CN103541213A - Dyeing and finishing process for polyester brocade sydney down cotton-imitated fabric - Google Patents
Dyeing and finishing process for polyester brocade sydney down cotton-imitated fabric Download PDFInfo
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Abstract
The invention relates to a dyeing and finishing process for polyester brocade sydney down cotton-imitated fabric. The dyeing and finishing process comprises steps of cold stacking, open width, splitting through refining by alkali liquor, dyeing and shaping. According to the dyeing and finishing process, the polyester brocade composite fiber fabric has soft and fluffy hand feel and excellent moisture absorption and wet permeability performances so as to be more similar to cotton fabric, and the polyester brocade composite fiber fabric also holds the wearability. By screening the dye and controlling the new dyeing and finishing process, all the fastness of the polyester brocade composite fiber fabric are improved; the market additional value and wearability of the fabric are fully improved through after finishing of freshness treatment and moisture absorption and sweat releasing.
Description
Technical field
The present invention relates to a kind of dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric, belong to composite fiber fabric dyeing and finishing technique field.
Background technology
Composite fibre is two or more high polymer molten, is shunted, by same spinneret orifice extrusion molding by special distribution plate.Polyester-nylon complex fiber is normally used the exfoliated or first woven into fabric of islands-in-sea type fibre, through chemistry or mechanical fibrillation, process again, make fabric present superfine fibre feature, it both had advantages of polyamide fibre wear-resisting, high-strength, easily dye, moisture absorption, have again terylen good springiness, advantage that conformality is good, well-pressed, non-ironing.Polyester-nylon complex fiber line density is low especially, fibre diameter is generally below 5 μ m, and specific area is very large, the several times that are generally conventional fibre are decades of times even, after special processing and sorting, the fluffy softness of fabric, there is the capillary effect that specific area is large and abundant, thereby polyamide composite filaments product is washed bright and beautiful snow pear suede and is had the specific functions such as absorbent ventilate, deoiling, dry and comfortable comfortable, Antimicrobial sanitation, each kind fabrics such as cleaning cloth, cleaning wiping cloth, bathing gown cap, clothes cloth art that are applicable to makeing family are therefore favored by very in market all the time.
Polyester-nylon complex fiber type comprises sliver type and fabric of island-in-sea type.Sliver type polyester-nylon complex fiber is the incompatibility of utilizing polyester (PET) and two kinds of polymer of polyamide (PA), after adopting two screw rods to melt extrude respectively, measure, enter special Compound spinning assembly, according to predetermined requirement, in spinneret orifice, be arranged in regularly melt-flow, after spinneret orifice ejection cooling forming, then processing is processed and the composite fibre of formation after drawing-off or false twist texturing etc.Because of PET poor with PA two component compatibilities, divide and isolate from becoming the many fibers that single line density is extremely low, and make fabric present extremely superior sense of touch and visual effect, fibre diameter is minimum, elastic modelling quantity square is directly proportional with fibre diameter, elastic modelling quantity is low, makes fabric have the feel of unique glutinous softness of cunning.The cross sectional shape difference of sliver fiber, line density difference, and two kinds of different components nature difference when post processing, give the special sense of touch of fabric and visual effect.
Fabric of island-in-sea type polyester-nylon complex fiber is a kind of main method of manufacturing superfine fibre.With chemical solvent, " sea " composition is dissolved, just can obtain the superfine fibre of the boundling shape that radical is numerous.The part in sea is COPET or PVA, all belongs to soluble substance, and the part on island can select terylene, polyamide fibre etc. to close fibre.Superfine fibre radical Ji“ island in islands-in-sea type fibre " several specifications such as the general You16 Dao, of quantity 24 Dao, 36 Dao, 64 islands.When filament line density carefully arrives 0.33dtex(0.3D) during left and right, specific area increases greatly, just occurs fento effect, has occurred a leap on Performance and quality.
Polyester-nylon composite superfine fibre, due to its special structure and ultra-fine fibre diameter, so its dyeability is as level-dyeing property, COLOR FASTNESS etc. has a great difference with conventional fibre, has certain difficulty in dyeing is produced.In producing, daily dyeing finds there is the even phenomenon of cloth cover irregular colour in playing sample and bulk production production.Analyzing its main cause is: 1. the fiber finer of polyamide composite filaments, specific area are large, fiber is fast to the adsorption rate of dyestuff, easily causes absorption irregular; 2. fiber is opened after fibre through chemistry and machinery, and fibre section irregular surface is coarse, thereby adsorbance is more than conventional fibre; 3. superfine fibre is more responsive than conventional fibre to the physics and chemistry effect of dying in front damp and hot processing, as opens fibre, setting etc., once be heated, stressed or chemicals effect is inhomogeneous, just can produce uneven dyeing.
Because superfine fibre is at aspects such as line density, cross sectional shape, surface characteristics and degree of crystallinity, the degree of orientation and fibre structures, there is very big-difference with conventional fibre, cause their dyeability and distribution and the bonding state of dyestuff on fiber to there is notable difference, therefore, its dyefastness also differs widely.Show after tested, the dyefastness of polyester-nylon composite superfine fibre is starkly lower than conventional fibre, and its Ananlysis of main cause is as follows: 1. pulp freeness is large, strong to Dye Adsorption ability, at fiber surface, easily form multiple-layer overlapped absorption, a little less than adhesion, dyestuff easily comes off; 2. owing to there being the existence of nylon fibre composition, in DISPERSE DYES, dye polyamide fibre, and it is poor in DISPERSE DYES, to dye rear COLOR FASTNESS, under the test condition of soaping, the part dyestuff that is dying fibrous inside easily moves to fiber surface from fibrous inside, and solution is drawn onto in dye liquor and causes COLOR FASTNESS poor; 3. the impact of thermal dye migration.
Contrast test and production practices all prove, the light fastness of superfine fibre is poorer than conventional fibre, and its influence factor has: 1. because the specific area of fiber is large, be exposed to many under atmosphere and daylight, therefore absorb ultraviolet ray more; 2. fiber finer, radius are little, and light is more easily transmitted to fibrous inside, and dyestuff is more vulnerable to the destruction of light and fades serious; 3. contrast the DISPERSE DYES sunlight fastness on terylene and polyamide fibre respectively, the sunlight fastness of polyamide fibre is generally low 1～2 grade than terylene, and nylon fibre line density is less, and polyamide fibre proportion is more, light fastness is poorer, and this and nylon fibre fastness to weathering be poor direct correlation.4. DISPERSE DYES and nylon fiber be due to the difference of combination, the poor problem of light that itself exists.
The crock fastness of polyamide composite filaments fabric snow pear suede is also poor than fabrics in general, and its reason is mainly: 1. the specific area of polyester-nylon superthin fiber is large, and absorbing dye ability is strong, and during dyeing, a large amount of Dye Adsorptions are at fiber surface; 2. DISPERSE DYES is more much lower than terylene with the adhesion of nylon fibre, and the DISPERSE DYES being therefore attached on polyamide fibre easily comes off; 3. polyamide composite filaments fabric is when sizing, and the DISPERSE DYES of washing bright and beautiful fibrous inside, can be when high temperature fiber expands, and from fibrous inside to fiber top layer, migration, forms loose colour twice, thereby crock fastness is declined.
Summary of the invention
The object of the invention is to provide a kind of dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric.
For achieving the above object, the technical solution used in the present invention is: a kind of dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric, comprises the following steps:
The first step: cold batching process
First adopt evenness calender to pad processing to polyester-nylon complex fiber fabric grey cloth, then by through the polyester-nylon complex fiber fabric grey cloth that pads processing under 35-40 ℃ of room temperature condition, cold dome 40～55 hours; Describedly pad padding in treatment fluid every liter and padding treatment fluid and contain 98～102 grams of liquid caustic soda, 1.8～2.2 grams of hydrogen peroxide, 1.8～2.2 grams of oxidation desizing agent TF-127K, 0.4～0.6 gram of high-efficiency refining agent TF-188 of process using; Described liquid caustic soda is that mass concentration is 32% sodium hydroxide solution;
Second step: open width technique
Polyester-nylon complex fiber fabric grey cloth after described cold batching process is processed carries out open width PROCESS FOR TREATMENT on open-width desizing range; In the open width PROCESS FOR TREATMENT liquid that described open width PROCESS FOR TREATMENT is used, every peaceful width PROCESS FOR TREATMENT liquid contains 48～52 grams of liquid caustic soda, 0.9～1.1 gram of hydrogen peroxide, 0.8～1 gram of degreasing agent TF-126A, 0.4～0.6 gram of high-efficiency refining agent TF-188 and 1.8～2.2 grams of oxidation desizing agent TF-127K; Described liquid caustic soda is that mass concentration is 32% sodium hydroxide solution;
The 3rd step: machine alkali freshening leaves fibre
Polyester-nylon complex fiber fabric grey cloth after described open width PROCESS FOR TREATMENT is carried out to fiber opening process processing; Described fiber opening process is processed every liter of fiber opening process treatment fluid in the fiber opening process treatment fluid using and is contained 2.4～2.6 grams of liquid caustic soda, 1.9～2.1 grams of sodium phosphate trimers, 1.9～2.1 grams of ptt fiber pre-treatment auxiliary agent TF-158A, and described liquid caustic soda is that mass concentration is 32% sodium hydroxide solution;
The 4th step: dyeing
To the processing of dyeing through the polyester-nylon complex fiber fabric grey cloth of pre-treatment; When carrying out described dyeing processing, first to described polyester-nylon complex fiber fabric grey cloth, add coloring agent and dyeing assistant to regulate pH value to 4.0～4.5, then with the programming rate of 0.8～1.2 ℃/min, be warming up to 73～77 ℃, add short dying to remain under 73～77 ℃ of conditions 9～11 minutes after auxiliary agent, next with the programming rate of 0.7～0.9 ℃/min, be warming up to 93～97 ℃, be incubated after 9～11 minutes the programming rate with 0.7～0.9 ℃/min again and be warming up to 123～125 ℃, under 123～125 ℃ of conditions, be incubated 38～42 minutes; Next after being cooled to 93～97 ℃, add and urge to dye auxiliary agent, and be incubated 28～32 minutes, the water outlet of then lowering the temperature under 93～97 ℃ of conditions; After being warming up to again 73～77 ℃, add color-fixing agent to regulate pH value to 10.5～11.5, remain under 73～77 ℃ of conditions and clean after 18～22 minutes, then be down to and under room temperature condition, add glacial acetic acid adjusting pH value to 5.5～6.5; In described dyeing assistant, every liter of dyeing assistant contains 2.9～3.1 grams of ptt fiber dyeing assistant TF-259B, 0.9～1.1 gram of glacial acetic acid, 2.8～3.2 grams of A Bairun U, describedly short dye every liter of level dyeing auxiliary agent in auxiliary agent and contain 7.8～8.2 grams of calcium chloride, 0.9～1.1 gram of dispersant PLP, in described color-fixing agent, contain NaOH and gorgeous firm FIX, in described cleaning agent, every liter of cleaning agent contains 0.9～1.1 gram of soda ash;
The 5th step: sizing
Polyester-nylon complex fiber fabric grey cloth after described dyeing is processed carries out heat treatment; In the heat treatment liquid that described heat treatment is used, every liter of heat treatment liquid contains 28～32 grams of pure and fresh finishing agent TF, 19～21 grams of moisture absorbing and sweat releasing agent TF-620.
Preferred technical scheme is: the temperature conditions of described open width technique is 93～98 ℃.
Preferred technical scheme is: in described open width technique, the translational speed of described chemical fiber plus material grey cloth is 48～52 ms/min.
Preferred technical scheme is: the temperature conditions of described fiber opening process is 112～117 ℃.
Preferred technical scheme is: the time that described fiber opening process is processed is 35～45 minutes.
Preferred technical scheme is: in described polyester-nylon complex fiber fabric grey cloth, the mass content of polyamide fibre is 9～11%.
Preferred technical scheme is: temperature during described heat treatment is 138～142 ℃.
Preferred technical scheme is: the translational speed of washing bright and beautiful snow pear suede cotton like fabric during described heat treatment is 38～42 ms/min.
Preferred technical scheme is: described coloring agent is comprised of the dyestuff of following quality percentage composition:
DISPERSE DYES 0～100%;
ACID DYES 0～100%.
Preferred technical scheme is: in described color-fixing agent, every liter of color-fixing agent contains 1.8～2.2 grams of gorgeous firm FIX.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
1, the present invention from pre-treatment destarch, the selection of opening fibre, dyestuff and technology establishment, the aspect such as arrangement address the problem existing in polyamide composite filaments dyeing and printing process, make it to have the softness, moisture absorption of COTTON FABRIC, fluffy characteristic.
2, the machine alkali fiber opening process that the present invention adopts can be given the special velvet of polyester-nylon complex fiber fabric and excellent moisture absorption performance, make it with COTTON FABRIC soft so and hygroscopicity be close; In process, liquid caustic soda is controlled at 2.5g/L and can makes fabric keep best strength retention and weight-loss ratio.
3, the present invention is by the screening of dyestuff and the control of technique, makes the soaping of fabric, Exposure to Sunlight and crock fastness all obtain arriving very much lifting, solved the poor problem of the every fastness of polyester-nylon complex fiber fabric in traditional handicraft.
4, in setting process of the present invention by pure and fresh arrangement and moisture absorbable and breathable finishing, brand-new sense high-quality comfortable and easy to wear is provided, compare with conventional products, have more the market competitiveness and taking.
Accompanying drawing explanation
Accompanying drawing 1 is the impact of liquid caustic soda concentration on fabric strength retention rate and weight-loss ratio.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Method of testing:
One, the mensuration of fastness to soaping, measures according to GB/T3921-1997 < < textile color stability test color fastness to washing > >.
Two, the mensuration of fastness to rubbing, measures according to GB/T3920-1997 < < textile color stability test colour fastness to rubbing > >.
Three, the mensuration of sunlight fastness, tests resistance to artificial light COLOR FASTNESS xenon xenon arc lamp test > > according to GB/T8427-2008 < < textile color stability.
Four, fabric tension ultimate strength test, according to GB/T3923-1997 < < textile fabric tensile property part 1: the mensuration galley proof method > > strength retention of ultimate strength and extension at break is calculated as follows:
In formula, F1 generation table is opened the ultimate strength of fine front fabric; The ultimate strength of fine rear fabric is opened in F2 representative.
Five, fabric weight-loss ratio is measured
In formula, fine front sample dry weight is opened in W1 representative; Fine rear sample dry weight is opened in W2 representative.
Six, opening fine fabric moisture measures
The globule by 1 0.05ml left and right with a little dye liquor drops on sample, observes the spread condition of water droplet on fabric after 30S.
Seven, opening fine fabric capillary effect measures
At the position, left, center, right of fabric warp-wise, respectively cut a sample, 30cm * 2.5cm, sample one end is clamped on the folder sampling device of capillary effect tester, and the other end is loaded onto 3g clips.Make sample lower end enter water, water temperature is set as 27 ± 2 ℃, records the sepage height after 30min.
Eight, DYED FABRICS level-dyeing property is measured
Randomly draw 10 different points dying on sample, the K/S value of testing respectively them, then according to mathematical statistics principle, calculates respectively mean value, extreme difference and relative standard deviation (Sr), is used for characterizing the level-dyeing property of DYED FABRICS.Extreme difference, relative deviation are less, and level-dyeing property is better.Correlation formula is as follows:
In formula: (k/s)
ithe k/s value that-maximum absorption wave strong point is measured for the i time;
The K/S value of each point of Sr-and the standard deviation of mean value.
Embodiment: a kind of dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric
A dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric, is characterized in that: comprise the following steps:
The first step: cold batching process
First adopt evenness calender to pad processing to polyester-nylon complex fiber fabric grey cloth, then process is padded to the polyester-nylon complex fiber fabric grey cloth of processing at ambient temperature, cold dome 48 hours; Describedly pad padding in treatment fluid every liter and padding treatment fluid and contain 100 grams of liquid caustic soda, 2 grams of hydrogen peroxide, 2 grams of oxidation desizing agent TF-127K, 0.5 gram of high-efficiency refining agent TF-188 of process using; Described liquid caustic soda is that mass concentration is 32% sodium hydroxide solution.
Second step: open width technique
Polyester-nylon complex fiber fabric grey cloth after described cold batching process is processed carries out open width PROCESS FOR TREATMENT on open-width desizing range; In the open width PROCESS FOR TREATMENT liquid that described open width PROCESS FOR TREATMENT is used, every peaceful width PROCESS FOR TREATMENT liquid contains 50 grams of liquid caustic soda, 1 gram of hydrogen peroxide, 1 gram of degreasing agent TF-126A, 0.5 gram of high-efficiency refining agent TF-188 and 2 grams of oxidation desizing agent TF-127K; Described liquid caustic soda is that mass concentration is 32% sodium hydroxide solution.
First adopt cold dome desizing+open-width desizing technique, can remove the most of slurry of fabric and impurity, make fabrics cloth cover smooth simultaneously, increase its wettability, be conducive to following process.
The 3rd step: machine alkali freshening leaves fibre
Polyester-nylon complex fiber fabric grey cloth after described open width PROCESS FOR TREATMENT is carried out to fiber opening process processing; Described fiber opening process is processed every liter of fiber opening process treatment fluid in the fiber opening process treatment fluid using and is contained 2.5 grams of liquid caustic soda, 2 grams of sodium phosphate trimers, 2 grams of ptt fiber pre-treatment auxiliary agent TF-158A, and described liquid caustic soda is that mass concentration is 32% sodium hydroxide solution.
Polyester-nylon complex fiber fabric need to be opened fibre before dyeing under alkali condition, and bi-component compound silk is cut separation, and becomes superfine fibre.Adopt alkalimetry to open fibre, polyster fibre part can be hydrolyzed, and along with the raising of reduction rate, the miniature depression that fiber surface produces increases, and specific area increases, and it is soft, bulk that cloth cover becomes.Due to reduction rate too conference cause fiber strength to decline, so should strictly control liquid caustic soda concentration.By test, open weight-loss ratio and the strength retention of fine rear fabric and determine the suitable concentration of opening liquid caustic soda in fibre.In opening fine process, add appropriate ptt fiber pre-treatment auxiliary agent TF-158A, this auxiliary agent has good refining destarch, paraffin removal effect, and has lubricated, infiltration effect, can obviously improve the scratch of fiber in pretreatment process; Sodium phosphate trimer has chelated metal ions, removes residual slurry and washing effect.
The 4th step: dyeing
The processing of dyeing of polyester-nylon complex fiber fabric grey cloth after described fiber opening process is processed, when carrying out described dyeing processing, first to described polyester-nylon complex fiber fabric grey cloth, add coloring agent and dyeing assistant to regulate pH value to 4.0～4.5, then with the programming rate of 1 ℃/min, be warming up to 75 ℃, add, short dying remains under 73～77 ℃ of conditions 9～11 minutes after auxiliary agent, next with the programming rate of 0.7～0.9 ℃/min, be warming up to 95 ℃, be incubated after 9～11 minutes the programming rate with 0.7～0.9 ℃/min again and be warming up to 124 ℃, under 124 ℃ of conditions, be incubated 40 minutes, next after being cooled to 95 ℃, add the short auxiliary agent that dyes, and be incubated 30 minutes under 95 ℃ of conditions, then the water outlet of lowering the temperature, generally need near room temperature, at least also below 75 ℃, for example the present embodiment is near 30 ℃.After rising to again 75 ℃, add color-fixing agent to regulate pH value to 10.5～11.5, remain on 75 ℃ of conditions and clean after lower 20 minutes, then add glacial acetic acid to regulate pH value to 5.5～6.5 to room temperature condition; In described dyeing assistant, every liter of dyeing assistant contains 3 grams of ptt fiber dyeing assistant TF-259B, 1 gram of glacial acetic acid, 3 grams of A Bairun U, describedly short dye every liter of level dyeing auxiliary agent in auxiliary agent and contain 8 grams of calcium chloride, 1 gram of dispersant PLP, in described color-fixing agent, contain NaOH and gorgeous firm FIX, in described cleaning agent, every liter of cleaning agent contains 1 gram of soda ash.
Because ACID DYES is dyed on pH value is during lower than fiber isoelectric point, add appropriate electrolyte can delay the exchange of dyestuff ion and electrolytic anion, thereby play slow so effect, improve level-dyeing property.So add calcium chloride to serve as electrolyte in the time of 70 ℃, come auxiliary acid dyestuff to improve its dye-uptake.While cooling to 90 ℃ after colouring completes, add calcium chloride, the ACID DYES of dying on impelling is not dyed polyamide fibre on more again.
The 5th step: sizing
Polyester-nylon complex fiber fabric grey cloth after described dyeing is processed carries out heat treatment; In the heat treatment liquid that described heat treatment is used, every liter of heat treatment liquid contains 30 grams of pure and fresh finishing agent TF, 20 grams of moisture absorbing and sweat releasing agent TF-620.
The temperature conditions of open width technique is 95 ℃.
In open width technique, the translational speed of described chemical fiber plus material grey cloth is 50 ms/min.
The temperature conditions of fiber opening process is 115 ℃.
The time that fiber opening process is processed is 40 minutes.
In polyester-nylon complex fiber fabric grey cloth, the mass content of polyamide fibre is 10%.
Temperature during heat treatment is 140 ℃.
The translational speed of washing bright and beautiful snow pear suede cotton like fabric during heat treatment is 40 ms/min.
Coloring agent is comprised of the dyestuff of following quality percentage composition:
Disperse blue TERASIL LF 20%;
The blue 3R 80% of ACID DYES ERIOFAST.
In other embodiments of the present invention, DISPERSE DYES is selected and is disperseed blue TERASIL LF, disperse yellow TERASILLF, disperse red TERASIL LF.ACID DYES is selected the blue 3R of ERIOFAST yellow 5G, ERIOFAST.
In color-fixing agent, every liter of color-fixing agent contains 2 grams of gorgeous firm FIX of color-fixing agent.
Comparative example:
A reagent: contain 2.5g ptt fiber dyeing assistant TF-259B and 2g glacial acetic acid in every liter of A reagent.B reagent: disperse yellow brown S-2RFL and conventional ACID DYES.C reagent: contain 2g acidic color fixing agent CL-250TS and 1g glacial acetic acid in every liter of C reagent.
First to polyester-nylon complex fiber fabric grey cloth, add A reagent and B reagent adjusting pH to 4.0 left and right, then with 1 ℃/min, be warming up to 75 ℃, be incubated 10 minutes.With 0.8 ℃/min, be warming up to 75 ℃ again, be incubated 10 minutes.Next with 0.8 ℃/min, be warming up to 125 ℃, be incubated 40 minutes.Be cooled to 75 ℃ of water outlets, then rise to 75 ℃ and add C reagent and be incubated 20 minutes, then clean.
Reagent: liquid caustic soda (sodium hydrate aqueous solution that mass concentration is 32%), sodium phosphate trimer, soda ash, glacial acetic acid, hydrogen peroxide and calcium chloride are commercially available prod.In bath, softener M-2800 is high purchased from Hangzhou U.S..A Bairun U, pure and fresh finishing agent TF step chemical industry purchased from Hensel.Degreasing agent TF-126A, oxidation desizing agent TF-127K, high-efficiency refining agent TF-188, ptt fiber pre-treatment auxiliary agent TF-158A, ptt fiber dyeing assistant TF-259B, moisture absorbing and sweat releasing agent TF-620 are purchased from development of evil in febrile disease chemical industry.Disperse blue TERASIL LF, disperse yellow TERASIL LF, the red B of disperse red TERASIL LF, ERIOFAST blue 3R, the ERIOFAST of yellow 5G, ERIOFAST to step chemical industry purchased from Hensel.Disperse Red 3B, Disperse Blue 2BLN, disperse yellow brown S-2RFL, disperse black ECT, disperse 100% carbuncle S-5BL to contain purchased from Zhejiang dragon.。Dispersant PLP steps purchased from Hensel purchased from De Shida, gorgeous firm FIX.
One, moisture pick-up properties contrast
Table 1: the fabric capillary effect table of comparisons
The fibre of opening of polyester-nylon complex fiber fabric grey cloth separates coherent polyster fibre in composite fibre exactly with nylon fibre, become real superfine fibre, opens fine rear fibre diameter and diminishes, and it is large that specific area becomes, and surface can also become greatly thereupon, hygroscopicity enhancing; Simultaneously, because fiber internal pore increases, hydrone more easily enters capillary, and condensate water is also had living space, and the surface in space is equivalent to specific area and increases, and fabric moisture property improvement is also played a significant role.Polyamide composite filaments fabric is opened fine rear hygroscopicity and is obviously improved, and water droplet spreads rapidly on surface, and its moisture sorption effect is only second to COTTON FABRIC.As shown in Table 1, opening the fine capillary effect of fabric afterwards significantly improves.Not opening fine fabric refers to without opening the fine polyester-nylon complex fiber fabric grey cloth of processing.Open fine rear fabric and refer to the polyester-nylon complex fiber fabric grey cloth after fiber opening process of the present invention is processed.
Two, the impact of liquid caustic soda concentration on textile physical characteristic
It is to wash at present the fiber opening method that bright and beautiful fabric is conventional that alkaline process processing fabric is opened fibre, they be mainly to utilize nylon fibre alkali resistance good, and the ester bond of terylene can be hydrolyzed under the effect of alkali, and two kinds of components shrinkage in alkali is different, terylene shrinkage is little, polyamide fibre shrinkage is large, therefore by the effect of alkali, allows alkali along washing the suitable degree hydrolysis in bright and beautiful interface, making to wash bright and beautiful interfacial adhesion power reduces, open fibre and be achieved, with this, produce Di-loop process, fabric presents special velvet.As shown in Figure 1, in polyester-nylon complex fiber fabric grey cloth is opened fine process, along with the rising of liquid caustic soda concentration, the strength retention of fabric is continuous downward trend, and the weight-loss ratio of fabric is continuous ascendant trend.When liquid caustic soda concentration is when 2g/L is following, the strength retention of fabric declines and is not obvious, and weight-loss ratio is lower, in 7% left and right; When liquid caustic soda concentration is greater than 2g/L, strength retention and weight-loss ratio change obviously, and wearability of fabric is downward trend linearly, so liquid caustic soda concentration is advisable with 2.5g/L.
Three, embodiment technique and the impact of comparative example technique on cloth cover dyeability
Table 2: the fabrics cloth cover K/S value of embodiment technique and comparative example PROCESS FOR TREATMENT
From table 2 data, by the processing of embodiment dyeing, the level-dyeing property of fabric is obviously better than comparative example technique.The K/S of embodiment process fabrics is high compared with comparative example technique, illustrates that embodiment technique dye-uptake is high, on 95 ℃ of dyestuffs that add calcium chloride electrolyte to dye on making in solution not continue, dyes polyamide fibre, and this K/S outline that embodiment process fabrics has also been described is higher than comparative example technique; Because the specific area of the superfine fibre of polyester-nylon complex fiber fabric grey cloth after fiber opening process is processed is large, Dye Adsorption is fast, embodiment dyeing has been taked multisection type insulation, the dyestuff dying can be fully combined with fiber, as calculated, standard deviation and the extreme difference of embodiment dyeing are all less, have reflected good level-dyeing property, have solved the poor problem of polyester-nylon complex fiber level-dyeing property of fabric.
Four, embodiment technique and the impact of comparative example PROCESS FOR TREATMENT on fabric fastness
Table 3: polyamide composite filaments fabric washing fastness comparison
In table 3,1. represent embodiment technique; 2. represent comparative example technique.
Table 4: polyester-nylon complex fiber fabric sun-resistant with crock fastness comparison
In table 4,1. represent embodiment technique; 2. represent comparative example technique.
Because DISPERSE DYES is different and different with dyeing temperature to the dyeing ability of terylene and polyamide fibre, to boil below temperature, DISPERSE DYES is greater than terylene to the dyeing capacity of polyamide fibre, dyes polyamide fibre on being mainly; Boil more than temperature, the dyeing capacity of DISPERSE DYES to terylene, improves and improves along with dying temperature, and the dyeing capacity of polyamide fibre is declined gradually.Therefore in low-temperature space insulation a period of time, also can strengthen interface and move and dye, improve even dyeing effect.The TERASIL LF series DISPERSE DYES itself of selecting has higher Exposure to Sunlight and washing fastness to fabric, has remarkable lifting force on ordinary polyester and super fine polyester, and the macromolecular structure of itself stains few to fabric polyamide fibre component; ERIOFAST series dyes is applicable to polyamide fibre and BLENDED FABRIC thereof, and nylon fabric COLOR FASTNESS is had to very large lifting, and alkaline fixation is more conducive to the removal of surperficial loose colour, even if very dark colour all has high wet fastness properties.As can be seen from Table 3, by the screening of dyestuff and the control of new technology, the soaping fastness of polyester-nylon complex fiber fabric (snow pear suede) is significantly improved, and raising degree is about 1 grade of left and right; As shown in Table 4, sunlight fastness and crock fastness also improve to some extent, and raising degree is 0.5-1 level left and right.Wherein the lifting of the every fastness of black fabric is more obvious, and its soaping fastness can improve 1.5 grades of left and right, has well solved polyester-nylon complex fiber fabric in the poor problem of washing fastness.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. a dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric, is characterized in that: comprise the following steps:
The first step: cold batching process
First adopt evenness calender to pad processing to polyester-nylon complex fiber fabric grey cloth, then by through the polyester-nylon complex fiber fabric grey cloth that pads processing under 35-40 ℃ of room temperature condition, cold dome 40 ~ 55 hours; Describedly pad padding in treatment fluid every liter and padding treatment fluid and contain 98 ~ 102 grams of liquid caustic soda, 1.8 ~ 2.2 grams of hydrogen peroxide, 1.8 ~ 2.2 grams of oxidation desizing agent TF-127K, 0.4 ~ 0.6 gram of high-efficiency refining agent TF-188 of process using; Described liquid caustic soda is that mass concentration is 32% sodium hydroxide solution;
Second step: open width technique
Polyester-nylon complex fiber fabric grey cloth after described cold batching process is processed carries out open width PROCESS FOR TREATMENT on open-width desizing range; In the open width PROCESS FOR TREATMENT liquid that described open width PROCESS FOR TREATMENT is used, every peaceful width PROCESS FOR TREATMENT liquid contains 48 ~ 52 grams of liquid caustic soda, 0.9 ~ 1.1 gram of hydrogen peroxide, 0.8 ~ 1 gram of degreasing agent TF-126A, 0.4 ~ 0.6 gram of high-efficiency refining agent TF-188 and 1.8 ~ 2.2 grams of oxidation desizing agent TF-127K; Described liquid caustic soda is that mass concentration is 32% sodium hydroxide solution;
The 3rd step: machine alkali freshening leaves fibre
Polyester-nylon complex fiber fabric grey cloth after described open width PROCESS FOR TREATMENT is carried out to fiber opening process processing; Described fiber opening process is processed every liter of fiber opening process treatment fluid in the fiber opening process treatment fluid using and is contained 2.4 ~ 2.6 grams of liquid caustic soda, 1.9 ~ 2.1 grams of sodium phosphate trimers, 1.9 ~ 2.1 grams of ptt fiber pre-treatment auxiliary agent TF-158A, and described liquid caustic soda is that mass concentration is 32% sodium hydroxide solution;
The 4th step: dyeing
To the processing of dyeing through the polyester-nylon complex fiber fabric grey cloth of pre-treatment; When carrying out described dyeing processing, first to described polyester-nylon complex fiber fabric grey cloth, add coloring agent and dyeing assistant to regulate pH value to 4.0 ~ 4.5, then with the programming rate of 0.8 ~ 1.2 ℃/min, be warming up to 73 ~ 77 ℃, add short dying to remain under 73 ~ 77 ℃ of conditions 9 ~ 11 minutes after auxiliary agent, next with the programming rate of 0.7 ~ 0.9 ℃/min, be warming up to 93 ~ 97 ℃, be incubated after 9 ~ 11 minutes the programming rate with 0.7 ~ 0.9 ℃/min again and be warming up to 123 ~ 125 ℃, under 123 ~ 125 ℃ of conditions, be incubated 38 ~ 42 minutes; Next after being cooled to 93 ~ 97 ℃, add and urge to dye auxiliary agent, and be incubated 28 ~ 32 minutes, the water outlet of then lowering the temperature under 93 ~ 97 ℃ of conditions; After being warming up to again 73 ~ 77 ℃, add color-fixing agent to regulate pH value to 10.5 ~ 11.5, remain under 73 ~ 77 ℃ of conditions and clean after 18 ~ 22 minutes, then be down to and under room temperature condition, add glacial acetic acid adjusting pH value to 5.5 ~ 6.5; In described dyeing assistant, every liter of dyeing assistant contains 2.9 ~ 3.1 grams of ptt fiber dyeing assistant TF-259B, 0.9 ~ 1.1 gram of glacial acetic acid, 2.8 ~ 3.2 grams of A Bairun U, describedly short dye every liter of level dyeing auxiliary agent in auxiliary agent and contain 7.8 ~ 8.2 grams of calcium chloride, 0.9 ~ 1.1 gram of dispersant PLP, in described color-fixing agent, contain NaOH and gorgeous firm FIX, in described cleaning agent, every liter of cleaning agent contains 0.9 ~ 1.1 gram of soda ash;
The 5th step: sizing
Polyester-nylon complex fiber fabric grey cloth after described dyeing is processed carries out heat treatment; In the heat treatment liquid that described heat treatment is used, every liter of heat treatment liquid contains 28 ~ 32 grams of pure and fresh finishing agent TF, 19 ~ 21 grams of moisture absorbing and sweat releasing agent TF-620.
2. the dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric according to claim 1, is characterized in that: the temperature conditions of described open width technique is 93 ~ 98 ℃.
3. the dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric according to claim 1, is characterized in that: in described open width technique, the translational speed of described chemical fiber plus material grey cloth is 48 ~ 52 ms/min.
4. the dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric according to claim 1, is characterized in that: the temperature conditions of described fiber opening process is 112 ~ 117 ℃.
5. the dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric according to claim 1, is characterized in that: the time that described fiber opening process is processed is 35 ~ 45 minutes.
6. the dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric according to claim 1, is characterized in that: in described polyester-nylon complex fiber fabric grey cloth, the mass content of polyamide fibre is 9 ~ 11%.
7. the dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric according to claim 1, is characterized in that: temperature during described heat treatment is 138 ~ 142 ℃.
8. the dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric according to claim 1, is characterized in that: the translational speed of washing bright and beautiful snow pear suede cotton like fabric during described heat treatment is 38 ~ 42 ms/min.
9. the dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric according to claim 1, is characterized in that: described coloring agent is comprised of the dyestuff of following quality percentage composition:
DISPERSE DYES 0 ~ 100%;
ACID DYES 0 ~ 100%.
10. the dyeing and finishing technology of washing bright and beautiful snow pear suede cotton like fabric according to claim 1, is characterized in that: in described color-fixing agent, every liter of color-fixing agent contains 1.8 ~ 2.2 grams of gorgeous firm FIX.
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