CN105316780A - Fluorescent whitening flat filament production process - Google Patents
Fluorescent whitening flat filament production process Download PDFInfo
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- CN105316780A CN105316780A CN201510704613.8A CN201510704613A CN105316780A CN 105316780 A CN105316780 A CN 105316780A CN 201510704613 A CN201510704613 A CN 201510704613A CN 105316780 A CN105316780 A CN 105316780A
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Abstract
The invention relates to a fluorescent whitening flat filament production process. The process comprises the steps that a, viscose is metered and shaped, wherein the viscose is metered through a metering pump and then sent into a flat spinning nozzle through a curved tube, the flat spinning nozzle sprays filaments, the filaments are subjected to an acid bath, drafted through a drafting roller and subjected to solidification forming through a solidification roller, the viscosity of the viscose is 30S, and the degree of maturity is between 9.6 ml and 9.7 ml according to the NH4C1 value; b, primary washing is conducted, wherein water in a washing tank is soft water, and the water flow rate is 1500 ml/min; c, skeining is conducted, wherein the filaments washed in the washing tank are sent into a skeining machine for skeining; d, secondary washing is conducted; e, alkali washing is conducted, wherein alkali liquor in a alkali washing station is sodium hydroxide solution with the concentration between 6.5 g/l and 6.7 g/l; f, third washing is conducted; g, fluorescent whitening agent washing is conducted, wherein the filaments subjected to treatment in the step f are sent into a fluorescent whitening agent washing station for washing, and the concentration of the fluorescent whitening agent is between 16 ppm and 18 ppm; h, oil is applied; i, drying is performed; j, humidity is adjusted.
Description
Technical field
The present invention relates to textiles technical field, more particularly, relate to a kind of fluorescent brightening flat filament production technology.
Background technology
Flat filament has concentrated the premium properties of common dimension card fiber and flax fibre, and fabric is smooth, feel bullet is soft, is rich in third dimension, comfortable pleasant; And there is moisture absorption and rapid heat dissipation, be easier to the feature that dyes.The each have their own advantage of flat filament that existing fluorescent brightening flat filament production technology is produced, but the whiteness of these flat filaments is general not high, can only about 80% be reached, and not there is fluorescent effect, and existing market personalize becomes increasingly conspicuous, market requires more and more higher to the whiteness of flat filament, and the flat filament that whiteness is higher, fluorescent effect is better is more easily subject to the favor of client, in order to meet the demand in market, it is very necessary for producing the flat filament that a kind of high whiteness has fluorescent effect.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of fluorescent brightening flat filament production technology.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of fluorescent brightening flat filament production technology, wherein, comprise the following steps:
A, viscose glue measure and shape
Viscose glue sends into flat spinning head by curved tube after measuring pump metering, and flat spinning head ejection strand, strand through drawing roller drawing-off, solidifies roller coagulation forming after acid bath, and the viscosity of described viscose glue is 30S, and degree of ripeness is with NH
4cl value counts 9.6 ~ 9.7ml, and described acid bath comprises sulfuric acid, zinc sulfate and sodium sulphate;
B, first time washing
Strand is sent into rinsing bowl and is carried out first time washing after supersolidification roller coagulation forming, and the water in rinsing bowl is soft water, and discharge is 1500ml/min;
C, skeining
Strand after being washed by rinsing bowl sends into hank reeling machine skeining;
D, second time washing
The strand of skeining is sent into post processing washing station and carry out second time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
E, alkali cleaning
Strand through Step d is sent into alkali cleaning station and carries out alkali cleaning, the alkali lye at alkali cleaning station is sodium hydroxide solution, and its concentration is 6.5 ~ 6.7g/l;
F, third time washing
Strand through f step is sent into washing station and carries out third time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
G, fluorescent whitening agent wash
Strand through f step is sent into the washing of fluorescent whitening agent wash plant, and the concentration of fluorescent whitening agent is 16 ~ 18ppm;
H, to oil
I, oven dry
J, damping.
Fluorescent brightening flat filament production technology of the present invention, wherein, in described a step, solidifying the number of turns that on roller, strand is wound around is 40 ~ 45 circles.
Fluorescent brightening flat filament production technology of the present invention, wherein, in described a step, solidifying the number of turns that on roller, strand is wound around is 42 circles.
Fluorescent brightening flat filament production technology of the present invention, wherein, the concentration of sodium hydroxide solution at described alkali cleaning station is 6.65g/l.
Fluorescent brightening flat filament production technology of the present invention, wherein, described viscose ripening degree is with NH
4cl value counts 9.68ml.
Fluorescent brightening flat filament production technology of the present invention, wherein, the concentration of described fluorescent whitening agent is 17ppm.
Fluorescent brightening flat filament production technology of the present invention, wherein, described acid bath comprises sulfuric acid, and concentration is 133g/l.
Fluorescent brightening flat filament production technology of the present invention, wherein, described acid bath comprises zinc sulfate, and concentration is 10.8g/l.
Fluorescent brightening flat filament production technology of the present invention, wherein, described acid bath comprises sodium sulphate, and concentration is 232g/l.
Beneficial effect of the present invention is: through three washings and an alkali cleaning, and the water in rinsing bowl is soft water, discharge controls as 1500ml/min, ensure that strand surface clean, smooth, such guarantee fluorescent whitening agent can be attached on strand, and not easily drop, improve whiteness and obtain fluorescent effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below in conjunction with drawings and Examples, the invention will be further described, accompanying drawing in the following describes is only section Example of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings:
Fig. 1 is the fluorescent brightening flat filament production technological process of present pre-ferred embodiments.
Detailed description of the invention
In order to make the object of the embodiment of the present invention, technical scheme and advantage clearly, clear, complete description is carried out below in conjunction with the technical scheme in the embodiment of the present invention, obviously, described embodiment is section Example of the present invention, instead of whole embodiment.Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not paying creative work, all belongs to protection scope of the present invention.
The fluorescent brightening flat filament technological process of production of present pre-ferred embodiments as shown in Figure 1, comprises the following steps:
A, viscose glue measure and shape
Viscose glue sends into flat spinning head by curved tube after measuring pump metering, and flat spinning head ejection strand, strand through drawing roller drawing-off, solidifies roller coagulation forming after acid bath, and the viscosity of described viscose glue is 30S, and degree of ripeness is with NH
4cl value counts 9.6 ~ 9.7ml, and described acid bath comprises sulfuric acid, zinc sulfate and sodium sulphate;
B, first time washing
Strand is sent into rinsing bowl and is carried out first time washing after supersolidification roller coagulation forming, and the water in rinsing bowl is soft water, and discharge is 1500ml/min;
C, skeining
Strand after being washed by rinsing bowl sends into hank reeling machine skeining;
D, second time washing
The strand of skeining is sent into post processing washing station and carry out second time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
E, alkali cleaning
Strand through Step d is sent into alkali cleaning station and carries out alkali cleaning, the alkali lye at alkali cleaning station is sodium hydroxide solution, and its concentration is 6.5 ~ 6.7g/l;
F, third time washing
Strand through f step is sent into washing station and carries out third time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
G, fluorescent whitening agent wash
Strand through f step is sent into the washing of fluorescent whitening agent wash plant, and the concentration of fluorescent whitening agent is 16 ~ 18ppm;
H, to oil
I, oven dry
J, damping.
The present invention includes viscose glue measure and shape, first time washing, skeining, second time washing, alkali cleaning, wash for the third time, fluorescent whitening agent washs, oils, dries and damping.Through these processing steps, just can increase fluorescent effect on flat filament, the whiteness of flat filament can also be improved simultaneously, allow whiteness reach about 90%, meet the demand of existing market.Present invention comprises three washings, front twice washing is all the acid washing away strand surface, alkali cleaning is also the acid in order to wash away strand surface, third time washing is the alkali lye in order to wash away strand surface, through three washings and an alkali cleaning, and the water in rinsing bowl is soft water, discharge controls as 1500ml/min, ensure that strand surface clean, smooth, such guarantee fluorescent whitening agent can be attached on strand, and not easily drop, improve whiteness and obtain fluorescent effect, when carrying out fluorescent whitening agent washing to flat filament, at least to carry out three washings and an alkali cleaning.
In above-mentioned fluorescent brightening flat filament production technology, in described a step, solidifying the number of turns that on roller, strand is wound around is 40 ~ 45 circles.Preferably, in above-mentioned fluorescent brightening flat filament production technology, in described a step, solidifying the number of turns that on roller, strand is wound around is 42 circles.Such winding number of turns is conducive to strand coagulation forming, meets the requirement that strand is shaping completely, also can improve shaping speed simultaneously, improves the output of flat filament.
In above-mentioned fluorescent brightening flat filament production technology, the concentration of sodium hydroxide solution at described alkali cleaning station most preferably is 6.65g/l.Sodium hydroxide solution disacidify is effective, and inexpensively, production cost is lower for price, concentration control 6.5 ~ 6.7g/l can effectively in and strand surface on acid solution, also can avoid alkali liquid corrosion strand, produce undesirable flat filament.
In above-mentioned fluorescent brightening flat filament production technology, described viscose ripening degree is with NH
4cl value counts 9.68ml.
In above-mentioned fluorescent brightening flat filament production technology, the concentration of described fluorescent whitening agent most preferably is 17ppm.Such fluorescent whitening agent source is wide, easily, preparation cost is low, and whitening effect is good in preparation, be easy to be attached on strand, not easily drop, brighten fluorescent effect good, and use amount is few, concentration limits fixes on 15 ~ 20ppm and brightens and fluorescent effect with regard to meeting, the concentration of saving cost fluorescent brightening agent is also the important factor in order of the raising of flat filament whiteness and fluorescent effect, when washing, ensure that its concentration is at 15-20ppm.
Acid bath in the present invention comprises sulfuric acid, zinc sulfate and sodium sulphate, and wherein sulfuric acid is 132 ~ 134g/l, and zinc sulfate is 10.2 ~ 11g/l, and sodium sulphate is 230 ~ 234g/l, and preferably, sulfuric acid is 133g/l, and zinc sulfate is 10.8g/l, and sodium sulphate is 232g/l.Select such acid bath strand good forming effect, smooth surface is smooth, and spinline breakage is few, and burr is few, is beneficial to the attachment of later stage fluorescent whitening agent, and adhesive ability is strong, and not easily drop, it is good to brighten with fluorescent effect.
In b step of the present invention, the water in rinsing bowl is soft water, and discharge is 1500ml/min.The clean result of soft water is good, the acid on strand surface can be washed away fast and effectively, discharge controls as 1500ml/min, ensure the clean result of soft water, water has acid when washing and is mixed into, can slowly containing acid in water, so in order to ensure clean result, change soft water, flow-control can meet clean result at 1500ml/min, can save again and be used for.
embodiment 1
A kind of fluorescent brightening flat filament production technology, comprises following processing step:
A, viscose glue measure and shape
Viscose glue sends into flat spinning head by curved tube after measuring pump metering, and flat spinning head ejection strand, strand through drawing roller drawing-off, solidifies roller coagulation forming after acid bath, and the viscosity of viscose glue is 30S, and degree of ripeness is with NH
4cl value counts 9.7ml, and acid bath is sulfuric acid, and concentration is that to solidify the number of turns that strand on roller is wound around be 45 circles to 133g/l;
B, first time washing
Strand is sent into rinsing bowl and is carried out first time washing after supersolidification roller coagulation forming, and the water in rinsing bowl is soft water, and discharge is 1500ml/min;
C, skeining
Strand after being washed by rinsing bowl sends into hank reeling machine skeining;
D, second time washing
The strand of skeining is sent into post processing washing station and carry out second time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
E, alkali cleaning
Strand through Step d is sent into alkali cleaning station and carries out alkali cleaning, the alkali lye at alkali cleaning station is sodium hydroxide solution, and its concentration is 6.7g/l;
F, third time washing
Strand through f step is sent into washing station and carries out third time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
G, fluorescent whitening agent wash
Strand through f step is sent into the washing of fluorescent whitening agent wash plant, and the concentration of fluorescent whitening agent is 18ppm;
H, to oil
I, oven dry
J, damping.
The whiteness of flat filament that the present embodiment is produced after testing is 90%.
embodiment 2
A kind of fluorescent brightening flat filament production technology, comprises following processing step:
A, viscose glue measure and shape
Viscose glue sends into flat spinning head by curved tube after measuring pump metering, and flat spinning head ejection strand, strand through drawing roller drawing-off, solidifies roller coagulation forming after acid bath, and the viscosity of viscose glue is 30S, and degree of ripeness is with NH
4cl value counts 9.6ml, and acid bath is zinc sulfate, and concentration is 10.8g/l, and solidifying the number of turns that on roller, strand is wound around is 40 circles;
B, first time washing
Strand is sent into rinsing bowl and is carried out first time washing after supersolidification roller coagulation forming, and the water in rinsing bowl is soft water, and discharge is 1500ml/min;
C, skeining
Strand after being washed by rinsing bowl sends into hank reeling machine skeining;
D, second time washing
The strand of skeining is sent into post processing washing station and carry out second time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
E, alkali cleaning
Strand through Step d is sent into alkali cleaning station and carries out alkali cleaning, the alkali lye at alkali cleaning station is sodium hydroxide solution, and its concentration is 6.5g/l;
F, third time washing
Strand through f step is sent into washing station and carries out third time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
G, fluorescent whitening agent wash
Strand through f step is sent into the washing of fluorescent whitening agent wash plant, and the concentration of fluorescent whitening agent is 16ppm;
H, to oil
I, oven dry
J, damping.
The whiteness of flat filament that the present embodiment is produced after testing is 92%.
embodiment 3
A kind of fluorescent brightening flat filament production technology, comprises following processing step:
A, viscose glue measure and shape
Viscose glue sends into flat spinning head by curved tube after measuring pump metering, and flat spinning head ejection strand, strand through drawing roller drawing-off, solidifies roller coagulation forming after acid bath, and the viscosity of viscose glue is 30S, and degree of ripeness is with NH
4cl value counts 9.68ml, and acid bath is sodium sulphate, and concentration is 232g/l, and solidifying the number of turns that on roller, strand is wound around is 42 circles;
B, first time washing
Strand is sent into rinsing bowl and is carried out first time washing after supersolidification roller coagulation forming, and the water in rinsing bowl is soft water, and discharge is 1500ml/min;
C, skeining
Strand after being washed by rinsing bowl sends into hank reeling machine skeining;
D, second time washing
The strand of skeining is sent into post processing washing station and carry out second time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
E, alkali cleaning
Strand through Step d is sent into alkali cleaning station and carries out alkali cleaning, the alkali lye at alkali cleaning station is sodium hydroxide solution, and its concentration is 6.6g/l;
F, third time washing
Strand through f step is sent into washing station and carries out third time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
G, fluorescent whitening agent wash
Strand through f step is sent into the washing of fluorescent whitening agent wash plant, and the concentration of fluorescent whitening agent is 17ppm;
H, to oil
I, oven dry
J, damping.
The whiteness of flat filament that the present embodiment is produced after testing is 91%.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (9)
1. a fluorescent brightening flat filament production technology, is characterized in that, comprises the following steps:
A, viscose glue measure and shape
Viscose glue sends into flat spinning head by curved tube after measuring pump metering, and flat spinning head ejection strand, strand through drawing roller drawing-off, solidifies roller coagulation forming after acid bath, and the viscosity of described viscose glue is 30S, and degree of ripeness is with NH
4cl value counts 9.6 ~ 9.7ml, and described acid bath comprises sulfuric acid, zinc sulfate and sodium sulphate;
B, first time washing
Strand is sent into rinsing bowl and is carried out first time washing after supersolidification roller coagulation forming, and the water in rinsing bowl is soft water, and discharge is 1500ml/min;
C, skeining
Strand after being washed by rinsing bowl sends into hank reeling machine skeining;
D, second time washing
The strand of skeining is sent into post processing washing station and carry out second time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
E, alkali cleaning
Strand through Step d is sent into alkali cleaning station and carries out alkali cleaning, the alkali lye at alkali cleaning station is sodium hydroxide solution, and its concentration is 6.5 ~ 6.7g/l;
F, third time washing
Strand through f step is sent into washing station and carries out third time washing, the water in rinsing bowl is soft water, and discharge is 1500ml/min;
G, fluorescent whitening agent wash
Strand through f step is sent into the washing of fluorescent whitening agent wash plant, and the concentration of fluorescent whitening agent is 16 ~ 18ppm;
H, to oil
I, oven dry
J, damping.
2. fluorescent brightening flat filament production technology according to claim 1, is characterized in that, in described a step, solidifying the number of turns that on roller, strand is wound around is 40 ~ 45 circles.
3. fluorescent brightening flat filament production technology according to claim 2, is characterized in that, in described a step, solidifying the number of turns that on roller, strand is wound around is 42 circles.
4. fluorescent brightening flat filament production technology according to claim 1, is characterized in that, the concentration of sodium hydroxide solution at described alkali cleaning station is 6.65g/l.
5. fluorescent brightening flat filament production technology according to claim 1, is characterized in that, described viscose ripening degree is with NH
4cl value counts 9.68ml.
6. fluorescent brightening flat filament production technology according to claim 1, is characterized in that, the concentration of described fluorescent whitening agent is 17ppm.
7. fluorescent brightening flat filament production technology according to claim 1, it is characterized in that, described acid bath comprises sulfuric acid, and concentration is 133g/l.
8. fluorescent brightening flat filament production technology according to claim 1, it is characterized in that, described acid bath comprises zinc sulfate, and concentration is 10.8g/l.
9. fluorescent brightening flat filament production technology according to claim 1, it is characterized in that, described acid bath comprises sodium sulphate, and concentration is 232g/l.
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| CN201510704613.8A CN105316780A (en) | 2015-10-27 | 2015-10-27 | Fluorescent whitening flat filament production process |
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| CN201510704613.8A CN105316780A (en) | 2015-10-27 | 2015-10-27 | Fluorescent whitening flat filament production process |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10251945A (en) * | 1997-03-06 | 1998-09-22 | Toray Ind Inc | Knitted fabric of lustrous polyamide fiber, its production and spinneret |
| DE10043297A1 (en) * | 2000-09-02 | 2002-03-21 | Thueringisches Inst Textil | Process for the production of cellulose fibers and cellulose filament yarns |
| CN103628151A (en) * | 2013-12-02 | 2014-03-12 | 宜宾丝丽雅股份有限公司 | Production process for fluorescent brightening flat filaments |
| CN103628160A (en) * | 2013-12-04 | 2014-03-12 | 宜宾丝丽雅集团有限公司 | Spinning process of semicontinuous high-speed spinning machine |
-
2015
- 2015-10-27 CN CN201510704613.8A patent/CN105316780A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10251945A (en) * | 1997-03-06 | 1998-09-22 | Toray Ind Inc | Knitted fabric of lustrous polyamide fiber, its production and spinneret |
| DE10043297A1 (en) * | 2000-09-02 | 2002-03-21 | Thueringisches Inst Textil | Process for the production of cellulose fibers and cellulose filament yarns |
| CN103628151A (en) * | 2013-12-02 | 2014-03-12 | 宜宾丝丽雅股份有限公司 | Production process for fluorescent brightening flat filaments |
| CN103628160A (en) * | 2013-12-04 | 2014-03-12 | 宜宾丝丽雅集团有限公司 | Spinning process of semicontinuous high-speed spinning machine |
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Application publication date: 20160210 |
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