CN108948606A - A kind of polyphosphazene polymer shares reaction kettle - Google Patents
A kind of polyphosphazene polymer shares reaction kettle Download PDFInfo
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Abstract
The invention discloses a kind of polyphosphazene polymers to share reaction kettle, it is characterized by comprising reaction kettle ontologies, the modification fluoroplastics of reaction kettle inner wall are fitted in inside the reacting body by silicone pressure sensitive type adhesive, the modified fluoroplastics include following weight parts composition: polytetrafluoroethylene (PTFE): 100 parts of N- methyl -3- phenyl -3- (4-(trifluoromethyl)phenoxy) propylamine: 1 part of fluorine amyl group chlroacetone: 2 parts of antibacterial agents: 3 parts of modified graphenes: 3 portions of blenders: 2 parts.While the Fluorine-lined reaction kettle prepared through the invention has preferable anti-microbial property, there is lower coefficient of friction and the higher intensity that is bonded with metal, and there is certain acidproof alkali ability.
Description
Technical field
The present invention relates to a kind of chemical industry equipment, more particularly to a kind of polyphosphazene polymer shares reaction kettle.
Background technique
The broad understanding of reaction kettle has the container physically or chemically reacted, is designed by the structure to container and is matched with parameter
It sets, realizes the mixed function for heating, evaporation, cooling and the low high speed that technique requires.
Reaction kettle is widely used in petroleum, chemical industry, rubber, pesticide, dyestuff, medicine, food, for complete vulcanization, nitrification,
Pressure vessel of the technical process such as hydrogenation, hydrocarbonylation, polymerization, condensation, such as reactor, reaction pot, decomposition pot, polymeric kettle etc.；Material
Matter generally has carbon manganese steel, stainless steel, zirconium, Ni-based (Kazakhstan, Monel, inconel) alloy and other composite materials.
In some special field of macromolecule polymerization, need to be lining into polytetrafluoroethylene (PTFE) in the inside of reaction kettle, but it is poly-
Tetrafluoroethene does not have anti-microbial property, in actual use, often find after week age does not use, in reaction kettle compared with
For mildew easy to breed, this explanation has bacteria breed.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of Fluorine-lined that bacteria can be prevented from growing reaction
Kettle.
To achieve the above object, the present invention provides the following technical scheme that
A kind of polyphosphazene polymer shares reaction kettle, including reaction kettle ontology, passes through silicone pressure sensitive type gluing inside the reacting body
Agent is fitted in the modification fluoroplastics of reaction kettle inner wall, and the modified fluoroplastics include following weight parts composition:
Polytetrafluoroethylene (PTFE): 100 parts
N- methyl -3- phenyl -3- (4-(trifluoromethyl)phenoxy) propylamine: 1 part
Fluorine amyl group chlroacetone: 2 parts
Antibacterial agent: 3 parts
Modified graphene: 3 parts
Blender: 2 parts.
As a further improvement of the present invention, the modified graphene includes following mass parts compositions:
100 parts of graphene
(4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane: 1 part
Double fluorine (fluorosulfonyl) acetic acid esters of trimethylsilyl: 2 parts
(N, N- dimethyl -3- aminopropyl) trimethoxy silane: 2 parts.
As a further improvement of the present invention, the modified graphene the preparation method comprises the following steps:
Step A: by the graphene oxide of graphene oxidation system；
Step B: by (4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane, the double fluorine (fluorine of trimethylsilyl
For sulfonyl) acetic acid esters, (N, N- dimethyl -3- aminopropyl) trimethoxy silane be dispersed in acetone soln；
Step C: graphene oxide is added in the acetone soln obtained in stepb and is uniformly mixed, it is small that reaction 12 is issued at 60 DEG C
When, obtain modified graphene.
As a further improvement of the present invention, the step A is to be added in container in the excessive concentrated sulfuric acid, pass through ice bath
Temperature is controlled at 4 DEG C, the graphene of 100 mesh is added later, later in the NaNO that graphene half quality is added3, it
It is slowly added to the potassium permanganate of three times graphene quality afterwards, is added and completes, stirred 90 minutes under condition of ice bath, later by ice bath
It changes water-bath into, controls temperature at 35 DEG C, react 30 minutes, the deionized water of double concentrated sulfuric acid volume is added later, is heated to 80
DEG C, it is slowly added to the hydrogen peroxide of 5% concentration later, is washed in centrifuge after reaction solution is in gold, until BaCl2 is without white
After precipitating generates, drying obtains graphene oxide at 50 DEG C.
As a further improvement of the present invention, the antibacterial agent is silver-carrying nano silica,
The silver-carrying nano silica includes subordinate's parts by weight composition:
Nano silica: 500 parts
Silane coupling agent: 10 parts
Silver compound: 20 parts
Complexing agent: 30 parts.
As a further improvement of the present invention, the silane coupling agent is the 3- trifluoroacetyl oxygroup that mass ratio is 1:1:2
Bis- (trifluoromethayl sulfonic acid) esters of propyl trimethoxy silicane, 3- diethylin propyl trimethoxy silicane, di-t-butyl silicon substrate
Mixture.
As a further improvement of the present invention, the silver-carrying nano silica is prepared by following methods:
Nano silica is activated, nano silica is immersed in parachlorobenzoyl chloride, is stirred under the conditions of 20 ~ 30 DEG C anti-
It answers 10 ~ 15 hours, nano silica is activated；
Activation nano silica and silane coupling agent are dispersed in pyrrolidones, under nitrogen protection 90 DEG C of constant temperature reactions 6
Hour, reaction solution room temperature 12000r/min is centrifugally separating to obtain modified manometer silicon dioxide；
Modified manometer silicon dioxide is added into deionized water, by ammonium hydroxide adjusting pH value to 9 ~ 11, while silver compound is added
And complexing agent, it is stirred 2 ~ 8h, obtains silver-carrying nano silica；
The silver compound is silver nitrate；
The complexing agent is polyvinylpyrrolidone.
As a further improvement of the present invention, the blender is silylation-imino group Asia phosphono that mass ratio is 3:1:1
Tetrafluoro, cis- 5- octen-1-ol, isopropyl Dipropyl sulfide mixture.
Beneficial effects of the present invention, as invention main points of the invention, the present invention in polytetrafluoroethylene material by adding
Enter antibacterial agent and modified graphene, to enhance the antibiotic property of integral material, while reducing the coefficient of friction of material body, reduces
The frictional force of fluid flowing.Under normal circumstances, only antibacterial agent and modified graphene are simply added, the two material meeting
Generate certain adverse effect, effect will not be performed to most preferably, and the scheme of this problem that the present invention solves, mainly plus
Enter blender, the 2- oxo diethyl malonate, the ethylene glycol diethyl ether two that preferentially select mass ratio as 1:2 are selected in blender
The mixture of amine tetraacethyl, under the action of blender, so that antibacterial agent and modified graphene will not generate adverse effect, simultaneously
By the addition of modified additive, the molecular structure of EVA can be improved, to promote the dispersion between antibacterial agent and modified graphene
Ability.Meanwhile with closing the silane coupling agent being added in antibacterial agent, silane coupling agent particularly preferably-trifluoroacetyl oxygroup propyl
The mixing of bis- (trifluoromethayl sulfonic acid) esters of trimethoxy silane, 3- diethylin propyl trimethoxy silicane, di-t-butyl silicon substrate
Object, can be more preferable with the dispersion performance of the modified polytetrafluoroethylene (PTFE) of process, while being added in the modifying process of modified graphene
(4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane, the double fluorine (fluorosulfonyl) of trimethylsilyl
Acetic acid esters, (N, N- dimethyl -3- aminopropyl) trimethoxy silane can also change the surface group of graphene and modified
Polypropylene has better dispersion performance.Meanwhile passing through modified silica and graphene, the phase interaction of surface both group
With both also can be further improved the effect used.N- methyl -3- the benzene being added in the formula of polytetrafluoroethylene (PTFE) simultaneously
Base -3- (4-(trifluoromethyl)phenoxy) propylamine, fluorine amyl group chlroacetone are other than changing the group of ptfe surface, moreover it is possible to
Enough and modified graphene and antibacterial agent generate synergistic effect, under the action of silicone pressure sensitive type adhesive, can be improved polytetrafluoro
Vinyl material is bonded intensity with metal reaction kettle.
While the Fluorine-lined reaction kettle prepared through the invention has preferable anti-microbial property, there is lower coefficient of friction
With the higher intensity that is bonded with metal, and there is certain acidproof alkali ability.
Specific embodiment
Embodiment one:
A kind of polyphosphazene polymer shares reaction kettle, it is characterised in that: including reaction kettle ontology, passes through silicone inside the reacting body
Pressure sensitive adhesive is fitted in the modification fluoroplastics of reaction kettle inner wall, and the modified fluoroplastics include following weight parts composition:
Polytetrafluoroethylene (PTFE): 100 parts
N- methyl -3- phenyl -3- (4-(trifluoromethyl)phenoxy) propylamine: 1 part
Fluorine amyl group chlroacetone: 2 parts
Antibacterial agent: 3 parts
Modified graphene: 3 parts
Blender: 2 parts.
The modified graphene includes following mass parts compositions:
100 parts of graphene
(4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane: 1 part
Double fluorine (fluorosulfonyl) acetic acid esters of trimethylsilyl: 2 parts
(N, N- dimethyl -3- aminopropyl) trimethoxy silane: 2 parts.
The modified graphene the preparation method comprises the following steps:
Step A: by the graphene oxide of graphene oxidation system；
Step B: by (4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane, the double fluorine (fluorine of trimethylsilyl
For sulfonyl) acetic acid esters, (N, N- dimethyl -3- aminopropyl) trimethoxy silane be dispersed in acetone soln；
Step C: graphene oxide is added in the acetone soln obtained in stepb and is uniformly mixed, it is small that reaction 12 is issued at 60 DEG C
When, obtain modified graphene.
The step A is to be added in container in the excessive concentrated sulfuric acid, is controlled temperature at 4 DEG C by ice bath, is added later
The graphene of 100 mesh, later in the NaNO that graphene half quality is added3, it is slowly added to three times graphene quality later
Potassium permanganate, be added and complete, stir 90 minutes under condition of ice bath, change ice bath into water-bath later, control temperature at 35 DEG C,
Reaction 30 minutes, the deionized water of double concentrated sulfuric acid volume is added later, is heated to 80 DEG C, is slowly added to the double of 5% concentration later
Oxygen water washs in centrifuge after reaction solution is in gold, until drying at 50 DEG C after BaCl2 is generated without white precipitate
To graphene oxide.
The antibacterial agent is silver-carrying nano silica,
The silver-carrying nano silica includes subordinate's parts by weight composition:
Nano silica: 500 parts
Silane coupling agent: 10 parts
Silver compound: 20 parts
Complexing agent: 30 parts.
The silane coupling agent be mass ratio be 1:1:2 3- trifluoroacetyl oxygroup propyl trimethoxy silicane, 3- diethyl
The mixture of bis- (trifluoromethayl sulfonic acid) esters of aminocarbonyl propyl trimethoxy silane, di-t-butyl silicon substrate.
The silver-carrying nano silica is prepared by following methods:
Nano silica is activated, nano silica is immersed in parachlorobenzoyl chloride, is stirred under the conditions of 20 ~ 30 DEG C anti-
It answers 10 ~ 15 hours, nano silica is activated；
Activation nano silica and silane coupling agent are dispersed in pyrrolidones, under nitrogen protection 90 DEG C of constant temperature reactions 6
Hour, reaction solution room temperature 12000r/min is centrifugally separating to obtain modified manometer silicon dioxide；
Modified manometer silicon dioxide is added into deionized water, by ammonium hydroxide adjusting pH value to 9 ~ 11, while silver compound is added
And complexing agent, it is stirred 2 ~ 8h, obtains silver-carrying nano silica；
The silver compound is silver nitrate；
The complexing agent is polyvinylpyrrolidone.
The blender is silylation-imino group Asia phosphono tetrafluoro, cis- 5- octen-1-ol, different that mass ratio is 3:1:1
The mixture of propyl Dipropyl sulfide.
Raw material is mixed, what is be granulated in screw extruder arrives plastic pellet, by plastic pellet injection molding in fitting reaction
The shape of kettle inner wall is fitted on reaction kettle inner wall by silicone pressure sensitive type adhesive.
Comparative example one:
A kind of polyphosphazene polymer shares reaction kettle, it is characterised in that: including reaction kettle ontology, passes through silicone inside the reacting body
Pressure sensitive adhesive is fitted in the modification fluoroplastics of reaction kettle inner wall, and the modified fluoroplastics include following weight parts composition:
Polytetrafluoroethylene (PTFE): 100 parts
N- methyl -3- phenyl -3- (4-(trifluoromethyl)phenoxy) propylamine: 1 part
Fluorine amyl group chlroacetone: 2 parts
Antibacterial agent: 3 parts
Modified graphene: 3 parts
The modified graphene includes following mass parts compositions:
100 parts of graphene
(4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane: 1 part
Double fluorine (fluorosulfonyl) acetic acid esters of trimethylsilyl: 2 parts
(N, N- dimethyl -3- aminopropyl) trimethoxy silane: 2 parts.
The modified graphene the preparation method comprises the following steps:
Step A: by the graphene oxide of graphene oxidation system；
Step B: by (4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane, the double fluorine (fluorine of trimethylsilyl
For sulfonyl) acetic acid esters, (N, N- dimethyl -3- aminopropyl) trimethoxy silane be dispersed in acetone soln；
Step C: graphene oxide is added in the acetone soln obtained in stepb and is uniformly mixed, it is small that reaction 12 is issued at 60 DEG C
When, obtain modified graphene.
The step A is to be added in container in the excessive concentrated sulfuric acid, is controlled temperature at 4 DEG C by ice bath, is added later
The graphene of 100 mesh, later in the NaNO that graphene half quality is added3, it is slowly added to three times graphene quality later
Potassium permanganate, be added and complete, stir 90 minutes under condition of ice bath, change ice bath into water-bath later, control temperature at 35 DEG C,
Reaction 30 minutes, the deionized water of double concentrated sulfuric acid volume is added later, is heated to 80 DEG C, is slowly added to the double of 5% concentration later
Oxygen water washs in centrifuge after reaction solution is in gold, until drying at 50 DEG C after BaCl2 is generated without white precipitate
To graphene oxide.
The antibacterial agent is silver-carrying nano silica,
The silver-carrying nano silica includes subordinate's parts by weight composition:
Nano silica: 500 parts
Silane coupling agent: 10 parts
Silver compound: 20 parts
Complexing agent: 30 parts.
The silane coupling agent be mass ratio be 1:1:2 3- trifluoroacetyl oxygroup propyl trimethoxy silicane, 3- diethyl
The mixture of bis- (trifluoromethayl sulfonic acid) esters of aminocarbonyl propyl trimethoxy silane, di-t-butyl silicon substrate.
The silver-carrying nano silica is prepared by following methods:
Nano silica is activated, nano silica is immersed in parachlorobenzoyl chloride, is stirred under the conditions of 20 ~ 30 DEG C anti-
It answers 10 ~ 15 hours, nano silica is activated；
Activation nano silica and silane coupling agent are dispersed in pyrrolidones, under nitrogen protection 90 DEG C of constant temperature reactions 6
Hour, reaction solution room temperature 12000r/min is centrifugally separating to obtain modified manometer silicon dioxide；
Modified manometer silicon dioxide is added into deionized water, by ammonium hydroxide adjusting pH value to 9 ~ 11, while silver compound is added
And complexing agent, it is stirred 2 ~ 8h, obtains silver-carrying nano silica；
The silver compound is silver nitrate；
The complexing agent is polyvinylpyrrolidone.
Raw material is mixed, what is be granulated in screw extruder arrives plastic pellet, by plastic pellet injection molding in fitting reaction
The shape of kettle inner wall is fitted on reaction kettle inner wall by silicone pressure sensitive type adhesive.
Comparative example two:
A kind of polyphosphazene polymer shares reaction kettle, it is characterised in that: including reaction kettle ontology, passes through silicone inside the reacting body
Pressure sensitive adhesive is fitted in the modification fluoroplastics of reaction kettle inner wall, and the modified fluoroplastics include following weight parts composition:
Polytetrafluoroethylene (PTFE): 100 parts
N- methyl -3- phenyl -3- (4-(trifluoromethyl)phenoxy) propylamine: 1 part
Fluorine amyl group chlroacetone: 2 parts
Antibacterial agent: 3 parts
Graphene: 3 parts
Blender: 2 parts.
The antibacterial agent is silver-carrying nano silica,
The silver-carrying nano silica includes subordinate's parts by weight composition:
Nano silica: 500 parts
Silane coupling agent: 10 parts
Silver compound: 20 parts
Complexing agent: 30 parts.
The silane coupling agent be mass ratio be 1:1:2 3- trifluoroacetyl oxygroup propyl trimethoxy silicane, 3- diethyl
The mixture of bis- (trifluoromethayl sulfonic acid) esters of aminocarbonyl propyl trimethoxy silane, di-t-butyl silicon substrate.
The silver-carrying nano silica is prepared by following methods:
Nano silica is activated, nano silica is immersed in parachlorobenzoyl chloride, is stirred under the conditions of 20 ~ 30 DEG C anti-
It answers 10 ~ 15 hours, nano silica is activated；
Activation nano silica and silane coupling agent are dispersed in pyrrolidones, under nitrogen protection 90 DEG C of constant temperature reactions 6
Hour, reaction solution room temperature 12000r/min is centrifugally separating to obtain modified manometer silicon dioxide；
Modified manometer silicon dioxide is added into deionized water, by ammonium hydroxide adjusting pH value to 9 ~ 11, while silver compound is added
And complexing agent, it is stirred 2 ~ 8h, obtains silver-carrying nano silica；
The silver compound is silver nitrate；
The complexing agent is polyvinylpyrrolidone.
The blender is silylation-imino group Asia phosphono tetrafluoro, cis- 5- octen-1-ol, different that mass ratio is 3:1:1
The mixture of propyl Dipropyl sulfide.
Raw material is mixed, what is be granulated in screw extruder arrives plastic pellet, by plastic pellet injection molding in fitting reaction
The shape of kettle inner wall is fitted on reaction kettle inner wall by silicone pressure sensitive type adhesive.
Comparative example three:
A kind of polyphosphazene polymer shares reaction kettle, it is characterised in that: including reaction kettle ontology, passes through silicone inside the reacting body
Pressure sensitive adhesive is fitted in the modification fluoroplastics of reaction kettle inner wall, and the modified fluoroplastics include following weight parts composition:
Polytetrafluoroethylene (PTFE): 100 parts
N- methyl -3- phenyl -3- (4-(trifluoromethyl)phenoxy) propylamine: 1 part
Fluorine amyl group chlroacetone: 2 parts
Nano silica: 3 parts
Modified graphene: 3 parts
Blender: 2 parts.
The modified graphene includes following mass parts compositions:
100 parts of graphene
(4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane: 1 part
Double fluorine (fluorosulfonyl) acetic acid esters of trimethylsilyl: 2 parts
(N, N- dimethyl -3- aminopropyl) trimethoxy silane: 2 parts.
The modified graphene the preparation method comprises the following steps:
Step A: by the graphene oxide of graphene oxidation system；
Step B: by (4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane, the double fluorine (fluorine of trimethylsilyl
For sulfonyl) acetic acid esters, (N, N- dimethyl -3- aminopropyl) trimethoxy silane be dispersed in acetone soln；
Step C: graphene oxide is added in the acetone soln obtained in stepb and is uniformly mixed, it is small that reaction 12 is issued at 60 DEG C
When, obtain modified graphene.
The step A is to be added in container in the excessive concentrated sulfuric acid, is controlled temperature at 4 DEG C by ice bath, is added later
The graphene of 100 mesh, later in the NaNO that graphene half quality is added3, it is slowly added to three times graphene quality later
Potassium permanganate, be added and complete, stir 90 minutes under condition of ice bath, change ice bath into water-bath later, control temperature at 35 DEG C,
Reaction 30 minutes, the deionized water of double concentrated sulfuric acid volume is added later, is heated to 80 DEG C, is slowly added to the double of 5% concentration later
Oxygen water washs in centrifuge after reaction solution is in gold, until drying at 50 DEG C after BaCl2 is generated without white precipitate
To graphene oxide.
The blender is silylation-imino group Asia phosphono tetrafluoro, cis- 5- octen-1-ol, different that mass ratio is 3:1:1
The mixture of propyl Dipropyl sulfide.
Raw material is mixed, what is be granulated in screw extruder arrives plastic pellet, by plastic pellet injection molding in fitting reaction
The shape of kettle inner wall is fitted on reaction kettle inner wall by silicone pressure sensitive type adhesive.
Test one:
Antibiotic property test: 0.1g sample is accurately weighed, is added in the triangular flask equipped with 99mL sterile water, with ultrasonic wavelength-division
20min.Addition 1mL concentration is 107 CFU/mL bacteria suspensions.Separately take the triangular flask equipped with 99mL sterile water as blank pair
According to addition 1mL bacteria suspension.Above-mentioned triangular flask is placed in shaken cultivation case, the shaken cultivation under the conditions of 37 DEG C, 200r/min
30min.Respectively take 0.2mL mixed liquor in triangular flask, after appropriate dilution, be coated on culture dish, at 35 DEG C constant temperature incubation 48 ~
72h carries out bacterium colony counting.Above-mentioned two groups of samples respectively do 3 parallel laboratory tests, and antibiotic rate calculates as follows: R=[(A-B)/A]
* 100%
R --- antibiotic rate,
The average colony number of A --- blank control group;
B --- the average colony number of antimicrobial sample to be measured is added.
Mould and Escherichia coli are selected in the selection of strain.
Test two:
Detect coefficient of friction.
Test three: its peel strength is detected.
Table one: antibiotic property test
| Mould (%) | Escherichia coli (%) | |
| Embodiment one | 92 | 90 |
| Comparative example one | 68 | 69 |
| Comparative example two | 68 | 68 |
| Comparative example three | 30 | 32 |
Table two: coefficient of friction and peel strength
Beneficial effects of the present invention, as invention main points of the invention, the present invention is anti-by being added in polytetrafluoroethylene material
Microbial inoculum and modified graphene to enhance the antibiotic property of integral material, while reducing the coefficient of friction of material body, reduce stream
The frictional force of body flowing.Under normal circumstances, only antibacterial agent and modified graphene are simply added, and the two material can generate
Certain adverse effect will not perform to effect most preferably, and the scheme of this problem that the present invention solves, and be mainly added and adjust
And agent, the 2- oxo diethyl malonate, the ethylene glycol diethyl ether diamines four that preferentially select mass ratio as 1:2 are selected in blender
The mixture of acetic acid, so that antibacterial agent and modified graphene will not generate adverse effect, passes through simultaneously under the action of blender
The addition of modified additive, can improve the molecular structure of EVA, to promote the dispersion energy between antibacterial agent and modified graphene
Power.Meanwhile with closing the silane coupling agent being added in antibacterial agent, silane coupling agent particularly preferably-trifluoroacetyl oxygroup propyl three
The mixture of bis- (trifluoromethayl sulfonic acid) esters of methoxy silane, 3- diethylin propyl trimethoxy silicane, di-t-butyl silicon substrate,
Can be more preferable with the dispersion performance of the modified polytetrafluoroethylene (PTFE) of process, while being added in the modifying process of modified graphene
Double fluorine (fluorosulfonyl) second of (4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane, trimethylsilyl
Acid esters, (N, N- dimethyl -3- aminopropyl) trimethoxy silane can also change the surface group of graphene and modified poly-
Propylene has better dispersion performance.Meanwhile passing through modified silica and graphene, the phase interaction of surface both group
With both also can be further improved the effect used.N- methyl -3- the benzene being added in the formula of polytetrafluoroethylene (PTFE) simultaneously
Base -3- (4-(trifluoromethyl)phenoxy) propylamine, fluorine amyl group chlroacetone are other than changing the group of ptfe surface, moreover it is possible to
Enough and modified graphene and antibacterial agent generate synergistic effect, under the action of silicone pressure sensitive type adhesive, can be improved polytetrafluoro
Vinyl material is bonded intensity with metal reaction kettle.
The above is only a preferred embodiment of the present invention, 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 (8)
1. a kind of polyphosphazene polymer shares reaction kettle, it is characterised in that: including reaction kettle ontology, pass through silicon inside the reacting body
Ketone pressure sensitive adhesive is fitted in the modification fluoroplastics of reaction kettle inner wall, and the modified fluoroplastics include following weight parts composition:
Polytetrafluoroethylene (PTFE): 100 parts
N- methyl -3- phenyl -3- (4-(trifluoromethyl)phenoxy) propylamine: 1 part
Fluorine amyl group chlroacetone: 2 parts
Antibacterial agent: 3 parts
Modified graphene: 3 parts
Blender: 2 parts.
2. a kind of polyphosphazene polymer according to claim 1 shares reaction kettle, it is characterised in that:
The modified graphene includes following mass parts compositions:
100 parts of graphene
(4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane: 1 part
Double fluorine (fluorosulfonyl) acetic acid esters of trimethylsilyl: 2 parts
(N, N- dimethyl -3- aminopropyl) trimethoxy silane: 2 parts.
3. a kind of polyphosphazene polymer according to claim 2 shares reaction kettle, it is characterised in that:
The modified graphene the preparation method comprises the following steps:
Step A: by the graphene oxide of graphene oxidation system；
Step B: by (4- ethoxybenzene) [fluoro- (the 3- phenoxy group benzene) propyl of 4-] dimethylsilane, the double fluorine (fluorine of trimethylsilyl
For sulfonyl) acetic acid esters, (N, N- dimethyl -3- aminopropyl) trimethoxy silane be dispersed in acetone soln；
Step C: graphene oxide is added in the acetone soln obtained in stepb and is uniformly mixed, it is small that reaction 12 is issued at 60 DEG C
When, obtain modified graphene.
4. a kind of polyphosphazene polymer according to claim 3 shares reaction kettle, it is characterised in that:
The step A is to be added in container in the excessive concentrated sulfuric acid, is controlled temperature at 4 DEG C by ice bath, 100 are added later
Purpose graphene, later in the NaNO that graphene half quality is added3, it is slowly added to the height of three times graphene quality later
Potassium manganate is added and completes, and stirs 90 minutes under condition of ice bath, changes ice bath into water-bath later, controls temperature at 35 DEG C, reacts
30 minutes, the deionized water of double concentrated sulfuric acid volume is added later, is heated to 80 DEG C, is slowly added to the dioxygen of 5% concentration later
Water washs in centrifuge after reaction solution is in gold, until drying and obtaining at 50 DEG C after BaCl2 is generated without white precipitate
Graphene oxide.
5. a kind of polyphosphazene polymer according to claim 1 shares reaction kettle, it is characterised in that:
The antibacterial agent is silver-carrying nano silica,
The silver-carrying nano silica includes subordinate's parts by weight composition:
Nano silica: 500 parts
Silane coupling agent: 10 parts
Silver compound: 20 parts
Complexing agent: 30 parts.
6. a kind of polyphosphazene polymer according to claim 5 shares reaction kettle, it is characterised in that:
The silane coupling agent be mass ratio be 1:1:2 3- trifluoroacetyl oxygroup propyl trimethoxy silicane, 3- diethylin
The mixture of bis- (trifluoromethayl sulfonic acid) esters of propyl trimethoxy silicane, di-t-butyl silicon substrate.
7. a kind of polyphosphazene polymer according to claim 6 shares reaction kettle, it is characterised in that:
The silver-carrying nano silica is prepared by following methods:
Nano silica is activated, nano silica is immersed in parachlorobenzoyl chloride, is stirred under the conditions of 20 ~ 30 DEG C anti-
It answers 10 ~ 15 hours, nano silica is activated；
Activation nano silica and silane coupling agent are dispersed in pyrrolidones, under nitrogen protection 90 DEG C of constant temperature reactions 6
Hour, reaction solution room temperature 12000r/min is centrifugally separating to obtain modified manometer silicon dioxide；
Modified manometer silicon dioxide is added into deionized water, by ammonium hydroxide adjusting pH value to 9 ~ 11, while silver compound is added
And complexing agent, it is stirred 2 ~ 8h, obtains silver-carrying nano silica；
The silver compound is silver nitrate；
The complexing agent is polyvinylpyrrolidone.
8. a kind of polyphosphazene polymer according to claim 7 shares reaction kettle, it is characterised in that:
The blender be mass ratio be 3:1:1 silylation-imino group Asia phosphono tetrafluoro, cis- 5- octen-1-ol, isopropyl
The mixture of Dipropyl sulfide.
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| CN106280150A (en) * | 2016-08-16 | 2017-01-04 | 浙江特塑龙化工设备有限公司 | A kind of pipeline of lining teflon |
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