JPH01157434A - Oxynitride glass fiber - Google Patents
Oxynitride glass fiberInfo
- Publication number
- JPH01157434A JPH01157434A JP63039190A JP3919088A JPH01157434A JP H01157434 A JPH01157434 A JP H01157434A JP 63039190 A JP63039190 A JP 63039190A JP 3919088 A JP3919088 A JP 3919088A JP H01157434 A JPH01157434 A JP H01157434A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- fiber
- fibers
- nitrogen
- glass fiber
- 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
- 239000003365 glass fiber Substances 0.000 title claims description 29
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 44
- 239000000835 fiber Substances 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 6
- 150000004767 nitrides Chemical class 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 4
- 150000004706 metal oxides Chemical class 0.000 abstract description 4
- 229910052581 Si3N4 Inorganic materials 0.000 abstract description 2
- 229910052681 coesite Inorganic materials 0.000 abstract description 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 2
- 229910052682 stishovite Inorganic materials 0.000 abstract description 2
- 229910052905 tridymite Inorganic materials 0.000 abstract description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 238000002074 melt spinning Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 13
- 238000009987 spinning Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 6
- 229910001873 dinitrogen Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229910052582 BN Inorganic materials 0.000 description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000006060 molten glass Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000012783 reinforcing fiber Substances 0.000 description 2
- 238000003980 solgel method Methods 0.000 description 2
- 101100348017 Drosophila melanogaster Nazo gene Proteins 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910007277 Si3 N4 Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000000075 oxide glass Substances 0.000 description 1
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000005373 porous glass Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Compositions (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は、オキシナイトライドガラス繊維に関する。さ
らに詳しくは、本発明はＦＲＰ 、繊維補強セメントな
どの複合材料用の補強繊維として用いるに適し友高弾性
のガラス繊維に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to oxynitride glass fibers. More particularly, the present invention relates to highly elastic glass fibers suitable for use as reinforcing fibers for composite materials such as FRP and fiber-reinforced cement.
（ロ）従来の技術
近年、プラスチック、あるいはセメントなどの構造材全
強化する有力な手段として、これらの材料にガラス繊維
を混合する材料の複合化が進められている。このような
複合材料に用いらｎるガラス繊維には高い強度が求めら
ｎているが、従来はＥガラス、Ｓガラスを繊維化したも
のが広く用いられてきた。(B) Conventional Technology In recent years, as an effective means of completely reinforcing structural materials such as plastics or cement, composite materials have been developed by mixing these materials with glass fibers. Glass fibers used in such composite materials are required to have high strength, and conventionally, fibers made from E glass and S glass have been widely used.
オキシナイトライドガラスは、酸化物ガラスの酸素原子
が窒素に置き換わった構造ｋＷしてお９．窒素原子の結
合原子価が３であるところから従来のガラスに比べ、高
弾性率’に！する。Oxynitride glass has a structure kW in which the oxygen atoms of oxide glass are replaced with nitrogen.9. Because the bond valence of the nitrogen atom is 3, it has a higher elastic modulus than conventional glass! do.
かかるオキシナイトライドガラスの製造方法には、ゾル
・ゲル法、溶融法、Ｎ２ガス吹き込み法。Methods for producing such oxynitride glass include the sol-gel method, the melting method, and the N2 gas blowing method.
多孔質ガラスのＮＨ３ガス処理法などがある。There is a method for treating porous glass with NH3 gas.
しかしながら、その繊維化にあたっては、前記のうちゾ
ル・ゲル法を用いたものおよび−たんバルク状のオキシ
ナイトライドガラスを作成し・それを再溶融して繊維化
したもの（Ｕ、 Ｓ。However, in making fibers, there are two methods: one using the sol-gel method, and the other using bulk oxynitride glass and remelting it to make fibers (U, S).
ｐａｔｅｎｔ ４．６０９．６３１ ）が存在するのみ
である。patent 4.609.631).
（ハ）発明が解決しようとする問題点
従来、用いられている強化用ガラス繊維の強度はなお充
分でなく９弾性率についてはＥガラスで最大７５００
ｋｇ／−であり、もつとも高い弾性率を有するＩｍｐｅ
ｒｉａｌ Ｎ −６７２で１２１１０ ｋｇ／ｍ！に過
ぎない。また高弾性？有するオキシナイトライドガラス
繊維にあっても、これまでゾμ・ゲル法により得らｎ几
繊維の弾性率は約８０００ｋｇ膚と複合材料の強化用ガ
ラス繊維としてはなお充分とは言えない。一方バルク状
オキシナイトライドガラスの再溶融法により作製したも
のは窒素？最大１５ａｔ％含み１４０ ヘ１８５ ＧＰ
ａの高弾性率をＭ ｆ ル（Ｕ、 Ｓ、 Ｐａｔｅｎｔ
４．６０９．６３１ ）が高価な原料であるイツトリ
ウムｖＩ−４２，６〜４５．４ Ｗｔ ％含むために非
常に高価なガラス繊維である。(c) Problems to be solved by the invention The strength of the reinforcing glass fibers used in the past is still insufficient, and the modulus of elasticity is at most 7500 for E glass.
kg/- and has an extremely high modulus of elasticity.
12110 kg/m with real N-672! It's nothing more than that. Also high elasticity? Even with the oxynitride glass fibers, the elastic modulus of the n-layer fibers obtained so far by the zomu-gel method is approximately 8000 kg, which is still not sufficient for use as glass fibers for reinforcing skin and composite materials. On the other hand, is it nitrogen produced by remelting bulk oxynitride glass? Maximum 15 at% included 140 to 185 GP
The high elastic modulus of a is M f (U, S, Patent
4.609.631) is a very expensive glass fiber because it contains yttrium vI-42.6 to 45.4 Wt%, which is an expensive raw material.
に）問題点を解決するための手段
本発明者らは１強化用繊維として優ｎた強度を有するガ
ラス繊維を得るべく種々検討を重ねた結果、安価なＣａ
ｄｉ増食する事により多量の窒素をガラスに含有させる
事ができ、さらには微量のｙ２ｏ３１に添加する事によ
り極めて高強度高弾性のガラス長繊維が得らｎるとの知
見を得本発明を完成するに至った。2) Means for Solving the Problems The present inventors have conducted various studies in order to obtain a glass fiber with excellent strength as a reinforcing fiber.
The present invention was based on the knowledge that a large amount of nitrogen can be contained in the glass by increasing the amount of di, and that by adding a small amount of y2o31, extremely strong and highly elastic long glass fibers can be obtained. It has been completed.
すなわち９本発明は、安価な原料粉末を溶融し、直接紡
糸することにより窒素含有量１５ａｔ％〜３０ａｔ％を
有し１弾性率１２５００ｋｇ／ｊｌｊ以上ｔ−有するガ
ラス長繊維を提供するものである。That is, the present invention provides long glass fibers having a nitrogen content of 15 at % to 30 at % and a modulus of elasticity of 12,500 kg/jlj or more by melting inexpensive raw material powder and directly spinning the fiber.
本発明のガラス繊維は、従来のガラス繊維では達成でき
なかった窒素含有量１５ａｔ％〜３Ｑａｔ％を得ること
が可能になった。The glass fiber of the present invention makes it possible to obtain a nitrogen content of 15 at% to 3 Qat%, which could not be achieved with conventional glass fibers.
本発明のオキシナイトライドガラスの組成としては、
Ｃａ−８ｉ −ＡＩ −０−Ｎ、 Ｎａ −Ｃａ −
Ｓｉ −０−Ｎ、Ｌａ−８ｉ −ＡＩ −０−Ｎ、Ｎａ
−Ｂ−８ｉ −０−Ｎ。The composition of the oxynitride glass of the present invention is as follows:
Ca-8i-AI-0-N, Na-Ca-
Si-0-N, La-8i-AI-0-N, Na
-B-8i -0-N.
Ｍｇ−８ｉ −ＡＩ −０−Ｎ、Ｓｉ −ＡＩ −０−
Ｎ、 Ｙ−ＡＩ −８ｉ −０−Ｎ、Ｎａ −Ｂ−Ａｌ
−Ｐ−０−Ｎ、Ｃａ −Ｍｇ −８ｉ −ＡＩ −０−
Ｎ、 ５ｒ−Ｃａ −Ｍｇ−８ｉ −ＡＩ −０−Ｎ。Mg-8i-AI-0-N, Si-AI-0-
N, Y-AI-8i-0-N, Na-B-Al
-P-0-N, Ca -Mg -8i -AI -0-
N, 5r-Ca-Mg-8i-AI-0-N.
Ｂａ −Ｃａ −Ｍｇ −Ｓｉ −ＡＩ −０−Ｎ、
Ｙ −Ｃａ −Ｍｇ−８ｉ−ＡＩ −０−Ｎ、 Ｓｉ
−Ｃａ −Ｍｇ−ＡＩ −Ｃｅ−０−Ｎ、 ５ｉ−Ｃａ
−Ｍｇ−ＡＩ −８ｂ−０−Ｎなどが挙げられる。Ba-Ca-Mg-Si-AI-0-N,
Y-Ca-Mg-8i-AI-0-N, Si
-Ca -Mg-AI -Ce-0-N, 5i-Ca
-Mg-AI-8b-0-N and the like.
このような組成のオキシナイトライドガラスを得るには
、金属酸化物に金属窒化物？加え、高温で溶融する。To obtain oxynitride glass with such a composition, is it possible to combine metal oxide with metal nitride? In addition, it melts at high temperature.
金属酸化物の例としては、 Ｓｉ ０２． Ｃａ Ｏ，
ＭｇＯ。Examples of metal oxides include Si02. Ca O,
MgO.
５ｂ２Ｃ）３ＳｒＯ，ＮａｚＯ，Ｋ２Ｏ，Ｌａ２Ｏ３，
Ｙ２Ｏ３，ＺｒＯ２゜Ｔｉ ０２ 、 Ｎａ２Ｏ，Ｃｅ
０２ Ｋ２０． Ｂ２０３などが挙げられる。5b2C)3SrO, NazO, K2O, La2O3,
Y2O3, ZrO2゜Ti 02 , Na2O, Ce
02 K20. Examples include B203.
また、金属窒化物の例としてはｅ Ｓ ｉ３ Ｎ４ ＠
ＡＩ Ｎ５ＢＮなどが用いられる。In addition, examples of metal nitrides include e Si3 N4 @
AI N5BN etc. are used.
つぎに、これらの混合物を溶融紡糸するには電気炉、イ
メージ炉などの加熱炉を用い、窒素。Next, to melt and spin these mixtures, a heating furnace such as an electric furnace or an image furnace is used, and nitrogen is used.
アルゴン雰囲気下温度１４００へ１９５０℃で１〜４５
ｍ１ｎ溶融しその場で１１００へ１６００°Ｃの温度に
降下させるかまたはその温度に保持し几紡糸部へ溶融ガ
ラスを導き、紡糸速度２０へ３０００”／ｍｉｎにて紡
糸し連続繊維を得る。1-45 at temperature 1400 to 1950℃ under argon atmosphere
The molten glass is melted and then lowered to a temperature of 1100°C to 1600°C or kept at that temperature, and the molten glass is introduced to a spinning section and spun at a spinning speed of 20 to 3000''/min to obtain continuous fibers.
得られたガラス繊維の窒素含有量は１５〜３０ａｔ％、
弾性率は１２．５００以上、引張９強度７０ ヘア００
ｋｇ／ｌｄである。ガラス繊維の繊維径は３〜５０μ
ｍであるのが好ましい。繊維径がこｎより小さいと、紡
糸が困難であり、一方こＡ’に越えると強度が極端に低
下し好ましくない。The nitrogen content of the obtained glass fiber is 15 to 30 at%,
Elastic modulus is 12.500 or more, tensile strength 9 70 Hair 00
kg/ld. The fiber diameter of glass fiber is 3~50μ
Preferably, it is m. If the fiber diameter is smaller than this value, spinning will be difficult, while if it exceeds this value, the strength will be extremely reduced, which is not preferable.
ガラス繊維の窒素含有量は１５へ３Ｑａｔチであるのが
好ましい。Preferably, the nitrogen content of the glass fibers is between 15 and 3 Qat.
窒素含有量が３０３ｔ％’に越えると結晶化し好ましく
なく 、 １５ａｔ％以下だと弾性率が弱い。窒素含有
量の調整は窒化物原料の添加割合により行なう。If the nitrogen content exceeds 303 t%, it will crystallize, which is undesirable, and if it is less than 15 at%, the elastic modulus will be weak. The nitrogen content is adjusted by adjusting the addition ratio of the nitride raw material.
（ホ）作用
本発明により窒素含有量の多い、高弾性の連続ガラス繊
維が得られる。(E) Function The present invention provides highly elastic continuous glass fibers with a high nitrogen content.
（へ）実施例
まず０本発明に係るガラス繊維を得るための紡糸炉を説
明する。(f) Example First, a spinning furnace for obtaining glass fiber according to the present invention will be explained.
第１図は紡糸炉の断面図である。ガラス繊維紡糸炉１は
、下部に３ｍｍφの繊維取り出し用細孔を有する窒化ホ
ウ素製ルツボ２．該ルツボ２の側面を包囲する長いグラ
ファイト製発熱体３゜前記ルツボ２および発熱体３を収
容しガラス繊維４が通過する窒素ガス室ａを備えたケー
シング６を有する。FIG. 1 is a sectional view of a spinning furnace. The glass fiber spinning furnace 1 consists of a crucible made of boron nitride, which has a pore of 3 mm in diameter at the bottom for taking out fibers. A long graphite heating element 3 which surrounds the side surface of the crucible 2 has a casing 6 which accommodates the crucible 2 and the heating element 3 and is equipped with a nitrogen gas chamber a through which the glass fibers 4 pass.
該ルツボ２は、中央にガラス繊維が通過する開口に備え
た窒化ホウ素製絶縁体７上に配置さｎた円筒状のグラフ
ァイト管８に、ｆ−／ｌ／ツボ台９を介して載置される
。The crucible 2 is placed via a crucible holder 9 on a cylindrical graphite tube 8 placed on a boron nitride insulator 7 with an opening in the center through which the glass fiber passes. Ru.
ケーシング６は、内部側面全体に断熱材１０゜下面およ
び上面に冷却用ジャケット１１．１２’ｌｉ＝備え、内
部空間を形成して前記ルツボ２および発熱体３を収容す
る。下面冷却用ジャケット１１は前記発熱体３下部に接
して電極をなす。一方。The casing 6 is provided with a heat insulating material 10° on the entire internal side surface and a cooling jacket 11.12'li on the lower and upper surfaces to form an internal space in which the crucible 2 and the heating element 3 are housed. The lower cooling jacket 11 is in contact with the lower part of the heating element 3 and forms an electrode. on the other hand.
上面冷却用ジャケット１２は中央に開口’ｋＷし該開口
には下面に保護用石英ガラス板１３を設けた放射温度計
１４が配置される。さらに、ケーシング６の側面にはル
ツボが収容された内部空間である窒素ガス室５に窒素を
供給する窒素ガス流入口１５が設けられるとともに、前
記下面冷却用ジャケット１１のさらに下方には開閉自在
の繊維引き出し口１６が設けられ、ガラスが接触する雰
囲気を窒素ガス雰囲気に保持する。The upper surface cooling jacket 12 has an opening in the center, and a radiation thermometer 14 having a protective quartz glass plate 13 provided on the lower surface is disposed in the opening. Furthermore, a nitrogen gas inlet 15 is provided on the side surface of the casing 6 to supply nitrogen to the nitrogen gas chamber 5, which is an internal space in which the crucible is housed, and a nitrogen gas inlet 15 that can be opened and closed further below the lower surface cooling jacket 11 is provided. A fiber outlet 16 is provided to maintain the atmosphere with which the glass comes in contact with a nitrogen gas atmosphere.
本実施例では、前記繊維引き出しロ１６下部にこ几に隣
接して、脱着可能な補助雰囲気室１７を取り付け、より
完全な不活性ガヌ雰囲気下に紡糸を行なう。１８がワイ
ンダーである。In this embodiment, a removable auxiliary atmosphere chamber 17 is installed adjacent to the lower part of the fiber drawer 16 to perform spinning under a more complete inert atmosphere. 18 is a winder.
つぎに実施例によυ本発明をさらに具体的に説明する。Next, the present invention will be explained in more detail with reference to Examples.
実施例Ｌ
Ｓｉ ０２１７．３ｍｏ１％、 オよびＣａ０５６．１
ｍｏ１％ＭｇＱ５，５ｍｏ１％Ａ１２０３５．Ｑｍｏｌ
％ ｆ混合し、空気中１５００℃で４Ｑｍｉｎ熱処理
した。Example L Si0217.3mol1%, O and Ca056.1
mo1%MgQ5,5mo1%A12035. Qmol
%f mixed and heat treated in air at 1500°C for 4Qmin.
混合物を冷却後ボーμミ／Ｉ／ヲ用いて約１０μｍに粉
砕し、 Ｓｉ３ Ｎ４１５．１ ｍｏ１チを加え・窒化
ホウ素ルツボを用い窒素中１７９０℃２Ｑｍｉｎ溶融し
。After cooling the mixture, it was ground to about 10 μm using a Baumi/I/Wo, 15.1 mol of Si3N4 was added, and the mixture was melted at 1790°C for 2Q min in nitrogen using a boron nitride crucible.
つぎに１５００°Ｃまで降温紡糸しワインダーに巻き取
った。紡糸速度１２００ｍ／ｍｉｎにて直径１８μｍの
連続繊維ケ得た。得らｆ′Ｌ几ガラス繊維の引張り弾性
率は１３５００ ｋｇＡ−であった。また窒素含有量は
１８．９８ｔ％で、鷹維長は３ｋｍであった。Next, the temperature was lowered to 1500°C for spinning and the material was wound up in a winder. Continuous fibers with a diameter of 18 μm were obtained at a spinning speed of 1200 m/min. The tensile modulus of the obtained f'L glass fiber was 13,500 kgA-. The nitrogen content was 18.98 t%, and the length of the taka fiber was 3 km.
実施例λ
オキシナイトライドガラスの原料としてＳ ｉＯ２４、
Ｏｍ ｏｌ ％ Ｃａ０６５．５ｍｏ１％Ｍｇ０６．８
ｍｏ１％、Ａｌ２０３５．５ｍｏ１ ％、 ｓｉ３ Ｎ
４１８．２ｍｏ１％をボールミルを用いて約１０μｍに
粉砕および混合し、これを窒化ホウ素μツボ中に入れ窒
素中１７９０℃で３０ｍ１ｎ溶融し、つぎに１４９０℃
まで降温し紡糸した。Example λ SiO24 as a raw material for oxynitride glass,
Omol%Ca065.5mol1%Mg06.8
mo1%, Al2035.5mo1%, si3N
418.2 mo1% was ground and mixed to about 10 μm using a ball mill, placed in a boron nitride μ crucible, melted for 30 m1n at 1790°C in nitrogen, and then 1490°C.
The temperature was lowered to
紡糸速度１３５０ｍ／ｍｉｎにて直径１５μｍの連続繊
維を得た。得らｎたガラス繊維の引張り弾性率は１４７
００ ｋｇ／−であった。また窒素含有量は２３．１ａ
ｔ％で、繊維長は４．５ ｋｍであった。Continuous fibers with a diameter of 15 μm were obtained at a spinning speed of 1350 m/min. The tensile modulus of the obtained glass fiber is 147
00 kg/-. Also, the nitrogen content is 23.1a
t% and the fiber length was 4.5 km.
以下実施例１と同様の方法にてガラス繊維を得たので、
その組成、製造条件および窒素含有率７表１に示し友。Since glass fibers were obtained in the same manner as in Example 1,
Its composition, manufacturing conditions and nitrogen content are shown in Table 1.
また図２には得たガラス繊維の引張り弾性率を測定した
結果で、横軸には繊維のＮ含有量（ａｔ％）縦軸には弾
性率の測定結果を示した。Further, FIG. 2 shows the results of measuring the tensile modulus of the obtained glass fibers, with the horizontal axis showing the N content (at%) of the fibers and the vertical axis showing the measuring results of the elastic modulus.
（ト）効果
本発明によ九ば、安価な原料粉末により弾性率１２５０
０ ｋｇ／−以上を達成できると共に、従来のガラス繊
維では成し得なかった窒素含有量１５ａｔ％〜３Ｑａｔ
チケ得ることができる。(G) Effect According to the present invention, the elastic modulus is 1250 due to the inexpensive raw material powder.
0 kg/- or more, and nitrogen content of 15 at% to 3 Qat, which could not be achieved with conventional glass fibers.
You can get a ticket.
第１図は１本発明に係るガラス繊維全製造するための紡
糸炉を示す図、第２図は窒素含有量と弾性率の関係を示
す図である。FIG. 1 is a diagram showing a spinning furnace for producing the entire glass fiber according to the present invention, and FIG. 2 is a diagram showing the relationship between nitrogen content and elastic modulus.
Claims (1)
素を１５〜３０原子％含むことを特徴とするオキシナイ
トライドガラス繊維。1. Oxynitride glass fiber having an elastic modulus of 12,500 Kg/mm^2 or more and containing 15 to 30 atom % of nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3919088A JPH0735265B2 (en) | 1987-09-07 | 1988-02-22 | Oxynitride glass fiber |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-223391 | 1987-09-07 | ||
| JP22339187 | 1987-09-07 | ||
| JP3919088A JPH0735265B2 (en) | 1987-09-07 | 1988-02-22 | Oxynitride glass fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01157434A true JPH01157434A (en) | 1989-06-20 |
| JPH0735265B2 JPH0735265B2 (en) | 1995-04-19 |
Family
ID=26378516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3919088A Expired - Lifetime JPH0735265B2 (en) | 1987-09-07 | 1988-02-22 | Oxynitride glass fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735265B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0650937A1 (en) * | 1993-10-14 | 1995-05-03 | Shimadzu Corporation | Oxynitride glass, method of preparing the same and glass fiber |
| JP2011006277A (en) * | 2009-06-25 | 2011-01-13 | Nitto Boseki Co Ltd | Oxynitride glass fiber and method for manufacturing the same |
-
1988
- 1988-02-22 JP JP3919088A patent/JPH0735265B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0650937A1 (en) * | 1993-10-14 | 1995-05-03 | Shimadzu Corporation | Oxynitride glass, method of preparing the same and glass fiber |
| JP2011006277A (en) * | 2009-06-25 | 2011-01-13 | Nitto Boseki Co Ltd | Oxynitride glass fiber and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735265B2 (en) | 1995-04-19 |
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