CN106758128B - A kind of tussah silk textiles cold pad--batch degumming-one bath method of bleaching - Google Patents
A kind of tussah silk textiles cold pad--batch degumming-one bath method of bleaching Download PDFInfo
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- CN106758128B CN106758128B CN201611028316.7A CN201611028316A CN106758128B CN 106758128 B CN106758128 B CN 106758128B CN 201611028316 A CN201611028316 A CN 201611028316A CN 106758128 B CN106758128 B CN 106758128B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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- D01C3/02—De-gumming silk
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Abstract
The present invention provides a kind of tussah silk textiles cold pad--batch degumming-one bath methods of bleaching, hydrogen peroxide, alkaline agent, hydrogen peroxide bleaching stabilizer, swelling agent, bleeding agent and water are configured to padding liquid first, silk fabric is immersed in padding liquid and is padded, sealing later banks up 12~for 24 hours, then the tussah silk textiles after degumming, bleaching are obtained by alkali cleaning, washing and drying.Experiment shows to handle tussah silk textiles using one-bath one-step dyeing provided by the invention, and degumming rate can achieve 13%, and whiteness can achieve 76, and the ultimate strength of silk fabric can achieve 628N.The present invention realizes the degumming of tussah silk textiles, one bath one step processing of bleaching, tussah silk textiles degumming, bleaching process are simplified, and treatment process is small to the strength loss of silk fabric, realizes the degumming of tussah silk textiles, bleaches while carrying out, energy consumption is saved, discharge of wastewater is reduced.
Description
Technical field
The present invention relates to textile fabric dyeing and finishing technique field, in particular to a kind of tussah silk textiles cold pad--batch degumming-bleaching one
Bath method.
Background technique
Tussah silk is one kind of tussah, and the tussah silk of China's specialty accounts for the 80% of whole world tussah.Its main feature is that machine
Tool intensity is high, acidproof and alkaline-resisting.Tussah silk textiles are made of fibroin and silk gum, and the presence of silk gum will affect tussah silk textiles
The performances such as gloss, feel and dyeing and printing process, and its colloid is not easy softening dissolution in the hot water, and degumming is relatively difficult；And
Tussah silk true qualities are yellowish-brown, are different from mulberry silk, it is also necessary to individual bleaching, dopant species contained by tussah silk are more,
Pigment, wax, tannic acid, the urea hydrochlorate, calcium salt of such as dark brown sour color, these impurity and pigment be contained in silk gum and fibroin it
In, so that the more difficult bleaching of tussah silk.
Degumming method commonly used in the prior art be the degumming of soap alkaline process, based on soap, supplemented by soda ash, pH value be 9~
10, temperature promotes silk gum to hydrolyze under conditions of being 98~100 DEG C, achievees the purpose that degumming；Common method for bleaching is hydrogen peroxide
Or the oxidants such as potassium permanganate are bleached.It is reacted, is destroyed using the oxidants such as hydrogen peroxide and the double bond in pigmentary structures
Conjugated structure therein reaches achromatic objective.
Traditional handicraft is to carry out degumming process to silk first, is bleached again later, primarily to de- convenient for control
Glue rate, whiteness and strength, but the method complex procedures that this degumming and bleaching are separately handled, long flow path.And silkworm degumming of silk
Take a policy powder in technique, by degumming, bleaching while can carry out, but be also only suitable for mulberry silk, handle tussah silk textiles
Shi Baidu is extremely difficult to require.
Summary of the invention
In view of this, simplifying it is an object of that present invention to provide a kind of tussah silk textiles cold pad--batch degumming-one bath method of bleaching
Tussah silk textiles degumming, bleaching process realize the degumming of tussah silk textiles, bleach while carrying out, reduce multiple high temp processing, section
Save energy consumption.
In order to achieve the above-mentioned object of the invention, the present invention the following technical schemes are provided:
The present invention provides a kind of tussah silk textiles cold pad--batch degumming-one bath methods of bleaching, comprising the following steps:
Hydrogen peroxide, alkaline agent, hydrogen peroxide bleaching stabilizer, swelling agent, bleeding agent and water are mixed, padding liquid is obtained；The extruding
Agent is urea；
Tussah silk textiles are immersed in padding liquid and are padded；
Silk fabric sealing after padding described in toothed oak banks up, alkali cleaning, washing and drying；
Preferred alkaline agent is sodium hydroxide and/or sodium carbonate；
Preferred hydrogen peroxide bleaching stabilizer is silicon type hydrogen peroxide bleaching stabilizer and/or non-silicon type hydrogen peroxide bleaching stabilizer；
Preferably the method according to claim 1, wherein the bleeding agent is fatty alcohol polyoxyethylene ether
And/or alkyl polyoxyethylene ether；
The concentration of hydrogen peroxide is 5~12g/L in preferred padding liquid；
The concentration of alkaline agent is 10~30g/L in preferred padding liquid；
The concentration of hydrogen peroxide bleaching stabilizer is 1~10g/L in preferred padding liquid；
The concentration of swelling agent is 1~5g/L in preferred padding liquid；
The concentration of bleeding agent is 0.5~2g/L in preferred padding liquid
The pick-up rate preferably padded is 105%~120%；
Preferably sealing the temperature banked up is 30~40 DEG C；It is described seal time for banking up be 12~for 24 hours；
The temperature of preferred alkali cleaning is 70~90 DEG C；The time of the alkali cleaning is 5~15min；
Preferred water-washing process are as follows: successively in 70~90 DEG C of washing 3~10min, 40~60 DEG C of washing 3~10min, 20~
30 DEG C of 3~10min of washing；
The temperature preferably dried is 70~130 DEG C.
This application provides a kind of tussah silk textiles cold pad--batch degumming-one bath methods of bleaching, first by hydrogen peroxide, alkaline agent,
Hydrogen peroxide bleaching stabilizer, swelling agent, bleeding agent and water mixing, obtain padding liquid, tussah silk textiles are immersed in padding liquid and are padded,
Tussah silk textiles sealing after described pad is banked up, alkali cleaning, washing and drying.Tussah silk textiles are put into containing double by the present invention
Oxygen water, alkaline agent, hydrogen peroxide bleaching stabilizer, swelling agent and bleeding agent padding liquid in, tussah silk textiles are handled under the conditions of sealing is banked up,
The degumming of tussah silk textiles is realized, bleaches while carrying out, degumming, the bleaching process of tussah silk textiles is simplified, reduces biography
Multiple high temp processing in technique of uniting, saves energy consumption, and treatment process is small to the strength loss of tussah silk textiles, does not need to use
Fibroin protective agent.The experimental results showed that carrying out degumming-bleaching, degumming rate to tussah silk textiles using method provided by the invention
It can achieve 13%, whiteness can achieve 76, and the ultimate strength of tussah silk textiles can achieve 628N after degumming-bleaching.
Specific embodiment
The present invention provides a kind of tussah silk textiles cold pad--batch degumming-one bath methods of bleaching, comprising the following steps:
Hydrogen peroxide, alkaline agent, hydrogen peroxide bleaching stabilizer, swelling agent, bleeding agent and water are mixed, padding liquid is obtained；The extruding
Agent is urea；
Tussah silk textiles are immersed in padding liquid and are padded；
Tussah silk textiles sealing after described pad is banked up, alkali cleaning, washing and drying.
The present invention mixes hydrogen peroxide, alkaline agent, hydrogen peroxide bleaching stabilizer, swelling agent, bleeding agent and water, obtains padding liquid.?
In the present invention, the concentration of hydrogen peroxide is preferably 5~12g/L in the padding liquid, more preferably 7~10g/L；The present invention is preferred
Hydrogen peroxide is added into padding liquid in the form of hydrogen peroxide, the mass concentration of the hydrogen peroxide is preferably 30%~35%, more
Preferably 32%~33%, it in a specific embodiment of the present invention, can be according to right in the mass concentration and padding liquid of hydrogen peroxide
The requirement of concentration of hydrogen peroxide determines the addition quality of hydrogen peroxide.The present invention floats tussah silk textiles using hydrogen peroxide
It is white, in bleaching process, HO that hydrogen peroxide ionizes out2 -Chromatophagous conjugated double bond, while making silk gum oxidative degradation, reach
The purpose that degumming, bleaching are completed at the same time.
In the present invention, the alkaline agent is preferably sodium hydroxide and/or sodium carbonate；The concentration of alkaline agent is excellent in the padding liquid
It is selected as 10~30g/L, more preferably 15~25g/L.In the present invention, the alkaline agent increases dissolution of the silk gum in padding liquid
Property, make the strand of silk gum that hydrolytic cleavage occur, to separate from fibroin；And the present invention promotes dioxygen using alkaline agent
The ionization of water enhances bleaching effect, achievees the purpose that degumming-bleaching while carrying out.
In the present invention, the hydrogen peroxide bleaching stabilizer is preferably silicon type hydrogen peroxide bleaching stabilizer and/or non-silicon type hydrogen peroxide bleaching stabilizer；Institute
Stating silicon type hydrogen peroxide bleaching stabilizer is preferably sodium metasilicate stabilizer or magnesium silicate stabilizer；The non-silicon type hydrogen peroxide bleaching stabilizer is preferably rouge
Pipecolic acid derivative, polycarboxylic acid salt form, ammonia carboxylic acid type and organic phosphoric acid salt form hydrogen peroxide bleaching stabilizer；In specific embodiments of the present invention
In, it can choose the mixture of one or more of hydrogen peroxide bleaching stabilizer FSO, hydrogen peroxide bleaching stabilizer HT and hydrogen peroxide bleaching stabilizer EB-90；
The concentration of hydrogen peroxide bleaching stabilizer is preferably 1~10g/L in the padding liquid, more preferably 3~8g/L, most preferably 4~6g/L.This
Invention inhibits the too fast catalytic decomposition of hydrogen peroxide using hydrogen peroxide bleaching stabilizer, avoids the failure of bleaching liquid, reduces to tussah silk textiles
Fibre damage.
In the present invention, the swelling agent is urea；The concentration of urea is preferably 1~5g/L in the padding liquid, more excellent
It is selected as 2~4g/L.The present invention makes swelling of fiber using the excellent hygroscopicity of urea, and structure becomes loose, the hole between fiber molecule
Gap becomes larger, so that silk gum be made to be more easier to detach, while improving the bleaching effect of hydrogen peroxide.
In the present invention, the bleeding agent is preferably fatty alcohol polyoxyethylene ether and/or alkyl polyoxyethylene ether；The leaching
The concentration of bleeding agent is 0.5~2g/L, more preferably 1~1.5g/L in mangle.The present invention reduces tussah silk weaving using bleeding agent
The surface tension of fibres promotes infiltration of the padding liquid to fiber, to improve degumming-bleaching effect.
In the present invention, the amount of water is the concentration in order to make said components reach restriction, in specific embodiments of the present invention
In, the amount of water can be determined according to the specific concentration of said components.
After obtaining padding liquid, tussah silk textiles are immersed in padding liquid and are padded by the present invention.In the present invention, the toothed oak
Silk fabric is to be formed by weaving by tussah silk for raw material, and tussah silk belongs to protein fibre, and main component is fibroin, silk gum, day
The right impurity such as pigment and ash content；The mass content of fibroin in tussah silk (water reeled silk) is about 85%, the mass content of silk gum
About 13%, the mass content of natural pigment and impurity is about 2%.
In the present invention, the pick-up rate padded is preferably 105%~120%, and more preferably 110%~115%；Institute
Stating the temperature padded is preferably 30~40 DEG C, and more preferably 35 DEG C.In the present invention, described to pad preferably second dipping and rolling；Institute
The process for stating second dipping and rolling is preferred are as follows: tussah silk textiles are immersed padding liquid, then by evenness calender, are repeated once later
State step；In the present invention, the condition padded twice is identical, and details are not described herein.
After the completion of padding, the present invention tussah silk textiles after described pad are sealed bank up, alkali cleaning, washing and baking
It is dry.In the present invention, the temperature banked up that seals is preferably 30~40 DEG C, more preferably 33~38 DEG C, most preferably 35 DEG C；
It is described seal time for banking up be 12~for 24 hours, more preferably 15~20h；In a specific embodiment of the present invention, it can will pad
Tussah silk textiles after the completion carry out environmental sealing with plastics.
After the completion of sealing is banked up, the tussah silk textiles that the present invention postpones the heap carry out alkali cleaning.In the present invention, described
The temperature of alkali cleaning is preferably 70~90 DEG C, more preferably 75~85 DEG C, most preferably 80 DEG C；The time of the alkali cleaning is preferably 5
~15min, more preferably 6~12min, most preferably 10min.In the present invention, the alkali wash water that the alkali cleaning uses preferably wraps
Include sodium carbonate, detergent and water；The concentration of sodium carbonate is preferably 0.5~2g/L in the alkali wash water, more preferably 1~1.5g/
L；The concentration of detergent is preferably 1~3g/L in the alkali wash water, more preferably 1.5~2.5g/L, most preferably 2g/L.At this
In invention, the detergent is that silk fabric detergent conventional in the art can choose market in the particular embodiment
The silk fabric detergent of upper common various brands directly uses, without carrying out any other processing.
After the completion of alkali cleaning, the present invention washes the tussah silk textiles after the alkali cleaning.In the present invention, the washing
Process it is preferred are as follows: successively in 70~90 DEG C of washing 3~10min, 40~60 DEG C of 3~10min of washing, 20~30 DEG C of washings 3~
10min；More preferably successively in 80 DEG C of washings 5min, 50 DEG C of washings 5min, 25 DEG C of washing 5min.
After the completion of washing, the present invention dries the tussah silk textiles after the washing.In the present invention, the temperature of the drying
Preferably 70~130 DEG C of degree, more preferably 80~120 DEG C, most preferably 105 DEG C.
The drying is completed also just to complete the degumming and bleaching to tussah silk textiles.
Tussah silk textiles cold pad--batch degumming provided by the invention-one bath method of bleaching is carried out below with reference to embodiment detailed
Explanation, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
By hydrogen peroxide, sodium hydroxide, hydrogen peroxide bleaching stabilizer FSO, urea, fatty alcohol polyoxyethylene ether is added in aqueous solution,
It is configured to padding liquid, concentration of hydrogen peroxide is 10g/L in padding liquid, and naoh concentration 10g/L, hydrogen peroxide bleaching stabilizer FSO are dense
Degree is 5g/L, and fatty alcohol polyoxyethylene ether concentration is 1g/L, urea concentration 1g/L；
Tussah silk textiles fabric is immersed in padding liquid (35 DEG C of padding liquid temperature), then by evenness calender, in repetition
Process is stated, controlling final pick-up rate is 110%；
Fabric sealing after padding is banked up 12 hours, and 35 DEG C of environment temperature；
Tussah silk textiles are taken out, is 1g/L in concentration of sodium carbonate, is washed in the alkali wash water that detergent concentration is 2g/L
10min, control wash temperature are 80 DEG C；
By tussah silk textiles 80 DEG C of washings 5min, 50 DEG C of washings 5min, 25 DEG C of washings 5min, Zhi Hou after the completion of alkali cleaning
It is dried under the conditions of 100 DEG C.
Detect the degumming rate (fabric before degumming rate=(fabric weight after fabric weight-degumming before degumming)/degumming of tussah silk textiles
Weight), can obtain degumming rate is 13.0%；
It is detected using whiteness of the whiteness test instrument to tussah silk textiles, can obtain whiteness is 72；
It is detected using ultimate strength of the electronic fabric strength tester to tussah silk textiles, can obtain ultimate strength is 520N.
Embodiment 2
By hydrogen peroxide, sodium carbonate, hydrogen peroxide bleaching stabilizer HT, urea, alkyl polyoxyethylene ether is added in aqueous solution, is configured to
Padding liquid, concentration of hydrogen peroxide is 5g/L in padding liquid, and concentration of sodium carbonate 15g/L, hydrogen peroxide bleaching stabilizer HT concentration is 5g/L, alkane
Base polyoxyethylene ether concentration is 1g/L, urea concentration 1g/L；
Tussah silk textiles fabric is immersed in padding liquid (30 DEG C of padding liquid temperature), then by evenness calender, in repetition
Process is stated, controlling final pick-up rate is 115%；
Fabric sealing after padding is banked up 24 hours, and 30 DEG C of environment temperature；
Tussah silk textiles are taken out, is 1.5g/L in concentration of sodium carbonate, is washed in the alkali wash water that detergent concentration is 2.5g/L
10min, control wash temperature are 75 DEG C；
By tussah silk textiles 75 DEG C of washings 10min, 55 DEG C of washings 5min, 30 DEG C of washing 5min after the completion of alkali cleaning, later
It is dried under the conditions of 90 DEG C.
The degumming rate of tussah silk textiles, whiteness and ultimate strength are detected according to the method in embodiment 1, can must be taken off
Glue rate is 12.8%, whiteness 74, ultimate strength 590N.
Embodiment 3
By hydrogen peroxide, sodium hydroxide, hydrogen peroxide bleaching stabilizer EB-90, urea, alkyl polyoxyethylene ether is added in aqueous solution,
It is configured to padding liquid, concentration of hydrogen peroxide is 10g/L in padding liquid, and concentration of sodium carbonate 20g/L, hydrogen peroxide bleaching stabilizer EB-90 are dense
Degree is 1g/L, and alkyl polyoxyethylene ether concentration is 0.5g/L, urea concentration 5g/L；
Tussah silk textiles fabric is immersed in padding liquid (30 DEG C of padding liquid temperature), then by evenness calender, in repetition
Process is stated, controlling final pick-up rate is 105%；
Fabric sealing after padding is banked up 18 hours, and 35 DEG C of environment temperature；
Tussah silk textiles are taken out, is 0.5g/L in concentration of sodium carbonate, is washed in the alkali wash water that detergent concentration is 1g/L
10min, control wash temperature are 80 DEG C；
By tussah silk textiles 80 DEG C of washings 5min, 40 DEG C of washings 5min, 25 DEG C of washings 5min, Zhi Hou after the completion of alkali cleaning
It is dried under the conditions of 70 DEG C.
The degumming rate of tussah silk textiles, whiteness and ultimate strength are detected according to the method in embodiment 1, can must be taken off
Glue rate is 12.5%, whiteness 75, ultimate strength 605N.
Embodiment 4
By hydrogen peroxide, sodium hydroxide, hydrogen peroxide bleaching stabilizer FSO, urea, fatty alcohol polyoxyethylene ether is added in aqueous solution,
It is configured to padding liquid, concentration of hydrogen peroxide is 12g/L, concentration of sodium carbonate 30g/L, hydrogen peroxide bleaching stabilizer FSO concentration in padding liquid
For 10g/L, alkyl polyoxyethylene ether concentration is 2g/L, urea concentration 2g/L；
Tussah silk textiles fabric is immersed in padding liquid (35 DEG C of padding liquid temperature), then by evenness calender, in repetition
Process is stated, controlling final pick-up rate is 115%；
Fabric sealing after padding is banked up 20 hours, and 35 DEG C of environment temperature；
Tussah silk textiles are taken out, is 1.5g/L in concentration of sodium carbonate, is washed in the alkali wash water that detergent concentration is 3g/L
10min, control wash temperature are 90 DEG C；
By tussah silk textiles 80 DEG C of washings 6min, 40 DEG C of washings 6min, 25 DEG C of washings 6min, Zhi Hou after the completion of alkali cleaning
It is dried under the conditions of 110 DEG C.
The degumming rate of tussah silk textiles, whiteness and ultimate strength are detected according to the method in embodiment 1, can must be taken off
Glue rate is 12.7%, whiteness 74, ultimate strength 615N.
Embodiment 5
By hydrogen peroxide, sodium hydroxide, hydrogen peroxide bleaching stabilizer HT, urea, fatty alcohol polyoxyethylene ether is added in aqueous solution, matches
It is set to padding liquid, concentration of hydrogen peroxide is 7g/L in padding liquid, and concentration of sodium carbonate 15g/L, hydrogen peroxide bleaching stabilizer HT concentration is 6g/
L, alkyl polyoxyethylene ether concentration are 1.5g/L, urea concentration 1g/L；
Tussah silk textiles fabric is immersed in padding liquid (35 DEG C of padding liquid temperature), then by evenness calender, in repetition
Process is stated, controlling final pick-up rate is 105%；
Fabric sealing after padding is banked up 15 hours, and 40 DEG C of environment temperature；
Tussah silk textiles are taken out, is 1.5g/L in concentration of sodium carbonate, is washed in the alkali wash water that detergent concentration is 2g/L
10min, control wash temperature are 80 DEG C；
By tussah silk textiles 85 DEG C of washings 6min, 45 DEG C of washings 6min, 25 DEG C of washings 6min, Zhi Hou after the completion of alkali cleaning
It is dried under the conditions of 130 DEG C.
The degumming rate of tussah silk textiles, whiteness and ultimate strength are detected according to the method in embodiment 1, can must be taken off
Glue rate is 12.5%, whiteness 76, ultimate strength 628N.
As seen from the above embodiment, tussah silk textiles degumming provided by the invention-one bath method of bleaching is under the conditions of cold dome
Tussah silk textiles are handled, mild condition, low energy consumption, realizes the degumming of tussah silk textiles, bleaches while carrying out, and degumming rate can
To reach 13%, the whiteness of tussah silk textiles can achieve 76 after processing, meet the industry requirement of tussah silk, and degumming-is bleached
The ultimate strength loss of tussah silk textiles is small in journey, and the ultimate strength of fabric still can achieve 628N after the completion of processing, strength
Better performances.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of tussah silk textiles cold pad--batch degumming-one bath method of bleaching, which comprises the following steps:
Hydrogen peroxide, alkaline agent, hydrogen peroxide bleaching stabilizer, swelling agent, bleeding agent and water are mixed, padding liquid is obtained；The swelling agent is
Urea；
The concentration of hydrogen peroxide is 5g/L in the padding liquid；
The concentration of alkaline agent is 10~30g/L in the padding liquid；
The concentration of hydrogen peroxide bleaching stabilizer is 1~10g/L in the padding liquid；
The concentration of swelling agent is 1g/L in the padding liquid；
The concentration of bleeding agent is 0.5~2g/L in the padding liquid；
Tussah silk textiles are immersed in padding liquid and are padded；The temperature padded is 30~40 DEG C；
Tussah silk textiles sealing after described pad is banked up, alkali cleaning, washing and drying；The water-washing process are as follows: successively 70
~90 DEG C of washings 3~10min, 40~60 DEG C of washings 3~10min, 20~30 DEG C of 3~10min of washing.
2. the method according to claim 1, wherein the alkaline agent is sodium hydroxide and/or sodium carbonate.
3. the method according to claim 1, wherein the hydrogen peroxide bleaching stabilizer be silicon type hydrogen peroxide bleaching stabilizer and/or
Non-silicon type hydrogen peroxide bleaching stabilizer.
4. the method according to claim 1, wherein the bleeding agent is fatty alcohol polyoxyethylene ether.
5. the method according to claim 1, wherein the pick-up rate padded is 105%~120%.
6. the method according to claim 1, wherein the temperature banked up that seals is 30~40 DEG C；It is described close
Seal time for banking up be 12~for 24 hours.
7. the method according to claim 1, wherein the temperature of the alkali cleaning is 70~90 DEG C；When the alkali cleaning
Between be 5~15min.
8. the method according to claim 1, wherein the temperature of the drying is 70~130 DEG C.
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