylene (PTFE) partial size is 400 μm.
Preferably, the alumina particle is less than or equal to 1 μm.
Preferably, polyamide-imide resin partial size≤150 μm.
Preferably, the auxiliary agent oil is one of C7-C12 isoparaffin hydrocarbon, aviation kerosine, naphtha.
The present invention also provides a kind of preparation methods of modified ptfe hose, comprising steps of step 1 is according to parts by weight
Meter prepares raw material: 100 parts of polytetrafluoroethyldispersion dispersion resin, 1-10 parts of aluminium oxide, 3-15 parts of polyamide-imides, auxiliary agent oil
20-30 parts；Described aluminium oxide 1-10 parts, described two kinds of fillers of polyamide-imides 3-15 part are passed through silane coupling agent by step 2
Processing, and be sufficiently stirred, it is uniformly mixed, obtains joint filler；The joint filler is filled into the polytetrafluoroethylene (PTFE) by step 3
In 100 parts of dispersion resin, and 20-30 parts of auxiliary agent oil are added, obtain raw mixture；Step 4 passes through the raw mixture
After mixing, curing, preforming processing flow, the tubing of uniform wall thickness is squeezed out by paste extrusion equipment；Step 5 is by the coffin
Material makes auxiliary agent oil volatilize by the case that volatilizees, and sinter molding obtains modified ptfe hose.
Preferably, auxiliary agent oil volatilization temperature described in the step 5 is 115-139 DEG C.
A kind of modified ptfe hose provided through the invention and preparation method thereof can bring following at least one beneficial
Effect:
1, it due to that can be vapored away most auxiliary agent oil by the case that volatilizees, pushes in paste and is left on tubing after molding
A certain number of holes, after traveling further into the sintering furnace set with raw material tubing, the auxiliary agent oil in raw material tubing is completely
Volatilization, leaves the hole of maximum quantity, these holes are invisible to the naked eye, also unavoidably on tubing.And it is added to above-mentioned oxygen
After changing aluminium and polyamide-imide resin filler, during volatilization, finely dispersed filler can occupy part hole,
It is unlikely to deform hose obtained, there is better wear resistance.
2, filler is uniformly dispersed when mixing, and obtained product is in the performances such as mechanical strength, creep resistant, antiwear characteristic
Improve.
Specific embodiment
Embodiment 1
Step 1 prepare raw material, raw material is in parts by weight are as follows: 100 parts of polytetrafluoroethyldispersion dispersion resin, 1 part of aluminium oxide,
3 parts of polyamide-imides, 20 parts of auxiliary agent oil, as shown in Table 1:
Table 1:
Step 2 handles two kinds of aluminium oxide, polyamide-imides fillers by silane coupling agent, and sufficiently
Stirring is uniformly mixed, obtains joint filler；
The joint filler is filled into 100 parts of the polytetrafluoroethyldispersion dispersion resin by step 3, and auxiliary agent oil 20 is added
Part, obtain raw mixture；
Step 4 after mixing, curing, preforming processing flow, sets the raw mixture by paste extrusion
The standby raw material tubing for squeezing out uniform wall thickness；
The raw material tubing by volatilization case, is made auxiliary agent oil volatilize by step 5 in the environment of volatilization temperature is 115 DEG C,
Modified ptfe hose is being obtained by sintering furnace sinter molding.
During the volatilization of auxiliary agent oil, some apertures can be generated on hose, finely dispersed filler can occupy part
Hole has creep resistant, wear-resistant, wear-resistant degree is than existing so that the modified ptfe hose being prepared into is unlikely to deform
10 times, and mechanical strength advantage with higher can be improved in the PTFE hose in market.
Embodiment 2
Step 1 prepares raw material, and raw material is in parts by weight are as follows: 100 parts of polytetrafluoroethyldispersion dispersion resin, aluminium oxide 10
Part, 30 parts of 15 parts of polyphenylene sulfide, auxiliary agent oil, as shown in Table 2:
Table 2:
| Number | Component type | Component materials | Parts by weight |
| 1 | Polytetrafluoroethyldispersion dispersion resin | 100 | |
| 2 | Aluminium oxide | 10 | |
| 3 | Engineering plastics | Polyphenylene sulfide | 15 |
| 4 | Auxiliary agent oil | C7-C12 isoparaffin hydrocarbon | 30 |
Step 2 handles two kinds of aluminium oxide, polyamide-imides fillers by silane coupling agent, and sufficiently
Stirring is uniformly mixed, obtains joint filler；
The joint filler is filled into 100 parts of the polytetrafluoroethyldispersion dispersion resin by step 3, and auxiliary agent oil 30 is added
Part, obtain raw mixture；
Step 4 after mixing, curing, preforming processing flow, sets the raw mixture by paste extrusion
The standby raw material tubing for squeezing out uniform wall thickness；
The raw material tubing by volatilization case, is made auxiliary agent oil volatilize by step 5 in the environment of volatilization temperature is 139 DEG C,
Modified ptfe hose is being obtained by sintering furnace sinter molding.
During the volatilization of auxiliary agent oil, some apertures can be generated on hose, finely dispersed filler can occupy part
Hole has creep resistant, wear-resistant, wear-resistant degree is than existing so that the modified ptfe hose being prepared into is unlikely to deform
15 times, and mechanical strength advantage with higher can be improved in the PTFE hose in market.
Embodiment 3
Step 1 prepare raw material, raw material is in parts by weight are as follows: 100 parts of polytetrafluoroethyldispersion dispersion resin, 6 parts of aluminium oxide,
11 parts of the mixture of polyamide-imides and polyphenylene sulfide, 25 parts of auxiliary agent oil, as shown in Table 3:
Table 3:
Step 2 handles two kinds of aluminium oxide, polyamide-imides fillers by silane coupling agent, and sufficiently
Stirring is uniformly mixed, obtains joint filler；
The joint filler is filled into 100 parts of the polytetrafluoroethyldispersion dispersion resin by step 3, and auxiliary agent oil 25 is added
Part, obtain raw mixture；
Step 4 after mixing, curing, preforming processing flow, sets the raw mixture by paste extrusion
The standby raw material tubing for squeezing out uniform wall thickness；
The raw material tubing by volatilization case, is made auxiliary agent oil volatilize by step 5 in the environment of volatilization temperature is 139 DEG C,
Modified ptfe hose is being obtained by sintering furnace sinter molding.
The modified ptfe hose being prepared into is unlikely to deform, and has creep resistant, wear-resistant, and mechanics with higher is strong
Degree advantage.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (8)
1. a kind of modified ptfe hose, which is characterized in that raw material is in parts by weight are as follows:
100 parts of polytetrafluoroethyldispersion dispersion resin, 1-10 parts of aluminium oxide, 3-15 parts of engineering plastics, 20-30 parts of auxiliary agent oil.
2. a kind of modified ptfe hose according to claim 1, it is characterised in that:
The engineering plastics are as follows: one of polyphenylene sulfide, polyamide-imides, polyoxygenated polyformaldehyde or a variety of mixtures.
3. a kind of modified ptfe hose according to claim 1, it is characterised in that:
The polytetrafluoroethylene (PTFE) partial size is 400 μm.
4. a kind of modified ptfe hose according to claim 1, it is characterised in that:
The alumina particle is less than or equal to 1 μm.
5. a kind of modified ptfe hose according to claim 1, it is characterised in that:
Polyamide-imide resin partial size≤150 μm.
6. a kind of modified ptfe hose according to claim 1, it is characterised in that:
The auxiliary agent oil is one of C7-C12 isoparaffin hydrocarbon, aviation kerosine, naphtha.
7. it is a kind of according to claim 1~any one of 6 described in a kind of preparation method of modified ptfe hose, feature exists
In, comprising steps of
Step 1 in parts by weight, prepares raw material: 100 parts of polytetrafluoroethyldispersion dispersion resin, 1-10 parts of aluminium oxide, polyamide-
3-15 parts of acid imide, 20-30 parts of auxiliary agent oil；
Step 2 passes through described aluminium oxide 1-10 parts, described two kinds of fillers of polyamide-imides 3-15 part at silane coupling agent
Reason, and be sufficiently stirred, it is uniformly mixed, obtains joint filler；
The joint filler is filled into 100 parts of the polytetrafluoroethyldispersion dispersion resin by step 3, and auxiliary agent oil 20-30 is added
Part, obtain raw mixture；
Step 4 after mixing, curing, preforming processing flow, squeezes the raw mixture by paste extrusion equipment
The raw material tubing of uniform wall thickness out；
The raw material tubing is made auxiliary agent oil volatilize by step 5 by the case that volatilizees, and is modified by sintering furnace sinter molding
PTFE hose.
8. a kind of preparation method of modified ptfe hose according to claim 7, it is characterised in that:
Auxiliary agent oil volatilization temperature described in the step 5 is 115-139 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198695.3A CN109320885A (en) | 2018-10-15 | 2018-10-15 | A kind of modified ptfe hose and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811198695.3A CN109320885A (en) | 2018-10-15 | 2018-10-15 | A kind of modified ptfe hose and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109320885A true CN109320885A (en) | 2019-02-12 |
Family
ID=65262735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811198695.3A Pending CN109320885A (en) | 2018-10-15 | 2018-10-15 | A kind of modified ptfe hose and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109320885A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330744A (en) * | 2019-06-24 | 2019-10-15 | 成都盛帮密封件股份有限公司 | A kind of valve oil seal fluorubber material of methanol tolerant high abrasion and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952360A (en) * | 2012-11-06 | 2013-03-06 | 浙江国威汽车配件有限公司 | Fluorine-containing polymer mixing material and method for preparing bulb buffer ball keyway by same |
| CN103102625A (en) * | 2012-12-27 | 2013-05-15 | 上海长园电子材料有限公司 | Fluorine plastic and fluorine plastic sleeve |
| CN103102624A (en) * | 2012-12-27 | 2013-05-15 | 上海长园电子材料有限公司 | Manufacturing method of fluorine plastic sleeve |
| CN108102261A (en) * | 2016-11-24 | 2018-06-01 | 刘芳 | A kind of polyphenylene sulfide and nanometer Al2O3Filled polytetrafluoroethylene composite material |
-
2018
- 2018-10-15 CN CN201811198695.3A patent/CN109320885A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952360A (en) * | 2012-11-06 | 2013-03-06 | 浙江国威汽车配件有限公司 | Fluorine-containing polymer mixing material and method for preparing bulb buffer ball keyway by same |
| CN103102625A (en) * | 2012-12-27 | 2013-05-15 | 上海长园电子材料有限公司 | Fluorine plastic and fluorine plastic sleeve |
| CN103102624A (en) * | 2012-12-27 | 2013-05-15 | 上海长园电子材料有限公司 | Manufacturing method of fluorine plastic sleeve |
| CN108102261A (en) * | 2016-11-24 | 2018-06-01 | 刘芳 | A kind of polyphenylene sulfide and nanometer Al2O3Filled polytetrafluoroethylene composite material |
Non-Patent Citations (2)
| Title |
|---|
| YUE WANG等: "Tribological Behavior of Nano-Al2O3-Reinforced PPS PTFE Composites", 《TRIBOLOGY TRANSACTIONS》 * |
| 杨桂生编: "《工程塑料》", 31 December 2017, 中国铁道出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330744A (en) * | 2019-06-24 | 2019-10-15 | 成都盛帮密封件股份有限公司 | A kind of valve oil seal fluorubber material of methanol tolerant high abrasion and preparation method thereof |
| CN110330744B (en) * | 2019-06-24 | 2021-01-26 | 成都盛帮密封件股份有限公司 | Methanol-resistant and high-wear-resistant valve oil seal fluororubber material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109627679A (en) | A kind of highly conductive polyether-ether-ketone composite material and preparation method thereof | |
| US3473087A (en) | Electrically conductive polytetrafluoroethylene tubing | |
| EP3526287B1 (en) | Sealing element and/or conduction ring made of a composition of polytetrafluoroethylene, perfluoralkoxy polymer and filler | |
| CN103102502A (en) | Preparation method of novel insulated rubber | |
| CN105504612A (en) | Preparation method of anti-static polytetrafluoroethylene thin film | |
| CN103203810A (en) | Continuous manufacturing method for rubber masterbatch, rubber masterbatch prepared by using continuous manufacturing method and rubber product | |
| CN106010126B (en) | A kind of graphene-based anti-static and abrasion-resistant bicomponent epoxy resin coating | |
| CN104194232A (en) | Modified polytetrafluoroethylene filling material and preparation method thereof | |
| CN109320885A (en) | A kind of modified ptfe hose and preparation method thereof | |
| CN105968983A (en) | Preparation method of modified graphene-teflon composite solid lubricating coating | |
| CN107841142A (en) | A kind of soft conductive rubber and preparation method thereof | |
| CN107446284A (en) | High heat conduction high-temperature region sealing strip PTFE resin composite and preparation method thereof | |
| CN105199535B (en) | A kind of electromagnetic wire application pure epoxy powdery paints and preparation method thereof | |
| CN103571114A (en) | Polytetrafluoroethylene piston sealing ring and preparation method thereof | |
| CN103788551B (en) | A kind of ptfe composite and preparation method thereof | |
| CN104592710B (en) | A kind of heat-proof combustion-resistant inhales ripple insulant and preparation method thereof | |
| CN106995545A (en) | A kind of C60 fullerene modifications wear resistant polyethylene composite and preparation method thereof | |
| CN104341710B (en) | Electronic equipment part wear-resisting anti-static composite material and preparation method thereof | |
| CN105670214A (en) | Highly-wear-resistant silicon nitride/polyformaldehyde nano composite material and preparation method thereof | |
| US9051462B2 (en) | Polymer compound and components produced using the compound | |
| CN104448825A (en) | Polyphenylene sulfide composite material and preparation method thereof | |
| CN112480644A (en) | Insulating self-lubricating polyphenyl ether composite material and preparation method thereof | |
| CN104387771A (en) | Two-component conductive polysulfide sealant and preparation method thereof | |
| CN105400025B (en) | A kind of acid and alkali-resistance neoprene | |
| US3409584A (en) | Tetrafluoroethylene products and methods |
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: 20190212 |
|
| RJ01 | Rejection of invention patent application after publication |