CN101736616B - Technology for dyeing and finishing real silk/corn fabric - Google Patents

Abstract

The invention relates to technology for dyeing and finishing real silk/corn fabric. In order to solve the technical problem, the invention provides the provided technology for dyeing and finishing which can effectively improve the dye uptake of the corn fiber and the color fastness of the fabric, and maximize the strength of the corn fiber and the fabric. The technical scheme of invention is that: the technology for dyeing and finishing the real silk/corn fabric comprises the processes of bleaching, dyeing and heat shaping in turn. The technology for dyeing and finishing the real silk/corn fabric is characterized in that: 1) the bleaching (refining) process comprises steps of pretreating, enzyme scouring, and second scouring; 2) the dyeing process comprises steps of dyeing, reduction clearing, and water washing, wherein staining solution comprises a disperse dye and a reactive dye, or the dyeing process comprises steps of disperse dye dyeing, reduction clearing, water washing, reactive dye dyeing, soap boiling and water washing; and 3) the heat shaping process comprises steps of padding soft solution and heat shaping, wherein the enzyme scouring in the bleaching process adopts neutral enzyme scouring or alkaline enzyme scouring; the staining solution of the disperse dye comprises 0 to 2 g/L of darkening agent DL-6; and the fabric dyed by the disperse dye needs to be washed by adopting acid reduction technology.

Description

Technology for dyeing and finishing real silk/corn fabric

Technical field

The present invention relates to a kind of fabric dyeing and finishing process, especially the dyeing and finishing technology of real silk/corn filament yarn fabric.

Background technology

Silk is the symbol of Chinese mature culture, and she is well-known with the pattern and the rich culture intension of its remarkable quality, fineness.Silk fiber have the laudatory title of " fiber queen "; She is a kind of free of contamination natural fabric fully from ecological angle; Have impayable special performance: frivolous smooth, soft comfortable, good moisture absorption, gas permeability; Distinctive soft beautiful gloss, and with health role to human body.But silk broadcloth exists wet elasticity relatively poor, is prone to shortcomings such as yellowing, makes its fine quality be difficult to give full play to.

Zein fiber formal name used at school acid fiber by polylactic (being the PLA fiber); The natural sugar that is refine from plants such as corn, wheat, beet is that raw material is processed lactic acid through fermentation; Be raw material again with lactic acid, the poly-lactic acid ester solution of processing through the dehydration polymerisation is spinning solution, carries out spinning process again and forms.Acid fiber by polylactic has the capillary performance, has the transfer performance of wettability and moisture, and skin is not clamminess and human body skin is not had any excitant, and gloss is soft and function admirable can match in excellence or beauty with silk.Simultaneously, zein fiber has the elastic recovery higher than polyamide fibre (restoring degree that extends at 5% o'clock is 93%, and polyamide fibre is 89%, silk 52%), can give good morphological stability of fabric and wrinkle resistance.In addition, it is raw material that acid fiber by polylactic adopts the plant resources of natural reproducible, has reduced the dependence to traditional petroleum resources, meets the requirement of international community's sustainable development.

Acid fiber by polylactic has the advantage of synthetic fiber and natural fabric concurrently, have again simultaneously complete Natural Circulation type with can biolytic characteristics, the fabric that is interwoven by silk fiber and zein fiber is not only more comfortable than pure silk fabric, be difficult for yellowing; Because of the high elasticity recovery of zein fiber, can give good morphological stability of intertexture and wrinkle resistance simultaneously.Therefore zein fiber and silk fiber can be had complementary advantages, and the interwoven fabric of two kinds of fibers is novel and high-grade, has vast market prospect, not only can be applicable to underwear fabric, T-shirt, nightwear; Also can be applicable to fields such as family is spun, bunting.

But there are these problems at present: 1, the hydrolytic cleavage under alkalescence or hot conditions easily of the ester bond in the polylactic acid molecule structure, so need strict control pH value, temperature and time in the dyeing and finishing technology; 2, the DISPERSE DYES of suitable dyeing terylene are not all to be suitable for polylactic acid fiber dyeing, and a lot of DISPERSE DYES commonly used are on the low side to the acid fiber by polylactic dye-uptake; 3, DISPERSE DYES can not only dye zein fiber, and very serious to real silk staining; Stick in the DISPERSE DYES COLOR FASTNESS extreme difference on the real silk, as not removing, can cause the overall color fastness decreased of fabric: conventional alkaline reduction is cleaned both can cause the damage to zein fiber, and the staining on the real silk is gone not reach only variable color.4, REACTIVE DYES have considerable influence if adopt alkaline bath dyeing to the zein fiber brute force.Therefore the dyeing and finishing method that also is not fit to the real silk/corn fabric at present.

Summary of the invention

Technical problem to be solved by this invention is the deficiency that overcomes the above-mentioned background technology, and a kind of dyeing and finishing technology that is applicable to real silk/corn fabric is provided; This technology should be able to effectively improve the dye-uptake of zein fiber and the COLOR FASTNESS of fabric, farthest keeps the brute force of zein fiber and fabric.

Technical scheme provided by the invention is:

The dyeing and finishing technology of real silk/corn fabric comprises successively and practices white, dyeing, heat-setting process, it is characterized in that:

1) practicing white (concise) operation comprises: preliminary treatment, enzyme are practiced, the multiple white silk;

2) dyeing process comprises: dyeing, reduction cleaning, washing comprise DISPERSE DYES and REACTIVE DYES in the dyeing liquor; Perhaps comprise disperse dyeing, reduction cleaning, washing, reactive dyeing, soap boiling, washing;

3) heat-setting process comprises: pad softening agent, HEAT SETTING.

The enzyme of practicing in the white operation is practiced employing neutral enzymatic white silk or alkaline enzyme white silk, protease consumption 1-4g/L, processing time 1-4 hour, 45 ℃ ± 2 ℃ of temperature;

Said neutral enzymatic is practiced the employing neutral proteinase, and treatment fluid pH value is 7～7.5;

Said alkaline enzyme is practiced the employing alkali protease, and treatment fluid pH value is 8.5～10.

Comprise an amount of DISPERSE DYES in the disperse dyeing liquid, 0～1g/L acetic acid, 0～2g/L deep-dyeing agent DL-6,0.5-2g/L high temperature disperses levelling agent; 100～110 ℃ of dyeing temperatures, insulation 30～40min.

Said deep-dyeing agent DL-6 is made up of acetate esters, emulsifying agent, water, and its ratio is 1: 0.02～0.05: 8.95～8.98, and wherein acetate esters is made up of in 1: 1: 1 ratio butyl acetate, pentyl acetate, hexyl acetate.

Fabric after the employing disperse dyeing need adopt acidic reduction technology to carry out reduction cleaning, and reducing solution comprises the agent of 1～2g/L acidic reduction, and reducing solution pH value is 5～7; Processing time 20-40 minute, temperature 60-80 ℃.

Reactive dyeing need be used neutral high-temperature technology, and dyeing liquor comprises an amount of REACTIVE DYES and 0.2～1g/L peregal, 0,30～80g/L glauber salt, 80～95 ℃ of dyeing temperatures, dyeing time 40-80min.

Padding in softening agent and the heat-setting process of said real silk/corn fabric, the softener consumption that pads in the softening agent is 0-30g/L, one soaks one rolls; Heat setting temperature is 130-140 ℃, cloth speed 30-50 rice/minute, shaping time 20-30 second.

Said concisely carry out hang practicing bucket also can carry out at dye jigger.

The dyeing and finishing technology of real silk/corn fabric provided by the invention owing to adopted neutral concisely to real silk/corn fabric with alkali protease, reaches the purpose of not only removing the silk gum of real silk but also guaranteeing zein fiber not impaired (or impaired minimum); The deep-dyeing agent DL-6 of development can improve the dye-uptake of DISPERSE DYES to zein fiber; Through adopting the acidic reduction cleaning, not only cleaning and removing has guaranteed the high color fastness of fabric except loose colour on the zein fiber and the staining on the real silk, and can farthest keep the brute force of zein fiber; Adopt the neutral dye fixing technology of REACTIVE DYES, can effectively reduce the damage of zein fiber in the dyeing course, guarantee fabric strength.

The specific embodiment

Below, technical scheme of the present invention is described further through the specific embodiment.

The dyeing and finishing technology of real silk/corn fabric comprises successively and practices white, dyeing, heat-setting process, wherein,

1) practice white (concise) operation, comprising: preliminary treatment, enzyme are practiced, the multiple white silk;

2) dyeing process comprises: disperse dyeing, reduction cleaning, washing, reactive dyeing, soap boiling, washing;

3) pad softening agent and heat-setting process: the real silk/corn fabric open width on the heat setting machine of band padding machine that will pass through dyeing is padded softening agent, then shaping and drying.

A plurality of steps in above-mentioned each operation capable of being combinedly reduce following 5 kinds of technological processes:

1. preliminary treatment → enzyme white silk → answer and practice → wash → pad softener → HEAT SETTING;

2. preliminary treatment → enzyme practices → multiple white silk → washing → HEAT SETTING → go into dyeing machine → disperse dyeing → reduction cleaning → washing → reactive dyeing → soap boiling → wash → pad softener → HEAT SETTING;

3. preliminary treatment → enzyme practices → multiple white silk → washing → HEAT SETTING → go into dyeing machine → dispersed activity one-bath dyeing dyeing → reduction cleaning → wash → pad softener → HEAT SETTING;

4. preliminary treatment → enzyme practices → multiple white silk → washing → disperse dyeing → reduction cleaning → washing → reactive dyeing → soap boiling → wash → pad softener → HEAT SETTING;

5. preliminary treatment → enzyme practices → multiple white silk → washing → dispersed activity one-bath dyeing dyeing → reduction cleaning → wash → pad softener → HEAT SETTING.

Wherein technology 1, technology 2, technology 3 are practiced white operation for practicing bucket at extension, are applicable to each kind real silk/corn fabric; Technology 1 is applicable to the white real silk/corn fabric of dispense with dyeing; Technology 3, technology 4 are practiced in vain and are accomplished in same equipment with dyeing for to practice white operation at dye jigger, are applicable to frivolous, flat real silk/corn fabric very.

Technology 3, technology 5 are applicable to light fabric, DISPERSE DYES and REACTIVE DYES co-bathing dyeing.Generally select the DISPERSE DYES little for use, and the REACTIVE DYES of higher dye-uptake, degree of fixation, one-bath dyeing under pH value neutrality and 100 ℃ of conditions of temperature are arranged at neutral bathroom facilities to real silk staining.Can obtain good Color, but and shortened process, sewage discharge reduced.

Technology 5 is specially adapted to have, frivolous, the flat very real silk/corn fabric of characteristics of look shallow.

General, be finished product after one of above five kinds of technological processes of greig process, also can carry out the stamp following process again, just as needing stamp then can not pad softener.

Above-mentioned white silk is white, in the dyeing, heat-setting process:

One, practicing white purpose is the silk gum of removing on the real silk, generally practices bucket at extension and carries out, and practices white operation and may further comprise the steps:

1) preliminary treatment: practice in the bucket and add pretreatment fluid in advance, greig is hung in practice bucket, 50～70 minutes processing times, 40～60 ℃ of temperature, washing then; Pretreatment fluid consists of: 0.2-1.5g/L soda ash, and 0-1.5g/L bubble flower alkali, the 0.5-2g/L dispersant, all the other are water; The pH value of solution value is 8～10;

2) enzyme is practiced: will pass through pretreated greig and hang in the enzyme that is added with neutral proteinase or alkali protease and practice and carry out concisely in the liquid, and remove the silk gum on the cocoon fiber; Processing time 1-4 hour, 45 ℃ ± 2 ℃ of temperature, washing then; Its enzyme is practiced liquid and is consisted of:

A. neutral enzymatic is practiced: the 1-4g/L neutral proteinase, and 0-5g/L sodium bicarbonate, all the other are water; The pH value of solution value is 7～7.5;

B. alkaline enzyme is practiced: the 1-4g/L alkali protease, and 0.2-3g/L soda ash, all the other are water; The pH value of solution value is 8.5～10;

3) the multiple white silk: will pass through greig that enzyme practices and hang in the multiple experienced liquid and carry out multiple white silk, remove small amount of residual silk gum, and impurity such as grease, wax, pigment; Processing time 30-60 minute, temperature 80-90 ℃, washing then; It is practiced liquid again and consists of: 1～2g/L scouring agent LD-1840, and 0-3g/L soda ash, 0.5～2g/L sodium hydrosulfite, all the other are water; The pH value of solution value is 8～9;

Practicing Bai Yeke carries out at the open width dye jigger.

Two, dyeing is carried out at all kinds of dyeing machines, and dyeing process may further comprise the steps:

1) disperse dyeing: the fabric after concise is got into dyeing machine, use disperse dyeing, the dyeing back is cleaned with hot water; During dyeing, be warming up to 100～110 ℃, insulation 30～40min with the speed of 1～2 ℃/min; Comprise an amount of (requirement according to the fabric color depth is confirmed) DISPERSE DYES in the dye liquor, 0～1g/L acetic acid, 0～2g/L deep-dyeing agent DL-6,0.5-2g/L high temperature disperses levelling agent;

2) reduction cleaning: will be with the fabric of disperse dyeing with acidic reduction liquid reduction cleaning, processing time 20-40 minute, temperature 60-80 ℃, clear water was washed then; Reducing solution consists of: the agent of 1～2g/L acidic reduction, and 0-2g/L acetic acid, all the other are water; The pH value of solution value is 5～7;

3) reactive dyeing: will be dye 80～95 ℃ of dyeing temperatures, dyeing time 40-60min with REACTIVE DYES with the fabric of above-mentioned step process; Dyeing back hot water wash; Comprise an amount of (requirement according to the fabric color depth is confirmed) REACTIVE DYES, 0.2～1g/L peregal, 0,30～80g/L glauber salt in the dye liquor;

4) soap: the back fabric that will dye is soaped 80～95 ℃ of temperature, time 15-30min; Clear water is washed then; Soap and comprise the 1-3g/L soaping agent, the 0.2-1.5g/L diffusant in the liquid.

All at the light real silk/corn fabric below 1%, its dyeing process also can be reduced to: dyeing, reduction cleaning, washing for DISPERSE DYES and REACTIVE DYES consumption; Comprise in the dyeing liquor that DISPERSE DYES, REACTIVE DYES, 0～2g/L deep-dyeing agent DL-6,0.5～2g/L high temperature disperse levelling agent, 30～50g/L glauber salt, dyeing temperature is generally 100 ℃, insulation 40～60min.

Said deep-dyeing agent DL-6 is made up of acetate esters, emulsifying agent, water, and its ratio is 1: 0.02～0.05: 8.95～8.98, and wherein acetate esters is made up of in 1: 1: 1 ratio butyl acetate, pentyl acetate, hexyl acetate.

Padding in softening agent and the heat-setting process of said real silk/corn fabric, the softener consumption that pads in the softening agent is 0-30g/L, one soaks one rolls; Heat setting temperature is 130-140 ℃, cloth speed 30-50 rice/minute, shaping time 20-30 second.

It is apparent that said heat setting process can improve fabric, improves the heat endurance of fabric; But the zein fiber heat endurance is relatively poor, and when reaching 150 ℃ like setting temperature, fusion can take place the corn long filament; Therefore the heat-set temperature of real silk/corn fabric is that 130～140 ℃, fixing time are 20-30s.

In the various dye well auxiliary agents that above-mentioned technology adopted, said acidic reduction agent is Se Lekang P-ACT, is the De Sida Company products; Deep-dyeing agent DL-6 is made up of acetate esters, emulsifying agent, water, and its ratio is 1: 0.02～0.05: 8.95～8.98; All the other are dying of routine material.

In addition, various kinds of equipment involved in the present invention is conventional printing and dyeing process equipment.

Embodiment one:

The silk jade spins color: pink (light color) 810 meters/18,

Practice white, dyeing at dye jigger, walking one time is 15-20 minute.

Technological process: margin to seam → rolling → following cylinder → preliminary treatment → enzyme practices → multiple white silk → washing → dyeing → washing → on roll up → pad softener → HEAT SETTING;

A, preliminary treatment

Auxiliary agent: soda ash 1g/L, bleeding agent 0.5g/L,

Go into before the cylinder whether accords with production requirement of inspection machine, advanced water (250 liters) by normal water level, open width is gone into cylinder then, notes skew of weft; Cold water is walked 1 road; Add auxiliary agent, temperature is raised to 50 ℃ ± 2 ℃, walks 6 road drainings, goes out warm water 1 road;

B, enzyme are practiced

It is 9 that alkali protease 4g/L, soda ash and sodium bicarbonate adjust pH in right amount;

Intake 250 liters, add enzyme and alkali, and stir, temperature is raised to 45 ℃, stops 20min after walking 4 roads, stops 20min behind 4 roads of going further, and so circulates about 4 hours.The test residual silkgum content when the real silk residual silkgum content reaches 22% left and right sides, is accomplished enzyme and is practiced; As do not reach the circulation that then continues to walk to stop behind 4 roads 20min, delayed time 1 to 2 hour.Note all will stirring before each start to enzyme white silk liquid.

C, the multiple white silk

Scouring agent LD-1840 2g/L, sodium hydrosulfite 1g/L, bleeding agent 0.5g/L,

Intake 250 liters, add auxiliary agent, temperature is raised to 85 ℃ ± 2 ℃, walks 6 road drainings, goes out 60 ℃ of warm water 2 roads, draining, and cold water is walked together.

D, dyeing

DISPERSE DYES (the big red AC-E of Ai Nikesi) x%, REACTIVE DYES (spinning the plain red AES of section) y%, deep-dyeing agent DL-6 2g/L, high temperature disperse levelling agent 0.5g/L, glauber salt 50g/L;

Intake 200 liters, dyeing assistant dissolving is good to add, and with the dyestuff dissolving and filter, normal temperature adds 3/5 dyestuff earlier and walks 1 road; Normal temperature adds remaining 2/5 dyestuff again and walks 1 road, goes back to 2 roads, is warming up to 80 ℃ ± 2 ℃ and walks 2 roads, walks 2 roads for 95 ℃ ± 2 ℃; Add 1/2 glauber salt and walk 1 road, add 1/2 glauber salt again and walk 1 road, add a cover and be warming up to 100 ℃, control steam keeps the dye liquor slight boiling condition; Walk 6 roads, sample cutting, proof is to the OK draining;

E. reduction cleaning

Acidic reduction agent (Se Lekang P-ACT) 2.0g/L;

Intake 250 liters, add auxiliary agent, walk 4 roads when temperature is raised to 80 ℃ ± 2 ℃, draining goes out 60 ℃ of warm water and walks 2 roads, draining, and cold water is gone further together.Go out cylinder.

F. HEAT SETTING

In the setting machine groove, add clear water and softener; The above-mentioned silk fabric that makes is padded softener, 130 ℃ of setting temperatures, overfeeding (2%), 30 meters/minute of the speed of a motor vehicle, the door amplitude ratio requires big 2cm.

Embodiment two:

Beautiful tall its color of silk: blue (dark color) white silk is white, dyeing is carried out in different equipment;

Practice the Bai Zailian groove and hang white silk, 40/barrel, technological process is:

Greig preparation → following barrel → preliminary treatment → enzyme is practiced → multiple white silk → washing → water dumping → HEAT SETTING;

Dyeing is carried out at the HTHP overflow dyeing machine, and 24/cylinder, technological process is:

Disperse dyeing → reduction cleaning → washing → reactive dyeing → soap boiling → washing → water dumping → HEAT SETTING.

A. preliminary treatment

Auxiliary agent: soda ash 0.5g/L, bubble flower alkali 1.5g/L, dispersant 1.5g/L;

Practice 4000 liters of the bucket water yields, add auxiliary agent, hang greig, temperature is raised to 60 ℃ ± 2 ℃, and steam is crack, insulation 60min, intermediary operation 3 times.

B. enzyme is practiced

It is 7.5 that neutral proteinase 4g/L, sodium bicarbonate adjust pH in right amount;

Practice 4000 liters of the bucket water yields, add auxiliary agent, adjustment pH is 7.5, and temperature is raised to 45 ℃ ± 2 ℃, hangs greig, and steam is crack, is incubated 3 hours, intermediary operation 8 times.

C. practice again

Auxiliary agent: scouring agent LD-1840 1.5g/L, sodium hydrosulfite 0.5g/L, bubble flower alkali 1.5gLL, dispersant 1.5g/L;

Practice 4000 liters of the bucket water yields, add scouring agent LD-1840, bubble flower alkali, dispersant, temperature is raised to 90 ℃ ± 2 ℃, and the powder that takes a policy hangs greig, and steam is crack, insulation 40min, intermediary operation 2 times.

D. HEAT SETTING

130 ℃ of setting temperatures, overfeeding (3%), 35 meters/minute of the speed of a motor vehicle are set the door amplitude ratio and are stipulated big 2cm.

E. disperse dyeing

DISPERSE DYES (the blue AC-E of big Ai Nikesi, the yellow AC-E of big Ai Nikesi) x%, acetic acid 0.3g/L, high temperature disperse levelling agent 1g/L, deep-dyeing agent DL-6 1.5g/L;

Water inlet, lining are gone into cylinder and are walked evenly, and the adjustment water yield to predetermined water level (about 1600 premium on currency) is earlier with adding dye vat behind high temperature levelling agent and being diluted in of the DL-6 charging basket; To change good dyestuff and acetic acid again and slowly add dye vat behind the being diluted in charging basket together, walk that the speed with 2 ℃/min is warming up to 90 ℃ after 10 minutes, insulation 10min; Speed with 1 ℃/min is warming up to 110 ℃ again, and insulation 30min is cooled to 80 ℃; Sample cutting, proof be to the OK draining, 80 ℃ of hot water wash 10 minutes; Draining, 60 ℃ of hot water wash 10 minutes are treated next step.

F. reduction cleaning

Acidic reduction agent (Se Lekang P-ACT) 2g/L;

Add the acidic reduction agent, be warming up to 80 ℃, walk 20min, draining, Warm Wash 10 minutes, draining.

G. reactive dyeing

REACTIVE DYES (the real blue CA of beautiful China) y%, paregal O 0.5g/L, bleeding agent 0.5g/L, glauber salt 50g/; ,

Water inlet, the adjustment water yield to predetermined water level (1600 liters) will be changed good dyestuff and auxiliary agent earlier and slowly add dye vat behind the being diluted in charging basket together, add glauber salt after walking 10 minutes; Speed with 2 ℃/min after going further 15 minutes is warming up to 70 ℃, insulation 10min, and the speed with 1 ℃/min is warming up to 90 ℃ again; Insulation 40min is cooled to 80 ℃, sample cutting; Proof is to the OK draining, and 80 ℃ of hot water wash 10 minutes are treated next step.

H. soap

Soaping agent 2g/L, diffusant 0.35g/L,

Add auxiliary agent, be warming up to 90 ℃ and walk 15 minutes, draining, 80 ℃ of hot water wash 10 minutes, draining, 60 ℃ of hot water wash 10 minutes, draining, cold wash 10 minutes goes out cylinder.

G. HEAT SETTING

Behind lining water dumping, open-width, the margin to seam in the HEAT SETTING of band padding machine open width pad softening agent, shaping and drying then, 135 ℃ of setting temperatures, overfeeding (3%), 30 meters/minute of the speed of a motor vehicle, a door amplitude ratio is stipulated big 2cm.

Embodiment three:

The silk Ho Geok Choo is forged color: white

Practice the Bai Zailian groove and hang white silk, 40/barrel, technological process is:

Greig preparation → following barrel → preliminary treatment → enzyme is practiced → multiple white silk → washing → water dumping → HEAT SETTING;

A. preliminary treatment

Auxiliary agent: soda ash 0.5g/L, bubble flower alkali 1.5g/L, dispersant 1.5g/L;

Practice 4000 liters of the bucket water yields, add auxiliary agent, hang greig, temperature is raised to 60 ℃ ± 2 ℃, and steam is crack, insulation 60min, intermediary operation 3 times.

B. enzyme is practiced

It is 9 that alkali protease 4g/L, soda ash adjust pH in right amount;

Practice 4000 liters of the bucket water yields, add auxiliary agent, adjustment pH is 9, and temperature is raised to 45 ℃ ± 2 ℃, hangs greig, and steam is crack, is incubated 4 hours, intermediary operation 10 times.

C. practice again

Auxiliary agent: scouring agent LD-1840 1.5g/L, sodium hydrosulfite 0.5g/L, bubble flower alkali 1.5gLL, dispersant 1.5g/L;

Practice 4000 liters of the bucket water yields, add scouring agent LD-1840, bubble flower alkali, dispersant, temperature is raised to 80 ℃ ± 2 ℃, and the powder that takes a policy hangs greig, and steam is crack, is incubated 1 hour, intermediary operation 2 times.

D. HEAT SETTING

Go out bucket after the lining water outlet, behind water dumping again, open-width, the margin to seam in the HEAT SETTING of band padding machine open width pad softening agent, shaping and drying then, 140 ℃ of setting temperatures, overfeeding (2%), 30 meters/minute of the speed of a motor vehicle, a door amplitude ratio is stipulated big 2cm.

Claims (6)

1. the dyeing and finishing technology of real silk/corn fabric comprises successively and practices white, dyeing, heat-setting process, it is characterized in that:

1) practicing white operation comprises: preliminary treatment, enzyme are practiced, the multiple white silk;

2) dyeing process comprises: dyeing, reduction cleaning, washing comprise DISPERSE DYES and REACTIVE DYES in the dyeing liquor; Perhaps comprise disperse dyeing, reduction cleaning, washing, reactive dyeing, soap boiling, washing;

3) heat-setting process comprises: pad softening agent, HEAT SETTING;

Enzyme in the white operation of said white silk is practiced employing neutral enzymatic white silk or alkaline enzyme is practiced protease consumption 1-4g/L, processing time 1-4 hour, 45 ℃ ± 2 ℃ of temperature;

Said neutral enzymatic is practiced the employing neutral proteinase, and treatment fluid pH value is 7～7.5;

Said alkaline enzyme is practiced the employing alkali protease, and treatment fluid pH value is 8.5～10.

2. the dyeing and finishing technology of real silk/corn fabric according to claim 1 is characterized in that comprising in the disperse dyeing liquid an amount of DISPERSE DYES, 0～1g/L acetic acid, and 0～2g/L deep-dyeing agent DL-6,0.5-2g/L high temperature disperses levelling agent; 100～110 ℃ of dyeing temperatures, insulation 30～40min; Said deep-dyeing agent DL-6 is made up of acetate esters, emulsifying agent, water, and its ratio is 1: 0.02～0.05: 8.95～8.98, and wherein acetate esters is made up of in 1: 1: 1 ratio butyl acetate, pentyl acetate, hexyl acetate.

3. the dyeing and finishing technology of real silk/corn fabric according to claim 1 and 2 is characterized in that adopting the fabric after the disperse dyeing need adopt acidic reduction technology to carry out reduction cleaning, and reducing solution comprises the agent of 1～2g/L acidic reduction, and reducing solution pH value is 5～7; Processing time 20-40 minute, temperature 60-80 ℃.

4. the dyeing and finishing technology of real silk/corn fabric according to claim 3 is characterized in that reactive dyeing need use neutral high-temperature technology, and dyeing liquor comprises an amount of REACTIVE DYES; 0.2～1g/L peregal 0; 30～80g/L glauber salt, 80～95 ℃ of dyeing temperatures, dyeing time 40-80min.

5. the dyeing and finishing technology of real silk/corn fabric according to claim 4 is characterized in that padding in softening agent and the heat-setting process of said real silk/corn fabric, and the softener consumption that pads in the softening agent is 0-30g/L, and one soaks one rolls; Heat setting temperature is 130-140 ℃, cloth speed 30-50 rice/minute, shaping time 20-30 second.

6. the dyeing and finishing technology of real silk/corn fabric according to claim 5 is characterized in that concisely practicing bucket and carrying out hanging, and perhaps carries out at dye jigger.