CN104233601B - A kind of super soft knitted fabric and its processing method - Google Patents

A kind of super soft knitted fabric and its processing method Download PDF

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CN104233601B
CN104233601B CN201310236219.7A CN201310236219A CN104233601B CN 104233601 B CN104233601 B CN 104233601B CN 201310236219 A CN201310236219 A CN 201310236219A CN 104233601 B CN104233601 B CN 104233601B
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knitted fabric
resin
treatment
fabric
super soft
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CN104233601A (en
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顾坚
黄乃科
吴裕兵
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Dongli Liquor Yizhi Dyeing (nantong) Co Ltd
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Toray Fibers and Textiles Research Laboratories China Co Ltd
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Abstract

The invention discloses the super soft knitted fabric of one kind and its processing method.In more than 50wt%, the coefficient of kinetic friction for measuring the knitted fabric according to KES FB4 is 0.20~0.25 to the content of cotton fiber in the knitted fabric, is less than 0.30 according to the coefficient of kinetic friction after 0,217 103 standard wash of JIS L 10 times.Processed using specific supple resin by process after dyeing, gained knitted fabric has durable super soft, smooth, plentiful feel, is difficult xanthochromia, and hygroscopicity is excellent, and production method is simple, with low cost, is suitable as underwear fabric.

Description

A kind of super soft knitted fabric and its processing method
Technical field
The invention belongs to textile field, it is related to a kind of super soft knitted fabric and its processing method, and in particular to one kind tool Have durable super soft feel containing cotton fabrics and its processing method.
Background technology
Containing cotton fabrics so that its whole year is comfortable and easy to wear, ventilative moisture absorption, natural environmental-protective the advantages of turn into deep and receive consumers in general The underwear fabric liked.But through scouringing and bleaching, dyeing, stamp processing or functional treatment after, oily wax, the lipid on cotton fiber surface etc. Be removed, cause feel it is coarse, stiff, without smooth feeling;Especially the phase mutual friction in dress, washing process, causes fiber Between hydrogen bond interconnect, be particularly easy to cause the fibrillation of cotton fiber, make fabric feeling become it is thick and stiff, it is fluffy sense decline.Especially It is that cognition of the people to textile touch has been not limited solely to softness, but is meeting with the continuous improvement of living standard On the premise of softness, it is desirable to which fabric has smooth, fine and smooth, fluffy quality.
At present, the feel for improving bafta has following methods:The selection of yarn, mechanical soft finish, bioenzyme washing, chemistry Soft finish etc..
Main the starting with terms of spinning system, twist etc. of the selection of wherein yarn improves the feel of fabric, but this is to fabric The raising of feel has certain limitation.By mechanical relaxation fabric construction, through repeatedly patting, roll compacting is reduced and knitted for mechanical soft finish Obvious, effect is not lasting yet for thing rigidity, the richness and fluffy degree of increase fabric, but its soft effect.Bioenzyme washing is profit With the terminal molecular of biological enzyme hydrolysis cotton fiber, and being acted on by mechanical friction makes fiber surface filoplume come off, smoothened, changes It is apt to feel, but cotton fiber crystallinity and degree of polymerization after cellulase treatment can decline, and the stress between fiber macromolecular weakens, Fabric strength, dimensional stability decline, and this also turns into the bottleneck of its development of restriction;And three of the above method is to fabric slipping Improve almost without effect.
Chemical softening is arranged and is presently the most extensive soft finish method.Wherein silicone softening agent is a class application Extensively, the softening agent that performance is good, effect is protruded.By the difference of modified group, silicone softening agent can be divided into:It is amino modified organic Silicon, epoxy-modified silicone, organic silicon modified by polyether, amino or epoxy/organic silicon modified by polyether and block straight chain ternary are common Poly-organosilicon.The problems such as wherein easily there is xanthochromia, oil mark, stability difference in amino-modified silicone softening agent, it is epoxy-modified to have The flatness of machine silicone softener and organic silicon modified by polyether softening agent and amino or epoxy/organic silicon modified by polyether softening agent is poor, Feel is not plentiful, soft effect is not lasting.The shortcomings of block straight chain ternary polymerization silicone softening agent overcomes xanthochromia, oil mark, And without emulsification, super-soft processing is can be directly used for, assign the feel of fabric sofetening.But the amino in current this kind of softening agent is most It is random at random to be distributed on main chain, insecure, washing fastness is combined with fiber poor;And typically stoste viscosity is relatively low, thousands of To in the range of ten tens of thousands of cps, molecular weight is relatively low, it is impossible to assign fabric plentiful fluffy feel.
A kind of processing method of soft knitting face fabric from cotton is disclosed in patent CN200610154526.0, using bioenzyme washing With reference to the method for various soft resinic treatments, bafta is set to obtain the feel with super soft " liquid cotton ", but as above Mention, bioenzyme washing can cause the decline of fabric strength;On the other hand, various softening agents are used in mixed way and most likely result in body It is that stability declines, layering occurs, is made troubles to processing;Although and its use linearity block copolymerization softening agent hydrophily, Bulkiness, gas permeability and antistatic behaviour are preferable, but pliability, smoothness are general, and washing resistance is poor.Therefore, in choosing It is necessary to consider from many aspects when selecting softening agent.
The content of the invention
It is an object of the invention to provide a kind of with the super soft, knitted fabric of smooth feel and its processing method.And It is good that the knitted fabric is difficult xanthochromia, washing resistance, it is adaptable to produces underwear product.Processing method of the invention is simple and easy to apply, into This cheap, environmental protection.
Technical solution of the invention is:The content of cotton fiber is in 50wt% in the super soft knitted fabric that the present invention is provided More than, the coefficient of kinetic friction for measuring the knitted fabric according to KES FB4 standards is 0.20~0.25, is marked according to JIS L 0,217 103 It is less than 0.30 that standard washs the coefficient of kinetic friction after 10 times.
Coefficient of kinetic friction reflection maintains the size of fiber or power needed for fabric slides, and the coefficient of kinetic friction is smaller, maintains fiber Or power needed for fabric slides is smaller, the softness of fabric, flatness are better.The present invention characterizes fabric using the coefficient of kinetic friction Soft, flatness;The washing resistance of soft effect is characterized with the coefficient of kinetic friction after washing.
The surface for forming knitted fabric single fiber of the invention is coated with organosilicon-polyethers-amino terpolymer block straight chain Macromolecular compound.The compound has the polarity of multifunctional group, and molecular backbone is submissive.Wherein, polyether structure assigns soft The characteristics of agent self-emulsifying, improve the application stability of softening agent;And amino is uniformly distributed on main chain, rather than random random Arrangement, such arrangement makes that the steric hindrance of whole resin macromolecular is especially small, and surface tension is extremely low;And resin is to fiber Internal penetration, further improves the soft and smooth effect of fabric.
Knitted fabric from cotton content in more than 50wt% carries out resin finishing, nonpolar on siloxanes in mechanism Hydrophobic group is aligned in outside away from fiber surface, fabric is had excellent softness, smooth effect;The bond angle of Si-O keys Can change under external force, external force is restored again after eliminating, therefore chain can shrink, and assigns fibrous elasticity.
Cotton fiber is negatively charged in aqueous, interaction can occur with protonated amino and combine.Due to strong between fiber The formation of strong electrostatic interaction and hydrogen bond, makes resin have more preferable directionality, uniform fold in fiber surface, to fiber More firmly, gained fabric has excellent smooth, soft effect, and washing resistance is superior for attachment.
The solid content of the block modified organosilicon flexible resin used by the present invention is that 30~40%, stoste viscosity is 25~35 Ten thousand cps.Solid content in resin is too low, i.e., silicone content is low and if the content of amino is of a relatively high, flexible smooth effect it is poor and Easily there is xanthochromia;If solid content is too high, the self-emulsifying effect of silicone oil is poor, and feel is felt sick of.In general, the viscosity of silicone oil is direct Influence its molecular weight.Viscosity is higher, and molecular weight is bigger;Conversely, then smaller.Stoste viscosity is too low, and molecular weight is smaller, and heating is easily waved Hair, cause the silicone content in system to reduce, film forming it is poor, the feel of fabric is not smooth enough, plentiful bulkiness is also poor.Viscosity Bigger, the molecular weight of resin is bigger, and better in the film forming of fabric face, feel is more soft, plentiful fluffy sense and flatness Better.But as stoste viscosity continues to increase, a series of problem can be also produced, the surface tension of such as softening agent is excessive to cause breast Liquid stabilization declines, and rheological characteristic is deteriorated, is difficult dispersion, to poor permeability of fabric etc..
Also contain one or more in acrylic fibers, viscose glue, spandex in knitted fabric of the present invention.The institutional framework of fabric is sweat Cloth, rib-loop or cotton wool, can assign the variation of fabric, meet different consumer demands.
The present invention provide super soft knitted fabric processing method be by cotton fiber content more than 50wt% knitted fabric Pre-treatment, dyeing post-processing are carried out, product is obtained, wherein resin treatment twice is carried out during dyeing post-processing, during resin treatment Resin used is block modified organic siliconresin that solid content is that 30~40%, stoste viscosity is 25~350,000 cps.
It is preferred that first time resin treatment in bath to process, resin demand is 1~2%owf, and resin demand is excessive to be easily caused cloth Face yellowing, consumption is very few not to reach soft effect, and concrete technology is:Bath raio is 1:10~15, temperature is 40~50 DEG C, treatment 20~40min of time.To pad treatment, resin demand is 5~15g/L to second resin treatment, and an immersing and rolling, temperature is 130 ~160 DEG C, 1~5min of time.The pH value of processing liquid is controlled between 4~5 twice.
Soft, the smooth feeling containing cotton fabrics obtained by above method are effectively improved, the hydroscopicity of fabric Difference is between 4.0~6.0%, and the xanthochromia value of fabric is small.Under 70 DEG C × 90%RH after 240h, and without soft and smooth treatment of the invention Compared containing cotton fabrics, whiteness changing value is between 0~5.
Specific embodiment
Each parameter test method being related in the present invention is as follows.
1. the coefficient of kinetic friction
(1)Choose one piece of the fabric of 20 × 20cm sizes, damping 24 hours in the environment of 20 DEG C × 65RH%;
(2)Using KES FB4 surface characteristic testers, the coefficient of kinetic friction MIU values of test fabric.
2. whiteness changing value after 240 hours
(1)1 part of the sample of A4 sizes is chosen, the SSE-25CI-A type constant temperature and humidity machines of Japanese KATO companies, setting is used 70 DEG C × 90%RH, sample is put into and is wherein balanced 240 hours;
(2)Sample is taken out, using the tester test fabric whiteness value YI of Data Color 650;
(3)Calculate:△YI=YI1-YI2
YI1:Processed goods whiteness value
YI2:Rough whiteness value
△YI:The whiteness changing value of processed goods and rough.
3. hydroscopicity is poor (△ MR)
(1)Take 3 pieces of about 1g test films;
(2)Test film is placed on weighing pole known to quality, is placed in 60 DEG C of air drier and is taken lid and carry out 30 Minute preparation drying;
(3)After preparation is dried, it is being set as in the constant temperature and humidity machine of 20 DEG C × 65%RH(Wind speed about 1m)Damping 24 hours;
(4)After covering the lid of weighing pole, taken out from constant temperature and humidity machine, quality is measured at once(After reading decimal point Four, the value obtained with its quality for removing weighing pole is W1);
(5)Then, it is being set as in the constant temperature and humidity machine of 30 DEG C × 90%RH(Wind speed about 1m)Remove the lid of weighing pole Damping 24 hours;
(6)After covering the lid of weighing pole, taken out from constant temperature and humidity machine, quality is measured at once(After reading decimal point Four, the value obtained with its quality for removing weighing pole is W2);
(7)The lid of weighing pole is taken, is dried 2 hours in 105 ± 2 DEG C of air drier;
(8)After over dry, after the lid of weighing pole is covered at once, it is put into drier and lets cool indoors 30 minutes;
(9)Weighing pole is taken out in drier from after cooling, its quality is surveyed(Read 4 after decimal point, weighing is removed with it The value that the quality of pole is obtained is W3);
(10)Test film before and after the over dry tried to achieve more than, asks 20 DEG C × 65%RH and 30 DEG C × 90%RH's according to following formula Hydroscopicity(%), calculate hydroscopicity poor(△MR), represented with 3 pieces of average value(1 after to decimal point).Computing formula is as follows:
W1:The test film under the conditions of 20 DEG C × 65%RH(Remove weighing pole)Quality(g)
W2:The test film under the conditions of 30 DEG C × 90%RH(Remove weighing pole)Quality(g)
W3:In absolute dry condition test film(Remove weighing pole)Quality(g).
4. water imbibition
According to JIS L 1907 drip method test.
5. wash
Experiment 50 × 50cm of cloth is taken, according to the methods of JIS L 0,217 103(Flower king's washing powder is used)Washing 10 times.
The present invention is further described with reference to embodiment and comparative example:
Softener A is organosilicon-polyethers-amino terpolymer block modified organic silicon softening agent, solid content 35%, stoste The cps of viscosity 300,000;
Softener B is organosilicon-polyethers-amino terpolymer block modified organic silicon softening agent, solid content 30%, stoste The cps of viscosity 350,000;
Softening agent C is organosilicon-polyethers-amino terpolymer block modified organic silicon softening agent, solid content 38%, stoste The cps of viscosity 250,000;
Softening agent D is amino-modified silicone softening agent;
Softening agent E is organosilicon-polyethers-amino terpolymer block modified organic silicon softening agent, solid content 60%, stoste Viscosity 5000cps.
Embodiment 1
40s nitriles/cotton(Nitrile:Cotton=50:50), 40s cottons/viscous yarn(Cotton:Viscous=60:40)With 20D PU yarns, nitrile/ With cotton/viscous yarn all the way every braiding, 20D PU full linings all the way, single jersey tissue, 28G single knitting machines weaving obtains pin to cotton Knit fabric.
The fabric floated → dyeed → soap through open-width → boil → and first time resin treatment → dehydration → drying → second set Fat treatment, sizing → inspection, obtain grammes per square metre for 150g/m2Super soft knitted fabric.Wherein first time resin treatment(Locate in bath Reason):Softener A 1%owf, bath raio 1:12, pH value 5.0,40 DEG C of processing temperature, time 30min.Second resin treatment(Pad Treatment), sizing:Softener A 10g/L(One immersing and rolling, pressure is 0.25GPa), and the 2min that shaped at 150 DEG C.
Each performance of the super soft knitted fabric of gained is shown in Table 1.
Embodiment 2
40s cottons/viscous yarn(Cotton:Viscous=80:20)With 20D PU(Full lining), single jersey tissue, the weaving of 28G single knitting machines, Obtain knitted fabric.
The fabric floated → dyeed → soap through open-width → boil → and first time resin treatment → dehydration → drying → second set Fat treatment, sizing → inspection, obtain grammes per square metre for 135g/m2Super soft knitted fabric.Wherein first time resin treatment(Locate in bath Reason):Softener B 1.5%owf, bath raio 1:12, pH value 4.5,40 DEG C of processing temperature, time 30min.Second resin treatment(Leaching Roll treatment), sizing:Softener A 10g/L(One immersing and rolling, pressure is 0.25GPa), and the 2min that shaped at 150 DEG C.
Each performance of the super soft knitted fabric of gained is shown in Table 1.
Embodiment 3
40s nitriles/viscous yarn(Nitrile:Viscous=60:40)With 40s cottons, rib construction, the weaving of 18G two-sided large circle machines obtains To knitted fabric.
The fabric through boil float → brighten → first time resin treatment → dehydration → open-width → drying → second resin treatment, Sizing → inspection, obtains grammes per square metre for 144g/m2Super soft knitted fabric.Wherein first time resin treatment(Processed in bath):It is soft Agent C 1%owf, bath raio 1:10, pH value 5.0,45 DEG C of processing temperature, time 20min.Second resin treatment(Pad treatment), it is fixed Type:Softener A 15g/L(One immersing and rolling, pressure is 0.25GPa), and the 2min that shaped at 150 DEG C.
Each performance of the super soft knitted fabric of gained is shown in Table 1.
Embodiment 4
40s cottons/viscous yarn(Cotton:Viscous=80:20), rib construction, 18G two-sided large circle machines braiding obtains knitted fabric.
The fabric through boil drift → first time resin treatment → dehydration → open-width → drying → second resin treatment, sizing → Inspection, obtains grammes per square metre for 152g/m2Super soft knitted fabric.Wherein first time resin treatment(Processed in bath):Softener A 1% Owf, bath raio 1:10, pH value 4.0,40 DEG C of processing temperature, time 30min.Second resin treatment(Pad treatment), sizing:It is soft Soft dose of A 10g/L(One immersing and rolling, pressure is 0.25GPa), and the 3min that shaped at 150 DEG C.
Each performance of the super soft knitted fabric of gained is shown in Table 1.
Embodiment 5
40s cottons, cotton wool tissue, the two-sided large circle machine weavings of 24G obtain knitted fabric.
The fabric through boil float → brighten → first time resin treatment → dehydration → open-width → drying → second resin treatment, Sizing → inspection, obtains grammes per square metre for 172g/m2Super soft knitted fabric.First time resin treatment(Processed in bath):Softener A 2%owf, bath raio 1:15, pH value 5.0,50 DEG C of processing temperature, time 20min.Second resin treatment(Pad treatment), sizing: Softener A 5g/L(One immersing and rolling, pressure is 0.25GPa), and the 3min that shaped at 160 DEG C.
Each performance of the super soft knitted fabric of gained is shown in Table 1.
Comparative example 1
40s cottons/viscous yarn(Cotton:Viscous=80:20)With 20D PU(Full lining), single jersey tissue, the weaving of 28G single knitting machines, Obtain knitted fabric.
The fabric floats → brightens → be dehydrated → open-width → drying → resin treatment, sizing → inspection through boiling, and obtaining grammes per square metre is 135g/m2Super soft knitted fabric.Wherein resin treatment:Softening agent D 30g/L(One immersing and rolling, pressure 0.25GPa), and Shape 3min at 150 DEG C.
Each performance of gained knitted fabric is shown in Table 1.
Comparative example 2
40s nitriles/viscous yarn(Nitrile:Viscous=60:40), rib construction, 18G two-sided large circle machines weaving obtains knitted fabric.
The fabric through boil float → brighten → first time resin treatment → dehydration → open-width → drying → second resin treatment, Sizing → inspection, obtains grammes per square metre for 145g/m2Knitted fabric.Wherein first time resin treatment(Processed in bath):Softener A 1% Owf, bath raio 1:10, pH value 4.0,40 DEG C of processing temperature, time 30min.Second resin treatment(Pad treatment), sizing:It is soft Soft dose of A 15g/L(One immersing and rolling, pressure is 0.25GPa), and the 2min that shaped at 150 DEG C.
Each performance of gained knitted fabric is shown in Table 1.
Comparative example 3
40s cottons/viscous yarn(Cotton:Viscous=80:20), rib construction, 18G two-sided large circle machines braiding obtains knitted fabric.
The fabric obtains grammes per square metre for 150g/m through boiling drift → resin treatment → dehydration → open-width → drying → sizing → inspection 2 knitted fabric.Resin treatment:Softening agent E(Solid content 60%, stoste viscosity 5000cps)6%owf, bath raio 1:15, pH value 5.0, 40 DEG C of processing temperature, time 30min.
Each performance of gained knitted fabric is shown in Table 1.
Comparative example 4
40s cottons, cotton wool tissue, the two-sided large circle machine weavings of 24G obtain knitted fabric.
The fabric floats → brightens → resin treatment → dehydration → open-width → drying → sizing → inspection through boiling, and obtaining grammes per square metre is 170g/m2Super soft knitted fabric.Resin treatment:Softener A 15g/L(One immersing and rolling, pressure is 0.25GPa), and 150 Shape 2min at DEG C.
Each performance of gained knitted fabric is shown in Table 1.
Table 1

Claims (5)

1. a kind of super soft knitted fabric, it is characterized in that:The content of cotton fiber is in more than 50wt% in the knitted fabric, according to KES FB4 It is 0.20~0.25 that standard measures the coefficient of kinetic friction of the knitted fabric, according to the pin after 0,217 103 standard wash of JIS L 10 times The coefficient of kinetic friction of fabric is less than 0.30, and the surface for forming the single fiber of the knitted fabric is coated with organosilicon-polyethers-amino three First copolymerized block straight chain polymer compound, and amino is uniformly distributed on main chain;The knitted fabric is obtained by the following method:Will Cotton fiber content is processed before the knitted fabric of more than 50wt% is carried out, dyes post-processing, obtains product, wherein dyeing post-processing Resin treatment twice is carried out in journey, to be processed in bath, second resin treatment is to pad treatment to first time resin treatment, at resin During reason resin used for solid content be the block modified organic siliconresin that 30~40%, stoste viscosity is 25~350,000 cps.
2. super soft knitted fabric according to claim 1, it is characterized in that:Also containing in acrylic fibers, viscose glue, spandex in the knitted fabric One or more.
3. super soft knitted fabric according to claim 1, it is characterized in that:The knitted fabric is organized as single jersey, rib-loop or cotton wool Tissue.
4. the processing method of super soft knitted fabric described in a kind of claim 1, it is characterized in that:By cotton fiber content 50wt% with On knitted fabric carry out pre-treatment, dyeing post-processing, obtain product, wherein dyeing post-processing during carry out at resin twice Reason, during resin treatment resin used for solid content be the block modified organosilicon that 30~40%, stoste viscosity is 25~350,000 cps Resin;The block modified organic siliconresin be organosilicon-polyethers-amino terpolymer block straight chain polymer compound and Amino is uniformly distributed on main chain.
5. the processing method of super soft knitted fabric according to claim 4, it is characterized in that:The resin treatment twice it is specific Condition is:To be processed in bath, resin demand is 1~2%owf to first time resin treatment, and second resin treatment is to pad treatment, Resin demand is 5~15g/L.
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CN109371687B (en) * 2018-10-10 2021-05-25 西安工程大学 High-flexibility waterborne polyurethane finishing agent for textiles and preparation method thereof
CN111118712B (en) * 2019-12-24 2021-08-13 江苏恒力化纤股份有限公司 Imitated silk elastic knitted underwear fabric and preparation method thereof
CN111218820A (en) * 2020-01-13 2020-06-02 广州蓝墨科技有限公司 Preparation method of breathable soft-feel fabric
CN113588705A (en) * 2021-08-05 2021-11-02 肇庆市高要晋益纤维有限公司 Process for accurately judging texture of colored yarn

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