CN102936839B - Slashing method - Google Patents
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- CN102936839B CN102936839B CN201210485442.0A CN201210485442A CN102936839B CN 102936839 B CN102936839 B CN 102936839B CN 201210485442 A CN201210485442 A CN 201210485442A CN 102936839 B CN102936839 B CN 102936839B
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Abstract
The invention provides a slashing method. The slashing method comprises the following steps of: dissolving modified starch, phosphate starch, solid crylic acid, a wax sheet, size, a foaming agent and a cleaning agent which are used as raw materials into water, and modulating to obtain slurry; foaming the slurry; and spraying the foam onto the surfaces of yarns, and drying. According to the slashing method, the size is foamed, air is used as a medium and replaces a water medium, and the size foam is transferred to the yarns through spraying, so that the sizing amount of the yarns is reduced, the subsequent desizing difficulty is reduced, and pollution produced by desizing is reduced. An experimental result shows that according to a cloth blank woven by the slashing method, a chemical oxygen demand (COD) value in desizing waste water is 6,000 to 6,500 mg/L, and a biological oxygen demand (BOD) value is 200 to 260 mg/L. Moreover, through the slashing process, the sizing amount is small; consumption of chemical substances and energy is low; and therefore, the production cost is effectively reduced.
Description
Technical field
The present invention relates to the field of weaving, particularly sizing method.
Background technology
Sizing is warp sizing, is the important procedure in weaving process.Sizing can improve ABRASION RESISTANCE and the ultimate strength of warp thread, appropriateness reduces warp thread percentage elongation, reduce yam surface filoplume generation, make filoplume be attached to yam surface, improve yarn fineness, realize the effect of " slurry axle is good, float is few, broken end number is low, weaving efficiency is high ", finally improve the weavability of yarn.
After sizing, slurry infiltrates through between fiber and fibrous inside, and part is attached to warp thread surface; Described slurry can affect the wettability of fabric in fabric finishing process subsequently, and hinders contacting of chemicals and fiber, cause dyeing and finishing to process and be difficult to carry out, so warp thread need to carry out destarch before dyeing and finishing.
Sizing method directly affects the effect of destarch, and then affects next step dyeing and finishing processing.At present, the major way of sizing is " soaking paste and roll slurry ", and its process is: multiple slurry is become to slurries by certain proportional arrangement; Then, utilize Sizing machines to pad slurries with high feeding; Finally by flint dry, complete sizing.This kind of sizing method can meet the quality requirement that follow-up yarn is manufactured, but it has caused great difficulty and burden to destarch.Destarch will be carried out decatize destarch, kiering and the washing of long period by the hot water of the saturated vapor of 100 ℃ under normal pressure and 100 ℃ of left and right, has consumed a large amount of heat energy and fresh water resource.And desized wastewater COD value is up to more than 20000mg/L, seriously polluted.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of sizing method, reduces warp sizing amount, alleviates the difficulty of follow-up destarch, reduces and pollutes.
The invention discloses a kind of sizing method, comprise the following steps:
(A) raw material of following weight portion is dissolved in the water, through modulation, obtains slurries;
23 ~ 27 parts of converted starches;
23 ~ 27 parts of phosphate ester starches;
4.8 ~ 5.2 parts of solid acrylics;
1.9 ~ 2.1 parts of wax disk(-sc)s;
47 ~ 53 parts, slurry;
7.8 ~ 8.2 parts of blowing agents;
4.8 ~ 5.2 parts of detergents;
(B) make, after the described slurries cooling of step (A), through foaming, to process, obtain foam slurry;
(C) foam slurry step (B) Suo Shu is sprayed on yarn, dry.
Preferably, in described step (C), the pressure of described injection is 20 ~ 30kN.
Preferably, in described step (C), described yarn is with the speed process injection apparatus of 55 ~ 65m/min.
Preferably, in described step (C), the temperature of described oven dry is 115 ~ 125 ℃.
Preferably, in described step (A), the temperature of described modulation is 75 ~ 85 ℃, and the time of modulation is 12 ~ 18 minutes.
Preferably, in described step (A), the steam pressure of described modulation is less than 0.1MPa.
Preferably, in described step (A), described slurry viscosity is 8 ~ 9S.
Preferably, in described step (A), described slurry solid content is 10% ~ 18%.
Preferably, in described step (B), the temperature after described slurries cooling is 55 ~ 65 ℃.
Compared with prior art, first the present invention take converted starch, phosphate ester starch, solid acrylic, wax disk(-sc), slurry, blowing agent and detergent as raw material, and modulation soluble in water obtains slurries; Then make slurries cooling, and form foam; Finally foam slurry is sprayed in yam surface, dry.The present invention forms foam by slurry, with air, as medium, replaces aqueous medium, by spraying, slurry foam is transferred on yarn, has therefore reduced the starching amount of yarn, thereby has alleviated the difficulty of follow-up destarch, reduces the pollution that destarch produces.Experimental result shows, adopts the woven grey cloth of sizing method of the present invention, and in its desized wastewater, COD value is 6000 ~ 6500mg/L, and BOD value is 200 ~ 260mg/L.Meanwhile, slashing technique starching amount of the present invention is few, and the consumption of chemical article and the energy is low, therefore effectively reduces production cost.
The specific embodiment
In order further to understand the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these are described is for further illustrating the features and advantages of the present invention, rather than limiting to the claimed invention.
The embodiment of the invention discloses a kind of sizing method, comprise the following steps:
(A) raw material of following weight portion is dissolved in the water, through modulation, obtains slurries;
23 ~ 27 parts of converted starches;
23 ~ 27 parts of phosphate ester starches;
4.8 ~ 5.2 parts of solid acrylics;
1.9 ~ 2.1 parts of wax disk(-sc)s;
47 ~ 53 parts, slurry;
7.8 ~ 8.2 parts of blowing agents;
4.8 ~ 5.2 parts of detergents;
(B) make, after the described slurries cooling of step (A), through foaming, to process, obtain foam slurry;
(C) foam slurry step (B) Suo Shu is sprayed on yarn, dry.
According to the present invention, by converted starch, phosphate ester starch, solid acrylic, wax disk(-sc), slurry, blowing agent and detergent, be first raw material, modulation soluble in water obtains slurries.
Described converted starch is preferably the product that model that Henkel KGaA company produces is HAP-130.The addition of described converted starch is 23 ~ 27 weight portions, is preferably 24 ~ 26 weight portions.
The present invention is not particularly limited the source of described phosphate ester starch and kind, and those skilled in the art can according to circumstances select.The addition of described phosphate ester starch is 23 ~ 27 weight portions, is preferably 24 ~ 26 weight portions.
The present invention is also not particularly limited the source of described solid acrylic, by market, is bought.The addition of described solid acrylic is 4.8 ~ 5.2 weight portions, is preferably 5.0 ~ 5.1 weight portions.
The present invention is not particularly limited the source of described wax disk(-sc), the wax disk(-sc) that the model that is preferably the production of Qingdao Sheng Yi Fine Chemical Co., Ltd is SLMO-2.The addition of described wax disk(-sc) is 1.9 ~ 2.1 weight portions, is preferably 1.99 ~ 2.09 weight portions.
Described slurry is a kind of water-soluble anionic polymer, and the model that is preferably Shanghai Yuhui Chemical Co.Ltd's production is the slurry of NEOVILINE P.After described slurry mixes with converted starch and phosphate ester starch, first can increase slurry film strength, and second can absorb to improve tension force and the suppleness of serous coat by humidifier, and the 3rd can improve bondability.Described slurry has good dissolubility when destarch, and easily destarch has reduced the difficulty of destarch.The addition of described slurry is 47 ~ 53 weight portions, is preferably 50 ~ 52 weight portions.
Described blowing agent is preferably NaLS, and the present invention is not particularly limited the source of described blowing agent, by market, is bought.The addition of described blowing agent is preferably 7.8 ~ 8.2 weight portions, more preferably 7.9 ~ 8.1 weight portions.
The present invention is not particularly limited described detergent, the detergent that the model that is preferably Shanghai Tiantan Accessory Ingredient Co., Ltd's production is JU.The addition of described detergent is 4.8 ~ 5.2 weight portions, is preferably 4.9 ~ 5.1 weight portions.
According to the present invention, converted starch, phosphate ester starch, solid acrylic, wax disk(-sc), slurry, blowing agent and detergent is soluble in water, and modulation obtains slurries.To described raw material, the dissolving in aqueous solvent is sequentially not particularly limited in the present invention, preferably that converted starch, phosphate ester starch, solid acrylic, wax disk(-sc), slurry, blowing agent and detergent is water-soluble respectively, mixes after being prepared into the aqueous solution again.The temperature of described modulation is preferably 75 ~ 85 ℃, more preferably 78 ~ 82 ℃; The time of described modulation is preferably 12 ~ 18 minutes, more preferably 15 ~ 17 minutes.The steam pressure of described modulation is preferably less than 0.1MPa, more preferably 0.05 ~ 0.1MPa.After having modulated, preferably slurries are lowered the temperature, the vexed slurry of process 8 ~ 15 minutes, obtains slurries.The solid content of described slurries is preferably 10% ~ 18%, and more preferably 13% ~ 15%.Described slurry viscosity is preferably 8 ~ 9S, more preferably 8.3 ~ 8.5S.Described slurry pH value is preferably 6 ~ 7.
According to the present invention, obtain after slurries, make, after described slurries cooling, through foaming, to process, obtain foam slurry.Temperature after described slurries cooling is preferably 55 ~ 65 ℃, more preferably 58 ~ 62 ℃.The method that the present invention processes described foaming is not particularly limited, and preferably utilizes foaming machine to foam.The voltage of described foaming machine is preferably 370 ~ 390V, exchanges 3 phase frequencies for being preferably 50/60Hz, and electric current is preferably 14 ~ 16A; Foaming machine air feed air pressure is preferably 0.5Mpa ~ 1.0Mpa, and relative humidity is preferably 50%-80%; Foaming machine pressure of supply water is preferably 0.1 ~ 0.3Mpa.
According to the present invention, obtain after foam slurry, foam slurry is sprayed on yarn, dry.The present invention is not particularly limited the device of described injection.Described yarn preferably passes through injection apparatus with the speed of 55 ~ 65m/min.The pressure of described injection is preferably 20 ~ 30kN, more preferably 24 ~ 28kN.The present invention is not particularly limited described oven dry, and the temperature of described oven dry is preferably 115 ~ 125 ℃, more preferably 120 ~ 122 ℃.Before described oven dry, preferably pass through prebake, the temperature of described prebake is preferably 105 ~ 115 ℃.
The sizing method of the present invention's protection; the feature with " heavily coating, gently infiltration "; slurry just covers surface and the shallow top layer of yarn; the inside that can depth of penetration enter yarn; so both can meet improve yarn ABRASION RESISTANCE and ultimate strength, improve the requirement of yarn fineness; can reduce again usage of sizing agent and destarch energy input, reduce COD value and the BOD value of desized wastewater simultaneously, be beneficial to environmental protection.
The performance of the sizing fabric that sizing method described in this law is obtained detects, and its rate of sizing is 7% ~ 8%, and regain is 6% ~ 7%, and sizing enhancing rate is 15% ~ 17%, and the strong rate of sizing is 288 ~ 289cN, and sizing percentage elongation is 4.4% ~ 4.6%, and subtracting the rate of stretching is 17% ~ 18%.
In order further to understand the present invention, below in conjunction with embodiment, sizing method provided by the invention is described, protection scope of the present invention is not limited by the following examples.
Embodiment 1
Take yarn count as 40s, wash content 40%, cotton content 60%, 133 pieces/inch of warp-wise density, latitudinal density is 62 pieces/inch, grey cloth fabric width is that the plain of 106 inches is that material carries out sizing.
The slurry that the model that 50 kilograms of Shanghai Yuhui Chemical Co.Ltd are produced is NEOVILINEP is placed in 600L stainless steel charging basket and dissolves by appropriate deionized water at room temperature, and apply Steam Heating, under normal pressure, heat, steam pressure≤0.10Mpa is stirred to evenly with mixer simultaneously; As stated above the converted starch HAP-130 of 25 kilograms, the phosphate ester starch of 25 kilograms are carried out to stirring and dissolving, then add in slurry and stir, mashing off temperature is 85 ℃.The solid acrylic of 5 kilograms is dissolved by deionized water at room temperature respectively, by mixer, stir.2 kilograms of wax disk(-sc) SLMO-2 are dissolved fully with 50 ℃ of deionization warm water; 5 kilograms of detergent JU are abundant with deionized water dissolving under room temperature.8 kilograms of blowing agent NaLS are dissolved fully with room temperature deionization room temperature water.Continuing under stirring, to being placed with in the charging basket of slurry, add successively acrylic acid solution, wax disk(-sc) SLMO-2 solution, the detergent JU solution having dissolved, finally slowly add blowing agent NaLS solution, then adding deionized water at room temperature to total stock quality, it is 500 kilograms, final maintenance solution dissolves full and uniform, and without layering, deposited phenomenon, the mashing off time was controlled at about 15 minutes, vexed slurry 10 minutes, obtains slurries.Slurry viscosity is 9S, and slurry solid content is 12.5%, and slurry pH value is 7, prepares sizing and uses.
With field, Japanese Tianjin coltfoal HS-40S Sizing machines, carry out sizing, but do not adopt its slurry tank.Slurry is separately deposited in a stainless steel charging basket, and the Sizing machines speed of a motor vehicle is 60mm/min, and slurry temperature is 60 ℃.
Size barrel is connected with foaming machine by pipeline, by pump, slurries are guided in foaming machine and foamed, then by pipeline, foamed slurry is guided to foam applicator, on grain cross, by jet pipe, equably slurry is sprayed on fabric face to pulp particle: maximum 25 μ m.The voltage of foaming machine: 380V exchanges 3 phase frequencies: 50/60Hz electric current: 15A..Foaming machine air feed air pressure is 0.5Mpa-1.0Mpa, and relative humidity is 60%, and foaming machine pressure of supply water is 0.2Mpa.
Foam slurry starching pressure is 24kN, and textile sizing rate is 7.5%, and regain is 6.2%, and sizing enhancing rate is 15.8%, and after sizing, brute force is 288.7cN, and after sizing, percentage elongation is 4.45%, and subtracting the rate of stretching is 17.6%.
Cloth with slurries is dried, and preliminary drying temperature is 110 ℃, and bake out temperature is 120 ℃.After drying, obtain the plain of starching.
The cloth obtaining is carried out to destarch, and the COD value in destarch working solution and desized wastewater, BOD value and both ratio are as shown in table 1.Table 1 is two kinds of waste water index contrasts after sizing method destarch.
Cloth quality after destarch is tested, and result is referring to table 2.Table 2 is the quality index contrast of the cloth that obtains of two kinds of sizing methods after destarch.
Through measuring and calculating, described sizing method steam consumption is 5.0 tons/myriametre.
Comparative example 1
Take yarn count as 40s, wash content 40%, cotton content 60%, 133 pieces/inch of warp-wise density, latitudinal density is 62 pieces/inch, grey cloth fabric width is that the plain of 106 inches is that material carries out sizing.
The slurry PVA of 25 grams is placed in to 600L stainless steel charging basket and by appropriate deionized water at room temperature, dissolves, and by Steam Heating, under high pressure, heat, steam pressure≤0.15Mpa carries out high-speed stirred to even with mixer simultaneously; As stated above the converted starch HAP-130 of 25 kilograms, the phosphate ester starch of 50 kilograms are carried out to stirring and dissolving, then add in slurry PVA and stir, mashing off temperature is 115 ℃.The solid acrylic of 5 kilograms is dissolved by deionized water at room temperature respectively, by mixer, stir.2 kilograms of wax disk(-sc) SLMO-2 are dissolved fully with deionization warm water (40-50 ℃).Continuing under stirring, to being placed with in the charging basket of slurry PVA, add successively acrylic acid solution, the wax disk(-sc) SLMO-2 solution having dissolved, then adding deionized water at room temperature to total stock quality, it is 500 kilograms, final maintenance solution dissolves full and uniform, without layering, deposited phenomenon, the time of sizing mixing was controlled at about 25 minutes, and vexed slurry 5 minutes, obtains slurries.Slurry viscosity is 9S, and slurry solid content is 11.5%, and slurry pH value is 7, prepares sizing and uses.
With field, Japanese Tianjin coltfoal HS-40S Sizing machines, carry out sizing.The Sizing machines speed of a motor vehicle is 50m/min, and slurry temperature is 95 ℃.
Starching mode is two two rolling of soaking, and padding machine pressure is 18kN, and textile sizing rate is 13%, and regain is 3.8%, and sizing enhancing rate is 19.6%, and after sizing, brute force is 302.5cN, and after sizing, percentage elongation is 4.38%, and subtracting the rate of stretching is 18.9%.
Cloth with slurries is dried, and preliminary drying temperature is 110 ℃, and bake out temperature is 120 ℃.After drying, obtain the plain of starching.
The cloth obtaining is carried out to destarch, and the COD value in destarch working solution and desized wastewater, BOD value and both ratio are as shown in table 1.Table 1 is two kinds of waste water index contrasts after sizing method destarch.
Cloth quality after destarch is tested, and result is referring to table 2.Table 2 is the quality index contrast of the cloth that obtains of two kinds of sizing methods after destarch.
Through measuring and calculating, described sizing method steam consumption is 6.2 tons/myriametre.
Waste water index contrast after two kinds of sizing method destarch of table 1
The quality index contrast of the cloth that two kinds of sizing methods of table 2 obtain after destarch
From upper table 5, desizing grade, capillary effect and the whiteness of the fabric that adopts sizing method obtains described in embodiment 1 fabric and obtain than sizing method described in adopting comparative example improve respectively 0.5 grade, 0.5cm and 3, improve successful.
The explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
The above-mentioned explanation of embodiment, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a sizing method, comprises the following steps:
(A) raw material of following weight portion is dissolved in the water, through modulation, obtains slurries;
Described slurry is a kind of water-soluble anionic polymer;
The temperature of described modulation is 75～85 ℃, and the time of modulation is 12～18 minutes;
The steam pressure of described modulation is less than 0.1MPa;
(B) make, after the described slurries cooling of step (A), through foaming, to process, obtain foam slurry;
(C) foam slurry step (B) Suo Shu is sprayed in yam surface, dry.
2. preparation method according to claim 1, is characterized in that, in described step (C), the pressure of described injection is 20～30kN.
3. preparation method according to claim 1, is characterized in that, in described step (C), described yarn is with the speed process injection apparatus of 55～65m/min.
4. preparation method according to claim 1, is characterized in that, in described step (C), the temperature of described oven dry is 115～125 ℃.
5. preparation method according to claim 1, is characterized in that, in described step (A), described slurry viscosity is 8～9S.
6. preparation method according to claim 1, is characterized in that, in described step (A), described slurry solid content is 10%～18%.
7. preparation method according to claim 1, is characterized in that, in described step (B), the temperature after described slurries cooling is 55～65 ℃.
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| CN201210485442.0A CN102936839B (en) | 2012-11-26 | 2012-11-26 | Slashing method |
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| CN104894724B (en) * | 2015-04-23 | 2017-07-28 | 江苏金太阳纺织科技股份有限公司 | A kind of high counts and high density down-proof fabric and its processing method |
| CN106637964A (en) * | 2015-11-02 | 2017-05-10 | 山东金紫荆生态科技有限公司 | Environmentally friendly flame-retardation explosion-proof polyester cotton fabric slurry |
| CN105908504A (en) * | 2016-05-13 | 2016-08-31 | 武汉纺织大学 | Compound size for denim warp sizing and preparation method and application thereof |
| CN106283629A (en) * | 2016-08-31 | 2017-01-04 | 成路凯尔服装（苏州）有限公司 | The slashing technique of bamboo fiber yarn |
| CN106835418A (en) * | 2017-01-19 | 2017-06-13 | 武汉纺织大学 | Denim yarn and its production method that a kind of ink jet dyeing is carried out continuously with sizing |
| CN109594336A (en) * | 2018-12-06 | 2019-04-09 | 泉州联兴发针织织造有限公司 | A kind of preparation method of extinction heat generating and retention functional fabric |
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Denomination of invention: Slashing method Effective date of registration: 20170810 Granted publication date: 20141105 Pledgee: Hengfeng bank, Limited by Share Ltd, Binzhou branch Pledgor: Yuyue Home Textile Co., Ltd. Registration number: 2017990000734 |
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