CN102943372B - Super white pure cotton knitted fabric processing method - Google Patents
Super white pure cotton knitted fabric processing method Download PDFInfo
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- CN102943372B CN102943372B CN201210409579.8A CN201210409579A CN102943372B CN 102943372 B CN102943372 B CN 102943372B CN 201210409579 A CN201210409579 A CN 201210409579A CN 102943372 B CN102943372 B CN 102943372B
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- 239000004744 fabric Substances 0.000 title claims abstract description 115
- 229920000742 Cotton Polymers 0.000 title claims abstract description 33
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 39
- 239000011347 resin Substances 0.000 claims abstract description 32
- 229920005989 resin Polymers 0.000 claims abstract description 32
- 238000009940 knitting Methods 0.000 claims abstract description 25
- 230000002087 whitening effect Effects 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000018044 dehydration Effects 0.000 claims abstract description 10
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims abstract description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- 238000005336 cracking Methods 0.000 claims abstract description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 52
- 239000007788 liquid Substances 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- 238000010792 warming Methods 0.000 claims description 35
- 239000006081 fluorescent whitening agent Substances 0.000 claims description 31
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 20
- 238000004513 sizing Methods 0.000 claims description 18
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 15
- 239000003381 stabilizer Substances 0.000 claims description 14
- 239000013527 degreasing agent Substances 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000000354 decomposition reaction Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 239000007844 bleaching agent Substances 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 7
- 239000003112 inhibitor Substances 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 4
- 229920003043 Cellulose fiber Polymers 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- ZTGKHKPZSMMHNM-UHFFFAOYSA-N 3-(2-phenylethenyl)benzene-1,2-disulfonic acid Chemical class OS(=O)(=O)C1=CC=CC(C=CC=2C=CC=CC=2)=C1S(O)(=O)=O ZTGKHKPZSMMHNM-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical group C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 238000004061 bleaching Methods 0.000 abstract description 6
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 4
- 238000004383 yellowing Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 abstract 2
- 239000002131 composite material Substances 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 2
- 238000007493 shaping process Methods 0.000 abstract 2
- 239000004753 textile Substances 0.000 description 13
- 230000000536 complexating effect Effects 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- -1 iron ion Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- NNTWKXKLHMTGBU-UHFFFAOYSA-N 4,5-dihydroxyimidazolidin-2-one Chemical compound OC1NC(=O)NC1O NNTWKXKLHMTGBU-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 125000002467 phosphate group Chemical class [H]OP(=O)(O[H])O[*] 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 238000009898 sodium hypochlorite bleaching Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Coloring (AREA)
Abstract
The present invention discloses a super white pure cotton knitted fabric processing method, which is characterized in that a traditional pure cotton knitted fabric processing technology is added with an acid-alkali composite cracking process, and a re-bleaching whitening process is added after resin styling is performed, such that the whole processing process sequentially comprises the following steps: knitting, acid-alkali composite cracking, oxygen bleaching whitening, dehydration and width opening and drying, resin styling, re-bleaching whitening, dehydration and drying, shaping, and pre-shrinking. The processing method has the following advantages that: impurities and heavy metal ions on the pure cotton grey cloth can be effectively removed so as to provide a high quality pretreatment fabric for the subsequent oxygen bleaching whitening process; and the re-bleaching whitening process is added after resin styling is performed, such that a whiteness of the pure cotton knitted fabric is substantially increased than a whiteness of the previous fabric, wherein the whiteness can be more than 160; and the subsequent shaping process is performed, such that the processed pure cotton knitted fabric has characteristics of pure and nature coloured light and excellent yellowing resistance so as to ensure brightness of clothes after long-term storage and wearing.
Description
Technical field
The present invention relates to the processing of fabric in field of textiles, relate in particular to a kind of processing method of ultrawhite pure cotton knitting face fabric.
Background technology
High-quality wite textiles fabric General Requirements has even, lasting, pure whiteness.But the white pure-cotton fabric existing in the market, its whiteness (measuring under CIE D65 light source and 1,964 10 degree view angles) is generally below 135, and coloured light is not just, and light fastness is poor, and xanthochromia easily occurs in use and wearing process.And pure cotton knitting face fabric wants to obtain higher whiteness, conventional method is the Double Drift of oxygen and chlorine Process that adopts clorox to combine with hydrogen peroxide, yet sodium hypochlorite bleaching exists the shortcomings such as the unstable and environmental hazard of technique, environmental protection, cleaner production, energy-saving and cost-reducing production requirement have been not suitable with.
Summary of the invention
It is high that technical problem to be solved by this invention is to provide a kind of whitness index, and the processing method of anti-yellowing change, the pure natural ultrawhite pure cotton knitting face fabric of coloured light.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of processing method of ultrawhite pure cotton knitting face fabric, be in the conventional machining process of pure cotton knitting face fabric, increase the compound cracking technology of soda acid and after resin sizing increase float again whitening process, the step of whole process is followed successively by: the compound cracking → oxygen of knitting → soda acid floats brighten → dehydration, open-width, oven dry → resin and shape → floats again and brighten → dewater, dry → sizing → preshrunk.
The detailed process of the described compound cracking technology of soda acid is: the bath raio of controlling pure cotton knitting grey cloth and water is 1:7～10, then in water, add decomposition agent 0.5～2.0g/L, bleaching agent 0.5～3.0g/L, and be warming up to 60 ℃, after insulation 10～15min, add liquid caustic soda 6～10g/L, be warming up to again 90～100 ℃, draining after insulation 10～30min, and then add water, the bath raio of controlling pure cotton knitting grey cloth and water is 1:10～20, be warming up to after 70～80 ℃, grey cloth is cleaned to 5～10min draining.
The detailed process that described oxygen floats whitening process is: the bath raio of controlling grey cloth and water is 1:5～10, then in water, add degreaser 0.5～2.0g/L, hydrogen peroxide stabilizer 0.5～1.0g/L, liquid caustic soda (32%) 2～10g/L successively, after being warming up to 50～60 ℃, add again hydrogen peroxide (27%) 12～18g/L, after processing 5～10min, add fluorescent whitening agent A 0.3～0.6%(o.w.f) and fluorescent whitening agent B 0.05～0.3%(o.w.f), be warming up to 98 ℃, draining after insulation 45～60min.
The detailed process of described resin setting process is: low formaldehyde resin 50～80g/L and catalyst 10～16g/L are uniformly mixed to form to resin heat treatment liquid, then cloth is padded in resin heat treatment liquid, the liquid carrying rate of controlling cloth is 70～80%, and the setting temperature of controlling setting machine is that 120～130 ℃, the speed of a motor vehicle are 14～20m/min, cloth is shaped.
The described detailed process of floating whitening process of answering is: the bath raio of controlling cloth and water is 1:5～10, then in water, add successively degreaser 0.5～2.0g/L, hydrogen peroxide stabilizer 0.3～0.5g/L, liquid caustic soda (32%) 2～4g/L, after being warming up to 50～60 ℃, add again hydrogen peroxide (27%) 6～12g/L, after processing 5～10min, add fluorescent whitening agent A 0.15～0.3%(o.w.f) and fluorescent whitening agent B 0.05～0.15%(o.w.f), be warming up to 98 ℃, draining after insulation 30～45min.
The detailed process of described setting process is: organosilicon consistent lubricant 30～100g/L and xanthochromia inhibitor 5～10g/L are uniformly mixed to form to sizing dressing liquid, then cloth is padded in sizing dressing liquid, and the liquid carrying rate of controlling cloth is 70～80%, the setting temperature of setting machine is that 110～120 ℃, the speed of a motor vehicle are 14～20m/min, and cloth is shaped.
Compared with prior art, advantage of the present invention is owing to having increased before oxygen floats whitening process the compound cracking technology of the soda acid of grey cloth, can effectively remove impurity and heavy metal ion on pure cotton grey fabric, for floating whitening process, follow-up oxygen provides high-quality pre-treatment fabric, and float at oxygen the fluorescent whitening agent compound use of selecting two kinds of high-affinities in whitening process, and increased and floated again whitening process after resin sizing, can make the whiteness of pure cotton knitting face fabric be greatly improved more in the past, make its whiteness can reach more than 160, and by follow-up setting process, the pure nature of pure cotton knitting face fabric coloured light that can make processing obtain, there is excellent anti-yellowing change ability, still beautiful as new after long term storage and dress to guarantee clothing.
Manufacturer, composition and the performance introduction of the decomposition agent using in the present invention, bleaching agent, degreaser, hydrogen peroxide stabilizer, fluorescent whitening agent A, fluorescent whitening agent B, low formaldehyde resin, catalyst, organosilicon consistent lubricant and xanthochromia inhibitor are as follows:
Decomposition agent: adopt Hensel to step the decomposition agent INVATEX SA that weaving dying (China) Co., Ltd produces, it is the compound of a kind of phosphate derivative and water-soluble polymer, can complexing and be dispersed in alkaline-earth metal and the heavy metal ion in acid and concentrated base bath, there is the function of disperseing and removing grease impurity on fabric simultaneously, thereby improve following process as the reappearance of bleaching, dyeing, stamp or arrangement and security, improve the whiteness of hydrogen peroxide bleaching and correspondingly reduce the harm of catalytic reaction.
Bleaching agent: adopt Hensel to step the bleaching agent CLARITE ONE that weaving dying (China) Co., Ltd produces, it is the compound of Complexing/Dispersing Agent, surfactant and hydrogen peroxide stabilizer, for cellulose fibre and their BLENDED FABRIC, there is outstanding wetting, complexing dispersion and emulsifying capacity.
Degreaser: the degreaser TISSOCYL RC9 that adopts German Sima Chemical Co., Ltd. to produce, it is a kind of high-duty detergent, it is the mixture of non-ionic surface active agent, soluble in water, low bubble, biodegradable, in water can with silicone oil spontaneous emulsification, grease and mineral oil are had to good emulsification, even if also there is at low temperatures best emulsifying effectiveness.
Hydrogen peroxide stabilizer: the hydrogen peroxide stabilizer Genlitex CBS that in employing, Haifeng county profit textile auxiliary Co., Ltd provides, it is the mixed liquor of multi-functional organic acid, be applicable to alkaline bath hydrogen peroxide bleaching, can effectively control the decomposition rate of hydrogen peroxide, improve fabric whiteness, there is stronger iron ion, heavy metal chelating ability simultaneously, prevent " broken hole " that the local peroxidating of fabric or yarn from occurring.
Fluorescent whitening agent A: UVITEX BHT liquid 115 % that adopt Guangdong Ciba Co., Ltd to produce, it is the derivative of stilbene disulfonic acid, band is neutral to light blue coloured light, belong to high-affinity fluorescent whitening agent, be applicable to contaminate processing technology, at high temperature still have splendid washing fastness, and have splendid lifting force, fabric whiteness is high and bright-coloured.
Fluorescent whitening agent B: adopt to open up and receive chemical (Shanghai) Co., Ltd. and produce ULTRA WHITE, it is diphenyl ethylene derivatives, and band blue light, belongs to high-affinity fluorescent whitening agent, can give the whiteness that cellulose fibre is extremely bright-coloured, but be subject to the negative effect of metal ion larger.
Low formaldehyde resin: the flat F-AP of clothes silk that adopts BASF dye chemical industry Co., Ltd to produce, it is a kind of hydroxymethyl-2 dihydroxy-ethylene urea ultra-low formaldehyde crosslinking agent of modification, arranges and compares with ordinary resin, fabric is difficult for yellowing.
Catalyst: adopt magnesium chloride, it is a kind of white crystal, and water soluble is a kind of effective catalyst of resin.
Organosilicon consistent lubricant: the hydrophilic textile softener Magnasoft JSS that adopts Mitugao New Material Group to produce, have excellent feel and outstanding stability, to compare with traditional amino-modified silicone oil emulsion, it has the characteristic of extremely low xanthochromia.
Xanthochromia inhibitor: adopt to open up and receive the LEVASALT AY that chemical (Shanghai) Co., Ltd. produces, it is a kind of alkylsulfonate, pH value is about 8, alkalescence on the weak side, the xanthochromia inhibition that BHT (di-tert-butyl paracresol) is caused is very excellent, simultaneously water-fastness, phenol xanthochromia is had to extremely excellent inhibition ability.
The specific embodiment
Below the present invention is described in further detail.
Embodiment mono-: getting the detailed process that 90S/1 pure cotton combed yarn is processed into the textile interlock fabric knit fabric of ultrawhite 90S/1 is:
(1), 90S/1 pure cotton combed yarn is made into textile interlock fabric grey cloth on circular knitting machine;
(2), pure cotton knitting grey cloth is dropped in overflow cylinder, the bath raio of controlling grey cloth and water is 1:10, then in water, add decomposition agent 1.0g/L, bleaching agent 1.0g/L, and be warming up to 60 ℃, after insulation 10min, add liquid caustic soda 6g/L, be warming up to again 98 ℃, draining after insulation 20min, and then add water, the bath raio of controlling grey cloth and water is 1:10, be warming up to after 80 ℃, grey cloth is cleaned to 10min draining;
(3), in overflow cylinder, add water, the bath raio of controlling grey cloth and water is 1:10, then in water, add degreaser 1.0g/L, hydrogen peroxide stabilizer 0.5g/L, liquid caustic soda (32%) 6g/L successively, after being warming up to 50 ℃, add again hydrogen peroxide (27%) 12g/L, after processing 5min, add fluorescent whitening agent A 0.5%(o.w.f) and fluorescent whitening agent B 0.1%(o.w.f), be warming up to 98 ℃, draining after insulation 45min;
(4), by cloth dehydration, open-width, oven dry;
(5), low formaldehyde resin 50g/L and catalyst 10g/L are uniformly mixed to form to resin heat treatment liquid, then cloth is padded in resin heat treatment liquid, the liquid carrying rate of controlling cloth is 70%, and the setting temperature of controlling setting machine is that 125 ℃, the speed of a motor vehicle are 20m/min, cloth is shaped;
(6), the cloth carrying out after resin sizing is dropped in overflow cylinder, the bath raio of controlling cloth and water is 1:10, then in water, add successively degreaser 1.0g/L, hydrogen peroxide stabilizer 0.3g/L, liquid caustic soda (32%) 2g/L, after being warming up to 50 ℃, add again hydrogen peroxide (27%) 6g/L, after processing 5min, add fluorescent whitening agent A 0.2%(o.w.f) and fluorescent whitening agent B 0.05%(o.w.f), be warming up to 98 ℃, draining after insulation 30min;
(7), by cloth dehydration, oven dry;
(8), organosilicon consistent lubricant 80g/L and xanthochromia inhibitor 10g/L are uniformly mixed to form to sizing dressing liquid, then cloth is padded in sizing dressing liquid, and the liquid carrying rate of controlling cloth is 80%, the setting temperature of setting machine is that 110 ℃, the speed of a motor vehicle are 20m/min, and cloth is shaped;
(9), finally cloth is carried out to preshrunk, obtain the textile interlock fabric knit fabric of ultrawhite 90S/1.
Embodiment bis-: getting the detailed process that 20S/1 pure cotton combed yarn is processed into the textile pearl of ultrawhite 20S/1 ground knit fabric is:
(1), 20S/1 pure cotton combed yarn is made on circular knitting machine to textile pearl ground grey cloth;
(2), pure cotton knitting grey cloth is dropped in overflow cylinder, the bath raio of controlling grey cloth and water is 1:10, then in water, add decomposition agent 1.5g/L, bleaching agent 1.5g/L, and be warming up to 60 ℃, after insulation 15min, add liquid caustic soda 8g/L, be warming up to again 95 ℃, draining after insulation 30min, and then add water, the bath raio of controlling grey cloth and water is 1:15, be warming up to after 75 ℃, grey cloth is cleaned to 8min draining;
(3), in overflow cylinder, add water, the bath raio of controlling grey cloth and water is 1:10, then in water, add degreaser 1.5g/L, hydrogen peroxide stabilizer 0.8g/L, liquid caustic soda (32%) 8g/L successively, after being warming up to 60 ℃, add again hydrogen peroxide (27%) 16g/L, after processing 10min, add fluorescent whitening agent A 0.6%(o.w.f) and fluorescent whitening agent B 0.15%(o.w.f), be warming up to 98 ℃, draining after insulation 50min;
(4), by cloth dehydration, open-width, oven dry;
(5), low formaldehyde resin 80g/L and catalyst 16g/L are uniformly mixed to form to resin heat treatment liquid, then cloth is padded in resin heat treatment liquid, the liquid carrying rate of controlling cloth is 70%, and the setting temperature of controlling setting machine is that 130 ℃, the speed of a motor vehicle are 16m/min, cloth is shaped;
(6), the cloth carrying out after resin sizing is dropped in overflow cylinder, the bath raio of controlling cloth and water is 1:8, then in water, add successively degreaser 1.5g/L, hydrogen peroxide stabilizer 0.5g/L, liquid caustic soda (32%) 3g/L, after being warming up to 55 ℃, add again hydrogen peroxide (27%) 8g/L, after processing 10min, add fluorescent whitening agent A 0.3%(o.w.f) and fluorescent whitening agent B 0.1%(o.w.f), be warming up to 98 ℃, draining after insulation 45min;
(7), by cloth dehydration, oven dry;
(8), organosilicon consistent lubricant 100g/L and xanthochromia inhibitor 10g/L are uniformly mixed to form to sizing dressing liquid, then cloth is padded in sizing dressing liquid, and the liquid carrying rate of controlling cloth is 80%, the setting temperature of setting machine is that 120 ℃, the speed of a motor vehicle are 16m/min, and cloth is shaped;
(9), finally cloth is carried out to preshrunk, obtain the textile pearl of ultrawhite 20S/1 ground knit fabric.
Embodiment tri-: getting the detailed process that 20S/1 pure cotton combed yarn is processed into the textile single jersey knit fabric of ultrawhite 20S/1 is:
(1), 20S/1 pure cotton combed yarn is made into textile single jersey grey cloth on circular knitting machine;
(2), pure cotton knitting grey cloth is dropped in overflow cylinder, the bath raio of controlling grey cloth and water is 1:10, then in water, add decomposition agent 2.0g/L, bleaching agent 3.0g/L, and be warming up to 60 ℃, after insulation 15min, add liquid caustic soda 10g/L, be warming up to again 100 ℃, draining after insulation 30min, and then add water, the bath raio of controlling grey cloth and water is 1:20, be warming up to after 80 ℃, grey cloth is cleaned to 10min draining;
(3), in overflow cylinder, add water, the bath raio of controlling grey cloth and water is 1:10, then in water, add degreaser 2.0g/L, hydrogen peroxide stabilizer 1.0g/L, liquid caustic soda (32%) 10g/L successively, after being warming up to 50 ℃, add again hydrogen peroxide (27%) 18g/L, after processing 10min, add fluorescent whitening agent A 0.6%(o.w.f) and fluorescent whitening agent B 0.2%(o.w.f), be warming up to 98 ℃, draining after insulation 60min;
(4), by cloth dehydration, open-width, oven dry;
(5), low formaldehyde resin 60g/L and catalyst 12g/L are uniformly mixed to form to resin heat treatment liquid, then cloth is padded in resin heat treatment liquid, the liquid carrying rate of controlling cloth is 80%, and the setting temperature of controlling setting machine is that 125 ℃, the speed of a motor vehicle are 18m/min, cloth is shaped;
(6), the cloth carrying out after resin sizing is dropped in overflow cylinder, the bath raio of controlling cloth and water is 1:10, then in water, add successively degreaser 2.0g/L, hydrogen peroxide stabilizer 0.4g/L, liquid caustic soda (32%) 4g/L, after being warming up to 60 ℃, add again hydrogen peroxide (27%) 12g/L, after processing 6min, add fluorescent whitening agent A 0.2%(o.w.f) and fluorescent whitening agent B 0.15%(o.w.f), be warming up to 98 ℃, draining after insulation 40min;
(7), by cloth dehydration, oven dry;
(8), organosilicon consistent lubricant 50g/L and xanthochromia inhibitor 6g/L are uniformly mixed to form to sizing dressing liquid, then cloth is padded in sizing dressing liquid, and the liquid carrying rate of controlling cloth is 70%, the setting temperature of setting machine is that 110 ℃, the speed of a motor vehicle are 18m/min, and cloth is shaped;
(9), finally cloth is carried out to preshrunk, obtain the textile single jersey knit fabric of ultrawhite 20S/1.
Claims (3)
1. the processing method of a ultrawhite pure cotton knitting face fabric, it is characterized in that increasing the compound cracking technology of soda acid in the conventional machining process of pure cotton knitting face fabric and after resin sizing increase float again whitening process, the step of whole process is followed successively by: the compound cracking → oxygen of knitting → soda acid floats brighten → dehydration, open-width, oven dry → resin and shape → floats again and brighten → dewater, dry → sizing → preshrunk;
The detailed process of the described compound cracking technology of soda acid is: the bath raio of controlling pure cotton knitting grey cloth and water is 1:7～10, then in water, add decomposition agent 0.5～2.0g/L, bleaching agent 0.5～3.0g/L, and be warming up to 60 ℃, after insulation 10～15min, add liquid caustic soda 6～10g/L, be warming up to again 90～100 ℃, draining after insulation 10～30min, and then add water, the bath raio of controlling pure cotton knitting grey cloth and water is 1:10～20, be warming up to after 70～80 ℃, grey cloth is cleaned to 5～10min draining;
The detailed process that described oxygen floats whitening process is: the bath raio of controlling grey cloth and water is 1:5～10, then in water, add degreaser 0.5～2.0g/L, hydrogen peroxide stabilizer 0.5～1.0g/L, 32% liquid caustic soda 2～10g/L successively, after being warming up to 50～60 ℃, add again 27% hydrogen peroxide 12～18g/L, after processing 5～10min, add fluorescent whitening agent A0.3～0.6%o.w.f and fluorescent whitening agent B0.05～0.3%o.w.f, be warming up to 98 ℃, draining after insulation 45～60min;
The described detailed process of floating whitening process of answering is: the bath raio of controlling cloth and water is 1:5～10, then in water, add successively degreaser 0.5～2.0g/L, hydrogen peroxide stabilizer 0.3～0.5g/L, 32% liquid caustic soda 2～4g/L, after being warming up to 50～60 ℃, add again 27% hydrogen peroxide 6～12g/L, after processing 5～10min, add fluorescent whitening agent A0.15～0.3%o.w.f and fluorescent whitening agent B0.05～0.15%o.w.f, be warming up to 98 ℃, draining after insulation 30～45min;
Described fluorescent whitening agent A: the UVITEX BHT liquid115% that adopts Guangdong Ciba Co., Ltd to produce, it is the derivative of stilbene disulfonic acid, band is neutral to light blue coloured light, belong to high-affinity fluorescent whitening agent, be applicable to contaminate processing technology, at high temperature still have splendid washing fastness, and have splendid lifting force, fabric whiteness is high and bright-coloured;
Described fluorescent whitening agent B: adopt to open up and receive chemical (Shanghai) Co., Ltd. and produce ULTRA WHITE, it is diphenyl ethylene derivatives, and band blue light, belongs to high-affinity fluorescent whitening agent, can give the whiteness that cellulose fibre is extremely bright-coloured, but be subject to the negative effect of metal ion larger.
2. the processing method of a kind of ultrawhite pure cotton knitting face fabric as claimed in claim 1, the detailed process that it is characterized in that described resin setting process is: low formaldehyde resin 50～80g/L and catalyst 10～16g/L are uniformly mixed to form to resin heat treatment liquid, then cloth is padded in resin heat treatment liquid, the liquid carrying rate of controlling cloth is 70～80%, and the setting temperature of controlling setting machine is that 120～130 ℃, the speed of a motor vehicle are 14～20m/min, cloth is shaped.
3. the processing method of a kind of ultrawhite pure cotton knitting face fabric as claimed in claim 1, the detailed process that it is characterized in that described setting process is: organosilicon consistent lubricant 30～100g/L and xanthochromia inhibitor 5～10g/L are uniformly mixed to form to sizing dressing liquid, then cloth is padded in sizing dressing liquid, and the liquid carrying rate of controlling cloth is 70～80%, the setting temperature of setting machine is that 110～120 ℃, the speed of a motor vehicle are 14～20m/min, and cloth is shaped.
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| CN103643476A (en) * | 2013-12-02 | 2014-03-19 | 常熟市新蕾针织有限公司 | Processing method of ultra-white pure cotton knitted fabric |
| CN104652015B (en) * | 2015-01-15 | 2017-02-22 | 嵊州盛泰色织科技有限公司 | Processing method for white fabric |
| CN108221356A (en) * | 2017-12-27 | 2018-06-29 | 鲁丰织染有限公司 | A kind of anti-phenol xanthochromia pure cotton white facestock processing technology |
| CN108396546A (en) * | 2018-02-24 | 2018-08-14 | 鲁丰织染有限公司 | The high whiteness pure cotton fabric of blue light and its preparation process |
| CN109797545B (en) * | 2019-01-17 | 2021-07-16 | 广东溢达纺织有限公司 | High whiteness non-iron finishing method for textiles and textiles |
| CN110106701A (en) * | 2019-04-28 | 2019-08-09 | 邹平舫汇针织有限公司 | The preparation method of a kind of inorganic agent for the processing of degreasing fabric and the degreasing fabric using the inorganic agent and obtained degreasing fabric |
| CN110904668A (en) * | 2019-11-26 | 2020-03-24 | 鲁丰织染有限公司 | Continuous processing method of durable yellowing-resistant high-whiteness cotton fabric |
| CN113337948A (en) * | 2021-06-07 | 2021-09-03 | 红豆集团无锡红豆童装有限公司 | Organic cotton denim with knitted fabric effect and preparation method thereof |
| CN114108326A (en) * | 2021-12-03 | 2022-03-01 | 广东溢达纺织有限公司 | Method for improving yellowing of white knitted fabric, white knitted fabric and weaving method |
| CN114045667B (en) * | 2021-12-03 | 2023-11-14 | 鲁丰织染有限公司 | Finishing method for improving whiteness of cellulose fiber fabric |
| CN114263034B (en) * | 2021-12-03 | 2023-11-14 | 鲁丰织染有限公司 | Finishing method for whiteness of high-whiteness pure cotton fabric |
| CN114541127B (en) * | 2022-02-23 | 2023-08-29 | 广东溢达纺织有限公司 | Pearl white fabric and preparation method thereof and textile product |
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