CN105369592A - Preparation method of alumina sol pure-cotton fabric antistatic finishing agent and arrangement method of alumina sol pure-cotton fabric - Google Patents
Preparation method of alumina sol pure-cotton fabric antistatic finishing agent and arrangement method of alumina sol pure-cotton fabric Download PDFInfo
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Abstract
The invention discloses a preparation method of an alumina sol pure-cotton fabric antistatic finishing agent. The method includes the following operation steps of firstly, dissolving aluminium isopropoxide in ethyl alcohol to be evenly stirred; secondly, heating deionized water and adding aluminium isopropoxide dissolved in ethyl alcohol to the heated deionized water at a constant temperature to be evenly mixed and then stirred in a backflow mode in a three-necked flask with a stirring function, a backflow function and a feed function; thirdly, raising the temperature, volatilizing ethyl alcohol by opening necks, adding a hydrochloric acid solution, dispersing sediments, and then conducting aging for 5 hours. The invention further discloses an arrangement method of an alumina sol pure-cotton fabric through the alumina sol pure-cotton fabric antistatic finishing agent. A low-temperature reaction is conducted after aluminium isopropoxide is dissolved in ethyl alcohol, and the stability of the synthesized antistatic finishing agent can be improved; meanwhile, the washing resistance of the arranged pure-cotton fabric is improved, and high market popularization value is achieved.
Description
Technical field:
The invention belongs to functions of textile fabrics design field, relate to a kind of preparation and method for sorting of alumina sol pure cotton fabric antistatic finishing agent.
Background technology:
It is generally acknowledged that wearing textile Work Clothes can prevent clothes accumulation of static electricity, thus with regard to safety, actual this viewpoint has one-sidedness.Only have when relative air humidity higher than 50% time just substantially like this; And when relative humidity is lower, the carried charge of textile goods obviously increases.Test shows, relative humidity lower than 30% time, carried charge and the terylene of pure cotton fabric are suitable; And when relative humidity lower than 20% time, the carried charge of COTTON FABRIC even can higher than some chemical & blended fabric.So in dry area, textile goods can not eliminate clothes electrostatic hazard.
The selection of current antistatic finishing agent, generally there is the organic substance that hygroscopicity is stronger, as the polyalcohol such as glycerine, polyethylene glycol, the materials such as the inorganic salts that hygroscopicity is stronger and ion-type potassium bromide, or there is adsorptivity and direction-sense surfactant, be easy to the crosslinked group of fabric and modified resin, compound resin and reactive organic silicone resin etc.
Non-permanent antistatic finish mainly uses surfactant to arrange fabric or fiber, and fiber surface hydrophily is strengthened.When the relative humidity of air improves, fiber surface forms the adsorption layer of water, and ratio resistance reduces.Kinds of surfactants for antistatic finish is a lot, its antistatic property for raising spinning property and economic benefit each variant.Consider from all round properties, with CATION and amphoteric surfactant performance best, nonionic surface active agent is poor.In addition, mixed type, organosilicon, Organic fluoride, fluosilicic surfactant and high score subclass antistatic additive is also had to can be used for the antistatic finish of dacron.
Chinese invention patent CN200510117126.8 discloses a kind of nano antistatic finishing agent and its preparation method and application, and described finishing agent contains alumina sol and in the non-ionic surface active agent of PVA and 0.1-1 % by weight of alumina sol 0.1-0.5 % by weight.The present invention, owing to adopting nano grade inorganic material, can obtain splendid antistatic effect, and use simple, materials are economized, and cost is low, and polluting few, is that the present invention is closest to prior art.This invention finishing agent can be used in the antistatic finish process of the modified fibre textiless such as terylene, cotton synthetic fibre, acrylic fibers or polypropylene fibre, and pure cotton fiber, for salt acid-sensitive, is easily destroyed by acid, and therefore this invention finishing agent does not have good applicability for pure cotton fabric.The washability of this invention finishing agent antistatic effect is poor simultaneously, is unfavorable for marketing.
Donghua University Guo master snowflake is pointed out in the Master's thesis " alumina sol is studied for the antistatic finish of dacron " to complete for 2011, take aluminium isopropoxide as presoma, water is solvent, Borolon colloidal sol, by rolling-dry-and roast technique the alumina sol of synthesis is applied to dacron, play anlistatig effect.Know through the analysis of nano-particle size analysis instrument, the average particle Eurya plant of the alumina sol of synthesis is about 10nm, design orthogonal test has inquired into best finishing condition, from antistatic result: finishing condition is: baking temperature 100 DEG C, the time of baking is 1min, after arranging, the half-life of dacron can drop to and is less than 0.5s from being greater than 130s, and electrostatic pressure drops to be less than 50V by being greater than 1300V.Wash antistatic effect after half an hour through 40 DEG C of water temperatures to decline to some extent, fastness has much room for improvement.This paper is attempted adopting alumina/silica complex sol to improve anlistatig washability, and washability is necessarily improved, but effect is also satisfactory not.
Summary of the invention:
Technical problem solved by the invention: for prior art Problems existing, a kind of preparation and method for sorting of alumina sol pure cotton fabric antistatic finishing agent are provided, improve the stability of Borolon colloidal sol antistatic finishing agent, improve the water-fastness ability of pure cotton fabric after arranging simultaneously, there is higher market popularization value.
The invention provides following technical scheme:
A preparation method for alumina sol pure cotton fabric antistatic finishing agent, comprises following operating procedure:
The first step: aluminium isopropoxide is dissolved in ethanol, aluminium isopropoxide and ethanol mol ratio are 1:18-20, stir;
Second step: in the there-necked flask that stirring, backflow and reinforced function are housed, deionized water is heated to 75-80 DEG C, slowly adds after constant temperature in the first step with the aluminium isopropoxide that ethanol dissolves, mix rear return stirring 2-2.5 hour;
3rd step: be warming up to 90 DEG C, uncovered by ethanol volatilization, the hydrochloric acid solution of interpolation aluminium isopropoxide quality 15-20%, obtains aluminium oxide antistatic finishing agent for 5 hours by ageing after sediment dispersion.
Preferably, be dissolved in ethanol in the described first step by aluminium isopropoxide, mol ratio is 1:18, stirs.
Preferably, in the described first step, concentration of alcohol is 95%.
Preferably, in described second step, deionized water is heated to 75 DEG C, slowly adds after constant temperature in the first step with the aluminium isopropoxide that ethanol dissolves, mix rear return stirring 2.5 hours.
Preferably, the hydrochloric acid solution of aluminium isopropoxide quality 17% is added in described 3rd step.
Preferably, in described 3rd step, the mass fraction of hydrochloric acid solution is 5%.
Alumina sol pure cotton fabric antistatic finishing agent, to a method for sorting for pure cotton fabric, comprises the following steps:
Immersed by pure cotton fabric in the sodium hydroxide solution of 5g/L and carry out alkali treatment, treatment temperature is 50 DEG C, and the processing time is 15 minutes, and bath raio is 1:30, takes out to drain and rinse post-drying with clear water after process;
Allow two leachings two in alumina sol antistatic finishing agent roll the pure cotton fabric after drying, padding machine pressure is 0.8kg/cm
2, liquid carrying rate is 30-35%, and 90 DEG C of preliminary dryings baked 1 minute after 2 minutes at 150 DEG C of temperature;
Wash 20 minutes in pure cotton fabric after baking 50 DEG C of temperature soap lyes, soap lye concentration is 5g/L, and bath raio is 1:20, rinses well after washing with clear water.
Beneficial effect of the present invention:
1, aluminium isopropoxide is dissolved rear low-temp reaction by ethanol by the present invention, can improve the stability of synthesis antistatic finishing agent, improve the water-fastness ability of pure cotton fabric after arranging simultaneously, have higher market popularization value.
2, the textile antistatic finishing agent of the present invention can improve the problem of pure cotton fabric antistatic effect difference under the low humidity, and antistatic effect is excellent.
3, the present invention is less for the impact of pure cotton fabric dyefastness, minimum to the mechanical impact of pure cotton fabric, and non-stimulated smell is free from environmental pollution, does not damage human body, health environment-friendly.
Detailed description of the invention:
Be described in detail embodiments of the invention below, the present embodiment is implemented under premised on invention technical scheme, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.The experimental program of unreceipted actual conditions in embodiment, the condition that conveniently condition or manufacturer advise usually is implemented.
Embodiment one
A preparation method for alumina sol pure cotton fabric antistatic finishing agent, comprises following operating procedure:
The first step: aluminium isopropoxide being dissolved in concentration is in the ethanol of 95%, and aluminium isopropoxide and ethanol mol ratio are 1:18, stir;
Second step: in the there-necked flask that stirring, backflow and reinforced function are housed, deionized water is heated to 75 DEG C, slowly adds after constant temperature in the first step with the aluminium isopropoxide that ethanol dissolves, mix rear return stirring 2 hours;
3rd step: be warming up to 90 DEG C, uncovered by ethanol volatilization, the hydrochloric acid solution (mass fraction is 5%) of interpolation aluminium isopropoxide quality 15%, obtains aluminium oxide antistatic finishing agent for 5 hours by ageing after sediment dispersion.
Embodiment two
A preparation method for alumina sol pure cotton fabric antistatic finishing agent, comprises following operating procedure:
The first step: aluminium isopropoxide being dissolved in concentration is in the ethanol of 95%, and aluminium isopropoxide and ethanol mol ratio are 1:20, stir;
Second step: in the there-necked flask that stirring, backflow and reinforced function are housed, deionized water is heated to 80 DEG C, slowly adds after constant temperature in the first step with the aluminium isopropoxide that ethanol dissolves, mix rear return stirring 2.5 hours;
3rd step: be warming up to 90 DEG C, uncovered by ethanol volatilization, the hydrochloric acid solution (mass fraction is 5%) of interpolation aluminium isopropoxide quality 20%, obtains aluminium oxide antistatic finishing agent for 5 hours by ageing after sediment dispersion.
Embodiment three
A preparation method for alumina sol pure cotton fabric antistatic finishing agent, comprises following operating procedure:
The first step: aluminium isopropoxide being dissolved in concentration is in the ethanol of 95%, and aluminium isopropoxide and ethanol mol ratio are 1:18, stir;
Second step: in the there-necked flask that stirring, backflow and reinforced function are housed, deionized water is heated to 80 DEG C, slowly adds after constant temperature in the first step with the aluminium isopropoxide that ethanol dissolves, mix rear return stirring 2 hours;
3rd step: be warming up to 90 DEG C, uncovered by ethanol volatilization, the hydrochloric acid solution (mass fraction is 5%) of interpolation aluminium isopropoxide quality 20%, obtains aluminium oxide antistatic finishing agent for 5 hours by ageing after sediment dispersion.
Embodiment four
A preparation method for alumina sol pure cotton fabric antistatic finishing agent, comprises following operating procedure:
The first step: aluminium isopropoxide being dissolved in concentration is in the ethanol of 95%, and aluminium isopropoxide and ethanol mol ratio are 1:20, stir;
Second step: in the there-necked flask that stirring, backflow and reinforced function are housed, deionized water is heated to 75 DEG C, slowly adds after constant temperature in the first step with the aluminium isopropoxide that ethanol dissolves, mix rear return stirring 2.5 hours;
3rd step: be warming up to 90 DEG C, uncovered by ethanol volatilization, the hydrochloric acid solution (mass fraction is 5%) of interpolation aluminium isopropoxide quality 15%, obtains aluminium oxide antistatic finishing agent for 5 hours by ageing after sediment dispersion.
Embodiment five
A preparation method for alumina sol pure cotton fabric antistatic finishing agent, comprises following operating procedure:
The first step: aluminium isopropoxide being dissolved in concentration is in the ethanol of 95%, and aluminium isopropoxide and ethanol mol ratio are 1:19, stir;
Second step: in the there-necked flask that stirring, backflow and reinforced function are housed, deionized water is heated to 78 DEG C, slowly adds after constant temperature in the first step with the aluminium isopropoxide that ethanol dissolves, mix rear return stirring 2 hours;
3rd step: be warming up to 90 DEG C, uncovered by ethanol volatilization, the hydrochloric acid solution (mass fraction is 5%) of interpolation aluminium isopropoxide quality 18%, obtains aluminium oxide antistatic finishing agent for 5 hours by ageing after sediment dispersion.
Embodiment six
A preparation method for alumina sol pure cotton fabric antistatic finishing agent, comprises following operating procedure:
The first step: aluminium isopropoxide being dissolved in concentration is in the ethanol of 95%, and aluminium isopropoxide and ethanol mol ratio are 1:18, stir;
Second step: in the there-necked flask that stirring, backflow and reinforced function are housed, deionized water is heated to 75 DEG C, slowly adds after constant temperature in the first step with the aluminium isopropoxide that ethanol dissolves, mix rear return stirring 2.5 hours;
3rd step: be warming up to 90 DEG C, uncovered by ethanol volatilization, hydrochloric acid (mass fraction the is 5%) solution of interpolation aluminium isopropoxide quality 17%, obtains aluminium oxide antistatic finishing agent for 5 hours by ageing after sediment dispersion.
The method for sorting of embodiment of the present invention finishing agent is comprise the following steps:
Immersed by pure cotton fabric in the sodium hydroxide solution of 5g/L and carry out alkali treatment, treatment temperature is 50 DEG C, and the processing time is 15 minutes, and bath raio is 1:30, takes out to drain and rinse post-drying with clear water after process;
Allow two leachings two in alumina sol antistatic finishing agent roll the pure cotton fabric after drying, padding machine pressure is 0.8kg/cm
2, liquid carrying rate is 30-35%, and 90 DEG C of preliminary dryings baked 1 minute after 2 minutes at 150 DEG C of temperature;
Wash 20 minutes in pure cotton fabric after baking 50 DEG C of temperature soap lyes, soap lye concentration is 5g/L, and bath raio is 1:20, rinses well after washing with clear water.
Antistatic effect method of testing:
The present invention adopts antistatic effect method of testing to be half-life method and the frictional electrification voltage method of static of the fabric performance test.
Half-life method: give a certain amount of electric charge for fibre, so reduces to the time required for half with mensuration electric charge or decompression.Test environment temperature is 20 ± 5 DEG C, and relative humidity is 30-40%.
Frictional electrification voltage method: under some tension, makes sample and the mutual friction of standard cloth phase, until material charged stable after measure its electrostatic potential value.Test environment temperature is 20 ± 5 DEG C, and relative humidity is 30-40%.
The test of electrostatic defending fabric index is the problem of a more complicated, and the result adopting different method of testing or tester to obtain often has very large difference, and test condition slightly changes also can produce different results, affects the comparativity of data.Current GB standardization body not yet formulates unified standard, and various countries have made some standards, although perfect not, can use for reference.
Wherein the half-life reflects the fast jogging speed of the charged rear decay of fabric, version mopping and sample with electrostatic be pressed with very close relationship, and with the specification of sample, flatness has certain relation, and between the charged rear charge decay rate of textiles, gap is larger.Frictional electrification voltage reflects fabric anlistatig ability under the state of film material, his friction phenomenon in the actual application of textiles is quite similar, but frictional contact conditions and friction pressure in test process, friction velocity all produces considerable influence to result.
Method of testing of the present invention adopts consistent laboratory operating procedures to contrast as far as possible.The present invention measures half-life and electrostatic pressure according to FZ/T01042-1996 on YG342 type induction type electro static instrument.
Table one: pure cotton fabric half-life and friction static voltage test result after embodiment arranges
| Half-life (s) | Electrostatic pressure (v) | |
| Embodiment one | 0.313±0.022 | 32.73±1.46 |
| Embodiment two | 0.300±0.011 | 44.24±0.71 |
| Embodiment three | 0.304±0.025 | 41.75±1.39 |
| Embodiment four | 0.291±0.011 | 43.67±0.74 |
| Embodiment five | 0.294±0.017 | 45.17±1.30 |
| Embodiment six | 0.283±0.021 | 31.75±1.07 |
| Do not arrange | 2.080±0.125 | 392.24±5.99 |
Table two: half-life and friction static voltage test result after pure cotton fabric washes 10 times after embodiment arranges
| Half-life (s) | Electrostatic pressure (v) | |
| Embodiment one | 0.407±0.017 | 54.95±2.04 |
| Embodiment two | 0.419±0.019 | 50.86±1.03 |
| Embodiment three | 0.464±0.014 | 56.93±1.44 |
| Embodiment four | 0.491±0.013 | 55.33±1.25 |
| Embodiment five | 0.443±0.036 | 55.63±1.98 |
| Embodiment six | 0.401±0.023 | 50.84±2.07 |
| Do not arrange | 2.273±1.017 | 389.36±5.14 |
Table three: half-life and friction static voltage test result after pure cotton fabric washes 30 times after embodiment arranges
| Half-life (s) | Electrostatic pressure (v) | |
| Embodiment one | 0.659±0.100 | 65.46±1.40 |
| Embodiment two | 0.568±0.075 | 63.07±2.26 |
| Embodiment three | 0.572±0.087 | 62.52±2.31 |
| Embodiment four | 0.639±0.067 | 60.16±1.35 |
| Embodiment five | 0.649±0.080 | 63.60±1.63 |
| Embodiment six | 0.548±0.070 | 62.13±1.10 |
| Do not arrange | 2.289±1.213 | 393.36±7.22 |
Described in table one table two table three, data are all expressed in the mode of average ± variance.
Physical and mechanical properties is tested:
Ultimate strength measures: according to GB GB/T3932-1997 " textile fabric tensile property part 1: the mensuration-galley proof method of ultimate strength and extension at break ", sample is 25cm × 5cm, and five Five Weis, average.
Tearing brute force measures: according to GB GB/T3917.1-1997 " textile fabric tear properties part 1: the mensuration-impact pendulnm method of tearing brute force ", sample is 8cm × 6.3cm, and five Five Weis, average.
Ventilation characteristic measuring: according to GB GB/T5453-1997 " test of textile fabric gas permeability ", measure 10 times to the different parts of every block sample, averages and represents sample gas permeability.
Table four: pure cotton fabric measuring mechanical property result after embodiment arranges
Described data are all expressed in the mode of average ± variance.
Finish fabric whiteness test
Be that standard contrasts with blank, guarantee light tight by fabric overlap at least 8 layers, be placed in whiteness instrument and carry out testing (the prior preheating l hour of whiteness instrument), random test 3 point, averages.
Table five: pure cotton fabric whiteness test result after embodiment arranges
| Whiteness | |
| Embodiment one | 81.35±1.44 |
| Embodiment two | 80.79±1.83 |
| Embodiment three | 80.73±1.17 |
| Embodiment four | 81.38±1.25 |
| Embodiment five | 81.49±1.04 |
| Embodiment six | 81.56±1.03 |
| Do not arrange | 82.52±1.49 |
Described data are all expressed in the mode of average ± variance.
Above content is only better embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (7)
1. a preparation method for alumina sol pure cotton fabric antistatic finishing agent, is characterized in that, comprises following operating procedure:
The first step: aluminium isopropoxide is dissolved in ethanol, aluminium isopropoxide and ethanol mol ratio are 1:18-20, stir;
Second step: in the there-necked flask that stirring, backflow and reinforced function are housed, deionized water is heated to 75-80 DEG C, slowly adds after constant temperature in the first step with the aluminium isopropoxide that ethanol dissolves, mix rear return stirring 2-2.5 hour;
3rd step: be warming up to 90 DEG C, uncovered by ethanol volatilization, the hydrochloric acid solution of interpolation aluminium isopropoxide quality 15-20%, obtains aluminium oxide antistatic finishing agent for 5 hours by ageing after sediment dispersion.
2. the preparation method of a kind of alumina sol pure cotton fabric antistatic finishing agent according to claim 1, it is characterized in that: be dissolved in ethanol by aluminium isopropoxide in the described first step, mol ratio is 1:18, stirs.
3. the preparation method of a kind of alumina sol pure cotton fabric antistatic finishing agent according to claim 1, is characterized in that: in the described first step, concentration of alcohol is 95%.
4. the preparation method of a kind of alumina sol pure cotton fabric antistatic finishing agent according to claim 1, it is characterized in that: in described second step, deionized water is heated to 75 DEG C, slowly to add after constant temperature in the first step with the aluminium isopropoxide that ethanol dissolves, mix rear return stirring 2.5 hours.
5. the preparation method of a kind of alumina sol pure cotton fabric antistatic finishing agent according to claim 1, is characterized in that: the hydrochloric acid solution adding aluminium isopropoxide quality 17% in described 3rd step.
6. the preparation method of a kind of alumina sol pure cotton fabric antistatic finishing agent according to claim 1, is characterized in that: in described 3rd step, the mass fraction of hydrochloric acid solution is 5%.
7. the alumina sol pure cotton fabric antistatic finishing agent that one of claim 1 to 6 is described, to the method for sorting of pure cotton fabric, is characterized in that: comprise the following steps:
Immersed by pure cotton fabric in the sodium hydroxide solution of 5g/L and carry out alkali treatment, treatment temperature is 50 DEG C, and the processing time is 15 minutes, and bath raio is 1:30, takes out to drain and rinse post-drying with clear water after process;
Allow two leachings two in alumina sol antistatic finishing agent roll the pure cotton fabric after drying, padding machine pressure is 0.8kg/cm
2, liquid carrying rate is 30-35%, and 90 DEG C of preliminary dryings baked 1 minute after 2 minutes at 150 DEG C of temperature;
Wash 20 minutes in pure cotton fabric after baking 50 DEG C of temperature soap lyes, soap lye concentration is 5g/L, and bath raio is 1:20, rinses well after washing with clear water.
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Application publication date: 20160302 |