JP2700976B2 - Improved silk spinning raw material and method for scouring organic solvent such as silk spinning - Google Patents

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【産業上の利用分野】本発明は絹紡原料及び絹紡糸等の
精練、特に残留する有機溶剤可溶分を除去する有機溶剤
精練に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to scouring of silk spinning materials and silk spinning, and more particularly to scouring of organic solvents for removing residual organic solvent-soluble components.

【０００２】[0002]

【従来の技術】絹は繊維の女王と称せられ、その優雅な
風合いや光沢、なめらかなドレープ性、あざやかな染色
性等、他の繊維の追随を許さない高貴な品格を持つ。絹
繊維は、当然のことながら繭糸であって、天然繊維唯一
の長繊維である。これがいわゆる生糸であって、これは
温水で煮熟して膨潤した繭から繭糸を解舒巻取って（繰
糸）製造する。家蚕繭糸は二層構造を持っていて、中心
に繭糸の本体であるフィブロイン層があり、その外側を
セリシン層が覆っている。セリシンは硬蛋白質に属し、
一般に絹糸の光沢や風合の品位や染色性を低めるため糸
又は織編物の段階で精練加工を実施しほぼ完全に除去す
る。精練加工前の絹繊維は約７５％がフィブロイン層、
２５％がセリシン層である。2. Description of the Related Art Silk is called a queen of fibers, and has a noble dignity, such as its elegant texture, luster, smooth drape, and vivid dyeability, which cannot be matched by other fibers. Silk fiber is naturally a cocoon thread and is the only long fiber of natural fiber. This is so-called raw silk, which is produced by unwinding and winding (filing) a cocoon from a cocoon swollen by simmering in warm water. The silkworm cocoon has a two-layer structure, with a fibroin layer, the main body of the cocoon, at the center, and a sericin layer covering the outside. Sericin belongs to the hard protein,
Generally, scouring is performed at the stage of yarn or woven or knitted fabric in order to reduce the luster of the silk yarn, the quality of the hand, and the dyeability, and is almost completely removed. About 75% of the silk fiber before scouring is a fibroin layer,
25% is the sericin layer.

【０００３】一方、繭糸を短繊維にカットし、これを紡
績したものが、絹紡糸であって、一般に生糸を製造する
際の屑物（副蚕糸）を原料とし、これを精練後製綿，製
糸工程を経て所定の太さに紡績し製造する。[0003] On the other hand, cocoon thread is cut into short fibers and spun therefrom is a silk spun, which is generally made of waste (sub-silkworm) used in the production of raw silk, which is refined into cotton, After spinning, it is spun to a specified thickness and manufactured.

【０００４】絹紡糸製造工程の特徴は脱セリシンを目的
とする精練処理が、かなり重要な前工程として必要なこ
とである。即ちセリシンが生糸と同程度の割合で残存し
たままの副蚕糸そのままでは繊維が著しく粗硬で、その
ため製綿することすら困難であり、ましてや製条，紡績
は不可能である。従って、絹紡糸製造では、まず原料の
副蚕糸のセリシンの大部分を除去することが必要である
（セリシン分５％以下）。[0004] A feature of the silk spinning production process is that a scouring treatment for the purpose of removing sericin is required as a very important pre-process. In other words, if the sub-silk silk is left as sericin at the same ratio as the raw silk, the fiber is extremely coarse and hard, so that it is difficult to even produce cotton, and it is even more difficult to produce and spin. Therefore, in the production of silk spinning, it is necessary to first remove most of the sericin of the sub-silk as a raw material (the sericin content is 5% or less).

【０００５】絹紡原料の精練方法としては、大別して腐
化精練と化学精練（含酵素精練）とに分類される。この
内腐化精練は自然界のバクテリアの働きで、セリシンや
油脂、その他蛹体構成成分を醗酵分解するものである
が、斯かる方法は、醗酵に伴う悪臭の発生、長時間の醗
酵工程（２〜３日）による生産性の低さ等の問題点があ
り、最近は主として化学精練が種々検討されている。[0005] Refining methods of silk spinning materials are roughly classified into saponification refining and chemical refining (enzyme-containing refining). This internal scouring scouring is a function of bacteria in the nature to ferment and decompose sericin, oils and fats, and other constituents of the pupal body. 3)), there is a problem such as low productivity, and recently various studies have been mainly made on chemical scouring.

【０００６】ところで、化学精練の場合、腐化精練と違
って、前述の蛹体構成成分である油分や、絹糸本体が含
有するワックス類（通常絹糸紡績業ではまとめて蛹油と
称している）の除去を、セリシン除去を目的とした精練
工程で同時に実施するのは困難で別工程で実施される。By the way, in the case of chemical scouring, unlike the saponification scouring, the oil, which is a constituent of the pupal body, and the waxes contained in the silk main body (generally referred to as pupal oil in the silk spinning industry) It is difficult to carry out the removal at the same time in a scouring step for removing sericin, and it is carried out in a separate step.

【０００７】又絹紡糸等（含織編物）の精練は、紡績工
程の歩留や操業性、それに絹紡糸の品質確保のために原
料精練では若干残留させたセリシンや蛹油分さらには付
与した界面活性剤、又生産工程での汚れを除去する目的
で実施される。The refining of silk spinning and the like (including woven knitted fabrics) is performed in order to secure the yield and operability of the spinning process and the quality of the silk spinning. It is carried out for the purpose of removing activators and dirt in the production process.

【０００８】蛹油分の除去方法としては、１）界面活性
剤洗滌 ２）脂肪分解酵素での分解除去 ３）有機溶剤
での抽出除去が従来実施されている。この内１），２）
の方法は長時間（８〜１０時間）の処理時間を要し、
又、酵素や界面活性剤等の使用量が多いため薬品コスト
が高く、経済的でない等の理由で、現在は３）の有機溶
剤での抽出が蛹油分除去方法の主流になりつつある（参
考資料、特公昭５３−４３２１１号公報）。As methods for removing pupal oil, 1) washing with a surfactant, 2) decomposing and removing with a lipolytic enzyme, and 3) extracting and removing with an organic solvent have been conventionally performed. 1), 2)
Method requires a long processing time (8 to 10 hours),
In addition, because of the large amount of enzymes and surfactants used, the cost of chemicals is high and the cost is low, so the extraction with an organic solvent in 3) is currently becoming the mainstream of pupa oil removal methods (reference) Material, JP-B-53-43211).

【０００９】絹紡原料の有機溶剤処理は、セリシンの除
去を目的とした化学精練工程を経た乾燥綿（精干綿）又
はまれには精練工程前の原料を常温〜加温した有機溶剤
に浸漬し、数分〜十数分攪拌した後、脱液、乾燥するも
のであるが、この単純な処理で綿の蛹油分は浴比に関係
するが、実質的にほぼ完全に除去される非常に効率的な
方法である。[0009] The organic solvent treatment of the silk spinning material is performed by immersing a dry cotton (purified cotton) having passed through a chemical scouring process for removing sericin or, in rare cases, a raw material before the scouring process in an organic solvent heated from room temperature to a heated temperature. After stirring for a few minutes to several tens of minutes, the liquid is drained and dried. With this simple treatment, the cotton pupa oil content is almost completely removed although it is related to the bath ratio, but it is very efficient Is a typical method.

【００１０】さらに、絹紡原料及びそれを原料とした絹
紡糸の品質対策として必要に応じて夾雑ポリオレフィン
の除去工程が採られるが、この手法としては一般に溶剤
精練が有効である。即ち、原料に混入したポリオレフィ
ン及びそれを原料としたために発生した絹紡糸中のポリ
オレフィン繊維は、ポリオレフィンが熱有機溶媒に速や
かに溶解するため、加温した溶剤精練で容易に除去する
ことができる。[0010] Further, as a measure against the quality of the silk spinning raw material and the silk spinning made from the raw material, a step of removing contaminant polyolefin is employed as necessary. In general, solvent scouring is effective as this method. That is, the polyolefin mixed in the raw material and the polyolefin fiber in the silk spun generated by using the raw material as the raw material can be easily removed by the heated solvent scouring because the polyolefin is rapidly dissolved in the hot organic solvent.

【００１１】ところで一般に紡績糸の製造に於ては、製
綿や紡績工程の操業性や品質さらには歩留の点から、必
ず紡績用界面活性剤（通称：油剤）の綿への付与が要求
される。通常紡績油剤はアニオン界面活性剤又はノニオ
ン界面活性剤が使用されるが、これを綿に付与しない場
合、静電気の発生や平滑性の不良のため製綿・紡績工程
の歩留や品質が顕著に低下し、極端な場合操業不能に陥
ることもある。In general, in the production of spun yarn, it is necessary to always add a surfactant for spinning (commonly referred to as an oil agent) to cotton from the viewpoints of operability and quality of the cotton production and spinning process and yield. Is done. Usually, an anionic surfactant or a nonionic surfactant is used as a spinning oil, but if this is not applied to cotton, the yield and quality of the cotton manufacturing / spinning process will be remarkable due to generation of static electricity and poor smoothness. And in extreme cases, may become inoperable.

【００１２】絹糸紡績に於ては、この紡績油剤として前
述の蛹油の適量の残留が結果として非常に好適な挙動を
示す。即ち、精干綿の残留蛹油類を完全に除去した場合
には、紡績油剤無しでの製綿、紡績であり、操業不能に
なることは論を待たないが、これに後処理としてスプレ
ー法なり浸漬法なりで、残留油脂量として適量とされる
量の通常の紡績油剤（主として界面活性剤）を付与して
も、操業は可能になるが、生産された綿や紡績糸の品質
や歩留は、蛹油類の除去条件を調整して適量残留させ、
これに補助的に通常の紡績油剤を付与した場合に比べて
格段に劣る。この課題に対しては、これまで数多くの研
究者が油剤の種類や付与方法について種々挑戦してきた
が、未だ蛹油類を適量残留させた場合と同程度の品質や
歩留が得られていない。又、生産された絹紡糸について
も、なお適量の蛹油が残留していることはその後の織編
工程の操業上必須の条件であって、過度に脱脂した場
合、糸切れ多発でチーズやボビン類への巻上すら不能に
なることがある。[0012] In silk spinning, an appropriate amount of the above-mentioned pupal oil remaining as the spinning oil agent shows very favorable behavior as a result. In other words, when the residual pupa oil of the reclaimed cotton is completely removed, it is cotton production and spinning without the use of a spinning oil, and there is no doubt that the operation will become inoperable. Even if an ordinary spinning oil (mainly a surfactant) is applied in an appropriate amount as the amount of residual fats and oils by the immersion method, the operation can be performed, but the quality and yield of the produced cotton and spun yarn can be improved. Adjust the conditions for removing pupal oils and leave an appropriate amount,
This is significantly inferior to the case where a normal spinning oil is supplemented. To date, many researchers have tried various types of oils and methods of applying them, but have not yet obtained the same quality and yield as those obtained when an appropriate amount of pupal oil was left. . Also, regarding the produced silk spinning, it is an essential condition for the operation of the subsequent weaving and knitting process that an appropriate amount of pupal oil still remains. Even hoisting on a class may become impossible.

【００１３】扨て、溶剤精練は前述のように綿や糸の蛹
油分を実質的にほぼ完全に除去する。正確には綿や糸と
溶剤の浴比が１０で、脱液後の綿や糸による溶剤のピッ
クアップ量が１００％の場合、残留蛹油分は１／１０に
なる。即ち、溶剤精練の場合、界面活性剤精練や酵素精
練と異なり繊維内部の蛹油分まで容易に抽出され、数分
〜十数分の溶剤処理で繊維内部と浴中の蛹油は同濃度に
なる。従って、絹繊維の蛹油分は浴比の倍率に希釈さ
れ、溶剤を好適に脱液した場合のピックアップ量が大体
約１００％であるため、結果として溶剤精練に於ては絹
繊維の保有する蛹油分は浴比の倍率に希釈された量が乾
燥した絹綿や絹紡糸等に残留する。この意味では残脂の
調整が容易な精練法と云える。[0013] Solvent scouring now substantially and completely removes the pupal oil content of cotton and thread as described above. To be precise, if the bath ratio between cotton and thread and the solvent is 10, and the amount of solvent picked up by the cotton and thread after draining is 100%, the residual pupal oil content is 1/10. That is, in the case of the solvent scouring, unlike the surfactant scouring and the enzyme scouring, the pupal oil in the fiber is easily extracted up to the pupal oil content in the fiber, and the pupal oil in the fiber and the bath have the same concentration by the solvent treatment for several minutes to several tens of minutes. . Therefore, the pupa oil content of the silk fiber is diluted to the ratio of the bath ratio, and the pick-up amount when the solvent is suitably drained is approximately 100%. The amount of oil remaining at the ratio of the bath ratio remains in dried silk cotton or silk spun yarn. In this sense, it can be said that it is a scouring method in which the adjustment of residual fat is easy.

【００１４】ところが、一般に溶剤処理の液比は液攪拌
の規制から大体２０〜３０で実施され、一方処理前の絹
綿のいわゆる蛹油量は多いもので５〜６％、少ないもの
で１％程度であるため、溶剤処理後の精干綿の蛹油分は
高々０．２５〜０．３％、低いものは０．０３〜０．０
５％になる。絹糸紡績の場合、紡績蛹油の適正量は１％
内外であるため、このままでは溶剤処理綿は製綿、紡績
工程に掛けられない。界面活性剤や酵素による精練の場
合、長時間を要し、薬品コストが高いという問題がある
が、作用が急激でないためかえって残留蛹油分は０．５
〜１．０％に調整できるため、これ等を調合し若干の紡
績油剤を付与すれば良質の紡績糸が好歩留で得られる。However, in general, the solvent ratio of the solvent treatment is generally about 20 to 30 due to the regulation of the liquid stirring. On the other hand, the so-called pupal oil content of the silk cotton before the treatment is large, about 5 to 6%, and small, about 1%. Therefore, the pupa oil content of the refined cotton after solvent treatment is at most 0.25 to 0.3%, and the low one is 0.03 to 0.0%.
5%. In the case of silk spinning, the appropriate amount of spun pupa oil is 1%
Since it is inside and outside, the solvent-treated cotton cannot be subjected to the cotton production and spinning processes as it is. In the case of refining using a surfactant or an enzyme, there is a problem that it takes a long time and the cost of chemicals is high.
Since it can be adjusted to 1.0%, if these are blended and a small amount of spinning oil is applied, a high quality spun yarn can be obtained at a good yield.

【００１５】一方、溶剤精練の場合、いわゆる蛹油類の
除去があまりに完全なため、後工程で紡績油剤を付与し
ても界面活性剤や酵素での脱脂精練の場合程の品質、歩
留が得られない。溶剤精練の様な完全脱脂された絹綿へ
の油剤付与について、その種類や方法について種々検討
されて来て、未だ満足な結果が得られていないことは前
記した。その理由の詳細は不明であるが、溶剤によって
繊維の内部の蛹油分まで抽出されるが、後工程のスプレ
ーや浸漬法での紡績油剤付与では、繊維内部まで油剤が
浸透せず、単なる表面付着に留まり、後工程の製綿工程
で油剤が脱落しやすいためと推定される。単繊維が細く
て長い絹糸紡績の場合、太くて短い綿糸紡績や毛紡績の
場合と比べて、かなり挙動が異なり、非常にデリケート
なものである。On the other hand, in the case of solvent scouring, since the removal of so-called pupal oils is so complete, even if a spinning oil is applied in a later step, the quality and yield as in the case of defatting scouring with a surfactant or an enzyme are reduced. I can't get it. Various studies have been made on the type and method of applying an oil agent to completely defatted silk cotton such as solvent scouring, and as described above, satisfactory results have not yet been obtained. Although the details of the reason are unknown, the solvent extracts the pupal oil inside the fiber, but the spinning oil applied by spraying or dipping in the subsequent process does not penetrate the inside of the fiber, but simply adheres to the surface. This is presumed to be due to the fact that the oil agent easily falls off in the subsequent cotton production process. In the case of spinning a fine and long silk thread with a single fiber, the behavior is considerably different and very delicate as compared with the case of spinning a thick and short cotton thread or wool.

【００１６】ポリオレフィン繊維を除去するため絹紡糸
等を溶剤精練した場合も結果は同様で、風合は過度の脱
脂で粗硬なものとなり、又後工程のために再度油剤処理
が必要で、これは浸漬や乾燥等の工程増につながる。
又、溶剤精練で過度の脱脂により繊維の風合が粗硬なも
のとなることは絹織編物の場合もその危険性が有り、こ
の場合も再度の油剤処理が必要である。[0016] The result is the same when silk spinning or the like is subjected to solvent scouring to remove polyolefin fibers. The feeling becomes rough due to excessive degreasing, and an oil agent treatment is required again for the subsequent process. Leads to an increase in steps such as immersion and drying.
In addition, in the case of a silk woven or knitted fabric, there is a danger that the texture of the fiber becomes coarse and hard due to excessive degreasing due to solvent scouring, and in this case, the oil treatment is required again.

【００１７】[0017]

【発明が解決しようとする課題】本発明者等は、絹紡原
料及び絹紡糸等の溶剤精練方法や残留蛹油類及び付与油
脂量の調整方法について、鋭意研究した結果本発明を完
成したものである。本発明の目的は、絹紡原料や絹紡糸
等が保有する、蛹体構成油分や絹糸構成ワックス等の有
機溶剤可溶分（合せていわゆる蛹油）の除去を目的とす
る溶剤精練に於て、均一な処理のために必要な液比でこ
れを実施し、しかも過度の脱脂にならず、適正量の蛹油
及び油脂分を綿に残留させる工業的容易且つ安価な方法
を提供するにある。さらに本発明は絹紡原料及び絹紡糸
等に夾雑するポリオレフィンの除去を目的とする溶剤精
練に於て、均一な処理のために必要な充分な液比でこれ
を実施し、しかも過度の脱脂にならず、適正量の蛹油及
び油脂分を綿に残留させる工業的容易且つ安価な方法を
採ることで、後処理として水系の油剤処理工程を省く方
法を提供するにある。DISCLOSURE OF THE INVENTION The present inventors have conducted intensive studies on a method of refining a solvent for silk raw materials and silk spinning, and a method of adjusting the amount of residual pupa oils and applied fats and oils, and have completed the present invention. It is. An object of the present invention is a solvent scouring for removing organic solvent-soluble components (collectively so-called pupal oil) such as pupal body constituent oil and silk constituent wax contained in silk spinning raw materials and silk spinning. The purpose of the present invention is to provide an industrially easy and inexpensive method for carrying out this at a liquid ratio required for a uniform treatment, and not causing excessive degreasing, and leaving an appropriate amount of pupa oil and oil and fat on cotton. . Further, in the present invention, in solvent refining for the purpose of removing polyolefin contaminating silk raw materials and silk spinning, etc., this is carried out at a sufficient liquid ratio necessary for uniform treatment, and furthermore, excessive degreasing is performed. Rather, it is an object of the present invention to provide a method for eliminating an aqueous oil treatment step as a post-treatment by employing an industrially easy and inexpensive method for allowing appropriate amounts of pupal oil and oil and fat to remain in cotton.

【００１８】[0018]

【課題を解決するための手段】本発明は絹紡原料及び絹
紡糸等を化学精練した後、残留する有機溶剤可溶分を除
去することを目的とした有機溶剤精練に於て、有機溶剤
に残留油脂分調整剤として油脂又は油脂と界面活性剤の
混合物を、溶液濃度で０．１〜３．０％（重量）混合
し、絹紡原料及び絹紡糸等に対する有機溶剤の割合（液
比）を１０以上、５０未満で実施することを特徴とす
る。SUMMARY OF THE INVENTION The present invention relates to an organic solvent refining method for removing a residual organic solvent-soluble component after chemically refining a silk spinning material and a silk spun yarn. 0.1 to 3.0% (by weight) of a fat or oil or a mixture of a fat and a surfactant is mixed in a solution concentration as a residual fat or oil content regulator.
And the ratio of organic solvent to silk spinning raw materials and silk spinning (liquid
Ratio) of 10 or more and less than 50 .

【００１９】本発明の絹紡原料は、特に制限されるもの
ではなく、通常の副蚕糸が全て該当するが脂肪含量大な
る屑繭，ビス，ザキ等を原料とすると本発明の特徴が格
別に発揮され、従来法に比し一層優れた著大な効果を奏
するものである。The raw material of the silk spinning of the present invention is not particularly limited, and all the ordinary sub-silkworms are applicable. It exhibits a great effect which is more excellent than the conventional method.

【００２０】本発明の絹紡糸等は１００％絹繊維よりな
る純絹紡糸はもちろん、毛，木綿，麻等の天然繊維やポ
リエステル，ナイロン等の合成繊維との混紡糸及びこれ
等による織編物が適用される。The silk spinning and the like of the present invention are not limited to pure silk spinning made of 100% silk fiber, but also blended yarns with natural fibers such as wool, cotton and hemp, and synthetic fibers such as polyester and nylon, and woven and knitted fabrics made of these. Is done.

【００２１】本発明に使用される有機溶剤としては、ｎ
−ヘキサン，ベンゼン，工業用ガソリン等の炭化水素
類、トリクロルエチレン，パークロルエチレン，トリク
ロロエタン等のハロゲン化炭化水素類が挙げられるが、
就中、ｎ−ヘキサン，工業用ガソリン，ベンゼンは風合
の点から、トリクロルエチレン，パークロルエチレン，
トリクロロエタン等は歩留の点から好ましい。The organic solvent used in the present invention includes n
-Hydrocarbons such as hexane, benzene, industrial gasoline, and halogenated hydrocarbons such as trichloroethylene, perchlorethylene, and trichloroethane;
Above all, n-hexane, industrial gasoline, and benzene are trichlorethylene, perchlorethylene,
Trichloroethane and the like are preferred in terms of yield.

【００２２】本発明に適用する油脂としては動植物油，
ロウ類，高級脂肪族炭化水素，高級脂肪酸，高級アルコ
ール，シリコン油あるいはそれ等の組合せであって、例
えばオリーブ油，ヒマシ油，蛹油等の動植物油、セレシ
ン等のロウ類、流動パラフィン，スクアラン等の高級脂
肪族炭化水素、リノレン酸，ミリスチン酸等の高級脂肪
酸、オレイルアルコール等の高級アルコール、アミノ変
性シリコンオイル等のシリコンオイルであるが、これに
制限されるものではなく、炭化水素系やハロゲン化炭化
水素系の溶媒に溶存可能な全ての油脂剤が適用できる。The fats and oils applicable to the present invention include animal and vegetable oils,
Waxes, higher aliphatic hydrocarbons, higher fatty acids, higher alcohols, silicone oils or combinations thereof, for example, animal and vegetable oils such as olive oil, castor oil, pupa oil, waxes such as ceresin, liquid paraffin, squalane, etc. Higher aliphatic hydrocarbons, higher fatty acids such as linolenic acid and myristic acid, higher alcohols such as oleyl alcohol, and silicone oils such as amino-modified silicone oil, but are not limited thereto, and include hydrocarbons and halogens. All fats and oils that can be dissolved in a chlorinated hydrocarbon solvent can be used.

【００２３】本発明の界面活性剤（通称：油剤）として
は、アニオン界面活性剤、又はノニオン界面活性剤を本
質とするものが有効であるが、好ましくはアニオン界面
活性剤の場合、高級アルコール硫酸エステル塩（例、商
品名モノゲン、第一工業製薬社製），液体脂肪油硫酸エ
ステル塩（例、商品名ロート油、第一工業製薬社製
他），高級アルコール燐酸エステル塩（例、商品名エレ
ノン、第一工業製薬社製），アルキルアリルスルホン酸
塩（例、商品名ライポン、ライオン油脂社製）、特に好
ましくは高級アルコール加工乳化油（例、商品名パンソ
フター、第一工業製薬社製、高級アルコール硫酸エステ
ルと油脂の乳化物）である。ノニオン界面活性剤の場合
ほとんどの種類が適用できるが、好ましくはポリオキシ
エチレンアルキルエーテル，ポリオキシエチレンアルキ
ルフェノールエーテル，ポリオキシエチレンアルキルエ
ステル，ポリオキシエチレンポリプロピレングリコール
エーテル，グリセリン脂肪酸エステル，ソルビタン脂肪
酸エステル等であり、特に好ましくはポリオキシエチレ
ンアルキルエーテル類，ポリオキシエチレンアルキルフ
ェノール類，ポリオキシエチレンアルキルエステル類等
である。具体的にはポリオキシエチレンのオレイルエー
テル，ラウリルエーテル，ノニルフェニルエーテル，オ
クチルフェニルエーテル、及びポリオキシエチレンのオ
レイン酸エステル，ステアリン酸エステル等である。As the surfactant (commonly referred to as an oil agent) of the present invention, those having an anionic surfactant or a nonionic surfactant as an essential component are effective. Ester salt (eg, trade name Monogen, manufactured by Daiichi Kogyo Seiyaku), liquid fatty oil sulfate ester salt (eg, trade name, roto oil, manufactured by Daiichi Kogyo Seiyaku, etc.), higher alcohol phosphate ester salt (eg, trade name) Ellenon, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.), alkyl allyl sulfonate (eg, trade name Raipon, manufactured by Lion Yushi Co., Ltd.), particularly preferably a higher alcohol processed emulsified oil (eg, trade name Pansofter, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) , An emulsion of higher alcohol sulfates and fats and oils). In the case of nonionic surfactants, most types can be used, but preferred are polyoxyethylene alkyl ether, polyoxyethylene alkyl phenol ether, polyoxyethylene alkyl ester, polyoxyethylene polypropylene glycol ether, glycerin fatty acid ester, sorbitan fatty acid ester and the like. And particularly preferred are polyoxyethylene alkyl ethers, polyoxyethylene alkyl phenols, polyoxyethylene alkyl esters and the like. Specific examples include polyoxyethylene oleyl ether, lauryl ether, nonylphenyl ether, octylphenyl ether, and polyoxyethylene oleate and stearic ester.

【００２４】本発明方法は油脂又は油脂の混合物或いは
油脂と界面活性剤の混合物を、前記した有機溶媒に溶解
又は乳化溶解し、これに化学精練（含酵素精練）でセリ
シンを所定量まで除去した絹紡原料又は絹紡糸等を浸漬
し、攪拌して有機溶剤可溶分を除去した後、脱液し乾燥
する方法で実施できる。In the method of the present invention, a fat or oil or a mixture of fat or oil or a mixture of a surfactant and a fat is dissolved or emulsified and dissolved in the above-mentioned organic solvent, and sericin is removed to a predetermined amount by chemical scouring (enzyme-containing scouring). The method can be carried out by immersing a silk spinning raw material or silk spinning and the like, removing the organic solvent-soluble matter by stirring, and then deliquoring and drying.

【００２５】本発明方法に於る油脂の溶液濃度は０．１
〜３．０％（重量）、好ましくは０．２〜２．０％（重
量）である。０．１％未満の場合、油脂混合の後工程へ
の効果は軽微であるし、３．０％を越えると、溶剤の脱
液、乾燥後、繊維に残留付着した油脂の粘着性のため
に、後工程で繊維が機械に巻きついたり、絹紡糸等の場
合風合が悪くなる。The concentration of the fat or oil solution in the method of the present invention is 0.1
To 3.0% (weight), preferably 0.2 to 2.0% (weight). If it is less than 0.1%, the effect on the subsequent step of mixing fats and oils is negligible, and if it exceeds 3.0%, after the solvent is removed and dried, the fats and oils adhering to the fibers become sticky. In the post-process, the fiber is wound around the machine, or the feeling is poor when silk is spun.

【００２６】本発明方法に於る界面活性剤の溶液濃度は
油脂と同様の理由で０．１〜３．０％（重量）、好まし
くは０．２〜２．０％（重量）である。又、油脂と界面
活性剤を混合して用いる場合も、同じ理由でその合計濃
度は０．１〜３．０％（重量）、好ましくは０．２〜
２．０％（重量）である。The solution concentration of the surfactant in the method of the present invention is 0.1 to 3.0% (weight), preferably 0.2 to 2.0% (weight) for the same reason as for fats and oils. Also, when using a mixture of fats and oils and a surfactant, the total concentration is 0.1 to 3.0% (weight), preferably 0.2 to 3.0% for the same reason.
2.0% (weight).

【００２７】絹紡原料や絹紡糸等に対する有機溶剤の割
合（液比又は浴比）は攪拌のために少なくとも１０は必
要で、２０〜３０が好適である。５０以上の液比は過大
で経済的でない。The ratio (liquid ratio or bath ratio) of the organic solvent to the silk spinning raw material, silk spinning, or the like is required to be at least 10 for stirring, and preferably 20 to 30. Liquid ratios above 50 are excessive and not economical.

【００２８】本発明の溶剤精練温度は常温〜有機溶剤の
沸点未満の高温で実施される。温度が高い程処理時間は
短くなるが、作業環境対策等で管理は難しくなる。又、
夾雑するポリオレフィンの除去を目的とする場合は６０
℃〜８０℃以上の高温での処理を必要とする（参考資
料、１）化学便覧応用編、ｐ７０８、昭和４３年８月２
０日発行第２版、２）繊維要論（共立出版）、ｐ１７
８、昭和４５年７月１０日発行）。The solvent refining temperature of the present invention is from normal temperature to a high temperature lower than the boiling point of the organic solvent. The higher the temperature, the shorter the processing time, but the more difficult it is to manage due to work environment measures. or,
60 when the purpose is to remove contaminating polyolefin
Requires treatment at a high temperature of 80 ° C to 80 ° C or higher (Reference materials, 1) Chemical Handbook Application, p708, August 2, 1968
2nd edition, published on the 2nd, 2) Introduction to textiles (Kyoritsu Shuppan), p17
8, issued on July 10, 1970.)

【００２９】本発明を実施する処理設備は有機溶剤を扱
う関係で密閉容器で行う。又、高温での溶剤精練を行う
場合は溶剤の加温設備を必要とする。具体的には加温設
備付のドライクリーリング機や耐溶剤型のチーズ染色機
が適用できる。その他、通常の糸や布加工機を有機溶剤
仕様に変更することで容易に実施できる。The processing equipment for carrying out the present invention is operated in a closed vessel because of handling organic solvents. In addition, when performing solvent scouring at a high temperature, a solvent heating facility is required. Specifically, a dry creasing machine with a heating facility or a solvent-resistant cheese dyeing machine can be applied. In addition, it can be easily implemented by changing a normal thread or cloth processing machine to an organic solvent specification.

【００３０】溶剤精練した絹紡原料や絹紡糸類は、溶剤
のピックアップ量が１００％程度になるように脱液し、
その後熱風等で乾燥する。The solvent-purified silk spinning raw materials and silk spinning solution are drained so that the solvent pick-up amount is about 100%.
Then, it is dried with hot air or the like.

【００３１】[0031]

【実施例】以下実施例にて具体的に本発明を説明する。The present invention will be specifically described below with reference to examples.

【００３２】実施例１ 原料として国内産ビス２００部を用い、これを水４，０
００部にソーダ灰１０部、マルセル石鹸２０部を混合溶
解させた処理液に浸漬し９０℃で１時間攪拌精練した。
これを２回繰返し、次いで水洗乾燥した。得られた精干
綿の残留セリシンは１．３％、残脂は６．０％であっ
た。次に該精干綿３０部を、トリクロルエチレン６００
部に家蚕の蛹を搾油して得た蛹油を６．０部混合攪拌し
た液で、ドライクリーニング機を用い、処理時間５分間
溶剤精練した（処理温度室温）。次いで遠心脱水機でト
リクロルエチレンのピックアップ量を約１００％に搾液
した。続いてこれを熱風乾燥し、脱脂精干綿を得た。脱
脂精干綿を常法に従って開繭機、切綿機に掛け、円型梳
綿機で絹綿にした。以上の製綿工程で得られた絹綿の歩
留（対脱脂精干綿）は４２％で、ビス原料としては非常
に高収量であり、綿の品位も優れており、操業性も良好
であった。又、綿の残留セリシンは１．２％、残脂は
１．２％であった。Example 1 200 parts of domestic screws were used as raw materials,
The resulting mixture was immersed in a treating solution obtained by mixing and dissolving 10 parts of soda ash and 20 parts of Marcel soap in 00 parts, and the mixture was scoured and stirred at 90 ° C. for 1 hour.
This was repeated twice and then washed with water and dried. Residual sericin of the obtained dried cotton was 1.3% and residual fat was 6.0%. Next, 30 parts of the cotton wool was mixed with 600 parts of trichloroethylene.
The mixture was mixed and stirred with 6.0 parts of pupa oil obtained by pressing silkworm pupae into a part, and a solvent was scoured for 5 minutes using a dry cleaning machine (processing temperature: room temperature). Then, the pick-up amount of trichlorethylene was squeezed to about 100% by a centrifugal dehydrator. Subsequently, this was dried with hot air to obtain defatted cotton wool. The defatted cotton wool was applied to a cocoon opener and a cotton cutter according to a conventional method, and turned into silk cotton using a circular carding machine. The yield of silk cotton (vs. defatted and dried cotton) obtained in the above cotton-making process was 42%, which was a very high yield as a raw material for bis, excellent grade of cotton, and good operability. . Also, the residual sericin of cotton was 1.2% and the residual fat was 1.2%.

【００３３】比較例１ 実施例１で得た精干綿を用い、蛹油を溶剤に混合しない
こと以外は実施例１に準じて溶剤精練し製綿した。得ら
れた絹綿の歩留（対脱脂精干綿）は２１％で非常に低い
ものであった。綿の品位は粗硬で繊維の平行性も乱れて
おり、又、操業性は激しい静電気発生と綿の平滑性不良
のためほとんど操業不能に近いものであった。綿の残留
セリシンは１．２％、残脂は０．２％であった。Comparative Example 1 Cotton was produced by scouring the solvent according to Example 1, except that the pupal oil was not mixed with the solvent, using the cotton wool obtained in Example 1. The yield of the obtained silk cotton (vs. defatted cotton) was very low at 21%. The quality of the cotton was coarse and the parallelism of the fibers was disturbed, and the operability was almost inoperable due to severe static electricity generation and poor cotton smoothness. The residual sericin of the cotton was 1.2% and the residual fat was 0.2%.

【００３４】比較例２ 比較例１と同じ処理条件で溶剤精練し、得られた脱脂精
干綿をパンソフターＳＧの１％乳化水溶液（液温４０
℃）に浸漬し、１時間静かに液を循環させた後、遠心脱
水機で搾液し界面活性剤水溶液を約１００％ピックアッ
プさせた。これを熱風乾燥後、実施例１に準じて製綿工
程に掛けた。得られた絹綿の歩留（対脱脂精干綿）は３
０％で、繊維の平行性はやや乱れていた。綿の品位はや
や粗硬であったが、工程の操業性は比較例１に比べれば
良好であったが、若干の静電気の発生と平滑性の不足で
実施例１に比べれば不良であった。綿の残留セリシンは
１．１％、残脂は１．２％であった。Comparative Example 2 Solvent scouring was performed under the same processing conditions as in Comparative Example 1, and the obtained defatted cotton wool was emulsified with a 1% emulsified aqueous solution of Pansofter SG (liquid temperature 40
C.) and gently circulating the solution for 1 hour, followed by squeezing with a centrifugal dehydrator to pick up about 100% of the surfactant aqueous solution. After drying with hot air, this was subjected to a cotton-making process according to Example 1. The yield of the obtained silk cotton (vs. defatted cotton) is 3
At 0%, the parallelism of the fibers was somewhat disturbed. Although the quality of cotton was slightly coarse and hard, the operability of the process was better than that of Comparative Example 1, but was poorer than that of Example 1 due to the slight generation of static electricity and lack of smoothness. . The residual sericin of the cotton was 1.1% and the residual fat was 1.2%.

【００３５】実施例１、比較例１，２より溶剤精練時蛹
油を混合しない場合は製綿成績は著しく低く、又脱脂精
干綿を水系で界面活性剤処理した場合も、溶剤精練時に
溶剤に蛹油を混合した場合に比べて、製綿成績はかなり
低いことが分かる。In the case where no pupa oil was mixed during solvent scouring, the cotton-making performance was remarkably lower than that in Example 1 and Comparative Examples 1 and 2. In addition, when the defatted cotton wool was treated with a surfactant in an aqueous system, the solvent was not added during solvent scouring. It can be seen that the cotton production performance is considerably lower than when pupal oil is mixed.

【００３６】以上のように、本発明の溶剤精練時に有機
溶剤に残留油脂分調整剤として油脂を混合する効果は顕
著なものがある。As described above, the effect of mixing oils and fats as an agent for adjusting residual oils and fats with an organic solvent during the solvent scouring of the present invention is remarkable.

【００３７】実施例２ 常法に従って化学精練して残留セリシンを０．５％にし
た絹紡糸（ＥＣ １４０／２）の６５ｇ綛の１０ケ所に
約５ｍｇの糸状の着色ポリプロピレン延伸テープを撚り
込み、これを２０００mlのテトラクロロエチレンに流動
パラフィン（７０秒）１０ｇ及びＨＬＢ１２のポリエチ
レングリコールオレイルエーテル（商品名ノイゲンＥＴ
１２０、第一工業製薬社製）１０ｇを溶解した液に浸漬
し昇温した。液をゆるやかに攪拌しながら１１０℃で１
０分間溶剤精練し、これを冷却しないでピックアップ約
１００％に脱液し熱風乾燥した。乾燥上りの絹紡糸には
撚り込んだポリプロピレンは全く認められず、これ等が
熱テトラクロロエチレンに完全に溶解することが確認で
きた。Example 2 Approximately 5 mg of a thread-shaped colored polypropylene stretched tape was twisted into 10 places of a 65 g skein of a silk spun (EC 140/2) in which the residual sericin was reduced to 0.5% by chemical scouring according to a conventional method. This was mixed with 10 g of liquid paraffin (70 seconds) and polyethylene glycol oleyl ether of HLB12 (trade name Neugen ET) in 2000 ml of tetrachloroethylene.
120, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.) and immersed in a solution in which 10 g was dissolved, and heated. While stirring the solution gently,
Solvent scouring was performed for 0 minutes, and the solution was drained to about 100% of the pickup without cooling, and dried with hot air. No twisted polypropylene was found in the dried silk spinning, and it was confirmed that these were completely dissolved in hot tetrachloroethylene.

【００３８】以上の手法の溶剤精練で夾雑ポリプロピレ
ンを除去した絹紡糸の風合は、いわゆるシルクタッチ調
の上品で柔らかいものであった。又、綛からコーンへの
巻上げはスムーズで糸切れは全く起こらなかった。残脂
は１．２％であった。The texture of the silk spun yarn from which contaminating polypropylene was removed by the solvent scouring of the above-mentioned method was a so-called silk touch-like and elegant and soft. Also, the winding from the skein to the cone was smooth and no thread breakage occurred. Residual oil was 1.2%.

【００３９】比較例３ 流動パラフィン及びノニオン界面活性剤を溶解しない以
外は実施例２に準じて絹紡糸を溶剤精練した。Comparative Example 3 A silk spun was subjected to solvent scouring according to Example 2, except that the liquid paraffin and the nonionic surfactant were not dissolved.

【００４０】この場合も、ポリプロピレンは完全に溶解
したが、得られた絹紡糸の風合は粗硬で糸同志の滑りが
悪く綛からコーンへの巻上げは不可能であった。残脂は
０．２％であった。In this case also, the polypropylene was completely dissolved, but the feeling of the silk spinning obtained was coarse and hard, and the yarns did not slide smoothly, so that it was impossible to wind up the skein from the skein to the cone. Residual fat was 0.2%.

【００４１】比較例４ 比較例３と同じ処理条件で溶剤精練した。得られた絹紡
糸をノイゲンＥＴ１２０を２０ｇ溶解した温水（５０
℃）２０００mlに浸漬し、液をゆるやかに攪拌して１時
間処理した。これをピックアップ量約１００％に脱液し
熱風乾燥した。得られた絹紡糸の風合は、やはりやや粗
硬で、この場合も綛からコーンへの巻上げは糸切れが頻
発し困難であった。Comparative Example 4 Solvent scouring was performed under the same processing conditions as in Comparative Example 3. The obtained silk spinning was dissolved in warm water (50 g) in which 20 g of Neugen ET120 was dissolved.
C.) and immersed in 2000 ml, and the solution was gently stirred and treated for 1 hour. This was drained to a pickup amount of about 100% and dried with hot air. The feeling of the obtained silk spun yarn was also somewhat coarse and hard, and also in this case, it was difficult to wind up the skein from the skein to the cone due to frequent thread breakage.

【００４２】以上のように、絹紡糸のポリプロピレン夾
雑対策としての溶剤精練の場合も、溶剤中に油脂及び界
面活性剤を溶解させる効果は顕著なものがある。As described above, even in the case of solvent scouring as a measure against contamination of polypropylene in silk spinning, the effect of dissolving fats and oils and surfactants in the solvent has a remarkable effect.

【００４３】実施例３ 実施例１、比較例２に準じ、溶剤はベンゼンを使用し絹
紡原料がキキ（器生）の場合のＡ・溶剤精練時及びＢ・
後工程の水系処理で各種油脂を添加する効果を比較検討
した。その結果を油脂濃度と製綿歩留（対脱脂精干綿）
の関係で表１に示す。Example 3 In accordance with Example 1 and Comparative Example 2, when benzene was used as the solvent and the silk spinning material was Kiki (Kiki), the solvent was used during the scouring of A.
The effect of adding various fats and oils in the subsequent aqueous treatment was compared and studied. The result is the oil concentration and cotton production yield (vs. dry cotton).
The relationship is shown in Table 1.

【００４４】この場合Ａ，Ｂの処理とも界面活性剤とし
てＨＬＢ６のポリエチレングリコールノニルフェニルエ
ーテルを０．１％濃度で混合し、水系処理の場合乳化状
態の浴で処理した。In this case, in both treatments A and B, polyethylene glycol nonylphenyl ether of HLB6 was mixed at a concentration of 0.1% as a surfactant, and in the case of aqueous treatment, treatment was carried out in an emulsified bath.

【００４５】[0045]

【表１】 [Table 1]

【００４６】以上のように溶剤精練時に油脂を混合する
ことは、後工程として脱脂精干綿に水系で油脂を付与す
る場合と比較してその効果は顕著である。又後加工とし
て水系で油脂を付与する場合、いずれも製綿操業性は付
与の少ない場合は静電気発生や平滑性不良、付与の多い
場合は綿の機械への絡み着きで良好ではなかった。溶剤
精練時に油脂を混合する場合、油脂濃度０．１〜３．０
％（重量）、特に０．２〜２．０％（重量）の範囲で全
ての点で満足すべきものであった。As described above, the effect of mixing oils and fats during solvent scouring has a remarkable effect as compared with the case where oils and fats are applied to defatted and dried cotton wool as a post-process. In the case where oils and fats were applied in an aqueous system as post-processing, in all cases, the cotton-making operability was not good due to generation of static electricity and poor smoothness when the application was small, and entanglement of cotton with the machine when the application was large. When mixing fats and oils during solvent refining, the fat and oil concentration is 0.1 to 3.0.
% (Weight), especially in the range of 0.2 to 2.0% (weight), was satisfactory in all respects.

【００４７】実施例４ 実施例１、比較例２に準じて、溶剤はテトラクロルエチ
レン、原料はビスを使用して、ヒマシ油と各種ノニオン
界面活性剤の添加効果を製綿歩留で比較検討した。ヒマ
シ油及び各種ノニオン界面活性剤はそれぞれ０．５％
（重量）混合した。その結果を表２に示す。Example 4 According to Example 1 and Comparative Example 2, using tetrachloroethylene as a solvent and bis as a raw material, the effect of adding castor oil and various nonionic surfactants was compared with cotton production yield. did. Castor oil and various nonionic surfactants are 0.5% each
(Weight) were mixed. Table 2 shows the results.

【００４８】[0048]

【表２】 [Table 2]

【００４９】以上のように、溶剤精練時に油脂及びノニ
オン界面活性剤を混合した効果は製綿歩留に顕著であ
る。又、製綿の操業性も後加工の水系で油脂及び界面活
性剤を付与した場合に比べて制電性、平滑性の面ではる
かに良好であった。As described above, the effect of mixing the oil and fat and the nonionic surfactant during the solvent scouring is remarkable in the cotton production yield. In addition, the operability of cotton production was much better in terms of antistatic properties and smoothness as compared with the case where oils and fats and a surfactant were added in a post-processing aqueous system.

【００５０】実施例５ 実施例４に準じて流動パラフィンと各種アニオン界面活
性剤をそれぞれ０．５％（重量）混合した。その結果を
表３に示す。Example 5 According to Example 4, liquid paraffin and various anionic surfactants were mixed by 0.5% (by weight). Table 3 shows the results.

【００５１】[0051]

【表３】 [Table 3]

【００５２】以上のように溶剤精練時に油脂及びアニオ
ン界面活性剤を混合した効果は顕著である。As described above, the effect of mixing the fat and oil and the anionic surfactant during the solvent scouring is remarkable.

【００５３】実施例６ 溶剤を１，１，１−トリクロロエタン、処理温度は１０
０℃（加圧状態）で実施した以外は実施例２に準じて絹
紡糸中の夾雑ポリプロピレンを溶剤精練で除去した。こ
の場合、界面活性剤は混合しなかった。乾燥上りの絹紡
糸には撚り込んだポリプロピレンは全く認められず、糸
の風合はシルクタッチ調の上品で柔らかいものであっ
た。又、綛からコーンへの巻上げはスムーズで糸切れは
全く起こらなかった。Example 6 The solvent was 1,1,1-trichloroethane and the treatment temperature was 10
Except at 0 ° C. (pressurized state), the contaminating polypropylene in the silk spinning was removed by solvent scouring according to Example 2. In this case, no surfactant was mixed. No twisted polypropylene was observed in the dried silk spinning yarn, and the texture of the yarn was silky touch and elegant and soft. Also, the winding from the skein to the cone was smooth and no thread breakage occurred.

【００５４】以上のように絹紡糸のポリプロピレン夾雑
対策としてトリクロロエタンを用いる溶剤精練の場合
も、溶剤中に油脂を溶解させる効果は顕著である。As described above, even in the case of solvent scouring using trichloroethane as a measure against contamination of polypropylene in silk spinning, the effect of dissolving fats and oils in the solvent is remarkable.

【００５５】[0055]

【発明の効果】以上のように、本発明は絹紡原料や絹紡
糸等が保有する蛹油類や絹糸構成ワックス等の有機溶剤
可溶分の除去を目的とする溶剤精練に於て、これに油脂
又は油脂と界面活性剤の混合物を添加することで、均一
な処理のために必要な充分な液比でこれを実施しても過
度の脱脂にならず、適正量の蛹油及び付与した油脂分を
繊維に残留させることを可能ならしめるもので、これに
よって絹紡原料の場合は後続工程の製綿、紡績に於て高
品質の綿や絹紡糸を歩留良く好操業性で生産でき、絹紡
糸の場合後続の織編工程を高能率で実施できる。溶剤精
練時に油脂又は油脂と界面活性剤の混合物を添加せずに
完全脱脂し、後工程に於て水系の処理で見掛上同量の油
脂及び界面活性剤を付与して、同程度の機能を得ようと
しても不可能である。水系の処理の場合、単なる油脂及
び界面活性剤の表面付着に留まるためと思われる。As described above, the present invention relates to solvent scouring for removing organic solvent-soluble components such as pupal oils and silk constituent waxes possessed by silk spinning materials and silk spinning. By adding a fat or oil or a mixture of a fat and a surfactant to the mixture, it is not excessively defatted even if this is carried out at a sufficient liquid ratio necessary for uniform treatment, and an appropriate amount of pupa oil and applied This makes it possible for oils and fats to remain in the fiber, and in the case of silk spinning raw materials, high-quality cotton and silk spinning can be produced with good yield and good operability in the subsequent cotton production and spinning. In the case of silk spinning, the subsequent weaving and knitting process can be performed with high efficiency. Completely degreases without adding fats or oils or a mixture of fats and surfactants during solvent scouring, and gives apparently the same amount of fats and oils and surfactants in the aqueous process in the subsequent process, and has the same function It is impossible to get In the case of the water-based treatment, it is considered that the treatment is merely mere surface adhesion of fats and oils and surfactants.

【００５６】この事は絹紡原料や絹紡糸類に夾雑するポ
リオレフィン類を除去することを目的に実施される溶剤
精練の場合も同様で、例えばトリクロロエチレンやテト
ラクロロエチレンで夾雑ポリプロピレンを溶解除去する
場合、系中に油脂又は油脂と界面活性剤の混合物を添加
溶解することは必須の条件である。The same applies to the case of solvent scouring which is carried out for the purpose of removing polyolefins contaminating silk raw materials and silk yarns. For example, when contaminating polypropylene is dissolved and removed with trichloroethylene or tetrachloroethylene, the system It is an essential condition to add and dissolve fats or oils or a mixture of fats and surfactants therein.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】 絹紡原料及び絹紡糸等を化学精練した
後、残留する有機溶剤可溶分を除去することを目的とし
た有機溶剤精練に於て、有機溶剤に残留油脂分調整剤と
して油脂又は油脂と界面活性剤の混合物を、溶液濃度で
０．１〜３．０％（重量）混合し、絹紡原料及び絹紡糸
等に対する有機溶剤の割合（液比）を１０以上、５０未
満で実施することを特徴とする絹紡原料及び絹紡糸等の
有機溶剤精練方法。1. An organic solvent refining method for removing residual organic solvent-soluble components after chemically refining a silk spinning raw material and a silk spun yarn. Or a mixture of fats and oils and surfactants in solution concentration
0.1-3.0% (weight) mixed, silk spinning raw material and silk spinning
The ratio (liquid ratio) of the organic solvent with respect to
A method for refining an organic solvent, such as a silk spinning raw material and a silk spinning, which is carried out in full .