JP3909240B2 - Elastic fiber treatment agent and elastic fiber - Google Patents
Elastic fiber treatment agent and elastic fiber Download PDFInfo
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- JP3909240B2 JP3909240B2 JP2001374964A JP2001374964A JP3909240B2 JP 3909240 B2 JP3909240 B2 JP 3909240B2 JP 2001374964 A JP2001374964 A JP 2001374964A JP 2001374964 A JP2001374964 A JP 2001374964A JP 3909240 B2 JP3909240 B2 JP 3909240B2
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Description
【0001】
【発明の属する技術分野】
本発明は制電性および解舒性に優れる弾性繊維用処理剤に関する。
【0002】
【従来の技術】
特公昭46−16312号公報には、一級アミンを配合した鉱物油からなる弾性繊維用処理剤が記載されている。特開平7−157969号公報には水溶性多価アルコールのEO付加物含有弾性繊維用油剤が記載されている。
特公昭51−37998号公報には、高級アルコールを添加した弾性繊維用油剤が記載されている。
【0003】
【発明が解決しようとする課題】
弾性繊維用処理剤は、シリコーン油、鉱物油およびエステル油などの疎水性のベースオイルを用いているために制電性を付与するために、極性の強い成分を多量に溶解させることが出来ず、制電剤を少量用いて若干の制電性を付与しているに過ぎない。また、解舒性については、高分子量の極性の強い成分や金属石鹸等の分散により向上させているのが現状である。
【0004】
【課題を解決するための手段】
本発明は、ベース成分として、シリコーン油、鉱物油、エステル油より選ばれる少なくとも一種類以上を使用し、水、炭素数1〜15の炭化水素基を有する低級アルコール及び該低級アルコールのアルキレンオキサイド(1〜5モル)付加物より選ばれる少なくとも一種類以上を0.1〜20重量%含有し、乳化剤を0.1〜10重量%含有するポリウレタン弾性繊維用処理剤である。また、本発明は上記処理剤が0.1〜15重量%付与されていることを特徴とするポリウレタン弾性繊維である。
【0005】
本発明は、ベース成分が、エステル油、鉱物油、シリコーン油より選ばれ、少なくとも一種類以上を使用する必要がある。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。本発明では、水、炭素数1〜15の炭化水素基を有する低級アルコール及び該低級アルコールのアルキレンオキサイド(1〜5モル)付加物より選ばれる少なくとも一種類以上を0.1〜20重量%含有する必要がある。好ましくは0.5〜10重量%である。低級アルコールの炭化水素基の炭素数は1〜10が好ましい。本発明は、水、低級アルコールおよびその変性体の量をコントロールすることにより弾性繊維表面のイソシアネートを失活させ、弾性繊維の強度・伸度をほとんど低下させずに、チーズの解舒性がよくなること、また、極性の強い成分を処理剤に添加することにより、制電性が向上することを見出したものである。本発明に使用する水、炭素数1〜15の炭化水素基を有する低級アルコール及び該低級アルコールのアルキレンオキサイド付加物の具体例としては、イオン交換水、軟水、硬水、メタノール、エタノール、イソプロパノール、ブタノール、ヘキサノール、オクタノール、ラウリルアルコール、フェノール、メタノールのエチレンオキサイド2モル付加物、ブタノールのエチレンオキサイド4モル付加物、プロパノールのプロピレンオキサイド3モル付加物、ラウリルアルコールのブチレンオキサイド2モル付加物などが挙げられる。中でも分子量が100以下の低分子量の化合物が活性水素のモル数が重量あたり多くなるので好ましい。
【0007】
本発明では、乳化剤を0.1〜30重量%含有する。乳化剤としては、従来公知の各種の界面活性剤が用いられる。乳化剤の添加量は好ましくは0.5〜15重量%である。
乳化剤の具体例としては、アルキルフェノールのEO付加物、POEアルキルアミノエーテル、POEアルキルアミドエーテル、POEアルキルエステルエーテル、POEジアルキルエステル、グリセリンモノエステル、グリセリントリエステルアミノ変性シリコーン、ポリエーテル変性シリコーン、リン酸変性シリコーン、ソルビタンモノエステル、ソルビタントリエステル、PO/EOブロックジオールアルカンスルホネート塩、アルキルベンゼンスルホネート塩、ジアルキルスルホサクシネート塩、アルキルサルフェート塩、アルキルホスフェート塩、POEアルキルエーテルホスフェート塩、4級アンモニウム塩、4級ホスホニウム塩等が挙げられる。
【0008】
また、本発明の処理剤には、平滑性及び制電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、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。
【0009】
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。
【0010】
【実施例】
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、各特性の評価は次の方法に従って行った。
【油剤の作用効果の評価法】
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。
【式1】
解舒速度比(%) =(巻取速度−解舒速度)/ 解舒速度 X 100
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。走行糸条より1cmのところで春日式電位差測定装置(17)で発生静電気を測定する。
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:
JIS L 1013に準じて測定を行った。
紡糸原液の調整:
数平均分子量1600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。
【0011】
実施例1〜6
ポリウレタン紡糸原液を185℃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400m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。
【0012】
【表1】
【0013】
実施例7〜11及び比較例1〜3
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、ジメチルシリコーン100mm2/sを0.2重量%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185℃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400m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。
【0014】
【表2】
【0015】
【発明の効果】
本発明の処理剤を用いることにより安定した解舒性、及び、制電性を弾性繊維に与えることができる。
【0016】
【図面の簡単な説明】
【図1】解舒速度比の測定方法を説明する模式図。
【図2】編成張力の測定方法を説明する模式図。
【符号の説明】
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[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a treatment agent for elastic fibers having excellent antistatic properties and unwinding properties.
[0002]
[Prior art]
Japanese Examined Patent Publication No. 46-16312 discloses a treatment agent for elastic fibers made of mineral oil containing a primary amine. Japanese Patent Application Laid-Open No. 7-157969 describes an oil additive for elastic fibers containing an EO adduct of a water-soluble polyhydric alcohol.
Japanese Examined Patent Publication No. 51-37998 describes an elastic fiber oil to which a higher alcohol is added.
[0003]
[Problems to be solved by the invention]
Since the treatment agent for elastic fibers uses hydrophobic base oils such as silicone oil, mineral oil and ester oil, it cannot dissolve a large amount of highly polar components in order to impart antistatic properties. Only a little antistatic property is imparted by using a small amount of antistatic agent. In addition, the unwinding property is currently improved by dispersing high molecular weight polar components and metal soaps.
[0004]
[Means for Solving the Problems]
In the present invention, as a base component, at least one selected from silicone oil, mineral oil, and ester oil is used. Water, a lower alcohol having a hydrocarbon group having 1 to 15 carbon atoms, and an alkylene oxide of the lower alcohol ( 1 to 5 mol) A processing agent for polyurethane elastic fibers containing 0.1 to 20% by weight of at least one selected from adducts and 0.1 to 10% by weight of an emulsifier. Moreover, this invention is a polyurethane elastic fiber characterized by the above-mentioned processing agent being 0.1-15 weight%.
[0005]
In the present invention, the base component is selected from ester oil, mineral oil, and silicone oil, and it is necessary to use at least one kind. 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 treating agent becomes a problem, and if it exceeds 30 mm 2 / s, the smoothness is inferior. In this invention, 0.1-20 weight% of at least 1 or more types chosen from water, the lower alcohol which has a C1-C15 hydrocarbon group, and the alkylene oxide (1-5 mol) of this lower alcohol is contained. There is a need to. Preferably, it is 0.5 to 10% by weight. As for carbon number of the hydrocarbon group of a lower alcohol, 1-10 are preferred. The present invention controls the amount of water, lower alcohol and its modified product to deactivate isocyanate on the surface of the elastic fiber and improve the unraveling property of the cheese without substantially reducing the strength and elongation of the elastic fiber. In addition, the inventors have found that the antistatic property is improved by adding a highly polar component to the treatment agent. Specific examples of water, a lower alcohol having 1 to 15 carbon atoms and an alkylene oxide adduct of the lower alcohol used in the present invention include ion-exchanged water, soft water, hard water, methanol, ethanol, isopropanol, and butanol. , Hexanol, octanol, lauryl alcohol, phenol,
[0007]
In the present invention, the emulsifier is contained in an amount of 0.1 to 30% by weight. As the emulsifier, conventionally known various surfactants are used. The amount of the emulsifier added is preferably 0.5 to 15% by weight.
Specific examples of the emulsifier include EO adduct of alkylphenol, POE alkylamino ether, POE alkylamide ether, POE alkyl ester ether, POE dialkyl ester, glycerin monoester, glycerin triester amino-modified silicone, polyether-modified silicone, phosphoric acid Modified silicone, sorbitan monoester, sorbitan triester, PO / EO block diol alkane sulfonate salt, alkylbenzene sulfonate salt, dialkyl sulfosuccinate salt, alkyl sulfate salt, alkyl phosphate salt, POE alkyl ether phosphate salt, quaternary ammonium salt, 4 Grade phosphonium salts and the like.
[0008]
In addition, in order to enhance the smoothness and antistatic 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, and Ca stearate, Mg stearate, Al stearate, Ba stearate, zinc 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.
[0009]
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.
[0010]
【Example】
The present invention will be specifically described below with reference to examples.
In addition, evaluation of each characteristic in a specific example was performed according to the following method.
[Evaluation method for the effect of oil]
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
[Formula 1]
Unwinding speed ratio (%) = (winding speed−unwinding speed) / unwinding speed X 100
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. Is measured with a U gauge (13), and the friction (g) between the fibers / knitting needles is measured. The generated static electricity is measured with a Kasuga-type potentiometer (17) at 1 cm from the running yarn.
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
Strength elongation:
Measurements were performed according to JIS L 1013.
Preparation of spinning dope:
A polytetramethylene ether glycol having a number average molecular weight of 1600 is reacted with 4,4′-diphenylmethane diisocyanate in a molar ratio of 1: 2, and then chain-extended using a dimethylformamide solution of 1,2-diaminopropane to obtain a polymer concentration of 33%. Of dimethylformamide was obtained. The concentration at 30 ° C. was 1800 mPaS.
[0011]
Examples 1-6
It was dry-spun by discharging the N 2 in a stream of a polyurethane spinning dope 185 ℃. After applying 6% by weight of the treatment agent shown in Table 1 (parts by weight in the table) to the fiber with an oiling roller on the running yarn during spinning, it was wound around a bobbin at a speed of 400 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.
[0012]
[Table 1]
[0013]
Examples 7-11 and Comparative Examples 1-3
Reaction of 100 parts by weight of polytetramethylene glycol having a controlled number average molecular weight of 2000 and 25 parts by weight of 4,4′-diphenylmethane diisocyanate at 80 ° C. and adding 250 parts by weight of N, N′-dimethylacetamide and reaction 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, and 0.2% by weight of dimethyl silicone 100 mm 2 / s was added.
The polyurethane spinning dope thus obtained was discharged from a spinneret having four pores into an N 2 air stream at 185 ° 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 with an oiling roller, it was wound around a bobbin at a speed of 400 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.
[0014]
[Table 2]
[0015]
【The invention's effect】
By using the treatment agent of the present invention, it is possible to impart stable unwinding property and antistatic property to the elastic fiber.
[0016]
[Brief description of the drawings]
FIG. 1 is a schematic diagram illustrating a method for measuring a unwinding speed ratio.
FIG. 2 is a schematic diagram illustrating a method for measuring knitting tension.
[Explanation of symbols]
DESCRIPTION OF
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001374964A JP3909240B2 (en) | 2001-11-02 | 2001-11-02 | Elastic fiber treatment agent and elastic fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001374964A JP3909240B2 (en) | 2001-11-02 | 2001-11-02 | Elastic fiber treatment agent and elastic fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003147675A JP2003147675A (en) | 2003-05-21 |
| JP3909240B2 true JP3909240B2 (en) | 2007-04-25 |
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| JP2001374964A Expired - Lifetime JP3909240B2 (en) | 2001-11-02 | 2001-11-02 | Elastic fiber treatment agent and elastic fiber |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007100291A (en) * | 2005-09-09 | 2007-04-19 | Matsumoto Yushi Seiyaku Co Ltd | Elastic fiber treatment agent and elastic fiber |
| JP5139828B2 (en) * | 2008-02-07 | 2013-02-06 | 松本油脂製薬株式会社 | Elastic fiber treatment agent and elastic fiber |
| JP6083917B1 (en) * | 2016-04-07 | 2017-02-22 | 竹本油脂株式会社 | Treatment agent for elastic fiber, elastic fiber, and method for producing polyurethane-based elastic fiber |
| JP6026038B1 (en) * | 2016-05-10 | 2016-11-16 | 竹本油脂株式会社 | Elastic fiber treatment agent, elastic fiber treatment method, and elastic fiber |
| JP6962618B1 (en) | 2020-09-07 | 2021-11-05 | 竹本油脂株式会社 | Elastic fiber treatment agent and elastic fiber |
| JP7043107B1 (en) * | 2021-11-29 | 2022-03-29 | 竹本油脂株式会社 | Treatment agents for elastic fibers and elastic fibers |
-
2001
- 2001-11-02 JP JP2001374964A patent/JP3909240B2/en not_active Expired - Lifetime
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