JPH03213566A - Mercerization process - Google Patents
Mercerization processInfo
- Publication number
- JPH03213566A JPH03213566A JP932190A JP932190A JPH03213566A JP H03213566 A JPH03213566 A JP H03213566A JP 932190 A JP932190 A JP 932190A JP 932190 A JP932190 A JP 932190A JP H03213566 A JPH03213566 A JP H03213566A
- Authority
- JP
- Japan
- Prior art keywords
- cloth
- fabric
- tenter
- caustic soda
- mercerized
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000005517 mercerization Methods 0.000 title claims description 5
- 239000004744 fabric Substances 0.000 claims abstract description 57
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 45
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 9
- 229920000742 Cotton Polymers 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000003313 weakening effect Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 17
- 239000007788 liquid Substances 0.000 abstract description 15
- 239000003513 alkali Substances 0.000 abstract description 8
- 239000007864 aqueous solution Substances 0.000 abstract description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000003518 caustics Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000012466 permeate Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000003113 alkalizing effect Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、濃厚な苛性溶液を使用してシルケット加工を
行なう際に、そのシルケット加工布に付与された苛性ソ
ーダの残留を皆無となして布帛の寸法安定性を高めるこ
とができるシルケット加工方法に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a method for producing fabrics by eliminating any residual caustic soda applied to the mercerized fabric when mercerizing the fabric using a concentrated caustic solution. The present invention relates to a mercerization method that can improve the dimensional stability of.
（従来の技術〕
工業的に生産加工する綿布帛の置台、艶、染色性、寸法
安定性等を改善するための手段としてシルケット加工（
処理）が周知である。このシルケット加工は、１６〜２
２％の濃厚な苛性ソーダをシルケット処理液となし、こ
の処理液を含浸せしめた布帛をテンターで緊張移送させ
、次いでその緊張を維持しながら、テンター上で洗浄水
によるシャワーとサクションによる洗浄を行なって、苛
性の脱落を図っているが、この洗浄水による洗浄のみで
は、布帛に付着されている苛性分が完全に除去され難く
、通常では約５〜６％の残留アルカリが生じる。この５
〜６％の残留アルカリが生じることで仕上げられた布帛
の寸法安全性が悪く、その後において約６〜７％の収縮
率があって良質のシルケット加工布と云いがたいもので
あった。(Conventional technology) Mercerization (
processing) is well known. This mercerization process takes 16 to 2
Using 2% concentrated caustic soda as a mercerizing solution, the fabric impregnated with this solution was transferred under tension using a tenter, and then, while maintaining the tension, it was washed with washing water and suction on the tenter. Although attempts are made to remove the caustic, it is difficult to completely remove the caustic components adhering to the fabric by washing with this washing water alone, and usually about 5 to 6% of residual alkali is generated. This 5
The dimensional stability of the finished fabric was poor due to the presence of ~6% residual alkali, and the subsequent shrinkage rate was approximately 6-7%, making it difficult to call it a good quality mercerized fabric.
従って従来においては、その収縮率を零に近ずけるため
、テンターから外された布帛を多数のマツター及び湯洗
槽によって繰返し、さらに長時間をかけて洗浄する必要
があった。またこの洗浄工程を簡素化するために、テン
ターにより移送される布帛に、洗浄水を使用するシャワ
ーとサクションとによる洗浄を繰返し行なった後、蒸気
の吹き付けにより、繊維中の苛性とセルローズの分離を
促進させることが行なわれているが、蒸気は質量が少な
く軽量なものであるために、布帛に吹き付けられる衝撃
力が弱く、しかも布帛繊維間の通過力、すなわち布帛内
芯分への浸透力が弱いために、テンター上において目的
とする効果的な洗浄が期待できないという問題点があっ
た。Therefore, in the past, in order to bring the shrinkage rate close to zero, it was necessary to repeatedly wash the fabric removed from the tenter using a large number of matters and hot water washing tanks, and for a longer period of time. In addition, in order to simplify this washing process, the fabric transferred by the tenter is repeatedly washed with showers and suctions using washing water, and then steam is sprayed to separate the caustic and cellulose in the fibers. However, since steam has a small mass and is lightweight, the impact force blown onto the fabric is weak, and the passing force between the fabric fibers, that is, the penetration force into the inner core of the fabric, is weak. Because of its weakness, there was a problem in that the desired effective cleaning on the tenter could not be expected.
〔課題を解決するための手段）
本発明はかかる問題点に着目してなされたもので、その
目的とするところは、苛性ソーダを付与してシルケット
加工する布帛を、テンターで緊張移送する過程でアルカ
リ分の残留を少なくなして、ひいては該布帛の寸法安定
性を高めるために、そのテンター上の布帛に、炭酸ガス
を混入した洗浄水を用いて洗浄を行ない、布帛に吸着さ
れている強アルカリを弱アルカリ化して、布帛からの離
脱を容易ならしめ、これによってシルケット完成布帛の
収縮率を例えば４〜５％以下に改善することができるシ
ルケット加工方法を提供することにある。[Means for Solving the Problems] The present invention has been made in view of the above-mentioned problems, and its purpose is to remove alkali during the process of tension-transferring a fabric to be mercerized with caustic soda using a tenter. In order to reduce the residual amount of water and increase the dimensional stability of the fabric, the fabric on the tenter is washed with cleaning water mixed with carbon dioxide to remove the strong alkali adsorbed on the fabric. The object of the present invention is to provide a mercerizing method that makes it possible to make the fabric weakly alkalized so that it can be easily removed from the fabric, thereby improving the shrinkage rate of the mercerized fabric to, for example, 4 to 5% or less.
（実 施 例）
以下に本発明を図面に示す実施例に基いて詳細に説明す
る。(Example) The present invention will be described in detail below based on an example shown in the drawings.
１は濃度が例えば１６〜２２％である苛性ソーダ水溶液
を入れた液槽であって、この液槽１内の苛性ソーダ水溶
液中には、シルケットすべき布帛２を連続的に浸漬通過
せしめることができるようになっている。３は含液され
た布帛２の両側辺縁をクリップして、その布帛２の幅方
向に緊張力を作用させながら移送するテンターであるが
、このテンター３の構造は、周知のものを使用すること
ができる。４はテンター３によって緊張されながら移送
される布帛２の上面に向けて洗浄液５を流し下すための
樋状のオーバーフロー槽であって、これらのオーバーフ
ロー槽４には、移送される布帛の下側に設置されている
受皿６に蓄積された洗浄液がポンプ７の駆動によりポン
プアップされて供給され、その結果オーバーフローされ
て布帛２上に流れ落ちるものである。８はテンター３に
より緊張移送される布帛２の下面に近接され、その布帛
に含浸された洗浄液を吸引回収するためのサクシロンノ
ズル群であり、９はそのサクションポンプであって、こ
のサクションポンプ９の駆動力により、布帛の上面より
下面に透過する吸弓力が作用し、布帛の内芯部に洗浄液
が透過され洗浄効果が高められるものである。本発明の
重要な点は、上記テンターにより移送される布帛２に付
与する洗浄液５の液質であって、本実施例にあフては、
炭酸ガスを１〜３％含む洗浄水となしたことにある。す
なわち、テンター３の略中間点を過ぎたころから、上記
炭酸ガスを含めた洗浄水を布帛２に付与し、さらにはバ
キューム作用を付与することで、その布帛２に付着され
ていたアルカリ剤（苛性ソーダ）が布帛２より脱落する
ことは勿論であるが、この洗浄液の洗浄力で脱落しない
アルカリ剤はその洗浄液に含まれる炭酸ガスの作用によ
り炭酸塩（炭酸ソーダ、重炭酸ソーダ）に変り、弱アル
カリ物質となるので、繊維との吸着力が弱まり、その結
果洗浄液の流れを受けて布帛から容易に離脱されるもの
である。すなわち、Ｎａ０１（＋ＧＯ２＝ ＮａＨＣＯ
ｓ
２ＮａＯ）Ｉ＋Ｃ０ｚ＝ Ｎａ２ＣＯ３”１（２０であ
る。Reference numeral 1 denotes a liquid tank containing a caustic soda aqueous solution having a concentration of, for example, 16 to 22%, and the fabric 2 to be mercerized can be continuously immersed and passed through the caustic soda aqueous solution in the liquid tank 1. It has become. 3 is a tenter that clips both side edges of the liquid-impregnated fabric 2 and transfers the fabric 2 while applying tension in the width direction; the structure of this tenter 3 uses a well-known structure. be able to. Reference numeral 4 denotes a gutter-like overflow tank for flowing down the cleaning liquid 5 toward the upper surface of the fabric 2 being transferred under tension by the tenter 3. The cleaning liquid accumulated in the installed saucer 6 is pumped up and supplied by the drive of the pump 7, and as a result, it overflows and flows down onto the fabric 2. Reference numeral 8 designates a group of succilon nozzles which are placed close to the lower surface of the fabric 2 being tension-transferred by the tenter 3 and are used to suck and collect the cleaning liquid impregnated into the fabric, and 9 is a suction pump for the suction pump 9. Due to the driving force, a suction force that permeates from the upper surface to the lower surface of the fabric acts, and the cleaning liquid permeates into the inner core of the fabric, thereby enhancing the cleaning effect. An important point of the present invention is the quality of the cleaning liquid 5 applied to the fabric 2 transferred by the tenter, and in this embodiment,
The reason is that the cleaning water contains 1 to 3% carbon dioxide gas. That is, from approximately the midpoint of the tenter 3, washing water containing carbon dioxide gas is applied to the fabric 2, and a vacuum action is applied to remove the alkaline agent ( It goes without saying that the caustic soda (caustic soda) will fall off from the fabric 2, but the alkaline agent that does not fall off due to the cleaning power of this cleaning liquid will be converted into carbonates (soda carbonate, soda bicarbonate) by the action of carbon dioxide gas contained in the cleaning liquid, and will become a weak alkaline substance. Therefore, the adsorption force with the fibers is weakened, and as a result, it is easily separated from the fabric by the flow of the cleaning liquid. That is, Na01(+GO2= NaHCO
s2NaO)I+C0z=Na2CO3"1 (20.
従って本実施例によれば、１〜３％を含む洗浄水をテン
ター上で使用して布帛の洗浄を行なったところ、そのテ
ンター３の出口部での布帛の残留アルカリは３〜４％に
減少し、そのシルケット完成布帛の収縮率は４〜５％に
向上した。因みに従来の炭酸ガスを含めない洗浄水を使
用する洗浄ではテンターの出口部での布帛の残留アルカ
リは５〜６％で、その布帛収縮率は６〜７％である。Therefore, according to this embodiment, when the fabric was washed using washing water containing 1 to 3% on the tenter, the residual alkali on the fabric at the outlet of the tenter 3 was reduced to 3 to 4%. However, the shrinkage rate of the mercerized fabric was improved to 4-5%. Incidentally, in conventional cleaning using cleaning water that does not contain carbon dioxide gas, the residual alkali in the fabric at the outlet of the tenter is 5 to 6%, and the fabric shrinkage rate is 6 to 7%.
以上のように本発明は濃厚な苛性ソーダで綿布帛をシル
ケット加工する苛性ソーダ処理後のテンター上で使用す
る苛性ソーダ脱落用洗浄水に炭酸ガスを添加して、布帛
に吸着されている強アルカリ剤を弱アルカリ化して、上
記吸着力を弱めるようにしたシルケット加工方法である
から、これによれば、シルケットテンターにより移送さ
れる布帛に吸着されているアルカリ剤の洗浄脱落が有効
となり、従来では、そのアルカリ剤の残留率を５〜６％
以下とすることが困難であったが、本発明ではその残留
率を３〜４％程度まで下げることができ、この結果シル
ケットが完成された布帛の収縮率を４〜５％以下に抑え
ることができ、品質の良好なシルケット加工布が得られ
るという効果が得られる。As described above, the present invention mercerizes cotton fabric with concentrated caustic soda. Carbon dioxide gas is added to the washing water for removing caustic soda used on the tenter after caustic soda treatment to weaken the strong alkaline agent adsorbed on the fabric. Since this is a mercerizing method that weakens the adsorption force by alkalizing the fabric, it is effective in washing off the alkali agent adsorbed on the fabric being transferred by the mercer tenter. Reduce the residual rate of the agent to 5-6%
However, with the present invention, it is possible to reduce the residual rate to about 3 to 4%, and as a result, the shrinkage rate of the mercerized fabric can be suppressed to 4 to 5% or less. The effect is that a mercerized cloth of good quality can be obtained.
第１図は本発明を実施するに使用される装置の一例を示
した要部説明図、第２図はその平面説明図である。
１・・・液槽
３・・・テンター
５・・・洗浄液
７・・・ポンプ
９・・・サクションポンプ
２・・・布帛
４・・・オーバーフロー槽
６・・・受皿
８・・・サクションノズル
他４名
特開平
３
２１３５６６ （４）FIG. 1 is an explanatory diagram of a main part showing an example of an apparatus used to carry out the present invention, and FIG. 2 is an explanatory plan view thereof. 1...Liquid tank 3...Tenter 5...Washing liquid 7...Pump 9...Suction pump 2...Fabric 4...Overflow tank 6...Saucer 8...Suction nozzle, etc. 4 people JP-A-3 213566 (4)
Claims (1)
性ソーダ処理後のテンター上で使用する苛性ソーダ脱落
用洗浄水に炭酸ガスを添加して、布帛に吸着されている
強アルカリ剤を弱アルカリ化して、上記吸着力を弱める
ようにしたことを特徴とするシルケット加工方法。1. Mercerizing cotton fabric with concentrated caustic soda. Carbon dioxide gas is added to the washing water used to remove caustic soda on the tenter after the caustic soda treatment, and the strong alkaline agent adsorbed on the fabric is made weakly alkaline, and the above-mentioned adsorption is made weakly alkaline. A mercerization method characterized by weakening the force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP932190A JPH03213566A (en) | 1990-01-18 | 1990-01-18 | Mercerization process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP932190A JPH03213566A (en) | 1990-01-18 | 1990-01-18 | Mercerization process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03213566A true JPH03213566A (en) | 1991-09-18 |
Family
ID=11717205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP932190A Pending JPH03213566A (en) | 1990-01-18 | 1990-01-18 | Mercerization process |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03213566A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5035492A (en) * | 1973-07-27 | 1975-04-04 | ||
| JPS59112066A (en) * | 1982-11-29 | 1984-06-28 | ル・エ−ル・リクイツド・ソシエテ・アノニム・プ−ル・ル・エチユド・エ・ル・エクスプルワテシヨン・デ・プロセデ・ジエオルジエ・クロ−ド | Neutralization of cellulose fiber substrate and apparatus used therein |
| JPH01148871A (en) * | 1987-12-07 | 1989-06-12 | Tanaka Masatoyo | Caustic alkali treatment of knitted fabric |
-
1990
- 1990-01-18 JP JP932190A patent/JPH03213566A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5035492A (en) * | 1973-07-27 | 1975-04-04 | ||
| JPS59112066A (en) * | 1982-11-29 | 1984-06-28 | ル・エ−ル・リクイツド・ソシエテ・アノニム・プ−ル・ル・エチユド・エ・ル・エクスプルワテシヨン・デ・プロセデ・ジエオルジエ・クロ−ド | Neutralization of cellulose fiber substrate and apparatus used therein |
| JPH01148871A (en) * | 1987-12-07 | 1989-06-12 | Tanaka Masatoyo | Caustic alkali treatment of knitted fabric |
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