CN101525824A - Slashing on-line pretreatment sizing method - Google Patents
Slashing on-line pretreatment sizing method Download PDFInfo
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- CN101525824A CN101525824A CN200910061438A CN200910061438A CN101525824A CN 101525824 A CN101525824 A CN 101525824A CN 200910061438 A CN200910061438 A CN 200910061438A CN 200910061438 A CN200910061438 A CN 200910061438A CN 101525824 A CN101525824 A CN 101525824A
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Abstract
The invention relates to a pretreatment method for on-line improving the yarn sizing performance in a sizing machine, belonging to the textile processing field. The technical proposal of the method is that chemical pretreatments of chemical solution soakage of the warp yarns, catalytic reaction of the warp yarns, and the drying treatment of the warp yarns are carried out on the warp yarns before entering into a size box by a yarn guide roller. By adopting the technical proposal of the method, full chemical reaction happens between chemical agent and the warp yarn, thus increasing the combining capacity of the sizing agent; meanwhile, after the warp yarns are dried, solid containing rate of serum in the size box is not affected; in addition, the technical proposal has the function of improving the osmotic effect of the serum in the prewetting of the warp yarns.
Description
Technical field
The present invention relates to a kind of online preprocess method that improves yarn sizing performance that uses on Sizing machines, belong to textile processing field.
Background technology
Sizing is an important procedure in the woven industry, although be a preparatory process, but good sizing can reduce the warp end break in the weaving process in a large number, and good destarch operation, what help dyeing carries out smoothly, therefore factory generally be summarized as " starched yarn with regard to solved the problem of weaving 70% ", the importance of sizing preparatory process can be described.From knitting portion's coordinative composition of equipments, a Sizing machines will be supplied 300 left and right sides looms, from the angle of producing, sizing was produced one minute, class of loom running, so the quality of sizing quality realize that to weaving process high yield, high-quality, low consumption have extremely close relation.And the quality of woven grey cloth destarch performance, the effect of also directly influence printing and dyeing, back arrangement.
Current, the warp sizing method that weaving manufacturing enterprise uses has two kinds, and a kind of is traditional starching method that warp thread directly feeds size box sizing, and a kind of is that yarn is carried out entering the prewetting sizing that stock tank carries out starching again after the moistening processing.During the starching of tradition starching method, because slurries are difficult for wetting yarn, yarn is little to the suction-operated of slurry, can influence the starch finishing effect of yarn, and easily causes starching irregular, and the brute force of yarn descends during production, and yarn breakage increases.Prewetting sizing is to feed size box sizing by installing additional before yarn advances stock tank again after tank or steam raising plant add wet process to warp thread, can overcome the directly defective of starching of tradition like this, improve the soak into ability of slurries, help improving the sizing quality of yarn yarn.But, prewetting sizing only is to carry out moistening by the steam or the mode of padding to yarn, do not change the performance of yarn, therefore only can improve the speed that slurry infiltration enters yarn, improve infiltration starching efficient, but be helpless to improve the binding ability of yarn and slurry, so prewetting sizing improving on the rate of sizing helpfully, but do not having basic effect aspect the size film property improving.
To material carry out chemical treatment can improve material performance, give material new function, generally with chemical assistant fabric is carried out the back arrangement to improve the performance of fabric making after the fabric in textile processing field.For example, thereby we carry out the sodium hydroxide alkali decrement treatment to dacron usually and improve its wearability with the hydrophilic ability that improve to improve dacron, adopt clorox that wool fabric is carried out shrinkproof processing improving its fulling milling performance, or the like.In the sizing operation, in order to improve the slurry sizing performance, we generally add auxiliary agents such as some surfactants in the pulp preparation process or the process of sizing mixing, with the permeance property that improves slurry, the binding ability that improves slurry and yarn, but because these auxiliary agents add stock tank with slurry, the process that neither one and yarn fully react, the ability that therefore improves starch finishing effect is also not obvious, so all need adopt prewetting sizing now.
Summary of the invention
At the problems referred to above, the present invention propose a kind of on Sizing machines by in advance yarn being carried out the method that Chemical Pretreatment is carried out starching again, by yarn is carried out Chemical Pretreatment before entering stock tank, change fiber surface structural behaviour in the warp thread, improve surface polarity, with improve warp thread to slurry and binding ability, reach the purpose that improves size film property.Its technical solution is as follows:
Slashing on-line pretreatment sizing method carries out the Chemical Pretreatment of warp thread to enter warp thread before the stock tank through cord roller, and the Chemical Pretreatment process is as follows:
The chemical solution of A warp thread soaks into,
The catalytic reaction of B warp thread,
The dried of C warp thread.
Described warp thread chemistry soaks into and is meant, adopting atomization jetting device is 25 ℃-95 ℃, concentration 5%-30% hydrogen-oxygen sodium solution or hydrogen peroxide with temperature, and perhaps temperature is that 25 ℃-95 ℃, concentration are injected on the warp thread for the 0.5%-5% silane coupler solution.Described warp thread chemistry soaks into and is meant that warp thread is 25 ℃-95 ℃, concentration 5%-30% sodium hydroxide solution or hydrogen peroxide by being contained in temperature in the liquid bath, and perhaps temperature is that 25 ℃-95 ℃, concentration are the 0.5%-5% silane coupler solution.The warp thread of concentration 5%-30% sodium hydroxide solution or hydrogen peroxide effect is pure Polyester Yarns or polyester.Concentration is that the warp thread of 0.5%-5% silane coupler solution effect is a Quality Pure Cotton Yarn Production.
The catalytic reaction of described warp thread is meant and adopts heating or infrared radiation or ultraviolet irradiation or microwave radiation to handle to the warp thread that soaks into through chemical solution.Adopt mode of heating to the heating-up temperature of warp thread catalytic reaction at 80 ℃-120 ℃.
The dried of described warp thread is meant and adopts hot blast or drying cylinder heating or infrared radiation to carrying out dried through the warp thread after the catalytic reaction that the hot blast temperature that adopts heated-air drying is at 80 ℃-120 ℃; The drying cylinder surface temperature of drying cylinder heat drying is at 80 ℃-150 ℃; The moisture content of dry back warp thread is less than 50%.
Owing to adopted above technical scheme, slashing on-line pretreatment sizing method of the present invention, can improve the binding ability of warp thread and slurry, as: sufficient oxidation reaction takes place through sodium hydrate aqueous solution or hydrogen peroxide in the terylene warp thread, fiber surface polarization group has improved the binding ability with slurry; The polar group of the polar group of fiber and silane coupler produces graft reaction in the cotton yarn, and silane coupler can good reaction take place with existing various slurries again, and the serous coat adhesion is improved.Warp thread can not influence the solid content of slurries in the stock tank after super-dry simultaneously.The technical program also has the function that the warp thread prewetting sizing improves the slurry infiltration effect in addition.
Description of drawings
Accompanying drawing 1 common sizing operation schematic diagram
Accompanying drawing 2 a kind of pretreatment sizing method process flow diagrams of the present invention
Accompanying drawing 3 a kind of pretreatment sizing method process flow diagrams of the present invention
Accompanying drawing 4 a kind of pretreatment sizing method process flow diagrams of the present invention
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail, see accompanying drawing.
The sizing procedure technology schematic flow sheet that accompanying drawing 1 is common: after 1 unwinding of the warp thread on the axle, move along arrow points, through deflector roll 4,5,6,7, the guiding of guide tension compensating mechanism 2,3 and cord roller 8 enters stock tank 9, pad slurries, be wound into beam of a loom after the drying again.
The technological process of pretreatment sizing method of the present invention is: move along arrow points after 1 unwinding of the warp thread on the axle, through deflector roll 4,5,6,7, the guiding of guide tension compensating mechanism 2,3 and cord roller 8 enters stock tank 9, pad slurries, be wound into beam of a loom after the drying again.Wherein warp thread enters before the stock tank 9 through after the cord roller 8, by to the Sizing machines transformation, installs certain device additional, and warp thread 1 is carried out the surface chemistry preliminary treatment, and the step of Chemical Pretreatment is: the chemical solution of A warp thread soaks into; The surface-catalyzed reactions of B warp thread; The dried of C warp thread.
When the yarn raw material of warp thread 1 not simultaneously, it is also inequality that it is carried out chemicals that Chemical Pretreatment adopts, as: to pure terylene or polyester, adopt sodium hydrate aqueous solution or hydrogen peroxide, solution concentration is 5%-30%; To Quality Pure Cotton Yarn Production, adopt silane coupler, solution concentration is 0.5%-5%, solution temperature is generally at 25 ℃-95 ℃.
In order to realize this Chemical Pretreatment, need Sizing machines be transformed warp thread 1.
Accompanying drawing 2 is a kind of to realizing process flow diagram of the present invention after the Sizing machines transformation.Among the figure, label 10 is provided in a side of the atomization jetting device that the chemicals solvent can be sprayed to yarn between cord roller 8 and the stock tank 9, these atomization jetting device 10 length are the width of whole warp thread 1, the surface one row have over against the nozzle of warp thread 1, can be injected in warp thread 1 surface from the chemical solution that pipeline is carried; Label 11 is catalysis apparatus for deivations, it can be to produce ultrared infrared emittance that 11 devices are induced in catalysis, or can produce ultraviolet ultraviolet generator, or microwave generator, also can be the spray hot wind device, induce the effect of 11 pairs of yarns by catalysis, sufficient chemical reaction takes place in the chemicals solvent and the warp thread 1 that can promote atomization jetting device 10 to be injected in warp thread 1 surface, thereby make warp thread 1 after entering size box sizing, form good bonding force between serous coat and the yarn; Label 12 is drying units such as spray hot wind, drying cylinder, infrared emittance, and warp thread 1 can keep dry again through the processing of drying unit 12, avoids concentration of slurry in the stock tank is impacted.
Accompanying drawing 3 also is a kind of to realizing process flow diagram of the present invention after the Sizing machines transformation.Among the figure, label 10 is provided in a side of the atomization jetting device that the chemicals solvent can be sprayed to yarn between cord roller 8 and the stock tank 9, these atomization jetting device 10 length are the width of whole warp thread 1, the surface one row have over against the nozzle of warp thread 1, can be injected in warp thread 1 surface from the chemical solution that pipeline is carried; Space and the condition of cost considered, we with deflector roll 7 be transformed into that inside can be heated, surface temperature is at 100 ℃-150 ℃ heated roller, can realize yarn is heated the chemical reaction that promotes chemical agent and yarn by this heated roller 7, also can play simultaneously yarn is carried out bake drying, avoid concentration of slurry in the stock tank is impacted.
Accompanying drawing 4 also is a kind of to realizing process flow diagram of the present invention after the Sizing machines transformation.Among the figure, label 13 is provided in a side of the liquid bath that can hold the chemicals solvent between cord roller 8 and the stock tank 9, guide tension compensating mechanism 3 repacks into and pads in the chemical solution that holds in the liquid bath 13 that roller can guarantee that warp thread 1 immerses fully, when chemical solution temperature in the liquid bath 13 higher (65 ℃-95 ℃), chemical reaction also takes place when soaking into chemical agent in liquid bath 13 in warp thread 1, obtains handling; Label 12 is drying units such as spray hot wind, drying cylinder, infrared emittance, and warp thread 1 can keep dry again through the processing of drying unit 12, avoids concentration of slurry in the stock tank is impacted.
It is that 25 ℃, concentration are 10% NaOH ethanolic solution pretreatment sizing that the pure Polyester Yarns of embodiment 1 adopts temperature
Pure Polyester Yarns 1 is from behind unwinding process cord roller 8 on the axle, atomization jetting device 10 is that 30 ℃, concentration are that 5% NaOH ethanolic solution is injected in warp thread 1 surface with temperature, by ultraviolet generation device 11 inducing catalysis NaOH and terylene warp thread 1 chemical reaction takes place then, PET fiber surface generation-OH polar group in the warp thread 1 of reaction back, again through infrared generator 12 oven dry, warp thread 1 moisture content of drying is about 5%, enter stock tank 9 then, pad slurries, be wound into beam of a loom after the drying again.
It is 65 ℃, 30% hydrogen peroxide preliminary treatment for the hydrogen peroxide temperature that embodiment 2 polyesters adopt concentration
Polyester-cotton blend warp thread 1 is from behind unwinding process cord roller 8 on the axle, immersing the concentration that holds in the liquid bath 13 is in 30% hydrogen peroxide, the hydrogen peroxide temperature is 65 ℃, hydrogen peroxide can be under this temperature with yarn in terylene, cotton fiber generation oxidation reaction, PET fiber surface generation-OH polar group in the warp thread 1 of reaction back, again through hot air generator 12 with the temperature that produces 100 ℃ of spray hot winds on warp thread 1 to its oven dry, warp thread 1 moisture content of drying is about 20%, enter stock tank 9 then, pad slurries, be wound into beam of a loom after the drying again.
It is that 95 ℃, concentration are 5% sodium hydrate aqueous solution pretreatment sizing that the pure Polyester Yarns of embodiment 3 adopt temperature
Pure Polyester Yarns 1 is from behind unwinding process cord roller 8 on the axle, atomization jetting device 10 is that 95 ℃, concentration are that 5% NaOH ethanolic solution is injected in warp thread 1 surface with temperature, by microwave generating apparatus 11 inducing catalysis NaOH and terylene warp thread 1 chemical reaction takes place then, PET fiber surface generation-OH polar group in the warp thread 1 of reaction back, again through infrared generator 12 oven dry, warp thread 1 moisture content of drying is about 5%, enter stock tank 9 then, pad slurries, be wound into beam of a loom after the drying again.
It is that 25 ℃, concentration are 0.5% coupling agent KH530 (β-(3,4-epoxide ring ethyl) ethyl trimethoxy silane) aqueous solution preliminary treatment that embodiment 4 Quality Pure Cotton Yarn Production adopt temperature
Textile warp thread 1 is from behind unwinding process cord roller 8 on the axle, atomization jetting device 10 is that 25 ℃, concentration are 1% coupling agent KH530 (β-(3 with temperature, 4-epoxide ring ethyl) ethyl trimethoxy silane) aqueous solution is injected in warp thread 1 surface, deflector roll 7 by being transformed into drying cylinder then, deflector roll 7 surface temperatures are 120 ℃, warp thread 1 is obtaining bake drying simultaneously with coupling agent KH530 generation chemical reaction, the polar group of reaction back warp thread 1 middle cotton fiber surface and the polar group of coupling agent KH530 form grafting, and strong bonded together; Warp thread 1 moisture content of drying is about 10%, enters stock tank 9 then, pads slurries, is wound into beam of a loom after the drying again.
It is that 65 ℃, concentration are 5% coupling agent A151 (vinyltriethoxysilane) aqueous solution preliminary treatment that embodiment 5 Quality Pure Cotton Yarn Production adopt temperature
Textile warp thread 1 is from behind unwinding process cord roller 8 on the axle, by the concentration that holds in the liquid bath 13 is that temperature is that 65 ℃, concentration are 5% coupling agent A151 (vinyltriethoxysilane) aqueous solution, induce coupling agent A151 and cotton chain 1 that chemical reaction takes place by microwave generating apparatus 11 then, the polar group of reaction back warp thread 1 middle cotton fiber surface and the polar group of coupling agent KH530 form grafting, and strong bonded together; And then the deflector roll 7 by being transformed into drying cylinder, deflector roll 7 surface temperatures are 150 ℃, warp thread 1 moisture content of drying is about 35%, enters stock tank 9 then, pads slurries, is wound into beam of a loom after the drying again.
It is that 95 ℃, concentration are 2% coupling agent A151 (vinyltriethoxysilane) aqueous solution preliminary treatment that embodiment 6 Quality Pure Cotton Yarn Production adopt temperature
Textile warp thread 1 is from behind unwinding process cord roller 8 on the axle, by the concentration that holds in the liquid bath 13 is that temperature is that 95 ℃, concentration are 2% coupling agent A151 (thiazolinyl triethoxysilane) aqueous solution, blow temperature at 100 ℃ of hot blasts by hot air generator 11 then, induce coupling agent A151 and cotton chain 1 that chemical reaction takes place, the polar group of reaction back warp thread 1 middle cotton fiber surface and the polar group of coupling agent KH530 form grafting, and strong bonded together; And then the deflector roll 7 by being transformed into drying cylinder, deflector roll 7 surface temperatures are 150 ℃, warp thread 1 moisture content of drying is about 35%, enters stock tank 9 then, pads slurries, is wound into beam of a loom after the drying again.
Claims (9)
1, slashing on-line pretreatment sizing method, sizing operation are to comprise behind the unwinding the warp on the axle that guiding enters stock tank through cord roller, pad slurries, are wound into beam of a loom after the drying again.This method is characterised in that: carry out the Chemical Pretreatment of warp thread to enter warp thread before the stock tank through cord roller, the Chemical Pretreatment process is as follows:
The chemical solution of A warp thread soaks into,
The catalytic reaction of B warp thread,
The dried of C warp thread.
2, slashing on-line pretreatment sizing method according to claim 1, it is characterized in that: described warp thread chemistry soaks into and is meant, adopting atomization jetting device is 25 ℃-95 ℃, concentration 5%-30% hydrogen-oxygen sodium solution or hydrogen peroxide with temperature, and perhaps temperature is that 25 ℃-95 ℃, concentration are injected on the warp thread for the 0.5%-5% silane coupler solution.
3, slashing on-line pretreatment sizing method according to claim 1, it is characterized in that: described warp thread chemistry soaks into and is meant that warp thread is 25 ℃-95 ℃, concentration 5%-30% sodium hydroxide solution or hydrogen peroxide by being contained in temperature in the liquid bath, and perhaps temperature is that 25 ℃-95 ℃, concentration are the 0.5%-5% silane coupler solution.
4, according to claim 1 or 2 or 3 described slashing on-line pretreatment sizing methods, it is characterized in that: the warp thread of concentration 5%-30% sodium hydroxide solution or hydrogen peroxide effect is pure Polyester Yarns or polyester.
5, according to claim 1 or 2 or 3 described slashing on-line pretreatment sizing methods, it is characterized in that: concentration is that the warp thread of 0.5%-5% silane coupler solution effect is a Quality Pure Cotton Yarn Production.
6, slashing on-line pretreatment sizing method according to claim 1 is characterized in that: the catalytic reaction of described warp thread is meant and adopts heating or infrared radiation or ultraviolet irradiation or microwave radiation to handle to the warp thread that soaks into through chemical solution.
7, slashing on-line pretreatment sizing method according to claim 1, it is characterized in that: the dried of described warp thread is meant and adopts hot blast or drying cylinder heating or infrared radiation to carrying out dried through the warp thread after the catalytic reaction that the moisture content of dry back warp thread is less than 50%.
8, slashing on-line pretreatment sizing method according to claim 6 is characterized in that: adopt mode of heating to the heating-up temperature of warp thread catalytic reaction at 80 ℃-120 ℃.
9, slashing on-line pretreatment sizing method according to claim 7 is characterized in that: described to the dried through the warp thread of catalytic reaction, the hot blast temperature that adopts heated-air drying is at 80 ℃-120 ℃; The drying cylinder surface temperature of drying cylinder heat drying is at 80 ℃-150 ℃; After the drying.
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| DE4237962C2 (en) * | 1992-11-11 | 1994-11-03 | C A Delius & Soehne | Method and device for sizing warp threads |
| JP3164920B2 (en) * | 1992-11-20 | 2001-05-14 | 株式会社山東鉄工所 | Fabric pretreatment method and apparatus |
| DE19914285B4 (en) * | 1999-03-30 | 2004-04-15 | Sucker-Müller-Hacoba GmbH & Co., i.Ins. | Method for sizing a thread sheet and sizing device |
| CN100410444C (en) * | 2006-10-11 | 2008-08-13 | 武汉科技学院 | Pretreating equipment for improving yarn sizing performance |
| CN101424016A (en) * | 2008-11-17 | 2009-05-06 | 青岛喜盈门集团有限公司 | Sizing technology for pre-treatment of beam cotton fiber |
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