CN102605652A - Method for dyeing pure silk by regarding rare earth material as mordant - Google Patents
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- CN102605652A CN102605652A CN2012100357448A CN201210035744A CN102605652A CN 102605652 A CN102605652 A CN 102605652A CN 2012100357448 A CN2012100357448 A CN 2012100357448A CN 201210035744 A CN201210035744 A CN 201210035744A CN 102605652 A CN102605652 A CN 102605652A
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Abstract
The invention relates to a method for dyeing pure silk by regarding a rare earth material as a mordant. The adopted technical scheme is as follows: taking a bleaching liquor according to a bath ratio of 1: (25-35) and pre-treating at a temperature of 90 DEG C; washing the pre-treated pure silk with a water washing liquor for twice to three times; dewatering and drying the pure silk; taking a dye liquor according to a bath ratio of 1: (25-35), adjusting pH of the dye liquor to 3-3.5, heating the dye liquor to 50 DEG C; adding the dried pure silk in the dye liquor and heating to 90 DEG C at a temperature rise speed of 2 DEG C per each minute, keeping the heat for 30-40 min and then cooling to 70 DEG C; and adding a rare-earth solution to soak the pure silk for 10-15 min, then heating to 90 DEG C at a temperature rise speed of 2 DEG C per each minute, keeping the heat for 30-40 min, washing with clear water for twice to three times, dewatering and drying. By adopting the method for dyeing the pure silk by regarding the rare earth material as the mordant, disclosed by the invention, color fastness requirements needed by the production of green environment-friendly textiles not only can be satisfied, but pollution from the traditional mordants to the environment can also be avoided.
Description
Technical field
The present invention relates to field of textiles, particularly a kind of rare-earth substance that adopts is the colouring method of mordant to silk broadcloth.
Background technology
Silk broadcloth is graceful noble, and is good with the compatibility of skin, softness comfortable and easy to wear, and moisture absorption is warming, can prevent skin disease effectively.With natural plant dye dyeing green, environmental protection; Can make the good character of silk broadcloth more become perfect; Become real " complete green lining ",, will constantly increase the demand of this " complete green lining " in back to nature, today of paying attention to environmental protection, advocating green and pursuing individualityization.The application of natural plant dye has long history, but most of natural plant dye is low to the affinity of fiber, must just can anchor on the fiber by mordant, accomplishes coloration of textile materials.In traditional mordant dyeing technology, mordant commonly used is heavy metal ion mostly, as: copper, iron, chromium or aluminium etc.But heavy metal ion content is restricted in forbidding and the textiles along with part kind in the synthetic dyestuffs receives, and makes to select for use new mordant to replace the vital task that traditional heavy metal ion becomes the ecological processing of present development textiles.
Summary of the invention
In order to overcome the above problems, the present invention provides a kind of employing rare-earth substance as mordant silk broadcloth to be dyeed, and both can satisfy the needed dyefastness requirement of production environmental protection textiles, can avoid traditional mordant to pollution that environment brought again.
The technical scheme that the present invention adopts is: be the silk broadcloth dying method of mordant with the rare-earth substance, step is following:
1) preliminary treatment: get bleaching liquid by bath raio 1:25~35, bleaching liquid is warming up to 98 ℃, add silk broadcloth, keeping temperature is 98 ℃, soaks 30~40 minutes; Described bleaching liquid consists of: add 5~15g hydrogen peroxide solution, 2~3g soda ash, 1.5~2.5g paregal O and 2~4g sodium metasilicate in per 1 premium on currency;
2) washing: pretreated silk broadcloth is washed 2~3 times with water lotion; Described water lotion is: getting clear water adjusting PH is 5.5~6.5;
3) dehydration: after the washing, dehydration, drying;
4) dyeing: get dye liquor by bath raio 1:25 ~ 35, the PH that regulates dye liquor is 3~3.5, is warming up to 50 ℃, adds through the 3rd) the dried silk broadcloth of step; Heat up 2 ℃ to 98 ℃ with per minute, be incubated 30 ~ 40 minutes, be cooled to 70 ℃ then, add earth solution; Soaked 10 ~ 15 minutes, and heated up 2 ℃ to 98 ℃ with per minute again, be incubated 30~40 minutes; Clean 2~3 times dehydration, drying with clear water.
Above-mentioned is the silk broadcloth dying method of mordant with the rare-earth substance, being formulated as of dye liquor: add 0.05~7g vegetable colour in per 1 premium on currency; Preferably, vegetable colour be safflower, Asian puccoon, Chinese gall, indigo, lac is red, Gardenia Yellow, gardenia blue or safflower yellow.
The present invention adopts rare-earth substance as mordant, and preferred rare-earth substance is Pr
20
3, Nd
20
3, Ce
2(C0
3)
3Or La
20
3Because powdery rare earth material indissoluble in dyeing course separates, so the present invention at first is mixed with earth solution with rare-earth substance, in dyeing course, adds rare-earth substance with the form of earth solution, to strengthen its mordant dyeing effect.Concrete method for making is: calculate by the rare-earth substance that adds 0.5~1.0g in per 1 liter of dye liquor, accurately take by weighing a certain amount of rare-earth substance, add 50% (v/v) hydrochloric acid solution, heating for dissolving adds water and is made into earth solution.
Through a large amount of experiments in early stage, when being dyestuff, with Rare-Earth Ce with the safflower
2(C0
3)
3Be mordant, best results.When being dyestuff, with rare earth La with the Asian puccoon
20
3Be mordant, best results.With Chinese gall, indigo, lac is red, when Gardenia Yellow, gardenia blue or safflower yellow are dyestuff, with rare earth Pr
20
3Or Nd
20
3Be mordant.
The invention has the beneficial effects as follows: adopt method of the present invention: 1. can just can reach dyeing equilibrium at short dyeing time.2. rare earth is used for natural plant dye as mordant silk fabrics is dyeed, and can improve the dye uptake that dyes appearance and apparent color depth significantly, has good short dying and increases dark effect, and relevant dyefastness also is improved to some extent.Simultaneously, the mordant dyeing interaction energy of rare earth improves the level-dyeing property of DYED FABRICS, thereby obtains better Color.3. adopt the mordant of the rare earth pollution-free, that consumption is low as natural plant dye dyeing silk fabric; Can satisfy the needed dyefastness requirement of production environmental protection textiles; Avoid traditional mordant to the pollution that product and environment brought, have broad application prospects.
Description of drawings
Fig. 1 is the comparison diagram of the dye uptake of four kinds of natural plants fuel;
Among the figure, 1 is safflower, and 2 is Asian puccoon, and 3 is Chinese gall, and 4 is indigo.
The specific embodiment
Method of testing:
Dye uptake:Adopt AAS.Dye uptake=(1-nA/mA
0) * 100%, in the formula: m is the multiple that dye liquor dilutes after the dyeing for the multiple of the preceding dye liquor dilution of dyeing, n, A dilutes the absorbance after n times, A for the back dye liquor that dyes
0For dye liquor before dyeing dilutes the absorbance after m times.
Dye a kind K/S value:Use K/S value and the index of correlation of SF600 type computer color measurement and color match appearance by operational procedure test stained specimens.
Color fastness to washing:Test on the ROACHES launderometer by GB/T3921.1-1997 " textile color stability test color fastness to washing: test l ".
Colour fastness to rubbing:Test on AtlasCM one 5 type crock fastness appearance by GB/T3920.1997 " textile color stability test colour fastness to rubbing ".
Colour fastness to perspiration:Test on YG63 1 type perspi ration test appearance by GB/T3922-1995 " textiles colour fastness to perspiration test method ".
Embodiment 1 is the silk broadcloth dying method of mordant with the rare-earth substance
Step is following:
1) preliminary treatment: 1:30 gets bleaching liquid by bath raio, and bleaching liquid is warming up to 98 ℃, adds silk broadcloth, and keeping temperature is 98 ℃, soaks 30 minutes; Described bleaching liquid consists of: add 10g hydrogen peroxide solution, 2.5g soda ash, 2g paregal O and 3g sodium metasilicate in per 1 premium on currency;
2) washing: pretreated silk broadcloth is washed 3 times with water lotion; Described water lotion is: getting clear water use acetic acid adjusting PH is 6;
3) dehydration: after the washing, dehydration, drying;
4) dyeing
The preparation of dye liquor: add 1.5g vegetable colour safflower in per 1 premium on currency;
The preparation of earth solution: by the rare-earth substance Ce that adds 0.8g in per 1 liter of dye liquor
2(C0
3)
3Calculate, accurately take by weighing a certain amount of rare-earth substance Ce
2(C0
3)
3, adding 50% (v/v) hydrochloric acid solution, heating for dissolving adds water and is made into earth solution;
1:30 gets dye liquor by bath raio, uses acetic acid to regulate PH dye liquor and is 3, is warming up to 50 ℃, adds through the 3rd) the dried silk broadcloth of step; Heat up 2 ℃ to 98 ℃ with per minute, be incubated 30 minutes, be cooled to 70 ℃ then, add earth solution; Soaked 10 minutes, and heated up 2 ℃ to 98 ℃ with per minute again, be incubated 30 minutes; Clean 3 times dehydration, drying with clear water.
Contrast test:1) to 3) step is the same, and 4) dyeing: 1:30 gets dye liquor by bath raio, uses acetic acid to regulate PH dye liquor and is 3, is warming up to 50 ℃; Add through the 3rd) the dried silk broadcloth of step, heat up 2 ℃ to 98 ℃ with per minute, be incubated 60 minutes; Clean 3 times dehydration, drying with clear water.The result sees Fig. 1, table 1 and table 2.
Adopt Ce
2(C0
3)
3As the mordant of dyeing silk silk fabric on the safflower, can obviously improve the dye uptake and the apparent color depth K/S value that gets of dying appearance.Can find out that by Fig. 1 dye uptake brings up to 97.27% from 60.13%.Apparent that color depth K/S value improves 33.34%.The method of the present invention that adopts is described, rare earth can change molecular structure of dye with attached to the dye molecule generation complexing on the fiber, and the dye molecule quality is increased, and significantly increases dark effect thereby play.As mordant, fabric being carried out mordant dying with rare earth, is exactly that natural dye-rare earth-fabric three forms the process of stable comple.
Can find out by table 1; Adopt rare earth as the mordant of natural dye to silk broadcloth dying; The part dyefastness that dyes appearance is improved to some extent, and explains that rare earth element and dye molecule, fiber form the stability that complex compound can improve dye molecule, have certain tint retention.Because the radius of rare earth ion is only 2 * 10
-10Below the m; Can be preferentially and the natural dye molecule get into the amorphous area even the crystal region edge of fiber; And make the swelling of fiber swelling by the associated water molecule; Again by the complexing of heart ion wherein, ligand such as the amino that is contained with the natural dye molecule, hydroxyl, carboxyl, sulfonic group and cellulose macromolecule institute hydroxyl form complicated polynary complexing, thereby obtain the raising of natural dye dying fastness.
Can be found out that by table 2 through the mordant dyeing effect of rare earth, the dyeing silk fabric can obviously improve the level-dyeing property that dyes appearance on the natural dye, the average color difference is reduced to 0.28 by 0.42, and the maximum aberration value is reduced to 0.49 by 1.16.Explain that the dyeing that rare earth is used for natural dye can play the effect of levelling agent, thereby obtain better Color.
Step is following:
1) preliminary treatment: 1:35 gets bleaching liquid by bath raio, and bleaching liquid is warming up to 98 ℃, adds silk broadcloth, and keeping temperature is 98 ℃, soaks 40 minutes; Described bleaching liquid consists of: add 15g hydrogen peroxide solution, 3g soda ash, 2.5g paregal O and 4g sodium metasilicate in per 1 premium on currency;
2) washing: pretreated silk broadcloth is washed 3 times with water lotion; Described water lotion is: getting clear water use acetic acid adjusting PH is 6.5;
3) dehydration: after the washing, dehydration, drying;
4) dyeing:
The preparation of dye liquor: add 7g vegetable colour Asian puccoon in per 1 premium on currency;
The preparation of earth solution: by the rare-earth substance La that adds 1.0g in per 1 liter of dye liquor
20
3Calculate, accurately take by weighing a certain amount of rare-earth substance La
20
3, adding 50% (v/v) hydrochloric acid solution, heating for dissolving adds water and is made into earth solution;
1:35 gets dye liquor by bath raio, uses acetic acid to regulate PH dye liquor and is 3.5, is warming up to 50 ℃, adds through the 3rd) the dried silk broadcloth of step; Heat up 2 ℃ to 98 ℃ with per minute, be incubated 40 minutes, be cooled to 70 ℃ then, add earth solution; Soaked 15 minutes, and heated up 2 ℃ to 98 ℃ with per minute again, be incubated 40 minutes; Clean 3 times dehydration, drying with clear water.
Contrast test:1) to 3) step is the same, and 4) dyeing: 1:35 gets dye liquor by bath raio, uses acetic acid to regulate PH dye liquor and is 3.5, is warming up to 50 ℃; Add through the 3rd) the dried silk broadcloth of step, heat up 2 ℃ to 98 ℃ with per minute, be incubated 80 minutes; Clean 3 times dehydration, drying with clear water.The result sees Fig. 1, table 1 and table 2.
Adopt La
20
3As the mordant of the last dyeing silk silk fabric of Asian puccoon, can obviously improve the dye uptake and the apparent color depth K/S value that gets of dying appearance.Can find out that by Fig. 1 dye uptake brings up to 76.6% from 64.5%.Apparent that color depth K/S value improves 31.5 %.
Can find out that by table 1 adopt rare earth as the mordant of natural dye to silk broadcloth dying, the part dyefastness that dyes appearance is improved to some extent.
Can be found out that by table 2 through the mordant dyeing effect of rare earth, the dyeing silk fabric can obviously improve the level-dyeing property that dyes appearance on the natural dye, the average color difference is reduced to 0.20 by 0.28, and the maximum aberration value is reduced to 0.38 by 0.42.
Step is following
1) preliminary treatment: 1:25 gets bleaching liquid by bath raio, and bleaching liquid is warming up to 98 ℃, adds silk broadcloth, and keeping temperature is 98 ℃, soaks 30 minutes; Described bleaching liquid consists of: add 5g hydrogen peroxide solution, 2g soda ash, 1.5g paregal O and 2 sodium metasilicate in per 1 premium on currency;
2) washing: pretreated silk broadcloth is washed 2 times with water lotion; Described water lotion is: getting clear water use acetic acid adjusting PH is 5.5;
3) dehydration: after the washing, dehydration, drying;
4) dyeing
The preparation of dye liquor: add 0.05g vegetable colour Chinese gall in per 1 premium on currency;
The preparation of earth solution: by the rare-earth substance Pr that adds 0.5g in per 1 liter of dye liquor
20
3Calculate, accurately take by weighing a certain amount of rare-earth substance Pr
20
3, adding 50% (v/v) hydrochloric acid solution, heating for dissolving adds water and is made into earth solution;
1:25 gets dye liquor by bath raio, uses acetic acid to regulate PH dye liquor and is 3, is warming up to 50 ℃, adds through the 3rd) the dried silk broadcloth of step; Heat up 2 ℃ to 98 ℃ with per minute, be incubated 30 minutes, be cooled to 70 ℃ then, add earth solution; Soaked 10 minutes, and heated up 2 ℃ to 98 ℃ with per minute again, be incubated 30 minutes; Clean 2 times dehydration, drying with clear water.
Contrast test:1) to 3) step is the same, and 4) dyeing: 1:25 gets dye liquor by bath raio, uses acetic acid to regulate PH dye liquor and is 3, is warming up to 50 ℃; Add through the 3rd) the dried silk broadcloth of step, heat up 2 ℃ to 98 ℃ with per minute, be incubated 60 minutes; Clean 2 times dehydration, drying with clear water.The result sees Fig. 1, table 1 and table 2.
Can find out that by table 1 adopt rare earth as the mordant of natural dye to silk broadcloth dying, the part dyefastness that dyes appearance is improved to some extent.
Can be found out that by table 2 through the mordant dyeing effect of rare earth, the dyeing silk fabric can obviously improve the level-dyeing property that dyes appearance on the natural dye, the average color difference is reduced to 0.40 by 0.63, and the maximum aberration value is reduced to 0.95 by 1.38.
Embodiment 4 is the silk broadcloth dying method of mordant with the rare-earth substance
Step is following:
1) preliminary treatment: 1:30 gets bleaching liquid by bath raio, and bleaching liquid is warming up to 98 ℃, adds silk broadcloth, and keeping temperature is 98 ℃, soaks 30 minutes; Described bleaching liquid consists of: add 10g hydrogen peroxide solution, 2.5g soda ash, 2g paregal O and 3 sodium metasilicate in per 1 premium on currency;
2) washing: pretreated silk broadcloth is washed 2 times with water lotion; Described water lotion is: getting clear water use acetic acid adjusting PH is 6;
3) dehydration: after the washing, dehydration, drying;
4) dyeing:
The preparation of dye liquor: adding 0.05g vegetable colour is indigo in per 1 premium on currency;
The preparation of earth solution: by the rare-earth substance Nd that adds 0.5g in per 1 liter of dye liquor
20
3Calculate, accurately take by weighing a certain amount of rare-earth substance Nd
20
3, adding 50% (v/v) hydrochloric acid solution, heating for dissolving adds water and is made into earth solution;
1:30 gets dye liquor by bath raio, uses acetic acid to regulate PH dye liquor and is 3, is warming up to 50 ℃, adds through the 3rd) the dried silk broadcloth of step; Heat up 2 ℃ to 98 ℃ with per minute, be incubated 30 minutes, be cooled to 70 ℃ then, add earth solution; Soaked 10 minutes, and heated up 2 ℃ to 98 ℃ with per minute again, be incubated 30 minutes; Clean 2 times dehydration, drying with clear water.
Contrast test:1) to 3) step is the same, and 4) dyeing: 1:30 gets dye liquor by bath raio, uses acetic acid to regulate PH dye liquor and is 3, is warming up to 50 ℃; Add through the 3rd) the dried silk broadcloth of step, heat up 2 ℃ to 98 ℃ with per minute, be incubated 60 minutes; Clean 2 times dehydration, drying with clear water.The result sees Fig. 1, table 1 and table 2
Can find out that by table 1 adopt rare earth as the mordant of natural dye to silk broadcloth dying, the part dyefastness that dyes appearance is improved to some extent.
Can be found out that by table 2 through the mordant dyeing effect of rare earth, the dyeing silk fabric can obviously improve the level-dyeing property that dyes appearance on the natural dye, the average color difference is reduced to 0.28 by 0.38, and the maximum aberration value is reduced to 0.21 by 0.36.
Claims (4)
1. be the silk broadcloth dying method of mordant with the rare-earth substance, it is characterized in that step is following:
1) preliminary treatment: get bleaching liquid by bath raio 1:25~35, bleaching liquid is warming up to 98 ℃, add silk broadcloth, keeping temperature is 98 ℃, soaks 30~40 minutes; Described bleaching liquid consists of: add 5~15g hydrogen peroxide solution, 2~3g soda ash, 1.5~2.5g paregal O and 2~4g sodium metasilicate in per 1 premium on currency;
2) washing: pretreated silk broadcloth is washed 2~3 times with water lotion; Described water lotion is: getting clear water adjusting PH is 5.5~6.5;
3) dehydration: after the washing, dehydration, drying;
4) dyeing: get dye liquor by bath raio 1:25 ~ 35, the PH that regulates dye liquor is 3~3.5, is warming up to 50 ℃, adds through the 3rd) the dried silk broadcloth of step; Heat up 2 ℃ to 98 ℃ with per minute, be incubated 30 ~ 40 minutes, be cooled to 70 ℃ then, add earth solution; Soaked 10 ~ 15 minutes, and heated up 2 ℃ to 98 ℃ with per minute again, be incubated 30~40 minutes; Clean 2~3 times dehydration, drying with clear water.
2. as claimed in claim 1 is the silk broadcloth dying method of mordant with the rare-earth substance, and it is characterized in that: described dye liquor consists of: add 0.05~7g vegetable colour in per 1 premium on currency; Described earth solution is: get rare-earth substance, the adding percent by volume is 50% hydrochloric acid solution, and heating for dissolving adds water and is made into earth solution, and the consumption of rare-earth substance is the rare-earth substance that every liter of dye liquor adds 0.5 ~ 1.0g.
3. as claimed in claim 2 is the silk broadcloth dying method of mordant with the rare-earth substance, and it is characterized in that: described rare-earth substance is Pr
20
3, Nd
20
3, Ce
2(C0
3)
3Or La
20
3
4. as claimed in claim 2 is the silk broadcloth dying method of mordant with the rare-earth substance, it is characterized in that: described vegetable colour be safflower, Asian puccoon, Chinese gall, indigo, lac is red, Gardenia Yellow, gardenia blue or safflower yellow.
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CN110607704A (en) * | 2019-09-29 | 2019-12-24 | 泉州师范学院(石狮)生态智能织物工程技术研究院 | Rare earth coordination-based natural dye dyeing method with ultraviolet resistance |
CN110607704B (en) * | 2019-09-29 | 2022-03-15 | 泉州师范学院(石狮)生态智能织物工程技术研究院 | Rare earth coordination-based natural dye dyeing method with ultraviolet resistance |
CN112267310A (en) * | 2020-10-26 | 2021-01-26 | 山东众和新材料科技有限公司 | Cinnamomum camphora pulp pigment printing paste and printing method thereof on pure cotton fabric |
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