CN103332866B - A kind of glass fibre - Google Patents
A kind of glass fibre Download PDFInfo
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- CN103332866B CN103332866B CN201310306109.3A CN201310306109A CN103332866B CN 103332866 B CN103332866 B CN 103332866B CN 201310306109 A CN201310306109 A CN 201310306109A CN 103332866 B CN103332866 B CN 103332866B
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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
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
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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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
- C03C3/112—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine
- C03C3/115—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron
- C03C3/118—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron containing aluminium
Abstract
The present invention provides a kind of glass fibre, including following components: the SiO of 58～63wt%2；The Al of 9～13wt%2O3；The CaO of 18～24wt%；The MgO of 1～4wt%；The TiO of 2～4wt%2；The ZnO of 2～4wt%；The Fe of 0.05～0.3wt%2O3；Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.2～1wt%；Described TiO2It is 5～7wt% with the weight/mass percentage composition sum of ZnO.The refractive index of described glass fibre is 1.581～1.587, has good matching with the refractive index of polycarbonate resin.Secondly, its density is suitable, close with the density of common alkali-free glass, when being replaced common alkali-free glass to be used as enhancing PC resin, it is ensured that composite light.It addition, it has good mechanical property and chemical stability.
Description
Technical field
The present invention relates to glass fibre field, particularly to glass fibre.
Background technology
Glass fibre is as the Inorganic Non-metallic Materials of a kind of excellence, hot strength is high, and specific strength is big, temperature tolerance, corrosion resistance and good, heat insulation, sound insulation, do not fire, be widely used in electronics, electrically, automobile, aviation, naval vessel, environmental protection, chemical industry, the national economy such as building every field.Glass fibre, according to glass ingredient, can be divided into alkali-free glass fibre, chemical resistant glass fiber, high alkali glass fibre, medium-alkali glass fibre, high strength glass fiber etc..Wherein alkali-free glass fibre (E glass is the next) is most widely used a kind of glass fibre.
Glass fibre is often used as the reinforcing agent of composite, to improve the performance of composite.For Merlon (PC) composite of glass fiber reinforcement, the light transmission excellent in order to not affect PC itself, it is desirable to the refractive index of glass fibre should be as far as possible close with PC.The refractive index of PC is higher, and its value is 1580～1.590, and the refractive index of common ER glass fibre is typically in about 1.545.Therefore, the light transmission of glass fiber reinforcement PC composite to be kept, the refractive index of existing glass fibre should be properly increased so that it is mate with PC.
But in alkali-free glass fibre development course, people are many it is considered that improve Fiberglass machine performance, for improving fiberglass refractive index, presently relevant research is also few.
Japanese Patent Laid-Open 5～155638 discloses a kind of glass fiber compound for strengthening polycarbonate resin, and its composition includes (percentage by weight): SiO254～62%, Al2O38～12%, CaO18～22%, TiO20.5～1.9%, MgO0～5%, ZnO0～5%, BaO0～5%, ZrO20.6～5%, Li2O+Na2O+K2O0～1%, the refractive index of this glass fibre is 1.5700～1.6000.
A kind of polycarbonate resin glass fiber for reinforcing disclosed in Chinese patent CN200580015038.5, it includes B2O3With without B2O3Two types.Wherein contain B2O3Fiberglass component include (percentage by weight): SiO250～60%, Al2O310～15%, CaO15～25%, TiO22～10%, B2O32～8%, MgO0～5%, ZnO0～5%, BaO0～5%, ZrO20～5%, Li2O0～2%, Na2O0～2%, K2O0～2%, Li2O+Na2O+K2O0～2%, the refractive index of this glass fibre is 1.580～1.590.
Without B2O3Fiberglass component include (percentage by weight): SiO250～60%, Al2O310～15%, CaO15～25%, TiO24.1～5%, MgO0～5%, ZnO0～5%, BaO0～5%, ZrO20～5%, Li2O0～2%, Na2O0～2%, K2O0～2%, Li2O+Na2O+K2O0～2%, ZnO+BaO1～5%, TiO2+ZnO+BaO+ZrO26～8%, the refractive index of this glass fibre is 1.583～1.586.
Chinese patent CN200910002941.8 discloses a kind of similar polycarbonate resin glass fiber for reinforcing, and its combination wants component to include (percentage by weight): SiO250～60%, Al2O310～15%, CaO15～25%, TiO23～5%, MgO0～5%, ZnO0～5%, BaO0～5%, ZrO20～5%, Li2O0～2%, Na2O0～2%, K2O0～2%, Li2O+Na2O+K2O0～2%, ZrO22～5%, ZnO+BaO+ZrO22～5%, the refractive index of this glass fibre is 1.583～1.586.
Although these disclosed technical scheme significantly improve the refractive index of glass fibre, but technique scheme is all mentioned in glass ingredient, adds a certain amount of BaO and ZrO2, this can make the density of glass increase, and then increases the Unit Weight of end article, weakens the light high-strength advantage of composite.Meanwhile, BaO introduction volume is too high, can affect the intensity of glass fibre, and ZrO2Introduction volume is too high, then can increase devitrification of glass tendency, increase glass fibre molding difficulty.
Summary of the invention
Present invention solves the technical problem that and be in that to provide a kind of glass fibre that can be used for strengthening transparent PC resin there is higher refractive index, and density is suitable, thus ensureing the light of final composite.
The invention discloses a kind of glass fibre, including following components:
The SiO of 58～63wt%2；
The Al of 9～13wt%2O3；
The CaO of 18～24wt%；
The MgO of 1～4wt%；
The TiO of 2～4wt%2；
The ZnO of 2～4wt%；
The Fe of 0.05～0.3wt%2O3；
Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.2～1wt%；
Described TiO2It is 5～7wt% with the weight/mass percentage composition sum of ZnO.
Preferably, described Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.21～0.8wt%.
Preferably, including the Fe of 0.1～0.2wt%2O3。
Preferably, including the SiO of 60.2～62wt%2。
Preferably, the Al of described 10～12wt%2O3。
Preferably, the MgO of described 1.01～3wt%.
Preferably, the TiO of described 2.01～2.8wt%2。
Preferably, including following components:
60.2 the SiO of～62wt%2；
The Al of 10～12wt%2O3；
The CaO of 18～24wt%；
The MgO of 1～3wt%；
The TiO of 2～2.8wt%2；
The ZnO of 2～4wt%；
The Fe of 0.1～0.2wt%2O3；
Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.2～0.8wt%；
Described TiO2It is 5～6.5wt% with the weight/mass percentage composition sum of ZnO；
The refractive index of described glass fibre is 1.581～1.587, and its forming temperature is less than 1260 DEG C, and crystallize ceiling temperature is less than 1200 DEG C.
Preferably, including following components:
The SiO of 60.2wt%2；
The Al of 10.5wt%2O3；
The CaO of 21.1wt%；
The MgO of 1.1wt%；
The TiO of 2.8wt%2；
The ZnO of 3.3wt%；
The Fe of 0.1wt%2O3；
Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.6wt%；
Described TiO2It is 6.1wt% with the weight/mass percentage composition sum of ZnO.
Compared with prior art, the glass fibre of the present invention, including following components: the SiO of 58～63wt%2；The Al of 9～13wt%2O3；The CaO of 18～24wt%；The MgO of 1～4wt%；The TiO of 2～4wt%2；The ZnO of 2～4wt%；The Fe of 0.05～0.3wt%2O3；Described Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.2～1wt%；Described TiO2It is 5～7wt% with the weight/mass percentage composition sum of ZnO.The refractive index of glass fibre of the present invention is 1.581～1.587, has good matching with the refractive index of polycarbonate resin, is the transparency that can better retain composite being added in polycarbonate resin as reinforcing agent.Secondly, the density of glass fibre of the present invention is suitable, close with the density of common alkali-free glass, when being replaced common alkali-free glass to be used as enhancing PC resin, will not increase the proportion of composite, it is ensured that composite light.It addition, described glass fibre has good mechanical property and chemical stability.
Detailed description of the invention
In order to be further appreciated by the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but it is to be understood that these describe simply as further illustrating the features and advantages of the present invention, rather than limiting to the claimed invention.
The embodiment of the invention discloses a kind of glass fibre, including following components:
The SiO of 58～63wt%2；
The Al of 9～13wt%2O3；
The CaO of 18～24wt%；
The MgO of 1～4wt%；
The TiO of 2～4wt%2；
The ZnO of 2～4wt%；
The Fe of 0.05～0.3wt%2O3；
Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.2～1wt%；
Described TiO2It is 5～7wt% with the weight/mass percentage composition sum of ZnO.
The glass fibre of the present invention is the alkali-free glass fibre for polycarbafil resin.Described glass fibre includes SiO2、Al2O3、CaO、MgO、TiO2、ZnO、Fe2O3、Li2O、Na2O and K2O。
In the present invention, silicon dioxide (SiO2) it is one of main oxides forming glass network, it acts primarily as the effect improving the mechanical strength of glass, chemical stability and heat stability, but too high levels can increase viscosity and the fusion temperature of glass, makes glass fibre be difficult to molding.Described SiO2Weight/mass percentage composition is 58～63wt%, it is preferred to 60.2～62wt%.
In the present invention, aluminium oxide (Al2O3) also it is one of main oxides forming glass network, it has the effect reducing devitrification of glass tendency, raising glass machinery intensity, if but Al2O3Content, more than 15%, can make again glass viscosity excessive, glass fibroblast difficulty, is also easy to devitrification problem occur.Al of the present invention2O3Content is 9～13wt%, it is preferred to 10～12wt%.
In the present invention, calcium oxide (CaO) and magnesium oxide (MgO) broadly fall into glass structure network modifying oxide, have the effect reducing glass high temperature viscosity, improving devitrification of glass tendency.When CaO content is at 18～24wt%, when content of MgO is 1～4wt%, being possible not only to obtain desirable glass fibre completed state, the hot strength of this glass fibre and elastic modelling quantity also can significantly improve simultaneously.The weight/mass percentage composition of described MgO is preferably 1.01～3wt%.
In the present invention, titanium dioxide (TiO2) contribute to improving glass temperature flowing and tendency towards devitrification, improve Fiberglass machine performance and decay resistance.TiO simultaneously2There is obvious effect to improving glass refraction, but its content is no more than 4%, otherwise that glass colour impact is bigger.TiO in glass fibre of the present invention2Weight/mass percentage composition is 2～4wt%, it is preferred that be 2.01～2.8wt%.
Adding zinc oxide (ZnO) in glass fibre of the present invention, ZnO belongs to intermediate oxide in glass network structure, has glass ware forming condition of improving, improves the effect of glass refraction and chemical stability.In glass fibre of the present invention, ZnO weight/mass percentage composition is 2～4wt%.
In glass fibre chemistry forms, ferrum oxide (Fe2O3) be usually and brought into by other raw mineral materials with Impure forms, substantially without independent interpolation.Under not affecting the premise that glass fibre produces, Fe in glass fibre2O3Content does not generally do strict restriction.Therefore, consider for raw mineral materials purchase cost and high-quality raw mineral materials itself is day by day poor, most of glass fibre Fe2O3Content has the trend gradually risen.But in the present invention, owing to glass having been introduced into the TiO of high level2If, Fe2O3Content is also higher, then the color of glass can be significantly affected, and this is obviously unfavorable to the transparency of PC resin.So, considering cost of material, production difficulty and glass fiber quality, iron oxide content of the present invention is 0.05～0.3wt%, it is preferred to 0.1～0.2wt%.
Li2O、Na2O and K2O is alkali metal oxide, it is possible to be added in glass fibre of the present invention, and they contribute to reducing glass viscosity, improves devitrification of glass tendency.But alkali metal content is too high, intensity and the chemical stability of glass can be damaged.Li2O、Na2O and K2O does not generally also add specially, is mainly brought into by other raw material.Li in glass composition of the present invention2O、Na2O and K2O total content controls at 0.2～1wt%, it is preferred to 0.21～0.8wt%.
In the present invention, a kind of preferred scheme of described glass fibre is: the SiO of 60.2～62wt%2；The Al of 10～12wt%2O3；The CaO of 18～24wt%；The MgO of 1～3wt%；The TiO of 2～2.8wt%2；The ZnO of 2～4wt%；The Fe of 0.1～0.2wt%2O3；Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.2～0.8wt%；Described TiO2It is 5～6.5wt% with the weight/mass percentage composition sum of ZnO；The refractive index of described glass fibre is 1.581～1.587, and its forming temperature is less than 1260 DEG C, and crystallize ceiling temperature is less than 1200 DEG C.
Preferred scheme is: the SiO of 60.2wt%2；The Al of 10.5wt%2O3；The CaO of 21.1wt%；The MgO of 1.1wt%；The TiO of 2.8wt%2；The ZnO of 3.3wt%；The Fe of 0.1wt%2O3；Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.6wt%；Described TiO2It is 6.1wt% with the weight/mass percentage composition sum of ZnO.
The present invention is not particularly limited for the preparation method of glass fibre, is prepared according to tank furnace method well known to those skilled in the art.
Described tank furnace method is particularly as follows: go out needed raw material adding proportion according to the actual recipe calculation of glass；According to this ratio, various raw material quantitatives are delivered to blending bunker, are sufficiently mixed uniformly, obtain qualified batch；Batch is delivered to the furnace hopper of tank furnace, feeder is at the uniform velocity shipped to tank furnace；Batch after 1300-1500 DEG C of high-temperature heating, melted, clarification, homogenizing, forms qualified vitreous humour in tank furnace；Vitreous humour is cooled to forming temperature through operation path, then flows out through platinum bushing plate and forms glass fiber；Glass fiber is drawn into rapidly the glass fibre setting diameter under the high speed traction of wire drawing machine, is wound in spinning cake by wire drawing machine after spray cooling, coating wetting agent, boundling；In the automatic drying oven that program setting is good, spinning cake is dried, and obtains the glass fiber precursor dried, i.e. non-twist direct yarn.
The refractive index of the glass fibre of the present invention is 1.581～1.587, has good matching with the refractive index of polycarbonate resin, is the transparency that can better retain composite being added in polycarbonate resin as reinforcing agent.Secondly, the density of glass fibre of the present invention does not increase, close with the density of common alkali-free glass, when being replaced common alkali-free glass to be used as enhancing PC resin, will not increase the proportion of composite, it is ensured that composite light.3rd, described glass fibre has good mechanical property, its hot strength improves more than 10% than common E glass fibre, therefore desirable mechanical property can just be obtained with the glass fibre of lower loading, cost can not only be saved, be more beneficial for keeping the transparency of polycarbafil resin composite materials.4th, described glass fiber compound chemical stability, its acidproof, alkaline resistance properties and E～CR glass fibre are suitable.Therefore, glass fibre of the present invention when being used for strengthening transparent PC resin, will not variable color, inefficacy because of extraneous environmental corrosion, there is more stable, more long-acting service life.5th, described glass fibre has good productibility, and its forming temperature is less than 1260 DEG C, and crystallize ceiling temperature is less than 1200 DEG C, and production difficulty is suitable without boron free-floride alkali-free glass fibre with general, can accomplish scale production under existing tank furnace process conditions.
In order to be further appreciated by the present invention, below in conjunction with embodiment, glass fiber compound provided by the invention being illustrated, protection scope of the present invention is not limited by the following examples.
Embodiment 1～5
Adopting tank furnace method to prepare glass fibre, table 1 is the glass combination chemical constituent of each embodiment and comparative example, and unit is mass percent.
Needed raw material adding proportion is gone out according to the actual recipe calculation of glass；According to this ratio, various raw material quantitatives are delivered to blending bunker, are sufficiently mixed uniformly, obtain qualified batch；
Batch is delivered to the furnace hopper of tank furnace, feeder is at the uniform velocity shipped to tank furnace；
Batch after 1300～1500 DEG C of high-temperature heatings, melted, clarification, homogenizing, forms qualified vitreous humour in tank furnace；
Vitreous humour is cooled to forming temperature through operation path, then flows out through platinum bushing plate and forms glass fiber；Glass fiber is drawn into rapidly the glass fibre setting diameter under the high speed traction of wire drawing machine, is wound in spinning cake by wire drawing machine after spray cooling, coating wetting agent, boundling；
In the automatic drying oven that program setting is good, spinning cake is dried, and obtains the glass fiber precursor dried, i.e. non-twist direct yarn.
Glass fiber high-temperature viscosity adopts the BROOKFIELD high temperature viscosity instrument detection that ORTON company produces；Vitreous humour liquidus temperature adopts the detection of OrtonModel gradient furnace；Glass refraction adopts GB/T7962.1-2010 standard test.
In table 1, composition total content is slightly lower than or during more than 100%, it is possible to understand that be equivalent to impurity or a small amount of composition do not analyzed for, remaining amount, or what the acceptable error occurred in the analysis method taked caused.
Tlogη=3Represent that glass viscosity is 103Temperature during pool, is equivalent to the temperature of vitreous humour during glass fibre molding, also referred to as glass fibre forming temperature.
TLiquidRepresenting vitreous humour liquidus temperature, being equivalent to glass crystallization rate is temperature when 0, also corresponds to devitrification of glass temperature upper limit.
Δ T represents Tlogη=3-TLiquidDifference, be equivalent to glass fibre molding scope.
Table 2 is the glass fibre corrosion resistance detection data of embodiment 1 and comparative example 1～2 preparation.Detection method is powder weight-loss method: glass fibre is made powder, powder size 200～300 order, 60 DEG C of heating in water bath, soaks 24h.
Table 3 is embodiment 1 and the Fiberglass machine performance detection data of comparative example 1～2 preparation.Specimen in use is roving impregnation yarn (2400TEX, epoxy resin), examination criteria ASTMD2343-03.
Glass density adopts GB/T7962.20-2010 standard detection.
Comparative example 1
Adopting the tank furnace method identical with embodiment, prepare E glass fibre, concrete composition is referring to " glass fibre and mineral wool pandect " the 53rd～54 page.
Comparative example 2
Adopting the tank furnace method identical with embodiment, prepare E-CR glass fibre, concrete composition is referring to " glass fibre and mineral wool pandect " the 53rd～54 page.
The chemical composition of the glass fibre of each embodiment of table 1 and comparative example
The glass fibre corrosion resistance detection data of table 2 embodiment 1 and comparative example 1～2 preparation
The Fiberglass machine performance detection data of table 3 embodiment 1 and comparative example 1～2 preparation
Contrast table 1～3, can see with being apparent from, embodiments of the invention have the forming temperature (less than 1260 DEG C) close to E glass and liquidus temperature (less than 1200 DEG C), and forming temperature is at least high 50 DEG C than liquidus temperature, and this is highly beneficial for the molding of glass fibre.Meanwhile, the decay resistance of glass fibre of the present invention and mechanical performance are significantly better than that E glass.
The refractive index of glass fibre of the present invention is 1.581～1.587, with polycarbonate resin refractive index (1.580～1.590) in same level, thus during with glass fiber-reinforced polycarbonate resin composition of the present invention, it is thus achieved that goods can retain good light transmission.
The explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention carries out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (7)
1. a glass fibre, composed of the following components:
60.2 the SiO of～62wt%2；
The Al of 9～13wt%2O3；
The CaO of 18～24wt%；
The MgO of 1～4wt%；
The TiO of 2～4wt%2；
The ZnO of 2～4wt%；
The Fe of 0.05～0.3wt%2O3；
Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.21～0.8wt%；
Described TiO2It is 5～7wt% with the weight/mass percentage composition sum of ZnO.
2. glass fibre according to claim 1, it is characterised in that include the Fe of 0.1～0.2wt%2O3。
3. glass fibre according to claim 1, it is characterised in that the Al of 10～12wt%2O3。
4. glass fibre according to claim 1, it is characterised in that the MgO of 1.01～3wt%.
5. glass fibre according to claim 1, it is characterised in that the TiO of 2.01～2.8wt%2。
6. glass fibre according to claim 1, it is characterised in that composed of the following components:
60.2 the SiO of～62wt%2；
The Al of 10～12wt%2O3；
The CaO of 18～24wt%；
The MgO of 1～3wt%；
The TiO of 2～2.8wt%2；
The ZnO of 2～4wt%；
The Fe of 0.1～0.2wt%2O3；
Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.21～0.8wt%；
Described TiO2It is 5～6.5wt% with the weight/mass percentage composition sum of ZnO；
The refractive index of described glass fibre is 1.581～1.587, and its forming temperature is less than 1260 DEG C, and crystallize ceiling temperature is less than 1200 DEG C.
7. glass fibre according to claim 1, it is characterised in that composed of the following components:
The SiO of 60.2wt%2；
The Al of 10.5wt%2O3；
The CaO of 21.1wt%；
The MgO of 1.1wt%；
The TiO of 2.8wt%2；
The ZnO of 3.3wt%；
The Fe of 0.1wt%2O3；
Li2O、Na2O and K2The weight/mass percentage composition sum of O is 0.6wt%；
Described TiO2It is 6.1wt% with the weight/mass percentage composition sum of ZnO.
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| CN111233338B (en) * | 2019-12-19 | 2022-04-29 | 重庆国际复合材料股份有限公司 | High-refractive-index and high-performance glass fiber |
| CN114149677A (en) * | 2019-12-19 | 2022-03-08 | 重庆国际复合材料股份有限公司 | High-transparency glass fiber reinforced polycarbonate composite material and preparation method thereof |
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| US4026715A (en) * | 1973-03-19 | 1977-05-31 | Owens-Corning Fiberglas Corporation | Glass compositions, fibers and methods of making same |
| CN1950184A (en) * | 2004-05-13 | 2007-04-18 | 旭玻璃纤维股份有限公司 | Glass fiber for reinforcing polycarbonate resin and polycarbonate resin formed article |
| WO2011131761A1 (en) * | 2010-04-22 | 2011-10-27 | Rockwool International A/S | Friction material comprising chopped continuous mineral fibres |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL42018A (en) * | 1972-04-28 | 1977-10-31 | Owens Corning Fiberglass Corp | Fiberizable boron and fluorine free glass compositions |
| JPH05155638A (en) * | 1991-12-06 | 1993-06-22 | Nippon Electric Glass Co Ltd | Glass composition |
| JP3691126B2 (en) * | 1995-08-10 | 2005-08-31 | 三洋電機株式会社 | Hose for vacuum cleaner and its manufacturing method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026715A (en) * | 1973-03-19 | 1977-05-31 | Owens-Corning Fiberglas Corporation | Glass compositions, fibers and methods of making same |
| CN1950184A (en) * | 2004-05-13 | 2007-04-18 | 旭玻璃纤维股份有限公司 | Glass fiber for reinforcing polycarbonate resin and polycarbonate resin formed article |
| WO2011131761A1 (en) * | 2010-04-22 | 2011-10-27 | Rockwool International A/S | Friction material comprising chopped continuous mineral fibres |
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Address after: 400082 Dadukou District of Chongqing Bridge Industrial Park B District Patentee after: Chongqing international composite Limited by Share Ltd Address before: 400082 Chongqing Polycomp International Corporation Dadukou District of Chongqing Bridge Industrial Park B District Patentee before: Chongqing Polycomp International Corp. |