JPH0316419B2 - - Google Patents
Info
- Publication number
- JPH0316419B2 JPH0316419B2 JP9443283A JP9443283A JPH0316419B2 JP H0316419 B2 JPH0316419 B2 JP H0316419B2 JP 9443283 A JP9443283 A JP 9443283A JP 9443283 A JP9443283 A JP 9443283A JP H0316419 B2 JPH0316419 B2 JP H0316419B2
- Authority
- JP
- Japan
- Prior art keywords
- treated
- fabric
- present
- treatment
- temperature plasma
- 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
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 25
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 12
- 229920003043 Cellulose fiber Polymers 0.000 claims description 11
- 239000004753 textile Substances 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 description 28
- 238000009832 plasma treatment Methods 0.000 description 10
- 239000000835 fiber Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000975 dye Substances 0.000 description 6
- 238000004043 dyeing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000009990 desizing Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000005517 mercerization Methods 0.000 description 4
- 238000009991 scouring Methods 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 230000002087 whitening effect Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000012192 staining solution Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000982 direct dye Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000010446 mirabilite Substances 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
Description
本発明は、セルロース系繊維を含む繊維品の染
色性を改良する加工方法に関するものである。
繊維品の染色性改良方法については、繊維を非
晶化する方法や、染料に対して新和性、反応性を
有する官能基を繊維に導入する方法、あるいは繊
維の断面構造を改良する方法などが提唱されてい
るが、セルロース系繊維で実用化されている方法
はマーセル化（一般にシルケツト加工と称されて
いる。）を行う方法である。この方法は、セルロ
ース系繊維を苛性ソーダ水溶液で処理することに
より非晶領域を増大させ、その結果染色性を大巾
に向上させる方法である。シルケツト加工は簡単
で、かつ安価な加工方法であるため、セルロース
系繊維には多用されている。
本発明者は、このシルケツト加工についてさら
に鋭意研究した結果、シルケツト加工前に低温プ
ラズマ処理によつて繊維品の表面に微細な凹凸を
付与しておけば、染色性が驚くほど改良されるこ
とを見出し、本発明に到達した。
すなわち、本発明はセルロース系繊維を含む繊
維品を0.1〜5Torrに減圧した酸素又は酸素を含
有する混合気体の低温プラズマで処理し、しかる
後に10〜30％の濃度の苛性ソーダ水溶液で処理す
ることを特徴とするセルロース系繊維を含む繊維
品の染色性改良加工法である。
以下、本発明を詳細に説明する。
本発明法に供される繊維品は、セルロース系繊
維を含有する糸、編み物及び織物等がある。また
それらは原料のまま（糸の場合は原糸、編み物の
場合は生成、織物の場合は生機をさす。）でもあ
るいは毛焼、糊抜、精練、漂白のいずれか又はす
べての前処理をほどこしたものでも良い。
本発明では、まず初めに上述のごとき繊維品を
0.1〜5Torrに減圧した酸素又は酸素を含有する
混合気体の低温プラズマで処理する。
本発明で用いる低温プラズマは、0.1Torrより
高く5Torr以下、好ましくは0.2Torr以上4Torr
以下の圧力の各種ガスに高周波（例えば13.56M
Hz）を照射することにより発生させることができ
る。低温プラズマは、気体の減圧度が0.1Torr以
下では処理効果が悪く、5Torr以上ではプラズマ
の発生が不安定となるので、減圧度0.1Torr以上
5Torr以下の範囲で行う必要がある。
プラズマ発生に用いられるガスについては、セ
ルロース系繊維の表面に微細な凹凸を付与する必
要から、かかる性質を有するガスは具体的には酸
素又は酸素を含有する混合気体があげられる。こ
のように低温プラズマ処理されたセルロース系繊
維は、表面に微細な凹凸が形成されているので、
光を乱反射させ、深色化する効果がある。しかし
この低温プラズマ処理のみでは処理繊維の表層を
架橋したり、反応性の水酸基を破壊したりするた
め、染色性を大巾に低下させる等の望ましくない
逆効果が発生する。
本発明は、繊維表面の凹凸を残したまま架橋の
切断及び水酸基の再生、さらには非晶領域を増大
する方法として見出したのが苛性ソーダ処理との
組合せである。
そこで、本発明では低温プラズマ処理された繊
維品を次に10〜30％の濃度の苛性ソーダ水溶液で
処理する。苛性ソーダ濃度が10％以下では処理効
果が悪く、30％以上では処理効果の一層の向上は
得られず、不経済となる。処理方法は、ごく通常
一般的に行われているシルケツト加工方法と同様
の方法で行えば良い。
このようにして得られた繊維品は、セルロース
系繊維に対するあらゆる染料、染色方法にて優れ
た発色性を示す。さらに、低温プラズマ処理によ
つてセルロース系繊維は表層部から減量されるの
で、非常にしなやかな風合となる。また、同時に
得られる光沢は通常のシルケツト加工のような強
い光沢ではなく、おだやかな上品な光沢となる。
以下、実施例によりさらに具体的に本発明を説
明するが、実施例中における染色性の評価は下記
(A)，(B)の二種類の染料、染色法を用い、染色布の
色が濃さはＫ／Ｓ〔クベルカームンク式；数値が
きいほど濃く見える〕で表すべく次式で計算し
た。
Ｋ／Ｓ＝（１−Ｒ）2／2R
（ただし、Ｒは600nmでの反射率である。）
(A) 反応性染料による評価
〔染色液〕
シバクロン、ブリリアント、ブルーBR−Ｐ
（チバ、ガイキー社製） 40ｇ／
尿 ソ 200ｇ／
ソーダー灰 20ｇ／
〔染色方法〕
含浸、絞り（ウエツトピツクアツプ 70％）
↓
予備乾燥 （100℃×１分）
↓
キユアリング（160℃×２分）
↓
洗 浄
↓
乾 燥
(B) 直接染料による評価
〔染色液〕
カヤラススプラブルーFF 2GL ４％o.w.f.
芒 硝 20％o.w.f.
〔染色方法〕
浴 比 １：40
90℃×30分
↓
洗 浄
↓
乾 燥
また、風合はトータルハンド（上野山機工製風
合メーターにて処理布の表裏経緯の合計）で評価
した。
実施例 １
毛焼、糊抜、精練、標白加工後のコーマ綿糸
100〜40番手使用の織物キヤンブリツクを、被加
工布帛として用意した。次に、布帛の低温プラズ
マ処理装置を用いて真空度2Torr、酸素ガス流量
100ml／min、高周波出力400W（周波数13.56M
Hz）の処理条件にて上記布帛を10分間処理した。
次にこれを常法に従い20℃の23％苛性ソーダ水溶
液でシルケツト加工し、本発明による処理布を得
た。
本発明方法との比較のため、本実施例における
低温プラズマ処理を除くほかは、本実施例と全く
同一の方法で処理を行つた。得られた処理布を比
較例１とした。また、別に本発明方法との比較の
ため、本実施例において苛性ソーダ処理を行わず
その他は本実施例と全く同一の方法で処理を行つ
た得られた。処理布を比較例２とした、これらの
処理布の性能を測定し、第１表に示した。第１表
から明らかなごとく、本発明方法による処理布は
染色濃度が非常に高かつた。また、風合も非常に
柔難であつた。
The present invention relates to a processing method for improving the dyeability of textile products containing cellulose fibers. Methods for improving the dyeability of textiles include methods for making fibers amorphous, methods for introducing into fibers functional groups that are compatible with and reactive with dyes, and methods for improving the cross-sectional structure of fibers. However, the method that has been put into practical use with cellulose fibers is mercerization (generally referred to as mercerization). In this method, cellulose fibers are treated with an aqueous solution of caustic soda to increase the amorphous region, thereby greatly improving dyeability. Mercerization is a simple and inexpensive processing method, so it is widely used for cellulosic fibers. As a result of further intensive research into this mercerizing process, the present inventor found that dyeing properties can be surprisingly improved if fine irregularities are imparted to the surface of textiles by low-temperature plasma treatment before mercerizing. Heading, we arrived at the present invention. That is, the present invention involves treating a textile product containing cellulose fibers with low-temperature plasma of oxygen or a mixed gas containing oxygen at a reduced pressure of 0.1 to 5 Torr, and then treating it with an aqueous solution of caustic soda at a concentration of 10 to 30%. This is a processing method for improving the dyeability of textile products containing cellulose fibers. The present invention will be explained in detail below. The fiber products that can be subjected to the method of the present invention include yarns, knitted fabrics, and woven fabrics containing cellulose fibers. In addition, they can be used as raw materials (original yarn in the case of yarn, raw material in the case of knitting, and greige in the case of textiles), or they can be pretreated by burning, desizing, scouring, and/or bleaching. It's okay to have something like that. In the present invention, first of all, the above-mentioned textile products are
Treatment is performed with low-temperature plasma of oxygen or a mixed gas containing oxygen at a reduced pressure of 0.1 to 5 Torr. The low temperature plasma used in the present invention is higher than 0.1 Torr and lower than 5 Torr, preferably higher than 0.2 Torr and lower than 4 Torr.
High frequency (e.g. 13.56M) for various gases at pressures below
Hz) can be generated by irradiation. Low-temperature plasma has a poor processing effect when the degree of gas depressurization is less than 0.1 Torr, and plasma generation becomes unstable when the degree of decompression of the gas is more than 5 Torr.
This must be done within a range of 5Torr or less. Regarding the gas used for plasma generation, since it is necessary to impart fine irregularities to the surface of the cellulose fiber, a gas having such properties is specifically oxygen or a mixed gas containing oxygen. Cellulose fibers treated with low-temperature plasma have fine irregularities formed on their surfaces, so
It has the effect of diffusely reflecting light and deepening the color. However, this low-temperature plasma treatment alone crosslinks the surface layer of treated fibers and destroys reactive hydroxyl groups, resulting in undesirable adverse effects such as a drastic reduction in dyeability. The present invention has discovered a method for cutting crosslinks, regenerating hydroxyl groups, and increasing amorphous regions while leaving the unevenness of the fiber surface in combination with caustic soda treatment. Therefore, in the present invention, the textile product that has been subjected to the low-temperature plasma treatment is then treated with an aqueous solution of caustic soda having a concentration of 10 to 30%. If the caustic soda concentration is less than 10%, the treatment effect is poor, and if it is more than 30%, no further improvement in the treatment effect can be obtained and it becomes uneconomical. The treatment method may be the same as the commonly used mercerization method. The thus obtained fiber product exhibits excellent color development with all dyes and dyeing methods for cellulosic fibers. Furthermore, the cellulose fibers are reduced in weight from the surface layer by low-temperature plasma treatment, resulting in a very supple texture. Furthermore, the gloss obtained at the same time is not a strong gloss like that of ordinary mercerizing, but a gentle and elegant gloss. Hereinafter, the present invention will be explained in more detail with reference to Examples.
Using two types of dyes and dyeing methods (A) and (B), the color density of the dyed fabric was calculated using the following formula to express it as K/S [Kubelker-Munk formula; the higher the value, the darker it appears]. K/S=(1-R) 2 /2R (R is the reflectance at 600 nm.) (A) Evaluation using reactive dyes [Staining solution] Cibacron, Brilliant, Blue BR-P
(manufactured by Ciba, Geikie) 40g / Urine 200g / Soda ash 20g / [Dyeing method] Impregnation, squeezing (wet pick-up 70%) ↓ Pre-drying (100℃ x 1 minute) ↓ Curing (160℃ x 2 minutes) ↓ Washing ↓ Drying (B) Evaluation using direct dyes [Staining solution] Kayarasupura Blue FF 2GL 4% OWF Glauber's salt 20% OWF [Dyeing method] Bath ratio 1:40 90℃ x 30 minutes ↓ Washing ↓ Drying Drying In addition, the texture was evaluated using a total hand (the sum of the front and back surfaces of the treated fabric using a texture meter manufactured by Uenoyama Kiko). Example 1 Combed cotton yarn after burning, desizing, scouring, and whitening processing
A fabric canvas using a count of 100 to 40 was prepared as a fabric to be processed. Next, we used a fabric low-temperature plasma treatment device to reduce the vacuum level to 2 Torr and the oxygen gas flow rate.
100ml/min, high frequency output 400W (frequency 13.56M
The above fabric was treated for 10 minutes under the treatment conditions (Hz).
Next, this was mercerized with a 23% caustic soda aqueous solution at 20° C. according to a conventional method to obtain a treated fabric according to the present invention. For comparison with the method of the present invention, treatment was performed in exactly the same manner as in this example, except for the low-temperature plasma treatment in this example. The obtained treated cloth was designated as Comparative Example 1. Separately, for comparison with the method of the present invention, a sample was obtained in which the treatment in this example was performed in exactly the same manner as in this example, without the caustic soda treatment. The performance of these treated fabrics, using the treated fabric as Comparative Example 2, was measured and shown in Table 1. As is clear from Table 1, the fabric treated by the method of the present invention had a very high dye density. Also, the texture was very soft.
【表】
実施例 ２
綿100％20番手使用の繊物シーチングを被加工
布帛として用意した。次に布帛の低温プラズマ処
理装置を用いて真空度2Torr、酸素ガス流量150
ml／min、高周波出力450W（周波数13.56MHz）
の処理条件にて上記布帛を７分間処理した。次に
これを常法に従い毛焼、糊抜、精練、標白したの
ち、20℃の20％苛性ソーダ水溶液で常法に従いシ
ルケツト加工を行い、本発明による処理布を得
た。
本発明方法との比較のため、本実施例における
低温プラズマ処理を除くほかは、本実施例を全く
同一の方法で処理を行つた。得られた処理布を比
較例３とした。また、別に本発明方法との比較の
ため、本実施例において苛性ソーダ処理を行わず
その他は本実施例と全く同一の方法で処理を行つ
た。得られた処理布を比較例４とした。これらの
処理布の性能を測定し、第２表に示した。
第２表から明らかなごとく、本発明方法による
処理布は染色濃度が非常に高かつた。また、風合
も非常に柔難であつた。[Table] Example 2 A fibrous sheeting made of 100% cotton with a count of 20 was prepared as a fabric to be processed. Next, using a fabric low-temperature plasma treatment device, the vacuum level is 2 Torr and the oxygen gas flow rate is 150.
ml/min, high frequency output 450W (frequency 13.56MHz)
The above fabric was treated for 7 minutes under the following treatment conditions. Next, this was subjected to hair burning, desizing, scouring and whitening according to a conventional method, and then mercerized using a 20% caustic soda aqueous solution at 20° C. according to a conventional method to obtain a treated cloth according to the present invention. For comparison with the method of the present invention, this example was treated in exactly the same manner, except for the low-temperature plasma treatment in this example. The obtained treated cloth was designated as Comparative Example 3. In addition, for comparison with the method of the present invention, the treatment in this example was performed in exactly the same manner as in this example, except that the caustic soda treatment was not performed. The obtained treated cloth was designated as Comparative Example 4. The performance of these treated fabrics was measured and shown in Table 2. As is clear from Table 2, the fabric treated by the method of the present invention had a very high dye density. Also, the texture was very soft.
【表】
実施例 ３
毛焼、糊抜、精練、標白加工後の麻100％20番
手使用の平織物を被加工布として用意した。次に
布帛の低温プラズマ処理装置を用いて真空度
2Torr、酸素ガス流量100ml／min、高周波出力
450W（周波数13.56MHz）の処理条件にて上記布
帛を10分間処理した。次に、これを常法に従い20
度の23％苛性ソーダ水溶液でシルケツト加工し、
本発明による処理布帛を得た。
本発明方法との比較のため、本実施例における
低温プラズマ処理を除くほかは、本実施例と全く
同一の方法で処理を行つた。得られた処理布を比
較例５とした。また、別に本発明方法との比較の
ため、本実施例において苛性ソーダ処理を行わ
ず、その他は本実施例と全く同一の方法で処理を
行つた。得られた処理布を比較例６とした。これ
らの処理布の性能を測定し、第３表に示した。
第３表から明らかなごとく、本発明による処理
布は染色濃度が非常に高かつた。[Table] Example 3 A plain woven fabric made of 100% hemp with 20 count after burning, desizing, scouring, and whitening was prepared as a fabric to be processed. Next, we use a fabric low-temperature plasma treatment device to reduce the vacuum level.
2Torr, oxygen gas flow rate 100ml/min, high frequency output
The above fabric was treated for 10 minutes under treatment conditions of 450W (frequency 13.56MHz). Next, do this for 20 minutes according to the usual method.
Mercerized with 23% caustic soda aqueous solution,
A treated fabric according to the invention was obtained. For comparison with the method of the present invention, treatment was performed in exactly the same manner as in this example, except for the low-temperature plasma treatment in this example. The obtained treated cloth was designated as Comparative Example 5. In addition, for comparison with the method of the present invention, the caustic soda treatment was not performed in this example, and the treatment was otherwise performed in the same manner as in this example. The obtained treated cloth was designated as Comparative Example 6. The performance of these treated fabrics was measured and shown in Table 3. As is clear from Table 3, the fabric treated according to the present invention had a very high dye density.
Claims (1)
5Torrに減圧した酸素又は酸素を含有する混合気
体の低温プラズマで処理し、しかる後に10〜30％
の濃度の苛性ソーダ水溶液で処理することを特徴
とするセルロース系繊維を含む繊維品の染色性改
良加工法。1 Textile products containing cellulose fibers from 0.1 to
Treated with low-temperature plasma of oxygen or a mixed gas containing oxygen at a reduced pressure of 5 Torr, and then reduced by 10 to 30%.
A method for improving the dyeability of textiles containing cellulose fibers, characterized by treating with an aqueous solution of caustic soda at a concentration of .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9443283A JPS59223363A (en) | 1983-05-28 | 1983-05-28 | Dyeability improving process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9443283A JPS59223363A (en) | 1983-05-28 | 1983-05-28 | Dyeability improving process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59223363A JPS59223363A (en) | 1984-12-15 |
| JPH0316419B2 true JPH0316419B2 (en) | 1991-03-05 |
Family
ID=14110077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9443283A Granted JPS59223363A (en) | 1983-05-28 | 1983-05-28 | Dyeability improving process |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59223363A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003023129A1 (en) * | 2001-09-13 | 2003-03-20 | Deutsche Institute Für Textil- Und Faserforschung Stuttgart Stiftung Des Öffentlichen Rechts | Method for the rapid mercerization of cotton |
| WO2005115063A1 (en) * | 2004-05-20 | 2005-12-01 | Universidade Do Minho | Continuous and semi-continuous treatment of textile materials integrating corona discharge |
-
1983
- 1983-05-28 JP JP9443283A patent/JPS59223363A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59223363A (en) | 1984-12-15 |
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