CN105274730A - Glass wool - Google Patents
Glass wool Download PDFInfo
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- CN105274730A CN105274730A CN201510564370.2A CN201510564370A CN105274730A CN 105274730 A CN105274730 A CN 105274730A CN 201510564370 A CN201510564370 A CN 201510564370A CN 105274730 A CN105274730 A CN 105274730A
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- glass wool
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Abstract
The invention belongs to the technical filed of thermal insulation, and particularly to a glass wool. The glass wool comprises a plurality of glass fibers, and nanometer nanoparticles are attached to the surface of the glass fibers; the nanoparticles include nanometer SiO2; the mean grain size of the nanoparticles is within the range from 0 to about 100 nm; and the weight of the nanoparticles is less than or equal to 20% of the weight of the glass fibers. According to the glass wool, the nanoparticles are attached to the surface of the glass fibers in the glass wool, surface contact between glass fibers in the present glass wool is changed into point contact between nanoparticles, thermal conduction of the glass wool can be distinctly reduced, so that the glass wood has a low heat conduction coefficient. Compared with the present glass wool, the thermal insulation effect of a thermal insulation board made from the glass wool provided by the invention can be distinctly improved at the same thickness.
Description
Technical field
The invention belongs to field of heat insulating materials, relate to a kind of glass wool, more specifically, the present invention relates to the glass wool that a kind of thermal conductivity factor is low.
Background technology
Glass wool belongs to a classification in glass fibre, is a kind of manmade inorganic fibre.Glass wool is by melten glass fibration, and form the material of cotton like, chemical composition belongs to category of glass, is a kind of inorganic fibre.Have that good moldability, bulk density are little, thermal conductivity Go-to-and-fro, insulation is adiabatic, sound absorption qualities is good, corrosion-resistant, stable chemical performance.
Glass wool in the market divides the formaldehyde-free glass wool of white and yellow phenolic resins glass wool two kinds.The formaldehyde-free glass wool of white mainly adopts cullet to be raw material, by melting, centrifugal, jetting into cotton, being then binding agent with formaldehydeless acrylic resin, making block of glass wool.The binding agent that on market, other glass wool adopts is phenolic resins color is yellow, for containing formaldehyde glass wool product not environmentally.
National building energy conservation special plan according to State Council issues: the Eleventh Five-Year Plan period, the building energy-saving standard that China performs is mainly 50% energy conservation standard, and the Eleventh Five-Year Plan end of term progressively brings up to the level of 65% energy conservation standard." 12 " period proposed new planning requirement: by 2015, and cities and towns new building performs the building energy-saving standard being not less than 65%, and cities and towns new building 95% reaches the requirement of building energy conservation mandatory standard.Beijing, Tianjin, Shanghai, four, Chongqing municipality directly under the Central Government and area with good conditionsi is encouraged to take the lead in implementing the standard of energy-conservation 75%.
The raising of energy conservation standard causes existing thickness on market to be that the glass wool of 2cm cannot meet the demands; And most glass wool enterprise have employed the way increasing glass wool thickness sacrifice building effective volume, this significantly will certainly adjust production and installation system, consume a large amount of manpowers, material resources, financial resources are also runed counter to the Long-term planning development of national building energy conservation simultaneously, are unfavorable for the sustainable development of society.Insulation in addition for the position of narrow space, pipeline complexity does not also have suitable material at present.Therefore, still demand is existed for the glass wool that thermal conductivity factor is low.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the object of this invention is to provide a kind of new glass wool, it has low thermal conductivity.
According to object of the present invention, glass wool provided by the invention, it comprises many glass fibres, wherein, has nano particle in the surface attachment of described glass fibre.
It will be appreciated by those skilled in the art that term " many " refers to more than or equals 2.
The average grain diameter of described nano particle is nanoscale, has high specific area, is easily attached on the surface of described glass fibre.Glass wool of the present invention, the nano particle that the surface of the glass fibre comprised by it is adhered to, be that face between glass fibre contacts the point cantact changed between nano particle of the present invention by the glass wool of prior art, thus significantly can reduce the heat transfer of glass wool, thus glass wool is made to have low thermal conductivity.
It will be appreciated by those skilled in the art that the nano particle with any particle diameter that can reach above-mentioned effect is all applicable to the present invention.
Preferably, the average grain diameter of described nano particle can for being greater than 0 ~ about 100nm.Such as, can be about 1nm, about 3nm, about 5nm, about 10nm, about 20nm, about 30nm, about 40nm, about 50nm, about 60nm, about 70nm, about 80nm, about 90nm or about 100nm.When the average grain diameter of described nano particle is above-mentioned numerical value, the volume of the cavity formed between the glass fibre of glass wool of the present invention and nano particle and between nano particle and nano particle is little, air molecule wherein substantially loses free-pouring ability and is attached on cavity wall, glass wool of the present invention is in and is similar to vacuum state, thus the thermal convection current of glass wool can be reduced, thus glass wool is made to have low thermal conductivity.
More preferably, the average grain diameter of described nano particle can for being greater than 0 ~ about 60nm.Such as, can be about 1nm, about 3nm, about 5nm, about 10nm, about 20nm, about 30nm, about 40nm, about 50nm or about 60nm.When the average grain diameter of described nano particle is above-mentioned numerical value, the volume of the cavity formed between the glass fibre of glass wool of the present invention and nano particle and between nano particle and nano particle reduces further, air molecule wherein loses free-pouring ability further and is attached on cavity wall, glass wool of the present invention is in further and is similar to vacuum state, thus the thermal convection current of glass wool can be reduced further.
Further preferably, the average grain diameter of described nano particle can be about 10nm ~ about 20nm.Such as, can be about 11nm, about 12nm, about 13nm, about 14nm, about 15nm, about 16nm, about 17nm, about 18nm, about 19nm or about 20nm.When the average grain diameter of described nano particle is above-mentioned numerical value, described nano particle commercially can easily obtain and advantage of lower cost; Thus make described glass wool also have relatively low cost while reduction thermal convection current.
Preferably, the weight of described nano particle is less than or equal to 20% of described glass fiber weight.Such as, can be about 1%, 2%, 4%, 6%, 8%, 10%, 12%, 14%, 15%, 18% or 20%.Now, the thickness of the nanoparticle layers of described nano particle formation is less than the diameter of described glass fibre.The too thick meeting of described nanoparticle layers makes cost increase, and the contact area increase between glass fibre can increase solid conductive heat, thus the reduction of not interests thermal conductivity factor.
It will be understood by those skilled in the art that the lower limit of the weight of described nano particle be described glass fibre surface attachment at least one deck nano particle be advisable.
More preferably, the weight of described nano particle is 11% ~ 18% of described glass fiber weight.Such as, can be about 11%, 12%, 13%, 14%, 15%, 16%, 17% or 18%.Now, the nanoparticle layers that described nano particle is formed not only can avoid too much nano particle reunite thus heat conduction is increased, and very few nano particle can also be avoided to make contact between glass fibre thus heat trnasfer is increased.
Preferably, Nano-meter SiO_2 is comprised in described nano particle
2.Described Nano-meter SiO_2
2identical with the composition of glass wool, character is similar, compatible good, and low price, be applicable to industrialization.
Preferably, described nano particle forms nanoparticle layers.Form nanoparticle layers can ensure to make the face between glass fibre contact the point cantact become between nano particle.
Preferably, nanometer Al is comprised further in described nano particle
2o
3(nano-aluminium oxide).Described Nano-meter SiO_2
2specific area large, free energy is high, easily reunite during temperature height.Nanometer alchlor has higher stability, can by Nano-meter SiO_2
2separate thus effectively stop it to reunite.
Preferably, described nanometer Al
2o
3average grain diameter can be about 30nm ~ about 50nm.If particle diameter is too large, nanometer Al
2o
3self can assemble; If particle diameter is too little, cost is too high.
Preferably, described nanometer Al
2o
3weight be described Nano-meter SiO_2
25% ~ 10% of weight.Now, effective and cost is low.
Described glass fibre can be the glass fibre being suitable for preparing glass wool of operable any size in prior art.
Preferably, the diameter of described glass fibre is 5 μm ~ 8 μm.
Preferably, described glass wool pack is containing binding agent.
Preferably, the consumption of described binding agent is 5% ~ 15% of described glass fibre and nano particle gross weight.The consumption of described binding agent is very few, and the intensity of glass wool can be caused low; The consumption of described binding agent is too much, although glass wool intensity is high, binding agent is organic matter, the index that glass wool can be made not reach combustibility A level do not fire.
More preferably, the consumption of described binding agent is 7% ~ 12% of described glass fibre and nano particle gross weight.Now, the intensity of glass wool and combustibility best.
Described binding agent can be that any of this area can by nano particle and/or the gluing binding agent of glass fibre.
Described binding agent includes but not limited to acrylic resin binder, phenolic resin adhesive.
Preferably, described binding agent can be the formaldehyde-free binder in patent document CN200680044591.6.
Further preferably, can admix in described nano particle and have infrared light screening agent particle.
Described infrared light screening agent particle can carry out reflection multilayer and/or Multiple Scattering, thus reduces the heat radiation of glass wool.
It will be appreciated by those skilled in the art that any infrared light screening agent particle that can reach above-mentioned effect is all applicable to the present invention.
Described infrared light screening agent particle can include but not limited to SiC (carborundum) particle, BN (boron nitride) particle, ZrSiO
4(zircon) particle or KT
6(potassium hexatitanate) particle.
Preferably, described infrared light screening agent particle is SiC particle.It has better and stable Infrared extinction capability in wide in range wave-length coverage.
Preferably, the average grain diameter of described infrared light screening agent particle can be about 1.5 μm ~ about 5 μm.Such as, can be about 1.5 μm, about 1.8 μm, about 2 μm, about 2.5 μm, about 3 μm, about 3.5 μm, about 4 μm, about 4.5 μm or about 5 μm.The extinction capability had within the scope of this.
More preferably, the average grain diameter of described infrared light screening agent particle can be about 2 μm ~ about 4 μm.Such as, can be about 2 μm, about 2.5 μm, about 3 μm, about 3.2 μm, about 3.5 μm, about 3.8 μm or about 4 μm.There is better extinction capability within the scope of this.
Further preferably, the particle diameter of described infrared light screening agent particle can be about 3 μm.Now, there is best extinction capability.
Preferably, SiO in described infrared light screening agent and described nano particle
2weight ratio be 0.8 ~ 1.2:1.
More preferably, SiO in described infrared light screening agent and described nano particle
2weight ratio be 1:1.
Most preferably, glass wool provided by the invention, it comprises many glass fibres, wherein, has nanoparticle layers in the surface attachment of described glass fibre; The diameter of described glass fibre is 5 μm ~ 8 μm; The average grain diameter of described nano particle is about 10nm ~ about 20nm, and weight is 11% ~ 18% of described glass fiber weight; Nano-meter SiO_2 is comprised in described nano particle
2, nanometer Al
2o
3and binding agent, and blending has infrared light screening agent particle; Described nanometer Al
2o
3average grain diameter be about 30nm ~ about 50nm, weight is Nano-meter SiO_2
25% ~ 10% of weight; The consumption of described binding agent is 7% ~ 12% of described glass fibre and nano particle gross weight, is acrylic resin binder or phenolic resin adhesive; Described infrared light screening agent particle is SiC particle, and average grain diameter is about 3 μm, with SiO
2weight ratio be 1:1.
In addition, the invention provides the preparation method of above-mentioned glass wool, it comprises the following steps: be attached to by described nano particle on the surface of described glass fibre.
Preferably, the surface described nano particle being attached to described glass fibre can adopt following method to carry out:
Mix described nano particle with described glass fibre, stir or contain at the surface spraying of described glass fibre the solution of described nano particle, make nano particle be attached on the surface of glass fibre, obtain the compound of nano particle and glass fibre.
The solvent of the described solution containing described nano particle can be suspended wherein by nano particle and be convenient to the solvent of spraying, such as, can be water, ethanol or propyl alcohol.
Preferably, the average grain diameter of described nano particle can for being greater than 0 ~ about 100nm.Such as, can be about 1nm, about 3nm, about 5nm, about 10nm, about 20nm, about 30nm, about 40nm, about 50nm, about 60nm, about 70nm, about 80nm, about 90nm or about 100nm.
More preferably, the average grain diameter of described nano particle can for being greater than 0 ~ about 60nm.Such as, can be about 1nm, about 3nm, about 5nm, about 10nm, about 20nm, about 30nm, about 40nm, about 50nm or about 60nm.
Further preferably, the average grain diameter of described nano particle can be about 10nm ~ about 20nm.Such as, can be about 11nm, about 12nm, about 13nm, about 14nm, about 15nm, about 16nm, about 17nm, about 18nm, about 19nm or about 20nm.
Preferably, the consumption of described nano particle is less than or equal to 20% of described glass fiber weight.
More preferably, the consumption of described nano particle is 11% ~ 18% of described glass fiber weight.
Preferably, described nano particle comprises Nano-meter SiO_2
2.
Preferably, described nano particle forms nanoparticle layers.
Preferably, described nano particle comprises nanometer Al further
2o
3.
Preferably, described nanometer Al
2o
3average grain diameter can be about 30nm ~ about 50nm.
Preferably, described nanometer Al
2o
3weight be described Nano-meter SiO_2
25% ~ 10% of weight.
Described glass fibre can be the glass fibre being suitable for preparing glass wool of operable any size in prior art.
Preferably, the diameter of described glass fibre is 5 μm ~ 8 μm.
Further preferably, can admix in described nano particle and have infrared light screening agent particle.
Described infrared light screening agent particle can include but not limited to SiC particle, BN particle, ZrSiO
4particle or KT
6particle.
Preferably, described infrared light screening agent particle is SiC particle.
Preferably, the average grain diameter of described infrared light screening agent particle is about 1.5 μm ~ about 5 μm.Such as, can be about 1.5 μm, about 1.8 μm, about 2 μm, about 2.5 μm, about 3 μm, about 3.5 μm, about 4 μm, about 4.5 μm or about 5 μm.
More preferably, the average grain diameter of described infrared light screening agent particle is about 2 μm ~ about 4 μm.Such as, can be about 2 μm, about 2.5 μm, about 3 μm, about 3.2 μm, about 3.5 μm, about 3.8 μm or about 4 μm.
Further preferably, the particle diameter of described infrared light screening agent particle is about 3 μm.
Preferably, described infrared light screening agent and SiO
2weight ratio be 0.8 ~ 1.2:1.
More preferably, described infrared light screening agent and SiO
2weight ratio be 1:1.
The preparation method of above-mentioned glass wool provided by the invention, further comprising the steps:
The solution of compound spraying containing binding agent of the nano particle prepared to above-mentioned steps and glass fibre.
Preferably, the consumption of described binding agent is 5% ~ 15% of described glass fibre and nano particle gross weight.More preferably, the consumption of described binding agent is 7% ~ 12% of described glass fibre and nano particle gross weight.
Described binding agent can be that any of this area can by nano particle and/or the gluing binding agent of glass fibre.
Described binding agent includes but not limited to acrylic resin binder, phenolic resin adhesive.
Preferably, described binding agent can be the formaldehyde-free binder in patent document CN200680044591.6.
The solvent of the described solution containing binding agent can for being dissolved wherein by binding agent and being convenient to the solvent of spraying, such as, can be water, ethanol or propyl alcohol.
Described stirring can adopt any method well known by persons skilled in the art to carry out.Such as, machine,massing is adopted to stir.The rotating speed of described stirring can be about 100rpm.
Described spraying can adopt any method well known by persons skilled in the art to carry out.Such as, high-pressure spray gun device is adopted to spray.
Preferably, the preparation method of described glass wool may further include following steps:
Product above-mentioned steps obtained is compressing, is then heating and curing.
Preferably, described solidification is in 80 DEG C of heating 4 hours.
In addition, above-mentioned glass wool provided by the invention may be used for the purposes such as insulation, thermal insulation.
Glass wool provided by the invention, because it has low thermal conductivity, therefore, compared with the glass wool of prior art, under the prerequisite that the warming plate thickness made is identical, the warming plate that glass wool of the present invention is made can significantly improve insulation and the insulation effect of warming plate.
Concrete, glass wool provided by the invention may be used for following field:
Conventional field of thermal insulation: heating and ventilation project and architectural exterior insulation; Ship domain: the thermal insulation of the smokejack of main navigation data logger, turbine and sustainer; The insulation of power plant, steel mill equal energy source consumption-type enterprise; Field of track traffic: the thermal insulation of bullet train smokejack and vehicle-mounted data recorder, the thermal insulation of floor compartment, the thermal insulation of locomotive smokejack system; Petrochemical field: the heat loss controlling pipeline; Power plant: the thermal insulation of pipeline.
The warming plate that glass wool of the present invention is made, owing to significantly reducing the thermal conductivity factor of glass wool, therefore can meet new power conservation requirement on the basis of existing thickness.The specification that the warming plate that glass wool of the present invention is made can not change construction system and product under new form carrys out the power conservation requirement of satisfied new country, produces and construction brings great convenience for enterprise.
Accompanying drawing explanation
Fig. 1 is the schematic diagram carrying on the back warm experimental provision.
Fig. 2 is the side cross-sectional view that of glass wool of the present invention is attached with the glass fibre of nano particle.Dark circular region in figure is the cross section of glass fibre, and the powder on fiberglass surfacing is nano particle.
Fig. 3 is the temperature profile carrying on the back warm experimental result.
Detailed description of the invention
Below by embodiment, the present invention is further described in more detail.Should be appreciated that these embodiments only for concrete example and explanation, can not form for restriction of the present invention.
Thermal conductivity factor is the important indicator of the ability of the direct heat conduction of material.Under same thickness, equal densities condition, thermal conductivity factor is lower, and the heat-insulating property of material is better.Macro manifestations is: the bi-material of same thickness, equal densities is given and identical thermal source in one side, and because thermal conductivity factor is different, the temperature of another side can be different.
The experiment of back of the body temperature is a kind of effective measuring method directly perceived, can go embodiment directly perceived in laboratory by the experiment of back of the body temperature.Back of the body temperature in the application tests the equipment that adopts as shown in Figure 1.Fig. 1 is the schematic diagram (digital readout temperature controller (data acquisition (adding that high-precision sensor is assembled into according to the split type logging recorder of YK-19 series) carrying on the back warm experimental provision.Wrapped up by alumina silicate fibre thermal insulation layer around test sample, top is enclosed with and suppresses air flowing back-up ring, and the hot side of test sample provides heat by heating stone or metal plate for standing a stove on as a precaution against fire heating heat conduction steel plate, controls hot-face temperature by digital readout temperature controller.Thermocouple is positioned over respectively the upper and lower surface of test sample, i.e. huyashi-chuuka (cold chinese-style noodles) and hot side, from heating, utilize computer software record to test hot side and the coldface temperature of sample, intra-record slack byte is 5min/ time.Heat face constant temperature when hot-face temperature arrives 500 DEG C of time controls, continue to read coldface temperature until coldface temperature is stablized.
The instrument that the diameter measuring glass fibre uses is scanning electronic microscope.
Machine,massing is the product of MIT's manufacturer production.
Fig. 2 is the side cross-sectional view that of glass wool of the present invention is attached with the glass fibre of nano particle.Dark circular region in figure is the cross section of glass fibre, and the powder on fiberglass surfacing is nano particle.
In Fig. 3, described hot side is near the temperature that the digital readout temperature controller of heating stone or metal plate for standing a stove on as a precaution against fire measures in Fig. 1.For different test samples, the temperature curve of hot side is constant.
In Fig. 3, described huyashi-chuuka (cold chinese-style noodles) is away from the temperature (being heat through the temperature after test sample) that the digital readout temperature controller of heating stone or metal plate for standing a stove on as a precaution against fire measures in Fig. 1.
Glass wool raw cotton is stirred 3 times with the rotating speed of 100r/min in machine,massing, each 3 minutes, make glass wool raw cotton form glass fibre.The diameter of this glass fibre is 7.34 μm.
Comparative example 1
In the above-mentioned glass fibre of 73g, spray into the acrylic resin binder of 8g, put into mould afterwards and use YES-300 pressure testing machine compressing.In pressing process, first pressurizeed slowly by the rate of application of controlled pressure until sample to reach 2cm thick, stop pressure conveying.Then compressing sample is put into baking oven, within 4 hours, make it solidify 80 DEG C of heated at constant temperature, namely obtain glass wool.
Carry on the back warm measuring result as shown in Figure 3.Visible, the hot side of this glass wool and the maximum temperature difference of huyashi-chuuka (cold chinese-style noodles) 1 are only 33 degree.
Embodiment 1
Nano-meter SiO_2
2, there is following fundamental property: specific area is 200 ± 25m
2/ g; Loss on drying is 1% (100 DEG C of dry 2h); Burning decrement is 4% (1000 DEG C of calcination 2h); Purity is 99.8%; Suspension pH value is 3.7 ~ 4.7 (aqueous suspensions of 4%); Bulk density is 50g/L; Particle size range is 10nm ~ 20nm; Average grain diameter is about 15nm.
By the Nano-meter SiO_2 of 11g
2join in the above-mentioned glass fibre of 73g, stir 1 hour with the rotating speed of 100r/min, nano particle is evenly attached on the surface of glass fibre, obtains the compound of nano particle and glass fibre.
In the compound of above-mentioned nano particle and glass fibre, spray into the acrylic resin binder (direct spraying is provided by factory) of 8g, put into mould afterwards and use YES-300 pressure testing machine compressing.In pressing process, first pressurizeed slowly by the rate of application of controlled pressure until sample to reach 2cm thick, stop pressure conveying.Then compressing sample is put into baking oven, within 4 hours, make it solidify 80 DEG C of heated at constant temperature, namely obtain glass wool of the present invention.
Carry on the back warm measuring result as shown in Figure 3.Visible, the hot side of this glass wool and the maximum temperature difference of huyashi-chuuka (cold chinese-style noodles) 2 are 51 degree.
Embodiment 2
Except adding the Nano-meter SiO_2 of 5.5g
2(particle size range is 2 μm ~ 4 μm with the carborundum of 5.5g; Average grain diameter is about 3 μm) outside, adopt and prepare glass wool of the present invention with embodiment 1 same procedure.
Carry on the back warm measuring result as shown in Figure 3.Visible, the hot side of this glass wool and the maximum temperature difference of huyashi-chuuka (cold chinese-style noodles) 3 are 131 degree, and the trend having gap constantly to expand.
Embodiment 3
Except adding the Nano-meter SiO_2 of 5.5g
2, 5.0g carborundum (particle size range is 2 μm ~ 4 μm; Average grain diameter is about 3 μm), 0.5g nanometer Al
2o
3outside (average grain diameter is about 30nm ~ about 50nm), adopts and prepare glass wool of the present invention with embodiment 1 same procedure.
Carry on the back the display of warm measuring result, the effect of heat insulation of this glass wool is better than embodiment 2.
Claims (9)
1. a glass wool, it comprises many glass fibres, it is characterized in that, has nano particle in the surface attachment of described glass fibre; Nano-meter SiO_2 is comprised in described nano particle
2; The average grain diameter of described nano particle is for being greater than 0 ~ about 100nm; The weight of described nano particle is less than or equal to 20% of described glass fiber weight.
2. glass wool according to claim 1, is characterized in that, the average grain diameter of described nano particle is for being greater than 0 ~ about 60nm.
3. glass wool according to claim 1, is characterized in that, the weight of described nano particle is 11% ~ 18% of described glass fiber weight; The average grain diameter of described nano particle is about 10nm ~ about 20nm.
4. glass wool according to claim 1, is characterized in that, described nano particle forms nanoparticle layers.
5. the glass wool according to claim 1 or 4, is characterized in that, comprises nanometer Al in described nano particle
2o
3.
6. glass wool according to claim 5, is characterized in that, described nanometer Al
2o
3average grain diameter be about 30nm ~ about 50nm; Described nanometer Al
2o
3weight be described Nano-meter SiO_2
25% ~ 10% of weight.
7. glass wool according to claim 1, is characterized in that, the diameter of described glass fibre is 5 μm ~ 8 μm.
8. glass wool according to claim 1, is characterized in that, described glass wool pack is containing binding agent; The consumption of described binding agent is 5% ~ 15% of described glass fibre and nano particle gross weight; Described binding agent is acrylic resin binder or phenolic resin adhesive.
9. a glass wool, it comprises many glass fibres, it is characterized in that, has nanoparticle layers in the surface attachment of described glass fibre; The diameter of described glass fibre is 5 μm ~ 8 μm; The average grain diameter of described nano particle is about 10nm ~ about 20nm, and weight is 11% ~ 18% of described glass fiber weight; Nano-meter SiO_2 is comprised in described nano particle
2, nanometer Al
2o
3and binding agent; Described nanometer Al
2o
3average grain diameter be about 30nm ~ about 50nm, weight is Nano-meter SiO_2
25% ~ 10% of weight; The consumption of described binding agent is 7% ~ 12% of described glass fibre and nano particle gross weight, is acrylic resin binder or phenolic resin adhesive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510564370.2A CN105274730A (en) | 2015-09-07 | 2015-09-07 | Glass wool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510564370.2A CN105274730A (en) | 2015-09-07 | 2015-09-07 | Glass wool |
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|---|---|
| CN105274730A true CN105274730A (en) | 2016-01-27 |
Family
ID=55144515
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|---|---|---|---|
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2015
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Application publication date: 20160127 |
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