CN108532087B - Woven non-ironing fabric and preparation method thereof - Google Patents
Woven non-ironing fabric and preparation method thereof Download PDFInfo
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- CN108532087B CN108532087B CN201810210642.2A CN201810210642A CN108532087B CN 108532087 B CN108532087 B CN 108532087B CN 201810210642 A CN201810210642 A CN 201810210642A CN 108532087 B CN108532087 B CN 108532087B
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/021—Moisture-responsive characteristics hydrophobic
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Abstract
A woven non-ironing fabric and a preparation method thereof comprise the following steps: carrying out yarn dyeing, warping and sizing procedures on the yarns in sequence, and then carrying out tatting weaving and after-finishing procedures in sequence to obtain tatting fabrics; the yarn comprises warp and weft, and a water repellent finishing agent is added to the warp or weft in the yarn dyeing process treatment so as to perform water repellent finishing simultaneously in the yarn dyeing process; and carrying out non-ironing finishing process treatment on the woven fabric by adopting a non-ironing finishing agent aqueous solution to obtain the woven non-ironing fabric. The preparation method can ensure the flatness of the fabric by adsorbing enough water solution of the non-ironing finishing agent through the yarns without water-repellent effect so as to meet the appearance requirement, and simultaneously improve the strength of the fabric by adsorbing less water solution of the non-ironing finishing agent through the yarns with water-repellent effect so as to meet the requirement of tearing strength. The prepared woven non-ironing fabric can meet the requirements of appearance and tearing strength at the same time.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a woven non-ironing fabric and a preparation method thereof.
Background
The general principle of non-ironing finishing in the textile industry is that resin and fiber are subjected to crosslinking reaction under the action of a catalyst and under a certain temperature condition, and the finishing can improve the performances of shrinkage prevention, crease prevention and the like of fabrics. The fabric treated by the non-ironing finishing often reflects the non-ironing effect through the crosslinking degree of the fabric. The flatness and tearing strength of the fabric can reflect the crosslinking degree of the non-ironing finishing of the fabric, namely the non-ironing effect. In actual production, the more crosslinking reaction between resin and fiber is normally carried out in a certain range, the better the appearance of the fabric is, and the higher the flatness is mainly shown; however, the stronger the fabric will be damaged the greater. For woven non-ironing fabrics, the yarn quality needs to consider the cloth cover appearance of the fabric in addition to the tearing strength of the fabric. With a consequent increase in the cost and quality risk of the yarn. Therefore, based on the current textile industry technology, the woven non-ironing fabric is often subjected to the condition that the strength is lower than the standard or the surface appearance is lower than the customer standard.
Disclosure of Invention
Based on the above, there is a need for a woven non-ironing fabric which can satisfy both appearance and tear strength requirements, and a method for preparing the same.
A preparation method of a woven non-ironing fabric comprises the following steps:
carrying out yarn dyeing, warping and sizing procedures on the yarns in sequence, and then carrying out tatting weaving and after-finishing procedures in sequence to obtain tatting fabrics; the woven fabric comprises warp yarns and weft yarns, wherein a water repellent finishing agent is added into the warp yarns or the weft yarns in the yarn dyeing process so as to perform water repellent finishing simultaneously during yarn dyeing;
and carrying out non-ironing finishing process treatment on the woven fabric by adopting a non-ironing finishing agent aqueous solution to obtain the woven non-ironing fabric.
According to the preparation method of the woven non-ironing fabric, the water repellent finishing agent is added for water repellent finishing when warp yarns or weft yarns of the woven fabric are dyed, so that the yarns have a water repellent effect; while the other yarn does not have a water repellent effect. The ability of the yarn with the water-repellent effect to adsorb the water solution of the non-ironing finishing agent is reduced in the non-ironing finishing process, and the ability of the yarn without the water-repellent effect to adsorb the water solution of the non-ironing finishing agent is not affected. Compared with the traditional preparation method without adding the water repellent finishing agent, the preparation method provided by the invention can ensure the flatness of the fabric by adsorbing enough water solution of the non-ironing finishing agent by the yarns without the water repellent effect so as to meet the appearance requirement, and can improve the strength of the fabric by adsorbing less water solution of the non-ironing finishing agent by the yarns with the water repellent effect so as to meet the requirement of tearing strength. The prepared woven non-ironing fabric can meet the requirements of appearance and tearing strength at the same time.
In one embodiment, the adsorption amount of the non-ironing finishing agent of the warp yarns and the weft yarns which are not subjected to water repellent finishing is kept unchanged before and after the water repellent finishing agent is added, and the adsorption amount of the non-ironing finishing agent of the other water repellent finishing yarns after the water repellent finishing agent is added is reduced.
In one embodiment, the adsorption amounts of the easy-care finishing agent of the yarns without water repellent finishing agent before and after the water repellent finishing agent is added are C.X1And C'. X1'; and C ═ C, X1’＝X1；
The adsorption capacity of the easy-care finishing agent of the water repellent finished yarn before and after the water repellent finishing agent is added is C.X2And C'. X2'; and X2’<X2；
Wherein the content of the first and second substances,
C. c' is the mass percentage concentration of the water solution of the non-ironing finishing agent before and after the water repellent finishing agent is added, and the unit is;
X1、X1' the liquid carrying rate of the yarn without water repellent finish before and after adding the water repellent finish respectively is expressed in unit;
X2、X2' is the liquid pick-up in% of the water-repellent finished yarn before and after addition of the water-repellent finish, respectively.
In one embodiment, the adsorption amount of the non-ironing finishing agent of the water-repellent finished yarns in the warp yarns and the weft yarns before and after the water-repellent finishing agent is added is kept unchanged, and the adsorption amount of the non-ironing finishing agent of the other yarns without water-repellent finishing agent after the water-repellent finishing agent is added is increased.
In one embodiment, the adsorption amounts of the easy-care finishing agent of the yarns without water repellent finishing agent before and after the water repellent finishing agent is added are C.X1And C'. X1'; and C' > C, X1’＝X1；
The adsorption capacity of the easy-care finishing agent of the water repellent finished yarn before and after the water repellent finishing agent is added is C.X2And C'. X2'; and X2’<X2，C’·X2’＝C·X2；
Wherein the content of the first and second substances,
C. c' is the mass percentage concentration of the water solution of the non-ironing finishing agent before and after the water repellent finishing agent is added, and the unit is;
X1、X1' the liquid carrying rate of the yarn without water repellent finish before and after adding the water repellent finish respectively is expressed in unit;
X2、X2respectively being a water repellentThe liquid carrying rate of the treated yarn before and after the water repellent finishing agent is added is expressed in percentage.
In one embodiment, the non-ironing finish in the aqueous solution of the non-ironing finish consists essentially of dimethylol urea.
In one embodiment, the non-ironing finishing process is performed by non-ironing woven ready-made clothes, dry cross-linking non-ironing woven fabric or wet cross-linking non-ironing woven fabric.
In one embodiment, the yarn dyeing comprises the steps of pretreatment, dyeing and over-soft finishing which are sequentially carried out; the water repellent finishing agent is added to the finishing agent after the softening finishing step.
In one embodiment, the water-repellent finishing agent is a fluorine-containing water-repellent finishing agent, and the mass volume ratio of the water-repellent finishing agent to the over-soft finishing agent is (0.1 g-30 g): 1L.
The woven non-ironing fabric prepared by the preparation method of any one of the woven non-ironing fabrics.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will now be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The method for preparing the woven non-ironing fabric according to the embodiment of the invention comprises the following steps S1-S2.
Step S1: carrying out yarn dyeing, warping and sizing procedures on the yarns in sequence, and then carrying out tatting weaving and after-finishing procedures in sequence to obtain tatting fabrics; the woven fabric comprises warp yarns and weft yarns, wherein a water repellent finishing agent is added to the warp yarns or the weft yarns in the process of carrying out a yarn dyeing process so as to carry out water repellent finishing simultaneously during yarn dyeing.
In one embodiment, dyeing the yarn comprises the steps of pretreatment, dyeing and over-softening finishing which are sequentially carried out. And the water repellent finishing agent is added to the finishing agent after the softening finishing step.
Further, the water repellent finishing agent is a fluorine-containing water repellent finishing agent. The mass volume ratio of the water-repellent finishing agent to the finishing agent after soft finishing is (0.1 g-30 g) to 1L. Specifically, the trade name is
N1811liq. which is a fluorochemical based on a six carbon alkyl group. In one embodiment, the finishing agent for over-soft finishing is water. Preferably, the mass volume ratio of the water-repellent finishing agent to the finishing agent after soft finishing is (5 g-15 g): 1L.
It is understood that the water-repellent finish is not limited to the fluorine-containing water-repellent finish.
Further, the temperature of the over-softening finishing is 55 ℃ and the time is 15 min.
Specifically, after the step of dyeing and before the step of over-soft finishing, a fixation step is further included. Especially for the darker colors of the dyeings, an additional fixing step is required.
Step S2: and (3) carrying out non-ironing finishing process treatment on the woven fabric by adopting a non-ironing finishing agent aqueous solution to obtain the woven non-ironing fabric.
Further, the non-ironing finishing agent in the non-ironing finishing agent aqueous solution mainly comprises dimethylol dihydroxyethylene urea. Specifically, the mass percentage concentration of the non-ironing finishing agent aqueous solution can be adjusted according to actual needs. In one embodiment, the mass volume ratio of the dimethylol dihydroxyethylene urea to water in the aqueous solution of the easy-care finishing agent is (250 g-300 g): 1L.
In one embodiment, the non-ironing finishing process is performed by non-ironing woven ready-made clothes, dry cross-linking non-ironing woven fabric or wet cross-linking non-ironing woven fabric.
Further, the woven garment easy-care comprises the steps of garment manufacturing, easy-care finishing agent water solution feeding, pre-drying, pressing and washing sequentially. Specifically, the pre-drying condition is drying at 100 ℃ for 1 min. And (4) open-width drying by using a baking machine. The pressing step is to press and scald the moisture in the moisture box before moisture regaining. Specifically, the time of moisture regain is 10min, the temperature of pressing is 150 ℃, and the time is 20 s.
Further, the dry crosslinking non-ironing of the woven fabric comprises the steps of feeding, drying, baking and washing with an aqueous solution of a non-ironing finishing agent in sequence.
Further, the woven fabric moisture crosslinking non-ironing comprises the steps of feeding the non-ironing finishing agent aqueous solution, drying, stacking and washing sequentially.
And further, feeding the water solution of the non-ironing finishing agent in a padding mode. Specifically, the steel is passed through a padder in a two-dip two-roll manner. In particular, the pressure of the padder is 2.5 bar. Specifically, the speed of the padder is 60 m/min.
According to the preparation method of the woven non-ironing fabric, the water repellent finishing agent is added for water repellent finishing when warp yarns or weft yarns of the woven fabric are dyed, so that the yarns have a water repellent effect; while the other yarn does not have a water repellent effect. According to the invention, researches show that the ability of the yarn with the water-repellent effect to adsorb the water solution of the non-ironing finishing agent is reduced in the non-ironing finishing process, and the ability of the yarn without the water-repellent effect to adsorb the water solution of the non-ironing finishing agent is not influenced. Compared with the traditional preparation method of the non-ironing fabric without the water repellent finishing agent, the preparation method provided by the invention can ensure the flatness of the fabric by adsorbing enough non-ironing finishing agent aqueous solution through the yarns without the water repellent effect so as to meet the appearance requirement, and can improve the strength of the fabric by adsorbing less non-ironing finishing agent aqueous solution through the yarns with the water repellent effect so as to meet the requirement of tearing strength. The prepared woven non-ironing fabric can meet the requirements of appearance and tearing strength at the same time.
Compared with the traditional preparation process of the non-ironing fabric, the preparation method of the woven non-ironing fabric can carry out corresponding process adjustment according to the characteristics of the specific performance requirements of the fabric, so as to obtain the woven non-ironing fabric which simultaneously meets the requirements of appearance and tearing strength.
As described above, since the ability of the yarn having the water-repellent effect to adsorb the permanent press finishing agent aqueous solution is reduced at the time of the permanent press finishing process, the ability of the yarn having no water-repellent effect to adsorb the permanent press finishing agent aqueous solution is not affected. Therefore, even if the conditions such as the pressure and the speed of the rolling of the whole fabric are the same when the non-ironing finishing agent aqueous solution is fed, the actual liquid carrying rates of the warp yarns and the weft yarns are different due to the difference in the adsorption capacity of the non-ironing finishing agent aqueous solution. The wet pick-up of the yarn can be measured using the same conditions for controlling the fabric made from the same yarn.
Therefore, if the tearing strength of the fabric is improved under the condition of keeping the appearance basically unchanged, the water repellent finishing agent is added to the warp or weft in the yarn dyeing process for water repellent finishing only by keeping the mass concentration of the water solution of the easy-care finishing agent before and after the water repellent finishing agent is added, so that the adsorption capacity of the easy-care finishing agent before and after the water repellent finishing agent is added to the warp or weft can be kept unchanged, and the adsorption capacity of the easy-care finishing agent after the water repellent finishing agent is added to the other water repellent finished yarn is reduced. The water repellent finishing agent can be added in the yarn dyeing process of warp or weft.
For example, a water repellent finishing agent is added to weft yarns in the yarn dyeing process for water repellent finishing, and conditions such as mass percentage concentration of an aqueous solution of a non-ironing finishing agent are kept unchanged, so that the adsorption quantity of the non-ironing finishing agent is not influenced when warp yarns are subjected to non-ironing finishing, and the integral appearance of the fabric is ensured; and the weft has the water repellent effect, so that the adsorption amount of the non-ironing finishing agent of the weft in the non-ironing finishing process is reduced under the condition that other conditions are not changed, and the tearing strength of the fabric is improved.
Further, at this time, the non-iron finish adsorption amounts of the yarn without water-repellent finish before and after the water-repellent finish addition were C.X, respectively1And C'. X1'; and C ═ C, X1’＝X1；
The adsorption capacity of the easy-care finishing agent of the water repellent finished yarn before and after the water repellent finishing agent is added is C.X2And C'. X2'; and X2’<X2；
Wherein the content of the first and second substances,
C. c' is the mass percentage concentration of the water solution of the non-ironing finishing agent before and after the water repellent finishing agent is added, and the unit is;
X1、X1' the liquid carrying rate of the yarn without water repellent finish before and after adding the water repellent finish respectively is expressed in unit;
X2、X2' is the liquid pick-up in% of the water-repellent finished yarn before and after addition of the water-repellent finish, respectively.
Since C ═ C and X1’＝X1Thus C'. X1’＝C·X1. Since C ═ C and X2’<X2Thus C'. X2’<C·X2。
The adsorption capacity of the non-ironing finishing agent refers to the mass of the non-ironing finishing agent adsorbed by the yarn with unit mass.
In one embodiment, the appearance of the non-ironing fabric is improved under the condition that the strength of the non-ironing fabric is required to be kept basically unchanged, and the appearance mainly shows the flatness performance; the water repellent finishing agent is added to warp or weft yarns in the yarn dyeing process for water repellent finishing, and the mass percentage concentration of the water solution of the non-ironing finishing agent is properly increased, so that the adsorption capacity of the non-ironing finishing agent before and after the water repellent finishing agent is added to the water repellent finished yarns is unchanged, and the adsorption capacity of the non-ironing finishing agent after the water repellent finishing agent is added to the other non-water repellent finished yarns is increased.
For example, a water repellent finishing agent is added to weft yarns in the yarn dyeing process for water repellent finishing, the mass percentage concentration of the water solution for removing the non-ironing finishing agent is higher than that of the water solution for removing the non-ironing finishing agent when the water repellent finishing agent is not added, other conditions are kept unchanged, and the mass percentage concentration of the water solution for the non-ironing finishing agent is changed to ensure that the actual adsorption capacity of the non-ironing finishing agent of the weft yarns is basically kept unchanged, so that the strength of the non-ironing fabric is basically kept unchanged. Meanwhile, the mass percentage concentration of the non-ironing finishing agent aqueous solution is improved, so that the actual adsorption capacity of the non-ironing finishing agent of the warp is improved, and the appearance performance of the non-ironing fabric is improved.
Further, at this time, the non-iron finish adsorption amounts of the yarn without water-repellent finish before and after the water-repellent finish addition were C.X, respectively1And C'. X1'; and C' > C, X1’＝X1；
The adsorption capacity of the easy-care finishing agent of the water repellent finished yarn before and after the water repellent finishing agent is added is C.X2And C'. X2'; and X2’<X2，C’·X2’＝C·X2；
Wherein the content of the first and second substances,
C. c' is the mass percentage concentration of the water solution of the non-ironing finishing agent before and after the water repellent finishing agent is added, and the unit is;
X1、X1' the liquid carrying rate of the yarn without water repellent finish before and after adding the water repellent finish respectively is expressed in unit;
X2、X2' is the liquid pick-up in% of the water-repellent finished yarn before and after addition of the water-repellent finish, respectively.
Since C' > C and X1’＝X1Thus C'. X1’＞C·X1. Since C' > C and X2’<X2Thus, the concentration can be adjusted to make C' X2’＝C·X2。
The invention also provides the woven non-ironing fabric of the embodiment, which is prepared by adopting the preparation method of the woven non-ironing fabric. The woven non-ironing fabric can meet the requirements of appearance and tearing strength at the same time.
The following are specific examples.
Comparative example 1
And (3) processing the yarns according to the processes of dyeing, warping, sizing, tatting weaving and after-finishing to obtain the tatted fabric. The woven fabric is plain white cloth with warp and weft density of 120X 80 and yarn count of 40S X80S/2. The yarn dyeing method comprises the steps of pretreatment, dyeing and over-softening finishing which are sequentially carried out, wherein the finishing agent for the over-softening finishing is water. The soft finishing condition is that the treatment is carried out for 15min at 55 ℃.
Soaking the woven fabric in an aqueous solution of an easy-care finishing agent with the mass volume ratio of dimethylol dihydroxyethylene urea to water of 250g/1L, and passing through a padder with the pressure of 2.5bar in a two-soaking and two-rolling mode at the speed of 60 m/min. Drying in open width at 100 deg.C for 1 min. And (3) putting the baked woven fabric into a moisture regain box for moisture regain for 10min, taking out and pressing, wherein the pressing condition is that the pressing is carried out for 20s at the temperature of 150 ℃. Finally, taking down the pressed woven fabric for washing for 10min at the temperature of 40 ℃; and (5) preparing the woven non-ironing fabric.
Example 1
Example 1 differs from comparative example 1 in that a water repellent finish was added to the over-soft finish in the weft yarn dyeing step, and the warp yarn was not changed. Wherein the mass volume ratio of the water repellent finishing agent to the finishing agent subjected to soft finishing is 10g to 1L. Specifically, the trade name is
N1811liq. which is a fluorochemical based on a six carbon alkyl group.
Example 2
Example 2 differs from example 1 in that, in addition to the addition of the water repellent finish to the finish that has been subjected to soft finishing in the step of dyeing the weft yarns, the mass-to-volume ratio of dimethylol dihydroxyethylene urea to water in the aqueous solution of the permanent press finish is adjusted to 270g:1L so that the amount of the permanent press finish adsorbed to the weft yarns before and after the addition of the water repellent finish is substantially unchanged, i.e., substantially the same as the amount of the permanent press finish adsorbed in comparative example 1, the amount of the permanent press finish adsorbed to the corresponding warp yarns should be increased, which is also related to the concentration of the permanent press finish, but the warp-direction density is higher than that of the weft yarns under normal conditions, and the increase in the concentration of the aqueous solution of the permanent press finish has less influence on the warp-direction tearing strength.
Examples 3 to 4
Examples 3 to 4 are different from example 1 in that the mass volume ratio of the water-repellent finish to the finish subjected to soft finishing was adjusted to 0.1g:1L and 30g:1L, respectively.
The physical indexes of the fabrics of the woven non-ironing fabrics prepared in the comparative example 1 and the examples 1 to 4 were tested by a physical testing mechanism, and the results are shown in table 1. Wherein the grading standard for the flatness of the appearance was tested according to AATCC 143.
TABLE 1
| Categories | Comparative example 1 | Example 1 | Example 2 | Example 3 | Example 4 |
| Flatness of | Grade 3 | Grade 3 | Grade 3.5 | Grade 3 | Grade 3 or below |
| Strength of warp tearing | 2.1 pounds | 2.1 pounds | 2.0 pounds | 2.1 pounds | 2.1 pounds |
| Strength of tearing in weft direction | 1.4 pounds | 1.9 pounds | 1.5 pounds | 1.6 pounds | 2.5 pounds |
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The preparation method of the woven non-ironing fabric is characterized by comprising the following steps of:
carrying out yarn dyeing, warping and sizing procedures on the yarns in sequence, and then carrying out tatting weaving and after-finishing procedures in sequence to obtain tatting fabrics; the woven fabric comprises warp yarns and weft yarns, wherein a water repellent finishing agent is added into the warp yarns or the weft yarns in the yarn dyeing process so as to perform water repellent finishing simultaneously during yarn dyeing;
carrying out non-ironing finishing process treatment on the woven fabric by adopting a non-ironing finishing agent aqueous solution to obtain a woven non-ironing fabric;
specifically, the adsorption amount of the non-iron finishing agent before and after the water repellent finishing agent is added to the yarns without water repellent finishing in the warp yarns and the weft yarns is kept unchanged, and the adsorption amount of the non-iron finishing agent after the water repellent finishing agent is added to the other water repellent finishing yarns is reduced;
the adsorption capacity of the easy-care finishing agent of the yarn without water repellent finishing before and after the water repellent finishing agent is added is C.X1And C'. X1'; and C ═ C, X1’＝X1；
The adsorption capacity of the easy-care finishing agent of the water repellent finished yarn before and after the water repellent finishing agent is added is C.X2And C'. X2'; and C ═ C, X2’<X2；
Wherein the content of the first and second substances,
C. c' is the mass percentage concentration of the non-ironing finishing agent aqueous solution before and after the water repellent finishing agent is added, and the unit is;
X1、X1' the liquid carrying rate of the yarn without water repellent finish before and after adding the water repellent finish respectively is expressed in unit;
X2、X2' the liquid carrying rate of the water-repellent finished yarn before and after the water-repellent finishing agent is added is respectively, and the unit is;
or, specifically, keeping the adsorption amount of the easy-care finishing agent before and after the water-repellent finishing agent is added to the water-repellent finished yarns in the warp yarns and the weft yarns unchanged, and increasing the adsorption amount of the easy-care finishing agent after the water-repellent finishing agent is added to the other yarns which are not subjected to water-repellent finishing;
the adsorption capacity of the easy-care finishing agent of the yarn without water repellent finishing before and after the water repellent finishing agent is added is C.X1And C'. X1'; and C' > C, X1’＝X1；
The adsorption capacity of the easy-care finishing agent of the water repellent finished yarn before and after the water repellent finishing agent is added is C.X2And C'. X2'; and X2’<X2，C’·X2’＝C·X2；
Wherein the content of the first and second substances,
C. c' is the mass percentage concentration of the water solution of the non-ironing finishing agent before and after the water repellent finishing agent is added, and the unit is;
X1、X1' the liquid carrying rate of the yarn without water repellent finish before and after adding the water repellent finish respectively is expressed in unit;
X2、X2' the liquid carrying rate of the water-repellent finished yarn before and after the water-repellent finishing agent is added is respectively, and the unit is;
the yarn dyeing comprises the steps of pretreatment, dyeing and over-soft finishing which are sequentially carried out; the water-repellent finishing agent is added into the finishing agent after the softening finishing step, the water-repellent finishing agent is a fluorine-containing water-repellent finishing agent, and the mass volume ratio of the water-repellent finishing agent to the finishing agent after the softening finishing step is (5 g-15 g): 1L.
2. The method of preparing a woven easy-care fabric according to claim 1, wherein the easy-care finish in the aqueous easy-care finish solution consists essentially of dimethylol dihydroxyethylene urea.
3. The method for preparing the woven non-ironing fabric according to claim 2, wherein the mass volume ratio of the dimethylol urea to water in the non-ironing finishing agent aqueous solution is (250 g-300 g): 1L.
4. The method of preparing a woven easy-care fabric according to claim 1, wherein the aqueous solution of the easy-care finishing agent is fed by padding.
5. The method for preparing the woven non-ironing fabric according to any one of claims 1 to 4, wherein the non-ironing finishing process is performed in a mode of woven garment non-ironing, woven fabric dry crosslinking non-ironing or woven fabric damp crosslinking non-ironing.
6. The method of weaving a non-ironing fabric as claimed in any one of claims 1 to 4The preparation method is characterized in that the water repellent finishing agent is named as
N1811liq.
7. The method of preparing a woven easy-care fabric according to claim 6, wherein the over-soft finish is water.
8. The method of preparing a woven non-ironing fabric according to claim 7, wherein the mass volume ratio of the water repellent finish to the over-soft finished finish is 10g: 1L.
9. The method of claim 8, wherein the temperature of the over-softening finishing is 55 ℃ for 15 min.
10. The woven easy-care fabric prepared by the preparation method of the woven easy-care fabric according to any one of claims 1 to 9.
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