CN106243390B - A kind of high-intensitive load silver/titanium dioxide compound glass is fine and its ties up preparation method - Google Patents

A kind of high-intensitive load silver/titanium dioxide compound glass is fine and its ties up preparation method Download PDF

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CN106243390B
CN106243390B CN201610612844.0A CN201610612844A CN106243390B CN 106243390 B CN106243390 B CN 106243390B CN 201610612844 A CN201610612844 A CN 201610612844A CN 106243390 B CN106243390 B CN 106243390B
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黎淑娟
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Shuozhou Runyu Industry and Trade Co.,Ltd.
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
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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
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
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    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
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    • C08K2003/2241Titanium dioxide
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Abstract

The invention discloses a kind of load silver/titanium dioxide compound glass fibre and its dimension preparation methods, and the preparation method comprises the following steps: (1) preparing glass fibre;(2) glass fibre pre-processes;(3) glass fibre of preparation load silver;(4) porous graphene is coated;(5) glass fibre of preparation load silver/titanium dioxide.The mechanical property of the composite glass fiber is more excellent, can increase substantially the intensity and toughness of material, since the antibacterial characteristics of silver and titanium dioxide make composite material possess excellent anti-microbial property.In addition, method and process of the invention is simple, low in cost, practicability is good.

Description

A kind of high-intensitive load silver/titanium dioxide compound glass is fine and its ties up preparation method
Technical field
The present invention relates to technical field of composite materials, multiple more particularly to a kind of high-intensitive load silver/titanium dioxide Close glass fibers and its dimension preparation method.
Background technique
Glass fibre (English original name are as follows: glass fiber or fiberglass) is a kind of inorganic non-gold haveing excellent performance Belong to material, many kinds of, advantage is good insulating, heat resistance is strong, corrosion resistance is good, high mechanical strength, but the disadvantage is that property is crisp, resistance to Mill property is poor.It is usually to manufacture using glass marble or post-consumer glass as raw material through techniques such as high temperature melting, wire drawing, doff, woven fabrics At, the diameter of monofilament is several microns to twenties meters microns, is equivalent to the 1/20 ~ 1/5 of a hairline, every beam is fine Dimension precursor is all made of hundreds of even thousands of monofilament.
Allotrope of the graphene as carbon, which is carbon atom, has honeycomb structure by what sp2 orbital hybridization was formed Single layer two dimensional crystal material, good mechanical performance, chemical stability that graphene has etc. also will be in fields such as composite materials It has broad application prospects.
Although graphene is coated on fiberglass surfacing with the physical property of reinforcing glass fiber currently, having, Improvement be not it is highly desirable, need to be further enhanced.Moreover, being had been reported now by being added in fiberglass surfacing Nano silver can be applied to filter paper and resin etc. and make it have antibacterial characteristics to assign glass fibre with anti-microbial property;But It is that nano silver is in granular form, can only be often gathered in the privileged site of glass fibre, surface can not be evenly distributed on, to influences Antibacterial effect;On the other hand, nano silver and glass fibre can not combine closely (especially when nano-Ag particles content increases When, it is easy to happen agglomeration), it is easy to fall off in use, to influence service life and antibacterial effect.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of high intensity and high tenacity with durable antibiotic performance Load silver/titanium dioxide composite glass fiber.The present invention also provides a kind of load silver/titanium dioxide compound glass is fine Tie up preparation method.
The technical problems to be solved by the invention are achieved by the following technical programs:
A kind of preparation method of high-intensitive load silver/titanium dioxide composite glass fiber, comprising the following steps:
(1) glass fibre is prepared: by 50 ~ 55% SiO2,10 ~ 15%B2O3,5 ~ 10%Na2O, 10 ~ 15%Al2O3,15 ~ 20% After CaO and 0.1 ~ 0.5% multi-walled carbon nanotube (OD 8nm) crushing, stirring mix, it is placed in the corundum crucible of 400mL, with silicon molybdenum Stick resistance furnace is melted, and charge temperature is 1370 DEG C, and melting clarifying temp is 1450 ± 10 DEG C, comes out of the stove in 1200 DEG C, moulding by casting, It is sent into Muffle furnace, anneals in 500 DEG C, glass is made;Glass obtained is heated to 1050 DEG C of temperature of wire drawing viscosity, is drawn At about 10 μm of diameter or so of glass fibre;
(2) glass fibre pre-processes: after taking 5 ~ 50 parts of glass fibre split-phases, in the HCl solution that 100ml concentration is 1mol/L Middle progress acidleach processing, acidleach processing is carried out under the conditions of 95 DEG C of constant temperature, and the Na2O-B2O3 separated in glass fibre is made to mix The solution NH4Cl solution that addition 5ml concentration is 40% in acid, acid is 30min as buffer, acid processing time;Through water elution Water, drying obtain pretreated glass fiber;
(3) it weighs graphene quantum dot (partial size about 2 ~ 5nm) and is configured to the dispersion solution that concentration is 0.1 ~ 1mg/ml, solvent For water, acetone or dimethyl sulfoxide;(300 ~ 500W ultrasonic power, 200 ~ 300rpm mixing speed) 50 ~ 60ml stone is stirred by ultrasonic Black alkene quantum dot disperses solution, and being added to concentration is 0.01 ~ 0.03mol/L silver nitrate solution, and control reaction temperature is 45 ~ 60 DEG C, dropwise addition concentration is 0.1~0.8mol/L two citric acid monohydrate trisodiums, continues 60 ~ 120min of ultrasonic agitation;10 ~ 20ml is added dropwise Graphene quantum dot disperses solution;Pretreated glass fibre is added thereto, ultrasonic agitation speed halves, dipping 30 ~ During which 60min avoids fibre matting, influence to coat effect;Glass fibre cleaning is taken out, is dried, for use;Graphene quantum dot point The volume ratio of dispersion liquid, silver nitrate solution and two citric acid monohydrate trisodiums is 3 ~ 4:2 ~ 3:1 ~ 2;
(4) it weighs porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) and is configured to the graphite that concentration is 0.2 ~ 0.8mg/ml Alkene disperses solution, and solvent is water, acetone or dimethyl sulfoxide;Ultrasonic agitation (300 ~ 500W ultrasonic power, 200 ~ 300rpm stirring Speed) 80 ~ 100ml graphene dispersion solution, glass fibre made from step (3) is added, 10min is stirred by ultrasonic, then moves to In the reaction kettle of polytetrafluoroethylene (PTFE), 15 ~ 30min is kept the temperature at 80 ~ 120 DEG C;Glass fibre cleaning is taken out, is dried, for use;
(5) it weighs Zinc oxide quantum dot (partial size about 5 ~ 10nm) and is configured to the dispersion liquid that concentration is 0.5 ~ 1mg/ml, solvent For water;(300 ~ 500W ultrasonic power, 200 ~ 300rpm mixing speed) 80 ~ 100ml zinc oxide fluid dispersion is stirred by ultrasonic, by step (4) glass fibre made from is added thereto, and ultrasonic agitation speed halves, and impregnates 30 ~ 60min, during which avoids fibre matting, is influenced Coat effect;Glass fibre cleaning is taken out, is dried, for use;
(6) 0.1 ~ 0. 3M titanium source (titanium source is potassium fluotitanate, ammonium titanium fluoride, isopropyl titanate or titanium tetrachloride) is added Into 1 M sulfuric acid solution, it is uniformly mixed;Glass fibre made from step (5) is added, is warming up to 110 DEG C, after reacting 3 ~ 5h, uses Concentrated ammonia solution tune pH value after being aged 12 hours, cleans, drying to 7, obtains load silver/titanium dioxide composite glass fiber.
The invention has the following beneficial effects:
It by means of the present invention can be more effectively evenly dispersed coated in glass by graphene, silver and titanium dioxide On fiber, and glass fibre and matrix interaction area and interface binding power are further increased, so that using the compound glass The mechanical property of the composite material of glass fiber is more excellent, increases substantially the intensity and toughness of material, due to silver and titanium dioxide The antibacterial characteristics of titanium make composite material possess excellent anti-microbial property.In addition, method and process of the invention is simple, it is at low cost Honest and clean, practicability is good.Composite glass fiber can be used as the filler of injected plastics material, to increase the mechanically performance of plate, bulk And antibacterial characteristics.
Specific embodiment
The present invention will now be described in detail with reference to examples, and the examples are only preferred embodiments of the present invention, It is not limitation of the invention.
Embodiment 1
A kind of preparation method loading silver/titanium dioxide composite glass fiber, comprising the following steps:
(1) it prepares glass fibre: 51% SiO2,15%B2O3,6%Na2O, 10%Al2O3 and 18%CaO crushing, stirring is mixed It after conjunction, is placed in the corundum crucible of 400mL, is melted with Si-Mo rod resistance furnace, charge temperature is 1370 DEG C, and melting clarifying temp is It 1450 ± 10 DEG C, comes out of the stove in 1200 DEG C, moulding by casting is sent into Muffle furnace, is annealed in 500 DEG C, and glass is made;By glass obtained Glass is heated to 1050 DEG C of temperature of wire drawing viscosity, is drawn into about 10 μm of diameter or so of glass fibre;
(2) glass fibre pre-processes: after taking 45 parts of glass fibre split-phases, in the HCl solution that 100ml concentration is 1mol/L Acidleach processing is carried out, acidleach processing is carried out under the conditions of 95 DEG C of constant temperature, and the Na2O-B2O3 phased soln separated in glass fibre is made It is 40% NH4Cl solution as buffer that 5ml concentration is added in acid, acid, and the acid processing time is 30min;Through rinse dehydration, Drying, obtains pretreated glass fiber;
(3) it weighs graphene quantum dot (partial size about 2 ~ 5nm) and is configured to the dispersion solution that concentration is 0.1mg/ml, solvent is Water, acetone or dimethyl sulfoxide;The dispersion of (500W ultrasonic power, 200rpm mixing speed) 60ml graphene quantum dot is stirred by ultrasonic Solution, being added to concentration is 0.01mol/L silver nitrate solution, and control reaction temperature is 45 DEG C, and dropwise addition concentration is 0.1mol/L bis- Citric acid monohydrate trisodium continues that 90min is stirred by ultrasonic;20ml graphene quantum dot is added dropwise and disperses solution;By pretreated glass Glass fiber is added thereto, and ultrasonic agitation speed halves, and impregnates 60min, during which avoids fibre matting, influences to coat effect;It takes out Glass fibre, washing for several times, are dried, for use;Graphene quantum dot dispersion, silver nitrate solution and two citric acid monohydrate trisodiums Volume ratio is 3:2:2;
(4) it weighs porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) and is configured to the graphene point that concentration is 0.8mg/ml Solution is dissipated, solvent is water, acetone or dimethyl sulfoxide;(500W ultrasonic power, 200rpm mixing speed) 100ml stone is stirred by ultrasonic Black alkene disperses solution, and glass fibre made from step (3) is added, and 10min is stirred by ultrasonic, then moves to the reaction of polytetrafluoroethylene (PTFE) In kettle, 30min is kept the temperature at 100 DEG C;Glass fibre cleaning is taken out, is dried, for use;
(5) 0. 1M titanium source (titanium source is potassium fluotitanate) is added in 1 M sulfuric acid solution, is uniformly mixed;Step is added (4) glass fibre made from, is warming up to 110 DEG C, after reacting 4h, with concentrated ammonia solution tune pH value to 7, after ageing 12 hours, clearly It washes, it is dry, obtain load silver/titanium dioxide composite glass fiber.
Embodiment 2
A kind of preparation method loading silver/titanium dioxide composite glass fiber, comprising the following steps:
(1) it prepares glass fibre: 51% SiO2,15%B2O3,6%Na2O, 10%Al2O3 and 18%CaO crushing, stirring is mixed It after conjunction, is placed in the corundum crucible of 400mL, is melted with Si-Mo rod resistance furnace, charge temperature is 1370 DEG C, and melting clarifying temp is It 1450 ± 10 DEG C, comes out of the stove in 1200 DEG C, moulding by casting is sent into Muffle furnace, is annealed in 500 DEG C, and glass is made;By glass obtained Glass is heated to 1050 DEG C of temperature of wire drawing viscosity, is drawn into about 10 μm of diameter or so of glass fibre;
(2) glass fibre pre-processes: after taking 45 parts of glass fibre split-phases, in the HCl solution that 100ml concentration is 1mol/L Acidleach processing is carried out, acidleach processing is carried out under the conditions of 95 DEG C of constant temperature, and the Na2O-B2O3 phased soln separated in glass fibre is made It is 40% NH4Cl solution as buffer that 5ml concentration is added in acid, acid, and the acid processing time is 30min;Through rinse dehydration, Drying, obtains pretreated glass fiber;
(3) it weighs graphene quantum dot (partial size about 2 ~ 5nm) and is configured to the dispersion solution that concentration is 0.3mg/ml, solvent is Water, acetone or dimethyl sulfoxide;The dispersion of (500W ultrasonic power, 200rpm mixing speed) 50ml graphene quantum dot is stirred by ultrasonic Solution, being added to concentration is 0.03mol/L silver nitrate solution, and control reaction temperature is 45 DEG C, and dropwise addition concentration is 0.8mol/L bis- Citric acid monohydrate trisodium continues that 90min is stirred by ultrasonic;10ml graphene quantum dot is added dropwise and disperses solution;By pretreated glass Glass fiber is added thereto, and ultrasonic agitation speed halves, and impregnates 60min, during which avoids fibre matting, influences to coat effect;It takes out Glass fibre cleaning, drying, for use;The volume of graphene quantum dot dispersion, silver nitrate solution and two citric acid monohydrate trisodiums Than for 4:3:2;
(4) it weighs porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) and is configured to the graphene point that concentration is 0.2mg/ml Solution is dissipated, solvent is water, acetone or dimethyl sulfoxide;(500W ultrasonic power, 200rpm mixing speed) 100ml stone is stirred by ultrasonic Black alkene disperses solution, and glass fibre made from step (3) is added, and 10min is stirred by ultrasonic, then moves to the reaction of polytetrafluoroethylene (PTFE) In kettle, 30min is kept the temperature at 100 DEG C;Glass fibre cleaning is taken out, is dried, for use;
(5) 0. 3M titanium source (titanium source is isopropyl titanate) is added in 1 M sulfuric acid solution, is uniformly mixed;Step is added (4) glass fibre made from, is warming up to 110 DEG C, after reacting 5h, with concentrated ammonia solution tune pH value to 7, after ageing 12 hours, clearly It washes, it is dry, obtain load silver/titanium dioxide composite glass fiber.
Embodiment 3
A kind of preparation method loading silver/titanium dioxide composite glass fiber, comprising the following steps:
(1) it prepares glass fibre: 51% SiO2,15%B2O3,6%Na2O, 10%Al2O3 and 18%CaO crushing, stirring is mixed It after conjunction, is placed in the corundum crucible of 400mL, is melted with Si-Mo rod resistance furnace, charge temperature is 1370 DEG C, and melting clarifying temp is It 1450 ± 10 DEG C, comes out of the stove in 1200 DEG C, moulding by casting is sent into Muffle furnace, is annealed in 500 DEG C, and glass is made;By glass obtained Glass is heated to 1050 DEG C of temperature of wire drawing viscosity, is drawn into about 10 μm of diameter or so of glass fibre;
(2) glass fibre pre-processes: after taking 45 parts of glass fibre split-phases, in the HCl solution that 100ml concentration is 1mol/L Acidleach processing is carried out, acidleach processing is carried out under the conditions of 95 DEG C of constant temperature, and the Na2O-B2O3 phased soln separated in glass fibre is made It is 40% NH4Cl solution as buffer that 5ml concentration is added in acid, acid, and the acid processing time is 30min;Through rinse dehydration, Drying, obtains pretreated glass fiber;
(3) it weighs graphene quantum dot (partial size about 2 ~ 5nm) and is configured to the dispersion solution that concentration is 0.8mg/ml, solvent is Water, acetone or dimethyl sulfoxide;The dispersion of (500W ultrasonic power, 200rpm mixing speed) 50ml graphene quantum dot is stirred by ultrasonic Solution, being added to concentration is 0.03mol/L silver nitrate solution, and control reaction temperature is 45 DEG C, and dropwise addition concentration is 0.5mol/L bis- Citric acid monohydrate trisodium continues that 90min is stirred by ultrasonic;20ml graphene quantum dot is added dropwise and disperses solution;By pretreated glass Glass fiber is added thereto, and ultrasonic agitation speed halves, and impregnates 60min, during which avoids fibre matting, influences to coat effect;It takes out Glass fibre cleaning, drying, for use;The volume of graphene quantum dot dispersion, silver nitrate solution and two citric acid monohydrate trisodiums Than for 3:2:1;
(4) it weighs porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) and is configured to the graphene point that concentration is 0.5mg/ml Solution is dissipated, solvent is water, acetone or dimethyl sulfoxide;(500W ultrasonic power, 200rpm mixing speed) 80ml stone is stirred by ultrasonic Black alkene disperses solution, and glass fibre made from step (3) is added, and 10min is stirred by ultrasonic, then moves to the reaction of polytetrafluoroethylene (PTFE) In kettle, 30min is kept the temperature at 100 DEG C;Glass fibre cleaning is taken out, is dried, for use;
(5) 0.2M titanium source (titanium source is ammonium titanium fluoride) is added in 1 M sulfuric acid solution, is uniformly mixed;It is added step (4) Glass fibre obtained is warming up to 110 DEG C, after reacting 3h, is cleaned after ageing 12 hours with concentrated ammonia solution tune pH value to 7, It is dry, obtain load silver/titanium dioxide composite glass fiber.
Embodiment 4
A kind of preparation method of high-intensitive load silver/titanium dioxide composite glass fiber, comprising the following steps:
(1) glass fibre is prepared: by 51% SiO2,15%B2O3,6%Na2O, 9.8%Al2O3,18%CaO and 0.2% multi wall It after the mixing of carbon nanotube (OD about 8nm) crushing, stirring, is placed in the corundum crucible of 400mL, is melted with Si-Mo rod resistance furnace, charging Temperature is 1370 DEG C, and melting clarifying temp is 1450 ± 10 DEG C, is come out of the stove in 1200 DEG C, and moulding by casting is sent into Muffle furnace, in 500 DEG C of annealing, are made glass;Glass obtained is heated to 1050 DEG C of temperature of wire drawing viscosity, is drawn into about 10 μm of left sides of diameter Right glass fibre;
(2) glass fibre pre-processes: after taking 45 parts of glass fibre split-phases, in the HCl solution that 100ml concentration is 1mol/L Acidleach processing is carried out, acidleach processing is carried out under the conditions of 95 DEG C of constant temperature, and the Na2O-B2O3 phased soln separated in glass fibre is made It is 40% NH4Cl solution as buffer that 5ml concentration is added in acid, acid, and the acid processing time is 30min;Through rinse dehydration, Drying, obtains pretreated glass fiber;
(3) it weighs graphene quantum dot (partial size about 2 ~ 5nm) and is configured to the dispersion solution that concentration is 0.3mg/ml, solvent is Water, acetone or dimethyl sulfoxide;The dispersion of (500W ultrasonic power, 200rpm mixing speed) 50ml graphene quantum dot is stirred by ultrasonic Solution, being added to concentration is 0.03mol/L silver nitrate solution, and control reaction temperature is 45 DEG C, and dropwise addition concentration is 0.8mol/L bis- Citric acid monohydrate trisodium continues that 90min is stirred by ultrasonic;10ml graphene quantum dot is added dropwise and disperses solution;By pretreated glass Glass fiber is added thereto, and ultrasonic agitation speed halves, and impregnates 60min, during which avoids fibre matting, influences to coat effect;It takes out Glass fibre cleaning, drying, for use;The volume of graphene quantum dot dispersion, silver nitrate solution and two citric acid monohydrate trisodiums Than for 4:3:2;
(4) it weighs porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) and is configured to the graphene point that concentration is 0.2mg/ml Solution is dissipated, solvent is water, acetone or dimethyl sulfoxide;(500W ultrasonic power, 200rpm mixing speed) 100ml stone is stirred by ultrasonic Black alkene disperses solution, and glass fibre made from step (3) is added, and 10min is stirred by ultrasonic, then moves to the reaction of polytetrafluoroethylene (PTFE) In kettle, 30min is kept the temperature at 100 DEG C;Glass fibre cleaning is taken out, is dried, for use;
(5) it weighs Zinc oxide quantum dot (partial size about 5 ~ 10nm) and is configured to the dispersion liquid that concentration is 0.5mg/ml, solvent is Water;(500W ultrasonic power, 200rpm mixing speed) 80ml zinc oxide fluid dispersion is stirred by ultrasonic, by glass made from step (4) Fiber is added thereto, and ultrasonic agitation speed halves, and impregnates 60min, during which avoids fibre matting, influences to coat effect;Take out glass The cleaning of glass fiber, drying, for use;
(6) 0. 3M titanium source (titanium source is potassium fluotitanate) is added in 1 M sulfuric acid solution, is uniformly mixed;Step is added (5) glass fibre made from, is warming up to 110 DEG C, after reacting 5h, with concentrated ammonia solution tune pH value to 7, after ageing 12 hours, clearly It washes, it is dry, obtain load silver/titanium dioxide composite glass fiber.
Embodiment 5
A kind of preparation method of high-intensitive load silver/titanium dioxide composite glass fiber, comprising the following steps:
(1) glass fibre is prepared: by 51% SiO2,15%B2O3,6%Na2O, 10%Al2O3,17.5%CaO and 0.5% multi wall It after the mixing of carbon nanotube (OD about 8nm) crushing, stirring, is placed in the corundum crucible of 400mL, is melted with Si-Mo rod resistance furnace, charging Temperature is 1370 DEG C, and melting clarifying temp is 1450 ± 10 DEG C, is come out of the stove in 1200 DEG C, and moulding by casting is sent into Muffle furnace, in 500 DEG C of annealing, are made glass;Glass obtained is heated to 1050 DEG C of temperature of wire drawing viscosity, is drawn into about 10 μm of left sides of diameter Right glass fibre;
(2) glass fibre pre-processes: after taking 45 parts of glass fibre split-phases, in the HCl solution that 100ml concentration is 1mol/L Acidleach processing is carried out, acidleach processing is carried out under the conditions of 95 DEG C of constant temperature, and the Na2O-B2O3 phased soln separated in glass fibre is made It is 40% NH4Cl solution as buffer that 5ml concentration is added in acid, acid, and the acid processing time is 30min;Through rinse dehydration, Drying, obtains pretreated glass fiber;
(3) it weighs graphene quantum dot (partial size about 2 ~ 5nm) and is configured to the dispersion solution that concentration is 0.3mg/ml, solvent is Water, acetone or dimethyl sulfoxide;The dispersion of (500W ultrasonic power, 200rpm mixing speed) 50ml graphene quantum dot is stirred by ultrasonic Solution, being added to concentration is 0.03mol/L silver nitrate solution, and control reaction temperature is 45 DEG C, and dropwise addition concentration is 0.8mol/L bis- Citric acid monohydrate trisodium continues that 90min is stirred by ultrasonic;10ml graphene quantum dot is added dropwise and disperses solution;By pretreated glass Glass fiber is added thereto, and ultrasonic agitation speed halves, and impregnates 60min, during which avoids fibre matting, influences to coat effect;It takes out Glass fibre cleaning, drying, for use;The volume of graphene quantum dot dispersion, silver nitrate solution and two citric acid monohydrate trisodiums Than for 4:3:2;
(4) it weighs porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) and is configured to the graphene point that concentration is 0.2mg/ml Solution is dissipated, solvent is water, acetone or dimethyl sulfoxide;(500W ultrasonic power, 200rpm mixing speed) 100ml stone is stirred by ultrasonic Black alkene disperses solution, and glass fibre made from step (3) is added, and 10min is stirred by ultrasonic, then moves to the reaction of polytetrafluoroethylene (PTFE) In kettle, 30min is kept the temperature at 100 DEG C;Glass fibre cleaning is taken out, is dried, for use;
(5) it weighs Zinc oxide quantum dot (partial size about 5 ~ 10nm) and is configured to the dispersion liquid that 100ml concentration is 1mg/ml, solvent For water;(500W ultrasonic power, 200rpm mixing speed) 100ml zinc oxide fluid dispersion is stirred by ultrasonic, by glass made from step (4) Glass fiber is added thereto, and ultrasonic agitation speed halves, and impregnates 60min, during which avoids fibre matting, influences to coat effect;It takes out Glass fibre cleaning, drying, for use;
(6) 0.3M titanium source (titanium source is titanium tetrachloride) is added in 1M sulfuric acid solution, is uniformly mixed;It is added step (5) Glass fibre obtained is warming up to 110 DEG C, after reacting 5h, is cleaned after ageing 12 hours with concentrated ammonia solution tune pH value to 7, It is dry, obtain load silver/titanium dioxide composite glass fiber.
Comparative example 1
A kind of preparation method loading silver/titanium dioxide composite glass fiber, comprising the following steps:
(1) it prepares glass fibre: 51% SiO2,15%B2O3,6%Na2O, 10%Al2O3 and 18%CaO crushing, stirring is mixed It after conjunction, is placed in the corundum crucible of 400mL, is melted with Si-Mo rod resistance furnace, charge temperature is 1370 DEG C, and melting clarifying temp is It 1450 ± 10 DEG C, comes out of the stove in 1200 DEG C, moulding by casting is sent into Muffle furnace, is annealed in 500 DEG C, and glass is made;By glass obtained Glass is heated to 1050 DEG C of temperature of wire drawing viscosity, is drawn into about 10 μm of diameter or so of glass fibre;
(2) glass fibre pre-processes: after taking 45 parts of glass fibre split-phases, in the HCl solution that 100ml concentration is 1mol/L Acidleach processing is carried out, acidleach processing is carried out under the conditions of 95 DEG C of constant temperature, and the Na2O-B2O3 phased soln separated in glass fibre is made It is 40% NH4Cl solution as buffer that 5ml concentration is added in acid, acid, and the acid processing time is 30min;Through rinse dehydration, Drying, obtains pretreated glass fiber;
(3) 0. 3M titanium source (titanium source is isopropyl titanate) is added in 1 M sulfuric acid solution, is uniformly mixed;Step is added (3) glass fibre made from, is warming up to 110 DEG C, after reacting 5h, with concentrated ammonia solution tune pH value to 7, after ageing 12 hours, clearly It washes, it is dry, obtain carried titanium dioxide composite glass fiber.
Comparative example 2
A kind of preparation method loading silver/titanium dioxide composite glass fiber, comprising the following steps:
(1) it prepares glass fibre: 51% SiO2,15%B2O3,6%Na2O, 10%Al2O3 and 18%CaO crushing, stirring is mixed It after conjunction, is placed in the corundum crucible of 400mL, is melted with Si-Mo rod resistance furnace, charge temperature is 1370 DEG C, and melting clarifying temp is It 1450 ± 10 DEG C, comes out of the stove in 1200 DEG C, moulding by casting is sent into Muffle furnace, is annealed in 500 DEG C, and glass is made;By glass obtained Glass is heated to 1050 DEG C of temperature of wire drawing viscosity, is drawn into about 10 μm of diameter or so of glass fibre;
(2) glass fibre pre-processes: after taking 45 parts of glass fibre split-phases, in the HCl solution that 100ml concentration is 1mol/L Acidleach processing is carried out, acidleach processing is carried out under the conditions of 95 DEG C of constant temperature, and the Na2O-B2O3 phased soln separated in glass fibre is made It is 40% NH4Cl solution as buffer that 5ml concentration is added in acid, acid, and the acid processing time is 30min;Through rinse dehydration, Drying, obtains pretreated glass fiber;
(3) compound concentration is 0.03mol/L silver nitrate solution, ultrasonic agitation (500W ultrasonic power, 200rpm stirring speed Degree), pretreated glass fibre is added thereto, control reaction temperature is 45 DEG C, and concentration is added dropwise as the hydration of 0.8mol/L bis- Trisodium citrate continues that 60min is stirred by ultrasonic;Glass fibre cleaning is taken out, is dried, for use;Silver nitrate solution and two hydration lemons The volume ratio of lemon acid trisodium is 3:2;
(4) 0. 3M titanium source (titanium source is isopropyl titanate) is added in 1 M sulfuric acid solution, is uniformly mixed;Step is added (3) glass fibre made from, is warming up to 110 DEG C, after reacting 5h, with concentrated ammonia solution tune pH value to 7, after ageing 12 hours, clearly It washes, it is dry, obtain load silver/titanium dioxide composite glass fiber.
Naval stores is made in the above load silver/titanium dioxide composite glass fiber according to a conventional method and carries out mechanical property Test and anti-microbial property test.
Mechanics Performance Testing:
Antibiotic property test:
Anti-microbial property detection is referring to state of People's Republic of China (PRC) light industry standard QB/T2591-2003, using film applicator coating, The antibiotic rate of 6 ~ 48h of sample is investigated, total plate count measurement is counted referring to GB/T4789.2-2003;Naval stores is hot-forming The antibacterial template of 50*50mm is made.The calculation formula of antibiotic rate is as follows: R%=(B-C)/B*100, wherein R is antibiotic rate (%), B It is averaged bacterial count recovered for blank control sample, cfu/ piece, C is that antibacterial template is averaged bacterial count recovered, cfu/ piece.Sterilization rate test knot Fruit is as follows:
In addition, after for the wearability and long-term practical abrasion of the above load silver/titanium dioxide composite glass fiber of test Antibacterial template is carried out simulation using wear testing by antibacterial effect, and it is 3~4 abrasive material, friction that wear testing, which selects Mohs' hardness, It imitates using the effect after 2 years for 1000 times.Sample clean is dried after friction, and tests antibacterial effect according to the method described above. Test result is as follows for sterilization rate:
It is that antibacterial template is placed under the conditions of 60 DEG C to place 10h in addition, carrying out heat stability testing, sterilization rate test knot Fruit is as follows:
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not Therefore limitations on the scope of the patent of the present invention are interpreted as, as long as skill obtained in the form of equivalent substitutions or equivalent transformations Art scheme should all be fallen within the scope and spirit of the invention.

Claims (5)

1. a kind of preparation method of high-intensitive load silver/titanium dioxide composite glass fiber, comprising the following steps:
(1) glass fibre is prepared: by weight percentage, by 50 ~ 55% SiO2,10 ~ 15%B2O3,5 ~ 10%Na2O, 10 ~ 15% It after Al2O3,15 ~ 20%CaO and 0.1 ~ 0.5% multi-walled carbon nanotube crushing, stirring mix, is placed in the corundum crucible of 400mL, uses Si-Mo rod resistance furnace is melted, and charge temperature is 1370 DEG C, and melting clarifying temp is 1450 ± 10 DEG C, is come out of the stove in 1200 DEG C, is poured Molding is sent into Muffle furnace, is annealed in 500 DEG C, and glass is made;Glass obtained is heated to the temperature 1050 of wire drawing viscosity DEG C, it is drawn into glass fibre;
(2) glass fibre pre-processes: after taking 5 ~ 50 parts of glass fibre split-phases, carrying out in the HCl solution that concentration is 1 ~ 2mol/L Acidleach processing, acidleach processing is carried out under the conditions of 90 ~ 95 DEG C of constant temperature, makes the Na2O-B2O3 phased soln separated in glass fibre It is 40% NH4Cl solution as buffer that concentration is added in acid, acid, and the acid processing time is 30 ~ 60min;Through rinse dehydration, Drying, obtains pretreated glass fiber;
(3) weighing partial size is the dispersion solution that 2 ~ 10nm graphene quantum dot is configured to that concentration is 0.1 ~ 1mg/ml, solvent be water, Acetone or dimethyl sulfoxide;Be stirred by ultrasonic 50 ~ 60ml graphene quantum dot disperse solution, be added to concentration be 0.01 ~ 0.03mol/L silver nitrate solution, control reaction temperature are 45 ~ 60 DEG C, and dropwise addition concentration is 0.1~0.8mol/L, bis- citric acid monohydrate Trisodium continues 60 ~ 120min of ultrasonic agitation;10 ~ 20ml graphene quantum dot is added dropwise and disperses solution;By pretreated glass fibers Dimension is added thereto, and ultrasonic agitation speed halves, and impregnates 30 ~ 60min;Glass fibre cleaning is taken out, is dried, for use;Graphene amount The volume ratio of son point dispersion liquid, silver nitrate solution and two citric acid monohydrate trisodiums is 3 ~ 4:2 ~ 3:1 ~ 2;
(4) weigh porous graphene be configured to concentration be 0.2 ~ 0.8mg/ml graphene dispersion solution, solvent be water, acetone or Dimethyl sulfoxide;80 ~ 100ml graphene dispersion solution is stirred by ultrasonic, glass fibre made from step (3), ultrasonic agitation is added Then 10min is moved in the reaction kettle of polytetrafluoroethylene (PTFE), 15 ~ 30min is kept the temperature at 80 ~ 120 DEG C;Glass fibre cleaning is taken out, Drying, for use;
(5) it weighs Zinc oxide quantum dot and is configured to the dispersion liquid that concentration is 0.5 ~ 1mg/ml, solvent is water;Ultrasonic agitation 80 ~ Glass fibre made from step (4) is added thereto by 100ml zinc oxide fluid dispersion, and ultrasonic agitation speed halves, and dipping 30 ~ 60min;Glass fibre cleaning is taken out, is dried, for use;
(6) 0.1 ~ 0. 3M titanium source is added in 1 M sulfuric acid solution, is uniformly mixed;Glass fibre made from step (5) is added, 110 DEG C are warming up to, after reacting 3 ~ 5h, is cleaned after ageing 12 hours with concentrated ammonia solution tune pH value to 7, it is dry, it is loaded Silver/titanium dioxide composite glass fiber.
2. the preparation method of high-intensitive load silver/titanium dioxide composite glass fiber according to claim 1, feature exist In the porous graphene is 2 ~ 5 layers, and hole size is the porous graphene of 3 ~ 6nm.
3. the preparation method of high-intensitive load silver/titanium dioxide composite glass fiber according to claim 1, feature exist In the titanium source is potassium fluotitanate, ammonium titanium fluoride, isopropyl titanate or titanium tetrachloride.
4. the preparation method of high-intensitive load silver/titanium dioxide composite glass fiber according to claim 3, feature exist In the Zinc oxide quantum dot partial size is 5 ~ 10nm.
5. high intensity made from method described in any one of Claims 1-4 loads silver/titanium dioxide composite glass fiber.
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