CN109082877A - A kind of bleaching process of purple cashmere - Google Patents
A kind of bleaching process of purple cashmere Download PDFInfo
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- CN109082877A CN109082877A CN201810983269.4A CN201810983269A CN109082877A CN 109082877 A CN109082877 A CN 109082877A CN 201810983269 A CN201810983269 A CN 201810983269A CN 109082877 A CN109082877 A CN 109082877A
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- cashmere
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- bleaching process
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/54—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur dioxide; with sulfurous acid or its salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
- D06M11/56—Sulfates or thiosulfates other than of elements of Groups 3 or 13 of the Periodic System
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/165—Ethers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a kind of bleaching process of purple cashmere, including cashmere cleaning, ferrous complexing, oxidative decoloration and reduction four steps, the bleaching process of the purple cashmere increases ferrous complexation approach, pigment can be complexed to form chelate with ferrous ion in purple cashmere, it is bleached again by redox, purple cashmere is overall white after bleaching, and cashmere fiber whiteness significantly improves and weight loss control is within 5%, and the influence to cashmere configuration and structure strength is smaller.
Description
Technical field
The present invention relates to cashmere processing technology fields, and in particular to a kind of bleaching process of purple cashmere.
Background technique
Cashmere is thin and curved fiber one by one, wherein containing many air, and forms air layer, can be defendd outer
Carry out the invasion of cold air, retaining body temperature will not lower.Cashmere is thinner than wool very much, and outer scale is also finer and closely woven than wool, smooth, because
This, light-weight, soft, good toughness.It is particularly suitable for manufacturing underwear, it is light, soft, soft, sliding when wearing next to the skin, as snug as a bug in a rug.
Purple suede means black goat suede produced, and the black wool and suede color in purple suede are more clearly demarcated, traditional production technology benefit
It is produce dark product with the purple of looks more, but the whiter suede of its yield is much higher, and on the market for the demand of Aries suede
It is larger.Decoloration process directlys adopt hydrogen peroxide oxidation decoloration more in the prior art, but decolorizing effect is poor, to the fiber of cashmere
Intensity effect is larger.Therefore, one of the technical issues of how purple suede being bleached the colour of camel's hair, be puzzlement those skilled in the art.
Summary of the invention
It is an object of the present invention to overcoming defect existing in the prior art, a kind of bleaching work of purple cashmere is provided
Skill, the cashmere after above-mentioned decolorization have good whiteness and preferable dyeability.
To achieve the above object, the technical solution of the present invention is as follows: a kind of bleaching process of purple cashmere, which is characterized in that packet
Include following steps:
S1: cleaning cashmere, drying;
S2: cashmere obtained by S1 is placed in enveloping agent solution, and based on cashmere weight, the composition of enveloping agent solution includes 3~5owf%
Ferrous sulfate, the citric acid of 2~3 owf %, the sodium hydrosulfite of 2.5~4 owf%, 2.5~4 owf% polyethylene glycol 400s, 50~
60 DEG C of 2~3h of water-bath take out cashmere, drying;
S3: cashmere obtained by S2 is placed in containing hydrogen peroxide stabilizer, weak acid, 30%H2O2Oxidative decoloration solution in, 50~60 DEG C
2~3h of water-bath, the pH value of oxidative decoloration solution are 6.7~7, wash cashmere;
S4: cashmere obtained by S3 is placed in insurance amidin and is rinsed at least twice, the cashmere of bleaching is obtained.
Preferred technical solution is, hydrogen peroxide stabilizer is that poly- a- hydroxy acrylic acid salt, polyacrylamide are steady in S3
Determine one of agent or two or more combinations.
Preferred technical solution is that weak acid is selected from one of orthophosphoric acid, formic acid, acetic acid and benzoic acid or two in S3
Kind or more combination.
Preferred technical solution is 30%H in S32O2Dosage be 10~15 owf %, the 30%H2O2For the side of dropwise addition
Formula is added in S3 reaction system.
Preferred technical solution is to clean cashmere using acetone in S1.
The advantages and beneficial effects of the present invention are:
The bleaching process of the purple cashmere increases ferrous complexation approach, and pigment can be complexed to be formed with ferrous ion in purple cashmere
Chelate, then bleached by redox, purple cashmere is overall white after bleaching, cashmere fiber whiteness significantly improve and
Weight loss controls within 5%, and the influence to cashmere configuration and structure strength is smaller.
Specific embodiment
With reference to embodiment, the specific embodiment of the present invention is further described.Following embodiment is only used for more
Add and clearly demonstrate technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1
The bleaching process of the purple cashmere of embodiment 1 the following steps are included:
S1: cleaning cashmere, drying;
S2: cashmere obtained by S1 is placed in enveloping agent solution, and based on cashmere weight, the composition of enveloping agent solution includes 3owf%'s
Ferrous sulfate, the citric acid of 3 owf %, the sodium hydrosulfite of 2.5 owf%, 4 owf% polyethylene glycol 400s, 50 DEG C of water-bath 2h take out sheep
Suede, drying;
S3: cashmere obtained by S2 is placed in containing hydrogen peroxide stabilizer, weak acid, 30%H2O2Oxidative decoloration solution in, 60 DEG C of water-baths
2h, the pH value of oxidative decoloration solution are 7, wash cashmere;
S4: cashmere obtained by S3 is placed in insurance amidin and is rinsed at least twice, the cashmere of bleaching is obtained.
Hydrogen peroxide stabilizer is sodium metasilicate in S3
Weak acid is selected from one of orthophosphoric acid, formic acid, acetic acid and benzoic acid or two or more combinations in S3.
30%H in S32O2Dosage be 10 owf %, hydrogen peroxide is directly added into oxidative decoloration solution.
The aqueous solution that 8 owf % of lauric acid diethyl amide is used in S1, is heated to 45 DEG C of cleaning cashmere.
Embodiment 2
Embodiment 2 the difference from embodiment 1 is that: the composition of S2 enveloping agent solution includes the ferrous sulfate of 5owf%, 2owf %
Citric acid, the sodium hydrosulfite of 4 owf%, 2.5owf% polyethylene glycol 400,50 DEG C of water-bath 3h;
50 DEG C of water-bath 3h in S3, the pH value of oxidative decoloration solution are 6.7;
Hydrogen peroxide stabilizer is poly- a- hydroxy acrylic acid brine in S3.Weak acid is orthophosphoric acid in S3.30%H in S32O2Dosage be
10owf %, 30%H2O2It is added in S3 reaction system for the mode of dropwise addition.
Embodiment 3
Embodiment 3 the difference from embodiment 1 is that: S2 enveloping agent solution composition include 4owf% ferrous sulfate, 2.5owf %
Citric acid, the sodium hydrosulfite of 3.2owf%, 3.2owf% polyethylene glycol 400,55 DEG C of water-bath 2.5h;
55 DEG C of water-bath 2.5h in S3, the pH value of oxidative decoloration solution are 6.85;
Hydrogen peroxide stabilizer is polyacrylamide stabilizer in S3.Weak acid is acetic acid in S3.30%H in S32O2Dosage be 15
Owf %, 30%H2O2It is added for each 5 owf % in two batches.
Cashmere is cleaned using acetone in S1.It is cleaned by ultrasonic 3min under room temperature.
Comparative example
Comparative example is based on embodiment 1, including S1, S3, S4.
The color of cashmere obtained by comparative example is compared with the dark color of purple cashmere, and color is slightly light but turns to be yellow, when extending oxidation bleaching
Between, lighter but ye emphasis, and the mass loss of cashmere fiber is up to 8% or so, it is larger to wool strong influence.
Embodiment 1-3 cashmere decoloration front and back mass loss 5% hereinafter, cashmere fiber damage it is less, it is strong for cashmere structure
The influence of the performances such as power is also smaller, and mass loss is small reduces economic loss, and wool whiteness improves about 39%.
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, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of bleaching process of purple cashmere, which comprises the following steps:
S1: cleaning cashmere, drying;
S2: cashmere obtained by S1 is placed in enveloping agent solution, and based on cashmere weight, the composition of enveloping agent solution includes 3~5owf%
Ferrous sulfate, the citric acid of 2~3 owf %, the sodium hydrosulfite of 2.5~4 owf%, 2.5~4 owf% polyethylene glycol 400s, 50~
60 DEG C of 2~3h of water-bath take out cashmere, drying;
S3: cashmere obtained by S2 is placed in containing hydrogen peroxide stabilizer, weak acid, 30%H2O2Oxidative decoloration solution in, 50~60 DEG C
2~3h of water-bath, the pH value of oxidative decoloration solution are 6.7~7, wash cashmere;
S4: cashmere obtained by S3 is placed in insurance amidin and is rinsed at least twice, the cashmere of bleaching is obtained.
2. the bleaching process of purple cashmere according to claim 1, which is characterized in that hydrogen peroxide stabilizer is poly- a- hydroxyl in S3
One of base Acrylates, polyacrylamide stabilizer or two or more combinations.
3. the bleaching process of purple cashmere according to claim 2, which is characterized in that weak acid is selected from orthophosphoric acid, first in S3
One of acid, acetic acid and benzoic acid or two or more combinations.
4. the bleaching process of purple cashmere according to claim 3, which is characterized in that 30%H in S32O2Dosage be 10~15
Owf %, the 30%H2O2It is added in S3 reaction system for the mode of dropwise addition.
5. the bleaching process of purple cashmere according to claim 1, which is characterized in that clean cashmere using acetone in S1.
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CN201810983269.4A CN109082877A (en) | 2018-08-27 | 2018-08-27 | A kind of bleaching process of purple cashmere |
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CN201810983269.4A CN109082877A (en) | 2018-08-27 | 2018-08-27 | A kind of bleaching process of purple cashmere |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113322663A (en) * | 2021-03-30 | 2021-08-31 | 江苏联宏纺织有限公司 | Decolorizing process for blue velvet and purple velvet |
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CN103882722A (en) * | 2014-03-10 | 2014-06-25 | 新疆华春毛纺有限公司 | Grey cashmere discoloring method |
CN105040400A (en) * | 2015-04-02 | 2015-11-11 | 宁夏中银绒业股份有限公司 | Improved cashmere oxidation-reduction bleaching method |
CN107059385A (en) * | 2017-04-17 | 2017-08-18 | 武汉纺织大学 | It is a kind of to improve the discoloration method of coloured suede strength |
CN107059386A (en) * | 2017-04-17 | 2017-08-18 | 武汉纺织大学 | A kind of coloured suede cold pad--batch discoloration method |
CN108085958A (en) * | 2017-12-07 | 2018-05-29 | 桐乡市东企纤维整理有限公司 | A kind of cashmere is stripped technique |
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2018
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Patent Citations (5)
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CN103882722A (en) * | 2014-03-10 | 2014-06-25 | 新疆华春毛纺有限公司 | Grey cashmere discoloring method |
CN105040400A (en) * | 2015-04-02 | 2015-11-11 | 宁夏中银绒业股份有限公司 | Improved cashmere oxidation-reduction bleaching method |
CN107059385A (en) * | 2017-04-17 | 2017-08-18 | 武汉纺织大学 | It is a kind of to improve the discoloration method of coloured suede strength |
CN107059386A (en) * | 2017-04-17 | 2017-08-18 | 武汉纺织大学 | A kind of coloured suede cold pad--batch discoloration method |
CN108085958A (en) * | 2017-12-07 | 2018-05-29 | 桐乡市东企纤维整理有限公司 | A kind of cashmere is stripped technique |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113322663A (en) * | 2021-03-30 | 2021-08-31 | 江苏联宏纺织有限公司 | Decolorizing process for blue velvet and purple velvet |
CN113322663B (en) * | 2021-03-30 | 2023-03-10 | 江苏联宏纺织有限公司 | Green velvet and purple velvet decoloring process |
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Application publication date: 20181225 |