CN109504006A - Modified super-hydrophobic composite film of a kind of self-cleaning nona and preparation method thereof - Google Patents

Modified super-hydrophobic composite film of a kind of self-cleaning nona and preparation method thereof Download PDF

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CN109504006A
CN109504006A CN201811393848.XA CN201811393848A CN109504006A CN 109504006 A CN109504006 A CN 109504006A CN 201811393848 A CN201811393848 A CN 201811393848A CN 109504006 A CN109504006 A CN 109504006A
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hydrophobic composite
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CN109504006B (en
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王尚宏
吴新年
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Hubei Coloured Concrete New Materials Co Ltd
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Hubei Coloured Concrete New Materials Co Ltd
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
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    • C08J2327/00Characterised by the use 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; Derivatives of such polymers
    • C08J2327/02Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18Homopolymers or copolymers of tetrafluoroethylene
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2483/00Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
    • C08J2483/04Polysiloxanes
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/36Silica
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Abstract

The present invention relates to a kind of modified super-hydrophobic composite films of self-cleaning nona, and preparing raw material includes: polytetrafluoroethylene (PTFE), polysiloxanes, polymer modification nanofiller, lubricant and solvent.The invention further relates to the preparation methods of the modified super-hydrophobic composite film of the self-cleaning nona.The modified super-hydrophobic composite film self-cleaning performance of self-cleaning nona of the invention is good, hydrophobicity is strong and intensity is high, good market prospect.

Description

Modified super-hydrophobic composite film of a kind of self-cleaning nona and preparation method thereof
Technical field
The present invention relates to hydrophobic technical field of membrane, in particular to a kind of self-cleaning nona is modified super-hydrophobic composite film and its system Preparation Method.
Background technique
Polytetrafluoroethylene film has the advantages that chemical stability is good and corrosion resistant, can be widely applied to different necks Domain, especially as the membrane material (super hydrophobic material) of strong-hydrophobicity.The surface of super-hydrophobic polytetrafluoroethylene film typically refer to The contact angle of water is greater than 150 ° of surface, when water droplet is contacted and rolled with super hydrophobic surface, it will takes away and is attached to admittedly The pollutant in body surface face, to have self-cleaning ability.
The preparation method of the wider super-hydrophobic polytetrafluoroethylene film of application is pulling method at present, and the film that this method obtains is dredged Aqueous energy is general, and intensity is low, it is difficult to large-scale use.
For this reason, it may be necessary to carry out process exploitation, it is formulated to improve and obtains that self-cleaning performance is good and that intensity is good is novel from clearly Clean nano modification super-hydrophobic composite film.
Summary of the invention
The invention discloses a kind of modified super-hydrophobic composite films of self-cleaning nona, and by weight, preparing raw material includes:
Polytetrafluoroethylene (PTFE) 100
Polysiloxanes 20-50
Polymer modification nanofiller 10-20
Lubricant 5-15
Solvent 60-80;
Preferably, preparing raw material includes:
Polytetrafluoroethylene (PTFE) 100
Polysiloxanes 30-40
Polymer modification nanofiller 15-20
Lubricant 10-15
70-80 parts of solvent;
It is highly preferred that it prepares raw material includes:
Polytetrafluoroethylene (PTFE) 100
Polysiloxanes 35
Polymer modification nanofiller 18
Lubricant 12
77 parts of solvent.
In one embodiment, the polysiloxanes the preparation method comprises the following steps:
By 10 grams of 3- aminopropyltriethoxy dimethoxysilanes, 30 grams of perfluoro capryl triethoxysilanes, 55 grams of 1,3,5,7- tetramethyls Basic ring tetrasiloxane, 5 grams of low sulfonation degree graphene oxides and 0.2 gram of tetramethylammonium hydroxide are added in reactor, lead to nitrogen Protection, stir and be warming up to 90 DEG C reaction 2 hours after, then be warming up to 120 DEG C reaction 1 hour after, obtain polysiloxanes.
In one embodiment, the sulfonation degree of the low sulfonation degree graphene oxide is 10%-30%.
In one embodiment, the polymer modification nanofiller the preparation method comprises the following steps:
(1) by 1 mol of 1,2- propylene glycol, 1 mol of terephthalic acid (TPA), 0.5 mol of trimethylolpropane and Mono-n-butyltin 0.01mol is added in reactor, argon gas protect and be warming up to 90 DEG C react 2 hours after, then be warming up to 270 DEG C and by vacuum degree tune Section is after the reaction was continued 6 hours, is cooled to room temperature, then N is added into reactor, N- dimethyl formyl after less than 0.02 megapascal It is small to then heat to 110 DEG C of reactions 10 by amine 1000ml, beta-cyclodextrin 0.2mol and silane coupling agent KH-560 0.05mol Reaction solution is poured into water by Shi Hou, after being washed with water obtained solid 3 times, the solid is sufficiently dry, and it is poly- to obtain cyclo-dextrin-modified Ester;
(2) at room temperature, 20 grams of above-mentioned cyclo-dextrin-modified polyester are dissolved in the DMF of 1000ml, 2 grams of nano oxygen is then added Change yttrium (300 nanometers of average grain diameter), 3 grams of nano silica (100 nanometers of average grain diameter), 5 grams of hydroxyapatite (averagely 1 micron of partial size) and 5 grams of silane resin acceptor kh-550, after maintenance is stirred at room temperature 2 hours, filter simultaneously that obtained solid is abundant It is dry, obtain polymer modification nanofiller.
In one embodiment, the lubricant is aviation kerosine.
In one embodiment, the solvent is selected from dimethyl sulfoxide, n,N-Dimethylformamide, N, N- dimethyl second At least one of amide, acetone, ethyl alcohol, isopropanol;The preferably mixture of n,N-Dimethylformamide and isopropanol;It is more excellent N,N-Dimethylformamide and isopropanol are selected as by weight the mixture of 1:3.
In a preferred embodiment, the modified super-hydrophobic composite film of the self-cleaning nona, by weight, system Standby raw material further include:
Seven fluorine bytyry imidazoles 1-10 of N-
1,7- dibromo-heptane 1-10.
The present invention also provides the preparation methods of the modified super-hydrophobic composite film of self-cleaning nona, comprising the following steps:
(1) above-mentioned raw materials are stirred and is sufficiently mixed in blender, to form mixed material, then the mixed material is in room temperature Lower standing cures 5 hours;
(2) at 60 DEG C, said mixture material is rolled into base band with calender;
(3) it at 150 DEG C, with spoke machine is expanded by after 2 times of above-mentioned base band elder generation longitudinal stretching, then 2 times of cross directional stretch, is sintered in 330 DEG C Thermal finalization, sintering time are 2 hours, obtain the modified super-hydrophobic composite film of the self-cleaning nona.
Preferably, the stirring rate in the step (1) is 500-5000 revs/min.
The advantageous effects of invention are as follows:
1, by polymer overmold filler, obtain better dispersion effect, and improve the degree of cross linking with obtain better adhesion strength with And hydrophobic effect;
2, by the cooperation of different-grain diameter filler, better microstructure is obtained, to improve hydrophobicity;
3, the intensity of system can be improved in the addition of low sulfonation degree graphene oxide;
4, better system dispersibility can be obtained by the adjustment of solvent and improves hydrophobic effect;
5, seven fluorine bytyry imidazoles of N- and 1, the degree of cross linking of film can be improved in 7- dibromo-heptane, to improve intensity.
Specific embodiment
Raw material:
Sulfoxidation graphene the preparation method comprises the following steps:
By weight, 1 part of graphene oxide, 10 parts of chloroethyl sodium sulfonate, 6 parts of potassium hydroxide and 300 parts of deionized water are added Enter in reactor, after 3 parts of concentrated nitric acid is then added and is warming up to 50 DEG C of reactions 1-5 hours, reaction solution is poured into ice water, ice is used After water washing obtained solid 3 times, by the sulfoxidation graphene of sufficiently dry the different sulfonation degrees of the solid;
Specifically, the reaction time is 1 hour, obtains the graphene oxide that sulfonation degree is about 10% and obtains when the reaction time is 5 hours Obtain the graphene oxide that sulfonation degree is about 30%.
Other raw materials are commercially available.
Embodiment 1
(1) by 100 grams of polytetrafluoroethylene (PTFE), 20 grams of polysiloxanes, 10 grams of polymer modification nanofiller, 5 grams of aviation kerosine, solvent 60 grams (mixture of n,N-Dimethylformamide and isopropanol by weight 1:3) are stirred and are sufficiently mixed in blender, with Mixed material is formed, then the mixed material stands curing 5 hours at normal temperature;
(2) at 60 DEG C, said mixture material is rolled into base band with calender;
(3) it at 150 DEG C, with spoke machine is expanded by after 2 times of above-mentioned base band elder generation longitudinal stretching, then 2 times of cross directional stretch, is sintered in 330 DEG C Thermal finalization, sintering time are 2 hours, obtain the modified super-hydrophobic composite film of the self-cleaning nona;
Wherein, the polysiloxanes the preparation method comprises the following steps:
By 10 grams of 3- aminopropyltriethoxy dimethoxysilanes, 30 grams of perfluoro capryl triethoxysilanes, 55 grams of 1,3,5,7- tetramethyls Reaction is added in basic ring tetrasiloxane, 5 grams of low sulfonation degree graphene oxides (sulfonation degree 10%) and 0.2 gram of tetramethylammonium hydroxide In device, lead to nitrogen protection, stir and be warming up to 90 DEG C reaction 2 hours after, then be warming up to 120 DEG C reaction 1 hour after, obtain poly- silicon Oxygen alkane;
The polymer modification nanofiller the preparation method comprises the following steps:
(1) by 1 mol of 1,2- propylene glycol, 1 mol of terephthalic acid (TPA), 0.5 mol of trimethylolpropane and Mono-n-butyltin 0.01mol is added in reactor, argon gas protect and be warming up to 90 DEG C react 2 hours after, then be warming up to 270 DEG C and by vacuum degree tune Section is after the reaction was continued 6 hours, is cooled to room temperature, then N is added into reactor, N- dimethyl formyl after less than 0.02 megapascal It is small to then heat to 110 DEG C of reactions 10 by amine 1000ml, beta-cyclodextrin 0.2mol and silane coupling agent KH-560 0.05mol Reaction solution is poured into water by Shi Hou, after being washed with water obtained solid 3 times, the solid is sufficiently dry, and it is poly- to obtain cyclo-dextrin-modified Ester;
(2) at room temperature, 20 grams of above-mentioned cyclo-dextrin-modified polyester are dissolved in the DMF of 1000ml, 2 grams of nano oxygen is then added Change yttrium (300 nanometers of average grain diameter), 3 grams of nano silica (100 nanometers of average grain diameter), 5 grams of hydroxyapatite (averagely 1 micron of partial size) and 5 grams of silane resin acceptor kh-550, after maintenance is stirred at room temperature 2 hours, filter simultaneously that obtained solid is abundant It is dry, obtain polymer modification nanofiller.
Embodiment 2
(1) by 100 grams of polytetrafluoroethylene (PTFE), 30 grams of polysiloxanes, 15 grams of polymer modification nanofiller, 10 grams of aviation kerosine, molten 70 grams of agent (mixture of n,N-Dimethylformamide and isopropanol by weight 1:3) is stirred and is sufficiently mixed in blender, To form mixed material, then the mixed material stands curing 5 hours at normal temperature;
(2) at 60 DEG C, said mixture material is rolled into base band with calender;
(3) it at 150 DEG C, with spoke machine is expanded by after 2 times of above-mentioned base band elder generation longitudinal stretching, then 2 times of cross directional stretch, is sintered in 330 DEG C Thermal finalization, sintering time are 2 hours, obtain the modified super-hydrophobic composite film of the self-cleaning nona;
Wherein, the polysiloxanes the preparation method comprises the following steps:
By 10 grams of 3- aminopropyltriethoxy dimethoxysilanes, 30 grams of perfluoro capryl triethoxysilanes, 55 grams of 1,3,5,7- tetramethyls Reaction is added in basic ring tetrasiloxane, 5 grams of low sulfonation degree graphene oxides (sulfonation degree 10%) and 0.2 gram of tetramethylammonium hydroxide In device, lead to nitrogen protection, stir and be warming up to 90 DEG C reaction 2 hours after, then be warming up to 120 DEG C reaction 1 hour after, obtain poly- silicon Oxygen alkane;
The polymer modification nanofiller the preparation method comprises the following steps:
(1) by 1 mol of 1,2- propylene glycol, 1 mol of terephthalic acid (TPA), 0.5 mol of trimethylolpropane and Mono-n-butyltin 0.01mol is added in reactor, argon gas protect and be warming up to 90 DEG C react 2 hours after, then be warming up to 270 DEG C and by vacuum degree tune Section is after the reaction was continued 6 hours, is cooled to room temperature, then N is added into reactor, N- dimethyl formyl after less than 0.02 megapascal It is small to then heat to 110 DEG C of reactions 10 by amine 1000ml, beta-cyclodextrin 0.2mol and silane coupling agent KH-560 0.05mol Reaction solution is poured into water by Shi Hou, after being washed with water obtained solid 3 times, the solid is sufficiently dry, and it is poly- to obtain cyclo-dextrin-modified Ester;
(2) at room temperature, 20 grams of above-mentioned cyclo-dextrin-modified polyester are dissolved in the DMF of 1000ml, 2 grams of nano oxygen is then added Change yttrium (300 nanometers of average grain diameter), 3 grams of nano silica (100 nanometers of average grain diameter), 5 grams of hydroxyapatite (averagely 1 micron of partial size) and 5 grams of silane resin acceptor kh-550, after maintenance is stirred at room temperature 2 hours, filter simultaneously that obtained solid is abundant It is dry, obtain polymer modification nanofiller.
Embodiment 3
(1) by 100 grams of polytetrafluoroethylene (PTFE), 35 grams of polysiloxanes, 18 grams of polymer modification nanofiller, 12 grams of aviation kerosine, molten 77 grams of agent (mixture of n,N-Dimethylformamide and isopropanol by weight 1:3) is stirred and is sufficiently mixed in blender, To form mixed material, then the mixed material stands curing 5 hours at normal temperature;
(2) at 60 DEG C, said mixture material is rolled into base band with calender;
(3) it at 150 DEG C, with spoke machine is expanded by after 2 times of above-mentioned base band elder generation longitudinal stretching, then 2 times of cross directional stretch, is sintered in 330 DEG C Thermal finalization, sintering time are 2 hours, obtain the modified super-hydrophobic composite film of the self-cleaning nona;
Wherein, the polysiloxanes the preparation method comprises the following steps:
By 10 grams of 3- aminopropyltriethoxy dimethoxysilanes, 30 grams of perfluoro capryl triethoxysilanes, 55 grams of 1,3,5,7- tetramethyls Reaction is added in basic ring tetrasiloxane, 5 grams of low sulfonation degree graphene oxides (sulfonation degree 10%) and 0.2 gram of tetramethylammonium hydroxide In device, lead to nitrogen protection, stir and be warming up to 90 DEG C reaction 2 hours after, then be warming up to 120 DEG C reaction 1 hour after, obtain poly- silicon Oxygen alkane;
The polymer modification nanofiller the preparation method comprises the following steps:
(1) by 1 mol of 1,2- propylene glycol, 1 mol of terephthalic acid (TPA), 0.5 mol of trimethylolpropane and Mono-n-butyltin 0.01mol is added in reactor, argon gas protect and be warming up to 90 DEG C react 2 hours after, then be warming up to 270 DEG C and by vacuum degree tune Section is after the reaction was continued 6 hours, is cooled to room temperature, then N is added into reactor, N- dimethyl formyl after less than 0.02 megapascal It is small to then heat to 110 DEG C of reactions 10 by amine 1000ml, beta-cyclodextrin 0.2mol and silane coupling agent KH-560 0.05mol Reaction solution is poured into water by Shi Hou, after being washed with water obtained solid 3 times, the solid is sufficiently dry, and it is poly- to obtain cyclo-dextrin-modified Ester;
(2) at room temperature, 20 grams of above-mentioned cyclo-dextrin-modified polyester are dissolved in the DMF of 1000ml, 2 grams of nano oxygen is then added Change yttrium (300 nanometers of average grain diameter), 3 grams of nano silica (100 nanometers of average grain diameter), 5 grams of hydroxyapatite (averagely 1 micron of partial size) and 5 grams of silane resin acceptor kh-550, after maintenance is stirred at room temperature 2 hours, filter simultaneously that obtained solid is abundant It is dry, obtain polymer modification nanofiller.
Embodiment 4
(1) by 100 grams of polytetrafluoroethylene (PTFE), 35 grams of polysiloxanes, 18 grams of polymer modification nanofiller, 12 grams of aviation kerosine, molten 77 grams of agent (mixture of n,N-Dimethylformamide and isopropanol by weight 1:3), seven 5 grams of fluorine bytyry imidazoles of N-, 1,7- 5 grams of dibromo-heptane are stirred and are sufficiently mixed in blender, then that the mixed material is quiet at normal temperature to form mixed material Set curing 5 hours;
(2) at 60 DEG C, said mixture material is rolled into base band with calender;
(3) it at 150 DEG C, with spoke machine is expanded by after 2 times of above-mentioned base band elder generation longitudinal stretching, then 2 times of cross directional stretch, is sintered in 330 DEG C Thermal finalization, sintering time are 2 hours, obtain the modified super-hydrophobic composite film of the self-cleaning nona;
Wherein, the polysiloxanes the preparation method comprises the following steps:
By 10 grams of 3- aminopropyltriethoxy dimethoxysilanes, 30 grams of perfluoro capryl triethoxysilanes, 55 grams of 1,3,5,7- tetramethyls Reaction is added in basic ring tetrasiloxane, 5 grams of low sulfonation degree graphene oxides (sulfonation degree 10%) and 0.2 gram of tetramethylammonium hydroxide In device, lead to nitrogen protection, stir and be warming up to 90 DEG C reaction 2 hours after, then be warming up to 120 DEG C reaction 1 hour after, obtain poly- silicon Oxygen alkane;
The polymer modification nanofiller the preparation method comprises the following steps:
(1) by 1 mol of 1,2- propylene glycol, 1 mol of terephthalic acid (TPA), 0.5 mol of trimethylolpropane and Mono-n-butyltin 0.01mol is added in reactor, argon gas protect and be warming up to 90 DEG C react 2 hours after, then be warming up to 270 DEG C and by vacuum degree tune Section is after the reaction was continued 6 hours, is cooled to room temperature, then N is added into reactor, N- dimethyl formyl after less than 0.02 megapascal It is small to then heat to 110 DEG C of reactions 10 by amine 1000ml, beta-cyclodextrin 0.2mol and silane coupling agent KH-560 0.05mol Reaction solution is poured into water by Shi Hou, after being washed with water obtained solid 3 times, the solid is sufficiently dry, and it is poly- to obtain cyclo-dextrin-modified Ester;
(2) at room temperature, 20 grams of above-mentioned cyclo-dextrin-modified polyester are dissolved in the DMF of 1000ml, 2 grams of nano oxygen is then added Change yttrium (300 nanometers of average grain diameter), 3 grams of nano silica (100 nanometers of average grain diameter), 5 grams of hydroxyapatite (averagely 1 micron of partial size) and 5 grams of silane resin acceptor kh-550, after maintenance is stirred at room temperature 2 hours, filter simultaneously that obtained solid is abundant It is dry, obtain polymer modification nanofiller.
Comparative example 1
(1) by 100 grams of polytetrafluoroethylene (PTFE), 35 grams of polysiloxanes, 18 grams of polymer modification nanofiller, 12 grams of aviation kerosine, molten 77 grams of agent (mixture of n,N-Dimethylformamide and isopropanol by weight 1:3), seven 5 grams of fluorine bytyry imidazoles of N-, 1,7- 5 grams of dibromo-heptane are stirred and are sufficiently mixed in blender, and to form mixed material, then the mixed material is stood at normal temperature Curing 5 hours;
(2) at 60 DEG C, said mixture material is rolled into base band with calender;
(3) it at 150 DEG C, with spoke machine is expanded by after 2 times of above-mentioned base band elder generation longitudinal stretching, then 2 times of cross directional stretch, is sintered in 330 DEG C Thermal finalization, sintering time are 2 hours, obtain the modified super-hydrophobic composite film of the self-cleaning nona;
Wherein, the polysiloxanes the preparation method comprises the following steps:
By 10 grams of 3- aminopropyltriethoxy dimethoxysilanes, 30 grams of perfluoro capryl triethoxysilanes, 55 grams of 1,3,5,7- tetramethyls Reaction is added in basic ring tetrasiloxane, 5 grams of low sulfonation degree graphene oxides (sulfonation degree 30%) and 0.2 gram of tetramethylammonium hydroxide In device, lead to nitrogen protection, stir and be warming up to 90 DEG C reaction 2 hours after, then be warming up to 120 DEG C reaction 1 hour after, obtain poly- silicon Oxygen alkane;
The polymer modification nanofiller the preparation method comprises the following steps:
(1) by 1 mol of 1,2- propylene glycol, 1 mol of terephthalic acid (TPA), 0.5 mol of trimethylolpropane and Mono-n-butyltin 0.01mol is added in reactor, argon gas protect and be warming up to 90 DEG C react 2 hours after, then be warming up to 270 DEG C and by vacuum degree tune Section is after the reaction was continued 6 hours, is cooled to room temperature, then N is added into reactor, N- dimethyl formyl after less than 0.02 megapascal It is small to then heat to 110 DEG C of reactions 10 by amine 1000ml, beta-cyclodextrin 0.2mol and silane coupling agent KH-560 0.05mol Reaction solution is poured into water by Shi Hou, after being washed with water obtained solid 3 times, the solid is sufficiently dry, and it is poly- to obtain cyclo-dextrin-modified Ester;
(2) at room temperature, 20 grams of above-mentioned cyclo-dextrin-modified polyester are dissolved in the DMF of 1000ml, 2 grams of nano oxygen is then added Change yttrium (300 nanometers of average grain diameter), 3 grams of nano silica (100 nanometers of average grain diameter), 5 grams of hydroxyapatite (averagely 1 micron of partial size) and 5 grams of silane resin acceptor kh-550, after maintenance is stirred at room temperature 2 hours, filter simultaneously that obtained solid is abundant It is dry, obtain polymer modification nanofiller.
Comparative example 2
(1) by 100 grams of polytetrafluoroethylene (PTFE), 35 grams of polysiloxanes, 18 grams of polymer modification nanofiller, 12 grams of aviation kerosine, molten 77 grams of agent (mixture of n,N-Dimethylformamide and ethyl alcohol by weight 1:3), seven 5 grams of fluorine bytyry imidazoles of N-, 1,7- bis- 5 grams of heptyl bromide are stirred and are sufficiently mixed in blender, and to form mixed material, then the mixed material is stood ripe at normal temperature Change 5 hours;
(2) at 60 DEG C, said mixture material is rolled into base band with calender;
(3) it at 150 DEG C, with spoke machine is expanded by after 2 times of above-mentioned base band elder generation longitudinal stretching, then 2 times of cross directional stretch, is sintered in 330 DEG C Thermal finalization, sintering time are 2 hours, obtain the modified super-hydrophobic composite film of the self-cleaning nona;
Wherein, the polysiloxanes the preparation method comprises the following steps:
By 10 grams of 3- aminopropyltriethoxy dimethoxysilanes, 30 grams of perfluoro capryl triethoxysilanes, 55 grams of 1,3,5,7- tetramethyls Reaction is added in basic ring tetrasiloxane, 5 grams of low sulfonation degree graphene oxides (sulfonation degree 10%) and 0.2 gram of tetramethylammonium hydroxide In device, lead to nitrogen protection, stir and be warming up to 90 DEG C reaction 2 hours after, then be warming up to 120 DEG C reaction 1 hour after, obtain poly- silicon Oxygen alkane;
The polymer modification nanofiller the preparation method comprises the following steps:
(1) by 1 mol of 1,2- propylene glycol, 1 mol of terephthalic acid (TPA), 0.5 mol of trimethylolpropane and Mono-n-butyltin 0.01mol is added in reactor, argon gas protect and be warming up to 90 DEG C react 2 hours after, then be warming up to 270 DEG C and by vacuum degree tune Section is after the reaction was continued 6 hours, is cooled to room temperature, then N is added into reactor, N- dimethyl formyl after less than 0.02 megapascal It is small to then heat to 110 DEG C of reactions 10 by amine 1000ml, beta-cyclodextrin 0.2mol and silane coupling agent KH-560 0.05mol Reaction solution is poured into water by Shi Hou, after being washed with water obtained solid 3 times, the solid is sufficiently dry, and it is poly- to obtain cyclo-dextrin-modified Ester;
(2) at room temperature, 20 grams of above-mentioned cyclo-dextrin-modified polyester are dissolved in the DMF of 1000ml, 2 grams of nano oxygen is then added Change yttrium (300 nanometers of average grain diameter), 3 grams of nano silica (100 nanometers of average grain diameter), 5 grams of hydroxyapatite (averagely 1 micron of partial size) and 5 grams of silane resin acceptor kh-550, after maintenance is stirred at room temperature 2 hours, filter simultaneously that obtained solid is abundant It is dry, obtain polymer modification nanofiller.
Comparative example 3
(1) by 100 grams of polytetrafluoroethylene (PTFE), 35 grams of polysiloxanes, 18 grams of polymer modification nanofiller, 12 grams of aviation kerosine, molten 77 grams of agent (mixture of n,N-Dimethylformamide and isopropanol by weight 1:3), seven 5 grams of fluorine bytyry imidazoles of N-, 1,7- 5 grams of dibromo-heptane are stirred and are sufficiently mixed in blender, and to form mixed material, then the mixed material is stood at normal temperature Curing 5 hours;
(2) at 60 DEG C, said mixture material is rolled into base band with calender;
(3) it at 150 DEG C, with spoke machine is expanded by after 2 times of above-mentioned base band elder generation longitudinal stretching, then 2 times of cross directional stretch, is sintered in 330 DEG C Thermal finalization, sintering time are 2 hours, obtain the modified super-hydrophobic composite film of the self-cleaning nona;
Wherein, the polysiloxanes the preparation method comprises the following steps:
By 10 grams of 3- aminopropyltriethoxy dimethoxysilanes, 85 grams of 1,3,5,7- tetramethyl-ring tetrasiloxanes, 5 grams of low sulfonation degree oxygen Graphite alkene (sulfonation degree 10%) and 0.2 gram of tetramethylammonium hydroxide are added in reactor, lead to nitrogen protection, stir and heat up To 90 DEG C react 2 hours after, then be warming up to 120 DEG C reaction 1 hour after, obtain polysiloxanes;
The polymer modification nanofiller the preparation method comprises the following steps:
(1) by 1 mol of 1,2- propylene glycol, 1 mol of terephthalic acid (TPA), 0.5 mol of trimethylolpropane and Mono-n-butyltin 0.01mol is added in reactor, argon gas protect and be warming up to 90 DEG C react 2 hours after, then be warming up to 270 DEG C and by vacuum degree tune Section is after the reaction was continued 6 hours, is cooled to room temperature, then N is added into reactor, N- dimethyl formyl after less than 0.02 megapascal It is small to then heat to 110 DEG C of reactions 10 by amine 1000ml, beta-cyclodextrin 0.2mol and silane coupling agent KH-560 0.05mol Reaction solution is poured into water by Shi Hou, after being washed with water obtained solid 3 times, the solid is sufficiently dry, and it is poly- to obtain cyclo-dextrin-modified Ester;
(2) at room temperature, 20 grams of above-mentioned cyclo-dextrin-modified polyester are dissolved in the DMF of 1000ml, 2 grams of nano oxygen is then added Change yttrium (300 nanometers of average grain diameter), 3 grams of nano silica (100 nanometers of average grain diameter), 5 grams of hydroxyapatite (averagely 1 micron of partial size) and 5 grams of silane resin acceptor kh-550, after maintenance is stirred at room temperature 2 hours, filter simultaneously that obtained solid is abundant It is dry, obtain polymer modification nanofiller.
Comparative example 4
(1) by 100 grams of polytetrafluoroethylene (PTFE), 35 grams of polysiloxanes, 18 grams of polymer modification nanofiller, 12 grams of aviation kerosine, molten 77 grams of agent (mixture of n,N-Dimethylformamide and isopropanol by weight 1:3), seven 5 grams of fluorine bytyry imidazoles of N-, 1,7- 5 grams of dibromo-heptane are stirred and are sufficiently mixed in blender, and to form mixed material, then the mixed material is stood at normal temperature Curing 5 hours;
(2) at 60 DEG C, said mixture material is rolled into base band with calender;
(3) it at 150 DEG C, with spoke machine is expanded by after 2 times of above-mentioned base band elder generation longitudinal stretching, then 2 times of cross directional stretch, is sintered in 330 DEG C Thermal finalization, sintering time are 2 hours, obtain the modified super-hydrophobic composite film of the self-cleaning nona;
Wherein, the polysiloxanes the preparation method comprises the following steps:
By 10 grams of 3- aminopropyltriethoxy dimethoxysilanes, 30 grams of perfluoro capryl triethoxysilanes, 55 grams of 1,3,5,7- tetramethyls Reaction is added in basic ring tetrasiloxane, 5 grams of low sulfonation degree graphene oxides (sulfonation degree 10%) and 0.2 gram of tetramethylammonium hydroxide In device, lead to nitrogen protection, stir and be warming up to 90 DEG C reaction 2 hours after, then be warming up to 120 DEG C reaction 1 hour after, obtain poly- silicon Oxygen alkane;
The polymer modification nanofiller the preparation method comprises the following steps:
(1) by 1 mol of 1,2- propylene glycol, 1 mol of terephthalic acid (TPA), 0.5 mol of trimethylolpropane and Mono-n-butyltin 0.01mol is added in reactor, argon gas protect and be warming up to 90 DEG C react 2 hours after, then be warming up to 270 DEG C and by vacuum degree tune Section is after the reaction was continued 6 hours, is cooled to room temperature, then N is added into reactor, N- dimethyl formyl after less than 0.02 megapascal It is small to then heat to 110 DEG C of reactions 10 by amine 1000ml, beta-cyclodextrin 0.2mol and silane coupling agent KH-560 0.05mol Reaction solution is poured into water by Shi Hou, after being washed with water obtained solid 3 times, the solid is sufficiently dry, and it is poly- to obtain cyclo-dextrin-modified Ester;
(2) at room temperature, 20 grams of above-mentioned cyclo-dextrin-modified polyester are dissolved in the DMF of 1000ml, 5 grams of nano oxygen is then added Change yttrium (300 nanometers of average grain diameter), 5 grams of hydroxyapatite (1 micron of average grain diameter) and 5 grams of silane coupling agent KH- 550, after maintenance is stirred at room temperature 2 hours, filters and obtained solid is sufficiently dry, obtain polymer modification nanofiller.
The performance for testing composite membrane obtained by above-described embodiment and comparative example, as a result see the table below 1.
Table 1
Example Water contact angle ° Intensity
Embodiment 1 153 50Mpa
Embodiment 2 155 47Mpa
Embodiment 3 160 48Mpa
Embodiment 4 159 55Mpa
Comparative example 1 127 45Mpa
Comparative example 2 125 39Mpa
Comparative example 3 135 42Mpa
Comparative example 4 138 44Mpa
Pure PTFE film 120 41Mpa

Claims (10)

1. a kind of modified super-hydrophobic composite film of self-cleaning nona, which is characterized in that by weight, preparing raw material includes:
Polytetrafluoroethylene (PTFE) 100
Polysiloxanes 20-50
Polymer modification nanofiller 10-20
Lubricant 5-15
Solvent 60-80.
2. the modified super-hydrophobic composite film of self-cleaning nona according to claim 1, which is characterized in that by weight, Preparing raw material includes:
Polytetrafluoroethylene (PTFE) 100
Polysiloxanes 30-40
Polymer modification nanofiller 15-20
Lubricant 10-15
70-80 parts of solvent.
3. the modified super-hydrophobic composite film of self-cleaning nona according to claim 2, which is characterized in that by weight, Preparing raw material includes:
Polytetrafluoroethylene (PTFE) 100
Polysiloxanes 35
Polymer modification nanofiller 18
Lubricant 12
77 parts of solvent.
4. the modified super-hydrophobic composite film of self-cleaning nona according to claim 1, which is characterized in that the polysiloxanes The preparation method comprises the following steps:
By 10 grams of 3- aminopropyltriethoxy dimethoxysilanes, 30 grams of perfluoro capryl triethoxysilanes, 55 grams of 1,3,5,7- tetramethyls Basic ring tetrasiloxane, 5 grams of low sulfonation degree graphene oxides and 0.2 gram of tetramethylammonium hydroxide are added in reactor, lead to nitrogen Protection, stir and be warming up to 90 DEG C reaction 2 hours after, then be warming up to 120 DEG C reaction 1 hour after, obtain polysiloxanes.
5. the modified super-hydrophobic composite film of self-cleaning nona according to claim 1, which is characterized in that the polymer modification Nanofiller the preparation method comprises the following steps:
(1) by 1 mol of 1,2- propylene glycol, 1 mol of terephthalic acid (TPA), 0.5 mol of trimethylolpropane and Mono-n-butyltin 0.01mol is added in reactor, argon gas protect and be warming up to 90 DEG C react 2 hours after, then be warming up to 270 DEG C and by vacuum degree tune Section is after the reaction was continued 6 hours, is cooled to room temperature, then N is added into reactor, N- dimethyl formyl after less than 0.02 megapascal It is small to then heat to 110 DEG C of reactions 10 by amine 1000ml, beta-cyclodextrin 0.2mol and silane coupling agent KH-560 0.05mol Reaction solution is poured into water by Shi Hou, after being washed with water obtained solid 3 times, the solid is sufficiently dry, and it is poly- to obtain cyclo-dextrin-modified Ester;
(2) at room temperature, 20 grams of above-mentioned cyclo-dextrin-modified polyester are dissolved in the DMF of 1000ml, 2 grams of nano oxygen is then added Change yttrium (300 nanometers of average grain diameter), 3 grams of nano silica (100 nanometers of average grain diameter), 5 grams of hydroxyapatite (averagely 1 micron of partial size) and 5 grams of silane resin acceptor kh-550, after maintenance is stirred at room temperature 2 hours, filter simultaneously that obtained solid is abundant It is dry, obtain polymer modification nanofiller.
6. the modified super-hydrophobic composite film of self-cleaning nona according to claim 1, which is characterized in that the lubricant is boat Empty kerosene.
7. the modified super-hydrophobic composite film of self-cleaning nona according to claim 1, which is characterized in that the solvent is selected from two At least one of methyl sulfoxide, n,N-Dimethylformamide, n,N-dimethylacetamide, acetone, ethyl alcohol, isopropanol;It is preferred that For the mixture of n,N-Dimethylformamide and isopropanol;More preferably n,N-Dimethylformamide and isopropanol are by weight 1: 3 mixture.
8. the modified super-hydrophobic composite film of self-cleaning nona according to claim 1, which is characterized in that by weight, Prepare raw material further include:
Seven fluorine bytyry imidazoles 1-10 of N-
1,7- dibromo-heptane 1-10.
9. the preparation method of the modified super-hydrophobic composite film of self-cleaning nona, which comprises the following steps:
(1) raw material of any one of claim 1-8 is stirred and is sufficiently mixed in blender, to form mixed material, so The mixed material stands curing 5 hours at normal temperature afterwards;
(2) at 60 DEG C, said mixture material is rolled into base band with calender;
(3) it at 150 DEG C, with spoke machine is expanded by after 2 times of above-mentioned base band elder generation longitudinal stretching, then 2 times of cross directional stretch, is sintered in 330 DEG C Thermal finalization, sintering time are 2 hours, obtain the modified super-hydrophobic composite film of the self-cleaning nona.
10. according to the method described in claim 9, it is characterized in that, the stirring rate in the step (1) is 500-5000 Rev/min.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110424000A (en) * 2019-07-02 2019-11-08 重庆大学 One kind having the preparation method on the dropwise condensation surface of " intelligence " self-powered characteristic
CN111117122A (en) * 2019-12-30 2020-05-08 安徽元琛环保科技股份有限公司 Preparation method of hydrophobic and oleophobic PTFE (Polytetrafluoroethylene) membrane, prepared PTFE membrane and application
CN115160877A (en) * 2022-08-11 2022-10-11 君子兰涂料(天津)有限公司 UV (ultraviolet) film-coated finish paint and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990008218A1 (en) * 1989-01-17 1990-07-26 W.L. Gore & Associates, Inc. Waterproof water vapor permeable deodorizing membrane and clothing
CN103756460A (en) * 2014-01-19 2014-04-30 深圳市九合伟业科技有限公司 Nanoscale waterproof film and preparation method thereof
CN104437126A (en) * 2013-09-23 2015-03-25 上海碧科清洁能源技术有限公司 Preparation method of super-hydrophobic polytetrafluoroethylene microporous membrane, membrane prepared by preparation method and application of super-hydrophobic polytetrafluoroethylene microporous membrane
CN107626211A (en) * 2017-09-29 2018-01-26 华南理工大学 A kind of film for possessing self-cleaning performance and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990008218A1 (en) * 1989-01-17 1990-07-26 W.L. Gore & Associates, Inc. Waterproof water vapor permeable deodorizing membrane and clothing
CN104437126A (en) * 2013-09-23 2015-03-25 上海碧科清洁能源技术有限公司 Preparation method of super-hydrophobic polytetrafluoroethylene microporous membrane, membrane prepared by preparation method and application of super-hydrophobic polytetrafluoroethylene microporous membrane
CN103756460A (en) * 2014-01-19 2014-04-30 深圳市九合伟业科技有限公司 Nanoscale waterproof film and preparation method thereof
CN107626211A (en) * 2017-09-29 2018-01-26 华南理工大学 A kind of film for possessing self-cleaning performance and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110424000A (en) * 2019-07-02 2019-11-08 重庆大学 One kind having the preparation method on the dropwise condensation surface of " intelligence " self-powered characteristic
CN111117122A (en) * 2019-12-30 2020-05-08 安徽元琛环保科技股份有限公司 Preparation method of hydrophobic and oleophobic PTFE (Polytetrafluoroethylene) membrane, prepared PTFE membrane and application
CN111117122B (en) * 2019-12-30 2022-04-08 安徽元琛环保科技股份有限公司 Preparation method of hydrophobic and oleophobic PTFE (Polytetrafluoroethylene) membrane, prepared PTFE membrane and application
CN115160877A (en) * 2022-08-11 2022-10-11 君子兰涂料(天津)有限公司 UV (ultraviolet) film-coated finish paint and preparation method thereof
CN115160877B (en) * 2022-08-11 2023-04-07 君子兰涂料(天津)有限公司 UV (ultraviolet) film-coated finish paint and preparation method thereof

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