CN114411424A - Machine-washable cashmere fabric and anti-felting method and processing method thereof - Google Patents
Machine-washable cashmere fabric and anti-felting method and processing method thereof Download PDFInfo
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- CN114411424A CN114411424A CN202210091662.9A CN202210091662A CN114411424A CN 114411424 A CN114411424 A CN 114411424A CN 202210091662 A CN202210091662 A CN 202210091662A CN 114411424 A CN114411424 A CN 114411424A
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
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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
- D06M2200/45—Shrinking resistance, anti-felting properties
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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
- D06M2200/50—Modified hand or grip properties; Softening compositions
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Abstract
The invention discloses a machine-washable cashmere fabric and an anti-felting method and a processing method thereof, belonging to the technical field of cashmere processing. The anti-felting method comprises the following steps: mixing the fulling treated cashmere fabric with a dye liquor according to a bath ratio of 1: 9-30; the dye liquor contains 50-150g/L shrink-proof agent; the raw materials of the shrink-proof agent comprise 10-20% of organic silicone resin, 5-20% of modifier and the balance of water. By mixing the dye liquor with the cashmere fabric subjected to fulling treatment, slight etching can be formed on the surface of the fabric, so that the surface of the fabric is more firmly combined with the high polymer resin, the stable size of the fabric is ensured to be maintained in the machine washing process, and the felting phenomenon is avoided or reduced. The method can perform crosslinking at a lower temperature, is simple and convenient to apply, does not need baking treatment in the process, and the processed cashmere product has soft and smooth hand feeling and small influence on the color of the fabric.
Description
Technical Field
The invention relates to the technical field of cashmere processing, in particular to a machine-washable cashmere fabric and an anti-felting method and a processing method thereof.
Background
The traditional cashmere products have many advantages, are high-grade products popular with people, but have unstable size and felting phenomenon when being washed. For years, cashmere products always get rid of the problem of careless hand washing, great inconvenience is brought to consumers, especially along with the improvement of living standard of people, the acceleration of living rhythm, the requirement of easy care of clothes, the common application of household washing machines, and machine-washable functional products are greatly concerned and welcomed by consumers. At present, the post-finishing of cashmere products can be applied to the industry by machine washing, and the main processes are carried out by referring to a wool finishing process.
From the prior art, the traditional wool shrink proofing generally has the following modes: subtraction unshrinking and addition unshrinking. The subtraction shrink-proof effect is best, but the damage to the fiber is larger. The addition shrink-proofing has great influence on hand feeling, and meanwhile, the required crosslinking temperature is high, and the production is troublesome; in addition, the method can also cause the defects of prolonged finishing process of the cashmere sweater, poor hand feeling of the product, large color difference and the like.
In view of this, the invention is particularly proposed.
Disclosure of Invention
One of the purposes of the invention is to provide an anti-felting method of cashmere fabric, which has good anti-felting effect, simple and convenient processing, small damage to fiber, good hand feeling of products and small color difference.
The invention also aims to provide a processing method of the machine-washable cashmere fabric, which comprises the anti-felting process.
The invention also aims to provide the cashmere fabric obtained by processing the machine-washable cashmere fabric by the processing method.
The application can be realized as follows:
in a first aspect, the present application provides a method for preventing felting of cashmere fabric, comprising the steps of: mixing the fulling treated cashmere fabric with a dye liquor according to a bath ratio of 1: 9-30;
the dye liquor contains 50-150g/L shrink-proof agent; the raw materials of the shrink-proof agent comprise, by mass, 10-20% of organic silicone resin, 5-20% of modifier and 60-85% of water.
In an alternative embodiment, the shrink resistant agent has a total solids content of 30 to 40 wt%.
In an alternative embodiment, the dye liquor contains 60-120g/L shrink-proofing agent, and the total solid content in the shrink-proofing agent is 35 wt%.
In an optional embodiment, the mixing of the cashmere fabric and the dye liquor is carried out for 20-60min under the conditions that the pH value is 6-7, the temperature is 30-40 ℃ and the rotating speed is 10-20 r/m.
In an optional embodiment, the method further comprises the step of drying the mixture of the cashmere fabric and the dye liquor for the first time for 15-20min at the temperature of 30-100 ℃.
In an alternative embodiment, before the first drying, the method further comprises performing first water drainage and first dehydration on the mixture.
In an optional embodiment, the method further comprises washing with water after the first drying.
In an alternative embodiment, the water wash time is 5-10 min.
In an alternative embodiment, the water wash is followed by a second water drain and a second water removal.
In an optional embodiment, the method further comprises performing secondary drying after the secondary dehydration.
In an alternative embodiment, the second drying is performed at 50-90 ℃ for 15-20 min.
In a second aspect, the present application provides a method of processing machine washable cashmere fabrics, after milling, anti-felting according to the anti-felting method of the previous embodiment.
In an optional embodiment, before fulling, dyeing, spinning and weaving raw materials of the cashmere fabric are sequentially performed.
In an alternative embodiment, the spun yarn is a roving yarn.
In an alternative embodiment, the roving yarn contains 98-99 wt% cashmere and 1-2% conductive fibres.
In an alternative embodiment, the number of the raw spun yarn is 24S/2, the needle shape is 12G or 7.2G, and the single yarn twist factor is 100-; or the number of the rough spun yarn is 68S/3, the needle shape is 18G, and the single yarn twist coefficient is 113-115.
In an alternative embodiment, 12G corresponds to a braid density of 8.3-12 mesh/inch, 7.2G corresponds to a braid density of 5.3-8.2 mesh/inch, and 18G corresponds to a braid density of 14-17.2 mesh/inch.
In an alternative embodiment, the finishing treatment is performed after the anti-felting treatment.
In a third aspect, the present application provides a cashmere fabric processed by the processing method according to any one of the preceding embodiments.
The beneficial effect of this application includes:
by mixing the shrink-proof agent containing specific raw materials (organic silicone resin and modifier) as a dye liquor component with the cashmere fabric after the milling treatment, light etching can be formed on the surface of the cashmere fabric, so that the surface of the cashmere fabric is firmly combined with the high polymer resin, the stable size of the cashmere fabric is ensured in the machine washing process, and the occurrence of felting phenomenon is avoided or reduced. The method can perform crosslinking at a lower temperature, is more convenient to apply, does not need baking treatment in the process, has small damage to fibers, and the processed cashmere product has soft and smooth hand feeling and small influence on the color of cashmere fabric.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The machine washable cashmere fabric and the anti-felting method and processing method thereof provided by the present application are specifically described below.
The application provides an anti-felting method of cashmere fabric, which comprises the following steps: the fulling treated cashmere fabric and the dye liquor are mixed according to a bath ratio of 1:9-30, for example, the bath ratio can be 1:9, 1:10, 1:11, 1:12, 1:13, 1:14, 1:15, 1:16, 1:17, 1:18, 1:19, 1:20, 1:21, 1:22, 1:23, 1:24, 1:25, 1:26, 1:27, 1:28, 1:29 or 1:30, and can be any other value within the range of 1: 9-30.
The dye liquor contains 50-150g/L shrink-proof agent. The shrink-proof agent can be contained in the dye liquor in an amount of 50g/L, 55g/L, 60g/L, 65g/L, 70g/L, 75g/L, 80g/L, 85g/L, 90g/L, 95g/L, 100g/L, 105g/L, 110g/L, 115g/L, 120g/L, 125g/L, 130g/L, 135g/L, 140g/L, 145g/L or 150g/L, and the like, and can be any other value within the range of 50-150 g/L.
In the application, the raw materials of the shrink-proof agent comprise, by mass, 10-20% of organic silicone resin, 5-20% of modifier and 60-85% of water.
The organic silicone resin has certain activity and can perform oxidation-reduction reaction with chemical components in cashmere.
The organic silicone resin adopted by the application has good shrink-proof effect and has small influence on the hand feeling and color of the product, and the organic silicone resin can also effectively reduce the crosslinking temperature and realize low-temperature crosslinking.
The modifier may be one which facilitates modification of the surface of the protein. Preferably, the modifier also functions as a surfactant to improve the dispersibility of the organosilicone resin in the dye liquor.
In some specific embodiments, the shrink-proof agent used in the present application may be a cashmere shrink-proof agent Montelai-2202 of Beijing Montelai company.
The content of the above-mentioned organic silicone resin in the shrink preventing agent may be 10%, 10.5%, 11%, 11.5%, 12%, 12.5%, 13%, 13.5%, 14%, 14.5%, 15%, 15.5%, 16%, 16.5%, 17%, 17.5%, 18%, 18.5%, 19%, 19.5%, or 20%, etc., and may be any other value within a range of 10 to 20%.
The content of the modifier in the shrink-proofing agent may be 5%, 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, or the like, or may be any other value within a range of 5 to 20%.
Based on the content of the organic silicone resin and the modifier, if the using amount of the shrink-proof agent in the dye solution is less than 50g/L, the cashmere surface cannot be effectively etched, the resin cannot form firm combination on the cashmere surface, and the shrink-proof effect cannot be achieved; if the dosage of the shrink-proof agent in the dye liquor exceeds 150g/L, the shrink-proof agent reacts with the cashmere violently, and scales on the surface of the cashmere are damaged and cracked, so that the cashmere fabric characteristics of the cashmere cannot be maintained. According to the application, the using amount of the shrink-proof agent in the dye solution is controlled to be 50-150g/L, so that the shrink-proof agent can slightly etch the surfaces of cashmere, the structure of the cashmere is prevented from being damaged, and on the basis, the resin can be firmly combined on the surfaces of the cashmere, so that the shrink-proof agent can play a good protection role and can be used for machine washing.
Similarly, in the above range of the shrinkproof agent, if the content of the organic silicone resin is less than 10%, no effective shrinkproof effect can be achieved; if the content is more than 20%, the scale on the cashmere surface is damaged and cracked, and finally, the cashmere product cannot be obtained.
In some preferred embodiments, the shrink-proofing agent has a total solid content of 30-40 wt%, and can obtain better shrink-proofing effect.
In some more preferred embodiments, the dye liquor contains 60-120g/L shrink-proof agent, and the total solid content in the shrink-proof agent is 35 wt%, under the condition, the shrink-proof effect can be obtained, and the influence on the hand feeling and the color of the product is minimal.
In an alternative embodiment, the mixing of the cashmere fabric and the dye liquor can be carried out for 20-60min under the conditions of pH value of 6-7, temperature of 30-40 ℃ and rotation speed of 10-20 r/min.
The pH may, by reference, be 6, 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9 or 7, etc., and may be any other value within the range of 6 to 7. The temperature may be 30 ℃, 31 ℃, 32 ℃, 33 ℃, 34 ℃, 35 ℃, 36 ℃, 37 ℃, 38 ℃, 39 ℃ or 40 ℃ or any other value within the range of 30-40 ℃.
The rotation speed can be 10 rpm, 11 rpm, 12 rpm, 13 rpm, 14 rpm, 15 rpm, 16 rpm, 17 rpm, 18 rpm, 19 rpm or 20 rpm, and can also be any other value within the range of 10-20 rpm.
The mixing time can be 20min, 25min, 30min, 35min, 40min, 45min, 50min, 55min or 60min, etc., or any other value within the range of 20-60 min.
It should be noted that cashmere products are acid-resistant and not alkali-resistant, and if the pH value is higher than 7, the color and the hand feeling of the cashmere products are adversely affected. Above-mentioned mixing temperature is higher than 40 ℃ or the rotational speed is higher than 20 rpm will make the redox reaction violent, is unfavorable to obtain good product quality.
Further, the mixture of the cashmere fabric and the dye liquor is subjected to first drainage and first dehydration, and then is dried for the first time for 15-20min at the temperature of 30-100 ℃.
For reference, the temperature of the first drying may be 30 ℃, 35 ℃, 40 ℃, 45 ℃, 50 ℃, 55 ℃, 60 ℃, 65 ℃, 70 ℃, 75 ℃, 80 ℃, 85 ℃, 90 ℃, 95 ℃ or 100 ℃ or the like, or may be any other value within the range of 30-100 ℃.
The first drying time can be 15min, 15.5min, 16min, 16.5min, 17min, 17.5min, 18min, 18.5min, 19min, 19.5min or 20min, and can be any other value within the range of 15-20 min.
Through the first drying, the cashmere fabric and the shrink-proof agent are crosslinked, so that the cashmere fabric achieves ideal shrink-proof performance.
In summary, the shrink-proof agent containing specific raw materials (organic silicone resin and modifier) is used as a dye liquor component to be mixed with the cashmere fabric after the milling treatment, so that slight etching can be formed on the surface of the cashmere fabric, the surface of the cashmere fabric is firmly combined with the polymer resin, the stable size of the cashmere fabric is ensured in the machine washing process, and the occurrence of felting phenomenon is avoided or reduced. The method can perform crosslinking at a lower temperature, is more convenient to apply, does not need baking treatment in the process, has small damage to fibers, and the processed product has soft and smooth hand feeling and small influence on the color of cashmere fabric.
Further, after the first drying, the cashmere fabric is washed with water (washed with clean water), and then subjected to secondary drainage, secondary dehydration and secondary drying in sequence.
The washing time may be 5-10min, such as 5min, 5.5min, 6min, 6.5min, 7min, 7.5min, 8min, 8.5min, 9min, 9.5min, or 10min, or any other value within the range of 5-10 min.
The second drying can be carried out at 50-90 deg.C for 15-20 min.
The temperature of the second drying may be 50 ℃, 55 ℃, 60 ℃, 65 ℃, 70 ℃, 75 ℃, 80 ℃, 85 ℃ or 90 ℃ or the like, or may be any other value within the range of 50-90 ℃.
The time for the second drying can be 15min, 15.5min, 16min, 16.5min, 17min, 17.5min, 18min, 18.5min, 19min, 19.5min or 20min, and can also be any other value within the range of 15-20 min.
In addition, the application also provides a processing method of the machine-washable cashmere fabric, which comprises the following steps: after the felting treatment, the felting prevention treatment is carried out according to the above-mentioned felting prevention method.
Before fulling, dyeing, spinning and weaving raw materials of cashmere fabric are sequentially carried out. And finishing and ironing after the anti-felting treatment.
That is, the main steps of the whole processing method are as follows: dyeing raw materials → spinning → weaving → felting prevention → ironing, and the finished product can be obtained after ironing.
Preferably, the spun yarn is a raw spun yarn. The roving yarn may contain 98-99 wt% cashmere and 1-2 wt% conductive fiber, preferably 98.5 wt% cashmere and 1.5 wt% conductive fiber.
In some embodiments, the raw spun yarn has a count of 24S/2, a needle shape of 12G or 7.2G, and a single yarn twist factor of 100-; in some other embodiments, the raw spun yarn has a count of 68S/3, a needle shape of 18G, and a single yarn twist multiplier of 113-115.
The 12G weave density may be 8.3-12 mesh/inch, the 7.2G weave density may be 5.3-8.2 mesh/inch, and the 18G weave density may be 14-17.2 mesh/inch.
It should be noted that, in the processing method of the machine-washable cashmere fabric of the present application, the processes and conditions that are not developed in detail can refer to the prior art, and are not described herein in any greater detail.
In conclusion, the machine-washable processing method of the cashmere fabric provided by the application adopts the inorganic strong oxidant (organic silicone resin) without organic chlorine as the main component of the shrink-proof agent, meets the requirements of green environmental protection, has small scale-stripping effect on the surfaces of cashmere and wool, and can retain the characteristics of soft and glutinous hand feeling of cashmere products to the greatest extent; meanwhile, on the premise of not affecting the color and the fastness of the product, the processing technology of the cashmere sweater washable by the traditional machine is greatly simplified, and the processing efficiency of the product is greatly improved. The machine-washable cashmere sweater produced by the method can break through the limitation that the traditional cashmere products can only be washed by hands, and can be softly machine-washed in a household drum washing machine.
Correspondingly, the application also provides a cashmere fabric which is processed by the processing method.
After the cashmere fabric is continuously washed for 78min, the loose size change rate reaches 1 multiplied by 7A, the felted size change rate reaches 2 multiplied by 5A, and machine washing can be completely realized. The processed cashmere fabric product can obviously improve the dimensional stability and the hand feeling of the cashmere fabric. The machine-washable effect can be achieved in household washing machines of different brands for more than five times of soft washing (cashmere and wool washing procedures), and the wearability of the cashmere fabric such as hand feeling, appearance and the like can be still kept to a great extent.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The embodiment provides a processing method of machine-washable cashmere fabric, which comprises the following main processes in sequence: dyeing raw materials → spinning → weaving → felting prevention → ironing, and the finished product can be obtained after ironing.
Wherein the spun yarn is a roving yarn containing 98.5 wt% of cashmere and 1.5 wt% of conductive fibers. The spun yarn had a single-side count of 24S/2, a needle shape of 12G, a single yarn twist factor of 100, and a knitting density of 12 meshes/inch.
The anti-felting treatment comprises the following steps:
(1) oxidation and reduction: mixing the fulled knitted cashmere sweater and a dye solution in a ready-made clothes dyeing machine according to a bath ratio of 1: 20; the dye liquor contains 100g/L shrink-proof agent, and the shrink-proof agent comprises 20% of organic silicone resin, 15% of modifier and the balance of water in percentage by mass.
The mixing was carried out at pH 6.5, temperature 35 ℃ and rotation speed 15 rpm for 40 minutes.
After fully mixing, the first water drainage and the first dehydration are carried out in turn.
(2) Drying for the first time: and (3) drying the cashmere fabric subjected to primary dehydration for the first time for 20min at the temperature of 50 ℃ to enable the knitted cashmere sweater and the shrink-proof agent to be crosslinked, so that the cashmere fabric achieves ideal shrink-proof performance.
(3) Washing with water: and washing the cashmere fabric after the primary drying for 10 minutes by using clean water, and then sequentially carrying out secondary drainage and secondary dehydration.
(4) And (5) drying for the second time: and (3) drying the secondarily dehydrated cashmere fabric for 20 minutes at the temperature of 80 ℃.
Example 2
This example differs from example 1 in that:
mixing the fulled knitted cashmere sweater and a dye solution in a ready-made clothes dyeing machine according to a bath ratio of 1: 9; the dye liquor contains 50g/L shrink-proof agent, and the shrink-proof agent comprises 20% of organic silicone resin, 20% of modifier and the balance of water in percentage by mass.
The other conditions were the same as in example 1.
Example 3
This example differs from example 1 in that:
mixing the fulled knitted cashmere sweater and a dye solution in a ready-made clothes dyeing machine according to a bath ratio of 1: 30; the dye liquor contains 150g/L shrink-proof agent, and the shrink-proof agent comprises 15% of organic silicone resin, 15% of modifier and the balance of water in percentage by mass.
The other conditions were the same as in example 1.
Example 4
This example differs from example 1 in that:
the mixing of the knitted cashmere vest after the fulling treatment and the dye liquor is carried out for 60 minutes under the conditions that the pH value is 6, the temperature is 30 ℃ and the rotating speed is 10 r/min.
After fully mixing, the first water drainage and the first dehydration are carried out in turn.
And (3) drying the cashmere fabric subjected to primary dehydration for 18min at the temperature of 30 ℃ for the first time to enable the knitted cashmere sweater and the shrink-proof agent to be crosslinked, so that the cashmere fabric achieves ideal shrink-proof performance.
And washing the cashmere fabric after the primary drying for 5 minutes by using clean water, and then sequentially carrying out secondary drainage and secondary dehydration.
And (3) drying the secondarily dehydrated cashmere fabric for 18 minutes at 50 ℃.
The other conditions were the same as in example 1.
Example 5
This example differs from example 1 in that:
the mixing of the fulling treated knitted cashmere trousers with the dye liquor is carried out for 20 minutes under the conditions that the pH value is 7, the temperature is 40 ℃ and the rotating speed is 20 r/min.
After fully mixing, the first water drainage and the first dehydration are carried out in turn.
And (3) drying the cashmere fabric subjected to primary dehydration for the first time for 15min at the temperature of 100 ℃ to enable the knitted cashmere sweater and the shrink-proof agent to be crosslinked, so that the cashmere fabric achieves ideal shrink-proof performance.
And washing the cashmere fabric subjected to primary drying for 8 minutes by using clean water, and then sequentially carrying out secondary drainage and secondary dehydration.
And (3) drying the secondarily dehydrated cashmere fabric for 15 minutes at 90 ℃.
The other conditions were the same as in example 1.
Example 6
This example differs from example 1 in that:
the spun yarn was a roving yarn containing 98 wt% cashmere and 2 wt% conductive fibers. The spun yarn had a single-side count of 24S/2, a needle shape of 7.2G, a single yarn twist factor of 103, and a knitting density of 8.2 mesh/inch.
The other conditions were the same as in example 1.
Example 7
This example differs from example 1 in that:
the spun yarn was a roving yarn containing 99 wt% cashmere and 1 wt% conductive fibers. The spun yarn had a single-side count of 68S/3, a needle shape of 18G, a single yarn twist factor of 115, and a knitting density of 14 mesh/inch.
The other conditions were the same as in example 1.
Test examples
A. The cashmere fabrics obtained from the above examples 1 to 7 were gently machine-washed in drum washing machines of the usual types of the brands of american, hail, siemens, little swan, etc. according to the cashmere or wool washing program.
The results show that: after being washed for more than five times, the wearability such as the hand feeling and the appearance of the cashmere fabric can be still remained to a great extent.
B. The cashmere fabrics obtained from examples 1 to 7 were tested according to FZ/T70009-2012, and the product execution standard is according to Q/ER32-2021, and the relevant standards are specifically shown in Table 1.
Table 1 reference standard
The results show that: after the cashmere fabrics treated by the method provided by the embodiments 1 to 7 of the application are tested according to FZ/T70009-2012, the performance standard completely meets the requirements of Q/ER 32-2021.
In summary, the machine-washable processing method for cashmere fabrics provided by the application adopts the inorganic strong oxidant (organic silicone resin) without organic chlorine as the main component of the shrink-proof agent, meets the requirements of green environmental protection, has small scale-stripping effect on the surfaces of cashmere and wool, and can retain the characteristics of soft and glutinous hand feeling of cashmere products to the greatest extent; meanwhile, on the premise of not affecting the color and the fastness of the product, the processing technology of the cashmere sweater washable by the traditional machine is greatly simplified, and the processing efficiency of the product is greatly improved. The machine-washable cashmere sweater produced by the method can break through the limitation that the traditional cashmere products can only be washed by hands, and can be softly machine-washed in a household drum washing machine.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An anti-felting method of cashmere fabric is characterized by comprising the following steps: mixing the fulling treated cashmere fabric with a dye liquor according to a bath ratio of 1: 9-30;
the dye liquor contains 50-150g/L shrink-proof agent; the raw materials of the shrink-proof agent comprise, by mass, 10-20% of organic silicone resin, 5-20% of modifier and 60-85% of water.
2. The shrink-proofing method according to claim 1, wherein the total solid content in the shrink-proofing agent is 30-40 wt%;
preferably, the dye liquor contains 60-120g/L of the shrink-proof agent, and the total solid content in the shrink-proof agent is 35 wt%.
3. The method of claim 1 or 2, wherein the mixing of the cashmere fabric and the dye liquor is performed at a pH of 6-7, a temperature of 30-40 ℃, and a rotation speed of 10-20 rpm for 20-60 min.
4. The anti-felting method according to claim 3, further comprising the steps of drying the mixture of the cashmere fabric and the dye liquor for the first time at 30-100 ℃ for 15-20 min;
preferably, before the first drying, the method further comprises the steps of performing first water drainage and first dehydration on the mixture.
5. The anti-felting method according to claim 4, further comprising washing with water after the first drying;
preferably, the water washing time is 5-10 min;
preferably, the water washing is followed by a second water discharge and a second dehydration.
6. The anti-felting process of claim 5, further comprising a second oven drying after the second dewatering;
preferably, the second drying is carried out at 50-90 ℃ for 15-20 min.
7. A method of processing machine washable cashmere textile, characterized in that after the milling treatment, the anti-felting treatment is carried out according to the anti-felting method of any one of claims 1 to 6.
8. The processing method of claim 7, characterized in that before fulling, the method further comprises dyeing, spinning and weaving raw materials of cashmere fabric in sequence;
preferably, the spun yarn is a roving yarn;
preferably, the roving yarn contains 98-99 wt% of cashmere and 1-2% of conductive fibers;
preferably, the number of the crude spun yarn is 24S/2, the needle shape is 12G or 7.2G, and the single yarn twist coefficient is 100-103; or, the number of the coarse spinning yarn is 68S/3, the needle shape is 18G, and the single yarn twist coefficient is 113-115;
preferably, 12G corresponds to a braid density of 8.3-12 mesh/inch, 7.2G corresponds to a braid density of 5.3-8.2 mesh/inch, and 18G corresponds to a braid density of 14-17.2 mesh/inch.
9. The process of claim 7 further comprising ironing after the anti-felting treatment.
10. A cashmere fabric obtained by processing according to the processing method of any one of claims 7 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210091662.9A CN114411424A (en) | 2022-01-26 | 2022-01-26 | Machine-washable cashmere fabric and anti-felting method and processing method thereof |
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