CN107083569B - A kind of high-quality processing and treating method of mulberry silk - Google Patents
A kind of high-quality processing and treating method of mulberry silk Download PDFInfo
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- CN107083569B CN107083569B CN201710323986.XA CN201710323986A CN107083569B CN 107083569 B CN107083569 B CN 107083569B CN 201710323986 A CN201710323986 A CN 201710323986A CN 107083569 B CN107083569 B CN 107083569B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B7/00—Obtaining silk fibres or filaments
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
- D01C3/00—Treatment of animal material, e.g. chemical scouring of wool
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
- D01C3/00—Treatment of animal material, e.g. chemical scouring of wool
- D01C3/02—De-gumming silk
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Abstract
The invention discloses a kind of high-quality processing and treating methods of mulberry silk, include the following steps：（1）Mulberry silk high temperature high pressure process,（2）Degumming process,（3）Boiling processing,（4）Immersion treatment,（5）Low-temperature treatment,（6）Warming up treatment,（7）It is dried.The present invention has carried out mulberry silk special working process, that is, effectively improves its flexibility, in turn ensures its intensity, and gas permeability, temperature tolerance etc. have improvement, overall characteristic is good, and use value is higher.
Description
Technical field
The invention belongs to textile technology fields, and in particular to a kind of high-quality processing and treating method of mulberry silk.
Background technology
Mulberry silk category protein fiber material, containing 18 kinds of amino acid, delicate, texture is smooth, and with soft
Graceful gloss, is advanced textile raw material, is known as " fiber queen ".Common silk wadding quilt is mostly processed by mulberry silk in life
Form and China's Traditional Silk industry in one of important exporting.Silk wadding quilt is with its many excellent clothes to human body
It is deep to be favored by domestic and international consumer with healthcare function.
The products such as silk wadding quilt certainly will need to carry out mulberry silk feedstock processing before processing and manufacturing, and the effect of feedstock processing
Then decide the performance of the products such as silk wadding quilt, it is therefore desirable to which the processing and treating method of mulberry silk is carried out at continuous improvement
Reason.People pursue flexibility, elasticity for promoting mulberry silk etc. more at present, to promote thermal property, skin fitting comfort level etc.,
But the usually intensity that reduces mulberry silk excessive in softening, be not easy to its subsequent processing and with other fibre compositions
Blended operation, therefore promote its comprehensive performance and seem more important.
Invention content
The purpose of the present invention is being directed to the problem of existing, a kind of high-quality processing and treating method of mulberry silk is provided.
The present invention is achieved by the following technical solutions：
A kind of high-quality processing and treating method of mulberry silk, includes the following steps：
（1）Mulberry silk high temperature high pressure process：
Mulberry silk to be processed is put into vapor tight tank, is passed through water vapour, promoted pressure in vapor tight tank for 0.6 ~
0.8MPa, temperature are 104 ~ 108 DEG C, and heat-insulation pressure keeping carries out unloading warm release processing after handling 28 ~ 34s, after the completion takes mulberry silk
Go out spare；
（2）Degumming process：
By step（1）Treated, and mulberry silk is put into scouring solution, and it is 40 ~ 45 that heating, which keeps the temperature of scouring solution,
DEG C, be stirred continuously after 40 ~ 50min of processing take out it is spare；Each substance and its weight percent are in the scouring solution：1.5~
3% enuatrol, 2 ~ 4% potassium pyrophosphates, 0.5 ~ 1.5% bleeding agent, surplus are water；
（3）Boiling is handled：
By step（2）Treated, and mulberry silk is put on food steamer, is steamed 1 ~ 2min with boiling water, is then shifted and be put into temperature
To boil 15 ~ 20min in 60 ~ 70 DEG C of water, it is drawn off after the completion rear spare；
（4）Immersion treatment：
By step（3）Treated, and mulberry silk is put into 5 ~ 10min of immersion treatment in modification liquid, is taken after the completion
Go out, it is spare to be then placed in drying process in hothouse；Each substance and its weight percent are in the modification liquid：1~2%
Dimethylformamide, 0.3 ~ 0.7% ammonium chloride, surplus are water；
（5）Low-temperature treatment：
By step（4）Cryogenic freezing processing 20 under conditions of mulberry silk is put into temperature that treated is -50 ~ -60 DEG C ~ for 24 hours
After take out it is spare；
（6）Warming up treatment：
By step（5）Treated, and mulberry silk is put into temperature-changing chamber, with the speed of 2 ~ 3 DEG C/min to the mulberry after freezing processing
Silk carries out heating treatment, until restoring to room temperature；
（7）It is dried：
To step（6）After treated the conventional drying of mulberry silk progress, wire drawing process.
Further, step（1）Described in warm release processing of unloading be that the temperature and pressure in vapor tight tank is extensive in 3s
Again to normal temperature and pressure.
Further, step（2）Described in degumming process when, be also applied with frequency be 23 ~ 25kHz ultrasonic wave carry out
Processing.
Further, step（2）Described in bleeding agent for sodium secondary alkyl sulfonate, fatty alcohol polyoxyethylene ether, alkyl phenol
Any one in polyoxyethylene ether.
Further, step（4）Described in processing is dried to mulberry silk after, the water content of mulberry silk for 45 ~
50%。
Further, step（6）Described in the indoor relative humidity of alternating temperature remain 65 ~ 75%.
It is in traditional processing method to take a fancy to the flexibility for promoting mulberry silk more, after the processing such as multiple softening, boiling, greatly
Width reduces its intensity, is unfavorable for subsequent working process, this present invention is improved.Mulberry silk is first put into vapor tight tank
It is interior, carry out high temperature high pressure process, then quickly unload warm release, can effectively loose mulberry silk fiber internal structure, and then promoted
The treatment effects such as its flexibility and subsequent degumming, then reasonable preparation scouring solution degumming process is carried out to mulberry silk,
The removal effect to pectic substance, waxy substance, nitrogen substance etc. is improved, improves the quality and characteristic of mulberry silk, it is then right
It carries out boiling processing, can remove the impurity such as remaining solution on mulberry silk, and play bating effect, puts it into again later
Immersion treatment is carried out into modification liquid, is at this time penetrated into dimethylformamide and ammonium chloride ingredient in mulberry silk, after being
Continuous processing is prepared, and then modified mulberry silk is put under low temperature environment and carries out freezing processing, is crystallized at this time using moisture
Expansion forms hole, crack etc. in mulberry silk fiber internal stress, its further loose structure, whole soft convenient for improving
Soft, compression ratio etc., and in order to avoid the excess destruction to intensity, immersion modification is carried out to mulberry silk in advance, low
Dimethylformamide and ammonium chloride can form hydrogen bond with mulberry silk fiber molecule interchain under warm environment, improve in strand and divide
The generation rate of sub- interchain hydrogen bond promotes fibroin random coil and α-helixstructure and turns to more stable beta sheet structure
Become, and then improve integrally-built stability and intensity, while the mulberry silk surface area increase after low-temperature treatment, breathe freely
Property more preferably, temperature tolerance promoted.
The present invention has the following advantages compared with prior art：
The present invention has carried out mulberry silk special working process, that is, effectively improves its flexibility, in turn ensures that it is strong
Degree, and gas permeability, temperature tolerance etc. have improvement, overall characteristic is good, and use value is higher.
Specific embodiment
Embodiment 1
A kind of high-quality processing and treating method of mulberry silk, includes the following steps：
（1）Mulberry silk high temperature high pressure process：
Mulberry silk to be processed is put into vapor tight tank, is passed through water vapour, the pressure promoted in vapor tight tank is 0.6MPa, temperature
It is 104 DEG C to spend, and carries out unloading warm release processing after heat-insulation pressure keeping processing 28s, after the completion take out mulberry silk spare；
（2）Degumming process：
By step（1）Treated, and mulberry silk is put into scouring solution, and it is 40 DEG C that heating, which keeps the temperature of scouring solution, no
It is taken out after disconnected stir process 40min spare；Each substance and its weight percent are in the scouring solution：1.5% enuatrol,
2% potassium pyrophosphate, 0.5% bleeding agent, surplus are water；
（3）Boiling is handled：
By step（2）Treated, and mulberry silk is put on food steamer, is steamed 1min with boiling water, is then shifted being put into temperature and be
15min is boiled in 60 DEG C of water, is drawn off after the completion rear spare；
（4）Immersion treatment：
By step（3）Treated, and mulberry silk is put into immersion treatment 5min in modification liquid, is drawn off after the completion, so
After be put into hothouse be dried it is spare；Each substance and its weight percent are in the modification liquid：1% dimethyl
Formamide, 0.3% ammonium chloride, surplus are water；
（5）Low-temperature treatment：
By step（4）Under conditions of mulberry silk is put into temperature that treated is -50 DEG C cryogenic freezing handle take out after 20h it is standby
With；
（6）Warming up treatment：
By step（5）Treated, and mulberry silk is put into temperature-changing chamber, with the speed of 2 DEG C/min to the silkworm after freezing processing
Silk carries out heating treatment, until restoring to room temperature；
（7）It is dried：
To step（6）After treated the conventional drying of mulberry silk progress, wire drawing process.
Further, step（1）Described in warm release processing of unloading be that the temperature and pressure in vapor tight tank is extensive in 3s
Again to normal temperature and pressure.
Further, step（2）Described in degumming process when, be also applied with frequency be 23kHz ultrasonic wave at
Reason.
Further, step（2）Described in bleeding agent be sodium secondary alkyl sulfonate.
Further, step（4）Described in processing is dried to mulberry silk after, the water content of mulberry silk for 45 ~
50%。
Further, step（6）Described in the indoor relative humidity of alternating temperature remain 65 ~ 75%.
Embodiment 2
A kind of high-quality processing and treating method of mulberry silk, includes the following steps：
（1）Mulberry silk high temperature high pressure process：
Mulberry silk to be processed is put into vapor tight tank, is passed through water vapour, the pressure promoted in vapor tight tank is 0.7MPa, temperature
It is 106 DEG C to spend, and carries out unloading warm release processing after heat-insulation pressure keeping processing 30s, after the completion take out mulberry silk spare；
（2）Degumming process：
By step（1）Treated, and mulberry silk is put into scouring solution, and it is 42 DEG C that heating, which keeps the temperature of scouring solution, no
It is taken out after disconnected stir process 45min spare；Each substance and its weight percent are in the scouring solution：2.5% enuatrol,
3% potassium pyrophosphate, 1% bleeding agent, surplus are water；
（3）Boiling is handled：
By step（2）Treated, and mulberry silk is put on food steamer, is steamed 1.5min with boiling water, is then shifted and be put into temperature
To boil 18min in 65 DEG C of water, it is drawn off after the completion rear spare；
（4）Immersion treatment：
By step（3）Treated, and mulberry silk is put into immersion treatment 8min in modification liquid, is drawn off after the completion, so
After be put into hothouse be dried it is spare；Each substance and its weight percent are in the modification liquid：1.5% diformazan
Base formamide, 0.5% ammonium chloride, surplus are water；
（5）Low-temperature treatment：
By step（4）Under conditions of mulberry silk is put into temperature that treated is -55 DEG C cryogenic freezing handle take out after 22h it is standby
With；
（6）Warming up treatment：
By step（5）Treated, and mulberry silk is put into temperature-changing chamber, with the speed of 2.5 DEG C/min to the mulberry after freezing processing
Silk carries out heating treatment, until restoring to room temperature；
（7）It is dried：
To step（6）After treated the conventional drying of mulberry silk progress, wire drawing process.
Further, step（1）Described in warm release processing of unloading be that the temperature and pressure in vapor tight tank is extensive in 3s
Again to normal temperature and pressure.
Further, step（2）Described in degumming process when, be also applied with frequency be 24kHz ultrasonic wave at
Reason.
Further, step（2）Described in bleeding agent be fatty alcohol polyoxyethylene ether.
Further, step（4）Described in processing is dried to mulberry silk after, the water content of mulberry silk for 45 ~
50%。
Further, step（6）Described in the indoor relative humidity of alternating temperature remain 65 ~ 75%.
Embodiment 3
A kind of high-quality processing and treating method of mulberry silk, includes the following steps：
（1）Mulberry silk high temperature high pressure process：
Mulberry silk to be processed is put into vapor tight tank, is passed through water vapour, the pressure promoted in vapor tight tank is 0.8MPa, temperature
It is 108 DEG C to spend, and carries out unloading warm release processing after heat-insulation pressure keeping processing 34s, after the completion take out mulberry silk spare；
（2）Degumming process：
By step（1）Treated, and mulberry silk is put into scouring solution, and it is 45 DEG C that heating, which keeps the temperature of scouring solution, no
It is taken out after disconnected stir process 50min spare；Each substance and its weight percent are in the scouring solution：3% enuatrol, 4%
Potassium pyrophosphate, 1.5% bleeding agent, surplus are water；
（3）Boiling is handled：
By step（2）Treated, and mulberry silk is put on food steamer, is steamed 2min with boiling water, is then shifted being put into temperature and be
20min is boiled in 70 DEG C of water, is drawn off after the completion rear spare；
（4）Immersion treatment：
By step（3）Treated, and mulberry silk is put into immersion treatment 10min in modification liquid, is drawn off after the completion,
It is spare to be then placed in drying process in hothouse；Each substance and its weight percent are in the modification liquid：2% diformazan
Base formamide, 0.7% ammonium chloride, surplus are water；
（5）Low-temperature treatment：
By step（4）Cryogenic freezing processing is taken out standby afterwards for 24 hours under conditions of mulberry silk is put into temperature that treated is -60 DEG C
With；
（6）Warming up treatment：
By step（5）Treated, and mulberry silk is put into temperature-changing chamber, with the speed of 3 DEG C/min to the silkworm after freezing processing
Silk carries out heating treatment, until restoring to room temperature；
（7）It is dried：
To step（6）After treated the conventional drying of mulberry silk progress, wire drawing process.
Further, step（1）Described in warm release processing of unloading be that the temperature and pressure in vapor tight tank is extensive in 3s
Again to normal temperature and pressure.
Further, step（2）Described in degumming process when, be also applied with frequency be 25kHz ultrasonic wave at
Reason.
Further, step（2）Described in bleeding agent be alkyl phenol polyoxyethylene ether.
Further, step（4）Described in processing is dried to mulberry silk after, the water content of mulberry silk for 45 ~
50%。
Further, step（6）Described in the indoor relative humidity of alternating temperature remain 65 ~ 75%.
Comparative example 1
This comparative example 1 compared with Example 2, saves step（1）Mulberry silk high temperature high pressure process, method in addition to this
Step all same.
Comparative example 2
This comparative example 2 compared with Example 2, saves step（4）Immersion treatment, method and step in addition to this are homogeneous
Together.
Comparative example 3
This comparative example 3 compared with Example 2, saves step（5）Low-temperature treatment, method and step in addition to this are homogeneous
Together.
Comparative example 4
This comparative example 4 compared with Example 2, saves step（4）Immersion treatment and step（5）Low-temperature treatment, except this
Outer method and step all same.
Control group
Existing mulberry silk processing and treating method.
In order to compare effect of the present invention, the mulberry silk of the same a batch harvesting of selection is right again after being grouped at random as experimental subjects
Using above-described embodiment 2, comparative example 1, comparative example 2, comparative example 3, comparative example 4, the method for control group
It is processed, then the mulberry silk after working process is tested for the property, specific correction data is as shown in table 1 below：
Table 1
| Initial modulus（CN/dtex） | Compression ratio（%） | Strongly（cN） | |
| Embodiment 2 | 1.82 | 60.5 | 78.1 |
| Comparative example 1 | 2.71 | 55.1 | 73.7 |
| Comparative example 2 | 1.90 | 59.3 | 70.0 |
| Comparative example 3 | 3.66 | 54.3 | 69.4 |
| Comparative example 4 | 4.26 | 53.8 | 67.2 |
| Control group | 5.31 | 52.6 | 66.8 |
Note：Initial modulus described in upper table 1 be test each group alignment processing after mulberry silk fiber initial modulus, tool
Body is tested using single fiber electronics strength tester；The compression ratio is according to textile industry standard FZ/T43061-2003's
It is required that it is tested；The strength is equally tested using single fiber electronics strength tester.
The initial modulus parameter of the present invention treated mulberry silk declines it can be seen from upper table 1, shows its pliability
More preferably, compression ratio parameter is promoted, and shows its bulkiness more preferably, and strength parameter increases, and shows that its intensity is stronger, uses overall characteristic
Preferably, the more market competitiveness.
Claims (6)
1. the high-quality processing and treating method of a kind of mulberry silk, which is characterized in that include the following steps：
（1）Mulberry silk high temperature high pressure process：
Mulberry silk to be processed is put into vapor tight tank, is passed through water vapour, the pressure promoted in vapor tight tank is 0.6 ~ 0.8MPa, temperature
It is 104 ~ 108 DEG C to spend, and heat-insulation pressure keeping carries out unloading warm release processing after handling 28 ~ 34s, after the completion takes out mulberry silk spare；
（2）Degumming process：
By step（1）Treated, and mulberry silk is put into scouring solution, and it is 40 ~ 45 DEG C that heating, which keeps the temperature of scouring solution, no
It is taken out after 40 ~ 50min of disconnected stir process spare；Each substance and its weight percent are in the scouring solution：1.5 ~ 3% oil
Sour sodium, 2 ~ 4% potassium pyrophosphates, 0.5 ~ 1.5% bleeding agent, surplus are water；
（3）Boiling is handled：
By step（2）Treated, and mulberry silk is put on food steamer, with boiling water steam 1 ~ 2min, then shift be put into temperature be 60
15 ~ 20min is boiled in ~ 70 DEG C of water, is drawn off after the completion rear spare；
（4）Immersion treatment：
By step（3）Treated, and mulberry silk is put into 5 ~ 10min of immersion treatment in modification liquid, is drawn off after the completion, so
After be put into hothouse be dried it is spare；Each substance and its weight percent are in the modification liquid：1 ~ 2% diformazan
Base formamide, 0.3 ~ 0.7% ammonium chloride, surplus are water；
（5）Low-temperature treatment：
By step（4）Cryogenic freezing processing 20 under conditions of mulberry silk is put into temperature that treated is -50 ~ -60 DEG C ~ take afterwards for 24 hours
Go out spare；
（6）Warming up treatment：
By step（5）Treated, and mulberry silk is put into temperature-changing chamber, with the speed of 2 ~ 3 DEG C/min to the mulberry silk after freezing processing
Heating treatment is carried out, until restoring to room temperature；
（7）It is dried：
To step（6）After treated the conventional drying of mulberry silk progress, wire drawing process.
A kind of 2. high-quality processing and treating method of mulberry silk according to claim 1, which is characterized in that step（1）In
The warm release processing of unloading is to restore the temperature and pressure in vapor tight tank to normal temperature and pressure in 3s.
A kind of 3. high-quality processing and treating method of mulberry silk according to claim 1, which is characterized in that step（2）In
During described degumming process, also it is applied with the ultrasonic wave that frequency is 23 ~ 25kHz and is handled.
A kind of 4. high-quality processing and treating method of mulberry silk according to claim 1, which is characterized in that step（2）In
The bleeding agent is any one in sodium secondary alkyl sulfonate, fatty alcohol polyoxyethylene ether, alkyl phenol polyoxyethylene ether.
A kind of 5. high-quality processing and treating method of mulberry silk according to claim 1, which is characterized in that step（4）In
It is described processing is dried to mulberry silk after, the water content of mulberry silk is 45 ~ 50%.
A kind of 6. high-quality processing and treating method of mulberry silk according to claim 1, which is characterized in that step（6）In
The indoor relative humidity of the alternating temperature remains 65 ~ 75%.
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