CN103334200B - Preparation method of permeable water-and-oil repellent polyester cotton fabric - Google Patents

Preparation method of permeable water-and-oil repellent polyester cotton fabric Download PDF

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CN103334200B
CN103334200B CN201310238431.7A CN201310238431A CN103334200B CN 103334200 B CN103334200 B CN 103334200B CN 201310238431 A CN201310238431 A CN 201310238431A CN 103334200 B CN103334200 B CN 103334200B
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fabric
lotus leaf
water
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preparation
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CN103334200A (en
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叶远丽
于翔鹏
王鸿博
顾继东
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Jiangnan University
Swoto Protection and Technology Co Ltd
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SHENGHUADUN CLOTHING Co Ltd
Jiangnan University
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Abstract

本发明公开了一种透气性拒水拒油涤棉面料的制备方法,该制备方法采用绉组织织造方式将超细棉纤维和涤纶高收缩丝制成仿荷叶织物,所述仿荷叶织物是表面粗糙程度为微米级、且水在其表面的接触角大于90°的仿荷叶织物,再使用亲水性涂层材料对仿荷叶织物进行涂层处理后,使用拒水拒油剂和柔软剂对仿荷叶织物进行整理,再经皂化、干燥加工后制得具有良好透气性的拒水拒油涤棉面料。本方法采用绉组织编织超细纤维,使得面料的表面粗糙程度为微米级,具有较好的拒水性,且采用有机氟试剂整理和树脂涂层处理结合,使得面料具有较强的拒水拒油性、对于含氟试剂的耐洗性和吸湿透气性。The invention discloses a method for preparing air-permeable, water-repellent and oil-repellent polyester-cotton fabric. The preparation method adopts crepe weaving method to make lotus-leaf imitation fabric from superfine cotton fiber and polyester high-shrinkage yarn, and the lotus-leaf imitation fabric It is a lotus leaf imitation fabric whose surface roughness is micron level and the contact angle of water on its surface is greater than 90°. After coating the lotus leaf imitation fabric with a hydrophilic coating material, use a water repellent and oil repellent agent. The lotus leaf imitation fabric is finished with softener, and then saponified and dried to obtain a water- and oil-repellent polyester-cotton fabric with good air permeability. This method uses crepe tissue to weave superfine fibers, so that the surface roughness of the fabric is at the micron level, and has good water repellency, and the combination of organic fluorine reagent finishing and resin coating treatment makes the fabric have strong water and oil repellency , Washability and moisture absorption and air permeability for fluorine-containing reagents.

Description

A kind of preparation method of gas permeability water and oil repellant polyester-cotton blend fabric
Technical field
The present invention relates to a kind of preparation method of garment material, be specifically related to a kind of preparation method of gas permeability water and oil repellant polyester-cotton blend fabric.
Background technology
In recent years, along with country increases gradually for the investment of education and scientific research project, there is increase by a relatively large margin in student, the scientific research personnel's quantity of being engaged in scientific research, the safety problem of experiment, scientific research is also more and more paid close attention to by people, all fails to obtain enough attention as the experiment work clothes of security protection in the long period.
The commercially available experiment work clothes of China at present, mostly do not possess special water and oil repellant performance, there is no good safeguard function for acid, aqueous slkali and Organic Experiment reagent, and the experiment work with good barrier propterty takes mostly, snugness of fit is poor, gas permeability is poor, cause uncomfortable feeling of oppression and heat if wear meeting for a long time to people, and experiment work clothes also there will be the situation that even loses its original barrier propterty that significantly reduces after repeatedly washing.
By the analysis to 20,000 various plants surface structures, Germany scientist has disclosed lotus leaf and has refused the self-cleaning principle of water, and a large amount of bionical researchs are also carried out in succession.At field of textiles, the imitative lotus leaf research of fabric shows, the waterproofing function that fabric will reach similar lotus leaf must meet: (1) surfacing must be refused water, and water must be greater than 90 ° at its surface contact angle; (2) surface must be coarse, and degree of roughness must be even nanometer level of micron level.Therefore adopt crape tissue braiding superfine fibre can realize the coarse of fabric surface in fabrication processes, be conducive to strengthen its WATER REPELLENCY.So, need at present a kind of textile technology of can utilizing to produce imitative lotus leaf fabric to reach the fabric of good waterproof and oilproof permeability.
Summary of the invention
The object of the invention is to overcome the defect existing in prior art, provide a kind of can water and oil repellant and there is the preparation method of the polyester-cotton blend fabric of fine air permeability.
For achieving the above object, technical scheme of the present invention is the preparation method of a kind of gas permeability water and oil repellant polyester-cotton blend fabric of design, described preparation method comprises and adopts crape to organize weaving process that ultra-fine cotton fiber and terylene high-shrinkage filament are made to imitative lotus leaf fabric with polyester-cotton blend fabric, described imitative lotus leaf fabric is that surface roughness is micron order, and the fabric that water is greater than 90 ° at its surperficial contact angle, then imitative lotus leaf fabric is carried out to coating processing, use water-repellent oil-repellent agent, softener and the Organic fluoride dressing liquid being mixed with arrange imitative lotus leaf fabric, again through saponification, after dry processing, make the water and oil repellant polyester-cotton blend fabric with fine air permeability.
In order better to realize the production for fabric, preferred technical scheme is that described preparation method's processing step is:
The first step, preparation raw material: in order to realize the water and oil repellant of fabric, the ultra-fine cotton fiber of raw material choose and terylene high-shrinkage filament;
Second step, raw material weaving: in order to make imitative lotus leaf fabric to realize the water repellency of fabric, make water be greater than 90 ° at fabric surface contact angle, and make surperficial degree of roughness reach even nanometer level of micron level, this method adopts the weaving of crape tissue that described ultra-fine cotton fiber and terylene high-shrinkage filament are woven into imitative lotus leaf fabric;
The 3rd step, imitative lotus leaf fabric are opened fine processing: in order to increase the gas permeability of fabric, imitative second step gained lotus leaf fabric is opened to fine processing;
The 4th step, fabric coatings processing: in order to increase water and oil repellant and the sucting wet air permeability of fabric, use hydrophilic coating material that imitative the 3rd step gained lotus leaf fabric is carried out to coating processing;
The 5th step, preparation Organic fluoride dressing liquid: use machine fluorine dressing liquid to process fabric, can booster water and oil repellant, by water-repellent oil-repellent agent, namely Organic fluoride finishing agent (FG-910), soft (SG) softener of dolantin and running water are hybridly prepared into Organic fluoride dressing liquid to this method;
The 6th step, imitative lotus leaf textile finishing: in order to strengthen the water and oil repellant performance of fabric, and fabric is for the washability of fluorine-containing reagent, when being arranged, fabric avoids fabric hardening, this method is put into imitative gained in the 4th step lotus leaf fabric the Organic fluoride dressing liquid of the 5th step gained by bath raio 1:20 ~ 25, adopt two two modes of rolling of soaking to arrange imitative lotus leaf fabric;
The 7th step, dry and soap: after this method is placed in imitative the 6th step gained lotus leaf fabric to dry under 70 DEG C ~ 80 DEG C conditions, this imitative lotus leaf fabric is placed in to temperature again and is under the condition of 150 DEG C ~ 170 DEG C and bake 2min ~ 4min, the imitative lotus leaf fabric after baking is soaped again; After soaping, the imitative lotus leaf fabric of gained is washed and is dried, and makes the water and oil repellant polyester-cotton blend fabric with gas permeability.
For the degree of roughness that realizes fabric surface with thinner fiber reaches even nanometer level of micron level, further preferred technical scheme is that the fibre diameter of ultra-fine cotton fiber described in the first step is 5 μ m ~ 15 μ m.
In order to make fabric reach good intensity, further preferred technical scheme also has, in second step raw material textile operation, terylene high-shrinkage filament and ultra-fine cotton fiber are knitted and made imitative lotus leaf fabric with the ratio mixing of 7:3, the warp count of described imitative lotus leaf fabric is 260 ~ 300/cm, and weft count is 150 ~ 200/cm.
In order to strengthen the water and oil repellant performance of fabric, further preferred technical scheme also has, and hydrophilic coating material described in the 4th step is hydrophilic resin (PA-1), and consumption is 5% ~ 8% of imitative lotus leaf fabric weight.
In order to realize good fabric finishing effect, can hardening after fabric is arranged, reach good feel, further preferred technical scheme also has, water-repellent oil-repellent agent described in the 5th step in the Organic fluoride dressing liquid namely concentration of Organic fluoride finishing agent (FG-910) is 10 ~ 20g/L, the concentration of dolantin soft (SG) softener is 10 ~ 15g/L, and the pH value of described Organic fluoride dressing liquid is 5 ~ 6.
In order to reach good finishing effect, further preferred technical scheme also has, and described in the 6th step, the condition of imitative lotus leaf textile finishing is 40 DEG C ~ 45 DEG C of temperature, and pick-up rate is 70%.
In order to reach good treatment effect in operation soaping, keep the water and oil repellant performance of fabric, further preferred technical scheme also has, described in the 7th step, soap in operation, the temperature of soaping is 45 ~ 55 DEG C, and the soap concentration of the liquid of soaping is 2g/L, and soda ash concentration is 2g/L.
For the ease of realizing the degree of roughness of fabric surface micrometre-grade, further preferred technical scheme also has, and in second step, in the imitative lotus leaf fabric of gained, the flexing wave height of fiber is 10 μ m ~ 25 μ m.
In order to improve the intensity of fabric, improve the degree of roughness on fabric surface, further preferred technical scheme also has, and in second step raw material textile operation, the warp count of described imitative lotus leaf fabric is 280/cm, and weft count is 170/cm.
Advantage of the present invention and beneficial effect are: this method adopts crape tissue braiding superfine fibre, has realized the micron order degree of roughness on fabric surface, is conducive to strengthen its WATER REPELLENCY.
Wherein to organize weaving be basic stitch or the alternative construction of combining two or more according to certain mode to crape, utilize floating long different be staggered through, weft yarn, make fabric face produce the rough crape effect of graininess, this united organization claims crape tissue.The fabric of knitting system with crape tissue to knit the fabric of system and have similar puckered with picking up by force yarn.Crape tissue can be used for knitting wrinkle processed, flower crape etc.
The same covering weave of the general employing of crape tissue, warp, weft yarn thickness and tightness are close, and warp, floating long being controlled in 3 of latitude, avoid trooping of similar interlacing point, prevents that cloth cover from presenting obvious lines.Various crape tissues are mainly with the better simply basis that is organized as, and then overlapping with rotation these tissues, order of warp threads or the change methods such as rule of gaiting of readjusting are formed.The method that wherein changes the rule of gaiting also claims to economize comprehensive design method, makes significantly regular distribution with the crape interlacing point that this method forms, and therefore fabric can obtain the outward appearance of creasing preferably.Crape tissue: in fabric different length through, latitude flotation line in the wrong extended spread of direction in length and breadth, form fabric face, have and disperse and the not clear fine particle shape outward appearance of rule, fabric is presented crease the fabric construction of outward appearance.
This method adopts Organic fluoride reagent to arrange and resinous coat is processed combination, is conducive to increase the water and oil repellant of fabric and the washability for fluorine-containing reagent, and this method employing hydrophilic resin coating, can promote the sucting wet air permeability of fabric.
Wherein FG-910 is fluorochemical repellent water, oil-refusing finishing agent.Can give synthetic fiber, natural fabric and blended fabric thereof good refuse water, oil repellent energy, and fabrics feel soft after processing.Character: appearance milky white emulsion, ionic weak cation, pH value 3.0-5.0, active ingredient solid content 18%, relative density (25 DEG C) 1.05 kg/liter, dissolubility easily dilutable, is scattered in cold water, and what the natural fabrics such as synthetic fiber, the cottons such as security is not fired, not quick-fried material characteristics 1. can endowing terylene, nylon, wash/cotton and blended fabric thereof were good refuses water, refuses oily effect.2. can use together with other textile treating agent, as antibacterial, fire-retardant, antistatic finish.3. very little for the impact of the fastness to rubbing of DYED FABRICS, washing fastness, for coloured light also almost without impact.
For having a common drawback through the fabric after water and oil repellent finish, be exactly the feel meeting variation of fabric, hardening.In order to address this problem, the fat amide derivant class softener that the present invention adopts, because fatty acyl amide softener is less on the impact of water and oil repellant effect, in the time of low quality concentration, even can improve fabric water repellency to a certain extent; In the time that fat amide derivant class softener is mixed with fluorine-containing water-refusing oil-refusing finishing agent, play soft in, can also strengthen the effect of fabric water-repellent oil-repellent agent.
Detailed description of the invention
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
Embodiment 1
The present invention is a kind of preparation method of gas permeability water and oil repellant polyester-cotton blend fabric, and this preparation method's step is:
The first step, preparation raw material: in order to realize the water and oil repellant of fabric, it is the ultra-fine cotton fiber of 5 μ m that raw material adopts terylene high-shrinkage filament and diameter.
Second step, raw material weaving: in order to make imitative lotus leaf fabric to realize the water repellency of fabric, make water be greater than 90 ° at fabric surface contact angle, and time surface degree of roughness reach even nanometer level of micron level, adopt the weaving of crape tissue that terylene high-shrinkage filament and ultra-fine cotton fiber are knitted and made imitative lotus leaf fabric with the ratio mixing of 7:3, the warp count of imitative lotus leaf fabric is 260/cm, weft count is 150/cm, and in the imitative lotus leaf fabric of gained, the flexing wave height of fiber is 10 μ m.
The 3rd step, imitative lotus leaf fabric are opened fine processing: in order to increase the gas permeability of fabric, imitative second step gained lotus leaf fabric is opened to fine processing.
The 4th step, fabric coatings processing: in order to increase water and oil repellant and the sucting wet air permeability of fabric, using hydrophilic coating material is hydrophilic resin PA-1, consumption is 5% of imitative lotus leaf fabric weight, and imitative the 3rd step gained lotus leaf fabric is carried out to coating processing.
The 5th step, preparation Organic fluoride dressing liquid: use water-repellent oil-repellent agent, softener and the Organic fluoride dressing liquid being mixed with are processed fabric, can booster water and oil repellant, by water-repellent oil-repellent agent, namely Organic fluoride finishing agent FG-910, the soft SG of softener dolantin and running water are hybridly prepared into Organic fluoride dressing liquid to this method; In Organic fluoride dressing liquid, the concentration of Organic fluoride finishing agent FG-910 is 10g/L, and the concentration of the soft SG of softener dolantin is 10g/L, and the pH value of Organic fluoride dressing liquid is 5.
The 6th step, the imitative lotus leaf fabric of arrangement: in order to strengthen the water and oil repellant performance of fabric, and fabric is for the washability of fluorine-containing reagent, when being arranged, fabric avoids fabric hardening, this method is put into imitative gained in the 4th step lotus leaf fabric the Organic fluoride dressing liquid of the 5th step gained by bath raio 1:20, adopt two two modes of rolling of soaking to arrange imitative lotus leaf fabric; The condition arranging is 40 DEG C of temperature, and pick-up rate is 70%.
The 7th step, dry and soap: after this method is placed in imitative the 6th step gained lotus leaf fabric to dry under 70 DEG C of conditions, again this imitative lotus leaf fabric is placed in to temperature and is under the condition of 150 DEG C and bake 2min, imitative lotus leaf fabric after baking is soaped again, washing temperature is 45 DEG C, the soap concentration of liquid of soaping is 2g/L, and soda ash concentration is 2g/L; After soaping, the imitative lotus leaf fabric of gained is washed and is dried, and makes the water and oil repellant polyester-cotton blend fabric with gas permeability.
Embodiment 2
On the basis of embodiment 1, in the present invention, in order to reach better production effect, make fabric obtain better water and oil repellant and permeability, preferably embodiment also has: in the first step, the diameter of ultra-fine cotton fiber is 15 μ m; In second step imitative lotus leaf fabric through close be 300/cm, filling density is 200/cm, in the imitative lotus leaf fabric of gained, the flexing wave height of fiber is 25 μ m; In the 4th step, the consumption of hydrophilic resin PA-1 is 8% of imitative lotus leaf fabric weight; In the 5th step, in Organic fluoride dressing liquid, the concentration of Organic fluoride finishing agent FG-910 is 20g/L, and the concentration of the soft SG of softener dolantin is 15g/L, and the pH value of Organic fluoride dressing liquid is 6; In the 6th step, imitative lotus leaf fabric is put into Organic fluoride dressing liquid by bath raio 1:25, and the condition of arrangement is temperature 45 C; After in the 7th step, imitative the 6th step gained lotus leaf fabric being placed in and drying under 80 DEG C of conditions, then this imitative lotus leaf fabric is placed in to temperature is to bake 4min under the condition of 170 DEG C, and the imitative lotus leaf fabric after baking is soaped again, and the temperature of soaping is 55 DEG C; Other parts are identical with embodiment 1.
Embodiment 3
On the basis of embodiment 2, in the present invention, in order to reach better production effect, make fabric obtain better water and oil repellant and permeability, preferably embodiment also has: in the first step, the diameter of ultra-fine cotton fiber is 8 μ m; In second step imitative lotus leaf fabric through close be 275/cm, filling density is 170/cm, in the imitative lotus leaf fabric of gained, the flexing wave height of fiber is 15 μ m; In the 4th step, the consumption of hydrophilic resin PA-1 is 6% of imitative lotus leaf fabric weight; In the 5th step, in Organic fluoride dressing liquid, the concentration of Organic fluoride finishing agent FG-910 is 14g/L, and the concentration of the soft SG softener of dolantin is 11g/L, and the pH value of Organic fluoride dressing liquid is 5.5; In the 6th step, imitative lotus leaf fabric is put into Organic fluoride dressing liquid by bath raio 1:22, and the condition of arrangement is 42 DEG C of temperature; After in the 7th step, imitative the 6th step gained lotus leaf fabric being placed in and drying under 75 DEG C of conditions, then this imitative lotus leaf fabric is placed in to temperature is to bake 3min under the condition of 1580 DEG C, and the imitative lotus leaf fabric after baking is soaped again, and the temperature of soaping is 48 DEG C; Other parts are identical with embodiment 2.
Embodiment 4
On the basis of embodiment 3, in the present invention, in order to reach better production effect, make fabric obtain better water and oil repellant and permeability, preferably embodiment also has: in the first step, the diameter of ultra-fine cotton fiber is 13 μ m; In second step imitative lotus leaf fabric through close be 285/cm, filling density is 180/cm, in the imitative lotus leaf fabric of gained, the flexing wave height of fiber is 17 μ m; In the 4th step, the consumption of hydrophilic resin PA-1 is 7% of imitative lotus leaf fabric weight; In the 5th step, in Organic fluoride dressing liquid, the concentration of Organic fluoride finishing agent FG-910 is 17g/L, and the concentration of the soft SG of softener dolantin is 13g/L, and Organic fluoride dressing liquid pH value is 5.8; In the 6th step, imitative lotus leaf fabric is put into Organic fluoride dressing liquid by bath raio 1:24, and the condition of arrangement is 44 DEG C of temperature; After in the 7th step, imitative the 6th step gained lotus leaf fabric being placed in and drying under 78 DEG C of conditions, then this imitative lotus leaf fabric is placed in to temperature is to bake 2.5min under the condition of 165 DEG C, and the imitative lotus leaf fabric after baking is soaped again, and the temperature of soaping is 49 DEG C; Other parts are identical with embodiment 3.
Below be only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (7)

1. the preparation method of a gas permeability water and oil repellant polyester-cotton blend fabric, it is characterized in that, described preparation method comprise with polyester-cotton blend fabric adopt crape organize weaving process, ultra-fine cotton fiber and terylene high-shrinkage filament are made to imitative lotus leaf fabric, the surface roughness that described imitative lotus leaf fabric is fiber is micron order, and the fabric that water is greater than 90 ° at its surperficial contact angle, then imitative lotus leaf fabric is carried out to coating processing, use water-repellent oil-repellent agent, the Organic fluoride dressing liquid that softener and water are mixed with arranges imitative lotus leaf fabric, again through saponification, after dry processing, make the water and oil repellant polyester-cotton blend fabric with fine air permeability, described preparation method's processing step is:
The first step, preparation raw material: the ultra-fine cotton fiber of raw material choose and terylene high-shrinkage filament;
Second step, raw material weaving: adopt crape to organize textile technology that described ultra-fine cotton fiber and terylene high-shrinkage filament are woven into imitative lotus leaf fabric;
The 3rd step, imitative lotus leaf fabric are opened fine processing: imitative second step gained lotus leaf fabric is opened to fine processing;
The 4th step, fabric coatings processing: use hydrophilic coating material that imitative the 3rd step gained lotus leaf fabric is carried out to coating processing;
The 5th step, preparation Organic fluoride dressing liquid: water-repellent oil-repellent agent, the soft SG softener of dolantin and running water are hybridly prepared into Organic fluoride dressing liquid;
The 6th step, imitative lotus leaf textile finishing: imitative gained in the 4th step lotus leaf fabric is put into the Organic fluoride dressing liquid of the 5th step gained by bath raio 1:20 ~ 25, adopted two two modes of rolling of soaking to arrange imitative lotus leaf fabric;
The 7th step, dry and soap: after imitative the 6th step gained lotus leaf fabric is placed in and is dried under 70 DEG C ~ 80 DEG C conditions, then this imitative lotus leaf fabric is placed in to temperature is to bake 2min ~ 4min under the condition of 150 DEG C ~ 170 DEG C, and the imitative lotus leaf fabric after baking is soaped again; After soaping, the imitative lotus leaf fabric of gained is washed and is dried, and makes the water and oil repellant polyester-cotton blend fabric with gas permeability; The fibre diameter of ultra-fine cotton fiber described in the first step is 5 μ m ~ 15 μ m; In second step raw material textile operation, terylene high-shrinkage filament and ultra-fine cotton fiber are knitted and made imitative lotus leaf fabric with the ratio mixing of 7:3, the warp count of described imitative lotus leaf fabric is 260 ~ 300/cm, and weft count is 150 ~ 200/cm.
2. the preparation method of gas permeability water and oil repellant polyester-cotton blend fabric as claimed in claim 1, is characterized in that, described in the 4th step, hydrophilic coating material is hydrophilic resin, and consumption is 5% ~ 8% of imitative lotus leaf fabric weight.
3. the preparation method of gas permeability water and oil repellant polyester-cotton blend fabric as claimed in claim 2, it is characterized in that, described in the 5th step, in Organic fluoride dressing liquid, the concentration of water-repellent oil-repellent agent is 10 ~ 20g/L, and the concentration of the soft softener of dolantin is 10 ~ 15g/L, and the pH value of described Organic fluoride dressing liquid is 5 ~ 6.
4. the preparation method of gas permeability water and oil repellant polyester-cotton blend fabric as claimed in claim 3, is characterized in that, described in the 6th step, the condition of imitative lotus leaf textile finishing is that temperature is 40 DEG C ~ 45 DEG C, and pick-up rate is 70%.
5. the preparation method of gas permeability water and oil repellant polyester-cotton blend fabric as claimed in claim 4, is characterized in that, soaps in operation described in the 7th step, and the temperature of soaping is 45 ~ 55 DEG C, and the soap concentration of the liquid of soaping is 2g/L, and soda ash concentration is 2g/L.
6. the preparation method of gas permeability water and oil repellant polyester-cotton blend fabric as claimed in claim 5, is characterized in that, in second step, in the imitative lotus leaf fabric of gained, the flexing wave height of fiber is 10 μ m ~ 25 μ m.
7. the preparation method of gas permeability water and oil repellant polyester-cotton blend fabric as claimed in claim 6, is characterized in that, in second step raw material textile operation, the warp count of described imitative lotus leaf fabric is 280/cm, and weft count is 170/cm.
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