CN109736110A - A method of it improving vegetable colour and contaminates cotton fiber color fastness - Google Patents
A method of it improving vegetable colour and contaminates cotton fiber color fastness Download PDFInfo
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- CN109736110A CN109736110A CN201811614292.2A CN201811614292A CN109736110A CN 109736110 A CN109736110 A CN 109736110A CN 201811614292 A CN201811614292 A CN 201811614292A CN 109736110 A CN109736110 A CN 109736110A
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Abstract
A kind of method that the present invention discloses raising vegetable colour dye cotton fiber color fastness, the method are to contaminate cotton fiber to vegetable colour with mix reagent to carry out process；The mix reagent is by scouring agent, sodium tripolyphosphate and iron ammonium sulfate are formulated by certain amount ratio, the process is: mix reagent liquid is made in the mix reagent by certain bath raio, the dye cotton fiber is put into the canister equipped with the mix reagent liquid, then the container is put into temperature controlling instruments, start after the container is warming up to certain temperature by the temperature controlling instruments constant temperature for a period of time, react the dye cotton fiber sufficiently in container with the mix reagent, constant temperature for a period of time after, the dye cotton fiber is taken out to washing drying out of described container.The color fastness of the dye cotton fiber greatly improved using this method, the color fastness of the red especially contaminated with vegetable colour safflower, Chinese gall and Asian puccoon, grey and purple dye cotton fiber has the raising of highly significant.
Description
Technical field
The present invention relates to textile dyeing and finishing technical fields, and in particular to a kind of side for improving vegetable colour dye cotton fiber color fastness
Method.
Background technique
Organic cotton is suitble to the clothes such as production high-grade underwear, children's garment, scarf, socks as a kind of natural environmental-protective type textile raw material
Ornaments and home textile product.The use of organic cotton can effectively improve added value of product, improve the market competitiveness of enterprise.
But organic cotton only has white, advantage is in overall production process without using chemical raw material；The disadvantage is that single color limits
The development of organic cotton.If dyeing using synthetic dyestuffs, and it is contrary to the environmentally friendly original intention of organic cotton.All do not have all the time in industry
Very good solution method is found, the bottleneck of organic cotton development is become.
With the development of technology, natural plants staining technique now brings the new market opportunity to the development of organic cotton.
Natural plants staining technique uses pure natural vegetable colour, does not add any chemical material in dyeing course,
Realize environmental protection dyeing truly.Organic cotton+plant dyeing makes colored organic cotton of the organic cotton product as natural environmental-protective.
Natural dye with its natural form and aspect, insect prevention, sterilization effect, natural fragrance won liking and favoring for common people.Naturally
Though dyestuff cannot substitute synthetic dyestuffs completely, it occupies a tiny space on the market, and increasingly by the weight of people
Depending on natural plant dye is particularly suitable for the green product of application and development high added value, with the fabric of natural dye dying, development
Prospect is very good.
Plant dyeing is to utilize the various plant extracts containing pigment grown naturally in the Nature
Pigment does not use or seldom uses chemical assistant come a kind of method dyed to pollutant.But it is existing
The color fastness of the contaminated cotton fiber of vegetable colour is poor, limits the extensive use of vegetable colour dye cotton fiber, is to cause to use
Clothes that vegetable colour dye cotton fiber is made into, the main reason for clothing fabric marketing is difficult.
Summary of the invention
In order to solve the problems, such as that existing vegetable colour dye cotton fiber color fastness is not high, the present invention provides a kind of raising plant dye
The method of material dye cotton fiber color fastness uses the larger color fastness for improving vegetable colour dye cotton fiber of this method.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
A method of it improving vegetable colour and contaminates cotton fiber color fastness, comprising:
Prepare mix reagent；The mix reagent is formulated by scouring agent, sodium tripolyphosphate and iron ammonium sulfate；
Mix reagent liquid is made in the mix reagent by setting bath raio；
The dye cotton fiber is put into the canister equipped with the mix reagent liquid, is then put into the container
Temperature controlling instruments starts the temperature controlling instruments, and the temperature of the container is warming up to holding temperature；After keeping the temperature preset time, by institute
It states dye cotton fiber to take out out of described container, washing drying.
Wherein, the scouring agent is anion and nonionic compound.
Wherein, the opposed fabric percentage o.w.f of the scouring agent is 1.8-2.6%；The o.w.f of the sodium tripolyphosphate
For 5-7%；The o.w.f of the iron ammonium sulfate is 1.2-1.8%.
Wherein, the bath raio is 1:18-1:22.
Wherein, the holding temperature is 92-98 DEG C, and the container is with 4-6 DEG C/min of speed from room temperature to described
Holding temperature；The soaking time is 55-65 minutes.
Wherein, the o.w.f of the scouring agent is 2.2%, and the o.w.f of the sodium tripolyphosphate is 6%, the ferrous sulfate
The o.w.f of ammonium is 1.5%.
Wherein, the bath raio is 1:20.
Wherein, the holding temperature is 95 DEG C.
Wherein, soaking time is 60 minutes.
Wherein, the container is with 5 DEG C/min of speed from room temperature to the holding temperature.
Compared with prior art, what the technical solution adopted by the present invention generated has the beneficial effect that:
It is larger to improve vegetable colour dye using a kind of method of raising vegetable colour dye cotton fiber color fastness of the invention
The color fastness of cotton fiber, red dye cotton fiber, the grey dye cotton fibre especially contaminated with vegetable colour safflower, Chinese gall and Asian puccoon
The color fastness of peacekeeping purple dye cotton fiber has the raising of highly significant, and weight is played in the extensive use for contaminating cotton fiber for vegetable colour
It acts on.
Specific effect are as follows:
Capillary effect (water imbibition) test is done to the above-mentioned dye cotton fiber that method processing of the invention is not used, the result is that hairless
Effect；Capillary effect (water imbibition) test is done to the above-mentioned dye cotton fiber for using method of the invention to handle, the result is that moment sucks.
Every color fastness index of the above-mentioned dye cotton fiber handled using method of the invention has different degrees of raising, such as
After grey contaminates cotton fiber processing, the soap fastness that changes colour of neutrality is raised to 4.5 grades from 2 grades, and after red dye cotton fiber processing, sour sweat stain is stained with
Color fastness is raised to 5 grades from 3 grades.
Detailed description of the invention
Fig. 1 is a kind of flow chart for the method for improving vegetable colour dye cotton fiber color fastness of the embodiment of the present invention；
Fig. 2 is that red dye cotton fiber utilizes the discoloration fastness comparison diagram of present invention method before and after the processing；
Fig. 3 is that grey dye cotton fiber utilizes the discoloration fastness comparison diagram of present invention method before and after the processing；
Fig. 4 is that purple dye cotton fiber utilizes the discoloration fastness comparison diagram of present invention method before and after the processing；
Fig. 5 is that red dye cotton fiber utilizes the staining fastness comparison diagram of present invention method before and after the processing；
Fig. 6 is that grey dye cotton fiber utilizes the staining fastness comparison diagram of present invention method before and after the processing；
Fig. 7 is that purple dye cotton fiber utilizes the staining fastness comparison diagram of present invention method before and after the processing.
Specific embodiment
The embodiment of the present invention provides a kind of method of raising vegetable colour dye cotton fiber color fastness, uses method of the invention
It is larger to improve vegetable colour dye cotton fiber color fastness, the red especially contaminated with vegetable colour safflower, Chinese gall and Asian puccoon
The color fastness of dye cotton fiber, grey dye cotton fiber and purple dye cotton fiber has the raising of highly significant, will contaminate cotton for vegetable colour
The extensive use of fiber plays an important role.
As shown in Figure 1, the present embodiments relate to a kind of methods of raising vegetable colour dye cotton fiber color fastness, comprising:
1, mix reagent is prepared；The mix reagent is formulated by scouring agent, sodium tripolyphosphate and iron ammonium sulfate；
2, mix reagent liquid is made in the mix reagent by setting bath raio；
3, the dye cotton fiber is put into the canister equipped with the mix reagent liquid, then puts the container
Enter temperature controlling instruments, start the temperature controlling instruments, the temperature of the container is warming up to set temperature；
4, it keeps the temperature, reacts the dye cotton fiber sufficiently in the container with the mix reagent；Heat preservation a period of time
Afterwards, the dye cotton fiber is taken out out of described container, washing drying.
In above scheme, the scouring agent is anion and nonionic compound, scouring agent (o.w.f, the On
Weight the fabric, opposed fabric percentage；Concentration is on the basis of fabric weight in dyeing and finishing technology, concentration unit, indicates
The ratio of the weight of dyestuff and fabric) dosage 1.8-2.6%, sodium tripolyphosphate (o.w.f) the dosage 5-7%, the sulfuric acid
Ferrous ammonium (o.w.f) dosage 1.2-1.8%.
The bath raio is 1:18-1:22.
It is to be heated to the container with 4-6 DEG C/min of speed since room temperature that the container, which is warming up to set temperature,
The temperature of the heat preservation, the temperature of the heat preservation are 92-98 DEG C, and the soaking time is 55-65 minutes.
Embodiment:
1, the mix reagent optimum ratio is obtained by test of many times are as follows:
By the scouring agent (o.w.f) dosage 2.2%, sodium tripolyphosphate (o.w.f) dosage 6%, the sulfuric acid Asia
Iron ammonium (o.w.f) dosage 1.5% configures mix reagent；
2, the bath raio 1:20 is pressed, mix reagent liquid is made in above-mentioned mix reagent；
3, above-mentioned mix reagent liquid is put into special stainless steel container, is then put into the dye cotton fiber above-mentioned stainless
In steel container；4, above-mentioned rustless steel container is put into Special temp controller equipment, by the temperature of temperature controlling instruments from room temperature by about 5 DEG C/
The speed of minute is kept the temperature after being heated to 95 DEG C；
5, above-mentioned soaking time needs 60 minutes, and the dye cotton fiber in above-mentioned rustless steel container is allowed to mix examination with described
Agent is sufficiently reacted；
6, finally above-mentioned dye cotton fiber is taken out out of rustless steel container, washing drying.
The specific implementation of above scheme is as follows:
Red plants dyestuff used: safflower；Grey vegetable colour used: Chinese gall；Purple plant dyeing used: Asian puccoon.
Color with the safflower, Chinese gall, the contaminated cotton fiber of lithospermum vegetable dye is red, grey, purple respectively.
Before method of the invention is not used, above-mentioned dye cotton fiber application performance index is as shown in table 1~6:
| Title | L | A | b | ||
| It is red | 50.60 | 32.16 | 11.20 | ||
| Sample ID | △L | △a | △b | △E | Change colour (grade) |
| It is water-fast | - 1.01 is deep | 1.08 red | - 1.32 is blue | 1.36 | 4 |
| Alkaline-resisting sweat stain | - 1.41 is deep | 0.96 is red | - 2.05 is blue | 1.88 | 3.5 |
| Acidproof sweat stain | - 1.82 is deep | 0.01 | - 1.95 is blue | 1.70 | 3.5 |
| The sweat stain of resistance to saliva | 3.32 shallow | 7.44 red | 1.90 yellow | 5.40 | 2 |
| Neutrality is soaped | 0.01 | 3.02 red | - 2.14 is blue | 2.53 | 3 |
| Alkalinity is soaped | 1.92 shallow | - 0.16 is green | - 3.63 is blue | 2.89 | 3 |
| Solarization | 0.89 is shallow | - 1.18 is green | - 0.43 is blue | 0.71 | 4.5 |
The red application performance discoloration index of table 1
| Title | L | A | b | ||
| Grey | 49.28 | 1.21 | 0.24 | ||
| Sample ID | △L | △a | △b | △E | Change colour (grade) |
| It is water-fast | 1.86 shallow | 1.16 red | 1.40 yellow | 2.69 | 3.5 |
| Alkaline-resisting sweat stain | 2.12 shallow | 2.30 red | 2.84 yellow | 5.00 | 3 |
| Acidproof sweat stain | 2.30 shallow | 1.81 red | 2.93 yellow | 4.93 | 2.5 |
| The sweat stain of resistance to saliva | 6.52 shallow | 1.55 red | 1.97 yellow | 4.63 | 2 |
| Neutrality is soaped | 5.39 shallow | 2.23 red | 1.81 yellow | 4.59 | 2 |
| Alkalinity is soaped | 6.46 shallow | 3.13 red | 4.78 yellow | 8.53 | 1.5 |
| Solarization | 4.38 shallow | - 0.23 is green | 1.20 yellow | 2.66 | 3 |
2 grey application performance of table discoloration index
| Title | L | A | b | ||
| Purple | 40.56 | 10.12 | -0.63 | ||
| Sample ID | △L | △a | △b | △E | Change colour (grade) |
| It is water-fast | 0.90 is shallow | - 0.14 is green | 0.16 is yellow | 0.51 | 4.5 |
| Alkaline-resisting sweat stain | 1.34 shallow | - 0.07 is green | 0.27 is yellow | 0.76 | 4 |
| Acidproof sweat stain | 2.85 shallow | - 0.93 is green | 1.57 yellow | 2.45 | 3 |
| The sweat stain of resistance to saliva | 2.49 shallow | - 0.89 is green | 1.38 yellow | 2.17 | 3 |
| Neutrality is soaped | 3.46 shallow | - 1.32 is green | 0.10 is yellow | 2.10 | 3 |
| Alkalinity is soaped | 5.37 shallow | - 2.91 is green | 3.27 yellow | 5.37 | 2 |
| Solarization | 2.91 shallow | - 1.18 is green | - 0.33 is blue | 1.84 | 3 |
3 purple application performance of table discoloration index
| Title | L | A | b | ||
| Calico | 81.88 | -0.12 | 0.55 | ||
| Sample ID | △L | △a | △b | △E | Staining (grade) |
| It is water-fast | - 2.36 is deep | 3.91 red | 0.40 is yellow | 5.90 | 4 |
| Alkaline-resisting sweat stain | - 0.97 is deep | 2.11 red | 1.02 yellow | 3.50 | 4 |
| Acidproof sweat stain | - 6.35 is deep | 9.40 red | 3.59 yellow | 15.11 | 3 |
| The sweat stain of resistance to saliva | - 5.73 is deep | 6.91 red | 1.22 yellow | 10.63 | 3.5 |
| Neutrality is soaped | - 4.14 is deep | 5.81 red | - 0.61 is blue | 8.81 | 4 |
| Alkalinity is soaped | - 5.52 is deep | 8.38 red | - 1.54 is blue | 12.81 | 3.5 |
The red application performance staining index of table 4
| Title | L | A | b | ||
| Calico | 81.88 | -0.12 | 0.55 | ||
| Sample ID | △L | △a | △b | △E | Staining (grade) |
| It is water-fast | - 0.85 is deep | 0.49 is red | 0.12 is yellow | 0.82 | 5 |
| Alkaline-resisting sweat stain | - 0.04 is deep | 0.19 is red | 0.47 is yellow | 0.75 | 5 |
| Acidproof sweat stain | - 0.37 is deep | 0.00 | 2.15 yellow | 3.20 | 4.5 |
| The sweat stain of resistance to saliva | - 0.77 is deep | 0.72 is red | 1.06 yellow | 1.93 | 5 |
| Neutrality is soaped | - 0.62 is deep | 0.03 is red | 1.06 yellow | 1.59 | 5 |
| Alkalinity is soaped | - 1.41 is deep | 0.31 is red | 2.07 yellow | 3.15 | 4.5 |
5 grey application performance staining index of table
| Title | L | A | b | ||
| Calico | 81.88 | -0.12 | 0.55 | ||
| Sample ID | △L | △a | △b | △E | Staining (grade) |
| It is water-fast | - 1.29 is deep | 0.48 is red | 0.92 is yellow | 1.61 | 4.5 |
| Alkaline-resisting sweat stain | - 1.52 is deep | 0.45 is red | 0.99 is yellow | 1.66 | 4.5 |
| Acidproof sweat stain | - 0.38 is deep | - 0.76 is green | 4.49 yellow | 6.76 | 4.5 |
| The sweat stain of resistance to saliva | - 0.64 is deep | - 0.27 is green | 4.23 yellow | 6.29 | 4.5 |
| Neutrality is soaped | - 1.41 is deep | 1.90 red | - 0.04 is blue | 2.87 | 4.5 |
| Alkalinity is soaped | - 2.32 is deep | 2.08 red | - 0.06 is blue | 3.21 | 4.5 |
6 purple application performance staining index of table
Capillary effect test is done to above-mentioned dye cotton fiber: without capillary effect.
Find out from the above test data, different vegetable colour dye cotton fiber application performance indexs are irregular, without comparable
Property, it can also be sayed without rule.There is no capillary effect, color fastness index is generally undesirable, and minimum only 1.5 grades.Below with of the invention
Method is respectively processed the above-mentioned red contaminated with safflower, Chinese gall, lithospermum vegetable dye, grey, purple cotton fiber, with
Improve the capillary effect and color fastness rank of above-mentioned dye cotton fiber.
Treatment process is: mix reagent liquid is made in the mix reagent by certain bath raio, above-mentioned dye cotton fiber is put
Enter in the canister equipped with the mix reagent liquid, the container is then put into temperature controlling instruments, starts the temperature control and sets
It is standby the container is warming up to certain temperature after constant temperature for a period of time, make above-mentioned dye cotton fiber and the mix reagent in container
Sufficiently reaction, constant temperature for a period of time after, above-mentioned dye cotton fiber is taken out out of described container, washing drying.The scouring agent
(o.w.f) dosage is 2.2%, and sodium tripolyphosphate (o.w.f) dosage is 6%, and iron ammonium sulfate (o.w.f) dosage is
1.5%, the bath raio is 1:20；The thermostat temperature is 95 DEG C, and described a period of time is 60 minutes.The container is warming up to one
Determine temperature be by the container since 13 DEG C/be heated to 5 DEG C/min of speed the temperature of the constant temperature.
After method processing of the invention, above-mentioned dye cotton fiber application performance index is as shown in 7~12:
| Title | L | A | b | ||
| It is red | 46.02 | 16.56 | 1.14 | ||
| Sample ID | △L | △a | △b | △E | Change colour (grade) |
| It is water-fast | 0.20 is shallow | - 0.43 is green | - 0.38 is blue | 0.47 | 4.5 |
| Alkaline-resisting sweat stain | - 0.56 is deep | 0.03 is red | - 0.17 is blue | 0.31 | 4.5 |
| Acidproof sweat stain | 0.10 is shallow | - 0.18 is green | - 0.29 is blue | 0.31 | 5 |
| The sweat stain of resistance to saliva | - 1.56 is deep | - 0.10 is green | - 4.10 is blue | 3.15 | 3 |
| Neutrality is soaped | 0.35 is shallow | 0.17 is red | 0.43 is yellow | 0.46 | 4.5 |
| Alkalinity is soaped | - 1.37 is deep | 0.47 is red | 1.32 yellow | 1.46 | 4 |
| Solarization | 0.18 is shallow | 0.72 is red | 0.34 is yellow | 0.57 | 4.5 |
Red application performance discoloration index after the processing of table 7
| Title | L | A | b | ||
| Grey | 58.38 | 3.07 | 2.16 | ||
| Sample ID | △L | △a | △b | △E | Change colour (grade) |
| It is water-fast | 0.23 is shallow | - 0.40 is green | - 0.72 is blue | 1.00 | 4.5 |
| Alkaline-resisting sweat stain | 0.90 is shallow | - 0.11 is green | - 0.13 is blue | 0.43 | 4.5 |
| Acidproof sweat stain | 0.74 is shallow | - 0.28 is green | - 0.44 is blue | 0.69 | 4.5 |
| The sweat stain of resistance to saliva | 3.98 shallow | - 1.11 is green | 0.53 is yellow | 2.37 | 2.5 |
| Neutrality is soaped | 0.74 is shallow | 0.59 is red | 0.73 is yellow | 1.14 | 4.5 |
| Alkalinity is soaped | 1.82 shallow | 1.75 red | 2.92 yellow | 4.14 | 3 |
| Solarization | 0.73 is shallow | - 0.34 is green | - 0.25 is blue | 0.58 | 4.5 |
Grey application performance discoloration index after the processing of table 8
| Title | L | A | b | ||
| Purple | 44.92 | 4.00 | -0.49 | ||
| Sample ID | △L | △a | △b | △E | Change colour (grade) |
| It is water-fast | - 0.25 is deep | 0.09 is red | - 0.02 is blue | 0.16 | 5 |
| Alkaline-resisting sweat stain | - 0.45 is deep | 0.56 is red | 0.43 is yellow | 0.87 | 4.5 |
| Acidproof sweat stain | 1.07 shallow | - 0.04 is green | 0.06 is yellow | 0.53 | 4.5 |
| The sweat stain of resistance to saliva | 0.58 is shallow | 0.12 is red | 0.10 is yellow | 0.34 | 4.5 |
| Neutrality is soaped | - 0.59 is deep | 0.89 is red | 1.13 yellow | 1.77 | 4 |
| Alkalinity is soaped | - 1.99 is deep | 1.88 red | 2.69 yellow | 4.06 | 3 |
| Solarization | 0.46 is shallow | - 0.27 is green | 0.49 is yellow | 0.72 | 4.5 |
Purple application performance discoloration index after the processing of table 9
Red application performance staining index after the processing of table 10
| Title | L | A | b | ||
| Calico | 81.89 | -0.15 | 0.41 | ||
| Sample ID | △L | △a | △b | △E | Staining (grade) |
| It is water-fast | 0.19 is shallow | 0.05 is red | - 0.13 is blue | 0.22 | 5 |
| Alkaline-resisting sweat stain | 0.20 is shallow | - 0.03 is green | 0.09 is yellow | 0.17 | 5 |
| Acidproof sweat stain | - 0.07 is deep | - 0.03 is green | 0.04 is yellow | 0.08 | 5 |
| The sweat stain of resistance to saliva | 0.63 is shallow | 0.03 is red | 0.02 | 0.23 | 5 |
| Neutrality is soaped | - 0.14 is deep | -0.01 | 0.00 | 0.05 | 5 |
| Alkalinity is soaped | - 0.03 is deep | - 0.20 is green | 1.03 yellow | 1.56 | 5 |
Grey application performance staining index after the processing of table 11
| Title | L | A | b | ||
| Calico | 81.89 | -0.15 | 0.41 | ||
| Sample ID | △L | △a | △b | △E | Staining (grade) |
| It is water-fast | - 0.68 is deep | 0.27 is red | - 0.15 is blue | 0.51 | 5 |
| Alkaline-resisting sweat stain | 0.25 is shallow | 0.54 is red | 1.50 yellow | 2.37 | 5 |
| Acidproof sweat stain | - 0.36 is deep | 0.05 is red | 0.50 is yellow | 0.73 | 5 |
| The sweat stain of resistance to saliva | - 1.61 is deep | 0.23 is red | 0.90 is yellow | 1.46 | 4.5 |
| Neutrality is soaped | - 0.39 is deep | 0.46 is red | - 0.71 is blue | 1.24 | 5 |
| Alkalinity is soaped | - 2.41 is deep | 0.96 is red | - 0.12 is blue | 1.66 | 4.5 |
Purple application performance staining index after the processing of table 12
The test sample of above-mentioned dye cotton fiber experimental data makes:
1, fiber is combed loose, bulk density as far as possible one by fibrinogen and by the method for the present invention treated fiber comb
Sample.
2, it fibrinogen and is made by the method for the present invention treated fiber sample (doing standard of): taking 0.5 gram of sample tiling
In long 10 centimetres, wide 4.5 centimetres of white hard paper on piece, it is desirable that pave as far as possible, thin and thick is uniform, and then preservative film wraps up, with 4 public affairs
Jin weight is pressed 15 hours.
3, GB/T 22799-2009 towel products water imbibition test method, A method-sedimentation water imbibition: are referred to.Take 0.2
Gram sample (the green cotton handled fiber is combed with mending comb loose, bulk density is as far as possible) is in about 2 lis of diameter of palm of the hand stranding
Meter Yuan Qiu.400 milliliters of distilled water are taken to be placed in 500 milliliters of beakers, water temperature (20 ± 2) DEG C is light under the conditions of no external force by sample
Be placed on the water surface, start simultaneously at timing, measurement sample since the contact water surface to soak completely and sink the required time, accurately
By 0.1 second；Capillary effect was qualification less than 60 seconds.
4, light fastness: 0.5 gram of sample is taken to be laid in long 10 centimetres, wide 4.5 centimetres of white hard paper on piece, it is desirable that as far as possible
It paves, thin and thick is uniform, is pressed 15 hours with 4 kilograms of weights, does solarization, preservative film package.Three points are surveyed with colour photometer to be averaged,
Survey light fastness.
5, resistance to soap, sour sweat stain, alkali sweat stain, water, saliva fastness: take 0.6 gram of sample to do fibrinogen and the present invention by standard
Method processing after fiber it is resistance to soap, acid and alkali-resistance sweat stain, the water-fast, fastness test of resistance to saliva.0.5 gram is taken to be laid in 10 centimetres long, width
4.5 centimetres of white hard paper on piece, it is desirable that pave as far as possible, thin and thick is uniform, and preservative film package is pressed 15 hours with 4 kilograms of weights.With
Colour photometer is surveyed three points and is averaged.Survey staining and discoloration fastness.
Capillary effect test: being moment sucking using the dye cotton fiber water absorption test result that the present invention is handled.
Contaminate cotton fiber using the discoloration before and after the processing of the above embodiment of the present invention method and staining fastness comparison diagram such as Fig. 2~
Shown in 7, wherein in Fig. 2~7, in any one group of comparison column diagram, the column diagram of front indicates to utilize present invention method
The grade of relevant parameter before processing；Subsequent column diagram indicates to utilize present invention method treated relevant parameter
Grade.
Find out from the above chart, every fastness index before and after the processing is improved, such as the red dye cotton fiber processing of Fig. 2
Front and back changes colour in fastness comparison, and neutrality, which is soaped, is increased to 4.5 grades from 3 grades；As the grey dye cotton fiber of Fig. 3 changes colour jail before and after the processing
In degree comparison, alkaline soaping fastness is increased to 3 grades from 1.5 grades；Such as the red dye cotton fiber staining fastness comparison before and after the processing of Fig. 5
In, sour perspiration fastness is increased to 5 grades from 3 grades.
Processing by the method for the invention assigns the vegetable colour dye cotton fiber water absorbing properties, has skin-friendly, improve
The class of described dye cotton fiber and products thereof.
Processing by the method for the invention, the solarization of vegetable colour dye cotton fiber, every color fastness index such as soap
There are different degrees of raising, significant effect.Vegetable colour dye cotton fiber product development and application field is expanded, there is uniqueness
Market competition advantage, be bound to generate preferable economic benefit and social benefit.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, and those skilled in the art exists
The usual variations and alternatives carried out within the scope of technical solution of the present invention should be all included within the scope of the present invention.
Claims (10)
1. a kind of method for improving vegetable colour dye cotton fiber color fastness, it is characterised in that: include:
Prepare mix reagent；The mix reagent is formulated by scouring agent, sodium tripolyphosphate and iron ammonium sulfate；
Mix reagent liquid is made in the mix reagent by setting bath raio；
The dye cotton fiber is put into the canister equipped with the mix reagent liquid, the container is then put into temperature control
Equipment starts the temperature controlling instruments, and the temperature of the container is warming up to holding temperature；After keeping the temperature preset time, by the dye
Cotton fiber takes out out of described container, washing drying.
2. improving the method for vegetable colour dye cotton fiber color fastness as described in claim 1, it is characterised in that: the scouring agent
For anion and nonionic compound.
3. improving the method for vegetable colour dye cotton fiber color fastness as described in claim 1, it is characterised in that: the scouring agent
Opposed fabric percentage o.w.f be 1.8-2.6%；The o.w.f of the sodium tripolyphosphate is 5-7%；The iron ammonium sulfate
O.w.f be 1.2-1.8%.
4. improving the method for vegetable colour dye cotton fiber color fastness as described in claim 1, it is characterised in that: the bath raio is
1:18-1:22。
5. improving the method for vegetable colour dye cotton fiber color fastness as described in claim 1, it is characterised in that: the heat preservation temperature
Degree is 92-98 DEG C, and the container is with 4-6 DEG C/min of speed from room temperature to the holding temperature；The soaking time is
55-65 minutes.
6. improving the method for vegetable colour dye cotton fiber color fastness as claimed in claim 3, it is characterised in that: the scouring agent
O.w.f be 2.2%, the o.w.f of the sodium tripolyphosphate is 6%, and the o.w.f of the iron ammonium sulfate is 1.5%.
7. improving the method for vegetable colour dye cotton fiber color fastness as claimed in claim 4, it is characterised in that: the bath raio is
1:20。
8. improving the method for vegetable colour dye cotton fiber color fastness as claimed in claim 5, it is characterised in that: the heat preservation temperature
Degree is 95 DEG C.
9. improving the method for vegetable colour dye cotton fiber color fastness as claimed in claim 5, it is characterised in that: soaking time is
60 minutes.
10. improving the method for vegetable colour dye cotton fiber color fastness as claimed in claim 5, it is characterised in that: the container
With 5 DEG C/min of speed from room temperature to the holding temperature.
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| CN201811614292.2A CN109736110A (en) | 2018-12-27 | 2018-12-27 | A method of it improving vegetable colour and contaminates cotton fiber color fastness |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939000A (en) * | 2019-12-18 | 2020-03-31 | 北京光华纺织集团有限公司 | Cotton yarn dyed by grey plant dye and fabric |
| CN110983837A (en) * | 2019-12-18 | 2020-04-10 | 北京光华纺织集团有限公司 | Cotton yarn dyed by red vegetable dye and fabric |
| CN110983836A (en) * | 2019-12-18 | 2020-04-10 | 北京光华纺织集团有限公司 | Purple plant dye dyed cotton yarn and fabric |
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| CN102561009A (en) * | 2011-12-26 | 2012-07-11 | 北京光华纺织集团有限公司 | Method for improving light fastness of natural green colored cotton |
| CN104153190A (en) * | 2014-07-29 | 2014-11-19 | 北京光华纺织集团有限公司 | Treatment method for green cotton fiber |
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| CN102561009A (en) * | 2011-12-26 | 2012-07-11 | 北京光华纺织集团有限公司 | Method for improving light fastness of natural green colored cotton |
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| CN110939000A (en) * | 2019-12-18 | 2020-03-31 | 北京光华纺织集团有限公司 | Cotton yarn dyed by grey plant dye and fabric |
| CN110983837A (en) * | 2019-12-18 | 2020-04-10 | 北京光华纺织集团有限公司 | Cotton yarn dyed by red vegetable dye and fabric |
| CN110983836A (en) * | 2019-12-18 | 2020-04-10 | 北京光华纺织集团有限公司 | Purple plant dye dyed cotton yarn and fabric |
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Application publication date: 20190510 |