JPH06305773A - Long glass fiber - Google Patents
Long glass fiberInfo
- Publication number
- JPH06305773A JPH06305773A JP5102456A JP10245693A JPH06305773A JP H06305773 A JPH06305773 A JP H06305773A JP 5102456 A JP5102456 A JP 5102456A JP 10245693 A JP10245693 A JP 10245693A JP H06305773 A JPH06305773 A JP H06305773A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- weight
- temperature
- water resistance
- spinning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Inorganic Fibers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ガラス長繊維、特に引
張り強度が高く、耐水性に優れたガラス長繊維に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a continuous glass fiber, particularly a continuous glass fiber having high tensile strength and excellent water resistance.
【０００２】[0002]
【従来の技術】現在、商品名で「Ｅガラス」と呼ばれて
いるガラス組成の長繊維が大量に生産され、プラスチッ
ク補強用、ゴムベルト芯材、電気絶縁用などの各方面に
て広く用いられている。前記ガラスの粘性は低く、例え
ば紡糸温度の目安となる紡糸温度（粘度１０００ポアズ
における温度）は約１２００℃であり、このため溶融温
度及び紡糸温度が低く、容易に製造できる。しかしなが
ら、引っ張り強度が低く、また耐水性が劣るため、この
ような特性をを要求する用途においては使用できない。2. Description of the Related Art At present, long fibers having a glass composition called "E-glass" under the trade name are produced in large quantities and widely used in various fields such as for plastic reinforcement, rubber belt core materials, and electrical insulation. ing. The glass has a low viscosity, and for example, the spinning temperature (temperature at a viscosity of 1000 poise), which is a measure of the spinning temperature, is about 1200 ° C. Therefore, the melting temperature and the spinning temperature are low, and the glass can be easily manufactured. However, since it has low tensile strength and poor water resistance, it cannot be used in applications requiring such properties.
【０００３】一方、高強度を要求する用途には、ＭｇＯ
−Ａｌ2Ｏ3−ＳｉＯ2の３成分系のガラス繊維が用いら
れており、その基本的な組成は重量％で、 ＭｇＯ １０ Ａｌ2Ｏ3 ２５ ＳｉＯ2 ６５ である。（特公昭４８−３０１２５）このガラス組成物
の液相温度は１４７１℃（２６８０゜Ｆ）であり、紡糸
温度は約１４６０℃であり、Ｅガラスに比べ２６０℃以
上高く、溶融が困難であると共に紡糸温度より液相温度
が高く、紡糸において高温を要し、紡糸用の白金ポット
の寿命が短く、コストアップを招いている。On the other hand, for applications requiring high strength, MgO
A three-component glass fiber of —Al 2 O 3 —SiO 2 is used, and its basic composition is wt% and is MgO 10 Al 2 O 3 25 SiO 2 65. (Japanese Patent Publication No. 48-30125) The liquidus temperature of this glass composition is 1471 ° C. (2680 ° F.) and the spinning temperature is about 1460 ° C., which is higher than 260 ° C. higher than that of E glass and difficult to melt. The liquidus temperature is higher than the spinning temperature, a high temperature is required for spinning, the life of the platinum pot for spinning is short, and the cost is increased.
【０００４】前記ガラスの溶融性、紡糸性を改善するた
めに、ＭｇＯ−Ａｌ2Ｏ3−ＳｉＯ2の３成分に加え、第
４成分、さらには第５成分を加えた組成が開発されてい
る。この第４成分としてＢ2Ｏ3を加えたガラス組成物は
特公昭４２−２３５９３、特公平４−４８７３９に記載
されている。Ｂ2Ｏ3の原料は高価であり、コストアップ
を招き、さらに前記ガラス組成物の原料バッチを坩堝ま
たはホットトップの溶融炉で溶融するとＢ2Ｏ3が揮発
し、炉の寿命を短くすると共に、ガラス素地中に脈理な
どの不均質を招き、紡糸時の糸切れの原因となる。ま
た、第４成分としてＬｉ2Ｏを加えたガラス組成物が特
公昭４２−２３５９３、特公昭４３−１１７６２に、Ｐ
2Ｏ5を加えたガラス組成物が特開昭４８−３０７１７に
記載されているが、Ｌｉ2Ｏ及びＰ2Ｏ5の原料は高価で
あり、コストアップを招く。さらに、特公昭４５−１１
２２８には第４成分としてＡｓ2Ｏ3を加えた組成を有す
るガラス繊維が記載されているが、Ａｓ2Ｏ3は揮発の問
題とその毒性のため作業の安全上に問題がある。In order to improve the meltability and spinnability of the glass, a composition has been developed in which a fourth component and a fifth component are added in addition to the three components of MgO-Al 2 O 3 -SiO 2 . . The glass composition containing B 2 O 3 as the fourth component is described in JP-B-42-23593 and JP-B-4-48739. The raw material of B 2 O 3 is expensive and causes an increase in cost. Further, when the raw material batch of the glass composition is melted in a crucible or a hot-top melting furnace, B 2 O 3 is volatilized and the life of the furnace is shortened. In addition, it causes inhomogeneity such as striae in the glass substrate and causes yarn breakage during spinning. Further, glass compositions containing Li 2 O as a fourth component are disclosed in Japanese Examined Patent Publication Nos. 42-23593 and 43-11762.
A glass composition containing 2 O 5 is described in JP-A-48-30717, but the raw materials of Li 2 O and P 2 O 5 are expensive, which causes an increase in cost. Furthermore, Japanese Examined Japanese Patent Publication No. 45-11
228 describes a glass fiber having a composition to which As 2 O 3 is added as the fourth component, but As 2 O 3 has a problem in work safety due to a problem of volatilization and its toxicity.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、上記要求及
び従来技術の問題点に基づき、耐水性が良く、高強度を
有する繊維用のガラス組成物、特に、溶融時の揮発成
分、有害物及び毒物を含まず、低コストの前記繊維用ガ
ラス組成物およびガラス長繊維を提供することを目的と
する。SUMMARY OF THE INVENTION The present invention is based on the above-mentioned requirements and problems of the prior art, and is a glass composition for fibers having good water resistance and high strength, particularly volatile components during melting and harmful substances. It is an object of the present invention to provide a glass composition for fibers and a long glass fiber which are low in cost and do not contain poisonous substances.
【０００６】[0006]
【課題を解決するための手段】本発明は、本質的にＮａ
2Ｏ、ＭｇＯ、Ａｌ2Ｏ3、ＳｉＯ2から成り、かつこれら
の成分の割合が、重量％で Ｎａ2Ｏ ０.２〜１.５ Ｌｉ2Ｏ ０〜０.５ ＭｇＯ １２〜２０ Ａｌ2Ｏ3 １７〜２５ ＳｉＯ2 ６１〜６８ Ｂ2Ｏ3 ０〜０.５ であり、これらの合計が少なくとも９８重量％である組
成を有することを特徴とするガラス長繊維であり、さら
に重量％で Ｎａ2Ｏ ０.３〜１.３ Ｌｉ2Ｏ ０〜０.３ ＭｇＯ １３〜１８ Ａｌ2Ｏ3 １８〜２３ ＳｉＯ2 ６３〜６７ Ｂ2Ｏ3 ０〜０.５ であり、ＣａＯ＋ＳｒＯ＋ＴｉＯ2＋Ｆｅ2Ｏ3の合計が
０〜２重量％である組成を有することを特徴とするガラ
ス長繊維である。The present invention consists essentially of Na
2 O, MgO, Al 2 O 3 and SiO 2 , and the proportion of these components is Na 2 O 0.2-1.5 Li 2 O 0-0.5 MgO 12-20 Al 2 O 3 in percentage by weight. 17 to 25 SiO 2 61 to 68 B 2 O 3 0 to 0.5, and a long glass fiber characterized by having a composition in which the total of these is at least 98% by weight, and further by weight% Na 2 O 0.3 to 1.3 Li 2 O 0 to 0.3 MgO 13 to 18 Al 2 O 3 18 to 23 SiO 2 63 to 67 B 2 O 3 0 to 0.5, and the total of CaO + SrO + TiO 2 + Fe 2 O 3 is 0 to 2 weight. % Glass filaments having a composition of%.
【０００７】本発明者らは、本特許の課題を解決すべ
く、ＭｇＯ、Ａｌ2Ｏ3、ＳｉＯ2の３成分系のガラス組
成物について詳細に研究を行った結果、前記の限られた
組成範囲において、溶融性及び紡糸性に優れ、高強度の
繊維が製造可能であることを見いだした。更に研究を重
ねた結果、前記の限られた範囲のＮａ2Ｏを用いること
により、耐水性を向上させ、さらに溶融性及び紡糸性に
優れたガラス組成物が得られることを見いだした。前記
特公昭４３−１１７６２には第４成分としてＬｉ2Ｏが
加えられており、Ｎａ2Ｏ（Ｋ2Ｏ）を単独で、またはＬ
ｉ2Ｏと組み合わせて用いてもＬｉ2Ｏ単独よりも良い結
果は得られなかったことが記載されている。本研究者ら
がＮａ2ＯとＬｉ2Ｏの耐水性を比較した結果を第１図に
示す。この図は、下記ベース組成、重量％で、 ＭｇＯ １５ Ａｌ2Ｏ3 ２０ ＳｉＯ2 ６５ にＮａ2Ｏ及びＬｉ2Ｏを添加したガラスの耐水性につい
て日本光学硝子工業会規格 ＪＯＧＩＳ 光学ガラスの
化学的耐久性の測定方法（ただし８時間煮沸）に従って
測定した重量減（％）を示す。図より明らかなように、
Ｌｉ2Ｏを添加すると耐水性は低下し、Ｎａ2Ｏを上記範
囲内で添加すると耐水性は向上することが分かった。In order to solve the problems of the present patent, the present inventors have conducted a detailed study on a three-component glass composition of MgO, Al 2 O 3 and SiO 2 , and as a result, the above-mentioned limited composition It was found that in the range, fibers having excellent meltability and spinnability and having high strength can be produced. As a result of further studies, it was found that by using Na 2 O in the limited range described above, a glass composition having improved water resistance and excellent meltability and spinnability can be obtained. In Japanese Patent Publication No. 43-11762, Li 2 O is added as a fourth component, and Na 2 O (K 2 O) alone or L
It is described that when used in combination with i 2 O, better results were not obtained than with Li 2 O alone. The results of the comparison of the water resistance of Na 2 O and Li 2 O by the present researchers are shown in FIG. This figure shows the water resistance of a glass obtained by adding Na 2 O and Li 2 O to MgO 15 Al 2 O 3 20 SiO 2 65 with the following base composition and weight%. The weight loss (%) measured according to the durability measuring method (however, boiling for 8 hours) is shown. As is clear from the figure,
It was found that the addition of Li 2 O lowers the water resistance, and the addition of Na 2 O within the above range improves the water resistance.
【０００８】次に本発明の組成範囲の限定理由を説明す
る。Next, the reasons for limiting the composition range of the present invention will be explained.
【０００９】Ｎａ2Ｏ：粘性を下げると同時に、それ以
上に液相温度を低下させ、溶融性及び紡糸性を向上させ
るとともに、耐水性を向上させるのに有効である。１.
５重量％を越えると耐水性が低下する。より好ましくは
１．３％以下、さらに好ましくは１.０％以下である。
また、０.２重量％未満では、溶融性及び紡糸性を向上
の効果が小さく、より好ましくは０.３重量％以上であ
る。Na 2 O: It is effective for lowering the viscosity and further lowering the liquidus temperature to improve the meltability and spinnability, and to improve the water resistance. 1.
If it exceeds 5% by weight, the water resistance decreases. It is more preferably 1.3% or less, still more preferably 1.0% or less.
When it is less than 0.2% by weight, the effect of improving the meltability and spinnability is small, and more preferably it is 0.3% by weight or more.
【００１０】Ｌｉ2Ｏ：粘性を下げると同時に、それ以
上に液相温度を低下させ、溶融性及び紡糸性を向上させ
るが、耐水性が低下し、特に０.５重量％を越えると耐
水性低下が著しい。従ってＬｉ2Ｏの量は０〜０．５重
量％、より好ましくは０〜０．３重量％である。Li 2 O: The viscosity is lowered, and at the same time, the liquidus temperature is further lowered to improve the meltability and the spinnability, but the water resistance is lowered, and especially when it exceeds 0.5% by weight. The decrease is remarkable. Therefore, the amount of Li 2 O is 0 to 0.5% by weight, more preferably 0 to 0.3% by weight.
【００１１】ＭｇＯ：２０重量％を越えると紡糸温度よ
り液相温度が高くなりすぎ、紡糸が困難になる。より好
ましくは１８％以下である。また、１２重量％未満では
粘性が高くなりすぎ、溶融温度及び紡糸温度が高くな
る。より好ましくは１３重量％以上である。MgO: When it exceeds 20% by weight, the liquidus temperature becomes too higher than the spinning temperature and spinning becomes difficult. It is more preferably 18% or less. On the other hand, if it is less than 12% by weight, the viscosity becomes too high and the melting temperature and the spinning temperature become high. It is more preferably 13% by weight or more.
【００１２】Ａｌ2Ｏ3：２５重量％を越えると紡糸温度
より液相温度が高くなりすぎて紡糸が困難になる。より
好ましくは２３％以下である。また、１７重量％未満で
は耐水性が低下すると共に、紡糸温度より液相温度が高
くなりすぎ、紡糸が困難になる。より好ましくは１８重
量％以上、さらに好ましくは１９重量％以上である。If Al 2 O 3 exceeds 25% by weight, the liquidus temperature becomes higher than the spinning temperature and spinning becomes difficult. It is more preferably 23% or less. On the other hand, if it is less than 17% by weight, the water resistance is lowered and the liquidus temperature becomes too high above the spinning temperature, which makes spinning difficult. It is more preferably at least 18% by weight, and even more preferably at least 19% by weight.
【００１３】ＳｉＯ2：６８重量％を越えると粘性が高
くなりすぎ、溶融温度及び紡糸温度が高くなる。より好
ましくは６７％以下、さらに好ましくは６６重量％以下
である。である。また、６１重量％未満では、紡糸温度
より液相温度が高くなりすぎ、紡糸が困難になる。より
好ましくは６３重量％以上である。SiO 2 : When it exceeds 68% by weight, the viscosity becomes too high, and the melting temperature and the spinning temperature become high. It is more preferably 67% or less, still more preferably 66% by weight or less. Is. On the other hand, if it is less than 61% by weight, the liquidus temperature becomes too higher than the spinning temperature and spinning becomes difficult. More preferably, it is 63% by weight or more.
【００１４】Ｂ2Ｏ3：溶融温度及び紡糸温度の低下に有
効であるが、揮発により炉の寿命が短くなり、またコス
トアップを招くため、０．５重量％以下とする。B 2 O 3 : It is effective for lowering the melting temperature and the spinning temperature, but volatilization shortens the life of the furnace and raises the cost, so the content is made 0.5% by weight or less.
【００１５】以上の他に、不純物として混入するＫ
2Ｏ、アルカリ土類酸化物（ＣａＯ，ＳｒＯ）、Ｔｉ
Ｏ2，Ｆｅ2Ｏ3などを２重量％以下含有しても良い。た
だしＡｓ2Ｏ3、およびＦ2は毒物、有害物であり実質的
に含まないが、それぞれ０．０５重量％以下であれば混
入不純物として許容される。In addition to the above, K mixed as an impurity
2 O, alkaline earth oxides (CaO, SrO), Ti
O 2, Fe 2 O 3 and the like may be contained 2 wt% or less. However, As 2 O 3 and F 2 are toxic substances and harmful substances and are not substantially contained, but if each is 0.05 wt% or less, they are acceptable as impurities.
【００１６】本発明のガラス長繊維は、用途によって異
なるが通常２〜２０μｍの直径を有する。The long glass fiber of the present invention usually has a diameter of 2 to 20 μm, although it depends on the application.
【００１７】[0017]
【実施例】本発明における８種の実施例と４種の比較例
の組成及び得られたガラスの紡糸温度、液相温度、耐水
性テストにおける重量減（％）及びモノフィラメント強
度の測定結果を第１表に示す。EXAMPLES The compositions of eight examples and four comparative examples according to the present invention and the measurement results of the spinning temperature, liquidus temperature, weight loss (%) in the water resistance test and monofilament strength of the obtained glass are shown below. The results are shown in Table 1.
【００１８】[0018]
【表１】 [Table 1]
【００１９】[0019]
【表２】 [Table 2]
【００２０】[0020]
【表３】 [Table 3]
【００２１】まず、実施例１について説明する。第１表
に示した組成になるように通常のガラス原料であるクレ
ー、タルク、アルミナ及びソーダ灰を用いて調合した。
白金るつぼを用いて上記調合バッチを１５５０℃で１６
時間溶融し、鉄板上に流し出し、室温まで放冷して試料
ガラスを得た。First, the first embodiment will be described. Clay, talc, alumina and soda ash, which are ordinary glass raw materials, were used to prepare the composition shown in Table 1.
Using a platinum crucible, the above-prepared batch was subjected to 16 at 1550 ° C.
It was melted for a time, poured out on an iron plate, and allowed to cool to room temperature to obtain a sample glass.
【００２２】試料ガラスの高温域粘性を白金球引き上げ
式自動粘度測定装置にて測定した。液相温度は次のよう
にして測定した。試料ガラスを粉砕し、１６８０μｍの
フルイを通過し、１１９０μｍのフルイ上にとどまった
ガラス粒をエタノールに浸漬し、超音波洗浄した後、恒
温槽で乾燥させた。白金ボート上に１列に開けた１ｍｍ
径の多数の穴にこのガラス粒を一粒づつ並べ、１２００
〜１５００℃の勾配炉内に２時間保持した後、炉から取
り出し、ガラス粒上に発生した失透を観察し、発生した
最高温度をもって液相温度とした。また、試料ガラスの
耐水性については日本光学硝子工業会規格 ＪＯＧＩＳ
光学ガラスの化学的耐久性の測定方法（ただし８時間
煮沸）に従って測定した。モノフィラメント強度の測定
は次のように行った。破砕した試料ガラスを１．５ｍｍ
径の単一のノズルを有する白金ロジウム合金のポットに
入れ、第１表記載の紡糸温度で再溶融し、ノズルより２
０００ｍ／ｍｉｎの速度でガラスを引き出し、ノズルと
巻取り装置の間の無接触の、直径が約１０μｍのガラス
繊維（モノフィラメント）を採取した。このモノフィラ
メントの引っ張り強度をＪＩＳ Ｒ７６０１ー1986 炭
素繊維試験方法（６．６．１ 単繊維の試験）に準じて
測定した。The high temperature viscosity of the sample glass was measured by a platinum ball pull-up type automatic viscosity measuring device. The liquidus temperature was measured as follows. The sample glass was crushed, passed through a 1680 μm sieve, and the glass particles remaining on the 1190 μm sieve were immersed in ethanol, ultrasonically washed, and then dried in a constant temperature bath. 1mm opened in a row on a platinum boat
Arrange these glass grains one by one in a large number of holes with a diameter of 1200
After being held in a gradient furnace at ˜1500 ° C. for 2 hours, it was taken out from the furnace and the devitrification generated on the glass particles was observed, and the maximum temperature generated was taken as the liquidus temperature. Also, regarding the water resistance of the sample glass, the Japan Optical Glass Industry Association standard JOGIS
It was measured according to the method for measuring the chemical durability of optical glass (however, boiling for 8 hours). The monofilament strength was measured as follows. 1.5 mm of crushed sample glass
Put into a platinum rhodium alloy pot with a single diameter nozzle, remelt at the spinning temperature shown in Table 1, and
The glass was pulled out at a speed of 000 m / min, and a glass fiber (monofilament) having a diameter of about 10 μm without contact between the nozzle and the winding device was collected. The tensile strength of this monofilament was measured according to JIS R7601-1986 carbon fiber test method (6.6.1 single fiber test).
【００２３】実施例２〜８も実施例１と同様の方法で試
料ガラスを作製し、紡糸温度、液相温度、耐水性テスト
における重量減（％）及びモノフィラメント強度の測定
した。In each of Examples 2 to 8, a sample glass was prepared in the same manner as in Example 1, and the spinning temperature, liquidus temperature, weight loss (%) in the water resistance test and monofilament strength were measured.
【００２４】何れの実施例においても紡糸温度は１４２
５℃以下、液相温度は紡糸温度より低く、溶融性及び紡
糸性に優れている。また、耐水性テストにおける重量減
（％）は０．０５５％以下、モノフィラメント強度２８
０ｋｇ／ｍｍ2以上であり、耐水性が良く、高強度のガ
ラス長繊維が得られた。In all the examples, the spinning temperature was 142.
At 5 ° C or lower, the liquidus temperature is lower than the spinning temperature, and the meltability and spinnability are excellent. The weight loss (%) in the water resistance test is 0.055% or less, and the monofilament strength is 28%.
It was 0 kg / mm 2 or more, water resistance was good, and high-strength long glass fibers were obtained.
【００２５】比較例１及び２は本発明に含まれない組成
であり、実施例１と同様の方法で試料ガラスを作製し、
紡糸温度、液相温度及び耐水性テストにおける重量減
（％）を測定した。比較例１は耐水性が良く、紡糸温度
は１３４４℃と低いが、液相温度が紡糸温度より５７℃
も高く、紡糸が困難である。比較例２は耐水性が悪く、
紡糸温度は１４２５℃以下であるが、液相温度が紡糸温
度より７３℃も高く、紡糸できない。比較例３、４はそ
れぞれ市販のガラス及びＥガラス組成であり、実施例１
と同様の方法で試料ガラスを作製し、紡糸温度、液相温
度、耐水性テストにおける重量減（％）及びモノフィラ
メント強度の測定した。比較例３は耐水性が良く、繊維
の強度も高いが、紡糸温度が１４６０℃と高く、また液
相温度が紡糸温度より１１℃高く、溶融及び紡糸に高温
を要する。一方、比較例４は紡糸温度が１２２５℃と低
く、液相温度も紡糸温度より１２８℃低く、溶融性及び
紡糸性に優れているが、耐水性が悪く、また繊維の強度
も低い。Comparative Examples 1 and 2 have compositions not included in the present invention, and sample glass was prepared in the same manner as in Example 1,
The spinning temperature, liquidus temperature and weight loss (%) in the water resistance test were measured. Comparative Example 1 has good water resistance and the spinning temperature is as low as 1344 ° C, but the liquidus temperature is 57 ° C higher than the spinning temperature.
It is expensive and difficult to spin. Comparative Example 2 has poor water resistance,
Although the spinning temperature is 1425 ° C. or lower, the liquidus temperature is 73 ° C. higher than the spinning temperature, and spinning cannot be performed. Comparative Examples 3 and 4 are commercially available glass and E glass compositions, respectively.
A sample glass was prepared in the same manner as in 1. and the spinning temperature, liquidus temperature, weight loss (%) in water resistance test, and monofilament strength were measured. Comparative Example 3 has good water resistance and high fiber strength, but the spinning temperature is as high as 1460 ° C., the liquidus temperature is 11 ° C. higher than the spinning temperature, and a high temperature is required for melting and spinning. On the other hand, in Comparative Example 4, the spinning temperature is as low as 1225 ° C., the liquidus temperature is 128 ° C. lower than the spinning temperature, and the meltability and spinnability are excellent, but the water resistance is poor and the fiber strength is also low.
【００２６】[0026]
【発明の効果】以上のように本発明によれば、溶融時の
揮発成分、有害物及び毒物を含まず、低コストで製造可
能であり、耐水性が良く、高強度を有するガラス長繊維
が得られる。As described above, according to the present invention, a long glass fiber that does not contain volatile components, harmful substances and poisonous substances during melting, can be manufactured at low cost, has good water resistance, and has high strength is provided. can get.
【図１】 本発明の実施例の耐水性を示すグラフであ
る。FIG. 1 is a graph showing water resistance of an example of the present invention.
─────────────────────────────────────────────────────
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【手続補正書】[Procedure amendment]
【提出日】平成５年５月２０日[Submission date] May 20, 1993
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００６[Correction target item name] 0006
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００６】[0006]
【課題を解決するための手段】本発明は、本質的にＮａ
2Ｏ、ＭｇＯ、Ａｌ2Ｏ3、ＳｉＯ2から成り、かつこれら
の成分の割合が、重量％で Ｎａ2Ｏ ０.２〜１.５ Ｌｉ2Ｏ ０〜０.５ ＭｇＯ １２〜２０ Ａｌ2Ｏ3 １７〜２５ ＳｉＯ2 ６１〜６８ Ｂ2Ｏ3 ０〜０.５ であり、これらの合計が少なくとも９８重量％である組
成を有することを特徴とするガラス長繊維であり、さら
に重量％で Ｎａ2Ｏ ０.３〜１.３ Ｌｉ2Ｏ ０〜０.３ ＭｇＯ １３〜１８ Ａｌ2Ｏ3 １８〜２３ ＳｉＯ2 ６３〜６７ Ｂ2Ｏ3 ０〜０.５ であり、Ｋ2Ｏ＋ＣａＯ＋ＳｒＯ＋ＴｉＯ2＋Ｆｅ2Ｏ3の
合計が０〜２重量％である組成を有することを特徴とす
るガラス長繊維である。The present invention consists essentially of Na
2 O, MgO, Al 2 O 3 and SiO 2 , and the proportion of these components is Na 2 O 0.2-1.5 Li 2 O 0-0.5 MgO 12-20 Al 2 in % by weight. O 3 17-25 SiO 2 61-68 B 2 O 3 0-0.5, a total glass content of which is at least 98% by weight. Na 2 O 0.3 to 1.3 Li 2 O 0 to 0.3 MgO 13 to 18 Al 2 O 3 18 to 23 SiO 2 63 to 67 B 2 O 3 0 to 0.5 and K 2 O + CaO + SrO + TiO 2 A long glass fiber having a composition in which the total of + Fe 2 O 3 is 0 to 2% by weight.
Claims (2)
ＳｉＯ2からなり、かつこれらの成分の割合が、重量％
で Ｎａ2Ｏ ０.２〜１.５ Ｌｉ2Ｏ ０〜０.５ ＭｇＯ １２〜２０ Ａｌ2Ｏ3 １７〜２５ ＳｉＯ2 ６１〜６８ Ｂ2Ｏ3 ０〜０.５ であり、これらの合計が少なくとも９８重量％である組
成を有することを特徴とするガラス長繊維。1. Essentially Na 2 O, MgO, Al 2 O 3 ,
It is composed of SiO 2 , and the proportion of these components is% by weight.
And Na 2 O 0.2-1.5 Li 2 O 0-0.5 MgO 12-20 Al 2 O 3 17-25 SiO 2 61-68 B 2 O 3 0-0.5, and the sum of these is at least Long glass fiber having a composition of 98% by weight.
ＳｉＯ2からなり、かつこれらの成分の割合が、重量％
で Ｎａ2Ｏ ０.３〜１.３ Ｌｉ2Ｏ ０〜０．３ ＭｇＯ １３〜１８ Ａｌ2Ｏ3 １８〜２３ ＳｉＯ2 ６３〜６７ Ｂ2Ｏ3 ０〜０.５ であり、Ｋ2Ｏ＋ＣａＯ＋ＳｒＯ＋ＴｉＯ2＋Ｆｅ2Ｏ3の
合計が０〜２重量％である請求項１記載のガラス長繊
維。2. Essentially Na 2 O, MgO, Al 2 O 3 ,
It is composed of SiO 2 , and the proportion of these components is% by weight.
And Na 2 O 0.3-1.3 Li 2 O 0-0.3 MgO 13-18 Al 2 O 3 18-23 SiO 2 63-67 B 2 O 3 0-0.5 and the total of K 2 O + CaO + SrO + TiO 2 + Fe 2 O 3 is 0. The long glass fiber according to claim 1, which is about 2% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05102456A JP3132234B2 (en) | 1993-04-28 | 1993-04-28 | Glass long fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05102456A JP3132234B2 (en) | 1993-04-28 | 1993-04-28 | Glass long fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06305773A true JPH06305773A (en) | 1994-11-01 |
| JP3132234B2 JP3132234B2 (en) | 2001-02-05 |
Family
ID=14327976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05102456A Expired - Fee Related JP3132234B2 (en) | 1993-04-28 | 1993-04-28 | Glass long fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3132234B2 (en) |
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| JP2011105554A (en) * | 2009-11-19 | 2011-06-02 | Nippon Electric Glass Co Ltd | Glass composition for glass fiber, glass fiber, and glass sheet-like product |
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|---|---|---|---|---|
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| US10407342B2 (en) | 2005-11-04 | 2019-09-10 | Ocv Intellectual Capital, Llc | Method of manufacturing S-glass fibers in a direct melt operation and products formed therefrom |
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| US20130333422A1 (en) * | 2005-11-04 | 2013-12-19 | Ocv Intellectual Capital, Llc | Method of manufacturing s-glass fibers in a direct melt operation and products formed therefrom |
| US9206068B2 (en) * | 2005-11-04 | 2015-12-08 | Ocv Intellectual Capital, Llc | Method of manufacturing S-glass fibers in a direct melt operation and products formed therefrom |
| US9187361B2 (en) | 2005-11-04 | 2015-11-17 | Ocv Intellectual Capital, Llc | Method of manufacturing S-glass fibers in a direct melt operation and products formed there from |
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| RU2531951C2 (en) * | 2008-12-22 | 2014-10-27 | ОСВ ИНТЕЛЛЕКЧУАЛ КЭПИТАЛ, ЭлЭлСи | Composition for high-strength glass fibres and fibres formed from said composition |
| US8338319B2 (en) * | 2008-12-22 | 2012-12-25 | Ocv Intellectual Capital, Llc | Composition for high performance glass fibers and fibers formed therewith |
| US8252707B2 (en) * | 2008-12-24 | 2012-08-28 | Ocv Intellectual Capital, Llc | Composition for high performance glass fibers and fibers formed therewith |
| JP2011105554A (en) * | 2009-11-19 | 2011-06-02 | Nippon Electric Glass Co Ltd | Glass composition for glass fiber, glass fiber, and glass sheet-like product |
| KR20160102229A (en) * | 2013-12-23 | 2016-08-29 | 유니프랙스 아이 엘엘씨 | Inorganic fiber with improved shrinkage and strength |
| JP2017502905A (en) * | 2013-12-23 | 2017-01-26 | ユニフラックス ワン リミテッド ライアビリティ カンパニー | Inorganic fibers with improved shrinkage and strength |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP3132234B2 (en) | 2001-02-05 |
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