阅读说明：本技术 上染率高的玄武岩纤维布染色方法及玄武岩纤维彩色布和应用 (Basalt fiber cloth dyeing method with high dye uptake, basalt fiber colorful cloth and application ) 是由 刘中生 刘国玲 于 2020-05-19 设计创作，主要内容包括：本发明公开了一种上染率高的玄武岩纤维布染色方法及玄武岩纤维染色布和应用,属于纺织品技术领域,本发明提供的染色方法包括以下步骤：将玄武岩纤维布表面预处理后在玄武岩纤维布表面镀涂层,然后进行染色,染色时保温温度为110-140℃,保温时间为30-40min；本发明还公开了一种通过采用上述方法得到的玄武岩纤维彩色布以及在纤维制品中的应用,本发明解决了现有技术中玄武岩纤维布上染率低、色差值大的问题,其具有在玄武岩纤维布上染色时上染率高,获得染色均匀、色差小且水洗不褪色的玄武岩纤维彩色布的优点。(The invention discloses a basalt fiber cloth dyeing method with high dye uptake, basalt fiber dyed cloth and application, belonging to the technical field of textiles, and the dyeing method provided by the invention comprises the following steps: after the surface of the basalt fiber cloth is pretreated, coating is plated on the surface of the basalt fiber cloth, and then dyeing is carried out, wherein the heat preservation temperature is 110-; the invention also discloses the basalt fiber colored cloth obtained by the method and application of the basalt fiber colored cloth in fiber products, solves the problems of low dye uptake and large color difference value of the basalt fiber cloth in the prior art, and has the advantages of high dye uptake when the basalt fiber cloth is dyed, uniform dyeing, small color difference and fastness to washing.)

1. A basalt fiber cloth dyeing method with high dye uptake is characterized by comprising the following steps:

after the surface of the basalt fiber cloth is pretreated, a coating is plated on the surface of the basalt fiber cloth, and then dyeing is carried out under the condition that the bath ratio is 1 (10-12), the heat preservation temperature during dyeing is 110-140 ℃, and the heat preservation time is 30-40 min.

2. The method for dyeing the basalt fiber cloth with high dye uptake according to claim 1, wherein the basalt fiber cloth coating adopts a method of vacuum magnetron sputtering aluminum coating film, chemical copper coating layer or chemical nickel coating layer, and is preferably vacuum magnetron sputtering aluminum coating film.

3. The basalt fiber cloth dyeing method with high dye uptake according to claim 1, wherein when the basalt fiber cloth is coated by adopting a vacuum magnetron sputtering aluminum-plated film method, magnetron sputtering parameters are as follows: vacuum degree of 5 x 10^-3Pa, sputtering pressure of 0.3-0.5Pa, target base distance of 80-100mm, Ar gas flow of 80-150sccm, sputtering power variation range of 2-3kw, and coating thickness of 5-10 μm.

4. The basalt fiber cloth dyeing method with high dye uptake according to claim 3, wherein in the aluminum plating process, 220-380V pulse bias is applied to the aluminum plated fiber cloth, the frequency of the pulse bias is 40khz, the duty ratio is 20%, and the pulse waveform is square wave.

5. The basalt fiber cloth dyeing method with high dye uptake according to claim 1, wherein the dyeing solution comprises the following raw materials in parts by weight: 80-105 parts of water, 2-4 parts of dye, 0.8-2 parts of dispersing auxiliary agent and 0.5-1.5 parts of acetic acid; and the dispersing aid is hexafluoroisopropanol.

6. The basalt fiber cloth dyeing method with high dye uptake according to claim 5, characterized in that the specific dyeing operation is as follows: mixing pigment, acetic acid and dispersant uniformly, adding water, stirring uniformly, heating the mixed solution, adding basalt fiber cloth when the temperature is raised to 80 ℃, raising the temperature to 110-140 ℃ at the speed of 5 ℃/min, and preserving the heat for 30-40 min.

7. The basalt fiber cloth dyeing method with high dye uptake according to claim 3, characterized in that the basalt fiber cloth surface pretreatment operation is: soaking the basalt fiber cloth in acetone for 25-30 min, then ultrasonically cleaning in absolute ethyl alcohol for 10min, and drying.

8. A basalt fiber color cloth characterized by being produced by the dyeing method according to any one of claims 1 to 7.

9. Use of the basalt fiber color cloth of claim 8 in basalt fiber products.

10. The application of the basalt fiber color cloth according to claim 9, wherein the basalt fiber color cloth is applied to fire protection clothing, and the dye is orange when the basalt fiber cloth is dyed, so that the orange basalt fiber color cloth is obtained.

Technical Field

The invention relates to the technical field of textiles, in particular to a basalt fiber cloth dyeing method with high dye uptake, basalt fiber colorful cloth and application.

Background

The basalt fiber is a continuous fiber drawn from natural basalt, and is a continuous fiber drawn from basalt stone at high speed through a platinum-rhodium alloy wire drawing bushing after being melted at 1450-1500 ℃. The basalt fiber is a novel high-performance green environment-friendly fiber, does not emit toxic substances in air and water media, can be degraded after being discarded, becomes a matrix of soil after being degraded, and is environment-friendly. Because of good flame retardant property, high temperature resistance, acid and alkali resistance, low hygroscopicity and excellent mechanical property, the flame retardant has great development prospect when being applied to the fields of fiber reinforced composite materials, friction materials, shipbuilding materials, heat insulation materials, automobile industry, high-temperature filter fabrics, fire fighting and the like.

By utilizing the various advantages of the basalt fiber cloth, fashionable purses, backpacks and the like can be manufactured, and the basalt fiber cloth can also be used for orange fireproof clothing for fire fighting, has wide market prospect, but the color of the basalt is generally brown, has darker color, can cause that the basalt fiber cloth cannot be colored due to darker ground color by directly dyeing, has lower dye uptake, can not be uniformly coated on the surface of the fiber by the dye, has larger color difference value of the dyed cloth, and limits the application of basalt fiber products.

Disclosure of Invention

Aiming at the defects in the prior art, the first purpose of the invention is to provide the basalt fiber cloth dyeing method with high dye-uptake, which has the advantages of high dye-uptake when the basalt fiber cloth is dyed by the method, uniform dyeing and small color difference of the basalt fiber colored cloth.

The second purpose of the invention is to provide the basalt fiber colored cloth which has the advantages of high dye uptake, uniform dyeing and small color difference.

The third purpose of the invention is to provide the application of the basalt fiber colored cloth, which has the advantages that the prepared basalt fiber colored cloth can be applied to various basalt fiber products, the application is wide, and the color of the basalt fiber colored cloth is not faded after washing.

In order to achieve the first object, the invention provides the following technical scheme: a basalt fiber cloth dyeing method with high dye uptake comprises the following steps:

after the surface of the basalt fiber cloth is pretreated, a coating is plated on the surface of the basalt fiber cloth, and then dyeing is carried out under the condition that the bath ratio is 1 (10-12), the heat preservation temperature during dyeing is 110-140 ℃, and the heat preservation time is 30-40 min.

By adopting the technical scheme, the coating is plated on the surface of the basalt fiber cloth to cover the dark color of the basalt fiber cloth, then the coated basalt fiber cloth is dyed, and the dyeing process parameters are controlled, so that the dyeing rate is high, the basalt fiber color cloth with various colors can be obtained, the finally obtained basalt fiber color cloth has high dyeing rate and small color difference value which are all less than 3.5, and the obtained basalt fiber color cloth does not fade after being washed by water.

The invention is further configured to: the basalt fiber cloth coating adopts a method of vacuum magnetron sputtering aluminum coating, chemical copper coating or chemical nickel coating, and preferably adopts a vacuum magnetron sputtering aluminum coating.

By adopting the technical scheme, the three coating methods can be adopted to cover the coating on the basalt fiber cloth, then dyeing is carried out, the basalt fiber colored cloth with high dye uptake and small color difference is obtained by matching with the dyeing process, and the color of the basalt fiber is not faded after being washed.

The invention is further configured to: when the basalt fiber cloth is coated by adopting a method of vacuum magnetron sputtering aluminum coating, the magnetron sputtering parameters are as follows: vacuum degree of 5 x 10^-3Pa, sputtering pressure of 0.3-0.5Pa, target base distance of 80-100mm, Ar gas flow of 80-150sccm, sputtering power variation range of 2-3kw, and coating thickness of 5-10 μm.

By adopting the technical scheme, the bonding strength between the basalt fiber cloth obtained after the coating and the coating is good through the parameter control, the coating is not full and is not partially aggregated, the coating is uniform, the thickness of the coated layer is uniform, the interface bonding uniformity is strong, the aluminum plating efficiency is high, the product cannot deform in the aluminum plating process, the basalt fiber cloth after the coating is dyed, the dyeing efficiency is high, the basalt fiber colored cloth with high dye uptake and small color difference is obtained, and the color of the basalt fiber cannot fade after the basalt fiber colored cloth is dyed. In addition, the dyeing process has less pollution and less production procedures, and the product quality can be ensured.

The invention is further configured to: in the aluminum plating process, 220-380V pulse bias voltage is applied to the aluminum-plated fiber cloth, the frequency of the pulse bias voltage is 40khz, the duty ratio is 20%, and the pulse waveform is square wave.

By adopting the technical scheme, the film forming rate can be increased by applying the pulse bias voltage, if the pulse bias voltage does not exist, the surface of the coating is rough, and after the pulse bias voltage is applied, the obtained coating is continuous and smooth, the tissue is compact, and the quality of the film layer is good.

The invention is further configured to: the dye solution comprises the following raw materials in parts by weight: 80-105 parts of water, 2-4 parts of dye, 0.8-2 parts of dispersing auxiliary agent and 0.5-1.5 parts of acetic acid, and more preferably, the dye solution comprises the following raw materials in parts by weight: 90-98 parts of water, 2-3 parts of dye, 1-1.5 parts of dispersing aid and 0.8-1.2 parts of acetic acid.

By adopting the technical scheme, the basalt fiber colored cloth with high dye-uptake and small color difference is finally obtained by controlling the dye liquor with the specific proportion and the dyeing parameters, the color of the basalt fiber cannot fade after being washed by the basalt fiber colored cloth, the pH value of the dye liquor with the proportion is 5.5-6, the activity and the attachment point of the dye liquor can be increased by controlling the pH value of the dye liquor, and the basalt fiber cloth can be dyed more easily when being dyed.

The invention is further configured that hexafluoroisopropanol is selected as the dispersing aid.

By adopting the technical scheme, when the hexafluoroisopropanol is selected as the dispersing auxiliary, the dyeing rate and the dyeing uniformity of the basalt fiber cloth are higher.

The invention is further configured to: mixing pigment, acetic acid and dispersant uniformly, adding water and stirring uniformly, heating the mixed solution, adding basalt fiber cloth when the temperature is raised to 80 ℃, raising the temperature to 110-140 ℃ at the speed of 5 ℃/min, keeping the temperature for 30-40min, more preferably adding water for 2-3 times, and stirring uniformly after adding water each time.

By adopting the technical scheme, when the scheme is adopted for dyeing during dyeing, especially by controlling the temperature and the heating rate of the dye liquor when the basalt fiber is added, the dyeing rate and the dispersibility of the dye are improved, and finally the basalt fiber colored cloth with high dyeing rate and small color difference is obtained.

The invention is further configured to: the specific operations of the basalt fiber cloth surface pretreatment are as follows: soaking the basalt fiber cloth in acetone for 25-30 min, then ultrasonically cleaning in absolute ethyl alcohol for 10min, and drying.

By adopting the technical scheme, after the surface of the basalt fiber is pretreated, on one hand, grease and impurities on the surface of the basalt fiber cloth can be removed, and on the other hand, the quality and the speed of a subsequent plating layer are facilitated.

In order to achieve the second object, the invention provides the following technical scheme: the basalt fiber colored cloth is characterized by being prepared by the dyeing method.

By adopting the technical scheme, the basalt fiber colored cloth with high dye uptake and small color difference is obtained by adopting the dyeing method provided by the invention, and the basalt fiber colored cloth does not fade after being washed.

In order to achieve the third object, the invention provides the following technical solutions: the application of the basalt fiber color cloth is applied to basalt fiber products.

By adopting the technical scheme, the method provided by the invention comprises the steps of firstly plating an aluminum layer on the basalt fiber cloth to obtain a coating with a lighter surface color, then dyeing the coating, wherein on one hand, the dyeing rate is high, the color difference of the product is small, on the other hand, the dyeing range is wider, light-color dyes can be dyed, deep-color dyes can also be dyed to obtain basalt fiber colored cloth with various colors, and then the basalt fiber colored cloth is combined with the excellent properties of high strength, high temperature resistance, corrosion resistance and the like of the basalt fiber cloth, so that the basalt fiber colored cloth can be applied to fire-proof clothes, the fields of bag making and the like, and the application range is wide.

The invention is further configured to: the basalt fiber color cloth is applied to the fireproof suit, and the dye is orange when the basalt fiber cloth is dyed, so that the orange basalt fiber color cloth is obtained.

By adopting the technical scheme, the basalt fiber cloth is applied to the fire-fighting fire-proof suit by utilizing the high-temperature resistance of the basalt fiber cloth, has excellent performance, and the obtained basalt fiber colorful water cloth does not fade after washing and has excellent high-temperature resistance.

In conclusion, the invention has the following beneficial effects:

1. the method comprises the steps of plating a coating on the surface of the basalt fiber cloth to cover the dark color of the basalt fiber cloth, then dyeing the coated basalt fiber cloth, and matching with the control of dyeing process parameters, wherein the dyeing rate is high, the basalt fiber colored cloth with various colors can be obtained, the finally obtained basalt fiber colored cloth has high dyeing rate and small color difference value which are both less than 3.5, and the obtained basalt fiber colored cloth does not fade after washing;

2. according to the invention, the combination strength between the basalt fiber cloth obtained after aluminum plating and the plating layer is good through controlling the parameters of the vacuum sputtering aluminum plating process, the plating layer is not full and has no phenomenon of partial aggregation, the plating layer is uniform, the thickness of the aluminum plating layer is uniform, the interface combination uniformity is strong, the aluminum plating efficiency is high, the product is not deformed in the aluminum plating process, the basalt fiber cloth after the plating layer is dyed, the dyeing efficiency is high, the basalt fiber color cloth with high dyeing rate and small color difference is obtained, and the color of the basalt fiber cloth is not faded after being subjected to color water distribution washing;

3. the dyeing process provided by the invention has the advantages of small pollution, less production procedures and capability of ensuring the quality of products;

4. the method provided by the invention comprises the steps of firstly plating an aluminum layer on the basalt fiber cloth to obtain a coating with a lighter surface color, then dyeing on the coating, on one hand, the dye-uptake is high, the color difference of the product is small, on the other hand, the dyeing range is wider, light-color dyes can be dyed, deep-color dyes can also be dyed to obtain various colors of basalt fiber colored cloth, and then the basalt fiber colored cloth is combined with the excellent properties of high strength, high temperature resistance, corrosion resistance and the like of the basalt fiber cloth, so that the basalt fiber colored cloth can be applied to fire-proof clothes, can also be applied to the fields of bag making and the like, and has a wide application.

Detailed Description

The present invention will be described in further detail with reference to examples.

The raw materials of the invention are all from the common market except the special description.

The invention provides a method for dyeing basalt fiber cloth with high dye uptake, which comprises the following steps:

pretreatment of the surface of basalt fiber cloth: pretreating the surface of the basalt fiber to remove oil and impurities;

plating: plating a coating on the surface of the basalt fiber cloth subjected to surface pretreatment to cover the surface of the basalt fiber cloth with a dark color;

dyeing: dyeing is carried out according to the mass of the basalt fiber cloth required to be dyed according to the bath ratio of 1 (10-12), and the preparation of the dye solution is as follows: uniformly mixing 2-4 parts of dye, 0.8-2 parts of dispersing auxiliary agent and 0.5-1.5 parts of acetic acid in parts by weight, then adding 80-105 parts of water, uniformly stirring to obtain a dye solution, wherein the pH value of the dye solution is 5.5-6, heating the mixed solution, adding basalt fiber cloth with a coating on the surface after the temperature is raised to 80 ℃, then raising the temperature to 110 ℃./min at the speed of 5 ℃/min, keeping the temperature for 30-40min, taking the basalt fiber cloth, and drying in the air, wherein more preferably, the dye solution comprises the following raw materials in parts by weight: 90-98 parts of water, 2-3 parts of dye, 1-1.5 parts of dispersing aid and 0.8-1.2 parts of acetic acid, wherein the water is added for 2-3 times, the mixture is uniformly stirred after each addition, the dispersing aid can be a dye dispersing aid commonly used in the dyeing field, and the dispersing aid in the invention is preferably hexafluoroisopropanol.

In the step of plating, the method for plating the surface of the basalt fiber cloth can adopt a method of vacuum magnetron sputtering aluminum plating film, chemical copper plating layer or chemical nickel plating layer.

When the vacuum magnetron sputtering aluminum film plating method is adopted in the plating step, the specific operation of the basalt fiber cloth surface pretreatment is as follows: soaking basalt fiber cloth in acetone for 25-30 min, then ultrasonically cleaning in absolute ethyl alcohol for 10min, and drying;

then carrying out vacuum magnetron sputtering aluminum plating film in vacuum magnetron sputtering equipment, wherein magnetron sputtering parameters are controlled as follows: vacuum degree of 5 x 10^-3Pa, sputtering pressure of 0.3-0.5Pa, target base distance of 80-100mm, Ar gas flow of 80-150sccm, sputtering power variation range of 2-3kw, and plating layerThe thickness is 5-10 μm;

more preferably, in the aluminizing process, is applied on the aluminized fiber cloth? -? V pulse bias voltage, the frequency of the pulse bias voltage is 40kHz, the duty ratio is 20%, the pulse waveform is square wave, and the pulse bias voltage is directly provided by a pulse bias voltage power supply.