CN109594257A - A kind of Slack-Batch Mercerizing end of low alkaline concentration - Google Patents

A kind of Slack-Batch Mercerizing end of low alkaline concentration Download PDF

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Publication number
CN109594257A
CN109594257A CN201910073147.6A CN201910073147A CN109594257A CN 109594257 A CN109594257 A CN 109594257A CN 201910073147 A CN201910073147 A CN 201910073147A CN 109594257 A CN109594257 A CN 109594257A
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CN
China
Prior art keywords
fabric
slack
low alkaline
lixiviating
alkaline concentration
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CN201910073147.6A
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Inventor
马晓飞
张丽
袁鹏
张志成
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TAIHE SANBAO TONGDA TEXTILE CO Ltd
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TAIHE SANBAO TONGDA TEXTILE CO Ltd
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Priority to CN201910073147.6A priority Critical patent/CN109594257A/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B7/00Mercerising, e.g. lustring by mercerising
    • D06B7/08Mercerising, e.g. lustring by mercerising of fabrics of indefinite length
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B13/00Treatment of textile materials with liquids, gases or vapours with aid of vibration
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C3/00Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
    • D06C3/02Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by endless chain or like apparatus
    • D06C3/04Tentering clips
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/02Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The invention discloses a kind of Slack-Batch Mercerizing ends of low alkaline concentration, are related to textile technology field.The Slack-Batch Mercerizing end of low alkaline concentration of the present invention includes that open width feeds, pads together, J-type case negative pressure is banked up, two pad, taut cloth rewinder roll drawing-off, expanding lixiviating, freezing lixiviating, open washing, baking process;The invention also includes bank up 5~7min in J-type case negative pressure under the conditions of 170~180g/L concentration of caustic soda, banking up temperature is 25~30 DEG C, pressure -0.2~-0.3MPa, obtained textile processes quality is good, wrinkle strip rate is low, mercerization effect is promoted, while reducing the dosage of caustic soda, there is its positive meaning in terms of energy-saving and emission-reduction.

Description

A kind of Slack-Batch Mercerizing end of low alkaline concentration
Technical field
The present invention relates to textile technology fields, and in particular to a kind of Slack-Batch Mercerizing end of low alkaline concentration.
Background technique
Mercerising refers to the silky brilliance presented in the processed rear surface of certain cotton goods.Conventional compact type mercerization, which refers to, to be knitted Object uses concentrated base (240~260g/L), and the short time is handled under tension, then through it is taut cloth is ventilative, the lye that rerolls, expanding rinse, Steaming, washing and the mercerization completed.Terylene will not generate extruding and shrink, morphosis in concentrated base, especially super Molecular structure will not change.Compact type mercerization is unfavorable for the infiltration of lye, easily under the conditions of ventilative roller is through to hightension There is surface mercerising phenomenon, influence final mercerization effect, and the fluffy soft degree after fabric processing reduces.
Therefore, seek a kind of method tool that can be improved mercerising permeability, mercerising uniformly while meeting energy-saving and emission-reduction requirement There is important realistic meaning.
Summary of the invention
It, can be preferably technical problem to be solved by the present invention lies in a kind of Slack-Batch Mercerizing end of low alkaline concentration is provided It is processed for cotton or dacron.
The slack mercerizing of low alkaline concentration change traditional mercerising full compact form band tension technique, implement no-station pole canopy with it is tensioned The energy conservation innovation new process of compound mercerising.The classical alkali dense of conventional compact type mercerization is generally 240~260g/L, although this concentration The diameter of buck compound has been decreased to 0.6~0.7nm, enters cellulose structure cell inner core enough, but since fabric rolls after alkali at once Into tension state, warp thread is by tension force stretching, and weft yarn also will affect the infiltration and diffusion of alkali by the pressure of warp thread, and slack mercerizing The fabric unlike compact type mercerization rolls the no-station pole canopy pine heap for having about 5min after alkali, and buck compound has fully penetrated, diffusion, molten Swollen process, the appropriate concentration for reducing alkali, extends the webbing alkali time in a relaxed state, can both reduce the alkaline water of terylene Solution, and cotton fiber can be allowed to generate sufficiently expansion, the concentration of caustic soda, which is down to 170~180g/L just, in this technique can reach wanting for mercerising It asks, and the dilution of concentration of lye is more advantageous to infiltration and diffusion of the lye to fiber.
The following technical solution is employed for the technical problems to be solved by the invention to realize:
A kind of Slack-Batch Mercerizing end of low alkaline concentration, includes the following steps:
(1) open width is fed;
(2) it pads together;
(3) J-type case negative pressure is banked up;
(4) two pad;
(5) taut cloth rewinder roll drawing-off;
(6) expanding lixiviating;
(7) lixiviating is freezed;
(8) open washing, drying.
Described pad together enters first of groove alkali immerging for fabric, includes 170~180g/ of caustic soda in leach mill solution L。
The mode of padding together is second dipping and rolling, and the first padding machine pressure is 0.26~0.33Mpa, and the second padding machine pressure is 0.18~0.23Mpa, pick-up 70~75% pad for the first time and pad interval time for the second time for 9s.
The J-type case negative pressure stacking time is 5~7min, and banking up temperature is 25~30 DEG C, pressure -0.2~-0.3Mpa, The negative pressure is provided by vacuum pump.
Described two pad process padding machine pressure be 0.28~0.36Mpa, pick-up 80~85%.
The expanding lixiviating process is that fabric after expanding operation 1/3, is eluted on cloth gripper chain by elution liquid absorption device, In, the elution medium is lye, and the concentration of lye is 46~52g/L, and the alkali liquid temperature is 65~72 DEG C.
The freezing lixiviating is that fabric is first sufficiently mixed under ultrasonic wave effect in reactive tank with carbon dioxide gas, so Fabric is taken out afterwards, is freezed, with compressed air purging to fabric surface cleaning after freezing.
The ultrasonic wave action time is 30~45min, and ultrasonic wave interaction medium is pure water, and the pure water water temperature control is 72~75 DEG C, the 21~23kHZ of ultrasonic frequency, the ultrasonic power is 1.1~1.3w/cm2;The bottom of the reactive tank Portion is uniformly placed with air discharge ports, and the carbon dioxide gas is discharged through the air discharge ports, the air discharge ports peace Filling density of setting is 1 every square centimeter, and the air discharge ports are apart from the reaction tank bottom 2.5cm;The carbon dioxide The discharge amount of gas is that molten amount of carbon dioxide is controlled in 8~16ppm in water;The freezing conditions are that fabric is placed in 2~4 DEG C of rings 15~20min is freezed under border;The purging flow velocity of the compressed air is 22m/s.
The charging is cotton or dacron.
The beneficial effects of the present invention are:
1, for Slack-Batch Mercerizing end when 5~7min is banked up in relaxation, lye has enough time to infiltrate through fiber, textile surface and The fiber of inner layer can be acted on sufficiently with alkali, be equably swollen, achieved the effect that " saturating and even ".The fiber of differing maturity, Dyeability is variant, but the fiber of differing maturity can reduce the difference of its dyeability after alkali is sufficiently swollen, to mention High dye uniformity.It is banked up under the conditions of vacuum cavitations, can accelerate and lye is promoted uniformly to penetrate into, played and stablize low alkali dense Degree, the purpose of uniform cloth cover alkalinity improve dyeing effect while improving fabric mercerization effect.
2, it is rolled in this technique compared to two traditional leachings two and continuously pads processing, when this technique is spaced one section after padding every time Between, there are sufficient soak time and " saturation " process to fabric, lye osmotic effect is more preferable, and the fabric after processing is more bright and clean Degree and reflecting feel.
3, this technique replaces traditional steam box lixiviating technique using freezing lixiviating technique, and technological quality reaches or even surmount biography Steam box lixiviating technique of uniting requirement, avoids and reduces because traditional steam box lixiviating temperature is excessively high, quantity of steam is excessive or steam pressure It is unstable and lead to wrinkle strip phenomenon, textile processes quality is improved, is improved work efficiency, while technological temperature requires low, subtracts Lack steam use, saves the energy.
4, due in technical process alkali there is loss to need constantly additional lye, the impurity on fabric also molten can fall in lye In, it is high to make lye viscosity, and lye quality also will affect mercerising quality, therefore secondary filtration case is set on process pipe, regular mistake Clean lye is filtered and supplements, to guarantee that caustic soda cleans, it is ensured that mercerization effect.
Therefore, not only technological quality is good for the obtained fabric of the Slack-Batch Mercerizing end of low alkaline concentration, the decline of wrinkle strip rate, mercerising effect Fruit is promoted, while reducing the dosage of caustic soda, there is its positive meaning in terms of energy-saving and emission-reduction.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below Specific embodiment is closed, the present invention is further explained.
Embodiment 1
A kind of Slack-Batch Mercerizing end of low alkaline concentration, processes cotton fabric, successively the following steps are included:
Into dry cloth, fabric enters first of groove and is padded together fabric open width first, includes caustic soda in leach mill solution 170g/L, padding mode together is second dipping and rolling, and the first padding machine pressure is 0.26Mpa, and the second padding machine pressure is 0.18Mpa, is rolled Remaining rate 70% pads for the first time and pads interval time for the second time for 9s.Completion pads rear fabric together and enters J-type case negative pressure heap It sets, J-type case negative pressure stacking time is 5min, and banking up temperature is 25 DEG C, and pressure -0.2MPa, subnormal ambient is provided by vacuum pump.It knits Object is during J-type case negative pressure is banked up, and sufficiently swelling is shunk for warp, broadwise, banks up in the J-type case that Rong Buliang is 800m, Certifiable fiber has the sufficient time equably permeate, spread, being swollen.Fabric enters second groove progress two after the completion of loose heap Road pads, and it is uneven containing alkali to prevent from generating in air after fabric pine heap that lye from first of groove passes back into second groove Phenomenon.Secondary filtration case is set on process pipe, and periodic filtering simultaneously supplements clean lye.Two, which pad process padding machine pressure, is 0.28Mpa, pick-up 80%.After the completion of two pad, fabric enters taut cloth rewinder roll through taut cloth rewinder roll drawing-off, by adjusting alkali immerging The wire velocity control fabric tension of pressure roller, so that weft density is adjusted, pressure roller work line pressure 120N/cm.Expanding lixiviating is advanced Row cloth gripper tentering, make broadwise bear tension force stretching to grey cloth door width, fabric on cloth gripper chain expanding operation 1/3 after, by 3 sets Elute liquid absorption device elution, wherein elution medium is lye, and concentration of lye 46g/L, alkali liquid temperature is 65 DEG C.Expanding lixiviating After carry out freezing lixiviating, fabric is first sufficiently mixed under ultrasonic wave effect in reactive tank with carbon dioxide gas, then will be knitted Object take out, fabric is placed under 2 DEG C of environment and freezes 15min, after freezing with purging flow velocity be 22m/s compressed air purging extremely Fabric surface is clean.Ultrasonic wave action time is 30min, the pure water that ultrasonic wave interaction medium is 72 DEG C of water temperature, ultrasonic frequency 21kHZ, ultrasonic power 1.1w/cm2;The bottom of reactive tank is uniformly placed with air discharge ports, and carbon dioxide gas is through sky The discharge of gas discharge outlet, air discharge ports installation settings density are 1 every square centimeter, and air discharge ports are apart from reaction tank bottom 2.5cm;The discharge amount of carbon dioxide gas is that molten amount of carbon dioxide is controlled in 8ppm in water.Last open washing, drying.Open washing is will Being washed till pH value of solution with 80 DEG C of hot water after fabric flattening is 7.0 ± 0.2, and drying mode uses roller drying, 75 DEG C of drying temperature, is done Dry duration 40min, it is final to obtain manufactured goods.
Embodiment 2
A kind of Slack-Batch Mercerizing end of low alkaline concentration, processes cotton fabric, successively the following steps are included:
Into dry cloth, fabric enters first of groove and is padded together fabric open width first, includes caustic soda in leach mill solution 180g/L, padding mode together is second dipping and rolling, and the first padding machine pressure is 0.33Mpa, and the second padding machine pressure is 0.23Mpa, is rolled Remaining rate 75% pads for the first time and pads interval time for the second time for 9s.Completion pads rear fabric together and enters J-type case negative pressure heap It sets, J-type case negative pressure stacking time is 7min, and banking up temperature is 30 DEG C, and pressure -0.3MPa, subnormal ambient is provided by vacuum pump.It knits Object is during J-type case negative pressure is banked up, and sufficiently swelling is shunk for warp, broadwise, banks up in the J-type case that Rong Buliang is 800m, Certifiable fiber has the sufficient time equably permeate, spread, being swollen.Fabric enters second groove progress two after the completion of loose heap Road pads, and it is uneven containing alkali to prevent from generating in air after fabric pine heap that lye from first of groove passes back into second groove Phenomenon.Secondary filtration case is set on process pipe, and periodic filtering simultaneously supplements clean lye.Two, which pad process padding machine pressure, is 0.36Mpa, pick-up 85%.After the completion of two pad, fabric enters taut cloth rewinder roll through taut cloth rewinder roll drawing-off, by adjusting alkali immerging The wire velocity control fabric tension of pressure roller, so that weft density is adjusted, pressure roller work line pressure 160N/cm.Expanding lixiviating is advanced Row cloth gripper tentering, make broadwise bear tension force stretching to grey cloth door width, fabric on cloth gripper chain expanding operation 1/3 after, by 3 sets Elute liquid absorption device elution, wherein elution medium is lye, and concentration of lye 52g/L, alkali liquid temperature is 72 DEG C.Expanding lixiviating After carry out freezing lixiviating, fabric is first sufficiently mixed under ultrasonic wave effect in reactive tank with carbon dioxide gas, then will be knitted Object take out, fabric is placed under 4 DEG C of environment and freezes 20min, after freezing with purging flow velocity be 22m/s compressed air purging extremely Fabric surface is clean.Ultrasonic wave action time is 45min, the pure water that ultrasonic wave interaction medium is 75 DEG C of water temperature, ultrasonic frequency 23kHZ, ultrasonic power 1.3w/cm2;The bottom of reactive tank is uniformly placed with air discharge ports, and carbon dioxide gas is through sky The discharge of gas discharge outlet, air discharge ports installation settings density are 1 every square centimeter, and air discharge ports are apart from reaction tank bottom 2.5cm;The discharge amount of carbon dioxide gas is that molten amount of carbon dioxide is controlled in 16ppm in water.Last open washing, drying.Open washing is After fabric is flattened with 80 DEG C of hot water be washed till pH value of solution be 7.0 ± 0.2, drying mode use roller drying, 85 DEG C of drying temperature, Dry duration 40min, it is final to obtain manufactured goods.
Embodiment 3
A kind of Slack-Batch Mercerizing end of low alkaline concentration, processes dacron, successively the following steps are included:
Into dry cloth, fabric enters first of groove and is padded together fabric open width first, includes caustic soda in leach mill solution 175g/L, padding mode together is second dipping and rolling, and the first padding machine pressure is 0.30Mpa, and the second padding machine pressure is 0.20Mpa, is rolled Remaining rate 72% pads for the first time and pads interval time for the second time for 9s.Completion pads rear fabric together and enters J-type case negative pressure heap It sets, J-type case negative pressure stacking time is 6min, and banking up temperature is 26 DEG C, and pressure -0.25MPa, subnormal ambient is provided by vacuum pump. Fabric is during J-type case negative pressure is banked up, and sufficiently swelling is shunk for warp, broadwise, the heap in the J-type case that Rong Buliang is 800m It sets, it is ensured that fiber has the sufficient time equably permeate, spread, being swollen.After the completion of loose heap fabric enter second groove into Row two pads, and lye from first of groove passes back into second groove to generate in air containing alkali not after preventing fabric pine heap Equal phenomenon.Secondary filtration case is set on process pipe, and periodic filtering simultaneously supplements clean lye.Two pad process padding machine pressure Power is 0.30Mpa, pick-up 82%.After the completion of two pad, fabric enters taut cloth rewinder roll through taut cloth rewinder roll drawing-off, is padded by adjusting The wire velocity control fabric tension of lye pressure roller, so that weft density is adjusted, pressure roller work line pressure 130N/cm.Expanding lixiviating is First carry out cloth gripper tentering, make broadwise bear tension force stretching to grey cloth door width, fabric on cloth gripper chain expanding operation 1/3 after, by It is eluted to 3 sets of elution liquid absorption devices, wherein elution medium is lye, and concentration of lye 48g/L, alkali liquid temperature is 67 DEG C.Expanding Freezing lixiviating is carried out after lixiviating, fabric is first sufficiently mixed under ultrasonic wave effect in reactive tank with carbon dioxide gas, then Fabric is taken out, fabric is placed under 3 DEG C of environment and freezes 16min, is blown after freezing with the compressed air that purging flow velocity is 22m/s It is swept to fabric surface cleaning.Ultrasonic wave action time is 35min, the pure water that ultrasonic wave interaction medium is 73 DEG C of water temperature, ultrasonic wave Frequency 22kHZ, ultrasonic power 1.2w/cm2;The bottom of reactive tank is uniformly placed with air discharge ports, carbon dioxide gas It is discharged through air discharge ports, air discharge ports installation settings density is 1 every square centimeter, and air discharge ports are apart from reactive tank bottom Portion 2.5cm;The discharge amount of carbon dioxide gas is that molten amount of carbon dioxide is controlled in 10ppm in water.Last open washing, drying.Open washing It is 7.0 ± 0.2 to be washed till pH value of solution with 80 DEG C of hot water after flattening fabric, drying mode uses roller drying, drying temperature 80 DEG C, dry duration 40min is final to obtain manufactured goods.
Comparative example 1
Using conventional compact type mercerization technique: open width into dry cloth, fabric successively padded slot, taut cloth roller, cloth gripper expanding chain, Lixiviating steam box, rinsing bowl processing are made;Wherein, width padder being rolled out using vertical three, two leachings two are rolled, front and back totally two, and first Padding machine pressure is 0.26Mpa, and the second padding machine pressure is 0.18Mpa, and fabric is rolled through padding drill traverse, and padding concentration of caustic soda in slot is 250g/L, padding slot has the interlayer that can lead to lye in cold water cooling bath, pads pick-up control 65%, pads slot in Liang Tai Between rack above be equipped with 12 iron hollow taut cloth rewinder rolls arranged alternatively up and down, stretch tight cloth roller diameter 500mm, stretch tight cloth roller on Caustic soda reacts 30s with fabric fibre, and then fabric prevents web contraction, cloth gripper expanding again through cloth gripper expanding chain tentering about 10s again Device is made of two cricoid cloth gripper chains of long 16m, fabric on cloth gripper expanding operation 1/3 after, by 4 elution imbibitions The elution lixiviating of device, concentration of lye 46g/L, at 60 DEG C, fabric passes through again above sweeps away suction (five punchings five for alkali liquid temperature control Inhale) and the abundant lixiviating of steam box lixiviating, steaming temperature is 95 DEG C, when steaming a length of 30min, last open washing is dried to obtain net fabric; It is 7.0 ± 0.2 that 80 DEG C of open washings of hot water temperature, which are washed till pH value of solution, 75 DEG C of roller drying operation temperature, dries duration 40min.
Comparative example 2
Into dry cloth, fabric enters first of groove and is padded together fabric open width first, includes caustic soda in leach mill solution 170g/L, padding mode together is second dipping and rolling, and the first padding machine pressure is 0.26Mpa, and the second padding machine pressure is 0.18Mpa, is rolled Remaining rate 70% pads for the first time and pads interval time for the second time for 9s.Completion, which pads rear fabric together and enters J-type case, banks up, J Molding box stacking time is 5min, and banking up temperature is 25 DEG C, and pressure is 1 standard atmospheric pressure.Fabric banks up period in J-type case, through, Broadwise is swollen and shrinks, and banks up in the J-type case that Rong Buliang is 800m, it is ensured that fiber has the sufficient time equably to seep Thoroughly, it spreads, be swollen.Fabric enters second groove progress two and pads after the completion of loose heap, and lye is passed back into from first of groove Second groove is to prevent the phenomenon for generating the unevenness containing alkali after fabric pine heap in air.Secondary filtration is set on process pipe Case, periodic filtering simultaneously supplement clean lye.Two pad process padding machine pressure be 0.28Mpa, pick-up 80%.Two pad After the completion, fabric enters the taut taut cloth rewinder roll drawing-off of cloth rewinder roll warp, by adjusting the wire velocity control fabric tension of alkali immerging pressure roller, from And weft density is adjusted, pressure roller work line pressure 120N/cm.Expanding lixiviating is first to carry out cloth gripper tentering, so that broadwise is born tension and draws Grey cloth door width is extended to, fabric after expanding operation 1/3, is eluted on cloth gripper chain by 3 sets of elution liquid absorption devices, wherein elution Medium is lye, and concentration of lye 46g/L, alkali liquid temperature is 65 DEG C.Freezing lixiviating is carried out after expanding lixiviating, fabric is first reacting It is sufficiently mixed under ultrasonic wave effect in slot with carbon dioxide gas, then fabric is taken out, fabric is placed in cold under 2 DEG C of environment Freeze 15min, the compressed air purging for being 22m/s with purging flow velocity after freezing is clean to fabric surface.Ultrasonic wave action time For 30min, the pure water that ultrasonic wave interaction medium is 72 DEG C of water temperature, ultrasonic frequency 21kHZ, ultrasonic power 1.1w/cm2; The bottom of reactive tank is uniformly placed with air discharge ports, and carbon dioxide gas is discharged through air discharge ports, air discharge ports installation Density of setting is 1 every square centimeter, and air discharge ports are apart from reaction tank bottom 2.5cm;The discharge amount of carbon dioxide gas is Molten amount of carbon dioxide control is in 8ppm in water.Last open washing, drying.Open washing is to be washed till solution with 80 DEG C of hot water after flattening fabric PH is 7.0 ± 0.2, and drying mode uses roller drying, 75 DEG C of drying temperature, dry duration 40min, final to obtain manufactured goods.
Comparative example 3
Into dry cloth, fabric enters first of groove and is padded together fabric open width first, includes caustic soda in leach mill solution 170g/L, padding mode together is second dipping and rolling, and the first padding machine pressure is 0.26Mpa, and the second padding machine pressure is 0.18Mpa, is rolled Remaining rate 70% pads for the first time and pads interval time for the second time for 9s.Completion pads rear fabric together and enters J-type case negative pressure heap It sets, J-type case negative pressure stacking time is 5min, and banking up temperature is 25 DEG C, and pressure -0.2MPa, subnormal ambient is provided by vacuum pump.It knits Object is during J-type case negative pressure is banked up, and sufficiently swelling is shunk for warp, broadwise, banks up in the J-type case that Rong Buliang is 800m, Certifiable fiber has the sufficient time equably permeate, spread, being swollen.Fabric enters second groove progress two after the completion of loose heap Road pads, and it is uneven containing alkali to prevent from generating in air after fabric pine heap that lye from first of groove passes back into second groove Phenomenon.Secondary filtration case is set on process pipe, and periodic filtering simultaneously supplements clean lye.Two, which pad process padding machine pressure, is 0.28Mpa, pick-up 80%.After the completion of two pad, fabric enters taut cloth rewinder roll through taut cloth rewinder roll drawing-off, by adjusting alkali immerging The wire velocity control fabric tension of pressure roller, so that weft density is adjusted, pressure roller work line pressure 120N/cm.Expanding lixiviating is advanced Row cloth gripper tentering, make broadwise bear tension force stretching to grey cloth door width, fabric on cloth gripper chain expanding operation 1/3 after, by 3 sets Elute liquid absorption device elution, wherein elution medium is lye, and concentration of lye 46g/L, alkali liquid temperature is 65 DEG C.Expanding lixiviating Carry out steam box lixiviating afterwards, steaming temperature is 90 DEG C, when steaming a length of 22min.Last open washing, drying.Open washing is to flatten fabric Being washed till pH value of solution with 80 DEG C of hot water afterwards is 7.0 ± 0.2, and drying mode uses roller drying, 75 DEG C of drying temperature, dries duration 40min, it is final to obtain manufactured goods.
Test method
1, dyeing test is carried out to Examples 1 to 3 and the resulting product of comparative example 1~2 using ECO series overflow dyeing machine, than Relatively with respect to color yield:
Test result is as follows shown in table 1:
The slack mercerizing of 1 low alkaline concentration of table and conventional compact type mercerization product color yield are relatively
Expressed by data comparison in table, the Slack-Batch Mercerizing end of low alkaline concentration is compared with system obtained by conventional compact type mercerization technique Product, even if concentration of lye is reduced to about the 70% of original content, color yield also can be improved 10% or more, more saving dyestuff.Together When, compared by Examples 1 to 3 and comparative example 2 and is obtained it is found that banking up technique using negative pressure and banking up textile article obtained by technique compared with normal pressure Color rate is more preferable.
2, according to the technique Continuous maching 260h of embodiment 1 and comparative example 3, the generation time of statistical comparison fabric wrinkle strip phenomenon Number compares the two wrinkle strip phenomenon incidence, learns, compares pair using steam box lixiviating using 1 technique of embodiment of freezing lixiviating Fabric wrinkle strip rate obtained by 3 technique of ratio has dropped 3.7%.
3, the mercerizing barium value of resulting product is detected and is compared:
Mercerizing barium value is to be indicated using sample before and after measurement mercerising the variation of barium hydroxide adsorption capacity, mercerising barium Value is bigger, and the absorption property of fiber is better after expression mercerising, i.e. the effect of mercerising is good.Detection method is as follows:
3.1 key instrument
Iodine flask, conical flask, drier, graduated cylinder, baking oven, electronic balance, acid buret
3.2 samples and test solution prepare
(1) non-mercerising cloth, mercerising cloth;
(2) 0.1mol/L hydrochloric acid solution;
(3) 0.25mol/L barium hydroxide solution;
3.3 test procedure
Take mercerising cloth and each one piece of non-mercerising cloth, be placed in baking oven, in 105~110 DEG C of baking 60min, after taking-up It is cooled to room temperature in drier.Each 2g of sample is accurately weighed, be cut into small pieces (5mm × 5mm), is respectively placed in 150mL cone with cover In shape bottle, 0.25mol/L barium hydroxide solution 30mL is added, cover dipping 2h and is vibrated frequently.Separately take a 150mL band 30mL barium hydroxide solution is added in lid conical flask, places 2h, does blank test use.After 2h, 10mL is drawn from each bottle respectively Maceration extract adds phenolphthalein indicator 2~3 to drip in conical flask, is titrated with 0.1mol/L hydrochloric acid solution, drops to red disappear and is Terminal.
The volume V of record consumption hydrochloric acid, barium value=(V0-V1)/(V0-V2)*100
In formula:
V0-- the volume (mL) of blank test consumption hydrochloric acid solution
V1-- the volume (mL) of mercerising cloth maceration extract consumption hydrochloric acid solution
V2-- non-mercerising cloth maceration extract consumes the volume (mL) of hydrochloric acid solution
3.4 explanation
Each sample barium value should be done in parallel three times.
The low alkaline concentration used through the embodiment of the present invention 1~3 Slack-Batch Mercerizing end processing resulting product be averaged barium value for 149.7, it is high by 6.9% compared to the conventional compact type mercerization technique resulting product barium value that comparative example 1 uses, and finish is good, comfortable It spends, while the salkali waste for entering sewage reduces 50% or more, alleviates the burden of processing sewage;It is used compared to comparative example 3 Negative pressure heap postpones high by 3.2% using the technique resulting product barium value of steam box lixiviating, and mercerization effect is more preferable.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (9)

1. a kind of Slack-Batch Mercerizing end of low alkaline concentration, it is characterised in that: successively the following steps are included:
(1) open width is fed;
(2) it pads together;
(3) J-type case negative pressure is banked up;
(4) two pad;
(5) taut cloth rewinder roll drawing-off;
(6) expanding lixiviating;
(7) lixiviating is freezed;
(8) open washing, drying.
2. a kind of Slack-Batch Mercerizing end of low alkaline concentration according to claim 1, it is characterised in that: it is described pad together for Fabric enters first of groove alkali immerging, includes 170~180g/L of caustic soda in leach mill solution.
3. a kind of Slack-Batch Mercerizing end of low alkaline concentration according to claim 2, it is characterised in that: the side of padding together Formula is second dipping and rolling, and the first padding machine pressure is 0.26~0.33Mpa, and the second padding machine pressure is 0.18~0.23Mpa, pick-up 70 ~75%, it pads for the first time and pads interval time for the second time for 9s.
4. a kind of Slack-Batch Mercerizing end of low alkaline concentration according to claim 1, it is characterised in that: the J-type case negative pressure Stacking time is 5~7min, and banking up temperature is 25~30 DEG C, and pressure -0.2~-0.3MPa, the negative pressure is provided by vacuum pump.
5. a kind of Slack-Batch Mercerizing end of low alkaline concentration according to claim 1, it is characterised in that: described two padded Journey padding machine pressure is 0.28~0.36Mpa, pick-up 80~85%.
6. a kind of Slack-Batch Mercerizing end of low alkaline concentration according to claim 1, it is characterised in that: the expanding lixiviating mistake Journey is that fabric after expanding operation 1/3, is eluted on cloth gripper chain by elution liquid absorption device, wherein the elution medium is lye, The concentration of lye is 46~52g/L, and the alkali liquid temperature is 65~72 DEG C.
7. a kind of Slack-Batch Mercerizing end of low alkaline concentration according to claim 1, it is characterised in that: the freezing lixiviating is Fabric is first sufficiently mixed under ultrasonic wave effect in reactive tank with carbon dioxide gas;Then fabric is taken out, is freezed, freezing Later with compressed air purging to fabric surface cleaning.
8. a kind of Slack-Batch Mercerizing end of low alkaline concentration according to claim 7, it is characterised in that: the ultrasonic wave effect Time is 30~45min, and ultrasonic wave interaction medium is pure water, and the pure water water temperature control is 72~75 DEG C, the ultrasound wave frequency 21~23kHZ of rate, the ultrasonic power are 1.1~1.3w/cm2;The bottom of the reactive tank is uniformly placed with air discharge Mouthful, the carbon dioxide gas is discharged through the air discharge ports, and the air discharge ports installation settings density is every square li 1, rice, the air discharge ports are apart from the reaction tank bottom 2.5cm;The discharge amount of the carbon dioxide gas is molten in water Amount of carbon dioxide is controlled in 8~16ppm;The freezing conditions are that fabric is placed in 15~20min of freezing under 2~4 DEG C of environment;Institute The purging flow velocity for stating compressed air is 22m/s.
9. a kind of Slack-Batch Mercerizing end of low alkaline concentration according to claim 1, it is characterised in that: it is described charging be cotton or Dacron.
CN201910073147.6A 2019-01-25 2019-01-25 A kind of Slack-Batch Mercerizing end of low alkaline concentration Pending CN109594257A (en)

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CN110965236A (en) * 2019-11-30 2020-04-07 南通大学 Device for preventing grey cloth surface pH risees in refining processing
CN114164642A (en) * 2021-12-13 2022-03-11 互太(番禺)纺织印染有限公司 Cotton-silk-containing smooth fabric and production method thereof

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CN108729071A (en) * 2018-07-05 2018-11-02 浙江美欣达纺织印染科技有限公司 A kind of intermittent slack mercerizing technique
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JPH0345777A (en) * 1989-07-12 1991-02-27 Sando Iron Works Co Ltd Removing of remained alkali adhered to cloth
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JPH08158252A (en) * 1994-12-08 1996-06-18 Toyo Senshoku Kogyo Kk Processing of cellulosic fiber product
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110965236A (en) * 2019-11-30 2020-04-07 南通大学 Device for preventing grey cloth surface pH risees in refining processing
CN114164642A (en) * 2021-12-13 2022-03-11 互太(番禺)纺织印染有限公司 Cotton-silk-containing smooth fabric and production method thereof
CN114164642B (en) * 2021-12-13 2023-11-03 互太(番禺)纺织印染有限公司 Light fabric containing cotton filaments and production method thereof

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