CN104611936A - Pretreatment process of linen fabric - Google Patents
Pretreatment process of linen fabric Download PDFInfo
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- CN104611936A CN104611936A CN201510068673.5A CN201510068673A CN104611936A CN 104611936 A CN104611936 A CN 104611936A CN 201510068673 A CN201510068673 A CN 201510068673A CN 104611936 A CN104611936 A CN 104611936A
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Abstract
The invention discloses a pretreatment process of a linen fabric. The pretreatment process comprises the steps of checking bad products, sewing in an overturning manner, singeing, carrying out low-temperature plasma treatment, desizing, refining by scouring enzyme, carrying out acid washing, carrying out chlorine bleaching, carrying out oxygen bleaching, carrying out deoxidized enzyme washing, washing and drying. After the pretreatment process is adopted, the use amount of a chemical reagent is reduced, little pollution is caused, energy is saved, the emission is reduced, the difficulty of wastewater pollution control is reduced, the production efficiency is improved, the treated linen fabric is soft in hand feeling, the brightness of the linen fabric is improved, and the fabric quality is improved.
Description
Technical field
The invention belongs to and relate to field of textiles, be specifically related to a kind of pre-treatment process of sodolin.
Background technology
China is one of country that numb resource is the abundantest in the world, along with the mankind are to the enhancing day by day of improving constantly of requiring of properties of textile and the environment meaning, hemp product will become the leading role of following " green product " with the natural function of uniqueness and biodegradable.Because linen fibre has moisture absorption, the function such as ventilative, antibacterial, product style has stylishness, so the cognition degree of people to flax product improves gradually, the development space of flax product will be very wide, but current flax product also far can not meet the demand of some consumers.
Pre-treatment process is the significant process during sodolin is produced, important effect is played to the outward appearance of sodolin and processing, traditional sodolin destarch, kiering are all carried out with highly basic high temperature, also sodium hypochlorite bleaching will be used, although this method can make fabric obtain good capillary effect and whiteness, can effectively remove numb skin during bleaching.But this alkali destarch, scouring process need to consume a large amount of chemical reagent, energy, water and the needs longer time, and chlorine bleach can produce chlorine to environment, is not used by promotion at present.In addition, the enhancing realized environmental protection and economize energy along with the mankind, seeks a kind of pre-treatment process of alternative high temperature alkaline solution of green, has great society, economic worth.
Utilize plasma technology to carry out processing and can cause the physical and chemical changes of material surface, embody effective, only act on superficial layer, the features such as harmful effect do not had to material body performance, be thus more and more subject to the favor of people.The application of plasma technique in weaving starts from the fifties in last century, and China's plasma process textiles from the eighties in last century is studied.In printing and dyeing industry, plasma technique can be used for the numerous areas such as the starching of fabric, the coming unstuck of destarch and fiber crops, the calendering of fabric, the hydrophilic treatment of synthetic fiber, and plasma technique has great importance in the application of textile industry.
Summary of the invention
Technical problem to be solved by this invention is, for the shortcoming that above prior art exists, a kind of pre-treatment process of sodolin is proposed, this pre-treatment process reduces chemical levels, pollutes little energy-saving and emission-reduction, reduces the difficulty that contaminated wastewater is administered, enhance productivity, sodolin feel after process is soft, increases the vividness of sodolin, improves fabric class.
The technical scheme that the present invention solves above technical problem is:
A pre-treatment process for sodolin, technological process is: bad examine → turn over stitch → singe → Low Temperature Plasma Treating → destarch → scouring enzyme is concise → pickling → chlorine drift → oxygen bleaching → except oxygenase wash → wash → dry, wherein:
(1) singe
Before singing, first fabric is removed assorted knot, the fine hair of fabric face by hair brushing box, select the positive two anti-modes of LMC003 tetra-burner gassing frame two to singe to sodolin, the speed of a motor vehicle of four burner gassing frames controls at 100-110m/min;
(2) Low Temperature Plasma Treating
By the sodolin after process of singing through the process of argon gas low-temperature plasma;
(3) destarch
Destarch adopts amylase destarch;
Technological process is: fabric → pad hot water (75-80 DEG C) → pad enzyme liquid → insulation is banked up (30-40 DEG C, the time of banking up is 3-4h) → hot water wash → cold wash → oven dry;
(4) scouring enzyme is concise
Technological process is: the sodolin after destarch → pad scouring enzyme → insulation is banked up → hot water wash;
Wherein, scouring enzyme is compound scouring enzyme, and compound scouring enzyme is 4-6g/l, and chelated dispersants is 4-6g/l, and temperature is 25-35 DEG C, and the time of banking up is 18-20h, and pick-up is 110%;
(5) pickling
Adopt twice pickling, first time adopts sulfuric acid washing, and condition is: sulfuric acid 2-3g/l, and temperature is 24-27 DEG C, and the time of banking up is 10-15min; Second time pickling adopts oxalic acid washing, and condition is: oxalic acid 4-6g/l, and temperature is 24-27 DEG C, and the time of banking up is 10-15min;
(6) chlorine drift
Adopt available chlorine content to be the chlorine of 3-4g/l, be 25-27 DEG C in temperature, bleaching time is 30-40min, PH is bleach under 5-7;
(7) oxygen bleaching
Technological process is: decatize → hot water wash → cold wash → squezzing is padded → banked up to open width dries;
Wherein, the technology preparation of oxygen bleaching is: hydrogen peroxide 4-6g/l, stabilizing agent 4-5g/l, caustic soda 1-3g/l; Steaming time 25-35min during decatize of banking up, steam temperature is 100-105 DEG C;
(8) except oxygenase is washed
Technological process is: oxygen bleaching → wash → pad is except oxygenase → bank up → wash → dry, and be wherein 5-7 except oxygenase is 1-2g/l, PH, temperature is 35-45 DEG C, and the time is 15-25min.
The technical scheme that the present invention limits further is:
In the pre-treatment process of aforementioned sodolin, in step (1), be provided with carborundum fillet in hair brushing box, carborundum fillet is 60-80 object coarse sand band.
In the pre-treatment process of aforementioned sodolin, in step (2), low-temperature plasma process conditions are: processing power is 180-240W, processing time is 5-10min, and pressure is 25-35Pa, present invention employs low temperature plasma and processes sodolin, chemical levels can be reduced, shorten the processing time, enhance productivity, reach effects of energy saving and emission reduction further.
In the pre-treatment process of aforementioned sodolin, in step (3), the process conditions of padding enzyme liquid are: BF7658 amylase 1.5-3.5g/l, PH is 6-7, rolling enzyme temperature is 50-60 DEG C, penetrating agent JFC 1-2g/l, NaCl5-7g/l, JFC is added when padding enzyme liquid, JFC has the good characteristic of alkaline-resisting, resistance to hydrogen peroxide, resistance to hard water, moistening, infiltration, emulsification, dispersion, the effect such as decontamination and solubilising is played in padding, contribute to enzyme to permeate to fibrous inside, effectively remove impurity contained on fiber.
In the pre-treatment process of aforementioned sodolin, in step (7), stabilizing agent is polyacrylic-maleic acid anhydride magnesium salts, and its preparation method is as follows:
Maleic anhydride and water is added in the four-hole boiling flask that electric mixer, thermometer and reflux condensate device are housed, start to stir, heat temperature raising, treat that maleic anhydride all dissolves, start the mixed solution dripping acrylic monomers, water and potassium peroxydisulfate initator, be obtained by reacting colourless or light yellow viscous liquid, then add magnesium sulfate continuation stirring reaction 1h, obtain polyacrylic-maleic acid anhydride magnesium salts;
The stabilizing agent silicate phase ratio used in stabilizing agent polyacrylic-maleic acid anhydride magnesium salts and traditional handicraft that the present invention uses, decomposing hydrogen dioxide solution rate is lower, effectively can suppress the decomposition of hydrogen peroxide, and using silicate used as stabilizers easily to produce silicon dirt, polyacrylic-maleic acid anhydride magnesium salts can replace silicate thoroughly to eradicate the drawback of silicon dirt as stabilizing agent.
The invention has the beneficial effects as follows:
The fabric desizing rate of the amylase desizing that the present invention adopts, capillary effect, wettability, whiteness etc. are very little at the result difference of index and traditional caustic soda destarch, because caustic soda destarch effect is fierce, very large damage is had to fabric, fabric strength is caused to decline more, feel is coarse, reduce fabric class, and enzyme desizing due to have employed action temperature and, there is the biodiastase of high specificity, while rapid amylolytic enzymes, do not have an effect with fabric, therefore the intensity of fabric almost free of losses compared with grey cloth after destarch, fabric feeling is soft, improve fabric class.
Scouring enzyme is used for sodolin pre-treatment and mainly contains following characteristics: less to the weightlessness of fiber, only for polysaccharide impurity such as part pectin, lignin, there is removal effect, cellulose is not damaged, strength loss is less, effectively can keep the style of sodolin, prevent linen fibre " cotton fibrillation ", economize energy, reduce the difficulty that contaminated wastewater is administered.
Use after sodolin oxygen bleaching except oxygenase can save the washing process time in the present invention, reduce the mechanical friction of sodolin, reduce strength loss, keep the style of sodolin.
Adopt twice method for bleaching of a chlorine drift, an oxygen bleaching in the present invention, the impurity on sodolin can be removed further, improve cloth cover whiteness, increase bright degree.
Detailed description of the invention
embodiment 1
The present embodiment provides a kind of pre-treatment process of sodolin, it is characterized in that, technological process is: bad examine → turn over stitch → singe → Low Temperature Plasma Treating → destarch → scouring enzyme is concise → pickling → chlorine drift → oxygen bleaching → except oxygenase wash → wash → dry, wherein:
(1) singe
Before singing, first fabric is removed assorted knot, the fine hair of fabric face by hair brushing box, be provided with carborundum fillet in hair brushing box, carborundum fillet is 60 object coarse sand bands, select the positive two anti-modes of four burner gassing frames two to singe to sodolin, the speed of a motor vehicle of four burner gassing frames controls at 100m/min;
(2) Low Temperature Plasma Treating
By the sodolin after process of singing through the process of argon gas low-temperature plasma, low-temperature plasma process conditions are: processing power is 240W, and the processing time is 10min, and pressure is 25Pa;
(3) destarch
Destarch adopts amylase destarch;
Technological process is: fabric → pad hot water (77 DEG C) → pad enzyme liquid → insulation is banked up (40 DEG C, the time of banking up is 4h) → hot water wash → cold wash → oven dry;
The process conditions of padding enzyme liquid are: BF7658 amylase 3.5g/l, and PH is 6, and rolling enzyme temperature is 60 DEG C, penetrating agent JFC 2g/l, NaCl6g/l;
(4) scouring enzyme is concise
Technological process is: the sodolin after destarch → pad scouring enzyme → insulation is banked up → hot water wash;
Wherein, scouring enzyme is compound scouring enzyme, and compound scouring enzyme is 4g/l, and chelated dispersants is 5g/l, and temperature is 28 DEG C, and the time of banking up is 18h, and pick-up is 110%;
(5) pickling
Adopt twice pickling, first time adopts sulfuric acid washing, and condition is: sulfuric acid 2g/l, and temperature is 24 DEG C, and the time of banking up is 15min; Second time pickling adopts oxalic acid washing, and condition is: oxalic acid 5g/l, and temperature is 25 DEG C, and the time of banking up is 12min;
(6) chlorine drift
Adopt available chlorine content to be the chlorine of 3g/l, be 26 DEG C in temperature, bleaching time is 30min, PH is bleach for 5 times;
(7) oxygen bleaching
Technological process is: decatize → hot water wash → cold wash → squezzing is padded → banked up to open width dries;
Wherein, the technology preparation of oxygen bleaching is: hydrogen peroxide 6g/l, stabilizing agent 4g/l, caustic soda 3g/l; Steaming time 28min during decatize of banking up, steam temperature is 102 DEG C;
Stabilizing agent is polyacrylic-maleic acid anhydride magnesium salts, and its preparation method is as follows:
Maleic anhydride and water is added in the four-hole boiling flask that electric mixer, thermometer and reflux condensate device are housed, start to stir, heat temperature raising, treat that maleic anhydride all dissolves, start the mixed solution dripping acrylic monomers, water and potassium peroxydisulfate initator, be obtained by reacting colourless or light yellow viscous liquid, then add magnesium sulfate continuation stirring reaction 1h, obtain polyacrylic-maleic acid anhydride magnesium salts;
(8) except oxygenase is washed
Technological process is: oxygen bleaching → wash → pad is except oxygenase → bank up → wash → dry, and be wherein 7 except oxygenase is 2g/l, PH, temperature is 38 DEG C, and the time is 25min.
embodiment 2
The present embodiment provides a kind of pre-treatment process of sodolin, it is characterized in that, technological process is: bad examine → turn over stitch → singe → Low Temperature Plasma Treating → destarch → scouring enzyme is concise → pickling → chlorine drift → oxygen bleaching → except oxygenase wash → wash → dry, wherein:
(1) singe
Before singing, first fabric is removed assorted knot, the fine hair of fabric face by hair brushing box, be provided with carborundum fillet in hair brushing box, carborundum fillet is 80 object coarse sand bands, select the positive two anti-modes of four burner gassing frames two to singe to sodolin, the speed of a motor vehicle of four burner gassing frames controls at 105m/min;
(2) Low Temperature Plasma Treating
By the sodolin after process of singing through the process of argon gas low-temperature plasma, low-temperature plasma process conditions are: processing power is 180W, and the processing time is 8min, and pressure is 35Pa;
(3) destarch
Destarch adopts amylase destarch;
Technological process is: fabric → pad hot water (80 DEG C) → pad enzyme liquid → insulation is banked up (30 DEG C, the time of banking up is 3h) → hot water wash → cold wash → oven dry;
The process conditions of padding enzyme liquid are: BF7658 amylase 1.5g/l, and PH is 7, and rolling enzyme temperature is 50 DEG C, penetrating agent JFC 2g/l, NaCl7g/l;
(4) scouring enzyme is concise
Technological process is: the sodolin after destarch → pad scouring enzyme → insulation is banked up → hot water wash;
Wherein, scouring enzyme is compound scouring enzyme, and compound scouring enzyme is 6g/l, and chelated dispersants is 4g/l, and temperature is 25 DEG C, and the time of banking up is 20h, and pick-up is 110%;
(5) pickling
Adopt twice pickling, first time adopts sulfuric acid washing, and condition is: sulfuric acid 3g/l, and temperature is 27 DEG C, and the time of banking up is 10min; Second time pickling adopts oxalic acid washing, and condition is: oxalic acid 6g/l, and temperature is 27 DEG C, and the time of banking up is 15min;
(6) chlorine drift
Adopt available chlorine content to be the chlorine of 3g/l, be 27 DEG C in temperature, bleaching time is 40min, PH is bleach for 7 times;
(7) oxygen bleaching
Technological process is: decatize → hot water wash → cold wash → squezzing is padded → banked up to open width dries;
Wherein, the technology preparation of oxygen bleaching is: hydrogen peroxide 4g/l, stabilizing agent 5g/l, caustic soda 1g/l; Steaming time 25min during decatize of banking up, steam temperature is 105 DEG C;
Stabilizing agent is polyacrylic-maleic acid anhydride magnesium salts, and its preparation method is as follows:
Maleic anhydride and water is added in the four-hole boiling flask that electric mixer, thermometer and reflux condensate device are housed, start to stir, heat temperature raising, treat that maleic anhydride all dissolves, start the mixed solution dripping acrylic monomers, water and potassium peroxydisulfate initator, be obtained by reacting colourless or light yellow viscous liquid, then add magnesium sulfate continuation stirring reaction 1h, obtain polyacrylic-maleic acid anhydride magnesium salts;
(8) except oxygenase is washed
Technological process is: oxygen bleaching → wash → pad is except oxygenase → bank up → wash → dry, and be wherein 5 except oxygenase is 1g/l, PH, temperature is 35 DEG C, and the time is 20min.
embodiment 3
The present embodiment provides a kind of pre-treatment process of sodolin, it is characterized in that, technological process is: bad examine → turn over stitch → singe → Low Temperature Plasma Treating → destarch → scouring enzyme is concise → pickling → chlorine drift → oxygen bleaching → except oxygenase wash → wash → dry, wherein:
(1) singe
Before singing, first fabric is removed assorted knot, the fine hair of fabric face by hair brushing box, be provided with carborundum fillet in hair brushing box, carborundum fillet is 70 object coarse sand bands, select the positive two anti-modes of four burner gassing frames two to singe to sodolin, the speed of a motor vehicle of four burner gassing frames controls at 110m/min;
(2) Low Temperature Plasma Treating
By the sodolin after process of singing through the process of argon gas low-temperature plasma, low-temperature plasma process conditions are: processing power is 200W, and the processing time is 5min, and pressure is 30Pa;
(3) destarch
Destarch adopts amylase destarch;
Technological process is: fabric → pad hot water (75 DEG C) → pad enzyme liquid → insulation is banked up (35 DEG C, the time of banking up is 4h) → hot water wash → cold wash → oven dry;
The process conditions of padding enzyme liquid are: BF7658 amylase 2 g/l, and PH is 6, and rolling enzyme temperature is 55 DEG C, penetrating agent JFC 1g/l, NaCl5g/l;
(4) scouring enzyme is concise
Technological process is: the sodolin after destarch → pad scouring enzyme → insulation is banked up → hot water wash;
Wherein, scouring enzyme is compound scouring enzyme, and compound scouring enzyme is 5g/l, and chelated dispersants is 6g/l, and temperature is 30 DEG C, and the time of banking up is 19h, and pick-up is 110%;
(5) pickling
Adopt twice pickling, first time adopts sulfuric acid washing, and condition is: sulfuric acid 2g/l, and temperature is 25 DEG C, and the time of banking up is 12min; Second time pickling adopts oxalic acid washing, and condition is: oxalic acid 4g/l, and temperature is 24 DEG C, and the time of banking up is 10min;
(6) chlorine drift
Adopt available chlorine content to be the chlorine of 4g/l, be 25 DEG C in temperature, bleaching time is 35min, PH is bleach for 6 times;
(7) oxygen bleaching
Technological process is: decatize → hot water wash → cold wash → squezzing is padded → banked up to open width dries;
Wherein, the technology preparation of oxygen bleaching is: hydrogen peroxide 5g/l, stabilizing agent 4g/l, caustic soda 2g/l; Steaming time 30min during decatize of banking up, steam temperature is 100 DEG C;
Stabilizing agent is polyacrylic-maleic acid anhydride magnesium salts, and its preparation method is as follows:
Maleic anhydride and water is added in the four-hole boiling flask that electric mixer, thermometer and reflux condensate device are housed, start to stir, heat temperature raising, treat that maleic anhydride all dissolves, start the mixed solution dripping acrylic monomers, water and potassium peroxydisulfate initator, be obtained by reacting colourless or light yellow viscous liquid, then add magnesium sulfate continuation stirring reaction 1h, obtain polyacrylic-maleic acid anhydride magnesium salts;
(8) except oxygenase is washed
Technological process is: oxygen bleaching → wash → pad is except oxygenase → bank up → wash → dry, and be wherein 6 except oxygenase is 2g/l, PH, temperature is 45 DEG C, and the time is 15min.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (5)
1. a pre-treatment process for sodolin, is characterized in that, described technological process is: bad examine → turn over stitch → singe → Low Temperature Plasma Treating → destarch → scouring enzyme is concise → pickling → chlorine drift → oxygen bleaching → except oxygenase wash → wash → dry, wherein:
(1) singe
Before singing, first fabric is removed assorted knot, the fine hair of fabric face by hair brushing box, select the positive two anti-modes of four burner gassing frames two to singe to sodolin, the speed of a motor vehicle of four burner gassing frames controls at 100-110m/min;
(2) Low Temperature Plasma Treating
By the sodolin after process of singing through the process of argon gas low-temperature plasma;
(3) destarch
Destarch adopts amylase destarch;
Technological process is: fabric → pad hot water (75-80 DEG C) → pad enzyme liquid → insulation is banked up (30-40 DEG C, the time of banking up is 3-4h) → hot water wash → cold wash → oven dry;
(4) scouring enzyme is concise
Technological process is: the sodolin after destarch → pad scouring enzyme → insulation is banked up → hot water wash;
Wherein, described scouring enzyme is compound scouring enzyme, and compound scouring enzyme is 4-6g/l, and chelated dispersants is 4-6g/l, and temperature is 25-35 DEG C, and the time of banking up is 18-20h, and pick-up is 110%;
(5) pickling
Adopt twice pickling, first time adopts sulfuric acid washing, and condition is: sulfuric acid 2-3g/l, and temperature is 24-27 DEG C, and the time of banking up is 10-15min; Second time pickling adopts oxalic acid washing, and condition is: oxalic acid 4-6g/l, and temperature is 24-27 DEG C, and the time of banking up is 10-15min;
(6) chlorine drift
Adopt available chlorine content to be the chlorine of 3-4g/l, be 25-27 DEG C in temperature, bleaching time is 30-40min, PH is bleach under 5-7;
(7) oxygen bleaching
Technological process is: decatize → hot water wash → cold wash → squezzing is padded → banked up to open width dries;
Wherein, the technology preparation of oxygen bleaching is: hydrogen peroxide 4-6g/l, stabilizing agent 4-5g/l, caustic soda 1-3g/l; Steaming time 25-35min during decatize of banking up, steam temperature is 100-105 DEG C;
(8) except oxygenase is washed
Technological process is: oxygen bleaching → wash → pad is except oxygenase → bank up → wash → dry, and be wherein 5-7 except oxygenase is 1-2g/l, PH, temperature is 35-45 DEG C, and the time is 15-25min.
2. the pre-treatment process of sodolin according to claim 1, is characterized in that: in step (1), be provided with carborundum fillet in described hair brushing box, and described carborundum fillet is 60-80 object coarse sand band.
3. the pre-treatment process of sodolin according to claim 1, is characterized in that: in step (2), and described low-temperature plasma process conditions are: processing power is 180-240W, and the processing time is 5-10min, and pressure is 25-35Pa.
4. the pre-treatment process of sodolin according to claim 1, it is characterized in that: in step (3), the described process conditions of padding enzyme liquid are: BF7658 amylase 1.5-3.5g/l, PH are 6-7, rolling enzyme temperature is 50-60 DEG C, penetrating agent JFC 1-2g/l, NaCl5-7g/l.
5. the pre-treatment process of sodolin according to claim 1, is characterized in that: in step (7), and described stabilizing agent is polyacrylic-maleic acid anhydride magnesium salts, and its preparation method is as follows:
Maleic anhydride and water is added in the four-hole boiling flask that electric mixer, thermometer and reflux condensate device are housed, start to stir, heat temperature raising, treat that maleic anhydride all dissolves, start the mixed solution dripping acrylic monomers, water and potassium peroxydisulfate initator, be obtained by reacting colourless or light yellow viscous liquid, then add magnesium sulfate continuation stirring reaction 1h, obtain polyacrylic-maleic acid anhydride magnesium salts.
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| CN109736071A (en) * | 2019-01-29 | 2019-05-10 | 吉祥三宝高科纺织有限公司 | A kind of cloth cover low temperature cold-pad batch pretreatment |
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Application publication date: 20150513 |