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.