CN102720056A - Low-temperature scouring agent as well as preparation method and application thereof - Google Patents
Low-temperature scouring agent as well as preparation method and application thereof Download PDFInfo
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- CN102720056A CN102720056A CN2012102086008A CN201210208600A CN102720056A CN 102720056 A CN102720056 A CN 102720056A CN 2012102086008 A CN2012102086008 A CN 2012102086008A CN 201210208600 A CN201210208600 A CN 201210208600A CN 102720056 A CN102720056 A CN 102720056A
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Abstract
The invention discloses a low-temperature scouring agent and application thereof in a pretreatment process of cotton and cotton blend fabric. The low-temperature scouring agent comprises the components according to a weight ratio: 22-28% of fatty acid derivative Diacid X, 13-17% of isomeric alcohol TO-7, 4-6% of isomeric alcohol XP-90, 8-12% of sec-alkyl sodium sulfonate SAS-60, 8-12% of monoalkyl bis-sulphonate and the balance of deionized water. Applied to the pretreatment process of cotton and cotton blend fabric, the low-temperature scouring agent can improve the traditional high-temperature high-basicity cooking and bleaching processes into a low-temperature low-basicity cooking and bleaching combined short-flow process, is economical and environment-friendly, and is excellent in pretreatment effect of cotton and cotton blend fabric.
Description
Technical field
The present invention relates to destarch, kiering, the bleaching pre-processing process of cotton and BLENDED FABRIC thereof.
Background technology
In recent years in textile auxiliary's consumption structure in market, West Europe, if by used additives calculating such as pre-treatment, printing and dyeing and back arrangements, pre-treatment auxiliary agent accounts for 9.3%, printing and dyeing assistant accounts for 38.7%, and post-finishing agent accounts for 52.O%; Only add up roughly with used additives such as pre-treatment, printing and dyeing and back arrangements in textile auxiliary's consumption structure of China, pretreating reagent accounts for 18.4%, and printing and dyeing assistant accounts for 46.7%, and post-finishing agent only accounts for about 34.9%.Particularly; The energy consumption of China's pre-treatment processing and water consumption and blowdown flow rate occupy bigger ratio in the printing and dyeing production process; And product specification lower, lack energy-saving and emission-reducing and high-performance kind, poor stability, active ingredient is low, product standard seriously lags behind, lack brand, directly has influence on the stability of fabric quality.And this be textile industry technology upgrading, energy-saving and emission-reduction, the key that reduces cost, increase the benefit.
According to the interrelated data introduction, 75% of COTTON FABRIC bleaching and washing quantity of water consumption printing and dyeing processing total water consumption, but the COD value only accounts for 5%, and pollutional load is 8%; COD value and pollutional load that destarch and refining process produce account for 75%, but water consumption is merely 5%; The waste water share that dyeing produces is 10%～20%, and the pollutional load of generation is 17%." three height " that COTTON FABRIC printing and dyeing processing exists (energy consumption is high, water consumes height and COD value of waste water is high) problem, relevant with the caustic soda pre-treatment process that generally uses at present.Therefore, the short flow process new product of the low alkali of the low temperature of research and extension energy-saving and emission-reduction, new technology become the task of top priority.
Traditional three-steps process that moves back, boils, floats is all adopted in pre-treatment for a long time.The key of scouringing and bleaching be can realize sparing, pass through, clean (hair effect >=8cm/30min, whiteness >=75%, destarch rate >=6 grade).Report that from existing research the study route of low temperature kiering and cold bleaching is outer to be biology enzyme and chemical method two big classes.Use biology enzyme carry out destarch, kiering and bleaching in PH=5～6,60～80 ℃, 30～60min can accomplish, its key is to select enzyme preparation for use.Used many decades with the amylase destarch; But its effect to composite mortar but exists many difficulties; Can only remove specific slurry and can't remove other slurry, use lipase, pectase, protease, cellulase, hemicellulase to remove also basic feasible solution of commensal.Therefore, using enzyme preparation that COTTON FABRIC is carried out kiering separately only produces in indivedual factories.Scouring and bleaching technology report of chemical method low temperature is more, but in use still has certain problem, the problem such as high or environmental protection like auxiliary dosage.
Summary of the invention
The technical problem that the present invention will solve provides a kind of low temperature scouring agent, its preparation method and the application in cotton kind fabric pre-treatment process thereof; This low temperature scouring agent can be improved to the abbreviated system that unification is floated in the few soda boiling of low temperature with the high-alkali boiling and bleaching process of traditional high temperature, economic environmental protection and excellent to the pre-treatment effect of cotton and BLENDED FABRIC thereof.
For solving the problems of the technologies described above, the technical scheme that the present invention taked is following.
A kind of low temperature scouring agent, it is by weight comprising: derivative of fatty acid 22%～28%, isomery alcohol 17%～23%, SAS 8%～12%, monoalkyl diphenyl ether disulfonate 8%～12%, surplus is a deionized water.
As a kind of optimal technical scheme of the present invention; Above-mentioned low temperature scouring agent is by weight comprising: derivative of fatty acid Diacid X 22%～28%, isomery alcohol TO-713%～17%, isomery alcohol XP-90 4%～6%, SAS SAS-60 8%～12%, monoalkyl diphenyl ether disulfonate 8%～12%, surplus is a deionized water.
As a kind of optimal technical scheme of the present invention; Above-mentioned low temperature scouring agent is by weight comprising: derivative of fatty acid Diacid X 25%, isomery alcohol TO-715%, isomery alcohol XP-90 5%, SAS SAS-60 10%, monoalkyl diphenyl ether disulfonate 10%, surplus is a deionized water.
The preparation method of above-mentioned low temperature scouring agent: according to above-mentioned prescription that various raw materials mix are even, slowly be warmed up to 65 ℃～75 ℃, cooling naturally gets final product behind stirring at low speed 15min～20min.
The few alkali short-flow pre-treating process of the low temperature of first kind of cotton and BLENDED FABRIC thereof is applicable to the conventional needle fabric, and its step comprises:
A, boil and float: cotton and BLENDED FABRIC grey cloth thereof boil to float to boil in the working solution at 78 ℃～82 ℃ and float 55min～65min; Wherein, the said prescription that floats working solution that boils is: the described low temperature scouring agent of claim 1 1.5g/L～2g/L, NaOH 0.9g/L～1.1g/L, volume fraction are 30% H
2O
25.5g/L～6.5g/L, all the other are water;
The oven dry of B, cold wash: on go on foot products obtained therefrom and get final product through cold wash and oven dry.
The few alkali short-flow pre-treating process of the low temperature of second kind of cotton and BLENDED FABRIC thereof is applicable to frivolous plain weave, corduroy class conventional needle fabric, and its step comprises:
A, low temperature are banked up: cotton and BLENDED FABRIC grey cloth thereof pad to boil and float working solution, pick-up 90%～120%, 38 ℃～42 ℃ 10h～12h that bank up; Wherein, the said prescription that floats working solution that boils is: the described low temperature scouring agent of claim 1 6g/L～8g/L, volume fraction are 30% H
2O
210g/L～15g/L, the low temperature agent 18g/L～22g/L that scourings and bleaching, all the other are water;
B, hot water wash: on go on foot products obtained therefrom with 93 ℃～97 ℃ the washing 12min～18min;
The oven dry of C, cold wash: on go on foot products obtained therefrom and get final product through cold wash and oven dry.
The few alkali short-flow pre-treating process of the low temperature of the third cotton and BLENDED FABRIC thereof is applicable to thick and heavy or contains slurry, the more knitting or woven of seed coat class impurity, and its step comprises:
A, traditional destarch are handled: cotton and BLENDED FABRIC grey cloth thereof pad destarch enzyme working solution, 98 ℃ of decatize 3min, 90 ℃ of washing 5min, oven dry;
B, low temperature are banked up: on go on foot gained and pad to boil and float working solution, pick-up 90%～120%, 38 ℃～42 ℃ 10h～12h that bank up; Wherein, the said prescription that floats working solution that boils is: scouring and bleaching agent 18g/L～22g/L, volume fraction of the described low temperature of claim 1 is 30% H
2O
210g/L～15g/L, low temperature scouring agent 6g/L～8g/L, all the other are water;
C, decatize: the low temperature products obtained therefrom decatize 18min～22min under 100 ℃ of conditions that banks up;
D, hot water wash: on go on foot products obtained therefrom with 93 ℃～97 ℃ the washing 12min～18min;
The oven dry of E, cold wash: on go on foot products obtained therefrom and get final product through cold wash and oven dry.
As second kind of optimal technical scheme with the third pre-treatment process, the agent of scouringing and bleaching of said low temperature comprises by weight: anhydrous sodium metasilicate 90, metasilicate pentahydrate sodium 360, SODIUM PERCARBONATE 135, soda ash 225, caustic soda 18, isomery C10 ethoxy compound 36, sorbitan fatty acid ester 36, dicyandiamide 100.
Adopt the beneficial effect that technique scheme produced to be:
Low-temperature refining agent of the present invention is to be formed by the extremely strong surfactant compound of multiple emulsifying capacity; It can reduce the surface tension of kiering liquid, the permeability that improves alkali lye and the wettability of cotton fiber; Expanded hydrolysate in the kiering process is fully emulsified and increase its solubility in water to greatest extent; Thereby improve positive reaction speed, reduce the kiering temperature, the kiering effect is strengthened greatly;
Low-temperature refining agent of the present invention cooperates the low temperature agent of scouringing and bleaching to use; Can replace routine to move back a large amount of auxiliary addition agents such as caustic soda that use in the boiling and bleaching process; Also make simultaneously the pre-treatment process flow process shorten (move back and boil unification), the shortening of high-temperature process (decatize) time, thereby significantly reduce pre-treatment cost of processing, energy consumption, water consumption and COD in industrial wastewater, BOD value, also reduced the sewage disposal expense simultaneously; Make about comprehensive process cost decline 32%-38%, have higher economic value and social value; Its concrete effect division is following:
1. 98 ℃ that the treatment temperature of knitted fabric are required by common process are reduced to 80 ℃ (claim 4); For more slim fabric, in addition only need that normal temperature is banked up, hot water wash two steps operation gets final product (claim 5);
2. the destarch in the conventional pre-treatment, kiering, bleaching process are reduced to boiling of new technology of the present invention and float unification, the pre-treatment time shortening 29min pre-treatment time above, woven of knitted fabric is shortened more than the 40min;
3. the low temperature of the present invention agent alkalinity of scouringing and bleaching is lower; Have multiple efficacies such as hydrogen peroxide stabilizer, alkaline agent, chelated dispersants and scouring penetrant simultaneously; Cooperate the low-temperature refining agent of claim 7; Replace the conventional a large amount of auxiliary addition agents such as caustic soda that use in the boiling and bleaching process that move back, make knitted cloth processing cost per ton reduce by 81.52 yuan, every myriametre woven is practiced thrift 671.12 yuan of costs;
4. effectively improve and boil the quality of floating the back semi-products; Be in particular in: fabric whiteness reaches more than 76.5%, instantaneous hair effects≤5sec (in thin kind hair imitate≤2.5sec), 30min hair effects>=8.5cm (in approach kind hair effect>=11cm); Suitable basically with traditional handicraft, strength loss≤12.6% (move back boil strength loss≤18～25% of floating well below routine);
5. boil and float working solution stability in use height, reduce discharge of wastewater and disposal cost, and reduce COD/BOD value wherein.
The specific embodiment
Following examples have specified the present invention.Various raw material used in the present invention and items of equipment are conventional commercially available prod, all can buy directly through market to obtain.
Embodiment 1
A kind of low temperature scouring agent; It specifically comprises following composition: Diacid X 25% (derivative of fatty acid, Shanghai Suo Kai Industrial Co., Ltd.), TO-7 15% (isomery alcohol, Co., Ltd is imported and exported in the Zhejiang development of evil in febrile disease), XP-905% (isomery alcohol; The prosperous chemical Co., Ltd of brocade), SAS-6010% (SAS; BASF AG), Gemini quaternary ammonium salt T-15010% (monoalkyl diphenyl ether disulfonate, gram Lay benefactor department), surplus is a deionized water.
Embodiment 2
The preparation method of above-mentioned low-temperature refining agent: according to the prescription of embodiment 1 with various raw materials mix after, slowly be warmed up to 70 ℃ and carry out low speed and fully stir 15min～20min, treat can pack after the nature cooling.
Embodiment 3
The few alkali short-flow pre-treating process of the low temperature of cotton and BLENDED FABRIC thereof is applicable to the conventional needle fabric, and its step comprises:
A, boil and float: cotton and BLENDED FABRIC grey cloth thereof boil to float to boil in the working solution at 80 ℃ and float 6min; Wherein, the said prescription that floats working solution that boils is: embodiment 1 described low temperature scouring agent 1.7g/L, NaOH 1g/L, volume fraction are 30% H
2O
26g/L, all the other are water;
The oven dry of B, cold wash: on go on foot products obtained therefrom and get final product through cold wash and oven dry.
Embodiment 4
The few alkali short-flow pre-treating process of the low temperature of cotton and BLENDED FABRIC thereof is applicable to frivolous plain weave, corduroy class conventional needle fabric, and its step comprises:
A, low temperature are banked up: cotton and BLENDED FABRIC grey cloth thereof pad to boil and float working solution, 110%, 40 ℃ of 10h～12h that banks up of pick-up; Wherein, the said prescription that floats working solution that boils is: scouring and bleaching agent 20g/L, volume fraction of the low temperature of embodiment 1 is 30% H
2O
212g/L～13g/L, low temperature scouring agent 6g/L～8g/L, all the other are water; Wherein, the low temperature agent of scouringing and bleaching specifically comprises following composition: anhydrous sodium metasilicate 90g (powdery, sodium oxide molybdena 50.5 ± 1%; Qingdao Jiarun chemical industry Co., Ltd), metasilicate pentahydrate sodium 360g (particle; Sodium oxide molybdena 28.5～30%, Qingdao Jiarun chemical industry Co., Ltd), SODIUM PERCARBONATE 135g (particle, active oxygen>=13%; Henan Hongsheng Biochemical Co., Ltd.), soda ash 225g (content 99.8%; Weifang auspicious moral victory chemical industry Co., Ltd), caustic soda 18g (content 96%, Zibo rising sun boat chemical industry), XP-90 36g (isomery C10 ethoxy compound, BASF AG), S-60 36g (sorbitan fatty acid ester; Hai'an, Jiangsu Province petrochemical industry), dicyandiamide 100g (content>=98%, the abundant auspicious chemical industry in Henan); The scouring and bleaching preparation technology of agent of this low temperature is: according to above-mentioned prescription with various raw materials mix after, fully stir, pack packing and will guarding against damp when storing then;
B, hot water wash: on go on foot products obtained therefrom with 95 ℃ the washing 15min;
The oven dry of C, cold wash: on go on foot products obtained therefrom and get final product through cold wash and oven dry.
Embodiment 5
The few alkali short-flow pre-treating process of the low temperature of cotton and BLENDED FABRIC thereof is applicable to thick and heavy or contains slurry, the more knitting or woven of seed coat class impurity, and its step comprises:
A, traditional destarch are handled: cotton and BLENDED FABRIC grey cloth thereof pad destarch enzyme working solution, 98 ℃ of decatize 3min, 90 ℃ of washing 5min, oven dry;
B, low temperature are banked up: cotton and BLENDED FABRIC grey cloth thereof pad to boil and float working solution, 110%, 40 ℃ of 10h～12h that banks up of pick-up; Wherein, the said prescription that floats working solution that boils is: scouring and bleaching agent 20g/L, volume fraction of the low temperature of embodiment 1 is 30% H
2O
212g/L～13g/L, low temperature scouring agent 6g/L～8g/L, all the other are water; Wherein, the low temperature agent of scouringing and bleaching specifically comprises following composition: anhydrous sodium metasilicate 90g (powdery, sodium oxide molybdena 50.5 ± 1%; Qingdao Jiarun chemical industry Co., Ltd), metasilicate pentahydrate sodium 360g (particle; Sodium oxide molybdena 28.5～30%, Qingdao Jiarun chemical industry Co., Ltd), SODIUM PERCARBONATE 135g (particle, active oxygen>=13%; Henan Hongsheng Biochemical Co., Ltd.), soda ash 225g (content 99.8%; Weifang auspicious moral victory chemical industry Co., Ltd), caustic soda 18g (content 96%, Zibo rising sun boat chemical industry), XP-90 36g (isomery C10 ethoxy compound, BASF AG), S-60 36g (sorbitan fatty acid ester; Hai'an, Jiangsu Province petrochemical industry), dicyandiamide 100g (content>=98%, the abundant auspicious chemical industry in Henan); The scouring and bleaching preparation technology of agent of this low temperature is: according to above-mentioned prescription with various raw materials mix after, fully stir, pack packing and will guarding against damp when storing then;
C, decatize: the low temperature products obtained therefrom decatize 20min under 100 ℃ of conditions that banks up;
D, hot water wash: on go on foot products obtained therefrom with 96 ℃ the washing 17min;
The oven dry of E, cold wash: on go on foot products obtained therefrom and get final product through cold wash and oven dry.
Embodiment 6 (scientific experimentation of low-temperature refining agent performance)
1 test portion
1.1 material and instrument
Material 26
SPure cotton knitting cloth, Quality Pure Cotton Yarn Production card 145/147cm 29tex * 29tex425 root/10cm * 228 piece/10cm
Auxiliary agent low temperature scouring and bleaching agent (be designated as: AAA), the low-temperature refining agent (be designated as: BBB), the concise bleeding agent of FRD-88 (Fu Run Dehua, Xingtai worker), 30%H
2O
2Analyze pure (western Gansu Province chemical industry), caustic soda is analyzed pure (western Gansu Province chemical industry), hydrogen peroxide bleaching stabilizer DA-1 (Shijiazhuang Hua Da), chelated dispersants HD-540 (Shijiazhuang Hua Da);
The desk-top padding machine of instrument MU504A (Beijing textile material research institute); DHG-9076A electric heating constant temperature air dry oven (going up the grand experimental facilities of Nereid Co., Ltd); P-3-07523 dryer (Nantong Bora Weaving device Co., Ltd), XH-KG66 high temperature sample dyeing machine (Wei Laier company), the YG-781 hair is imitated analyzer; WSB-II whiteness appearance, YG-026H cryotronics tensometer (Ningbo textile Instrument Factory); MH012-20 type gas singeing machine (Taizhou dyeing machine); LM022-220-R moves back and boils rinsing combination machine (Zhejiang red flag); The straight roller mercerizing range of LM172-9-180 (Huangshi machinery); SWR-1200 normal temperature and pressure dye jigger (Wuxi HTC), MONFORTS-328 stenter (upright letter Monforts), LMA-4518 preshrinking machine (Zhengzhou textile machine)
1.2 the pre-treatment process of different fabrics prescription
The pre-treatment process prescription of the different fabrics of table 1
1.3 method of testing
1.3.1AAA, the BBB performance test
(1) alkalinity: the preparation mass concentration is the low temperature of the 1～6g/L agent AAA working solution of scouringing and bleaching, and measures its pH value, calculates alkali content.
(2) permeability (canvas settling test): the low temperature drift of preparing mass concentration respectively and be 1～6g/L scouring and bleaching AAA and low-temperature refining agent BBB working solution; Get 2 * 2cm standard canvas (18tex * 18tex) places working solution, with stopwatch accurate recording canvas from the contact liquid level to the time that begins to sink.
(3) spumescence: get 1g low temperature respectively and scouring and bleaching in agent AAA and BBB to the 50g water, treat that pipetting 15ml after it fully dissolves places the 100ml test tube, fluctuate 20 times, observe liquid level foaming situation, and the record foam height over time.
(4) chelating ability:, utilize commercially available chelated dispersants of titration measuring and low temperature to scouring and bleaching agent AAA to Ca with reference to GB/T21884-2008 " mensuration of textile auxiliary's chelating agent sequestering power "
2+, Fe
2+And Mg
2+Sequestering power.
1.3.2 decomposing hydrogen dioxide solution rate test
Adopt permanganimetric method, measure respectively before the bleaching with bleaching back different time after hydrogen peroxide solution mass concentration P
0And P
1, calculate resolution ratio by formula (1).
Formula (1): decomposing hydrogen dioxide solution rate=(P
0-P
1)/P
0* 100%
1.3.3 COTTON FABRIC bleaching effect test
(1) whiteness: with folding 4 layers of sample, adopt WSB-II whiteness appearance to measure 4 times, average.
(2) hair is imitated: press FZ/T 01071-1999 " textiles capillary effect determination of test method ".
(3) mass loss rate: the mass M of measuring the fabric grey cloth
0With the mass M after the bleaching
1, by the mass loss rate of formula (2) calculating fabric.
Formula (2): mass loss rate=(M
0-M
1)/M
0* 100%
(4) ultimate strength: the ultimate strength of fabric is pressed GB/T3923-1997 " textile fabric tensile property part 1: the mensuration galley proof method of ultimate strength and extension at break " and is measured.
2 results and discussion
2.1AAA, the performance test of BBB
2.1.1 alkalinity
The AAA of the configuration different quality concentration working solution of scouringing and bleaching is measured its pH value and is calculated alkali content, and the result sees table 2.
Table 2 variable concentrations AAA the scouring and bleaching pH value and the alkalinity of liquid
Can find out by table 2, low temperature scouring and bleaching agent AAA alkalinity relatively low be 26.63%.It is about 10.5 that the working solution pH value of COTTON FABRIC hydrogen peroxide bleaching requires, and AAA mass concentration pH value when 3g/L is 10.7, the requirement of best pH value 10.5-10.8 when composite oxygen is floated.Therefore, in the general technology prescription, need to add the 3g/L low temperature agent AAA that scourings and bleaching and to satisfy technological requirement.
2.1.2 permeability
Prepare common refining agent FRD-88 of 1～6g/L and low-temperature refining agent BBB working solution respectively, test the permeability of the two, the result sees table 3.
Permeability/the s of the different refining agents of table 3
Can be found out that by table 3 sedimentation time of low-temperature refining agent BBB is 4～15s, the sedimentation time of common refining agent FRD-88 is 10～60s.In the general pre-treatment process, it is 5～20s that sedimentation time of refining agent is required, so low-temperature refining agent BBB is applicable to pre-treatment process.
2.1.3 spumescence
The scouring and bleaching foaming characteristic of agent AAA, low-temperature refining agent BBB of test for low temperature is seen table 4.
The foaming characteristic of table 4 AAA, BBB
Can be found out that by table 4 AAA drops to 20ml at 6min inner foam height by 65ml after shaking 20 times, the prolongation foam height along with the time changes little afterwards.This its foaming characteristic of explanation is lower; After the BBB concussion 20 times, drop to 20ml at 1min inner foam height by 40ml, the prolongation foam height along with the time changes little afterwards.This its foaming characteristic of explanation is also very low, and has certain bubble ability that presses down.
2.1.4 chelating ability
AAA counterweight metallic ions Ca
2+, Fe
2+And Mg
2+Have certain sequestering power, the sequestering power of itself and commercially available common chelated dispersants relatively, the result sees table 5.
The sequestering power of the different dispersants of table 5 relatively
| Metal ion/(mg.g-1) | Ca 2+ | Fe 2+ | Mg 2+ |
| EDTA | 214.06 | 504.78 | 176.78 |
| Chelated dispersants HD-540 | 180.54 | 276.68 | 94.56 |
| The low temperature agent AAA that scourings and bleaching | 120.33 | 249.64 | 82.34 |
Can find out the low temperature agent AAA counterweight metallic ions Ca of scouringing and bleaching by table 5
2+, Fe
2+And Mg
2+Have certain sequestering power, but a little less than the sequestering power than EDTA and commercially available common chelated dispersants.Reflect this,, add an amount of conventional chelated dispersants separately adding visual water quality and concrete condition such as grey quality in man-hour.
2.1.5 stability to hydrogen peroxide solution
In the hydrogen peroxide bleaching process, receive the high-alkali catalyticing decomposition action of heavy metal ion, metal fillings and high temperature and invalid decomposition takes place for fear of hydrogen peroxide solution, need in the liquid of scouringing and bleaching, add stabilizing agent.The low temperature agent AAA that scourings and bleaching sees table 6 to the stablizing effect of hydrogen peroxide solution.
Table 6 AAA is to the stablizing effect of hydrogen peroxide solution
Can find out that by table 6 when the temperature of scouringing and bleaching was 100 ℃, under the situation that does not add stabilizing agent, hydrogen peroxide solution had decomposed basically in 30min; The low temperature that adds 3g/L is scouringed and bleaching, and the decomposition of hydrogen peroxide solution then needs about 40min behind the agent AAA, and is suitable with the stablizing effect that adds hydrogen peroxide stabilizer DA-1.So, not needing to add separately hydrogen peroxide stabilizer in the technology of agent AAA using low temperature to scouring and bleaching, this also is to use one of reason that this product cuts down finished cost.
The process optimization 2.2AAA low temperature is scouringed and bleaching
2.2.1AAA mass concentration is to the influence of the effect of scouringing and bleaching
Change the low temperature agent AAA mass concentration of scouringing and bleaching, measure it to the scouring and bleaching influence of effect of COTTON FABRIC, the result sees table 7.
Table 7 AAA mass concentration is to the influence of the effect of scouringing and bleaching
| AAA/g.L -1 | ?1 | ?2 | ?3 | ?4 |
| Whiteness/% | ?74.6 | ?77.6 | ?77.7 | ?78.7 |
| Hair effect/cm.30min -1 | ?4 | ?8 | ?9 | ?9 |
| Strength loss rate/% | ?8.6 | ?9.2 | ?9.6 | ?11 |
| Mass loss rate/% | ?9.2 | ?9.2 | ?10.4 | ?13 |
Can be found out that by table 7 along with the scouring and bleaching increase of agent AAA consumption of low temperature, the whiteness of fabric, hair are imitated and significantly improved, the hair of fabric imitated that to promote effect more obvious when particularly the AAA mass concentration was 1～3g/L.But after the AAA mass concentration was increased to 4g/L, the whiteness of fabric was imitated with hair and is changed not quite, and the strength loss rate is up to 11%, and the mass loss rate of fabric is 13%.Take all factors into consideration, the consumption of low-temperature refining agent AAA is chosen as 2～3g/L.
2.2.2 the hydrogen peroxide solution mass concentration is to the influence of the effect of scouringing and bleaching
Change the mass concentration of hydrogen peroxide solution, measure it to the scouring and bleaching influence of effect of COTTON FABRIC, the result sees table 8.
Table 8 hydrogen peroxide solution mass concentration is to the influence of the effect of scouringing and bleaching
| 30%H 2O 2/g.L -1 | ?2 | ?4 | ?6 | ?8 | ?10 |
| Hair effect/cm.30min -1 | ?3.5 | ?6.5 | ?8 | ?9 | ?10 |
| Whiteness/% | ?68.3 | ?72.3 | ?77.6 | ?78.1 | ?79.4 |
| Strength loss rate/% | ?8.2 | ?8.6 | ?9.6 | ?11.6 | ?15.6 |
| Mass loss rate/% | ?9.2 | ?9.6 | ?10.4 | ?13 | ?14.2 |
Can be found out that by table 8 along with the increase of hydrogen peroxide solution mass concentration, the whiteness of COTTON FABRIC is imitated obviously with hair and promoted, the mass loss rate of strength loss rate and fabric increases.After the hydrogen peroxide solution mass concentration was increased to 8g/L, the whiteness of COTTON FABRIC promoted few, and the strength loss rate is up to 15.6%, and afterwards, the hydrogen peroxide solution mass concentration is more remarkable to the influence of strength loss rate.Take all factors into consideration, 30% hydrogen peroxide solution mass concentration is chosen as 6g/L.
2.2.3 treatment temperature is to the influence of the effect of scouringing and bleaching
Change treatment temperature, measure the effect of scouringing and bleaching of COTTON FABRIC, the result sees table 9.
Table 9 refining temperature is to the influence of the effect of scouringing and bleaching
| Refining temperature/℃ | 40 | 60 | 80 | 90 | 100 |
| Hair effect/cm.30min -1 | 0 | 3 | 8 | 9 | 9.5 |
| Whiteness/% | 55.3 | 63.2 | 77.6 | 78.9 | 79.1 |
| Strength loss rate/% | 6.8 | 7.6 | 9.6 | 13.6 | 15.6 |
| Mass loss rate/% | 9.2 | 10.6 | 11.4 | 13 | 14.6 |
Can find out that by table 9 along with the rising of the temperature of scouringing and bleaching, the whiteness of COTTON FABRIC, hair are imitated and all can obviously be promoted.Factors such as synthesis energy saving consider that refining temperature is selected 80-85 ℃ and is advisable.
2.2.4 the processing time is to the influence of the effect of scouringing and bleaching
Change the processing time, measure the effect of scouringing and bleaching of COTTON FABRIC, the result sees table 10.
Table 10 processing time is to the influence of the effect of scouringing and bleaching
| Time/min | 15 | 30 | 45 | 60 | 75 |
| Hair effect/cm.30min -1 | 0 | 4.5 | 6.5 | 8 | 8.4 |
| Whiteness/% | 68.3 | 70.2 | 74.6 | 77.9 | 78.3 |
| Strength loss rate/% | 6.8 | 7.6 | 9.6 | 13.6 | 15.6 |
| Mass loss rate/% | 9.2 | 10.6 | 11.4 | 13 | 14.6 |
Can be found out that by table 10 along with the prolongation of refining time, the whiteness of COTTON FABRIC has raising slightly, the hair of COTTON FABRIC is imitated and is changed not quite after the time extends to 60min, but strength loss improves.Take all factors into consideration, refining time is chosen as 60min.
2.2.5 the caustic soda consumption is to the influence of the effect of scouringing and bleaching
Change the processing time, measure the effect of scouringing and bleaching of cotton fabrics, the result sees table 11.
Table 11 caustic soda consumption is to the influence of the effect of scouringing and bleaching
| NaOH/g.L -1 | ?0 | ?1 | ?2 | ?3 |
| Whiteness/% | ?71.4 | ?74.6 | ?74.8 | ?75.1 |
| Hair effect/cm.30min -1 | ?6 | ?8.5 | ?9 | ?9 |
| Strength loss rate/% | ?7.8 | ?8.6 | ?10.6 | ?15.6 |
| Mass loss rate/% | ?9.2 | ?11.6 | ?12.8 | ?16 |
Can be found out that by table 11 with the increase of caustic soda consumption, the whiteness of COTTON FABRIC improves, hair is imitated and is changed not quite, and strength loss rate and mass loss rate are increasing gradually.When the caustic soda consumption during at 1g/l whiteness, the Mao Xiaojun of COTTON FABRIC can satisfy the requirement of follow-up dyeing and finishing processing.Take all factors into consideration, the caustic soda consumption is chosen as 1g/l.
In sum, the low temperature of AAA soaks and floats prescription and can confirm as: AAA 2g/l, NaOH1g/l, 30%H
2O
26g/l, technology is: 80 ℃ * 60min.
2.3 the technique for applying optimization of low temperature scouring agent BBB
2.3.1BBB influence to the effect of scouringing and bleaching
Change low-temperature refining agent BBB consumption, measure the effect of scouringing and bleaching of COTTON FABRIC, the result sees table 12.
Table 12 BBB consumption is to the influence of the effect of scouringing and bleaching
| BBB/g.L -1 | ?0 | ?1 | ?1.5 | ?2 |
| Whiteness/% | ?68.9 | ?73.9 | ?76.3 | ?76.5 |
| Hair effect/cm.30min -1 | ?2 | ?7 | ?11.5 | ?13 |
| Strength loss rate/% | ?7.8 | ?8.6 | ?10.6 | ?15.6 |
| Mass loss rate/% | ?9.2 | ?11.6 | ?12.8 | ?16 |
Can be found out that by table 12 along with the increase of BBB consumption, whiteness, the Mao Xiaojun of COTTON FABRIC are greatly increased, strength loss rate and mass loss rate change little.When its consumption reached 1.5g/L, the whiteness of COTTON FABRIC, Mao Xiaojun can satisfy the requirement of follow-up dyeing and finishing processing.Take all factors into consideration, the BBB consumption is chosen as 1.5～2g/l.
2.3.2 the caustic soda consumption is to the influence of the effect of scouringing and bleaching
Change the caustic soda consumption, measure the effect of scouringing and bleaching of COTTON FABRIC, the result sees table 13.
Table 13 caustic soda consumption is to the influence of the effect of scouringing and bleaching
| NaOH/g.L -1 | ?0 | ?1 | ?1.5 | ?2 | ?2.5 | ?3 |
| Whiteness/% | ?58.9 | ?73.7 | ?75.3 | ?76.5 | ?75.8 | ?76.2 |
| Hair effect/cm.30min -1 | ?4 | ?7 | ?8.5 | ?13 | ?12.8 | ?12.6 |
| Strength loss rate/% | ?6.8 | ?8.6 | ?10.6 | ?12.6 | ?12.8 | ?13.6 |
| Mass loss rate/% | ?7.2 | ?9.6 | ?11.8 | ?13.6 | ?14.2 | ?15.6 |
Can find out that by table 13 with the increase of caustic soda consumption, the whiteness of COTTON FABRIC, hair are imitated and all can be improved.After its consumption reached 2g/L, the whiteness of COTTON FABRIC, hair were imitated and are no longer included raising, and strength loss rate and mass loss rate are also continuing increase.Take all factors into consideration, the caustic soda consumption is chosen as 1.5～2g/l.
2.3.3 the hydrogen peroxide solution mass concentration is to the influence of the effect of scouringing and bleaching
Change the mass concentration of hydrogen peroxide solution, measure it to the scouring and bleaching influence of effect of COTTON FABRIC, the result sees table 14.
Table 14 hydrogen peroxide solution mass concentration is to the influence of the effect of scouringing and bleaching
| 30%H 2O 2/g.L -1 | 2 | 4 | 6 | 8 | 10 | 12 |
| Whiteness/% | 68.3 | 72.3 | 77.6 | 79.1 | 79.4 | 68.3 |
| Hair effect/cm.30min -1 | 6.5 | 7.5 | 10 | 12 | 14 | 6.5 |
| Strength loss rate/% | 7.2 | 8.6 | 10.6 | 12.6 | 12.8 | 14.6 |
| Mass loss rate/% | 9.4 | 11.6 | 14.6 | 16 | 16.5 | 18.8 |
Can be found out that by table 14 along with the increase of hydrogen peroxide solution mass concentration, the whiteness of COTTON FABRIC is imitated obviously with hair and promoted, the mass loss rate of strength loss rate and fabric increases.After the hydrogen peroxide solution mass concentration was increased to 8g/L, the whiteness of COTTON FABRIC promoted few, and the strength loss rate is up to 16%, and afterwards, the hydrogen peroxide solution mass concentration is more remarkable to the influence of strength loss rate.Take all factors into consideration, 30% hydrogen peroxide solution mass concentration is chosen as 6g/L.
2.3.4 treatment temperature is to the influence of the effect of scouringing and bleaching
Change treatment temperature, measure the effect of scouringing and bleaching of COTTON FABRIC, the result sees table 15.
Table 15 refining temperature is to the influence of the effect of scouringing and bleaching
| Refining temperature/℃ | 40 | 60 | 80 | 90 | 100 |
| Whiteness/% | 59.3 | 68.2 | 77.6 | 80.9 | 83.1 |
| Hair effect/cm.30min -1 | 0 | 5.2 | 12 | 13.5 | 15.5 |
| Strength loss rate/% | 8.8 | 9.6 | 10.6 | 12.6 | 17.8 |
| Mass loss rate/% | 9.6 | 11.8 | 12.9 | 14.6 | 19.2 |
Can be found out that by table 15 along with the rising of the temperature of scouringing and bleaching, the whiteness of COTTON FABRIC, hair are imitated and all can obviously be promoted, strength loss rate and mass loss rate are also in continuous increase.Take all factors into consideration, refining temperature is chosen as 80-85 ℃.
2.3.5 the processing time is to the influence of the effect of scouringing and bleaching
Change the processing time, measure the effect of scouringing and bleaching of COTTON FABRIC, the result sees table 16.
Table 16 processing time is to the influence of the effect of scouringing and bleaching
| Time/min | 15 | 30 | 45 | 60 | 75 |
| Whiteness/% | 68.3 | 70.2 | 74.6 | 77.9 | 78.3 |
| Hair effect/cm.30min -1 | 5.5 | 7.5 | 9.5 | 12 | 12.5 |
| Strength loss rate/% | 8.8 | 9.6 | 10.6 | 12.6 | 16.8 |
| Mass loss rate/% | 9.8 | 11.6 | 12.8 | 13.6 | 19.2 |
Can be found out that by table 16 along with the prolongation of refining time, the whiteness of COTTON FABRIC has raising slightly, hair is imitated and is changed not quite, and strength loss rate and mass loss rate are in continuous increase.Take all factors into consideration, the selection of time of scouringing and bleaching is 40--60min.
In sum, BBB low temperature soaks the prescription that floats and can confirm as: BBB 1.5～2g/l, NaOH 2g/l 30%H
2O
26g/L, technology is: 80 ℃ * 60min.
2.4 steaming technology preparation, the cold dome of cotton Woven Fabrics/weak point inquires into
2.4.1AAA consumption is to the influence of cold batching process effect
Change the low temperature agent AAA consumption of scouringing and bleaching, measure its effect of scouringing and bleaching to cotton pin, woven, the result sees table 17.
Table 17 AAA consumption is to the influence of cold batching process effect
| ?AAA/g.L -1 | 10 | 15 | 20 | 25 | 30 |
| Whiteness/% | 74.2 | 77.3 | 77.4 | 79.7 | 79.9 |
| Hair effect/cm.30min -1 | 5 | 6.5 | 8 | 8.5 | 9.5 |
| Strength loss rate/% | 8.8 | 9.2 | 10.6 | 12.6 | 16.8 |
| Mass loss rate/% | 9.1 | 10.6 | 12.8 | 13.6 | 19.2 |
Can be found out that by table 17 along with the scouring and bleaching increase of agent AAA consumption of low temperature, whiteness, the Mao Xiaojun of fabric are improved to some extent, strength loss rate and mass loss rate also increase to some extent.Take all factors into consideration, the consumption of AAA is chosen as 20g/L.
2.4.2BBB consumption is to the influence of cold batching process effect
Change low-temperature refining agent BBB consumption, measure its effect of scouringing and bleaching to cotton pin, woven, the result sees table 18.
Table 18 BBB consumption is to the influence of cold batching process effect
| BBB/g.L -1 | 0 | 2 | 4 | 6 | 8 | 10 |
| Whiteness/% | 73.5 | 76.4 | 77.4 | 79.4 | 80.3 | 79.6 |
| Hair effect/cm.30min -1 | 0 | 4.9 | 6.5 | 8.5 | 11 | 10.6 |
| Strength loss rate/% | 8.8 | 9.2 | 10.6 | 10.9 | 11.8 | 12.8 |
| Mass loss rate/% | 9.1 | 10.6 | 12.8 | 13.2 | 12.8 | 13.1 |
Can be found out that by table 18 along with the increase of BBB consumption, whiteness, the Mao Xiaojun of fabric are improved to some extent, strength loss rate and mass loss rate change little; After the consumption of BBB was increased to 8g/L, the whiteness of fabric was imitated to no longer include more significantly with hair and is improved.Take all factors into consideration, the consumption of BBB is chosen as 6～8g/L.
2.4.3 the hydrogen peroxide solution consumption is to the influence of cold batching process effect
Change the hydrogen peroxide solution consumption, measure its effect of scouringing and bleaching to cotton pin, woven, the result sees table 19.
Table 19 H
2O
2Consumption is to the influence of cold batching process effect
| ?30%H 2O 2/g.L -1 | 0 | 5 | 10 | 15 | 20 |
| Whiteness/% | 59.5 | 71.5 | 77.0 | 79.2 | 79.9 |
| Hair effect/cm.30min -1 | 9.1 | 9.7 | 11 | 11 | 11.5 |
| Strength loss rate/% | 8.6 | 9.2 | 10.6 | 11.6 | 18.8 |
| Mass loss rate/% | 9.3 | 10.6 | 10.8 | 12.6 | 19.8 |
Can be found out that by table 19 along with the increase of hydrogen peroxide solution consumption, the whiteness of fabric significantly improves, hair is imitated also has increase to a certain degree, and strength loss rate and mass loss rate also have increase to a certain degree.After the consumption of hydrogen peroxide solution reached 15g/L, the whiteness of fabric was imitated with hair and no longer is significantly improved.Take all factors into consideration, the consumption of hydrogen peroxide solution is chosen as 10～15g/L.
Time is to the influence of cold batching process effect 2.4.4 bank up
Change and bank up the time, measure its effect of scouringing and bleaching to cotton pin, woven, the result sees table 20.
Table 20 H
2O
2Consumption is to the influence of cold batching process effect
| Time/h | 8 | 10 | 12 | 15 | 20 |
| Whiteness/% | 74.5 | 76.5 | 77.0 | 79.2 | 79.9 |
| Hair effect/cm.30min -1 | 9.1 | 9.7 | 11 | 11 | 11.5 |
| Strength loss rate/% | 7.8 | 9.8 | 10.6 | 12.6 | 16.8 |
| Mass loss rate/% | 9.3 | 10.6 | 12.8 | 13.8 | 18.8 |
Can be found out that by table 20 along with the prolongation of the time of banking up, the whiteness of fabric, hair effect have raising slightly, mass loss rate increases more, and the strength loss rate changes little, and this is because low temperature is banked up and reduced the degree of injury of fiber.After the time of banking up reached 12h, the whiteness of fabric was imitated to no longer include more significantly with hair and is improved.Take all factors into consideration, the cold dome selection of time is 10～12h.2.4.5 steaming time is to the influence of cold batching process effect
Change steaming time, measure its effect of scouringing and bleaching to cotton pin, woven, the result sees table 21.
Table 21 steaming time is to the influence of cold batching process effect
| Time/min | 5 | 10 | 15 | 20 | 30 |
| Whiteness/% | 69.5 | 74.5 | 76.0 | 79.2 | 79.9 |
| Hair effect/cm.30min -1 | 5.1 | 7.7 | 8.6 | 11 | 11.5 |
| Strength loss rate/% | 6.8 | 8.2 | 9.6 | 11.6 | 16.8 |
| Mass loss rate/% | 9.5 | 10.6 | 12.8 | 13.6 | 19.2 |
Can be found out that by table 21 along with the prolongation of steaming time, whiteness, the Mao Xiaojun of fabric are improved to some extent, strength loss rate and mass loss rate also increase to some extent.After steaming time arrived 20min, the whiteness of fabric was imitated with hair and no longer is significantly improved.Take all factors into consideration, the selection steaming time is 20min.
2.4.6 washing temperature is to the influence of cold batching process effect
Under different washing temperature, measure its effect of scouringing and bleaching to cotton pin, woven, the result sees table 22.
Table 22 washing temperature is to the influence of cold batching process effect
| Temperature/℃ | 60 | 80 | 95 |
| Whiteness/% | 69.5 | 71.5 | 79.0 |
| Hair effect/cm.30min -1 | 2.1 | 2.7 | 11 |
| Strength loss rate/% | 7.8 | 9.8 | 10.6 |
| Mass loss rate/% | 9.3 | 10.6 | 12.8 |
Can find out that by table 22 washing temperature is imitated and the mass loss rate important influence the hair of fabric.Only washing under the state that closely boils, the whiteness of fabric and Mao Xiaocai can reach the requirement of follow-up dyeing and finishing processing, so the washing temperature behind the cold dome must reach 95 ℃.
In sum, AAA, BBB cold dome/weak point steaming technology are: BBB 6～8g/l, 30%H
2O
210～15g/l, AAA 20g/l, the time 10～12h that banks up, 100 ℃ * 20min of decatize, 95 ℃ of washing temperature.
2.5 refining effect relatively
2.5.1 the cotton fabrics refining effect relatively
The contrast low temperature scouring and bleaching agent AAA with the tradition the knitting technology of scouringing and bleaching refining effect, the result sees table 23.
Table 23 knitted fabric low temperature is scouringed and bleaching, cold dome/weak point steams and the refining effect contrast of traditional boiling and bleaching process
Can find out that from table 23 knitted fabric low temperature is scouringed and bleaching, and to steam refining effect and the traditional handicraft of technology suitable for technology and cold dome/weak point, all can satisfy the requirement that follow-up dyeing and finishing is processed.Particularly the low temperature of BBB soaks the hair effect that bleaching process can improve fabric better, and littler to fabric damage, and the K/S value of dyeing is also better relatively.
2.5.2 cotton woven refining effect relatively
Contrast low temperature scourings and bleaching that the cold dome of agent AAA and low-temperature refining agent BBB/weak point steams, cold dome/washing process and traditional refining effect that moves back boiling and bleaching process, and the result sees table 24.
Table 24 woven cold dome/weak point steams, cold dome/washing and traditional boiling and bleaching process refining effect contrast
From table 24 data analysis: COTTON FABRIC is after the AAA/BBB cold batching process is handled, and its whiteness, hair are imitated and dyeing K/S value all can satisfy the requirement of follow-up various dyeings, and the mass loss rate of fabric is lower.
In sum: conventional needle fabric kind, recommend to use low temperature (80-85 ℃) to soak bleaching process; For frivolous plain weave class, corduroy and knitted fabric, recommend to use the cold dome washing process; For thick and heavy or contain the more fabrics of impurity such as slurry, seed coat, recommend to use cold dome/weak point steaming washing process.
2.6 the technology cost relatively
Calculate with the 1t pure cotton grey fabric of scouringing and bleaching, table 25 is seen in the scouring and bleaching processing cost comparison of technology and traditional handicraft of low temperature.
Table 25 low temperature scouring and bleaching technology and traditional handicraft cost comparative analysis table
Can know by table 25: (1) every refining 1t knitted cloth; Use AAA low temperature process totle drilling cost to hang down 81.52 yuan/ton than traditional handicraft; Saving time is about 29min, and the feel after handling is softer than traditional handicraft, and cloth cover can not cause folding line; Back arrangement can suitably reduce the softener consumption, and air compressor machine power consumption can be economized about 25% in addition; (2) use BBB low temperature process totle drilling cost to hang down 43 yuan/ton, and its effect of scouringing and bleaching is very good, recommends to be used for the processing of high-quality product than traditional handicraft; (3) use AAA/BBB cold dome/weak point to steam technology and move back 671.12 yuan/myriametre of boiling and bleaching process saving cost than tradition, 40min saves time.
Foregoing description only proposes as the enforceable technical scheme of the present invention, not as the single restrictive condition to its technical scheme itself.
Claims (8)
1. low temperature scouring agent is characterized in that by weight comprising: derivative of fatty acid 22%～28%, isomery alcohol 17%～23%, SAS 8%～12%, monoalkyl diphenyl ether disulfonate 8%～12%, surplus is a deionized water.
2. low temperature scouring agent according to claim 1; It is characterized in that by weight comprising: derivative of fatty acid Diacid X 22%～28%, isomery alcohol TO-7 13%～17%, isomery alcohol XP-90 4%～6%, SAS SAS-60 8%～12%, monoalkyl diphenyl ether disulfonate 8%～12%, surplus is a deionized water.
3. low temperature scouring agent according to claim 2; It is characterized in that by weight comprising: derivative of fatty acid Diacid X 25%, isomery alcohol TO-7 15%, isomery alcohol XP-90 5%, SAS SAS-60 10%, monoalkyl diphenyl ether disulfonate 10%, surplus is a deionized water.
4. the preparation method of above-mentioned low temperature scouring agent is characterized in that: according to above-mentioned prescription that various raw materials mix are even, slowly be warmed up to 65 ℃～75 ℃, and cooling naturally gets final product behind stirring at low speed 15min～20min.
5. the low temperature of cotton and BLENDED FABRIC thereof lacks the alkali short-flow pre-treating process, and its characterization step comprises:
A, boil and float: cotton and BLENDED FABRIC grey cloth thereof boil to float to boil in the working solution at 78 ℃～82 ℃ and float 55min～65min; Wherein, the said prescription that floats working solution that boils is: the described low temperature scouring agent of claim 1 1.5g/L～2g/L, NaOH 0.9g/L～1.1g/L, volume fraction are 30% H
2O
25.5g/L～6.5g/L, all the other are water;
The oven dry of B, cold wash: on go on foot products obtained therefrom and get final product through cold wash and oven dry.
6. the low temperature of cotton and BLENDED FABRIC thereof lacks the alkali short-flow pre-treating process, and its characterization step comprises:
A, low temperature are banked up: cotton and BLENDED FABRIC grey cloth thereof pad to boil and float working solution, pick-up 90%～120%, 38 ℃～42 ℃ 10h～12h that bank up; Wherein, the said prescription that floats working solution that boils is: the described low temperature scouring agent of claim 1 6g/L～8g/L, volume fraction are 30% H
2O
210g/L～15g/L, the low temperature agent 18g/L～22g/L that scourings and bleaching, all the other are water;
B, hot water wash: on go on foot products obtained therefrom with 93 ℃～97 ℃ the washing 12min～18min;
The oven dry of C, cold wash: on go on foot products obtained therefrom and get final product through cold wash and oven dry.
7. the low temperature of cotton and BLENDED FABRIC thereof lacks the alkali short-flow pre-treating process, and its characterization step comprises:
A, traditional destarch are handled: cotton and BLENDED FABRIC grey cloth thereof pad destarch enzyme working solution, 98 ℃ of decatize 3min, 90 ℃ of washing 5min, oven dry;
B, low temperature are banked up: on go on foot gained and pad to boil and float working solution, pick-up 90%～120%, 38 ℃～42 ℃ 10h～12h that bank up; Wherein, the said prescription that floats working solution that boils is: scouring and bleaching agent 18g/L～22g/L, volume fraction of the described low temperature of claim 1 is 30% H
2O
210g/L～15g/L, low temperature scouring agent 6g/L～8g/L, all the other are water;
C, decatize: the low temperature products obtained therefrom decatize 18min～22min under 100 ℃ of conditions that banks up;
D, hot water wash: on go on foot products obtained therefrom with 93 ℃～97 ℃ the washing 12min～18min;
The oven dry of E, cold wash: on go on foot products obtained therefrom and get final product through cold wash and oven dry.
8. according to the few alkali short-flow pre-treating process of the low temperature of claim 6 or 7 described cottons and BLENDED FABRIC thereof, it is characterized in that: the agent of scouringing and bleaching of said low temperature comprises by weight: anhydrous sodium metasilicate 90, metasilicate pentahydrate sodium 360, SODIUM PERCARBONATE 135, soda ash 225, caustic soda 18, isomery C10 ethoxy compound 36, sorbitan fatty acid ester 36, dicyandiamide 100.
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| CN106592199A (en) * | 2016-12-16 | 2017-04-26 | 上海雅运纺织助剂有限公司 | Continuous oxygen bleaching refining agent and preparation method thereof |
| CN106637947A (en) * | 2016-12-16 | 2017-05-10 | 吴江市北厍盛源纺织品助剂厂 | Phosphorus-free and low-foam textile refining agent and preparation method thereof |
| CN106592199B (en) * | 2016-12-16 | 2018-12-18 | 上海雅运新材料有限公司 | A kind of continuous oxygen bleaching refining agent and preparation method thereof |
| CN109577008A (en) * | 2018-11-12 | 2019-04-05 | 山东华晨彩装科技有限公司 | A kind of high-efficiency refining agent and its preparation method and application for pure cotton fabric continuously or intermittently boiling |
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