JP2756966B2 - 3D curl filament - Google Patents
3D curl filamentInfo
- Publication number
- JP2756966B2 JP2756966B2 JP63102186A JP10218688A JP2756966B2 JP 2756966 B2 JP2756966 B2 JP 2756966B2 JP 63102186 A JP63102186 A JP 63102186A JP 10218688 A JP10218688 A JP 10218688A JP 2756966 B2 JP2756966 B2 JP 2756966B2
- Authority
- JP
- Japan
- Prior art keywords
- filament
- length
- melting point
- diameter
- coil
- 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.)
- Expired - Fee Related
Links
Landscapes
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Multicomponent Fibers (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は椅子やマツトレス等の詰物に利用できる嵩高
で弾力性に富んだクツシヨン材およびこのクツシヨン材
の原料となる立体カールフイラメントとその製造方法に
関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a bulky and highly elastic cushion material which can be used for filling such as chairs and mattresses, a three-dimensional curl filament as a raw material of the cushion material, and a method for producing the same. About.
〔従来の技術〕 クツシヨン材用の立体カールフイラメントの製造方法
として、多数のローラー群を用いて合成繊維モノフイラ
メントに一重撚りおよび二重撚りをかけ、熱セツト後解
撚し、切断する方法（特公昭62−52056号公報、特公昭6
2−52057号公報）が知られている。[Prior art] As a method for producing a three-dimensional curl filament for cushioning material, a method of applying a single twist and a double twist to a synthetic fiber monofilament using a large number of rollers, heat setting, untwisting, and cutting (particularly) JP-B-62-52056, JP-B-6-52056
2-52057) is known.
また、立体カールフイラメント短繊維を圧縮成形し、
接着剤で固めてクツシヨン材を製造する方法（特公昭62
−44057号公報）も公知である。In addition, compression molding of three-dimensional curl filament short fiber,
Method of manufacturing cushioning material by hardening with adhesive (Japanese Patent Publication No. Sho 62)
-44057) is also known.
上記の立体カールフイラメントの公知の製造方法は多
数の製造工程と複雑な製造装置を必要とするものであ
り、工程および装置の簡易化が望まれる。The above-mentioned known method for producing a three-dimensional curl filament requires a large number of production steps and complicated production equipment, and simplification of the steps and equipment is desired.
また、上記のクツシヨン材の公知の製造方法は、接着
剤を使用するため、含潰装置と乾燥装置を必要とし、接
着剤の乾燥のために大量の熱エネルギーを消費する等改
善すべき点がある。In addition, the above-mentioned known manufacturing method of the cushion material requires an immersion device and a drying device because an adhesive is used, and a point to be improved such as consuming a large amount of heat energy for drying the adhesive is required. is there.
本発明者等は立体カールフイラメントおよびこれを用
いたクツシヨン材に関する上記諸課題の解決のため鋭意
研究の結果、融点差が20℃以上ある二種のポリオレフイ
ン樹脂を、その低融点のポリオレフイン樹脂を鞘成分と
するように、複合比70/30〜30/70で偏心鞘芯型に複合紡
糸し、得られた未延伸糸を70〜120℃で４〜９倍に延伸
し、次いで無張力下で95〜130℃で熱処理することによ
り、単糸繊度30〜3000デニールでフイラメント長の５分
の１以下のコイル長とフイラメント径の10倍以上のコイ
ル径を有する立体カールフイラメントを得、この立体カ
ールフイラメントから成るウエブを上記二種類のポリオ
レフイン樹脂の融点間の温度で融着処理することによ
り、フイラメントが互にその接点で接着された、嵩高で
弾力性に富んだクツシヨン材が得られることを知り本発
明を完成するに到つた。The present inventors have conducted intensive studies to solve the above-mentioned problems relating to the three-dimensional curl filament and the cushioning material using the same, and as a result, the two kinds of polyolefin resins having a melting point difference of 20 ° C. or more and the low-melting polyolefin resin were sheathed. As a component, composite spinning is performed in an eccentric sheath-core type at a composite ratio of 70/30 to 30/70, and the obtained undrawn yarn is drawn 4 to 9 times at 70 to 120 ° C, and then under no tension. By heat-treating at 95 to 130 ° C, a three-dimensional curl filament having a single-filament fineness of 30 to 3000 denier and a coil length of one-fifth or less of the filament length and a coil diameter of ten times or more the filament diameter is obtained. By fusing the filament web at a temperature between the melting points of the two types of polyolefin resins, a bulky and highly elastic cushioning material in which the filaments are bonded to each other at their contact points is obtained. ItaTsuta to the completion of the present invention to know Rukoto.
本発明で用いるポリオレフイン樹脂は、エチレン、プ
ロピレン、ブテン−１等のα−オレフインを主体とする
重合体であつて、これらのオレフインの単独重合体、共
重合体あるいはこれら重合体の混合物であり、そのよう
な重合体として低密度ポリエチレン、高密度ポリエチレ
ン、線状低密度ポリエチレン、結晶性ポリプロピレン、
ポリブテン−１、エチレン−プロピレン共重合体、エチ
レン・酢酸ビニル共重合体およびこれらの重合体の混合
物が例示できる。The polyolefin resin used in the present invention is a polymer mainly composed of α-olefin such as ethylene, propylene, butene-1, etc., and is a homopolymer, a copolymer or a mixture of these polymers of these olefins. Such polymers as low density polyethylene, high density polyethylene, linear low density polyethylene, crystalline polypropylene,
Examples thereof include polybutene-1, an ethylene-propylene copolymer, an ethylene / vinyl acetate copolymer, and a mixture of these polymers.
本発明においては、上記ポリオレフイン樹脂の中から
融点が20℃以上異る二種のものを選び、そのうちの低融
点のものを鞘成分とし高融点のものを芯成分として、複
合比70/30〜30/70で偏心鞘芯型に複合紡糸する。融点の
差が20℃未満であると、後述のクツシヨン材製造のため
の融着処理の許容温度範囲が狭くなると共に立体カール
の発現が不充分となり、また複合比が70/30〜30/70の範
囲を超したり同心鞘芯型の複合紡糸では立体カールの発
現が不充分となるので好ましくない。In the present invention, two kinds having a melting point of 20 ° C. or more are selected from the above polyolefin resins, and a low melting point is used as a sheath component and a high melting point is used as a core component. Composite spinning into eccentric sheath core type at 30/70. If the difference in melting point is less than 20 ° C., the allowable temperature range of the fusion treatment for the production of the cushion material described below becomes narrower and the appearance of three-dimensional curl becomes insufficient, and the composite ratio is 70/30 to 30/70. And the concentric sheath-core composite spinning is not preferable because the expression of three-dimensional curl becomes insufficient.
このようにして得られた複合未延伸糸は、延伸温度70
〜120℃で４〜９倍に延伸した後無張力下で95〜130℃で
２〜60秒間熱処理することにより、単糸繊度30〜3000デ
ニールでフイラメント長の３分の１以下のコイル長とフ
イラメント径の10倍以上のコイル径を有する立体カール
フイラメントとする。延伸と熱処理は連続して行つても
良く、延伸糸を一旦貯蔵した後熱処理しても良い。また
延伸糸を適当な長さに切断した後に熱処理することもで
きる。熱処理の熱源としては熱水、熱風あるいは赤外線
ランプ等がいずれも使用できる。The thus obtained composite undrawn yarn has a drawing temperature of 70%.
After stretching 4 to 9 times at ~ 120 ° C and then heat-treating at 95 to 130 ° C under tension for 2 to 60 seconds, the single-filament fineness is 30 to 3000 denier and the coil length is less than one third of the filament length. A three-dimensional curl filament having a coil diameter 10 times or more the filament diameter. The drawing and the heat treatment may be performed continuously, or the drawn yarn may be temporarily stored and then heat-treated. Further, after the drawn yarn is cut into an appropriate length, it can be heat-treated. As a heat source for the heat treatment, any of hot water, hot air, an infrared lamp and the like can be used.
ここで、コイル長とは、ある長さに切り取つた立体カ
ールフイラメント試片の長さを無張力状態で測定した長
さであり、フイラメント長とは上記試片のカールを展開
して測定した長さである。両者の比は、長さ３〜10cmの
試片５個についてそれぞれ測定したコイル長とフイラメ
ント長の比の平均値で表す。また、コイル径とは長さ10
cmの試片の平面投影図を用いて測定した立体カールフイ
ラメントのコイル外径の平均値であり、フイラメント径
とは立体カールフイラメントを構成するフイラメント自
身の直径である。これらコイル長、コイル径およびフイ
ラメント径の概念を第１図および第２図に例示する。Here, the coil length is a length obtained by measuring the length of a three-dimensional curl filament specimen cut to a certain length in an untensioned state, and the filament length is a length measured by developing the curl of the specimen. That's it. The ratio between the two is represented by the average value of the ratio between the coil length and the filament length measured for each of five specimens having a length of 3 to 10 cm. The coil diameter is 10
It is the average value of the coil outer diameter of the three-dimensional curl filament measured using a plane projection view of a cm specimen, and the filament diameter is the diameter of the filament itself constituting the three-dimensional curl filament. The concept of the coil length, the coil diameter and the filament diameter are illustrated in FIGS. 1 and 2.
立体カールフイラメントの太さは、エアフイルター用
には30〜2000デニール、椅子やマツトレスの詰物用には
100〜3000デニール、土木資材用には30〜3000デニール
のものが好適に用いられる。The thickness of the three-dimensional curl filament is 30 to 2000 denier for air filters, and for filling chairs and mattresses.
Those having a denier of 100 to 3000 and those of 30 to 3000 denier for civil engineering materials are preferably used.
このようにして得られた立体カールフイラメントをク
ツシヨン材とするには、その用途に応じた所定の型枠に
所望量だけ充填し、複合両成分の融点間の温度で融着処
理する。融着処理に用いる装置としては、熱風循環式加
熱装置が簡便であり、かつ、均一な加熱が可能であるの
で好適である。このようにして得られたクツシヨン材は
繊維の接点が鞘成分の融着により互に強固に接着されて
おり、繊維の大きなカール形状により嵩高であると共に
極めて弾力性に富み、強度の大きなものである。In order to make the three-dimensional curl filament obtained as described above into a cushion material, a predetermined amount is filled in a predetermined form according to the intended use, and a fusion treatment is performed at a temperature between the melting points of the two components. As a device used for the fusion treatment, a hot air circulation type heating device is preferable because it is simple and can perform uniform heating. The cushion material obtained in this manner is such that the contact points of the fibers are firmly adhered to each other by the fusion of the sheath component, and the fibers are bulky and extremely resilient due to the large curl shape of the fibers and have high strength. is there.
実施例１ 高密度ポリエチレン（メルトインデツクス15、融点13
0℃）を鞘成分とし、結晶性ポリプロピレン（メルトフ
ローレート６、融点165℃）を芯成分とし、複合比50/50
の偏心鞘芯型複合紡糸を紡糸ノズル径1.5mm、紡糸温度2
60℃、紡糸速度9.4mm/分の条件で行つて、単糸繊維4,98
0デニールの未延伸糸を得た。次いでこの未延伸糸を96
℃の熱水槽を用い延伸比5.0倍、延伸速度47.2m/分で延
伸し単糸繊度1,000デニールの延伸糸とし、繊維長128mm
に切断後、95℃の熱水槽に30秒間浸漬して立体カールフ
イラメントを得た。この立体カールフイラメントはコイ
ル長が平均39mm（コイル長／フイラメント長＝0.3）コ
イル径が平均11.3mm（コイル径／フイラメント径＝24）
であり、エアフイルターに好適に利用できるものであつ
た。Example 1 High-density polyethylene (melt index 15, melting point 13)
0 ° C) as a sheath component, crystalline polypropylene (melt flow rate 6, melting point 165 ° C) as a core component, and a composite ratio of 50/50.
Nozzle diameter 1.5mm, spinning temperature 2
At a temperature of 60 ° C and a spinning speed of 9.4 mm / min,
An undrawn yarn of 0 denier was obtained. Next, this undrawn yarn is
Using a hot water bath at ℃, draw ratio 5.0 times, draw speed 47.2m / min to give a drawn yarn of single denier fineness 1,000 denier, fiber length 128mm
After slicing into a hot water bath at 95 ° C. for 30 seconds, a three-dimensional curl filament was obtained. This three-dimensional curl filament has an average coil length of 39 mm (coil length / filament length = 0.3) and an average coil diameter of 11.3 mm (coil diameter / filament diameter = 24).
And it can be suitably used for an air filter.
実施例２ 実施例１と同様に複合紡糸し、但し紡糸速度は3.7m/
分として、単糸繊度12,656デニールの未延伸糸を得た。
この未延伸糸を96℃の熱水槽を有する延伸装置を用い、
延伸比6.0倍、延伸速度22.0m/分で延伸し、単糸繊度2,0
00デニールの延伸糸とした。得られた延伸糸のトウを13
0℃の熱風循環式ドライヤーで３分間熱処理して立体カ
ールフイラメントを得た。この立体カールフイラメント
は（コイル長／フイラメント長＝0.25）、コイル径平均
13.1mm（コイル径／フイラメント径＝21.8）であり、マ
ツトレスの詰物に好適に利用できるものであつた。Example 2 Composite spinning was performed in the same manner as in Example 1 except that the spinning speed was 3.7 m /
As a fraction, an undrawn yarn having a single yarn fineness of 12,656 denier was obtained.
Using a drawing device having a hot water tank of 96 ° C., this undrawn yarn,
Stretched at a draw ratio of 6.0 times and at a draw speed of 22.0 m / min.
The stretched yarn was 00 denier. 13 toe of the obtained drawn yarn
Heat treatment was performed for 3 minutes with a hot air circulating dryer at 0 ° C. to obtain a three-dimensional curl filament. This three-dimensional curl filament (coil length / filament length = 0.25) has an average coil diameter
The diameter was 13.1 mm (coil diameter / filament diameter = 21.8), which was suitable for use in mattress filling.
実施例３ デカブロモジフエニルオキサイドと三酸化アンチモン
の2:1混合物（重量比）を11.6％（重量）含有する結晶
性ポリプロピレン（メルトクローレート６、融点165
℃）を芯成分とし、2,2ビス（４−（2,3ジブロモプロポ
キシ）−3,5ジブロモフエニル）プロパンと三酸化アン
チモンの2:1混合物（重量比）を11.6％（重量）含有す
る高密度ポリエチレン（メルトインデツクス24、融点13
0℃）を鞘成分とし、複合比50/50で実施例１と同様に複
合紡糸、延伸、切断及び熱処理を行つて立体カールフイ
ラメントを得た。得られた立体カールフイラメントは
（コイル長／フイラメント長＝0.17）、（コイル径／フ
イラメント径＝33）であつた。Example 3 A crystalline polypropylene containing 11.6% (by weight) of a 2: 1 mixture (by weight) of decabromodiphenyl oxide and antimony trioxide (melt chlorate 6, melting point 165)
℃) as the core component, containing 11.6% (weight) of a 2: 1 mixture (weight ratio) of 2,2 bis (4- (2,3 dibromopropoxy) -3,5 dibromophenyl) propane and antimony trioxide High-density polyethylene (melt index 24, melting point 13
(0 ° C.) as a sheath component, and subjected to composite spinning, drawing, cutting and heat treatment at a composite ratio of 50/50 in the same manner as in Example 1 to obtain a three-dimensional curl filament. The obtained three-dimensional curl filament was (coil length / filament length = 0.17) and (coil diameter / filament diameter = 33).
この立体カールフイラメントをカード機を用い、目付
4000g/m2のウエブとし、150℃の熱風循環式乾燥機で２
分間融着処理したところ、立体カールフイラメントはそ
の鞘成分の融着により互の接点において固着した、厚さ
150mmの不織布状のマツトとなつた。このマツトは反撥
弾性が大きく椅子のクツシヨン材に適したものであつ
た。Using a three-dimensional curl filament with a card machine,
The web of 4000g / m 2, 2 at 0.99 ° C. in a hot air circulation type dryer
After three minutes of fusion, the three-dimensional curl filament was fixed at the point of mutual contact by fusion of its sheath component.
It was matted with a 150mm non-woven mat. This mat has a high rebound resilience and is suitable for cushion cushions.
実施例４ 高密度ポリエチレン（メルトインデツクス15、融点13
0℃）を鞘成分としポリエステル（極限粘度0.64、融点2
55℃）を芯成分とし紡糸ノズル径1.0mm、紡糸温度285
℃、紡糸速度23m/分の条件で複合比50/50の偏心鞘芯型
複合紡糸を行つて単糸繊度450デニールの未延伸糸を得
た。次いでこの未延伸糸を98℃の熱水槽を用い延伸比3.
0倍、アニール槽80℃、延伸速度70m/分で延伸し単糸繊
度150デニールの延伸糸を得た。得られた延伸糸（ト
ウ）を81mmに切断し、100℃の熱風循環式ドライヤーで
２分間熱処理して立体カールフイラメントを得た。この
立体カールフイラメントはコイル長平均15mm（コイル長
／フイラメント長＝0.17）、コイル径平均5mm（コイル
径／フイラメント径＝33.3）であつた。Example 4 High-density polyethylene (melt index 15, melting point 13)
Polyester (intrinsic viscosity 0.64, melting point 2)
55 ° C) as core component, spinning nozzle diameter 1.0mm, spinning temperature 285
An eccentric sheath-core composite spinning having a composite ratio of 50/50 was performed under the conditions of ° C and a spinning speed of 23 m / min to obtain an undrawn yarn having a single yarn fineness of 450 denier. Next, this undrawn yarn was drawn using a hot water bath at 98 ° C. with a draw ratio of 3.
The film was stretched at 0 times, in an annealing bath at 80 ° C., and at a stretching speed of 70 m / min to obtain a drawn yarn having a single yarn fineness of 150 denier. The obtained drawn yarn (tow) was cut into 81 mm, and heat-treated with a hot air circulation dryer at 100 ° C. for 2 minutes to obtain a three-dimensional curl filament. This three-dimensional curl filament had an average coil length of 15 mm (coil length / filament length = 0.17) and an average coil diameter of 5 mm (coil diameter / filament diameter = 33.3).
この立体カールフイラメントを上下両面を60メツシユ
の金網で張つた金型（縦横各200mm、厚さ50mm）に充填
し、150℃の熱風で３分間加熱することにより、立体カ
ールフイラメントの鞘成分の融着により形状が安定化さ
れた繊維成形体を得た。この繊維成形体はパツキング材
として好適に利用できた。This three-dimensional curl filament is filled into a mold (200 mm in length and width, 50 mm in thickness) which is stretched on both sides with a 60-mesh wire mesh, and heated for 3 minutes with hot air at 150 ° C to melt the sheath component of the three-dimensional curl filament. A fiber molded body whose shape was stabilized by the attachment was obtained. This fiber molded body could be suitably used as a packing material.
第１図および第２図は立体カールフイラメントの斜視図
であり、図中（Ａ）はカール長さを、（Ｂ）はカール径
を示す。1 and 2 are perspective views of a three-dimensional curl filament, in which (A) shows a curl length and (B) shows a curl diameter.
Claims (3)
イン樹脂から成り、その低融点のポリオレフイン樹脂を
鞘成分とする30〜3000デニールの偏芯鞘芯複合モノフイ
ラメントであって、フイラメント長の３分の１以下のコ
イル長とフイラメント径の10倍以上のコイル径を有する
ことを特徴とする立体カールフイラメント。An eccentric sheath-core composite monofilament comprising two kinds of polyolefin resins having a melting point difference of not less than 20 ° C. and having a low melting point polyolefin resin as a sheath component, having a filament length of 30 to 3000 deniers. A three-dimensional curl filament having a coil length of one third or less and a coil diameter of ten times or more the filament diameter.
イン樹脂を、その低融点のポリオレフイン樹脂を鞘成分
とするように、複合比70/30〜30/70で偏芯鞘芯型に複合
紡糸し、得られた未延伸糸を70〜120℃で４〜９倍に延
伸し、次いで無張力下で95〜130℃で熱処理することを
特徴とする請求項１に記載の立体カールフイラメントの
製造方法。2. An eccentric sheath-core composite having a composite ratio of 70/30 to 30/70, wherein two types of polyolefin resins having a melting point difference of 20 ° C. or more are used as a sheath component of the low-melting polyolefin resin. The three-dimensional curl filament according to claim 1, wherein the unstretched yarn obtained by spinning is stretched 4 to 9 times at 70 to 120 ° C, and then heat-treated at 95 to 130 ° C under no tension. Production method.
イン樹脂から成り、その低融点のポリオレフイン樹脂を
鞘成分とする30〜3000デニールの偏芯鞘芯複合モノフイ
ラメントであって、フイラメント長の３分の１以下のコ
イル長とフイラメント径の10倍以上のコイル径を有する
立体カールフイラメントから成るウエブを、上記二種類
のポリオレフイン樹脂の融点間の温度で熱処理して得ら
れる、フイラメントが互いにその接点で接着されている
クッション材。3. An eccentric sheath-core composite monofilament comprising two kinds of polyolefin resins having a melting point difference of not less than 20 ° C. and having a low melting point polyolefin resin as a sheath component, having a filament length of 30 to 3000 deniers. Filaments obtained by heat-treating a web consisting of a three-dimensional curl filament having a coil length of one-third or less and a coil diameter of ten times or more the filament diameter at a temperature between the melting points of the two types of polyolefin resins, Cushion material bonded at the contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63102186A JP2756966B2 (en) | 1988-04-25 | 1988-04-25 | 3D curl filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63102186A JP2756966B2 (en) | 1988-04-25 | 1988-04-25 | 3D curl filament |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01272823A JPH01272823A (en) | 1989-10-31 |
| JP2756966B2 true JP2756966B2 (en) | 1998-05-25 |
Family
ID=14320636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63102186A Expired - Fee Related JP2756966B2 (en) | 1988-04-25 | 1988-04-25 | 3D curl filament |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2756966B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5320197B2 (en) * | 2009-07-17 | 2013-10-23 | ダイワボウホールディングス株式会社 | Crimpable composite fiber and fiber assembly using the same |
| JP6472273B2 (en) * | 2015-03-04 | 2019-02-20 | 東洋紡Ｓｔｃ株式会社 | Short fiber for granular cotton, granular cotton, and stuffed cotton product using the same |
| CN110241479A (en) * | 2019-06-12 | 2019-09-17 | 佛山新晟泰新材料技术有限公司 | A kind of permanent curl Europe root yarn and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5952373B2 (en) * | 1975-07-21 | 1984-12-19 | 京セラ株式会社 | Exposure warning circuit |
| JPS521133A (en) * | 1976-06-18 | 1977-01-06 | Chisso Corp | Heat-bonding composite fibers and a process for manufacturing them |
| JPS62299514A (en) * | 1986-06-10 | 1987-12-26 | Daiwa Spinning Co Ltd | Thermally bondable hollow conjugated yarn |
-
1988
- 1988-04-25 JP JP63102186A patent/JP2756966B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01272823A (en) | 1989-10-31 |
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