CN103088645B - Heavy pure cotton fabric cold padding and stacking pretreatment method - Google Patents
Heavy pure cotton fabric cold padding and stacking pretreatment method Download PDFInfo
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Abstract
The invention discloses a heavy pure cotton fabric enzyme padding and stacking pretreatment process after normal pressure plasma treatment, and belongs to the technical field of dyeing and finishing pretreatment. The technological process comprises the following steps of: carrying out the normal pressure plasma treatment on the singed heavy pure cotton grey fabric; carrying out refining enzyme liquid padding on the fabric; then stacking at room temperature; then carrying out oxygen bleaching and low alkali mercerization; and finally sufficiently rinsing to complete the pretreatment process of the heavy pure cotton fabric. According to the method, the process has the characteristics of being good in treatment effect, little in fabrics strength damage, high in quality, soft in hand feeling, high in capillary effect and good in glossiness; the method provides a condition of high color yield for the subsequent dyeing and printing processing; the process operation is simple and high in controllability; the treated waste water, the pH value and the energy consumption of the process are far lower than the treated waste water, the pH value and the energy consumption of the traditional strong base scouring process; and the process is a clean production process meeting the environmental protection requirement, so that the sewage treatment burdens of enterprises are greatly reduced, the process is very high in social benefit and market prospect, and the process conditions are optimized.
Description
Technical field
The present invention relates to a kind of heavy cotton fabric cold-pad-batch preparation method, particularly relate to a kind of heavy cotton fabric enzyme padding and stacking pre-treating method after atmospheric pressure plasma jet treatment, belong to dyeing and finishing technique field.
Background technology
Textile thick and heavy DYED FABRICS, being mostly used as high-grade decorative fabric, garment material and travelling products fabric etc., is one of Fashion with the market competitiveness, deeply by consumers.And heavy cotton fabric is due to its institutional framework reason, impure amount is high, destarch, the pre-treatment process difficulty such as concise are large, its semi-products whiteness and capillary effect often do not reach dyeing requirement, have impact on the presentation quality of dyeing product, therefore, the pre-treatment processing of heavy cotton fabric seems particularly important.
The pre-treating method that COTTON FABRIC is traditional is, adopt alkali to the swelling removal of the slurry on fabric and destarch, and then utilize concentrated base at high temperature to the decomposition such as pectin, wax, nitrogen substance, cotton seed hulls, lignin contained above COTTON FABRIC and concise, then utilizing hydrogen peroxide or clorox the coloring matter in COTTON FABRIC decoloured thus improve its whiteness and namely bleach.Thus the pretreatment process that COTTON FABRIC is traditional is generally divided into alkali destarch, alkali is concise and bleach three steps.Wherein alkali destarch, the concise meeting of high-temperature concentrated alkali produce harmful effect to the brute force of fabric, consume a large amount of energy, and consume a large amount of water resources during cleaning, but also discharge a large amount of strong basicity waste liquids, cause bad impact to environment.Therefore, how finding a kind of pre-treatment process having treatment effect and good environmental protection concurrently, replace existing conventional high-temperature, production of high concentration caustic soda boiling, is the difficult problem generally faced in current industry.
Biology enzyme be a kind of nontoxic, environmentally friendly, treatment conditions are gentle, consumption is less and repeatedly used efficiently single-minded biocatalyst, employing cellulase treatment heavy cotton fabric fully can remove the impurity in heavy cotton fabric, make fiber have excellent resilience, therefore cellulase treatment heavy cotton fabric is the new technology of a kind of safe and effective, sanitation and hygiene, minimizing environmental pollution.CN1223727-C discloses the continuous destarch of a kind of cotton canvas machine biological fabric enzyme, concise One-step pretreatment technique, utilizes high temperature steaming, then washes, oxygen bleaching, reach treatment effect, but this kind of ferment treatment weak effect, Impurity removal is incomplete; CN1288297-C discloses a kind of cotton fabrics compound biological enzyme and rolls heap pre-treatment process, then conventional bleaching technique, and the COTTON FABRIC treatment effect of processing method only to thin is good, and processing step is many; CN101736598-A discloses a kind of to medium-thick type pure cotton woven fabric continuous biochemical pretreatment technology, utilize destarch enzyme, scouring enzyme etc. to fabric preliminary treatment (high temperature or cold dome), and then pad compound pretreatment liquid (compound pretreating reagent, hydrogen peroxide etc.), carry out decatize, also will add scouring agent process to fabric after this technique destarch is concise, reagent dosage is large, step is many, and energy consumption is large; CN100485112-C discloses the finishing technique of the thick and heavy twill fabric of a kind of pure cotton elastic non-polyurethane, utilize biology enzyme destarch, kiering bleaching process again, fabrics feel soft after process, good permeability, the advantage such as smooth, although only utilize, biology enzyme destarch is concise can reach good treatment effect, and the method step is many; CN101858020-A discloses the grey cloth cold batch mercerizing process of a kind of cotton and blended fabric thereof, and utilize and roll alkali cold dome, realize destarch mercerising and settle at one go, the method wants concentrated base cold dome, large to fabric damage, and will say flushing in a large number; CN101603258-B reports the pre-treatment of heavy cotton fabric, utilizes biology enzyme to bleach in conjunction with alkaline scouring again, obtains good treatment effect, but wherein also wants the concise step of alkali lye, causes liquid waste processing emission problem; CN 102154810-A discloses one and utilizes glucoamylase, glucose oxidase, pectase and CBD-lignin peroxidase cotton pretreatment method respectively, eliminate the technique without hydrogen peroxide bleaching, plain cloth and TWILL CLOTH, flimsy material and heavy weave and corduroy fabric are all process in the aqueous solution, power consumption water consumption, also be high-temperature process, temperature is high, and the time, long step was various, is unfavorable for saving cost; CN102220684-A discloses a kind of cotton canvas Low temperature pretreatment, first cellulase treatment, then hot water wash and enzyme-deactivating, washing, again completes the pretreatment procedure of cotton fabrics through scouring and bleaching process, low temperature decatize bleaching, washing step of low temperature; CN102146633-A discloses a kind of using cutinase and CBD-alkaline pectase carries out the concise method of COTTON FABRIC, replace traditional chemical method to carry out refining processing plain cloth and TWILL CLOTH, flimsy material and heavy weave and corduroy fabric to COTTON FABRIC, illustrate and utilize biology enzyme to carry out concisely can obtaining good treatment effect.Although biological enzyme technology is effective, the cotton-textile fibres element molecular weight after process reduces comparatively large, thus makes heavy cotton fabric strength loss comparatively large, have impact on applying of this technology.
Utilize plasma technique to carry out processing and can cause the physical and chemical changes of material surface, embody effective, only act on superficial layer, the advantages such as harmful effect do not had to material body performance, be thus more and more subject to the favor of people.Plasma is utilized to process the thick and heavy grey cloth of cotton textiles, surface etch Sum decomposition can be carried out to the slurry on the thick and heavy grey cloth of cotton textiles, cut off the strand of slurry, reduce slurry to the adhesiveness of heavy cotton fabric, and activate heavy cotton fabric surface, be oxidized the lignin on textile thick and heavy grey cloth surface, pectin, grease and wax, plasma can also act on core fiber layer structure, thus be oxidized and remove the impurity of its inside, this be other technologies incomparable.But, only utilize plasma technique to process pure cotton grey fabric, also there is the incomplete problem of action effect, other means conbined usage also must be assisted could to realize excellent effect.JP58060060-A discloses one and utilizes high vacuum Cement Composite Treated by Plasma COTTON FABRIC, then carries out the method for refining treatment, thus removes the impurity such as pectin contained by it while its excellent mechanical property of maintenance; JP5078974-A discloses one and utilizes high vacuum plasma in conjunction with biology enzyme to COTTON FABRIC destarch process, hydrogen peroxide bleaching, the pre-treatment effect that providing cotton fabric is good.Although low pressure plasma technique is effective, is all high-vacuum discharge plasma technique, vacuumizes, be unfavorable for serialization industrial production.
Atmospheric dielectric barrier discharge plasma technique is a kind of new plasma technique occurred in recent years, do not need when there is electric discharge to vacuumize, the advantage such as discharging efficiency is high, active particle density is high, high to material handling efficiency, easy popularization, be thus subject to extensive concern.CN101871162-A discloses a kind of method that cotton grey cloth carries out destarch, first carry out destarch with the process of atmospheric dielectric barrier discharge plasma, chemical kiering is concise again, then bleach, can be implemented in line production although the method is atmospheric pressure plasma jet treatment, only utilize plasma to process, destarch can be made incomplete, and this technique chemistry is concise, can produce a large amount of waste water has harmful effect to environment.CN102321971A discloses enzyme padding and stacking pretreatment technique after a kind of sodolin atmospheric pressure plasma jet treatment, but the sodolin grammes per square metre of process can not be too large, otherwise treatment effect is undesirable, and Impurity removal is unclean.
Summary of the invention
The invention provides a kind of be beneficial to suitability for industrialized production, the efficient textile thick and heavy pre-treatment process of atmospheric plasma-biology enzyme, while giving the excellent destarch of heavy cotton fabric, concise, bleaching effect, also keep good mechanical property, and data illustrate the textile thick and heavy pre-treatment process of atmospheric plasma-biology enzyme in conjunction with the embodiments.
The technical solution used in the present invention is:
A kind of heavy cotton fabric cold-pad-batch preparation method, said method comprising the steps of:
(1) heavy cotton fabric after process of singing is placed between two sparking electrodes of dielectric barrier discharge plasma, carries out the process of atmospheric dielectric barrier discharge plasma;
Described atmospheric dielectric barrier discharge plasma treatment conditions are: the distance between two sparking electrodes is 2 centimetres; The mist of inert gas and oxygen is passed into, mixed gas flow 0.5 ~ 10 liter/min during electric discharge; Discharge frequency is 10 KHzs, and discharge power is 50 ~ 150 watts, and the processing time is 20 ~ 180 seconds;
Described inert gas is preferably helium or argon gas, and the volume ratio of described inert gas and oxygen is 97 ~ 99.5: 0.5 ~ 3, preferred 99:1.
(2) the fabric ferment treatment immersion after step (1) process is rolled, then stacking at room temperature;
The constituent of described ferment treatment liquid is:
Described nonionic penetrant is preferably JFC.
The NaOH solution adjust ph of mass percentage concentration 5% ~ 20% is utilized during described ferment treatment liquid preparation; When padding, the temperature of ferment treatment liquid is preferably 55 DEG C-60 DEG C, and pick-up is 80-120%, and the stacking at room temperature time is 5-20h.
(3) the fabric hydrogen peroxide bleaching liquid after step (2) process is bleached through oxygen bleaching process;
Described hydrogen peroxide bleaching liquid is composed as follows:
The mass percentage concentration of described hydrogen peroxide is 30 ~ 35wt%;
Described hydrogen peroxide bleaching stabilizer is preferably sodium metasilicate, and described bleeding agent is preferably JFC.
The NaOH solution adjust ph of mass percentage concentration 5% ~ 20% can be utilized during described hydrogen peroxide bleaching liquid preparation.
Described oxygen bleaching process is conventional soln bleaching or the bleaching of mangle decatize, and during conventional soln bleaching, temperature is 95-100 DEG C, and bleaching time is 20-60min; In mangle decatize bleaching process, pick-up rate 80-150%, steam temperature 95-105 DEG C, steaming time 20-90min.
(4) by through step (3) process after fabric aqueous slkali through low alkali mercerized, finally fully wash oven dry.
The aqueous slkali of described low alkali mercerized middle employing is preferably the NaOH solution of 130g/L-150g/L.
Heavy cotton fabric of the present invention is generally textile thick and heavy plain cloth, textile thick and heavy TWILL CLOTH, textile thick and heavy corduroy fabric or textile thick and heavy canvas grey cloth.
The inventive method is for the treatment of heavy cotton fabric, and the grammes per square metre of heavy cotton fabric is higher, can at 200 ~ 700g/ m
2, especially for grammes per square metre at 300g/ m
2above heavily fabric, prior art cannot process completely, and the inventive method can process the larger heavily fabric of grammes per square metre number preferably, and while giving the excellent bleachability of heavy cotton fabric, mechanical property keeps excellent.
In step of the present invention (3), in described hydrogen peroxide bleaching liquid composition, hydrogen peroxide is commercially available industrial grade hydrogen peroxide, wherein pure H
2o
2concentration usually between 30 ~ 35wt%.
In step of the present invention (1), the process of described atmospheric dielectric barrier discharge plasma is preferably carried out by the following method: the heavy cotton fabric after process of singing be placed between two sparking electrodes of dielectric barrier discharge, then be wound in an automatic coiling machine; When fabric is between two sparking electrodes, its surface is processed, and regulates the rotating speed of automatic coiling machine, makes the processing time of fabric between two sparking electrodes be 20 ~ 180 seconds.This is the continous treatment process that can be used in industrial production.But the inventive method does not use automatic coiling machine, being directly positioned between point electrode by pending fabric and carrying out step Cement Composite Treated by Plasma, is also feasible, and the present invention is not limited to the situation using winder.
The invention provides a kind of novel heavy cotton fabric pre-treating method, i.e. atmospheric plasma-biology enzyme pretreatment of heavy cotton fabric technique, reduce consumption and the action time of biology enzyme, the problem that effective solution single creature ferment treatment method is damaged fabric mechanics, also make up single plasma technique process or the incomplete deficiency of biology enzyme action effect simultaneously, the operation of plasma on-line continuousization can also be realized, while giving the excellent bleaching effect of heavy cotton fabric, also good mechanical property is kept, improve the feel of heavy cotton fabric, flexibility etc.
The invention provides one and utilize atmospheric dielectric barrier discharge plasma technique-biology enzyme heavy cotton fabric cold-pad-batch preparation technology, thus give the excellent destarch of heavy cotton fabric, concise and bleachability.The method energy consumption is little, economical, simple, have universality, adopts that the heavy cotton fabric fineness after the method process is good, soft, the maintenance of good hand touch, mechanical property is excellent.The result of the embodiment of the present invention shows, the heavy cotton fabric through the process of atmospheric dielectric barrier discharge plasma is carried out rolling enzyme Cold pad-batch pretreatment, can give mechanical property while drift performance is boiled in excellent the moving back of heavy cotton fabric and keep excellent.
The treatment effect of present invention process is good, there is fabric strength damage little, quality is high, soft, capillary effect is high, the feature that glossiness is good, it is also follow-up dye, print processing creates the high condition of Dry Sack rate, its technological operation is simple, controllability is strong, and biological enzyme technology and all environmental protections of atmospheric plasma body technique in this technique, process waste water, pH value and energy consumption etc. are far below traditional highly basic boiling, thoroughly solve the harm that chlorine bleaching process brings workman and environment, there is saving water power, reduce sewage disposal expense, reduce the multiple advantages such as production cost.
Accompanying drawing explanation
Fig. 1 is that the present invention is applied to and industrially carries out the processed continuously process schematic of atmospheric plasma to heavy cotton fabric.
In Fig. 1,1 is pending material; 2 is plasma generator; 3 is wireway, and the mist of inert gas and oxygen imports from this wireway; 4 is sparking electrode; 5 is dielectric-slab; 6 is winder.
Detailed description of the invention
With specific embodiment, the present invention will be further described below, but protection scope of the present invention is not limited thereto.
Embodiment 1: atmospheric pressure plasma jet treatment heavy cotton fabric enzyme padding and stacking pretreatment technique
By reference to the accompanying drawings 1, atmospheric pressure plasma jet treatment process is as follows:
By thick and heavy for pending cotton textiles grey cloth 1 between two sparking electrodes 4 of plasma device, then be wound in an automatic coiling machine 6.Heavy cotton fabric after process can be carried out online rolling by this automatic coiling machine 6, by the Trace speed regulating the rotating speed of Scroll to regulate heavy cotton fabric.
Regulate the distance between two sparking electrodes 4 to be 2 centimetres, first pass into mist from wireway 3, mist to be volume ratio be 99/1 argon gas and oxygen, regulation and control intake velocity is 4 liters/min; Then open power supply, the switch of the plasma generator 2 that closes, regulate plasma discharge power to be 120 watts, discharge frequency is 10 KHzs, produces uniform plasma.The thick and heavy calicut of the cotton textiles (C12 × 12 52 × 50 1/1 63 " 197g/m singed after processing
2) between plasma discharge electrode 4 time, its surface is processed.Regulate the rotating speed of Scroll, make textile thick and heavy grey cloth Trace speed (transmission) be 20 ms/min, then through winder 6 rolling.Ensure that plasma treatment time was at 30 seconds, made heavy cotton fabric be processed fully.
Heavy cotton fabric after Cement Composite Treated by Plasma is carried out use ferment treatment immersion to roll, ferment treatment liquid consists of: Novi letter Suhong Desizyme 2000L 2g/L, Novi letter Scourzyme NP 4g/L, Novi letter Cellusoft CR 2g/L, nonionic penetrant JFC 5g/L, utilize the NaOH adjust ph 7.5 of 5wt%, enzyme liquid treatment temperature is 59 DEG C, pick-up is 80%, stacking at room temperature 10 hours.Heavy cotton fabric after enzyme padding and stacking process is carried out H
2o
2conventional soln is bleached, and bleaching liquid consists of: 30wt% hydrogen peroxide 8g/L, hydrogen peroxide bleaching stabilizer sodium metasilicate 5g/L, penetrating agent JFC 5g/L, utilize the NaOH adjust ph 10 of 5wt%, and bleaching liquor temperature is 95 DEG C, and the time is 20min.Heavy cotton fabric concentration 130 g/L NaOH solution after oxygen bleaching is low alkali mercerized, finally fully washes oven dry.Fabric after the process obtained is designated as P+EN(P:Plasma, plasma; En:enzyme, biology enzyme).
Comparative example: by identical raw material without Cement Composite Treated by Plasma, directly pads with ferment treatment liquid, and subsequent treatment is all identical, and the fabric after process is designated as EN.
Embodiment 2: atmospheric pressure plasma jet treatment heavy cotton fabric enzyme padding and stacking pretreatment technique
By cotton textiles thick and heavy twill yarn card grey cloth (C10 × 10 74 × 44 3/1 ↖ 43 "/57 " 283 g/m after process of singing
2) be placed in dielectric barrier discharge two sparking electrodes between, carry out the process of atmospheric dielectric barrier discharge plasma, atmospheric dielectric barrier discharge plasma treatment conditions are: the gap between sparking electrode is 2 centimetres; Argon gas and the oxygen of mist to be volume ratio be 99.5/0.5, intake velocity is 10 liters/min; The discharge power of plasma discharge is 100 watts, and discharge frequency is 10 KHzs, and the Trace speed of heavy cotton fabric is 15 ms/min, and plasma treatment time was at 40 seconds.Heavy cotton fabric after Cement Composite Treated by Plasma is carried out enzyme immersion roll, its enzyme liquid consists of: Novi letter Suhong Desizyme 2000L 0.5g/L, Novi letter Scourzyme NP 8g/L, Novi believe Cellusoft CR 0.5g/L, nonionic penetrant JFC 2g/L, utilize the NaOH adjust ph 8 of 10 wt%, enzyme liquid treatment temperature is 58 DEG C, pick-up is 100%, stacking at room temperature 5 hours.H is carried out by through the heavy cotton fabric of rolling after the opposed process of enzyme
2o
2conventional soln is bleached, and bleaching liquid consists of: 30wt% hydrogen peroxide 6g/L, hydrogen peroxide bleaching stabilizer sodium metasilicate 4g/L, penetrating agent JFC 3g/L, utilize the NaOH adjust ph 10.5 of 10 wt, and bleaching liquor temperature is 100 DEG C, and the time is 40min.Heavy cotton fabric concentration 140 g/L NaOH solution after oxygen bleaching is low alkali mercerized, finally fully washes oven dry.Fabric after the process obtained is designated as P+EN(P:Plasma, plasma; En:enzyme, biology enzyme).
Comparative example: by identical raw material without Cement Composite Treated by Plasma, directly pads with ferment treatment liquid, and subsequent treatment is all identical, and the fabric after process is designated as EN.
Embodiment 3: atmospheric pressure plasma jet treatment heavy cotton fabric enzyme padding and stacking pretreatment technique
By cotton textiles thick and heavy twill line card grey cloth (C40/2 × 4,0/2 141 × 762/2 ↗ 43 "/57 " 260g/m after process of singing
2) be placed in dielectric barrier discharge two sparking electrodes between, carry out the process of atmospheric dielectric barrier discharge plasma, atmospheric dielectric barrier discharge plasma treatment conditions are: the gap between sparking electrode is 2 centimetres; Argon gas and the oxygen of mist to be volume ratio be 99.5/0.5, intake velocity is 10 liters/min; The discharge power of plasma discharge is 100 watts, and discharge frequency is 10 KHzs, and the Trace speed of heavy cotton fabric is 15 ms/min, and plasma treatment time was at 40 seconds.Heavy cotton fabric after Cement Composite Treated by Plasma is carried out enzyme immersion roll, its enzyme liquid consists of: Novi letter Suhong Desizyme 2000L 0.5g/L, Novi letter Scourzyme NP 8g/L, Novi letter Cellusoft CR 1g/L, nonionic penetrant JFC 3g/L, utilize the NaOH adjust ph 8 of 10 wt%, enzyme liquid treatment temperature is 55 DEG C, pick-up is 100%, stacking at room temperature 16 hours.H is carried out by through the heavy cotton fabric of rolling after the opposed process of enzyme
2o
2mangle decatize is bleached, and bleaching liquid consists of: 30wt% hydrogen peroxide 30g/L, hydrogen peroxide bleaching stabilizer sodium metasilicate 7g/L, penetrating agent JFC 4g/L, utilize the NaOH adjust ph 10.5 of 10wt%, and pick-up rate is 80%, and steam temperature is 98 DEG C, and steaming time is 20min.Heavy cotton fabric concentration 140 g/L NaOH solution after oxygen bleaching is low alkali mercerized, finally fully washes oven dry.Fabric after the process obtained is designated as P+EN(P:Plasma, plasma; En:enzyme, biology enzyme).
Comparative example: by identical raw material without Cement Composite Treated by Plasma, directly pads with ferment treatment liquid, and subsequent treatment is all identical, and the fabric after process is designated as EN.
Embodiment 4: atmospheric pressure plasma jet treatment heavy cotton fabric enzyme padding and stacking pretreatment technique
By textile plain weave canvas grey cloth (C10/2 × 1,0/2 46 × 28 1/1 63 " 315 g/m after process of singing
2) be placed in dielectric barrier discharge two sparking electrodes between, carry out the process of atmospheric dielectric barrier discharge plasma, atmospheric dielectric barrier discharge plasma treatment conditions are: the gap between sparking electrode is 2 centimetres; Mist is helium and oxygen, and volume ratio is 97/3, and intake velocity is 6 liters/min; The discharge power of plasma discharge is 50 watts, and discharge frequency is 10 KHzs, and the Trace speed of heavy cotton fabric is 3.3 ms/min, and plasma treatment time was at 180 seconds.Heavy cotton fabric after Cement Composite Treated by Plasma is carried out enzyme immersion roll, its enzyme liquid consists of: Novi letter Suhong Desizyme 2000L 3g/L, Novi letter ScourzymeNP 6g/L, Novi letter Cellusoft CR 3g/L, nonionic penetrant JFC 5g/L, utilize the NaOH adjust ph 8 of 10%, enzyme liquid treatment temperature is 59.5 DEG C, pick-up is 100%, stacking at room temperature 15 hours.H is carried out by through the heavy cotton fabric of rolling after the opposed process of enzyme
2o
2mangle decatize is bleached, and bleaching liquid consists of: 30wt% hydrogen peroxide 20g/L, hydrogen peroxide bleaching stabilizer sodium metasilicate 6g/L, penetrating agent JFC 8g/L, utilize the NaOH adjust ph 11 of 15wt%, and pick-up rate is 100%, and steam temperature is 100 DEG C, and steaming time is 60min.Heavy cotton fabric concentration 150 g/L NaOH solution after oxygen bleaching is low alkali mercerized, finally fully washes oven dry.Fabric after the process obtained is designated as P+EN(P:Plasma, plasma; En:enzyme, biology enzyme).
Comparative example: by identical raw material without Cement Composite Treated by Plasma, directly pads with ferment treatment liquid, and subsequent treatment is all identical, and the fabric after process is designated as EN.
Embodiment 5: atmospheric pressure plasma jet treatment heavy cotton fabric enzyme padding and stacking pretreatment technique
By the thick and heavy corduroy fabric of cotton textiles (10 × 10 28 × 64 57 " the 420g/ m after process of singing
2) be placed in dielectric barrier discharge two sparking electrodes between, carry out the process of atmospheric dielectric barrier discharge plasma, atmospheric dielectric barrier discharge plasma treatment conditions are: the gap between sparking electrode is 2 centimetres; Mist is argon gas and oxygen, and volume ratio is 98/2, and intake velocity is 4 liters/min; Plasma discharge power is 150 watts, and discharge frequency is 10 KHzs, and the Trace speed of heavy cotton fabric is 30 ms/min, and plasma treatment time was at 20 seconds.Heavy cotton fabric after Cement Composite Treated by Plasma is carried out enzyme immersion roll, its enzyme liquid consists of: Novi letter Suhong Desizyme 2000L 4g/L, Novi letter Scourzyme NP8g/L, Novi letter Cellusoft CR 2g/L, nonionic penetrant JFC 10g/L, utilize the NaOH adjust ph 8 of 20wt%, enzyme liquid treatment temperature is 60 DEG C, pick-up is 100%, stacking at room temperature 18 hours.H is carried out by through the heavy cotton fabric of rolling after the opposed process of enzyme
2o
2conventional soln is bleached, and bleaching liquid consists of: 30wt% hydrogen peroxide 10g/L, hydrogen peroxide bleaching stabilizer sodium metasilicate 8g/L, penetrating agent JFC 5g/L, utilize the NaOH adjust ph 10 of 20 wt%, and bleaching liquor temperature is 95 DEG C, and the time is 60min.Heavy cotton fabric concentration 140 g/LNaOH solution after oxygen bleaching is low alkali mercerized, finally fully washes oven dry.Fabric after the process obtained is designated as P+EN(P:Plasma, plasma; En:enzyme, biology enzyme).
Comparative example: by identical raw material without Cement Composite Treated by Plasma, directly pads with ferment treatment liquid, and subsequent treatment is all identical, and the fabric after process is designated as EN.
Embodiment 6: atmospheric pressure plasma jet treatment heavy cotton fabric enzyme padding and stacking pretreatment technique
By cotton textiles thick and heavy plain weave canvas grey cloth (C10/4 × 1,0/4 35 × 22 1/163 " 560g/m after process of singing
2) be placed in dielectric barrier discharge two sparking electrodes between, carry out the process of atmospheric dielectric barrier discharge plasma, atmospheric dielectric barrier discharge plasma treatment conditions are: the gap between sparking electrode is 2 centimetres; Mist is helium and oxygen, and volume ratio is 99/1, and intake velocity is 0.5 liter/min; Plasma discharge power is 100 watts, and discharge frequency is 10 KHzs, and the Trace speed of heavy cotton fabric is 15 ms/min, and plasma treatment time was at 40 seconds.Heavy cotton fabric after Cement Composite Treated by Plasma is carried out enzyme immersion roll, its enzyme liquid consists of: Novi letter Suhong Desizyme 2000L 3g/L, Novi letter Scourzyme NP10g/L, Novi letter Cellusoft CR 5g/L, nonionic penetrant JFC 8g/L, enzyme liquid pH value 7, its treatment temperature is 60 DEG C, pick-up is 120%, stacking at room temperature 15 hours.H is carried out by through the heavy cotton fabric of rolling after the opposed process of enzyme
2o
2mangle decatize is bleached, bleaching liquid consists of: 30wt% hydrogen peroxide 25g/L, hydrogen peroxide bleaching stabilizer sodium metasilicate 6g/L, penetrating agent JFC 6g/L, utilize the NaOH adjust ph 10.5 of 15wt%, pick-up rate is 120%, and steam temperature is 102 DEG C, and steaming time is 60min.Heavy cotton fabric concentration 140 g/L NaOH solution after oxygen bleaching is low alkali mercerized, finally fully washes oven dry.Fabric after the process obtained is designated as P+EN(P:Plasma, plasma; En:enzyme, biology enzyme).
Comparative example: by identical raw material without Cement Composite Treated by Plasma, directly pads with ferment treatment liquid, and subsequent treatment is all identical, and the fabric after process is designated as EN.
Embodiment 7: atmospheric pressure plasma jet treatment heavy cotton fabric enzyme padding and stacking pretreatment technique
By cotton textiles thick and heavy twill yarn card grey cloth (C 5 × 5 77 × 43/1 ↖ 57 " the 558g/ m after process of singing
2) be placed in dielectric barrier discharge two sparking electrodes between, carry out the process of atmospheric dielectric barrier discharge plasma, atmospheric dielectric barrier discharge plasma treatment conditions are: the gap between sparking electrode is 2 centimetres; Mist is helium and oxygen, and volume ratio is 99/1, and intake velocity is 4 liters/min; Plasma discharge power is 150 watts, and discharge frequency is 10 KHzs, and the Trace speed of heavy cotton fabric is 20 ms/min, and plasma treatment time was at 30 seconds.Heavy cotton fabric after Cement Composite Treated by Plasma is carried out enzyme immersion roll, its enzyme liquid consists of: Novi letter Suhong Desizyme 2000L 3g/L, Novi letter Scourzyme NP 10g/L, Novi letter Cellusoft CR 3g/L, nonionic penetrant JFC 4g/L, utilize the NaOH adjust ph 7.5 of 20 wt%, enzyme liquid treatment temperature is 59 DEG C, pick-up is 100%, stacking at room temperature 20 hours.H is carried out by through the heavy cotton fabric of rolling after the opposed process of enzyme
2o
2mangle decatize is bleached, and bleaching liquid consists of: 30wt% hydrogen peroxide 15g/L, hydrogen peroxide bleaching stabilizer sodium metasilicate 6g/L, penetrating agent JFC 10g/L, utilize the NaOH adjust ph 11 of 20 wt%, and pick-up rate is 150%, and steam temperature is 105 DEG C, and steaming time is 90min.Heavy cotton fabric concentration 140 g/L NaOH solution after oxygen bleaching is low alkali mercerized, finally fully washes oven dry.Fabric after the process obtained is designated as P+EN(P:Plasma, plasma; En:enzyme, biology enzyme).
Comparative example: by identical raw material without Cement Composite Treated by Plasma, directly pads with ferment treatment liquid, and subsequent treatment is all identical, and the fabric after process is designated as EN.
Embodiment 8: atmospheric pressure plasma jet treatment heavy cotton fabric enzyme padding and stacking pretreatment technique
By cotton textiles thick and heavy plain weave canvas grey cloth (C10/6 × 1,0/6 26 × 18 1/163 " 668g/m after process of singing
2) be placed in dielectric barrier discharge two sparking electrodes between, carry out the process of atmospheric dielectric barrier discharge plasma, atmospheric dielectric barrier discharge plasma treatment conditions are: the gap between sparking electrode is 2 centimetres; Mist is helium and oxygen, and volume ratio is 99/1, and intake velocity is 0.5 liter/min; Plasma discharge power is 100 watts, and discharge frequency is 10 KHzs, and the Trace speed of heavy cotton fabric is 15 ms/min, and plasma treatment time was at 40 seconds.Heavy cotton fabric after Cement Composite Treated by Plasma is carried out enzyme immersion roll, its enzyme liquid consists of: Novi letter Suhong Desizyme 2000L 4g/L, Novi letter Scourzyme NP9g/L, Novi letter Cellusoft CR 4g/L, nonionic penetrant JFC 5g/L, utilize the NaOH adjust ph 8 of 10wt%, enzyme liquid treatment temperature is 60 DEG C, pick-up is 120%, stacking at room temperature 18 hours.H is carried out by through the heavy cotton fabric of rolling after the opposed process of enzyme
2o
2conventional soln is bleached, and bleaching liquid consists of: 30wt% hydrogen peroxide 10g/L, hydrogen peroxide bleaching stabilizer sodium metasilicate 10g/L, penetrating agent JFC 6g/L, utilize the NaOH adjust ph 10.5 of 15wt%, and bleaching liquor temperature is 98 DEG C, and the time is 60min.Heavy cotton fabric concentration 140 g/L NaOH solution after oxygen bleaching is low alkali mercerized, finally fully washes oven dry.Fabric after the process obtained is designated as P+EN(P:Plasma, plasma; En:enzyme, biology enzyme).
Comparative example: by identical raw material without Cement Composite Treated by Plasma, directly pads with ferment treatment liquid, and subsequent treatment is all identical, and the fabric after process is designated as EN.
Performance test
Wettability (capillary effect): get two, sample before and after process, be of a size of 25cm × 4cm (warp × latitude), add the aqueous solution of the potassium bichromate of 0.5wt% in the sink to waterline, sample baseline and rule zero are overlapped with waterline, through 30min, measure the liquid lifting height of every bar sample at once.If liquid lifting height is uneven, minimum point should be measured and record, the capillary effect value using the mean value of two sample capillary effects as sample.
Whiteness: the fabric after drying balance is built up 4 layers, WSD-III type whiteness instrument is tested.Each sample when different parts keeps direction of warp and weft certain, need measure 3 times, averages.
Ultimate strength: the mensuration of finished tensile brute force carries out fabric test by " textile fabric tensile property part 1: the mensuration galley proof method of ultimate strength and extension at break " in GB GB/T3923.1-1997, this experiment YG065N type electronic fabric strength tester, cloth specimen (5cm × 35cm), length between vices is 20cm.
The mensuration of weight-loss ratio:
In formula: W
0cloth heavy (g) before-destarch; W
1cloth heavy (g) after-destarch.
Heavy cotton fabric before modified after experimental result as following table:
P:Plasma, plasma En:enzyme, biology enzyme
Data Comparison between the comparative example that each embodiment is corresponding with it can be found out, plasma coordinates with biology enzyme and processes, than being used alone cellulase treatment, treatment effect is better, and elastic force loss is starkly lower than and is used alone biologic enzyme treatment method, ultimate strength is higher than biologic enzyme treatment method, and cellulase treatment can cause the molecular weight cellulose after processing to reduce comparatively greatly as can be seen here, thus makes heavy cotton fabric strength loss larger.Plasma coordinates cellulase treatment then to solve the defect problem that biology enzyme processes separately, can keep the excellent of mechanical property after fabric treating, reduce fabric strength and damage while obtaining excellent bleachability.
Claims (10)
1. a heavy cotton fabric cold-pad-batch preparation method, is characterized in that said method comprising the steps of:
(1) heavy cotton fabric after process of singing is placed between two sparking electrodes of dielectric barrier discharge plasma, carries out the process of atmospheric dielectric barrier discharge plasma;
Described atmospheric dielectric barrier discharge plasma treatment conditions are: the distance between two sparking electrodes is 2 centimetres, passes into the mist of inert gas and oxygen during electric discharge, mixed gas flow 0.5 ~ 10 liter/min; Discharge frequency is 10 KHzs, and discharge power is 50 ~ 150 watts, and the processing time is 20 ~ 180 seconds;
(2) the fabric ferment treatment immersion after step (1) process is rolled, then stacking at room temperature;
The constituent of described ferment treatment liquid is:
(3) the fabric hydrogen peroxide bleaching liquid after step (2) process is bleached through oxygen bleaching process;
Described hydrogen peroxide bleaching liquid is composed as follows:
The mass percentage concentration of described hydrogen peroxide is 30 ~ 35wt%;
(4) by low alkali mercerized for the fabric aqueous slkali after step (3) process, finally fully oven dry is washed.
2. heavy cotton fabric cold-pad-batch preparation method as described in claim 1, it is characterized in that in described step (1), described heavy cotton fabric is textile thick and heavy plain cloth, textile thick and heavy TWILL CLOTH, textile thick and heavy corduroy fabric or textile thick and heavy canvas grey cloth.
3. heavy cotton fabric cold-pad-batch preparation method as described in claim 1, it is characterized in that, in described step (1), described inert gas is helium or argon gas, the volume ratio of described inert gas and oxygen is 97 ~ 99.5: 0.5 ~ 3.
4. heavy cotton fabric cold-pad-batch preparation method as claimed in claim 1, is characterized in that, in described step (2), described nonionic penetrant is JFC.
5. heavy cotton fabric cold-pad-batch preparation method as claimed in claim 1, it is characterized in that in described step (2), by the NaOH solution adjust ph of mass percentage concentration 5% ~ 20% when preparing described ferment treatment liquid, when padding, the temperature of ferment treatment liquid is 55 DEG C-60 DEG C, pick-up is 80-120%, and the stacking at room temperature time is 5-20h.
6. heavy cotton fabric cold-pad-batch preparation method as claimed in claim 1, is characterized in that, in described step (3), described hydrogen peroxide bleaching stabilizer is sodium metasilicate.
7. heavy cotton fabric cold-pad-batch preparation method as claimed in claim 1, is characterized in that, in described step (3), described bleeding agent is JFC.
8. heavy cotton fabric cold-pad-batch preparation method as claimed in claim 1, it is characterized in that in described step (3), the NaOH solution adjust ph of described preparation hydrogen peroxide bleaching liquid mass percentage concentration 5% ~ 20%, described oxygen bleaching process is conventional soln bleaching or the bleaching of mangle decatize, during conventional soln bleaching, temperature is 95-100 DEG C, and bleaching time is 20-60min; In mangle decatize bleaching process, pick-up rate 80-150%, steam temperature 95-105 DEG C, steaming time 20-90min.
9. heavy cotton fabric cold-pad-batch preparation method as claimed in claim 1, it is characterized in that in described step (4), the aqueous slkali of described low alkali mercerized middle employing is the NaOH solution of 130g/L-150g/L.
10. heavy cotton fabric cold-pad-batch preparation method as claimed in claim 1, it is characterized in that in described step (1), the process of described atmospheric dielectric barrier discharge plasma is carried out by the following method: the pure heavy cotton fabric after process of singing be placed between two sparking electrodes of dielectric barrier discharge, then be wound in an automatic coiling machine; When fabric is between two sparking electrodes, its surface is processed, and regulates the rotating speed of automatic coiling machine, makes the processing time of fabric between two sparking electrodes be 20 ~ 180 seconds.
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| CN104975489A (en) * | 2014-04-14 | 2015-10-14 | 香港纺织及成衣研发中心有限公司 | Pre-treatment method and pre-treatment device of cotton grey cloth |
| CN104404787B (en) * | 2014-10-22 | 2017-02-08 | 圣华盾防护科技股份有限公司 | All-cotton composite functional fabric with all-cotton water-proof, oil-proof and antifouling properties |
| CN104452369B (en) * | 2014-11-28 | 2016-07-06 | 田艳 | A kind of preparation method of health environment-friendly functional ecological textile |
| CN105369634A (en) * | 2015-11-18 | 2016-03-02 | 德清县伊得利丝绸有限公司 | Cotton and linen interwoven fabric bleaching dyeing deoxygenization process |
| CN106012494B (en) * | 2016-05-31 | 2018-09-14 | 广东溢达纺织有限公司 | A kind of any surface finish, soft and flexible pure cotton woven and its preparation method |
| CN109576976A (en) * | 2017-09-28 | 2019-04-05 | 浙江工业职业技术学院 | A kind of heavy cotton fabric One-step pretreatment method |
| CN113529401B (en) * | 2021-07-12 | 2022-06-24 | 武汉纺织大学 | Green and pollution-free cold-batch method for pure cotton spunlace non-woven fabric |
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