CN104278567A - Supercritical carbon dioxide dyeing technology for low-temperature-plasma pretreatment of aramid fiber/viscose glue blended fabric - Google Patents
Supercritical carbon dioxide dyeing technology for low-temperature-plasma pretreatment of aramid fiber/viscose glue blended fabric Download PDFInfo
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Abstract
The invention relates to a supercritical carbon dioxide dyeing technology for low-temperature-plasma pretreatment of aramid fiber/viscose glue blended fabric. The technology employs supercritical CO2 as a medium to dye fabric, and is a novel waterless dyeing technology. Compared with conventional dyeing methods, the technology has the advantages of water saving, environment protection, energy saving, dispensing with auxiliary agents and the like, is short in dyeing time, and is capable of shortening production period and improving economic benefit.
Description
Technical field
The present invention relates to field of textiles, be specifically related to the pretreated supercritical CO 2 dyeing technique of a kind of aramid fiber/viscose blend fabric low temperature plasma.
Background technology
Water is at a kind of very important medium of traditional dyeing process pilot scale, soak and swollen fiber with water, using water as solvent, dispersant or dye carrier, also the follow-up works such as cleaning will be carried out after having dyeed, at substantial water resource, the dyestuff of a large amount of non-set of good friend in the waste water of discharge after dyeing and auxiliary agent, and have some heavy metals, serious pollution is caused to environment.Along with water resource growing tension, particularly the improving constantly of people's environmental consciousness, traditional staining technique is challenged, people pursue without water or the pollution-free new dyeing technology using water less. and supercritical CO 2 staining technique has met these requirements just, water pollutions has been stopped, for specifying direction as the dyeing and finishing industry of draining rich and influential family from source.
Supercritical CO 2 dyeing has the following advantages compared with dyeing with traditional water bath: (1) can realize non-aqueous dyeing truly, has stopped water pollution problems, protection of the environment from source, fresh-water-saving resource; (2) dyestuff recoverable, and without the need to adding the auxiliary agents such as dispersant, levelling agent, detergent in dyeing course, saved dyeing cost; (3) dyeing need not carry out the operation such as reduction cleaning, oven dry after terminating, and simplifies dyeing, reduces energy consumption; (4) carbon dioxide is nontoxic, fabric face noresidue after dyeing, and can recycle, and can not cause greenhouse effects, to environment without any harm; (5) have dye amount and good level-dyeing property on good dyestuff, reproducibility is good; (6) some more chromophobe fibers in conventional water-bath dyeing, as polypropylene fibre etc., also can realize good dyeing; (7) dyeing arrival balance required time is short, greatly can shorten dyeing cycle, enhance productivity.
As from the foregoing, the dyeing of a kind of efficient, environmental protection during supercritical CO 2 dyeing.Therefore, it is feasible that supercritical CO 2 staining technique is applied to printing and dyeing industry, and has huge development potentiality.
Aramid fiber is that the main chain of polymer macromolecule is made up of aromatic rings and amido link, and wherein the amide groups Direct Bonding of at least 85% is on aromatic rings, the nitrogen-atoms in the amide groups of each repetitive and carbonyl are all directly connected with the carbon atom in aromatic rings and replace the polymer of one of them hydrogen atom.Aramid fiber is a kind of high strength, high-modulus, low-density and the good heat-proof combustion-resistant fiber of ABRASION RESISTANCE.
Viscose is mainly with the regenerated celulose fibre that cotton or wood are produced for raw material, and viscose has " cotton essence, the quality of silk ", is genuine ecological fiber.It comes from sky but is better than natural, is therefore widely used in the aspect such as textile garment fabric and trimming cloth.Viscose is widely used in silk, weaves, knitting, braiding and line processed, making herbs into wool industry, rayon lining twill, Fu Chunfang and various silk quilt covers etc. can be made into separately, can interweave with fibers such as hair, fiber crops, silks again, also can be woven into camlet, soft silk and shameuse etc. with cotton yarn, silk, synthetic fiber.Because it is comfortable and easy to wear, be particularly suitable for making underwear.
The BLENDED FABRIC of aramid fiber and viscose glue has soft feel, good bulkiness, drapability, sucting wet air permeability and good mechanical property, ABRASION RESISTANCE, good dyeability, good cloth cover fineness, COLOR FASTNESS and chance live charcoalization do not melt good characteristics such as dripping, can meet the quality requirement of medium-to-high grade flame-resistant garment, decorative fabric.Viscose generally uses reactive dyeing, and dyeing is similar to cotton.Every COLOR FASTNESS of DYED FABRICS is better.
The special research for aramid fiber/viscose fabric dyeing is fewer at present, and is by DISPERSE DYES and REACTIVE DYES one-bath dyeing to the main method of its dyeing, or is dyeed to it by the DISPERSE DYES with active group.
Mainly there is following problem in current staining conditions: (1) through-dyeing: there is a large amount of aromatic rings in aramid fiber 1313 strand, make its internal structure closely, and vitrification point is very high again, thus still cannot by fiber imbue under test high-temperature and high-pressure conditions; (2) light fastness: common High Temperature High Pressure cannot solve a difficult problem for aramid fiber light fastness difference; (3) depth: aramid fiber dyes, mostly just middle light.
Special also not reporting for aramid fiber/viscose fabric supercritical CO 2 dyeing at present.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to provide a kind of aramid fiber/viscose blend fabric low temperature plasma pretreated supercritical CO 2 dyeing technique.Described technique with supercritical CO 2 be medium to textile dyeing, be a kind of novel waterless staining technique.Compared with conventional coloring method, there is water saving, environmental protection, energy-conservation and without the need to making the advantages such as used additives.Dyeing time is short, can shorten the production cycle, increase economic efficiency.
The present invention is using aramid fiber/viscose blend fabric as research object, by low temperature plasma preliminary treatment to fabric preliminary treatment, and the design parameter of dyeing is studied, by the mensuration of the performances such as dye amount, dye level K/S value and every fastness on dyestuff, observe the change of preliminary treatment and the rear fiber strength of dyeing simultaneously, obtain suitable dyeing.
The present invention by the following technical solutions
The pretreated supercritical CO 2 dyeing technique of a kind of aramid fiber/viscose blend fabric low temperature plasma, its technological process comprises:
Cleaning pre-treatment → fabric at low temperature plasma preliminary treatment → the supercritical CO 2 dyeing of fabric.
Wherein, cleaning pre-treatment process flow process is: working solution → hot water wash (80 DEG C) → acetic acid cleaning → cold water drip washing → air dry → ironing → drying (40 DEG C).
Wherein, cleaning pre-treatment working solution prescription is: sodium carbonate 2.5-3.5g/L, JFC0.1-1g/L, NaOH 4-6g/L.
Wherein, Cement Composite Treated by Plasma comprises: the process chamber pending fabric being put into apparatus for processing plasma, vacuumizes subsequently and makes the vacuum in process chamber be less than 3Pa.Then working gas is passed into.Control certain processing time, power and pressure, plasma modification process is carried out to fabric.
Wherein, plasma process conditions is: gas medium Ar; Power 140-160W; Time 4-6min; Pressure 25-35Pa.
Wherein, supercritical CO 2 dyeing comprises the following steps: by fabric wrapping on cloth bracket, and is suspended in high pressure dyeing still, screws kettle cover; In dyestuff still, add filter cake dyestuff, screw kettle cover; Open condensing unit; Open carbon dioxide steel cylinder to exit in system, when steel cylinder pressure and system pressure balance, opening plunger pump pressurizes to system, and ON cycle pump makes system fluid be in recurrent state simultaneously; After pressure and temperature reaches predetermined value, dyeing timing; At predetermined temperature and pressure after the balance dyeing stipulated time, open pressure-reducing valve pressure release, carbon dioxide is recycled in steel cylinder after separating still, when steel cylinder pressure and system pressure balance, by remaining CO2 emission; After system cools to room temperature, open dyeing caldron, take out the fabric after dyeing.
Wherein, supercritical CO 2 dyeing parameter is: pressure 20-30Mpa, dyeing temperature 100-120 DEG C, and the time is 35-45min.
Wherein, described dye fuel is Disperse Blue-79, Red 167, disperse orange 30.
Wherein, preferred cleaning pre-treatment working solution prescription is: sodium carbonate 3g/L, JFC0.5g/L, NaOH 5g/L.
Wherein, preferred plasma process conditions is: gas medium Ar; Power 150W; Time 5min; Pressure 30Pa.
Wherein, preferred supercritical CO 2 dyeing parameter is: pressure 25Mpa, dyeing temperature 110 DEG C, and the time is 40min.
The present invention has the following advantages:
(1) technique of the present invention with supercritical CO 2 be medium to textile dyeing, be a kind of novel waterless staining technique.Compared with conventional coloring method, there is water saving, environmental protection, energy-conservation and without the need to making the advantages such as used additives.Dyeing time is short, can shorten the production cycle, increase economic efficiency.Therefore, advance this technological industrialization to apply, promotion dyeing and finishing cleaner production and energy-saving and emission-reduction are had important practical significance; Aramid fiber is classified as " green light " project by country, and the colouring problem of aramid fiber is never effectively solved, and the raising of aramid fiber dyeability and improvement will expand the Application Areas of aramid fiber further, promote developing rapidly of aramid fiber industry.
(2) supercritical carbon dioxide has good washing fastness to after aramid fiber/dying viscose glue, and after dyeing, the K/S value of fabric reaches 15.998, and dry fastness reaches 5 grades, and fastness to wet rubbing reaches 4-5 level, and high temperature resistant look becomes fastness and is 5 grades.
(3) supercritical CO 2 dyeing does not damage the longitude and latitude ultimate strength of fabric.On the contrary, find that the intensity of the fabric after dyeing is higher than former cloth on the contrary.
(4) loose colour of fabric face is little, without the need to carrying out the operation washing away loose colour again.
Detailed description of the invention
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art should understand, described embodiment is only help to understand the present invention, should not be considered as concrete restriction of the present invention.
Embodiment one
A supercritical CO 2 dyeing technique for aramid fiber/viscose blend fabric, its technological process comprises:
Cleaning pre-treatment → fabric at low temperature plasma preliminary treatment → the supercritical CO 2 dyeing of fabric.
Wherein, cleaning pre-treatment process flow process is: working solution → hot water wash (80 DEG C) → acetic acid cleaning → cold water drip washing → air dry → ironing → drying (40 DEG C).
Wherein, cleaning pre-treatment working solution prescription is: sodium carbonate 3g/L, JFC0.5g/L, NaOH 5g/L.
Wherein, Cement Composite Treated by Plasma comprises: the process chamber pending fabric being put into apparatus for processing plasma, vacuumizes subsequently and makes the vacuum in process chamber be less than 3Pa.Then working gas is passed into.Control certain processing time, power and pressure, plasma modification process is carried out to fabric.
Wherein, plasma process conditions is: gas medium Ar; Power 150W; Time 5min; Pressure 30Pa.
Wherein, supercritical CO 2 dyeing comprises the following steps: by fabric wrapping on cloth bracket, and is suspended in high pressure dyeing still, screws kettle cover; In dyestuff still, add filter cake fuel, screw kettle cover; Open condensing unit; Open carbon dioxide steel cylinder to exit in system, when steel cylinder pressure and system pressure balance, opening plunger pump pressurizes to system, and ON cycle pump makes system fluid be in recurrent state simultaneously; After pressure and temperature reaches predetermined value, dyeing timing; At predetermined temperature and pressure after the balance dyeing stipulated time, open pressure-reducing valve pressure release, carbon dioxide is recycled in steel cylinder after separating still, when steel cylinder pressure and system pressure balance, by remaining CO2 emission; After system cools to room temperature, open dyeing caldron, take out the fabric after dyeing.
Wherein, supercritical CO 2 dyeing parameter is: pressure 25Mpa, dyeing temperature 110 DEG C, and the time is 40min.
Embodiment two
A supercritical CO 2 dyeing technique for aramid fiber/viscose blend fabric, its technological process comprises:
Cleaning pre-treatment → fabric at low temperature plasma preliminary treatment → the supercritical CO 2 dyeing of fabric.
Wherein, cleaning pre-treatment process flow process is: working solution → hot water wash (80 DEG C) → acetic acid cleaning → cold water drip washing → air dry → ironing → drying (40 DEG C).
Wherein, cleaning pre-treatment working solution prescription is: sodium carbonate 2.5g/L, JFC are 0.1g/L, NaOH 4g/L.
Wherein, Cement Composite Treated by Plasma comprises: the process chamber pending fabric being put into apparatus for processing plasma, vacuumizes subsequently and makes the vacuum in process chamber be less than 3Pa.Then working gas is passed into.Control certain processing time, power and pressure, plasma modification process is carried out to fabric.
Wherein, plasma process conditions is: gas medium Ar; Power 140W; Time 4min; Pressure 25Pa.
Wherein, supercritical CO 2 dyeing comprises the following steps: by fabric wrapping on cloth bracket, and is suspended in high pressure dyeing still, screws kettle cover; In dyestuff still, add filter cake fuel, screw kettle cover; Open condensing unit; Open carbon dioxide steel cylinder to exit in system, when steel cylinder pressure and system pressure balance, opening plunger pump pressurizes to system, and ON cycle pump makes system fluid be in recurrent state simultaneously; After pressure and temperature reaches predetermined value, dyeing timing; At predetermined temperature and pressure after the balance dyeing stipulated time, open pressure-reducing valve pressure release, carbon dioxide is recycled in steel cylinder after separating still, when steel cylinder pressure and system pressure balance, by remaining CO2 emission; After system cools to room temperature, open dyeing caldron, take out the fabric after dyeing.
Wherein, supercritical CO 2 dyeing parameter is: pressure 20Mpa, dyeing temperature 100 DEG C, and the time is 35min.
Embodiment three
A supercritical CO 2 dyeing technique for aramid fiber/viscose blend fabric, its technological process comprises:
Cleaning pre-treatment → fabric at low temperature plasma preliminary treatment → the supercritical CO 2 dyeing of fabric.
Wherein, cleaning pre-treatment process flow process is: working solution → hot water wash (80 DEG C) → acetic acid cleaning → cold water drip washing → air dry → ironing → drying (40 DEG C).
Wherein, cleaning pre-treatment working solution prescription is: sodium carbonate 3.5g/L, JFC are 1g/L, NaOH 6g/L.
Wherein, Cement Composite Treated by Plasma comprises: the process chamber pending fabric being put into apparatus for processing plasma, vacuumizes subsequently and makes the vacuum in process chamber be less than 3Pa.Then working gas is passed into.Control certain processing time, power and pressure, plasma modification process is carried out to fabric.
Wherein, plasma process conditions is: gas medium Ar; Power 160W; Time 6min; Pressure 35Pa.
Wherein, supercritical CO 2 dyeing comprises the following steps: by fabric wrapping on cloth bracket, and is suspended in high pressure dyeing still, screws kettle cover; In dyestuff still, add filter cake fuel, screw kettle cover; Open condensing unit; Open carbon dioxide steel cylinder to exit in system, when steel cylinder pressure and system pressure balance, opening plunger pump pressurizes to system, and ON cycle pump makes system fluid be in recurrent state simultaneously; After pressure and temperature reaches predetermined value, dyeing timing; At predetermined temperature and pressure after the balance dyeing stipulated time, open pressure-reducing valve pressure release, carbon dioxide is recycled in steel cylinder after separating still, when steel cylinder pressure and system pressure balance, by remaining CO2 emission; After system cools to room temperature, open dyeing caldron, take out the fabric after dyeing.
Wherein, supercritical CO 2 dyeing parameter is: pressure 30Mpa, dyeing temperature 120 DEG C, and the time is 45min.
Applicant states, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (5)
1. the pretreated supercritical CO 2 dyeing technique of aramid fiber/viscose blend fabric low temperature plasma, its technological process comprises:
Cleaning pre-treatment → fabric at low temperature plasma preliminary treatment → the supercritical CO 2 dyeing of fabric;
Wherein, cleaning pre-treatment process flow process is: working solution → hot water wash (80 DEG C) → acetic acid cleaning → cold water drip washing → air dry → ironing → drying (40 DEG C);
Wherein, cleaning pre-treatment working solution prescription is: sodium carbonate 2.5-3.5g/L, JFC0.1-1g/L, NaOH 4-6g/L;
Wherein, Cement Composite Treated by Plasma comprises: the process chamber pending fabric being put into apparatus for processing plasma, vacuumizes subsequently and makes the vacuum in process chamber be less than 3Pa; Then working gas is passed into; Control certain processing time, power and pressure, plasma modification process is carried out to fabric;
Wherein, plasma process conditions is: gas medium Ar; Power 140-160W; Time 4-6min; Pressure 25-35Pa;
Wherein, supercritical CO 2 dyeing comprises the following steps: by fabric wrapping on cloth bracket, and is suspended in high pressure dyeing still, screws kettle cover; In dyestuff still, add filter cake dyestuff, screw kettle cover; Open condensing unit; Open carbon dioxide steel cylinder to exit in system, when steel cylinder pressure and system pressure balance, opening plunger pump pressurizes to system, and ON cycle pump makes system fluid be in recurrent state simultaneously; After pressure and temperature reaches predetermined value, dyeing timing; At predetermined temperature and pressure after the balance dyeing stipulated time, open pressure-reducing valve pressure release, carbon dioxide is recycled in steel cylinder after separating still, when steel cylinder pressure and system pressure balance, by remaining CO2 emission; After system cools to room temperature, open dyeing caldron, take out the fabric after dyeing;
Wherein, supercritical CO 2 dyeing parameter is: pressure 20-30Mpa, dyeing temperature 100-120 DEG C, and the time is 35-45min.
2. technique according to claim 1, wherein, described dye fuel is Disperse Blue-79, Red 167, disperse orange 30.
3. technique according to claim 1, wherein, preferred cleaning pre-treatment working solution prescription is: sodium carbonate 3g/L, JFC0.5g/L, NaOH 5g/L.
4. technique according to claim 1, wherein, preferred plasma process conditions is: gas medium Ar; Power 150W; Time 5min; Pressure 30Pa.
5. technique according to claim 1, wherein, preferred supercritical CO 2 dyeing parameter is: pressure 25Mpa, dyeing temperature 110 DEG C, and the time is 40min.
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Cited By (8)
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| CN104631155A (en) * | 2015-02-10 | 2015-05-20 | 上海婉静纺织科技有限公司 | Dyeing method of flame retardant blended fabric |
| CN106087379A (en) * | 2016-06-06 | 2016-11-09 | 盐城工学院 | A kind of non-aqueous dyeing method of polyimides fabric |
| CN106245385A (en) * | 2016-08-22 | 2016-12-21 | 闽江学院 | A kind of colouring method of luminescence generated by light fiber |
| CN109706722A (en) * | 2018-12-20 | 2019-05-03 | 中芳特纤股份有限公司 | A kind of preparation method of easy dyeing p-aramid fiber |
| CN110644225A (en) * | 2019-10-25 | 2020-01-03 | 中芳特纤股份有限公司 | Method for cleaning para-aramid staple fibers |
| CN111574848A (en) * | 2020-06-12 | 2020-08-25 | 大连工业大学 | Mixed dye and supercritical CO using same2Anhydrous black split dyeing method |
| CN111675925A (en) * | 2020-06-12 | 2020-09-18 | 大连工业大学 | Mixed dye and supercritical CO using same2Waterless color matching method |
| CN117071299A (en) * | 2023-10-18 | 2023-11-17 | 泰和新材集团股份有限公司 | Environment-friendly meta-aramid fiber dyeing method |
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- 2013-07-09 CN CN201310287162.3A patent/CN104278567A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104631155A (en) * | 2015-02-10 | 2015-05-20 | 上海婉静纺织科技有限公司 | Dyeing method of flame retardant blended fabric |
| CN106087379A (en) * | 2016-06-06 | 2016-11-09 | 盐城工学院 | A kind of non-aqueous dyeing method of polyimides fabric |
| CN106087379B (en) * | 2016-06-06 | 2017-12-29 | 盐城工学院 | A kind of non-aqueous dyeing method of polyimides fabric |
| CN106245385A (en) * | 2016-08-22 | 2016-12-21 | 闽江学院 | A kind of colouring method of luminescence generated by light fiber |
| CN109706722A (en) * | 2018-12-20 | 2019-05-03 | 中芳特纤股份有限公司 | A kind of preparation method of easy dyeing p-aramid fiber |
| CN110644225A (en) * | 2019-10-25 | 2020-01-03 | 中芳特纤股份有限公司 | Method for cleaning para-aramid staple fibers |
| CN111574848A (en) * | 2020-06-12 | 2020-08-25 | 大连工业大学 | Mixed dye and supercritical CO using same2Anhydrous black split dyeing method |
| CN111675925A (en) * | 2020-06-12 | 2020-09-18 | 大连工业大学 | Mixed dye and supercritical CO using same2Waterless color matching method |
| CN111574848B (en) * | 2020-06-12 | 2022-02-18 | 大连工业大学 | Mixed dye and supercritical CO using same2Anhydrous black split dyeing method |
| CN111675925B (en) * | 2020-06-12 | 2022-04-19 | 大连工业大学 | Mixed dye and supercritical CO using same2Waterless color matching method |
| CN117071299A (en) * | 2023-10-18 | 2023-11-17 | 泰和新材集团股份有限公司 | Environment-friendly meta-aramid fiber dyeing method |
| CN117071299B (en) * | 2023-10-18 | 2024-01-26 | 泰和新材集团股份有限公司 | Environment-friendly meta-aramid fiber dyeing method |
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