CN106273413B - A kind of PETT Lining Technologies - Google Patents
A kind of PETT Lining Technologies Download PDFInfo
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- CN106273413B CN106273413B CN201610673669.6A CN201610673669A CN106273413B CN 106273413 B CN106273413 B CN 106273413B CN 201610673669 A CN201610673669 A CN 201610673669A CN 106273413 B CN106273413 B CN 106273413B
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- Prior art keywords
- parts
- liner plate
- modified
- adhesive
- container
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
- B29C65/12—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined and welding bar
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/731—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the intensive physical properties of the material of the parts to be joined
- B29C66/7311—Thermal properties
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
Abstract
The invention discloses a kind of PETT Lining Technologies, step 1：Modified Teflon sanction is molded into and container or pipeline patch shape liner plate；Step 2：The one side that liner plate is bonded with container or inner-walls of duct coats adhesive；Step 3：Liner plate is fit together with container inner wall by adhesive；Step 4：Drying；Step 5：Seam crossing between liner plate and liner plate is put into PFA welding rods；Step 6：It will be welded together by welding rod between liner plate and liner plate；The modified Teflon is formed including following parts by weight：Polytetrafluoroethylene (PTFE)：100 parts of polybenzoate：5 part of 44 ' hydroxy-ketone of butyl：1 part of coupling agent：5 parts of modified graphenes：5 parts as a further improvement on the present invention：The adhesive be silicone pressure sensitive type adhesive, the silicone pressure sensitive type adhesive.The Lining Technology of the present invention, can increase substantially liner plate and container, the adhesion strength of inner-walls of duct, while improve antistatic property, particularly after prolonged use, still with preferable adhesion strength and antistatic property.
Description
Technical field
The present invention relates to a kind of equipment production technologies, more particularly to a kind of PETT Lining Technologies.
Background technology
It, can be in container or pipe liner last layer polytetrafluoroethylene (PTFE) when there is specific use in existing Chemical Manufacture.It is poly-
Tetrafluoroethene（Polytetrafluoroethylene is abbreviated as PTFE, commonly referred to as " non-sticking lining " or " material easy to clean.
This material has the characteristics that antiacid alkali resistant, resists various organic solvents, is practically insoluble in all solvents.Meanwhile polytetrafluoroethyl-ne
Alkene has the characteristics that heat safe, its coefficient of friction is extremely low, so after can making lubricating action, also becomes in water pipe easy to clean
The preferable coating of layer.
But the cohesive force of polytetrafluoroethylene (PTFE) in itself is poor, can not realize preferable bond effect.
The content of the invention
In view of the deficiencies of the prior art, the present invention intends to provide one kind to be capable of providing preferable bond effect
PETT Lining Technologies.
To achieve the above object, the present invention provides following technical solutions：
A kind of PETT Lining Technologies,
Step 1：Modified Teflon sanction is molded into and container or pipeline patch shape liner plate；
Step 2：The one side that liner plate is bonded with container or inner-walls of duct coats adhesive；
Step 3：Liner plate is fit together with container inner wall by adhesive；
Step 4：Drying；
Step 5：Seam crossing between liner plate and liner plate is put into PFA welding rods；
Step 6：It will be welded together by welding rod between liner plate and liner plate；
The modified Teflon is formed including following parts by weight：
Polytetrafluoroethylene (PTFE)：100 parts
Polybenzoate：5 parts
4- butyl -4'- hydroxy-ketones：1 part
Coupling agent：5 parts
Modified graphene：5 parts
As a further improvement on the present invention：
The adhesive is silicone pressure sensitive type adhesive.
As a further improvement on the present invention：
The step 3 is：Container or inner-walls of duct by cleaning solution are cleaned, dried after having cleaned, afterwards by gluing
Agent is coated on liner plate, and naturally dry 5 minutes under the conditions of 20 ~ 25 DEG C.
As a further improvement on the present invention：
The cleaning solution is formed including following parts by weight：
Citric acid：5 parts
Acetone：10 parts
0.5 part of potassium dihydrogen phosphate
1.5 parts of disodium hydrogen phosphate
2 parts of phosphoglycerol.
As a further improvement on the present invention：
The coupling agent is a fluorine triethoxysilane.
As a further improvement on the present invention：
The coupling agent be double (3- (triethoxysilicane) propyl) tetrasulfides, γ-aminopropyltriethoxy diethoxy silane,
The mixture of 1H, 1H, 2H, 2H- perfluoro capryl triethoxysilane, mass ratio 2:1:3.
As a further improvement on the present invention：
The modified graphite is prepared including following method：
Step A：Graphene is added in strong oxidizer and carries out that graphene oxide slurry is obtained by the reaction；
Step B：Surface of graphene oxide oxidant is removed；
Step C：Coupling agent adds in modification in graphene oxide and obtains modified graphene.
As a further improvement on the present invention：
The step A：Graphene is added in into the mixture of hydrogen peroxide and Boratex, passes below 10 DEG C of ice bath item
It is reacted 20 ~ 50 minutes under part and obtains preliminary oxidation graphene, raise the temperature to 30 DEG C again afterwards, add in potassium permanganate reaction 20
~ 40 minutes, obtain graphene oxide.
As a further improvement on the present invention：
The modified coupling agent is formed including following parts by weight：
Gamma-mercaptopropyltriethoxysilane：30 parts
Vinyltriethoxysilane：10 parts
Trimethyl (trifluoromethyl) silane：5 parts
Silester：5 parts.
The Lining Technology of the present invention, first passes through adhesive glue afterwards by modified Teflon plasticity into the shape of needs
It sticks together, the method for being welded together each block of liner plate by PFA welding rods can be played modified Teflon preferably
Lining such as enters to inside pipeline or container, and this process is relatively simple, easy to operate, reduces operation difficulty, is particularly suitable for
Tun.It can ensure that the connection between bonding strength and liner plate and container, the inner-walls of duct between liner plate and liner plate is strong
Degree.PFA plastics are a small amount of perfluoro propyl perfluoroalkyl vinyl ether and the copolymer of polytetrafluoroethylene (PTFE).Bond vitrified enhances, solution
Viscosity declines, and performance is unchanged compared with polytetrafluoroethylene (PTFE).PFA itself just has preferable corrosion resistance, same to molecular configurational
It is similar to polytetrafluoroethylene (PTFE), it can be good at compatible with polytetrafluoroethylene (PTFE), this makes it possible to ensure to ensure while corrosion resistance
Bonding strength.
In the present invention, modified Teflon is using polytetrafluoroethylene (PTFE) as carrier, by add in polybenzoate and 4- butyl-
4'- hydroxy-ketones adjust the molecular structure of entire polytetrafluoroethylene (PTFE) so that polytetrafluoroethylene (PTFE) is ensureing the same of its acid-fast alkali-proof
When, enable to polytetrafluoroethylene (PTFE) can under the action of changing lower tetrafluoroethene active group with certain elasticity, while imparting
It plays and preferably generates intermolecular force with adhesive, improve adhesion strength, while be also beneficial in the welding process, improve
The bonding strength of PFA and modified Teflon.
The addition of modified graphene is primarily to improve whole antistatic property, in the process of modified graphene
In, it is aoxidized first by hydrogen oxide and Boratex, hydrogen oxide is frequently used for aoxidizing as common oxidant, and boric acid
The addition of sodium is primarily to adjusting oxidizing intensity, prevents excessive oxidation so that preliminary oxidation is more uniform, and excessive oxidation can make
Its to lose be property that graphene just possesses in itself.In addition after by preliminary oxidation, add in potassium permanganate and carry out again
Oxidation, so that the graphene oxide hole of final oxidation out is more uniform.
Afterwards by adding in coupling agent, enable to during the reaction, form tridimensional network so that polytetrafluoroethyl-ne
Alkene has certain elasticity, in this way, in the edge of pipeline, it becomes possible in pipeline and pipeline or pipeline and flanged joint mistake
Cheng Zhong can have preferable sealing effect under the action of elastic restoring force.
In coupling process, by adding in gamma-mercaptopropyltriethoxysilane, vinyltriethoxysilane, trimethyl
(trifluoromethyl) silane, silester progress react with graphene oxide, form modified activated carbon, pass through obstructed type silicon
The common modification of alkane, particularly by by adding in gamma-mercaptopropyltriethoxysilane, vinyltriethoxysilane, front three
The common modification of base (trifluoromethyl) silane so that modified graphene can have preferably to be mixed with the poly- polytetrafluoroethylene (PTFE) of modification
Compatibility, meanwhile, the active group of institute's band also can generate chemistry with the modified Teflon Jing Guo coupling agent modified mistake
Reaction, so that modified graphene after entirety is mixed into, can be played with better molecular force, so as to anti-
Only powdered modified graphene is therefrom lost in, and causes waste and performance bad.And add in silicic acid second in modified coupling agent
Ester can improve gamma-mercaptopropyltriethoxysilane, vinyltriethoxysilane, trimethyl (trifluoromethyl) silane and mix
Degree of mixing in the process so that there is preferably dispersiveness on the whole so that modified graphene property is more uniform.Simultaneously
The active group on modified Teflon surface can also be increased, so as to improve the bond effect with adhesive.
The weatherability of its antistatic property can be increased substantially by the cooperation of modified graphene and modified Teflon,
I.e. during long-time use, still with preferable antistatic property.
And silicone pressure sensitive type adhesive is selected in the selection of adhesive, due to the active group on silicone pressure sensitive type adhesive
Group, can generate larger intermolecular force with the active group in modified Teflon, further improve adhesion strength.
In conclusion the Lining Technology of the present invention, can increase substantially liner plate and container, the bonding of inner-walls of duct are strong
Degree, while antistatic property is improved, particularly after prolonged use, still with preferable adhesion strength and antistatic property
Energy.
Specific embodiment
Embodiment one：
A kind of PETT Lining Technologies,
Step 1：Modified Teflon sanction is molded into and container or pipeline patch shape liner plate；
Step 2：The one side that liner plate is bonded with container or inner-walls of duct coats adhesive；
Step 3：Liner plate is fit together with container inner wall by adhesive；
Step 4：Drying；
Step 5：Seam crossing between liner plate and liner plate is put into PFA welding rods；
Step 6：It will be welded together by welding rod between liner plate and liner plate；
The modified Teflon is formed including following parts by weight：
Polytetrafluoroethylene (PTFE)：100 parts
Polybenzoate：5 parts
4- butyl -4'- hydroxy-ketones：1 part
Coupling agent：5 parts
Modified graphene：5 parts
The adhesive is silicone pressure sensitive type adhesive.
The step 3 is：Container or inner-walls of duct by cleaning solution are cleaned, dried after having cleaned, afterwards by gluing
Agent is coated on liner plate, and naturally dry 5 minutes under the conditions of 20 ~ 25 DEG C.
The cleaning solution is formed including following parts by weight：
Citric acid：5 parts
Acetone：10 parts
0.5 part of potassium dihydrogen phosphate
1.5 parts of disodium hydrogen phosphate
2 parts of phosphoglycerol.
The coupling agent is a fluorine triethoxysilane.
The coupling agent be double (3- (triethoxysilicane) propyl) tetrasulfides, γ-aminopropyltriethoxy diethoxy silane,
The mixture of 1H, 1H, 2H, 2H- perfluoro capryl triethoxysilane, mass ratio 2:1:3.
The modified graphite is prepared including following method：
Step A：Graphene is added in strong oxidizer and carries out that graphene oxide slurry is obtained by the reaction；
Step B：Surface of graphene oxide oxidant is removed；
Step C：Coupling agent adds in modification in graphene oxide and obtains modified graphene.
The step A：Graphene is added in into the mixture of hydrogen peroxide and Boratex, passes below 10 DEG C of ice bath item
It is reacted 20 ~ 50 minutes under part and obtains preliminary oxidation graphene, raise the temperature to 30 DEG C again afterwards, add in potassium permanganate reaction 20
~ 40 minutes, obtain graphene oxide.
The modified coupling agent is formed including following parts by weight：
Gamma-mercaptopropyltriethoxysilane：30 parts
Vinyltriethoxysilane：10 parts
Trimethyl (trifluoromethyl) silane：5 parts
Silester：5 parts.
Embodiment two：
A kind of PETT Lining Technologies,
Step 1：Modified Teflon sanction is molded into and container or pipeline patch shape liner plate；
Step 2：The one side that liner plate is bonded with container or inner-walls of duct coats adhesive；
Step 3：Liner plate is fit together with container inner wall by adhesive；
Step 4：Drying；
Step 5：Seam crossing between liner plate and liner plate is put into PFA welding rods；
Step 6：It will be welded together by welding rod between liner plate and liner plate；
The modified Teflon is formed including following parts by weight：
Polytetrafluoroethylene (PTFE)：100 parts
Polybenzoate：5 parts
4- butyl -4'- hydroxy-ketones：1 part
Coupling agent：5 parts
Modified graphene：5 parts
The adhesive is silicone pressure sensitive type adhesive.
The step 3 is：Container or inner-walls of duct by cleaning solution are cleaned, dried after having cleaned, afterwards by gluing
Agent is coated on liner plate, and naturally dry 5 minutes under the conditions of 20 ~ 25 DEG C.
The coupling agent is a fluorine triethoxysilane.
The coupling agent be double (3- (triethoxysilicane) propyl) tetrasulfides, γ-aminopropyltriethoxy diethoxy silane,
The mixture of 1H, 1H, 2H, 2H- perfluoro capryl triethoxysilane, mass ratio 2:1:3.
The modified graphite is prepared including following method：
Step A：Graphene is added in strong oxidizer and carries out that graphene oxide slurry is obtained by the reaction；
Step B：Surface of graphene oxide oxidant is removed；
Step C：Coupling agent adds in modification in graphene oxide and obtains modified graphene.
The step A：Graphene is added in into the mixture of hydrogen peroxide and Boratex, passes below 10 DEG C of ice bath item
It is reacted 20 ~ 50 minutes under part and obtains preliminary oxidation graphene, raise the temperature to 30 DEG C again afterwards, add in potassium permanganate reaction 20
~ 40 minutes, obtain graphene oxide.
The modified coupling agent is formed including following parts by weight：
Gamma-mercaptopropyltriethoxysilane：30 parts
Vinyltriethoxysilane：10 parts
Trimethyl (trifluoromethyl) silane：5 parts
Silester：5 parts.
Comparative example one：
Polytetrafluoroethylene (PTFE) is directly selected, plate is prepared into, container or pipe is bonded in by silicone pressure sensitive type adhesive
Road inner wall is welded together afterwards by PFA welding rods.
The raw material of above-mentioned comparative example and embodiment is mixed, is added in double screw extruder is made after mixing
Plastic pellet, then plastic pellet is clayed into power, it by equal-pressure method, is lining into castiron tube body, detects its stripping afterwards
From intensity, sheet resistance.In addition, will entirely be lined with the tube body of modified Teflon when ultra violet lamp 5 is small, it is 15 small
When, 50 it is small in the case of detect peel strength and sheet resistance.
The Lining Technology of the present invention, first passes through adhesive glue afterwards by modified Teflon plasticity into the shape of needs
It sticks together, the method for being welded together each block of liner plate by PFA welding rods can be played modified Teflon preferably
Lining such as enters to inside pipeline or container, and this process is relatively simple, easy to operate, reduces operation difficulty, is particularly suitable for
Tun.It can ensure that the connection between bonding strength and liner plate and container, the inner-walls of duct between liner plate and liner plate is strong
Degree.PFA plastics are a small amount of perfluoro propyl perfluoroalkyl vinyl ether and the copolymer of polytetrafluoroethylene (PTFE).Bond vitrified enhances, solution
Viscosity declines, and performance is unchanged compared with polytetrafluoroethylene (PTFE).PFA itself just has preferable corrosion resistance, same to molecular configurational
It is similar to polytetrafluoroethylene (PTFE), it can be good at compatible with polytetrafluoroethylene (PTFE), this makes it possible to ensure to ensure while corrosion resistance
Bonding strength.
In the present invention, modified Teflon is using polytetrafluoroethylene (PTFE) as carrier, by add in polybenzoate and 4- butyl-
4'- hydroxy-ketones adjust the molecular structure of entire polytetrafluoroethylene (PTFE) so that polytetrafluoroethylene (PTFE) is ensureing the same of its acid-fast alkali-proof
When, enable to polytetrafluoroethylene (PTFE) can under the action of changing lower tetrafluoroethene active group with certain elasticity, while imparting
It plays and preferably generates intermolecular force with adhesive, improve adhesion strength, while be also beneficial in the welding process, improve
The bonding strength of PFA and modified Teflon.
The addition of modified graphene is primarily to improve whole antistatic property, in the process of modified graphene
In, it is aoxidized first by hydrogen oxide and Boratex, hydrogen oxide is frequently used for aoxidizing as common oxidant, and boric acid
The addition of sodium is primarily to adjusting oxidizing intensity, prevents excessive oxidation so that preliminary oxidation is more uniform, and excessive oxidation can make
Its to lose be property that graphene just possesses in itself.In addition after by preliminary oxidation, add in potassium permanganate and carry out again
Oxidation, so that the graphene oxide hole of final oxidation out is more uniform.
Afterwards by adding in coupling agent, enable to during the reaction, form tridimensional network so that polytetrafluoroethyl-ne
Alkene has certain elasticity, in this way, in the edge of pipeline, it becomes possible in pipeline and pipeline or pipeline and flanged joint mistake
Cheng Zhong can have preferable sealing effect under the action of elastic restoring force.
In coupling process, by adding in gamma-mercaptopropyltriethoxysilane, vinyltriethoxysilane, trimethyl
(trifluoromethyl) silane, silester progress react with graphene oxide, form modified activated carbon, pass through obstructed type silicon
The common modification of alkane, particularly by by adding in gamma-mercaptopropyltriethoxysilane, vinyltriethoxysilane, front three
The common modification of base (trifluoromethyl) silane so that modified graphene can have preferably to be mixed with the poly- polytetrafluoroethylene (PTFE) of modification
Compatibility, meanwhile, the active group of institute's band also can generate chemistry with the modified Teflon Jing Guo coupling agent modified mistake
Reaction, so that modified graphene after entirety is mixed into, can be played with better molecular force, so as to anti-
Only powdered modified graphene is therefrom lost in, and causes waste and performance bad.And add in silicic acid second in modified coupling agent
Ester can improve gamma-mercaptopropyltriethoxysilane, vinyltriethoxysilane, trimethyl (trifluoromethyl) silane and mix
Degree of mixing in the process so that there is preferably dispersiveness on the whole so that modified graphene property is more uniform.Simultaneously
The active group on modified Teflon surface can also be increased, so as to improve the bond effect with adhesive.
The weatherability of its antistatic property can be increased substantially by the cooperation of modified graphene and modified Teflon,
I.e. during long-time use, still with preferable antistatic property.
And silicone pressure sensitive type adhesive is selected in the selection of adhesive, due to the active group on silicone pressure sensitive type adhesive
Group, can generate larger intermolecular force with the active group in modified Teflon, further improve adhesion strength.
In conclusion the Lining Technology of the present invention, can increase substantially liner plate and container, the bonding of inner-walls of duct are strong
Degree, while antistatic property is improved, particularly after prolonged use, still with preferable adhesion strength and antistatic property
Energy.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of PETT Lining Technologies, it is characterised in that：
Step 1：Modified Teflon sanction is molded into and container or pipeline patch shape liner plate；
Step 2：The one side that liner plate is bonded with container or inner-walls of duct coats adhesive；
Step 3：Liner plate is fit together with container inner wall by adhesive；
Step 4：Drying；
Step 5：Seam crossing between liner plate and liner plate is put into PFA welding rods；
Step 6：It will be welded together by welding rod between liner plate and liner plate；
The modified Teflon is formed including following parts by weight：
Polytetrafluoroethylene (PTFE)：100 parts
Polybenzoate：5 parts
4- butyl -4'- hydroxy-ketones：1 part
Coupling agent：5 parts
Modified graphene：5 parts；
The adhesive is silicone pressure sensitive type adhesive；
The step 3 is：Container or inner-walls of duct by cleaning solution are cleaned, dries after having cleaned, afterwards applies adhesive
It overlays on liner plate, and naturally dry 5 minutes under the conditions of 20 ~ 25 DEG C；
The cleaning solution is formed including following parts by weight：
Citric acid：5 parts
Acetone：10 parts
0.5 part of potassium dihydrogen phosphate
1.5 parts of disodium hydrogen phosphate
2 parts of phosphoglycerol；
The coupling agent is a fluorine triethoxysilane；
The coupling agent further include double (3- (triethoxysilicane) propyl) tetrasulfides, γ-aminopropyltriethoxy diethoxy silane,
The mixture of 1H, 1H, 2H, 2H- perfluoro capryl triethoxysilane, mass ratio 2:1:3.
2. a kind of PETT Lining Technologies according to claim 1, it is characterised in that：
The modified graphite is prepared including following method：
Step A：Graphene is added in strong oxidizer and carries out that graphene oxide slurry is obtained by the reaction；
Step B：Surface of graphene oxide oxidant is removed；
Step C：Coupling agent adds in modification in graphene oxide and obtains modified graphene.
3. a kind of PETT Lining Technologies according to claim 2, it is characterised in that：
The step A：Graphene is added in into the mixture of hydrogen peroxide and Boratex, is passed below under 10 DEG C of condition of ice bath
Reaction obtains preliminary oxidation graphene in 20 ~ 50 minutes, raises the temperature to 30 DEG C again afterwards, adds in potassium permanganate reaction 20 ~ 40
Minute, obtain graphene oxide.
4. a kind of PETT Lining Technologies according to claim 3, it is characterised in that：
The modified coupling agent is formed including following parts by weight：
Gamma-mercaptopropyltriethoxysilane：30 parts
Vinyltriethoxysilane：10 parts
Trimethyl (trifluoromethyl) silane：5 parts
Silester：5 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610673669.6A CN106273413B (en) | 2016-08-16 | 2016-08-16 | A kind of PETT Lining Technologies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610673669.6A CN106273413B (en) | 2016-08-16 | 2016-08-16 | A kind of PETT Lining Technologies |
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| Publication Number | Publication Date |
|---|---|
| CN106273413A CN106273413A (en) | 2017-01-04 |
| CN106273413B true CN106273413B (en) | 2018-05-18 |
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| CN201610673669.6A Active CN106273413B (en) | 2016-08-16 | 2016-08-16 | A kind of PETT Lining Technologies |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407312A (en) * | 2018-03-22 | 2018-08-17 | 郑细玉 | A kind of low-friction coefficient Fluorine-lined plate note technique |
| CN108485135A (en) * | 2018-03-22 | 2018-09-04 | 郑细玉 | A kind of Fluorine-lined pipeline of ultralow friction coefficient |
| CN108948606A (en) * | 2018-05-21 | 2018-12-07 | 丽水学院 | A kind of polyphosphazene polymer shares reaction kettle |
| CN109595402A (en) * | 2018-12-10 | 2019-04-09 | 运城学院 | A kind of chemical industry equipment pipeline and its pipeline processing technique |
| CN109762280A (en) * | 2019-01-04 | 2019-05-17 | 江苏金晟元特种阀门股份有限公司 | A kind of valve Special pad material, preparation method and applications |
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| CN101250701A (en) * | 2008-03-24 | 2008-08-27 | 陈晓宇 | Steel tank plastic-pasting internal lining antisepsis method |
| CN102206390A (en) * | 2011-01-21 | 2011-10-05 | 浙江吉利汽车研究院有限公司 | Modification method for reinforcing polytetrafluoroethylene material through ekonol and aramid fiber |
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2016
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| CN101250701A (en) * | 2008-03-24 | 2008-08-27 | 陈晓宇 | Steel tank plastic-pasting internal lining antisepsis method |
| CN102206390A (en) * | 2011-01-21 | 2011-10-05 | 浙江吉利汽车研究院有限公司 | Modification method for reinforcing polytetrafluoroethylene material through ekonol and aramid fiber |
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