CN109576902B - Cotton-hemp-soft towel blended spunlaced nonwoven material and preparation method thereof - Google Patents
Cotton-hemp-soft towel blended spunlaced nonwoven material and preparation method thereof Download PDFInfo
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- CN109576902B CN109576902B CN201811638947.XA CN201811638947A CN109576902B CN 109576902 B CN109576902 B CN 109576902B CN 201811638947 A CN201811638947 A CN 201811638947A CN 109576902 B CN109576902 B CN 109576902B
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- 239000000463 material Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 61
- 229920000742 Cotton Polymers 0.000 claims abstract description 40
- 239000011487 hemp Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 32
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims abstract description 32
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims abstract description 32
- 235000009120 camo Nutrition 0.000 claims abstract description 32
- 235000005607 chanvre indien Nutrition 0.000 claims abstract description 32
- 238000009960 carding Methods 0.000 claims abstract description 21
- 238000004061 bleaching Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims description 18
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 241000381602 Vachellia nebrownii Species 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 10
- 230000018044 dehydration Effects 0.000 abstract description 3
- 238000006297 dehydration reaction Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 28
- 241000219146 Gossypium Species 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000007599 discharging Methods 0.000 description 10
- 238000010998 test method Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000222122 Candida albicans Species 0.000 description 1
- 240000000047 Gossypium barbadense Species 0.000 description 1
- 235000009429 Gossypium barbadense Nutrition 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940095731 candida albicans Drugs 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention discloses a cotton-hemp soft towel blended spun-laced non-woven material and a preparation method thereof, wherein the cotton-hemp soft towel blended spun-laced non-woven material is prepared from hemp fibers and cotton fibers, and the preparation method comprises the following steps: raw material preparation, fiber feeding, opening, mixing, carding for impurity removal, mixing, carding for net forming, net laying, water needling, bleaching, dehydration, drying, coiling and cutting. The cotton-hemp-soft towel blended spun-laced nonwoven material prepared by the method is clean, soft and comfortable, has good antibacterial performance, is very suitable for sanitary materials, and the selected hemp fibers and cotton fibers are natural fibers, can be naturally degraded, are safe and environment-friendly, and the preparation method not only improves the quality of the product, but also reduces the cost.
Description
Technical Field
The invention relates to a cotton-hemp-soft towel blended spun-laced non-woven material and a preparation method thereof, and the hemp-fiber blended spun-laced non-woven material can be used as a sanitary material field.
Background
China-hemp, also known as hemp, etc., has different names in different areas. Hemp fibers are derived from industrial hemp and are widely used because of their many excellent properties. The hemp fiber is the most flexible one of all hemp fibers, has natural antibacterial performance, and has the functions of ultraviolet resistance, good moisture absorption, moisture dispersion, ventilation and the like. So the spun-laced nonwoven material which blends hemp and cotton fibers is very suitable for use in sanitary materials.
The hemp fiber and the cotton fiber are natural fibers, so that the defects of various impurities, inconsistent fiber colors and the like exist, and if the product is not treated, various impurities or colors can look dirty and seriously influence the appearance of the cloth cover. Chinese patent application (CN 20121014251.7) discloses a China hemp spunlaced nonwoven fabric and a method for preparing the same. The method comprises the following steps: mixing the hemp fibers with at least one of long staple cotton fibers and viscose fibers, and then sequentially carrying out the steps of coarse opening, fine opening, pneumatic cotton feeding, carding, lapping, drafting, hydroentangling and drying to obtain the hemp spunlaced nonwoven fabric. Chinese patent application (CN 20171090629.2) discloses a natural antibacterial fiber spunlaced nonwoven fabric, and a preparation method and application thereof, wherein the natural antibacterial fiber spunlaced nonwoven fabric comprises China hemp fibers and cotton fibers, and the preparation method comprises the following steps: respectively preprocessing hemp fiber and cotton fiber; mixing the pretreated China hemp fiber and cotton fiber; the mixed fiber is sequentially processed into fine strips through the processes of opening and picking, carding and combing, then is broken into fine nets, and finally is obtained through hydrophilic treatment, opening, carding, net laying, drafting, hydroentangling, drying and coiling. However, it is not disclosed whether the fiber or product is subjected to a bleaching process, and thus the cleanliness of the cloth cover will be greatly affected. Even if the fiber is subjected to pretreatment such as bleaching before being processed into the spunlaced fabric, the process is complex and has high cost.
Disclosure of Invention
In view of the above, the invention aims to provide a cotton-hemp-soft towel blended spunlaced nonwoven material and a preparation method thereof.
In order to achieve the aim, the invention provides a cotton-hemp-soft towel blended spunlaced nonwoven material, which comprises the following raw materials in percentage by mass:
5% -50% of China hemp;
50% -95% of cotton fiber.
Further, the cotton fiber is fine cotton, long cotton or coarse cotton of natural cotton fiber, the length of the cotton fiber is 18-33mm, and the fineness is 1.4-2.3D.
Further, the hemp fiber is industrial hemp fiber, the length of the hemp fiber is 18-100mm, and the fineness is 2.0-5.0D.
Further, the gram weight of the cotton-hemp-soft towel blended spunlaced nonwoven material is 28-120g/m < 2 >.
The invention also provides a preparation method of the cotton-hemp-soft towel blended spunlaced nonwoven material, which comprises the following steps:
1) Feeding hemp fiber and cotton fiber, opening, mixing, carding and removing impurities;
2) Mixing in a cotton mixing bin after removing impurities, conveying fibers to a carding machine by air flow for carding to form a net, and reinforcing by water thorn;
3) Bleaching and dewatering the water-needled cloth;
4) And finally, drying, coiling and cutting the spunlaced fabric.
Further, in the step 2), the web forming mode is full cross-lapping, namely, the fiber web paved by a carding machine is cross-lapped by a cross lapping machine, the lapping layer number is 2-8, then the fiber web is drafted by a draft machine, the draft multiplying power is 1.5-3 times, and the fiber web is subjected to hydro-entangling after lapping is completed.
Further, in the step 2), the lapping mode is half-cross lapping, namely that part of the mixed fibers are crosslapped, part of the mixed fibers are directly lapped, the number of crosslapped layers is 2-8, the drafting ratio is 1.5-3 times, then compounding is carried out, and water needling is carried out after lapping is completed.
Further, in the step 2), the quantitative ratio of the cross-lapping to the direct lapping is 3: 7-7: and 3, the quantitative ratio is the ratio of the gram weights of the cross-lapped and the direct-lapped to the total gram weights of the cross-lapped and the direct-lapped respectively, and if the quantitative ratio of the cross-lapped is 30%, the quantitative ratio of the direct-lapped is 70%.
Further, in the step 2), the hydroentanglement is one of drum hydroentanglement on the front and back surfaces of the fiber web or flat web hydroentanglement or a combination thereof.
Further, in the step 3), the bleaching solution used for bleaching is prepared from 0.2 to 0.5 weight percent of refining agent, 1 to 1.25 weight percent of hydrogen peroxide, 1.05 to 1.27 weight percent of liquid alkali, 0.08 to 0.12 weight percent of stabilizer and the balance of water.
Further, in the step 3), the bleaching temperature is 60-90 ℃ and the bleaching time is 60-140min.
The invention has the following beneficial effects:
the cotton-hemp-soft towel blended spun-laced nonwoven material provided by the invention is clean, soft and comfortable, has good antibacterial performance, is very suitable for sanitary materials, and is natural in selected hemp fibers and cotton fibers, can be naturally degraded, and is safe and environment-friendly; the preparation method not only improves the quality of the product, but also reduces the cost.
Drawings
Fig. 1 is a schematic flow chart of a preparation method of a cotton-hemp-soft towel blended spunlaced nonwoven material.
Detailed Description
The present invention is further illustrated below with reference to specific examples, which are not intended to limit the invention in any way. Unless otherwise indicated, the materials, methods and apparatus employed in the present invention are those conventional in the art. Unless otherwise specified, the materials and equipment used in this example were those conventionally commercially available in the art.
Example 1
As shown in fig. 1, the embodiment provides a preparation method of a cotton-hemp-soft towel blended spunlaced nonwoven material, which comprises the following steps:
(1) Preparing fiber, namely preparing industrial hemp fiber and natural cotton fiber, wherein the length of the hemp fiber is 18-100mm, the fineness is 2.0-5.0D, the length of the cotton fiber is 18-33mm, and the fineness is 1.4-2.3D. The grammage of the cotton-hemp-soft towel blended spunlaced nonwoven material is set to be 45 g/square meter.
(2) Grabbing and feeding the fiber raw materials into an opener for opening by a reciprocating bale plucker, wherein the weight ratio of the fed hemp to the cotton fibers is 3: and 7, after opening, the fibers enter a multi-bin cotton mixing box for mixing, and after mixing, the fibers enter a carding machine for carding and impurity removal.
(3) After removing impurities, the fibers enter a large-bin cotton mixing bin for mixing, the fibers are conveyed to a carding machine by air flow of a cotton conveying fan for carding and lapping, the fiber webs laid out by the carding machine enter a cross lapping machine for cross lapping, the number of lapping layers is 4, the fiber webs laid out by the lapping machine enter a drafting machine for drafting, the drafting multiplying power is 1.8 times, and finally, the front and back rollers are subjected to hydroentanglement, the number of hydroentanglement is 5, and the pressures are 20bar, 30bar, 35bar, 40bar and 40bar respectively.
(4) Bleaching and dewatering the water-needled cloth, wherein the bleaching liquid is prepared from 0.3wt% of refining agent, 1.2wt% of hydrogen peroxide, 1.1wt% of liquid alkali, 0.1wt% of stabilizer and the balance of water. The specific steps of bleaching and dewatering are as follows:
1. the cloth roll is put into the pot, and the pot door is closed.
2. Injecting clear water, adding the refining agent, liquid alkali and stabilizer, reaching high water level, and starting the circulating pump.
3. Heating to 60 ℃, simultaneously injecting hydrogen peroxide, and circulating for 10 minutes.
4. The temperature was raised to 85℃and cycled for 70 minutes.
5. And discharging the high-temperature water.
6. And (5) injecting clean water again, heating to 75 ℃, and discharging after 10 minutes of circulation.
7. Injecting clear water for 8 minutes and discharging.
8. And injecting clear water again for circulation for 8 minutes, and discharging.
9. Pickling for 20 minutes, taking a water sample for inspection, and discharging water after the water sample is qualified.
10. And taking the cloth roll out of the pot, and vacuum sucking and dehydrating.
(5) Drying the cloth cover after dehydration, wherein the drying temperature is 75 ℃, coiling after drying, and the coiling speed is 40m/min, and cutting according to requirements.
The cotton-hemp-soft towel blended spunlaced nonwoven material can be prepared through the steps, and the performance of the product is tested.
The test procedure and results were as follows:
(1) Quantitative grammage test
Test instrument: an electronic balance, a test method: GB/T24218.1-2009, test results are shown in Table 1.
Table 1 quantitative grammage test results of a cotton-hemp-towel blended spunlaced nonwoven material
| Sample preparation | Quantitative gram weight (g/m) 2 ) |
| Example 1 | 46.9 |
(2) Thickness test instrument: the YG141 fabric thickness tester comprises the following steps: GB/T24218.2-2009, test results are shown in Table 2.
Table 2 thickness test results of the cotton-hemp-soft towel blended spunlaced nonwoven material
| Sample preparation | Thickness (mm) |
| Example 1 | 0.48 |
(3) Strength and elongation test instrument: an electronic strength meter, a test method: GB/T24218.3-2010, the test results are shown in Table 3.
Table 3 test results of strength and elongation of the cotton-hemp-towel blended spunlaced nonwoven material
(4) The water absorption performance test method comprises the following steps: GB/T24218.6-2010, the test results are shown in Table 4.
Table 4 results of water absorption test of the spun-laced nonwoven materials of the cotton-flax soft towel blends
| Sample preparation | Water absorption capacity (g/g) | Time of water absorption(s) |
| Example 1 | 9.77 | 1.43 |
(5) The bacteriostasis test method comprises the following steps: GB 15979-2002, the test results are shown in Table 5.
Table 5 antibacterial test results of the cotton-hemp-soft towel blended spunlaced nonwoven material
| Sample preparation | Candida albicans antibacterial rate | Coliform bacteria inhibition rate | Antibacterial rate of staphylococcus aureus |
| Example 1 | 41.14％ | 38.45％ | 40.22％ |
Example 2
As shown in fig. 1, the embodiment provides a preparation method of a cotton-hemp-soft towel blended spunlaced nonwoven material, which comprises the following steps:
(1) Preparing fiber, namely preparing industrial hemp fiber and natural cotton fiber, wherein the length of the hemp fiber is 18-100mm, the fineness is 2.0-5.0D, the length of the cotton fiber is 18-33mm, and the fineness is 1.4-2.3D. The grammage of the cotton-hemp-soft towel blended spunlaced nonwoven material is set to be 40 g/square meter.
(2) The reciprocating bale plucker grabs and feeds the fiber raw materials into an opener for opening, and the weight ratio of the fed hemp to the cotton fibers is 5:5, after opening, the fibers enter a multi-bin cotton mixing box for mixing, and after mixing, the fibers enter a carding machine for carding and impurity removal.
(3) The fiber enters a big bin cotton mixing bin for mixing after impurity removal, the fiber is divided into two parts after mixing and is conveyed to a carding machine by a cotton conveying fan for cross lapping and direct lapping, the number of layers of the cross lapping is 4, the drafting multiplying power is 1.8 times, the ration of the direct lapping is 15 g/square meter, the ration of the cross lapping is 25 g/square meter, and the direct lapping and the cross lapping are compounded. Finally, carrying out the water jet of the roller with the front and back surfaces, wherein the number of water jet tracks is 5, and the pressures are respectively 20bar, 30bar, 45bar, 50bar and 50bar.
(4) Bleaching and dewatering the water-needled cloth, wherein the bleaching liquid is prepared from 0.3wt% of refining agent, 1.2wt% of hydrogen peroxide, 1.1wt% of liquid alkali, 0.1wt% of stabilizer and the balance of water. The specific steps of bleaching and dewatering are as follows:
1. the cloth roll is put into the pot, and the pot door is closed.
2. Injecting clear water, adding refining agent, liquid alkali and stabilizer, reaching high water level, and starting the circulating pump.
3. Heating to 60 ℃, simultaneously injecting hydrogen peroxide, and circulating for 10 minutes.
4. The temperature was raised to 85℃and cycled for 70 minutes.
5. And discharging the high-temperature water.
6. And (5) injecting clean water again, heating to 75 ℃, and discharging after 10 minutes of circulation.
7. Injecting clear water for 8 minutes and discharging.
8. And injecting clear water again for circulation for 8 minutes, and discharging.
9. Pickling for 20 minutes, taking a water sample for inspection, and discharging water after the water sample is qualified.
10. And taking the cloth roll out of the pot, and vacuum sucking and dehydrating.
(5) Drying the cloth cover after dehydration, wherein the drying temperature is 75 ℃, coiling after drying, and the coiling speed is 45m/min, and cutting according to requirements.
The cotton-hemp-soft towel blended spunlaced nonwoven material can be prepared through the steps, and the performance of the product is tested.
The test procedure and results were as follows:
(1) Quantitative grammage test instrument: an electronic balance, a test method: GB/T24218.1-2009, test results are shown in Table 6.
Table 6 quantitative grammage test results for cotton-hemp-towel blended spunlaced nonwoven materials
| Sample preparation | Quantitative gram weight (g/m) 2 ) |
| Example 2 | 40.8 |
(2) Thickness test instrument: the YG141 fabric thickness tester comprises the following steps: GB/T24218.2-2009, test results are shown in Table 7.
Table 7 thickness test results of the cotton-hemp-towel blended spunlaced nonwoven material
| Sample preparation | Thickness (mm) |
| Example 2 | 0.42 |
(3) Strength and elongation test instrument: an electronic strength meter, a test method: GB/T24218.3-2010, the test results are shown in Table 8.
Table 8 results of strength and elongation test of cotton-flax soft towel blended spunlaced nonwoven materials
(4) The water absorption performance test method comprises the following steps: GB/T24218.6-2010, the test results are shown in Table 9.
Table 9 results of Water absorption test of Water-jet nonwoven Material blended with Cotton-hemp Soft towel
| Sample preparation | Water absorption capacity (g/g) | Time of water absorption(s) |
| Example 2 | 8.862 | 1.52 |
(5) The bacteriostasis test method comprises the following steps: GB 15979-2002, the test results are shown in Table 10.
Table 10 antibacterial test results of cotton-flax soft towel blended spunlaced nonwoven materials
Through the embodiment and the test, the cotton-hemp-soft towel blended spunlaced nonwoven material has good strength, high water absorption performance, certain antibacterial performance, clean and tidy cloth cover, softness and comfort. Therefore, the invention has good development prospect and commercial utilization value in the fields of sanitary materials and the like.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (4)
1. A preparation method of a cotton-hemp-soft towel blended spunlaced nonwoven material is characterized by comprising the following steps of: the method comprises the following steps:
1) Feeding hemp fiber and cotton fiber, opening, mixing, carding and removing impurities;
2) Mixing in a cotton mixing bin after removing impurities, conveying fibers to a carding machine by air flow to carry out carding to form a net, lapping the net, and reinforcing by water thorn;
3) Bleaching and dewatering the water-needled cloth; the bleaching liquid for bleaching is prepared from 0.2 to 0.5 weight percent of refining agent, 1 to 1.25 weight percent of hydrogen peroxide, 1.05 to 1.27 weight percent of liquid alkali, 0.08 to 0.12 weight percent of stabilizer and the balance of water; the bleaching temperature is 60-90 ℃, and the bleaching time is 60-140min;
4) Finally, drying, coiling and cutting the spunlaced fabric;
the cotton-hemp-soft towel blended spunlaced nonwoven material comprises the following raw materials in percentage by mass:
5% -50% of China hemp;
50% -95% of cotton fiber;
the hemp fiber is industrial hemp fiber, the length of the hemp fiber is 18-100mm, and the fineness is 2.0-5.0D; the cotton fiber is fine cotton, long cotton or coarse cotton of natural cotton fiber, the length of the cotton fiber is 18-33mm, and the fineness is 1.4-2.3D;
the gram weight of the cotton-hemp-soft towel blended spunlaced nonwoven material is 28-120g/m 2 。
2. The method for preparing the cotton-hemp-soft towel blended spunlaced nonwoven material according to claim 1, wherein in the step 2), the lapping mode is full-cross lapping, namely, the fiber web laid out by a carding machine is crosslapped by a crosslapping machine, the lapping layer number is 2-8, then the fiber web is drafted by a draft machine, the draft ratio is 1.5-3 times, and the spunlaced nonwoven material is carried out after lapping is completed.
3. The method for preparing the cotton-hemp-soft towel blended spunlaced nonwoven material according to claim 1, wherein in the step 2), the lapping mode is half-cross lapping, namely, part of mixed fibers are crosslapped, part of mixed fibers are directly lapped, the number of crosslapped layers is 2-8, the draft ratio is 1.5-3 times, the composite is carried out, and the spunlaced is carried out after lapping is completed.
4. The method for preparing the cotton-hemp-soft towel blended spunlaced nonwoven material according to claim 3, wherein in the step 2), the quantitative ratio of the cross-lapping to the direct lapping is 3: 7-7: 3, a step of; the hydroentanglement is one or the combination of drum hydroentanglement or flat web hydroentanglement on the front and back surfaces of the fiber web.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638947.XA CN109576902B (en) | 2018-12-29 | 2018-12-29 | Cotton-hemp-soft towel blended spunlaced nonwoven material and preparation method thereof |
| PCT/CN2019/073317 WO2020133625A1 (en) | 2018-12-29 | 2019-01-28 | Soft cotton-linen blended spunlace nonwoven fabric and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110565268A (en) * | 2019-10-09 | 2019-12-13 | 安庆华维产业用布科技有限公司 | production method of semi-crossed composite spunlace non-woven fabric |
| CN111793969A (en) * | 2020-07-17 | 2020-10-20 | 深圳全棉时代科技有限公司 | Light bleaching method of composite non-woven fabric |
| CN112779669A (en) * | 2020-12-29 | 2021-05-11 | 宜昌市欣龙卫生材料有限公司 | China-hemp blended non-woven fabric and preparation method thereof |
| CN113417070A (en) * | 2021-06-21 | 2021-09-21 | 刘景峰 | Antibacterial spunlace fabric and preparation method thereof |
| CN113417076B (en) * | 2021-06-23 | 2022-07-22 | 海南欣龙无纺股份有限公司 | Wormwood finishing melt-blown fabric and preparation method and application thereof |
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