JPS6071708A - Spinneret apparatus, fiber, having modified cross- sectional shape, and produced using the same and production thereof - Google Patents
Spinneret apparatus, fiber, having modified cross- sectional shape, and produced using the same and production thereofInfo
- Publication number
- JPS6071708A JPS6071708A JP17965983A JP17965983A JPS6071708A JP S6071708 A JPS6071708 A JP S6071708A JP 17965983 A JP17965983 A JP 17965983A JP 17965983 A JP17965983 A JP 17965983A JP S6071708 A JPS6071708 A JP S6071708A
- Authority
- JP
- Japan
- Prior art keywords
- spinneret
- shape
- cross
- sectional shape
- fibers
- 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.)
- Pending
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000009987 spinning Methods 0.000 claims abstract description 36
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 239000000956 alloy Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920002972 Acrylic fiber Polymers 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NJYFRQQXXXRJHK-UHFFFAOYSA-N (4-aminophenyl) thiocyanate Chemical class NC1=CC=C(SC#N)C=C1 NJYFRQQXXXRJHK-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Landscapes
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は形状記憶合金を用いて形成した紡糸口金を取り
付けた紡糸口金装置及び上記紡糸口金を用いることによ
って紡出される繊維の断面形状又は太さを連続的又は断
続的に変化させる変形断面形状繊維、ならびにその製造
方法に関するものである。従来、化学繊維は主に紡糸口
金により紡糸して製造されているが、繊維の断面形状は
紡糸口の形状により定まる。従って紡糸される繊維の断
面形状は一定であって、部分的に断面形状を変える方法
としては、紡糸後の工程で延伸するなどの方法が採られ
ている。DETAILED DESCRIPTION OF THE INVENTION The present invention provides a spinneret device equipped with a spinneret formed using a shape memory alloy, and a spinneret device that can continuously or intermittently change the cross-sectional shape or thickness of the fibers spun by using the spinneret. The present invention relates to a fiber with a modified cross-sectional shape that can be changed into a fiber with a modified cross-sectional shape, and a method for producing the same. Conventionally, chemical fibers have been mainly produced by spinning using a spinneret, and the cross-sectional shape of the fiber is determined by the shape of the spinneret. Therefore, the cross-sectional shape of the fibers to be spun is constant, and a method of partially changing the cross-sectional shape includes drawing in a step after spinning.
それが為、繊維の断面形状を連続的叉は断続的に任意の
周期、非周期で変化させることはできず、また、断面形
状又は太さを相似的に縮少するのみで、拡大および変形
も出来なかった。Therefore, it is not possible to change the cross-sectional shape of the fiber continuously or intermittently in any periodic or non-periodic manner, and it is only possible to reduce the cross-sectional shape or thickness in a similar manner, and to expand and deform it. I couldn't do it either.
本発明はかかる問題点を解消し、要望を満足させるため
形状記憶合金で任意の断面形状を記憶させて形成した紡
糸口金を有する紡糸口金装置及び上記紡糸口金装置によ
り紡糸しながら、該口金周辺部を加熱、冷却することに
より口金の紡糸孔の形状を変化させ、紡糸される繊維の
長さ方向に於て断面形状又は太さを連続的又は断続的に
変化させる変形断面形状繊維およびその製造方法を提供
するものである。In order to solve such problems and satisfy the demands, the present invention provides a spinneret device having a spinneret formed by memorizing an arbitrary cross-sectional shape with a shape memory alloy, and a spinneret device having a spinneret formed by memorizing an arbitrary cross-sectional shape with a shape memory alloy, and a spinneret device that has a spinneret formed by memorizing an arbitrary cross-sectional shape with a shape-memory alloy, and a spinneret device that uses a shape-memory alloy to memorize a desired cross-sectional shape. A fiber with a modified cross-section, in which the shape of the spinning hole of the spinneret is changed by heating and cooling, and the cross-sectional shape or thickness of the fiber to be spun is continuously or intermittently changed in the length direction of the fiber, and a method for producing the same. It provides:
以下本発明を実施例により詳細に説明する。The present invention will be explained in detail below with reference to Examples.
実施例１
第１図Ｈ）、（→は紡糸口金装置１＋）の断面図であり
、口金板（２）に多数の紡糸孔（３）を有する紡糸装置
において、第２図（イ）（ロ）に示す様に紡糸液導入口
（４）の下部につづき所定の断面形状（例えば円形）と
した紡糸孔（：Ｉ）を有する形状記憶合金製の紡糸口金
（６）を取り付けて紡糸口金装置を形成した。上記形状
記憶合金はニッケル・チタン系が耐蝕性、耐熱性等より
望ましいが、紡糸条件に適合する合金であればよい。ま
た紡糸孔（：Ｉ）の形状は形状記憶合金製の紡糸口金：
６）が加熱、冷却により変形し易いように飼えば肉厚を
＃（シたり、部分的に肉厚を変えたした構造とする。加
熱は紡糸口金の周囲にヒーター等を設けたり、高周波加
熱により紡糸口金自体、叉は肢口金周囲の口金板を形成
する金属や誘電性物質を加熱してもより０
冷却は紡糸口金周囲の口金板の熱伝導によるか、又は水
なが通る冷却パイプを口金周囲に設けるか或はヒートパ
イプを口金板にとりつけるか、紡糸する繊維の原液の温
度や、凝固浴温度を利用して、紡糸口金を加熱又は冷却
してもよい。Example 1 Fig. 1H), (→ is a cross-sectional view of the spinneret device 1+), and in a spinning device having a large number of spinning holes (3) in the spinneret plate (2), Fig. ), a spinneret (6) made of a shape memory alloy having a spinning hole (:I) with a predetermined cross-sectional shape (for example, circular) is attached to the lower part of the spinning solution inlet (4), and a spinneret device is constructed. was formed. The shape memory alloy mentioned above is preferably a nickel-titanium based alloy due to its corrosion resistance, heat resistance, etc., but any alloy suitable for the spinning conditions may be used. The shape of the spinning hole (:I) is a shape memory alloy spinneret:
6) If the material is kept in such a way that it can be easily deformed by heating and cooling, the wall thickness will be changed to # (shattered) or a structure in which the wall thickness is partially changed.Heating can be done by installing a heater etc. around the spinneret or using high frequency heating. It is possible to heat the spinneret itself, or the metal or dielectric material forming the spinneret plate around the spinneret. The spinneret may be heated or cooled by providing a heat pipe around the spinneret or by attaching a heat pipe to the spinneret plate, or by utilizing the temperature of the raw solution of the fiber to be spun or the temperature of the coagulation bath.
尚この場合の形状記憶合金は二方向性の形状記憶特性を
利用しており、熱処理により約８５０’Ｃの高温度域で
縮少した断面形状を配信させ、Ｍｆ点の上下の温度ＫＴ
ｈける部分的可逆形状記憶効果を利用したもので、例え
ば濃厚ロダン塩水溶液で溶解したポリアクリロニトリル
溶液？ ５０’Ｃ以下でアクリル繊維に凝固するとき、
口金を１０００にすれば縮少して第２図（ロ）及び第８
図に示す紡糸孔（３）′の形状となり、８００ＣＫ％却
すると拡大して第２図（イ）及び第３図に示す紡糸孔（
８）の形状となり、紡糸された繊維（６）は第４図に示
す如く長さ方向に連続的に断面形状（太さ）が変化した
アクリル繊維が得られた。The shape memory alloy in this case utilizes bidirectional shape memory characteristics, and by heat treatment, it distributes a reduced cross-sectional shape in a high temperature range of approximately 850'C, and the temperature KT above and below the Mf point is
For example, a polyacrylonitrile solution dissolved in a concentrated Rodan salt aqueous solution. When coagulating into acrylic fibers at temperatures below 50'C,
If the cap is set to 1000, it will shrink and become as shown in Figure 2 (B) and Figure 8.
The shape of the spinning hole (3)' shown in the figure is obtained, and when 800CK% is reduced, the spinning hole (3)' as shown in Figures 2 (a) and 3 is enlarged.
8), and the spun fiber (6) was an acrylic fiber whose cross-sectional shape (thickness) changed continuously in the length direction as shown in FIG.
実施例２
第５図（イ）、（ロ）は本発明の他の実施例を示す紡糸
口金装置の断面図であり、紡糸液導入口（４）の下部に
つづき所定の断面形状（飼えば円形）亡なした紡糸孔（
７）を有する形状記憶合金（８）とその周囲を包む弾性
体（９）よりなる紡糸口金をｍ５る〇上記紡糸口金を構
成する形状記憶合金は一方向性の形状記憶合金を使用し
ており、熱処理により高温度域で拡大した紡糸孔即ち第
３図に示す円形の断面形状１３）を記憶させ、Ｍｆ点以
下の温度で弾性体により縮小した断・面形状（３１′と
なるように組合わせ形成される。飼えば１．０００で拡
大した紡糸孔の形状（３）となり、６０Ｃで弾性体の復
元力で縮少した紡糸孔の形状１３）゛となり再び１００
Ｃで最初の拡大した形状となる。上記紡糸口金により得
られた繊維（６）は第４図に示す通り長手方向に連続的
に断面形状が変化した変形断面形状繊維が得られた。Embodiment 2 FIGS. 5(a) and 5(b) are cross-sectional views of a spinneret device showing another embodiment of the present invention. Circular) Dead spinning hole (
7) A spinneret consisting of a shape memory alloy (8) and an elastic body (9) surrounding it is made. The shape memory alloy constituting the spinneret is a unidirectional shape memory alloy. , the spinning hole enlarged in the high temperature range by heat treatment, that is, the circular cross-sectional shape 13) shown in FIG. The shape of the spinning hole expands at 1.000C (3), and at 60C the shape of the spinning hole shrinks due to the restoring force of the elastic body (13) and becomes 100C again.
C becomes the first enlarged shape. As shown in FIG. 4, the fiber (6) obtained using the spinneret had a deformed cross-sectional shape whose cross-sectional shape changed continuously in the longitudinal direction.
実施例８
紡糸口金の紡糸孔の断面形状を第６図に示す楕円形ｔｌ
［Ｉｌの形状に記憶させ１００ Ｃに加熱して１８０
楕円軸が回転した級長の楕円形（ｌぽに変化〜
させ６０Ｇで再び元の楕円−形１１ Ｋ戻る紡糸口金装
置により繊維を紡糸しながら紡糸口金の周囲を加熱、冷
却を繰り返すことによって第７図に示す長手方向に楕円
の断面形状が交互一連続する変形断面形状縁ｍ ９１）
が得られた。Example 8 The cross-sectional shape of the spinning hole of the spinneret is an elliptical shape shown in FIG.
[Memorize the shape of Il and heat to 100 C to 180
The elliptical axis rotates to form an elliptical shape with a class length (lpo) and returns to the original elliptical shape at 60G.While spinning fibers using the spinneret device, the area around the spinneret is repeatedly heated and cooled to form a seventh Deformed cross-sectional shape edge m in which elliptical cross-sectional shapes are alternately consecutive in the longitudinal direction shown in the figure 91)
was gotten.
尚、上記本発明の形状記憶合金で形成した紡糸口金忙よ
り紡糸する繊維は半合成＃！維、合成繊維、金属繊維、
ガラス繊維、炭素繊維、セラミック繊維など全ての化学
繊維に適用する仁とができる。The fibers spun from the spinneret made of the shape memory alloy of the present invention are semi-synthetic #! fibers, synthetic fibers, metal fibers,
It can be applied to all chemical fibers such as glass fiber, carbon fiber, and ceramic fiber.
また最初に記憶させる紡糸孔の形状を逆（例えば最初に
縮小した形状を記憶させる。）にしてその後の変化の順
序を逆おしてもよい。Alternatively, the shape of the spinning hole that is initially memorized may be reversed (for example, the reduced shape is memorized first), and the order of subsequent changes may be reversed.
本発明は上記の如く構成したから、形状記憶合金製の紡
糸口金を加熱、冷却することにより紡糸孔の形状を変化
させることができ、一つの紡糸口金で２種類以上の変形
断面形状の繊維の紡糸が可能となる。Since the present invention is constructed as described above, the shape of the spinning hole can be changed by heating and cooling the shape memory alloy spinneret, and one spinneret can produce fibers with two or more different cross-sectional shapes. Spinning becomes possible.
また連続的に紡糸口金を拡大、縮小することにより、断
面形状が連続的に変化する天然繊維の如き断面形状の繊
がｔも製造可能となる。Furthermore, by continuously expanding and contracting the spinneret, it is possible to produce fibers with cross-sectional shapes such as natural fibers that continuously change in cross-sectional shape.
更に紡糸口金の紡糸孔の直径を極く小さくなるよう記憶
させることにより、後工程でのカット時にカットを行い
易く形成したり、或はカット位置の前後で断面形状を次
第に縮少し、先端の尖った形状の繊維も製造できる。等
従来の紡糸技術ではなし得なかった種々の変形断面形状
の製造が可能となるなど極めて効果の大なる発明でおる
。Furthermore, by memorizing the diameter of the spinning hole in the spinneret to be extremely small, it is possible to form the spinning hole to make it easier to cut in the subsequent process, or to gradually reduce the cross-sectional shape before and after the cutting position, and to create a sharp tip. Fibers with different shapes can also be produced. This is an extremely effective invention, as it enables the production of various deformed cross-sectional shapes that could not be achieved using conventional spinning techniques.
第１図は本発明に用いる紡糸口金装置の断面図、第２図
（（）（ロ）は夫々本発明の１＊ｍｆ！ｌを示す形状記
憶合金製紡糸口金部分の断面図、第３図及び第４図は夫
々第２図に示す紡糸口金による紡糸時の紡糸孔の形状及
び繊維の断面形状の変化を示す正面図及び側面図、第５
図（イ）（ロ）は本発明の他の実施例を示す紡糸口金部
分の断面図、第６図及び第７図は大々第５図に示す紡糸
口金による紡糸時の紡糸孔の形状及び繊維の断面形状の
変化を示す正面図及び側面図である。
ｆｉ＋・・・紡糸口金装置、（２）・・・口金板、＋３
１ ｉ：ｌｌ’・・・紡糸孔、（４）・・・紡糸液導入
口、ｌｌ＋）・・・紡糸口金、（６）・・・繊維、 ［
７１ｆｆ＋’・・・紡糸孔、（８）・・・形状＝己憶合
金、（９）・・・弾性体、ｆｌｏｌ （１０１’・・・
楕円形、αす・・・変形断面繊維特許出願人 ７、
金 井 宏 之〜、（（’ｊ’１１ｊ”： Ｊ第１図
第２図 ３
第３１］ 第４図
篩５図
（イ） Ｃロジ
第 ７ 図
第６図Fig. 1 is a sectional view of the spinneret device used in the present invention, Fig. 2 (() and (b) are sectional views of the shape memory alloy spinneret portion showing 1*mf!l of the present invention, respectively), and Fig. 3 and FIG. 4 are a front view and a side view showing changes in the shape of the spinning hole and the cross-sectional shape of the fiber during spinning using the spinneret shown in FIG. 2, respectively, and FIG.
Figures (A) and (B) are cross-sectional views of the spinneret portion showing other embodiments of the present invention, and Figures 6 and 7 are approximately the shape and shape of the spinneret during spinning using the spinneret shown in Figure 5. FIG. 3 is a front view and a side view showing changes in the cross-sectional shape of fibers. fi+... Spinneret device, (2)... Spinneret plate, +3
1 i:ll'...Spinning hole, (4)...Spinning liquid inlet, ll+)...Spinneret, (6)...Fiber, [
71ff+'...Spinning hole, (8)...Shape=self-memory alloy, (9)...Elastic body, flol (101'...
Oval shape, α... deformed cross section fiber patent applicant 7, Hiroshi Kanai~, (('j'11j": J Figure 1 Figure 2 Figure 3 31) Figure 4 Sieve Figure 5 (A) C Logic Figure 7 Figure 6
Claims (2)
付けてなる事を特徴とする紡糸口金装置。(1) A spinneret device equipped with a spinneret made of a shape memory alloy.
た紡糸口金装置により紡糸される円形、−楕円形、星形
等その他任意の断面形状繊維を長手方向に於てその断面
形状或い社太さを連（３） 形状記憶合金により形成し
た紡糸口金を装着した紡糸装置により繊維を紡糸孔より
紡糸しながら、該紡糸口金を周辺部より加熱、冷却を繰
り返すことにより、上記口金の紡糸孔の断面形状を変化
させ、紡出する繊維の断面形状又は太さを連続的又は断
続的に変化させることを特徴とする変形断面形状繊維の
製造方法。(2) Fibers with any cross-sectional shape such as circular, oval, or star-shaped are spun by a spinneret device equipped with a spinneret formed from a shape-memory alloy. Saworen (3) While spinning fibers from a spinning hole using a spinning device equipped with a spinneret made of a shape memory alloy, the spinning hole of the spinneret is repeatedly heated and cooled from the surrounding area. A method for producing fibers with modified cross-sections, characterized by changing the cross-sectional shape and continuously or intermittently changing the cross-sectional shape or thickness of the fibers to be spun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17965983A JPS6071708A (en) | 1983-09-27 | 1983-09-27 | Spinneret apparatus, fiber, having modified cross- sectional shape, and produced using the same and production thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17965983A JPS6071708A (en) | 1983-09-27 | 1983-09-27 | Spinneret apparatus, fiber, having modified cross- sectional shape, and produced using the same and production thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6071708A true JPS6071708A (en) | 1985-04-23 |
Family
ID=16069634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17965983A Pending JPS6071708A (en) | 1983-09-27 | 1983-09-27 | Spinneret apparatus, fiber, having modified cross- sectional shape, and produced using the same and production thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6071708A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61174141A (en) * | 1985-01-25 | 1986-08-05 | Nitto Boseki Co Ltd | Glass fiber and its production |
| JPS62268612A (en) * | 1986-05-19 | 1987-11-21 | Nitto Boseki Co Ltd | Glass-fiber reinforced resin molded form |
-
1983
- 1983-09-27 JP JP17965983A patent/JPS6071708A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61174141A (en) * | 1985-01-25 | 1986-08-05 | Nitto Boseki Co Ltd | Glass fiber and its production |
| JPS62268612A (en) * | 1986-05-19 | 1987-11-21 | Nitto Boseki Co Ltd | Glass-fiber reinforced resin molded form |
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