CN108751726A - A kind of preparation method of high-strength high temperature-resistant mineral wool - Google Patents
A kind of preparation method of high-strength high temperature-resistant mineral wool Download PDFInfo
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- CN108751726A CN108751726A CN201810900384.0A CN201810900384A CN108751726A CN 108751726 A CN108751726 A CN 108751726A CN 201810900384 A CN201810900384 A CN 201810900384A CN 108751726 A CN108751726 A CN 108751726A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/06—Manufacture of glass fibres or filaments by blasting or blowing molten glass, e.g. for making staple fibres
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Abstract
The present invention provides a kind of preparation methods of high-strength high temperature-resistant mineral wool, first glass metal is prepared using cullet, calcite, nano aluminium oxide, borax, carbon nanotube, calcium oxide, magnesium silicate, titanium dioxide, then glass metal is put into mineral wool centrifuge and carries out centrifugal injection, glass fibre is made, by free glass wool binder even application to fiberglass surfacing, then by glass fibre by be transported to after cotton collecting machine collection cotton cured in curing oven after up to mineral wool.Mineral wool produced by the present invention has good mechanical strength, it is good according to the elasticity of the numerical value mineral wool of elongation at break, to prevent thermal deformation problem caused by temperature shock, the thermal coefficient of mineral wool is down to 0.007w/m.k, to show that mineral wool has good heat conductivility, prevent mineral wool from crossing heat affecting using effect and service life.Therefore mineral wool produced by the present invention is with a wide range of applications.
Description
Technical field
The invention belongs to mineral wool technical fields, and in particular to a kind of preparation method of high-strength high temperature-resistant mineral wool.
Background technology
Mineral wool belongs to inorganic heat-insulating material, is member important in heat-insulating material field, it not only has non-ignitable, heat conduction
The excellent performances such as coefficient is small, chemical stability is good, can also use and other materials is compound or deep processing, expand the application of product
Field.Because glass wool product has been applied to building, industries such as metallurgy, oil, chemical industry, defence and military and high-new more and more widely
Technology industry has played important function in the national economic development.
However the brittleness of mineral wool is larger, mechanical strength is generally relatively low, for a long time using be susceptible to cellulose fracture
Situation.It is also for other raw materials that mineral wool, which belongs to the small heat-insulating material of thermal coefficient, simultaneously, and mineral wool surface is viscous
With adhesive, adhesive is heated to easy to produce tacky the phenomenon that even resulting in mineral wool deformation, therefore, using mineral wool as absolutely
Thermosphere carry out in use, in order to not influence mineral wool using effect and service life, greatly reduce mineral wool heat conduction system
Number further increases it in the stability of hot conditions, has important value.
Invention content
For the above problem of the existing technology, the purpose of the present invention is to provide a kind of high-strength high temperature-resistant mineral wools
Preparation method, to improve the high-temperature stability of mineral wool.
To achieve the goals above, the present invention provides following technical scheme：
A kind of preparation method of high-strength high temperature-resistant mineral wool, includes the following steps：
（1）15-25 parts of 60-80 parts of cullet, 20-40 parts of calcite and nano aluminium oxide are subjected to washed with impurities into the water,
The precipitation particle after removal of impurities is collected, precipitation particle is placed in baking oven and is dried, by the raw material and 12-18 parts of boraxs, 6- after precipitation
12 parts of carbon nanotubes are mixed, and are placed in pulverizer and are crushed, and 30-80 mesh sieve is crossed, and collect sieving particle；
（2）By step（1）Sieving particle obtained is mixed with 7-12 parts of calcium oxide, 5-9 parts of magnesium silicates, 4-7 parts of titanium dioxide
It closes, then puts it into ball mill and carry out ball milling collection ball milling object；Ball milling object is put into melting furnace, at 800-900 DEG C
It is melted, obtains glass metal；
（3）Glass metal is put into mineral wool centrifuge and carries out centrifugal injection, glass fibre is made, free glass wool binder is uniformly sprayed
Be coated onto fiberglass surfacing, then by glass fibre by be transported to after cotton collecting machine collection cotton cured in curing oven after up to glass
Glass cotton, wherein solidification temperature is 150-180 DEG C, and the mass ratio of glass fibre and free glass wool binder is（1-5）:（50-80）；
The preparation method of the free glass wool binder includes the following steps：
（1）10-30 parts of white carbon, 6-15 parts of aluminium borate whisker, 6-12 parts of magnesium borate crystal whisker, 8-16 parts of mica powder are scattered in
In the 0.01M PBS buffer solution of 80-100 parts of pH7.4, the silane coupling agent of final concentration of 10-20wt% is then added, in 35-50
1-2h is stirred to react with the rotating speed of 200-500r/min at a temperature of DEG C；Upper layer solvent, lower sediment particle are removed by centrifugation
It is washed with deionized 2-3 times, and places it in baking oven and dry, it is spare；
（2）4-7 parts of dispersants are added in 60-80 parts of solvents, 30-50 parts of Nano-meter SiO_2s are sequentially added in the state of stirring2Change
Property boron bakelite resin, 12-18 parts of epoxy novolac vinyl esters, 10-15 parts of bisphenol-A epoxy vinyl esters, 8-14 parts of poly aryl ethers
Nitrile, 5-10 part bismaleimide, 50-60 DEG C is raised the temperature under vacuum state, continues to be stirred to react 1.5-3h, then
5-8 part hexas, 4,4 '-diaminodiphenylmethane of 6-12 parts is added and continues stirring 40-60min to get to mineral wool
Use adhesive.
Preferably, the step in the preparation process of the mineral wool（1）In each raw material parts by weight be 70 parts of cullet, side
Solve 30 parts of stone, 20 parts of nano aluminium oxide, 15 parts of borax, 9 parts of carbon nanotube, step（2）In each raw material parts by weight be calcium oxide 9
Part, 7 parts of magnesium silicate, 5.5 parts of titanium dioxide.
Preferably, the step in the preparation process of the mineral wool（2）Middle melting temperature is 850 DEG C, step（3）In consolidate
It is 165 DEG C to change temperature.
Preferably, the mass ratio of the glass fibre and free glass wool binder is 2.5:65.
Preferably, the step in the free glass wool binder preparation process（1）In each raw material parts by weight be white carbon 20
Part, 10 parts of aluminium borate whisker, 9 parts of magnesium borate crystal whisker, 12 parts of mica powder, 90 parts of PBS buffer solution.
Preferably, the step in the free glass wool binder preparation process（2）Vacuum degree under middle reactiveness is 0.01-
0.05MPa。
Preferably, the step in the free glass wool binder preparation process（2）In solvent be volume ratio be 1:4:2 N-
Methyl pyrrolidone, N,N-dimethylformamide and water.
Preferably, the step in the free glass wool binder preparation process（2）In dispersant be mass ratio be 1：（1.5-
3）Polyvinylpyrrolidone and cetomacrogol 1000.
Preferably, the step in the free glass wool binder preparation process（2）In each raw material parts by weight be 70 parts of solvent,
5.5 parts of dispersant, Nano-meter SiO_2240 parts of modified boron containing phenolic resin, 15 parts of epoxy novolac vinyl esters, bisphenol-A epoxy vinyl esters
12 parts, 11 parts of poly aryl ether nitrile, 7.5 parts of bismaleimide, 6.5 parts of hexa, 4,4 '-diaminodiphenylmethane 9
Part.
Further, the step in the free glass wool binder preparation process（1）Middle Nano-meter SiO_22Modified boron containing phenolic resin
Preparation method be：5mL phenol is added in four-hole bottle, 0.5mL ammonium hydroxide is added in the state of stirring, temperature is warming up to 60
DEG C, the formalin of 25 wt% of 1mL then will be added, be continuously heating to 95 DEG C, add 35 parts of Nano-meter SiO_2s2It is anti-at 95 DEG C
30min adds formalin the reaction was continued the 60min of 25 wt % of 0.5mL, is eventually adding 0.3mL acid reactions 80min
Afterwards, reaction solution is placed on Rotary Evaporators and carries out revolving removal solvent, obtain Nano-meter SiO_22Modified boron containing phenolic resin.
Advantageous effect：The present invention provides a kind of preparation methods of high-strength high temperature-resistant mineral wool, prepare glass fibers first
Dimension, then prepares mineral wool to microglass fiber surface spraying adhesive again, is added in the preparation process of glass fibre aerobic
Change calcium, magnesium silicate and titanium dioxide, the addition of these types of substance plays weight to the raising of the mechanical strength and thermal conductivity of mineral wool
The effect wanted, while Nano-meter SiO_2 has been used in the preparation process of adhesive2Modified boron containing phenolic resin as matrix resin one
Kind, aluminium borate whisker and magnesium borate crystal whisker be added as reinforcing aids, then again by the synergistic effect of other raw materials, into
One step improves the comprehensive performance of mineral wool.The tensile strength of mineral wool produced by the present invention is up to 65.3psi, elongation at break
Up to 41.8%, shear strength when 80 DEG C is up to 22.4MPa, therefore mineral wool produced by the present invention has good machinery
Intensity, it is good according to the elasticity of the numerical value mineral wool of elongation at break, to prevent thermal deformation caused by temperature shock
The thermal coefficient of problem, mineral wool prevents glass down to 0.007w/m.k to show that mineral wool has good heat conductivility
Cotton crosses heat affecting using effect and service life.Therefore mineral wool produced by the present invention is with a wide range of applications.
Specific implementation mode
The invention will now be further described with reference to specific embodiments, but examples are merely exemplary, not to this hair
Bright range constitutes any restrictions.It will be understood by those skilled in the art that without departing from the spirit and scope of the invention
Can the details and form of technical solution of the present invention be modified or be replaced, but these modifications and replacement each fall within the present invention's
In protection domain.
The step in free glass wool binder preparation process described in following embodiment and comparative example（1）Middle Nano-meter SiO_22Change
The preparation method of property boron bakelite resin is：5mL phenol is added in four-hole bottle, 0.5mL ammonium hydroxide is added in the state of stirring will
Temperature is warming up to 60 DEG C, and the formalin of 25 wt% of 1mL then will be added, be continuously heating to 95 DEG C, add 35 parts of nanometers
SiO2The anti-30min at 95 DEG C adds formalin the reaction was continued the 60min of 25 wt % of 0.5mL, is eventually adding 0.3mL
After acid reaction 80min, reaction solution is placed on Rotary Evaporators and carries out revolving removal solvent, obtains Nano-meter SiO_22It is modified
Boron bakelite resin.
Embodiment 1
A kind of preparation method of high-strength high temperature-resistant mineral wool, includes the following steps：
（1）20 parts of 70 parts of cullet, 30 parts of calcite and nano aluminium oxide are subjected to washed with impurities into the water, after collecting removal of impurities
Precipitation particle, precipitation particle is placed in baking oven and dries, by after precipitation raw material and 15 parts of boraxs, 9 parts of carbon nanotubes progress
Mixing, is placed in pulverizer and crushes, and crosses 60 mesh sieve, collects sieving particle；
（2）By step（1）Sieving particle obtained is mixed with 9 parts of calcium oxide, 7 parts of magnesium silicates, 5.5 parts of titanium dioxide, so
After put it into ball mill carry out ball milling collect ball milling object；Ball milling object is put into melting furnace, is melted at 850 DEG C,
Obtain glass metal；
（3）Glass metal is put into mineral wool centrifuge and carries out centrifugal injection, glass fibre is made, free glass wool binder is uniformly sprayed
Be coated onto fiberglass surfacing, then by glass fibre by be transported to after cotton collecting machine collection cotton cured in curing oven after up to glass
Glass cotton, wherein solidification temperature is 165 DEG C, and the mass ratio of glass fibre and free glass wool binder is 2.5:65；
The preparation method of the free glass wool binder includes the following steps：
（1）20 parts of white carbon, 10 parts of aluminium borate whisker, 9 parts of magnesium borate crystal whisker, 12 parts of mica powder are scattered in 90 parts of pH7.4's
In 0.01M PBS buffer solution, the silane coupling agent of final concentration of 15wt% is then added, with 350r/min at a temperature of 42 DEG C
Rotating speed be stirred to react 1h；Remove upper layer solvent by centrifugation, lower sediment particle is washed with deionized 2-3 times, and by its
It is placed in baking oven and dries, it is spare；
（2）5.5 parts of dispersants are added in 70 parts of solvents, 40 parts of Nano-meter SiO_2s are sequentially added in the state of stirring2Modified boron phenol
Urea formaldehyde, 15 parts of epoxy novolac vinyl esters, 12 parts of bisphenol-A epoxy vinyl esters, 11 parts of poly aryl ether nitriles, 7.5 portions of spans come
Acid imide raises the temperature to 55 DEG C under vacuum state, continues to be stirred to react 2.2h, and 6.5 parts of hexa-methylenes four are then added
Amine, 9 part 4,4 '-diaminodiphenylmethane continue to stir 50min to get to mineral wool adhesive.
Step in the free glass wool binder preparation process（2）Vacuum degree under middle reactiveness is 0.03MPa.
Step in the free glass wool binder preparation process（2）In solvent be volume ratio be 1:4:2 N- methyl pyrroles
Pyrrolidone, N,N-dimethylformamide and water.
Step in the free glass wool binder preparation process（2）In dispersant be mass ratio be 1:2.3 polyethylene
Pyrrolidones and cetomacrogol 1000.
Embodiment 2
A kind of preparation method of high-strength high temperature-resistant mineral wool, includes the following steps：
（1）15 parts of 60 parts of cullet, 20 parts of calcite and nano aluminium oxide are subjected to washed with impurities into the water, after collecting removal of impurities
Precipitation particle, precipitation particle is placed in baking oven and dries, by after precipitation raw material and 12 parts of boraxs, 6 parts of carbon nanotubes progress
Mixing, is placed in pulverizer and crushes, and crosses 30 mesh sieve, collects sieving particle；
（2）By step（1）Sieving particle obtained is mixed with 7 parts of calcium oxide, 5 parts of magnesium silicates, 4 parts of titanium dioxide, then
It puts it into ball mill and carries out ball milling collection ball milling object；Ball milling object is put into melting furnace, is melted, is obtained at 800 DEG C
Glass metal；
（3）Glass metal is put into mineral wool centrifuge and carries out centrifugal injection, glass fibre is made, free glass wool binder is uniformly sprayed
Be coated onto fiberglass surfacing, then by glass fibre by be transported to after cotton collecting machine collection cotton cured in curing oven after up to glass
Glass cotton, wherein solidification temperature is 150 DEG C, and the mass ratio of glass fibre and free glass wool binder is 1:50；
The preparation method of the free glass wool binder includes the following steps：
（1）10 parts of white carbon, 6 parts of aluminium borate whisker, 6 parts of magnesium borate crystal whisker, 8 parts of mica powder are scattered in 80 parts of pH7.4's
In 0.01M PBS buffer solution, the silane coupling agent of final concentration of 10wt% is then added, with 200r/min at a temperature of 35 DEG C
Rotating speed be stirred to react 1h；Remove upper layer solvent by centrifugation, lower sediment particle is washed with deionized 2-3 times, and by its
It is placed in baking oven and dries, it is spare；
（2）4 parts of dispersants are added in 60 parts of solvents, 30 parts of Nano-meter SiO_2s are sequentially added in the state of stirring2Modified boron phenolic
Resin, 12 parts of epoxy novolac vinyl esters, 10 parts of bisphenol-A epoxy vinyl esters, 8 parts of poly aryl ether nitriles, 5 parts of bismaleimides
Amine raises the temperature to 50 DEG C under vacuum state, continues to be stirred to react 1.5h, then be added 5 parts of hexas, 6 parts
4,4 '-diaminodiphenylmethane continue to stir 40min to get to mineral wool adhesive.
Step in the free glass wool binder preparation process（2）Vacuum degree under middle reactiveness is 0.01MPa.
Step in the free glass wool binder preparation process（2）In solvent be volume ratio be 1:4:2 N- methyl pyrroles
Pyrrolidone, N,N-dimethylformamide and water.
Step in the free glass wool binder preparation process（2）In dispersant be mass ratio be 1:1.5 polyethylene
Pyrrolidones and cetomacrogol 1000.
Embodiment 3
A kind of preparation method of high-strength high temperature-resistant mineral wool, includes the following steps：
（1）18 parts of 65 parts of cullet, 25 parts of calcite and nano aluminium oxide are subjected to washed with impurities into the water, after collecting removal of impurities
Precipitation particle, precipitation particle is placed in baking oven and dries, by after precipitation raw material and 14 parts of boraxs, 8 parts of carbon nanotubes progress
Mixing, is placed in pulverizer and crushes, and crosses 40 mesh sieve, collects sieving particle；
（2）By step（1）Sieving particle obtained is mixed with 8 parts of calcium oxide, 6 parts of magnesium silicates, 5 parts of titanium dioxide, then
It puts it into ball mill and carries out ball milling collection ball milling object；Ball milling object is put into melting furnace, is melted, is obtained at 820 DEG C
Glass metal；
（3）Glass metal is put into mineral wool centrifuge and carries out centrifugal injection, glass fibre is made, free glass wool binder is uniformly sprayed
Be coated onto fiberglass surfacing, then by glass fibre by be transported to after cotton collecting machine collection cotton cured in curing oven after up to glass
Glass cotton, wherein solidification temperature is 150-180 DEG C, and the mass ratio of glass fibre and free glass wool binder is 2:60；
The preparation method of the free glass wool binder includes the following steps：
（1）15 parts of white carbon, 8 parts of aluminium borate whisker, 7 parts of magnesium borate crystal whisker, 9 parts of mica powder are scattered in 85 parts of pH7.4's
In 0.01M PBS buffer solution, the silane coupling agent of final concentration of 12wt% is then added, with 300r/min at a temperature of 38 DEG C
Rotating speed be stirred to react 1.2h；Upper layer solvent is removed by centrifugation, lower sediment particle is washed with deionized 2-3 times, and will
It is placed in baking oven and dries, spare；
（2）5 parts of dispersants are added in 65 parts of solvents, 35 parts of Nano-meter SiO_2s are sequentially added in the state of stirring2Modified boron phenolic
Resin, 14 parts of epoxy novolac vinyl esters, 12 parts of bisphenol-A epoxy vinyl esters, 9 parts of poly aryl ether nitriles, 6 parts of bismaleimides
Amine raises the temperature to 52 DEG C under vacuum state, continues to be stirred to react 2h, then be added 6 parts of hexas, 8 part 4,
4 '-diaminodiphenylmethane continue to stir 45min to get to mineral wool adhesive.
Step in the free glass wool binder preparation process（2）Vacuum degree under middle reactiveness is 0.02MPa.
Step in the free glass wool binder preparation process（2）In solvent be volume ratio be 1:4:2 N- methyl pyrroles
Pyrrolidone, N,N-dimethylformamide and water.
Step in the free glass wool binder preparation process（2）In dispersant be mass ratio be 1:2 polyethylene pyrrole
Pyrrolidone and cetomacrogol 1000.
Embodiment 4
A kind of preparation method of high-strength high temperature-resistant mineral wool, includes the following steps：
（1）25 parts of 80 parts of cullet, 40 parts of calcite and nano aluminium oxide are subjected to washed with impurities into the water, after collecting removal of impurities
Precipitation particle, precipitation particle is placed in baking oven and dries, by after precipitation raw material and 18 parts of boraxs, 12 parts of carbon nanotubes progress
Mixing, is placed in pulverizer and crushes, and crosses 80 mesh sieve, collects sieving particle；
（2）By step（1）Sieving particle obtained is mixed with 12 parts of calcium oxide, 9 parts of magnesium silicates, 7 parts of titanium dioxide, then
It puts it into ball mill and carries out ball milling collection ball milling object；Ball milling object is put into melting furnace, is melted, is obtained at 900 DEG C
Glass metal；
（3）Glass metal is put into mineral wool centrifuge and carries out centrifugal injection, glass fibre is made, free glass wool binder is uniformly sprayed
Be coated onto fiberglass surfacing, then by glass fibre by be transported to after cotton collecting machine collection cotton cured in curing oven after up to glass
Glass cotton, wherein solidification temperature is 150-180 DEG C, and the mass ratio of glass fibre and free glass wool binder is 5:80；
The preparation method of the free glass wool binder includes the following steps：
（1）30 parts of white carbon, 15 parts of aluminium borate whisker, 12 parts of magnesium borate crystal whisker, 16 parts of mica powder are scattered in 100 parts of pH7.4
0.01M PBS buffer solution in, the silane coupling agent of final concentration of 20wt% is then added, with 500r/ at a temperature of 50 DEG C
The rotating speed of min is stirred to react 2h；Upper layer solvent is removed by centrifugation, lower sediment particle is washed with deionized 2-3 times, and will
It is placed in baking oven and dries, spare；
（2）7 parts of dispersants are added in 80 parts of solvents, 50 parts of Nano-meter SiO_2s are sequentially added in the state of stirring2Modified boron phenolic
Resin, 18 parts of epoxy novolac vinyl esters, 15 parts of bisphenol-A epoxy vinyl esters, 14 parts of poly aryl ether nitriles, 5-10 portions of spans carry out acyl
Imines raises the temperature to 60 DEG C under vacuum state, continues to be stirred to react 3h, then be added 8 parts of hexas, 12 parts
4,4 '-diaminodiphenylmethane continue to stir 60min to get to mineral wool adhesive.
Step in the free glass wool binder preparation process（2）Vacuum degree under middle reactiveness is 0.05MPa.
Step in the free glass wool binder preparation process（2）In solvent be volume ratio be 1:4:2 N- methyl pyrroles
Pyrrolidone, N,N-dimethylformamide and water.
Step in the free glass wool binder preparation process（2）In dispersant be mass ratio be 1:3 polyethylene pyrrole
Pyrrolidone and cetomacrogol 1000.
Comparative example 1
Difference lies in be not added with calcium oxide, magnesium silicate and titanium dioxide to comparative example 1 with embodiment 1 in comparative example 1.
Comparative example 2
Difference lies in be not added with aluminium borate whisker, magnesium borate crystal whisker to comparative example 2 with embodiment 1 in comparative example 2.
Comparative example 3
Difference lies in Nano-meter SiO_2s in comparative example 3 with embodiment 1 for comparative example 32The parts by weight of modified boron containing phenolic resin are 10 parts.
Adhesive made from embodiment 1-4 and comparative example 1-3 is subjected to following performance test.Tensile strength, fracture are stretched
Long rate and shear strength：Above-described embodiment is taken to fill full sampling die with comparative example component respectively, in 60 DEG C of vacuum drying
It is placed in case 24 hours and removes water；The reactant that repeats the above steps to after removing water fills up mold；It is reacted in 200 DEG C of Muffle furnaces
It 5 minutes, demoulds and is measured after cooling, then the mineral wool of embodiment and comparative example is prepared as block of glass wool, density is
24kg/m3, thermal coefficient at 68 ~ 75 DEG C is tested, as a result such as table 1.Test result is as shown in table 1, is obtained from table 1,
The tensile strength of mineral wool produced by the present invention is up to 65.3psi, and elongation at break is up to 41.8%, and shearing when 80 DEG C is strong
Degree is up to 22.4MPa, therefore mineral wool produced by the present invention has good mechanical strength, can according to the numerical value of elongation at break
Know that the elasticity of mineral wool is good, to prevent thermal deformation problem caused by temperature shock, the thermal coefficient of mineral wool down to
0.007w/m.k prevents mineral wool from crossing heat affecting using effect and making to show that mineral wool has good heat conductivility
Use the service life.Therefore mineral wool produced by the present invention is with a wide range of applications.
Table 1
Claims (10)
1. a kind of preparation method of high-strength high temperature-resistant mineral wool, which is characterized in that include the following steps：
（1）15-25 parts of 60-80 parts of cullet, 20-40 parts of calcite and nano aluminium oxide are subjected to washed with impurities into the water,
The precipitation particle after removal of impurities is collected, precipitation particle is placed in baking oven and is dried, by the raw material and 12-18 parts of boraxs, 6- after precipitation
12 parts of carbon nanotubes are mixed, and are placed in pulverizer and are crushed, and 30-80 mesh sieve is crossed, and collect sieving particle；
（2）By step（1）Sieving particle obtained is mixed with 7-12 parts of calcium oxide, 5-9 parts of magnesium silicates, 4-7 parts of titanium dioxide
It closes, then puts it into ball mill and carry out ball milling collection ball milling object；Ball milling object is put into melting furnace, at 800-900 DEG C
It is melted, obtains glass metal；
（3）Glass metal is put into mineral wool centrifuge and carries out centrifugal injection, glass fibre is made, free glass wool binder is uniformly sprayed
Be coated onto fiberglass surfacing, then by glass fibre by be transported to after cotton collecting machine collection cotton cured in curing oven after up to glass
Glass cotton, wherein solidification temperature is 150-180 DEG C, and the mass ratio of glass fibre and free glass wool binder is（1-5）:（50-80）；
The preparation method of the free glass wool binder includes the following steps：
（1）10-30 parts of white carbon, 6-15 parts of aluminium borate whisker, 6-12 parts of magnesium borate crystal whisker, 8-16 parts of mica powder are scattered in
In the 0.01M PBS buffer solution of 80-100 parts of pH7.4, the silane coupling agent of final concentration of 10-20wt% is then added, in 35-50
1-2h is stirred to react with the rotating speed of 200-500r/min at a temperature of DEG C；Upper layer solvent, lower sediment particle are removed by centrifugation
It is washed with deionized 2-3 times, and places it in baking oven and dry, it is spare；
（2）4-7 parts of dispersants are added in 60-80 parts of solvents, 30-50 parts of Nano-meter SiO_2s are sequentially added in the state of stirring2Change
Property boron bakelite resin, 12-18 parts of epoxy novolac vinyl esters, 10-15 parts of bisphenol-A epoxy vinyl esters, 8-14 parts of poly aryl ethers
Nitrile, 5-10 part bismaleimide, 50-60 DEG C is raised the temperature under vacuum state, continues to be stirred to react 1.5-3h, then
5-8 part hexas, 4,4 '-diaminodiphenylmethane of 6-12 parts is added and continues stirring 40-60min to get to mineral wool
Use adhesive.
2. a kind of preparation method of high-strength high temperature-resistant mineral wool according to claim 1, which is characterized in that the glass
Step in the preparation process of cotton（1）In each raw material parts by weight be 70 parts of cullet, 30 parts of calcite, nano aluminium oxide 20
Part, 15 parts of borax, 9 parts of carbon nanotube, step（2）In each raw material parts by weight be 9 parts of calcium oxide, 7 parts of magnesium silicate, titanium dioxide
5.5 part.
3. a kind of preparation method of high-strength high temperature-resistant mineral wool according to claim 1, which is characterized in that the glass
Step in the preparation process of cotton（2）Middle melting temperature is 850 DEG C, step（3）In solidification temperature be 165 DEG C.
4. a kind of preparation method of high-strength high temperature-resistant mineral wool according to claim 1, which is characterized in that the glass
The mass ratio of fiber and free glass wool binder is 2.5:65.
5. a kind of preparation method of high-strength high temperature-resistant mineral wool according to claim 1, which is characterized in that the glass
Step in cotton adhesive preparation process（1）In each raw material parts by weight be 20 parts of white carbon, 10 parts of aluminium borate whisker, antifungin
9 parts of whisker, 12 parts of mica powder, 90 parts of PBS buffer solution.
6. a kind of preparation method of high-strength high temperature-resistant mineral wool according to claim 1, which is characterized in that the glass
Step in cotton adhesive preparation process（2）Vacuum degree under middle reactiveness is 0.01-0.05MPa.
7. a kind of preparation method of high-strength high temperature-resistant mineral wool according to claim 1, which is characterized in that the glass
Step in cotton adhesive preparation process（2）In solvent be volume ratio be 1:4:2 N-Methyl pyrrolidone, N, N- dimethyl
Formamide and water.
8. a kind of preparation method of high-strength high temperature-resistant mineral wool according to claim 1, which is characterized in that the glass
Step in cotton adhesive preparation process（2）In dispersant be mass ratio be 1：（1.5-3）Polyvinylpyrrolidone and poly-
Ethylene glycol 1000.
9. a kind of preparation method of high-strength high temperature-resistant mineral wool according to claim 1, which is characterized in that the glass
Step in cotton adhesive preparation process（2）In each raw material parts by weight be 70 parts of solvent, 5.5 parts of dispersant, Nano-meter SiO_22Change
It is 40 parts of boron bakelite resin of property, 15 parts of epoxy novolac vinyl esters, 12 parts of bisphenol-A epoxy vinyl esters, 11 parts of poly aryl ether nitrile, double
7.5 parts of maleimide, 6.5 parts of hexa, 9 parts of 4,4 '-diaminodiphenylmethane.
10. a kind of preparation method of high-strength high temperature-resistant mineral wool according to claim 1, which is characterized in that the glass
Step in glass cotton adhesive preparation process（1）Middle Nano-meter SiO_22The preparation method of modified boron containing phenolic resin is：5mL phenol is added
Enter in four-hole bottle, 0.5mL ammonium hydroxide is added in the state of stirring, temperature is warming up to 60 DEG C, then will be added 25 wt%'s of 1mL
Formalin is continuously heating to 95 DEG C, adds 35 parts of Nano-meter SiO_2s2The anti-30min at 95 DEG C adds 25 wt % of 0.5mL
Formalin the reaction was continued that reaction solution is placed in Rotary Evaporators by 60min after being eventually adding 0.3mL acid reactions 80min
On carry out revolving removal solvent, obtain Nano-meter SiO_22Modified boron containing phenolic resin.
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