JP4443313B2 - Elastic fiber treatment agent and elastic fiber - Google Patents
Elastic fiber treatment agent and elastic fiber Download PDFInfo
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- JP4443313B2 JP4443313B2 JP2004173234A JP2004173234A JP4443313B2 JP 4443313 B2 JP4443313 B2 JP 4443313B2 JP 2004173234 A JP2004173234 A JP 2004173234A JP 2004173234 A JP2004173234 A JP 2004173234A JP 4443313 B2 JP4443313 B2 JP 4443313B2
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- elastic fiber
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- mineral oil
- elastic
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- 239000003795 chemical substances by application Substances 0.000 title claims description 22
- 210000004177 elastic tissue Anatomy 0.000 title claims description 20
- 239000002480 mineral oil Substances 0.000 claims description 13
- 235000010446 mineral oil Nutrition 0.000 claims description 12
- 238000009987 spinning Methods 0.000 claims description 10
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 8
- 150000002009 diols Chemical class 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 6
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 230000001588 bifunctional effect Effects 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 3
- 239000010696 ester oil Substances 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 2
- 150000002483 hydrogen compounds Chemical class 0.000 claims 1
- 235000013351 cheese Nutrition 0.000 description 13
- 229920001296 polysiloxane Polymers 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000009940 knitting Methods 0.000 description 6
- -1 ether carboxylates Chemical class 0.000 description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 229920002050 silicone resin Polymers 0.000 description 4
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 229920002334 Spandex Polymers 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-M hexadecanoate Chemical compound CCCCCCCCCCCCCCCC([O-])=O IPCSVZSSVZVIGE-UHFFFAOYSA-M 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 239000004759 spandex Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- 239000004970 Chain extender Substances 0.000 description 1
- DCXXMTOCNZCJGO-UHFFFAOYSA-N Glycerol trioctadecanoate Natural products CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000000578 dry spinning Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Description
本発明は、平滑性に優れる弾性繊維用油剤に関する。 The present invention relates to an oil agent for elastic fibers having excellent smoothness.
特開平９−７８４５０号には、実施例にエーテルカルボン酸塩類と６０秒の鉱物油を含有する弾性繊維紡糸用油剤が記載され、特開平１０−２９８８６４号には、実施例にスルホコハク酸（塩）類と６０秒の鉱物油を含有する弾性繊維用油剤が記載されている。
これまで弾性繊維には、芳香環が存在すると糸を劣化させるために、鉱物油として、流動パラフィンのグレードが用いられてきたが、本発明は特定の範囲の芳香環を有し、かつ特定範囲のナフテン比率の鉱物油を用いることにより糸の平滑性が向上しかつＦ／Ｆμｓが向上することを見出したものである。In the past, liquid fiber paraffin grades have been used as mineral oils in order to degrade yarns in the presence of aromatic rings in elastic fibers, but the present invention has a specific range of aromatic rings and a specific range. It has been found that the use of a mineral oil having a naphthenic ratio of 2 improves the smoothness of the yarn and improves the F / F μs.
本発明の弾性繊維用処理剤は、分子鎖中にウレタン結合またはウレタン結合とウレア結合とを有し、高分子ジオール、芳香族ジイソシアネートおよび低分子の二官能性活性水素化合物を主原料として製造されるポリウレタンポリマーを紡糸して得られる弾性繊維用処理剤であって、該処理剤は、ベース成分として、鉱物油とシリコーン油および／またはエステル油とを含み、該鉱物油の含有量が処理剤に対して３０〜８５重量％であり、該鉱物油が粘度３〜２５ｍｍ２／ｓ（３０℃）、ナフテン重量％２５〜６０、アロマ重量％１〜２０、アニリン点５０〜１０５℃を満足するものである。
また、本発明の弾性繊維は、上記処理剤が弾性繊維に対して０．１〜１５重量％付与されていることを特徴とする。
The treatment agent for elastic fibers of the present invention has a urethane bond or a urethane bond and a urea bond in a molecular chain, and is produced using a high molecular diol, an aromatic diisocyanate, and a low molecular bifunctional active hydrogen compound as main raw materials. A processing agent for elastic fibers obtained by spinning a polyurethane polymer comprising a mineral oil and a silicone oil and / or an ester oil as a base component, the content of the mineral oil being a processing agent. The mineral oil satisfies a viscosity of 3 to 25 mm 2 / s (30 ° C.), a naphthene weight of 25 to 60, an aroma weight of 1 to 20, and an aniline point of 50 to 105 ° C. Is.
Further, the elastic fiber of the present invention is characterized in that the treatment agent is added in an amount of 0.1 to 15% by weight with respect to the elastic fiber.
本発明は、ベース成分に特定の鉱物油を用いることにより、糸の平滑性が向上しかつＦ／Ｆμｓが向上することを見出した点にある。即ち、アロマ重量％が１〜２０にある必要がある。１重量％未満では芳香環の効果が出ない。また、２０重量％を超えると、弾性繊維を劣化させる場合がある。ナフテン重量％は２５〜６０の間にある必要がある。２５重量％以下では平滑性及びＦ／Ｆμｓ向上効果が不十分で、６０重量％を超えると弾性繊維を劣化させる場合がある。
アニリン点は５０〜１０５℃の範囲にある必要がある。この範囲にあると、パラフィンとアロマ％とナフテン％の比率が最も平滑性に効果の出る割合になる。This invention exists in the point which discovered that the smoothness of a thread | yarn improved and F / Fmicros improved by using a specific mineral oil for a base component. That is, the aroma weight% needs to be 1-20. If it is less than 1% by weight, the effect of the aromatic ring does not appear. Moreover, when it exceeds 20 weight%, an elastic fiber may be deteriorated. The naphthene weight percent should be between 25-60. If it is 25% by weight or less, the smoothness and the effect of improving F / F μs are insufficient, and if it exceeds 60% by weight, the elastic fiber may be deteriorated.
The aniline point needs to be in the range of 50-105 ° C. Within this range, the ratio of paraffin, aroma% and naphthene% is the most effective for smoothness.
本発明の処理剤は３０℃における粘度が３〜３０ｍｍ２／ｓが好ましい。
３ｍｍ２／ｓ未満では、処理剤の揮発が問題となり、３０ｍｍ２／ｓを超えると平滑性に劣る。The treatment agent of the present invention preferably has a viscosity at 30 ° C. of 3 to 30 mm 2 / s.
If it is less than 3 mm 2 / s, volatilization of the treatment agent becomes a problem, and if it exceeds 30 mm 2 / s, the smoothness is inferior.
本発明に用いる鉱物油は、３０℃における粘度が３〜２５ｍｍ２／ｓにある必要がある。この範囲にあると、糸の平滑性及びＦ／Ｆμｓ向上に最も効果のある領域である。
本発明の範囲の鉱物油は５重量％以上用いる必要がある。５重量％に満たないと本発明の効果が発揮できない。好ましくは３０重量％以上である。
本発明の処理剤には、通常用いられるシリコーン油、エステル油を本発明の効果を損なわない範囲内で使用することができる。The mineral oil used in the present invention needs to have a viscosity at 30 ° C. of 3 to 25
It is necessary to use 5% by weight or more of the mineral oil within the scope of the present invention. The effect of the present invention cannot be exhibited unless the content is less than 5% by weight. Preferably it is 30 weight% or more.
For the treatment agent of the present invention, commonly used silicone oils and ester oils can be used as long as the effects of the present invention are not impaired.
本発明にいう弾性繊維とは、分子鎖中にウレタン結合またはウレタン結合とウレア結合とを有するポリウレタンポリマーを紡糸して得られる繊維をいい、このポリマーを適当な溶媒に溶かして乾式紡糸または湿式紡糸することにより、またはそのまま溶融して溶融紡糸により製造される繊維である。このポリマーは一般には、低融点、低ガラス転移点をもつ高分子量のジオール、ジイソシアネートおよび鎖延長剤と呼ばれる低分子量の二官能性活性水素化合物とを主原料として製造される。高分子量ジオールにはポリエステルジオール、ポリエーテルジオール、ポリカーボネートジオールまたはこれらの共重合物が使用される。またジイソシアネートとしては通常、トリレンジイソシアネート（ＴＤＩ）、４，４−ジフェニルメタンジイソシアネート（ＭＤＩ）等の芳香族ジイソシアネート、ヘキサメチレンジイソシアネート等の脂肪族ジイソシアネート、イソホロンジイソシアネートのような環状脂肪族ジイソシアネート類が使用される。低分子の二官能性活性水素化合物としては、アルカンジアミン、アルカンジオールなどが上げられる。The elastic fiber referred to in the present invention means a fiber obtained by spinning a polyurethane polymer having a urethane bond or a urethane bond and a urea bond in a molecular chain, and the polymer is dissolved in an appropriate solvent to dry spinning or wet spinning. Or a fiber produced by melt spinning by melting as it is. This polymer is generally produced from a high molecular weight diol having a low melting point and a low glass transition point, a diisocyanate and a low molecular weight bifunctional active hydrogen compound called a chain extender. As the high molecular weight diol, polyester diol, polyether diol, polycarbonate diol or a copolymer thereof is used. As the diisocyanate, aromatic diisocyanates such as tolylene diisocyanate (TDI) and 4,4-diphenylmethane diisocyanate (MDI), aliphatic diisocyanates such as hexamethylene diisocyanate, and cyclic aliphatic diisocyanates such as isophorone diisocyanate are usually used. The Examples of the low molecular bifunctional active hydrogen compound include alkanediamine and alkanediol.
また、本発明の処理剤には、平滑性の効果を高めるために高級脂肪酸の金属石鹸が０．０１〜５重量部添加されていても良い。高級脂肪酸の金属石鹸としては、従来弾性繊維に用いられている公知のものを用いることができ、パルミチン酸Ｃａ、パルミチン酸Ｍｇ、ステアリン酸Ｃａ、ステアリン酸Ｍｇ、ステアリン酸Ａｌ、ステアリン酸Ｂａ、ステアリン酸亜鉛、ステアリン酸Ｌｉ等が好ましい。
また、本発明の処理剤には従来の公知の変性シリコーン（アルキル変性シリコーン、エステル変性シリコーン、カルビノール変性シリコーン、カルボキシ変性シリコーン、メルカプト変性シリコーン、エポキシ変性シリコーン、ＭＱシリコーンレジン、ＭＱＴシリコーンレジン、Ｔシリコーンレジン、ＤＴシリコーンレジン等）やつなぎ剤、制電剤、酸化防止剤、紫外線吸収剤等、通常弾性繊維の処理剤に用いられる成分を配合することができる。Moreover, in order to improve the smoothness effect, 0.01 to 5 parts by weight of a higher fatty acid metal soap may be added to the treatment agent of the present invention. As the higher fatty acid metal soap, known ones conventionally used for elastic fibers can be used, such as Ca palmitate, Mg palmitate, Ca stearate, Mg stearate, Al stearate, Ba stearate, stearin. Zinc acid, lithium stearate and the like are preferable.
The treatment agent of the present invention includes conventionally known modified silicones (alkyl-modified silicone, ester-modified silicone, carbinol-modified silicone, carboxy-modified silicone, mercapto-modified silicone, epoxy-modified silicone, MQ silicone resin, MQT silicone resin, T Silicone resins, DT silicone resins, etc.), binders, antistatic agents, antioxidants, ultraviolet absorbers, and other components that are usually used for treating elastic fibers can be blended.
本発明の処理剤は、通常、弾性繊維に対して０．１〜１５重量％付与される。The treatment agent of the present invention is usually applied in an amount of 0.1 to 15% by weight with respect to the elastic fiber.
以下実施例により本発明を具体的に説明する。
なお具体例における、油剤特性の評価は次の方法に従って行った。
解舒速度比：
図１において、解舒速度比測定機の解舒側に処理剤を付与した繊維のチーズ（１）をセットし、巻き取り側紙管（２）をセットする。
巻き取り速度を一定速度にセットした後、ローラー（３）及び（４）を同時に起動させる。この状態では糸（５）に張力はほとんどかからないため、糸はチーズ上で膠着して離れないため解舒点（６）は図１に示す状態にある。解舒速度を変えることによって、チーズからの糸（５）の解舒点（６）が変わるので、この点がチーズとローラーとの接点（７）と一致するように解舒速度を設定する。解舒速度比は式１によって求める。この値が小さいほど、解舒性が良いことを示す。
解舒速度比（％）＝（巻き取り速度−解舒速度）／解舒速度 × １００
Ｆ／Ｆμｓ：１０デニールあたり２ｇの荷重をかけたＳｐａｎｄｅｘとＳｐａｎｄｅｘを交差させ、１０ｃｍ／ｍｉｎ．で低速走行させた時の摩擦力。
編成張力：
図２において、チーズ（８）から縦取りした弾性糸（９）をコンペンセーター（１０）を経てローラー（１１）、編み針（１２）を介して、Ｕゲージ（１３）に付したローラー（１４）を経て速度計（１５）、巻き取りローラー（１６）に連結する。速度計（１５）での走行速度が定速（例えば、１０ｍ／分、１００ｍ／分）になるように巻き取りローラーの回転速度を調整して、巻き取りローラーに巻き取り、そのときの編成張力（ｇ）をＵゲージ（１３）で測定し、繊維／編み針間の摩擦
（ｇ）を計測する。
ローラー静電気：
解舒速度比測定機の解舒側にチーズをセットし、５０ｍ／分の周速で回転させ、チーズ上２ｃｍのところにおいて、春日式電位差測定装置で、回転を始めて１時間後の発生静電気を測定する
強度伸度：
ＪＩＳ１０１３に準じて測定を行った。
粘度：キャノンフェンスケ粘度計を用い３０℃における試料液の動粘度を求めた。
アニリン点：ＪＩＳ Ｋ ２２５６により測定した。
アロマ重量％およびナフテン重量％：ＪＩＳ Ｋ ２５３６により測定した。The present invention will be specifically described below with reference to examples.
In addition, the evaluation of the oil agent characteristics in the specific examples was performed according to the following method.
Unwinding speed ratio:
In FIG. 1, the cheese (1) of the fiber which gave the processing agent to the unwinding side of the unwinding speed ratio measuring machine is set, and the winding side paper tube (2) is set.
After setting the winding speed to a constant speed, the rollers (3) and (4) are started simultaneously. In this state, there is almost no tension on the yarn (5), so the yarn is stuck on the cheese and does not leave, so the unwinding point (6) is in the state shown in FIG. By changing the unwinding speed, the unwinding point (6) of the yarn (5) from the cheese is changed, and the unwinding speed is set so that this point coincides with the contact point (7) between the cheese and the roller. The unraveling speed ratio is obtained by
Unwinding speed ratio (%) = (winding speed−unwinding speed) / unwinding speed × 100
F / Fμs: The spandex and the spandex applied with a load of 2 g per 10 denier are crossed, and 10 cm / min. Frictional force when running at low speed.
Knitting tension:
In FIG. 2, the elastic yarn (9) vertically taken from the cheese (8) is passed through the compensator (10), the roller (11), and the roller (14) attached to the U gauge (13) via the knitting needle (12). And connected to a speedometer (15) and a take-up roller (16). The rotational speed of the take-up roller is adjusted so that the traveling speed of the speedometer (15) becomes a constant speed (for example, 10 m / min, 100 m / min), and the knitting tension at that time is taken up by the take-up roller. (G) is measured with a U gauge (13), and the friction (g) between the fibers / knitting needles is measured.
Roller static electricity:
Set cheese on the unwinding side of the unwinding speed ratio measuring machine, rotate it at a peripheral speed of 50 m / min, and use the Kasuga-type potentiometer to measure the generated
Measurement was performed according to JIS1013.
Viscosity: The kinematic viscosity of the sample solution at 30 ° C. was determined using a Canon Fenske viscometer.
Aniline point: Measured according to JIS K 2256.
Aroma weight% and naphthene weight%: Measured according to JIS K2536.
紡糸原液の調整：
数平均分子量１８００のポリテトラメチレンエーテルグリコールと４，４‘−ジフェニルメタンジイソシアネートをモル比率１：２で反応させ、次いで１，２−ジアミノプロパンのジメチルホルムアミド溶液を用いて鎖延長し、ポリマー濃度３３％のジメチルホルムアミド溶液を得た。３０℃での濃度は１８００ｍＰａＳであった。
ポリウレタン紡糸原液を２０５℃のＮ２気流中に吐出して乾式紡糸した。紡糸中走行糸に表１に記載の処理剤（表中の配合量は重量部）をオイリングローラーにより繊維に対して６重量％付与した後、毎分７００ｍの速度でボビンに巻き取り７７ｄｔｅｘモノフィラメントチーズ（巻き量４００ｇ）を得た。得られたチーズを３５℃、５０％ＲＨの雰囲気中に４８時間放置して評価に供した。Preparation of spinning dope:
A polytetramethylene ether glycol having a number average molecular weight of 1800 is reacted with 4,4′-diphenylmethane diisocyanate at a molar ratio of 1: 2, and then chain-extended using a 1,2-diaminopropane solution in dimethylformamide to obtain a polymer concentration of 33%. Of dimethylformamide was obtained. The concentration at 30 ° C. was 1800 mPaS.
The polyurethane spinning dope was discharged into 205 ° C. N 2 stream and dry-spun. After applying 6% by weight of the treatment agent shown in Table 1 to the running yarn during spinning (weight part in the table) with respect to the fiber by an oiling roller, it is wound on a bobbin at a speed of 700 m / min. 77 dtex monofilament cheese (Amount of winding 400 g) was obtained. The obtained cheese was left for 48 hours in an atmosphere of 35 ° C. and 50% RH for evaluation.
紡糸原液の調整
数平均分子量２０００のポリテトラメチレングリコール１００重量部と４，４‘−ジフェニルメタンジイソシアネート２５重量部を８０℃で反応させ、Ｎ，Ｎ’−ジメチルアセトアミド２５０重量部を加え冷却しながら反応混合物を溶解させた。１，２−ジアミノプロパン５重量部をＮ，Ｎ’−ジメチルアセトアミド１８４重量部に溶解させたものを添加した。
この様にして得られたポリウレタン紡糸原液を４つの細孔を有する紡糸口金より１９５℃のＮ２気流中に吐出して乾式紡糸した。
紡糸中走行糸に表２に記載の処理剤をオイリングローラーにより繊維に対して６重量％付与した後、毎分７００ｍの速度でボビンに巻き取り、４４ｄｔｅｘマルチフィラメントのチーズ（巻き量４００ｇ）を得た。
得られたチーズを３５℃、５０％ＲＨの雰囲気中に４８時間放置して評価に供した。Preparation of spinning dope 100 parts by weight of polytetramethylene glycol having a number average molecular weight of 2000 and 25 parts by weight of 4,4′-diphenylmethane diisocyanate were reacted at 80 ° C., and 250 parts by weight of N, N′-dimethylacetamide was added and reacted while cooling. The mixture was dissolved. A solution prepared by dissolving 5 parts by weight of 1,2-diaminopropane in 184 parts by weight of N, N′-dimethylacetamide was added.
The polyurethane spinning dope thus obtained was discharged from a spinneret having four pores into a N 2 gas stream at 195 ° C. and dry-spun.
After applying 6% by weight of the treatment agent shown in Table 2 to the running yarn during spinning with respect to the fiber by an oiling roller, it was wound around a bobbin at a speed of 700 m / min to obtain 44 dtex multifilament cheese (400 g of winding amount). It was.
The obtained cheese was left for 48 hours in an atmosphere of 35 ° C. and 50% RH for evaluation.
本発明の処理剤を用いることにより安定した平滑性、及び、Ｆ／Ｆμｓの向上を弾性繊維に与えることができる。 By using the treatment agent of the present invention, stable smoothness and improvement in F / F μs can be imparted to the elastic fiber.
１ チーズ
２ 巻き取り用紙管
３ ローラー
４ ローラー
５ 走行糸条
６ 解舒点
７ チーズとローラーの接点
８ チーズ
９ 走行糸条
１０ コンペンセーター
１１ ローラー
１２ 編み針
１３ Ｕゲージ
１４ ローラー
１５ 速度計
１６ 巻き取りローラー
１７ 春日式電位差測定装置DESCRIPTION OF
Claims (2)
該処理剤は、ベース成分として、鉱物油とシリコーン油および／またはエステル油とを含有し、
該鉱物油の含有量が、処理剤に対して３０〜８５重量％であり、
該鉱物油が、粘度３〜２５ｍｍ２／ｓ（３０℃）、ナフテン重量％２５〜６０、アロマ重量％１〜２０、アニリン点５０〜１０５℃を満足する、弾性繊維用処理剤。 Elasticity obtained by spinning a polyurethane polymer that has urethane bonds in the molecular chain or urethane bonds and urea bonds, and is produced using high molecular diols, aromatic diisocyanates, and low molecular bifunctional active hydrogen compounds as the main raw materials. A treating agent for fibers ,
The treating agent contains, as a base component, mineral oil and silicone oil and / or ester oil,
The content of the mineral oil is 30 to 85% by weight with respect to the treatment agent,
The processing agent for elastic fibers , wherein the mineral oil satisfies a viscosity of 3 to 25 mm 2 / s (30 ° C), naphthene weight% 25 to 60, aroma weight% 1 to 20, and aniline point 50 to 105 ° C.
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