CN103173993B - Bleaching liquid and bleaching method for dacron cotton blended fabric - Google Patents
Bleaching liquid and bleaching method for dacron cotton blended fabric Download PDFInfo
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- CN103173993B CN103173993B CN201310051911.2A CN201310051911A CN103173993B CN 103173993 B CN103173993 B CN 103173993B CN 201310051911 A CN201310051911 A CN 201310051911A CN 103173993 B CN103173993 B CN 103173993B
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Abstract
The invention discloses a bleaching liquid and a bleaching method for a dacron cotton blended fabric. The bleaching liquid comprises the following components in parts by weight: 0.2 to 0.6 part of potassium borate, 0.5 to 1.5 parts of sodium ethylenediamine tetramethylene phosphonate, 0.5 to 1.5 parts of acrylic acid maleic acid copolymer, 0.5 to 1.5 parts of 1, 5-anhydrous glucitol, 1 to 3 parts of 4-(2-nonanoyl acyloxy ethyoxyl carbonyl oxygroup) sodium benzene sulfonate, 0.2 to 0.6 part of tetra acetyl ethylene diamine, 1.5 to 7.5 parts of sodium hydroxide, 2 to 8 parts of hydrogen peroxide and 1000 parts of water. When the bleaching liquid is used for bleaching the dacron cotton blended fabric, the bleaching process is simple, so that the bleaching liquid is suitable for mass production. The bleaching liquid is less in fabric strength damage and good in bleaching effect, and can be used for effectively preventing the fabric from being broken.
Description
Technical field
The present invention relates to the method for bleaching of a kind of fabric bleaching liquid and fabric, particularly relate to the method for bleaching of a kind of cotton-polyester blend fabric bleaching liquid and cotton-polyester blend fabric.
Background technology
In weave dyeing and finishing technique, fabric is after kiering, and on fabric, the natural and artificial impurity of major part removes, and capillary effect significantly improves, and can meet the processing request of some kinds.But to light figured cloth, the painting cloth class of BLEACHED FABRIC and lovely luster, also need to improve whiteness, therefore need to remove the pigment on fabric further, make fabric pure whiter.Though fabric is through kiering besides, especially normal pressure decatize kiering, still have partial impurities such as cotton seed hulls to fail entirely to remove, by the effect of bleaching agent, these impurity can remove completely.
Cotton dyeing factory widely uses the oxidative bleaches such as hypochlorite, hydrogen peroxide.To cotton and cotton fabric bleaching, peracid compound as perboric acid receive, peracetic acid, sodium percarbonate etc. are also even application, sodium chlorite is used for the bleaching of synthetic fiber and BLENDED FABRIC thereof.Usually floated referred to as chlorine by hypochlorite bleaching, hydrogen peroxide bleaching is referred to as oxygen bleaching, and chlorite bleaching floats referred to as Asia.
(1) hypochlorite bleaching
Conventional hypochlorite has bleaching powder and clorox two kinds.Bleaching powder is that chlorine and calcium hydroxide effect form, and if logical chlorine is in milk of lime, can obtain the bleaching powder doubled containing active ingredient; Logical chlorine in soda bath, then can obtain clorox.In bleaching powder and bleaching powder, active ingredient is calcium hypochlorite, and total effect is not as clorox.Cotton dyeing factory larger is at present normal oneself manufactures clorox, or buys clorox for bleaching to neighbouring chemical plant, and bleaching powder is difficult to obtain the small-sized printing and dyeing mill in area of clorox for small city or rural area.Bleaching powder price is more expensive, uses less.
Sodium hypochlorite bleaching technology and equipment is comparatively simple, is used for COTTON FABRIC and victoria blended spinning fabric bleaching, sometimes also bleaches for polyester cotton.But the bleaching of the protein fibre such as silk, wool can not be used for, because clorox has destruction to protein fibre, and make fiber yellowing.
(2) hydrogen peroxide bleaching
Hydrogen peroxide also claims hydrogen peroxide.Better with the fabric whiteness of hydrogen peroxide bleaching, pure color light, not easily yellowing during storage, is widely used in the bleaching of cotton fabric.Oxygen bleaching has larger adaptability than chlorine drift.
(3) chlorite bleaching
The great advantage that sodium chlorate is used for when COTTON FABRIC is bleached is under the condition not damaging fiber, can destroy pigment and impurity.Sodium chlorite is again the good bleaching agent of chemical fibre, and the retention of whiteness of BLEACHED FABRIC is better than the fabric of chlorine drift and oxygen bleaching, but sodium chlorite price is more expensive, strong to metal protection, by titanium or titanium alloy etc materials, and need produce poisonous ClO in sub-drift process
2gas, equipment need have good sealing, therefore in use, is subject to a definite limitation.
Summary of the invention
Technical problem to be solved by this invention is to provide the method for bleaching of a kind of cotton-polyester blend fabric bleaching liquid and cotton-polyester blend fabric.The method flow process is simple, is suitable for large production; Less to fabric strength damage, environmental protection.
For solving the problems of the technologies described above, the present invention is achieved through the following technical solutions:
A kind of cotton-polyester blend fabric bleaching liquid, is made up of following components in mass portion:
Potassium borate 0.2-0.6 part;
Sodium ethylenediamine tetramethylenephosphonate 0.5-1.5 part;
Acrylic acid maleic acid 0.5-1.5 part;
1,5-anhydrous grape sugar alcohol 0.5-1.5 part;
4-(2-oyloxyethoxy in ninth of the ten Heavenly Stems ketonic oxygen base) benzene sulfonic acid sodium salt 1-3 part;
Tetraacetyl ethylene diamine 0.2-0.6 part;
NaOH 1.5-7.5 part;
Hydrogen peroxide 2-8 part;
1000 parts, water.
Adopt the method that this area is general, above-mentioned each raw material is dissolved in the water, mixes and can obtain this cotton-polyester blend fabric bleaching liquid.
Here is the basic introduction of part material of the present invention, for the NaOH of this area routine, hydrogen peroxide and water, does not obviously need to be explained further again.
Potassium borate, English name: Potassium borate.CAS accession number: 1332-77-0.
Sodium ethylenediamine tetramethylenephosphonate, No. CAS: 22036-77-7.Molecular structural formula, as follows:
Acrylic acid maleic acid, is called for short AA/MA, No. CAS: 26677-99-6.
1,5-anhydrous grape sugar alcohol, another name: 1,5-acid anhydride-D-D-sorbite, CAS accession number: 154-58-5, English name: D-Glucitol.
4-(2-oyloxyethoxy in ninth of the ten Heavenly Stems ketonic oxygen base) benzene sulfonic acid sodium salt, molecular structural formula is as follows:
4-(2-oyloxyethoxy in ninth of the ten Heavenly Stems ketonic oxygen base) benzene sulfonic acid sodium salt, molecule is made up of two parts, and its one end is a longer nonpolar hydrocarbon chain, i.e. hydrophobic group; The other end is shorter polar group, i.e. a hydrophilic group, is a kind of surfactant of benzenesulfonates.
Tetraacetyl ethylene diamine, No. CAS: 10543-57-4, No. EC: 234-123-8, be called for short NOBS, English name: N, N, N', N'-Tetraacetyl ethyl enediamine.
Boron compound potassium borate and chelating agent sodium ethylenediamine tetramethylenephosphonate, acrylic acid maleic acid, 1, the synergies such as 5-anhydrous grape sugar alcohol, can act in hydrogen peroxide and free metal, catch trace metal ion, improve hydrogen peroxide stability in the solution in bleaching process, thus bleaching effect of the present invention can be improved to a greater degree.Amazingly be, bleach-activating 4-(2-oyloxyethoxy in ninth of the ten Heavenly Stems ketonic oxygen base) benzene sulfonic acid sodium salt in the present invention, the composite use of tetraacetyl ethylene diamine, bleaching effect can be improved further, and can effectively suppress the breakage of fabric and fade.
Cotton-polyester blend fabric bleaching liquid of the present invention, can adopt the conventional method of this area to bleach fabric, as filling-steaming process, pressurization boiling process, and the similar approach such as the infusion process within the scope of 60-100 DEG C.
Further,
Present invention also offers a kind of method for bleaching of cotton-polyester blend fabric, comprise and pad bleaching liquor, decatize and water-washing step,
Wherein, the bleaching liquor padded described in bleaching liquor step adopts above-mentioned cotton-polyester blend fabric bleaching liquid.
Preferably,
At room temperature, pad bleaching liquor, at 95-100 DEG C of decatize 45-60min, then wash 20-60min.
The advantage of technical solution of the present invention is mainly reflected in:
Adopt bleaching liquid of the present invention to bleach cotton-polyester blend fabric, bleaching process is simple, can be suitable for large production, and less to fabric strength damage, bleaching effect is good, and effectively can suppress the breakage of fabric.
Detailed description of the invention
In following embodiment and comparative example, the cotton-polyester blend fabric adopted, be the cotton fabric with 65wt% blend polyester of 35wt%, before bleaching, whiteness is 48%.
Embodiment 1
The preparation of cotton-polyester blend fabric bleaching liquid
Table 1: cotton-polyester blend fabric bleaching liquid formula table unit: kilogram
By the data corresponding to table 1, take each raw material.Under room temperature, by potassium borate, sodium ethylenediamine tetramethylenephosphonate, acrylic acid maleic acid, 1,5-anhydrous grape sugar alcohol, 4-(2-oyloxyethoxy in ninth of the ten Heavenly Stems ketonic oxygen base) benzene sulfonic acid sodium salt and tetraacetyl ethylene diamine are dissolved in the water, add NaOH and hydrogen peroxide again, mix, described cotton-polyester blend fabric bleaching liquid can be obtained.
Comparative example 1
By the data corresponding to table 1, take each raw material, be uniformly mixed, cotton-polyester blend fabric bleaching liquid can be obtained.
Comparative example 2
By the data corresponding to table 1, take each raw material, be uniformly mixed, cotton-polyester blend fabric bleaching liquid can be obtained.
Comparative example 3
By the data corresponding to table 1, take each raw material, be uniformly mixed, cotton-polyester blend fabric bleaching liquid can be obtained.
Embodiment 2
The method for bleaching of cotton-polyester blend fabric
Under room temperature, cotton-polyester blend fabric bleaching liquid obtained for embodiment 1 is padded cotton-polyester blend fabric, and with ironer mangle to 100% pick-up, then at 100 DEG C of decatize 50min, last normal temperature washes 30 minutes, dry.
Comparative example 4
Under room temperature, cotton-polyester blend fabric bleaching liquid obtained for comparative example 1 is padded cotton-polyester blend fabric, and with ironer mangle to 100% pick-up, then at 100 DEG C of decatize 50min, last normal temperature washes 30 minutes, dry.
Comparative example 5
Under room temperature, cotton-polyester blend fabric bleaching liquid obtained for comparative example 2 is padded cotton-polyester blend fabric, and with ironer mangle to 100% pick-up, then at 100 DEG C of decatize 50min, last normal temperature washes 30 minutes, dry.
Comparative example 6
Under room temperature, cotton-polyester blend fabric bleaching liquid obtained for comparative example 3 is padded cotton-polyester blend fabric, and with ironer mangle to 100% pick-up, then at 100 DEG C of decatize 50min, last normal temperature washes 30 minutes, dry.
Test case
To the embodiment 2 after bleaching and the cotton-polyester blend fabric of comparative example 4-6, carry out whiteness and tearing strength test.
Concrete method of testing is as follows:
Whiteness is detected according to FZ/T50013-2008 " cellulose chemistry fibre whiteness test method ".
By Elmendorf Tear tester test tearing strength, one is of a size of the test sample two ends clamping of 6.5cm × 10cm, the otch of a 2cm is vertically cut at position therebetween, tearing to the maximum grams shown by this point of 4.5cm place measurement, measure 3 times, average, and with the measured value of this mean value divided by undressed sample, its quotient is tearing strength.Tearing strength is larger, and illustrate that the intensity of fabric keeps better, the damage of bleaching process to fabric is less.
Test data, sees the following form 2.
Table 2: test data table
| Test event | Embodiment 2 | Comparative example 4 | Comparative example 5 | Comparative example 6 |
| Whiteness, % | 90 | 77 | 75 | 81 |
| Tearing strength, % | 96.1 | 88.4 | 83.5 | 92.6 |
Compared by table 2 data, can obviously draw, bleaching effect and the tearing strength of embodiment 2 are obviously better than comparative example 4-6.
Claims (3)
1. a cotton-polyester blend fabric bleaching liquid, is characterized in that, is made up of following components in mass portion:
2. a method for bleaching for cotton-polyester blend fabric, comprises and pads bleaching liquor, decatize and water-washing step, it is characterized in that: described in the bleaching liquor padded in bleaching liquor step adopt cotton-polyester blend fabric bleaching liquid according to claim 1.
3. the method for bleaching of cotton-polyester blend fabric as claimed in claim 2, is characterized in that: at room temperature pad bleaching liquor, at 95-100 DEG C of decatize 45-60min, then washes 20-60min.
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| CN103437140A (en) * | 2013-08-20 | 2013-12-11 | 如皋市五山漂染有限责任公司 | Pretreatment process for combed polyester cotton bleached cloth |
| CN104233775B (en) * | 2014-09-15 | 2016-07-06 | 河南工程学院 | A kind of cold bleaching method of cotton textiles or cotton-containing fabrics |
| CN104831516A (en) * | 2015-04-02 | 2015-08-12 | 刘飞 | Combed polyester cotton bleached cloth pretreatment technology |
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| CN101341241A (en) * | 2005-12-28 | 2009-01-07 | 花王株式会社 | Liquid detergent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101341241A (en) * | 2005-12-28 | 2009-01-07 | 花王株式会社 | Liquid detergent |
Non-Patent Citations (2)
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| "新型过氧化氢漂白活化剂4-(2-壬酰氧基乙氧基羰基氧基)苯磺酸钠的合成";孔祥文等;《中华纸业》;20121231;第33卷(第12期);第9-12页 * |
| 梁亮."氧漂稳定剂"、"漂白活化剂".《精细化工配方原理与剖析》.化学工业出版社,2007,第100页. * |
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