CN114164654A - Gel spunlace non-woven fabric and preparation method and application thereof - Google Patents
Gel spunlace non-woven fabric and preparation method and application thereof Download PDFInfo
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- CN114164654A CN114164654A CN202111561551.1A CN202111561551A CN114164654A CN 114164654 A CN114164654 A CN 114164654A CN 202111561551 A CN202111561551 A CN 202111561551A CN 114164654 A CN114164654 A CN 114164654A
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 117
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 30
- 239000007864 aqueous solution Substances 0.000 claims abstract description 24
- 238000005406 washing Methods 0.000 claims abstract description 22
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920002678 cellulose Polymers 0.000 claims abstract description 18
- 239000001913 cellulose Substances 0.000 claims abstract description 18
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- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000000243 solution Substances 0.000 claims abstract description 13
- 238000006722 reduction reaction Methods 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 8
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229940106681 chloroacetic acid Drugs 0.000 claims abstract description 8
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 8
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- 241001330002 Bambuseae Species 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
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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
- D06M13/10—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 oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
- D06M13/21—Halogenated carboxylic acids; Anhydrides, halides or salts thereof
-
- 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
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/05—Cellulose or derivatives thereof
- D06M15/09—Cellulose ethers
-
- 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
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention relates to the technical field of non-woven fabric processing, in particular to a preparation method of gel spunlace non-woven fabric, which comprises the steps of pouring chloroacetic acid into a dissolving kettle, adding ethanol with the purity of 70%, and then adding a sodium hydroxide aqueous solution with a certain concentration to prepare a sodium chloroacetate aqueous solution; soaking cellulose fiber spunlace non-woven fabric in sodium chloroacetate aqueous solution; controlling the liquid content of the soaked spunlace non-woven fabric within a certain range, and then dehydrating and drying; placing the dewatered and dried spunlace non-woven fabric in a constant temperature and humidity room to carry out reduction reaction on etherified cellulose; washing the etherified spunlace non-woven fabric with water, neutralizing with an acid solution, and washing with water; the neutralized gel spunlace non-woven fabric is shaped and dried to prepare a gel spunlace non-woven fabric finished product, and the cellulose non-woven fabric is in a state rather than a jelly state, so that the technical problems that the existing gel non-woven fabric on the market is complex in processing technology, high in cost, small in application range and only capable of meeting the requirements of being used in a small number of occasions are solved.
Description
Technical Field
The invention relates to the technical field of non-woven fabric processing, in particular to a gel spunlace non-woven fabric and a preparation method and application thereof.
Background
The non-woven fabric is also called non-woven fabric, needle-punched cotton, needle-punched non-woven fabric and the like, is produced by adopting polyester fiber and polyester fiber materials and is manufactured by a needle-punching process, and can be made into different thicknesses, hand feeling, hardness and the like.
The non-woven fabric has the characteristics of moisture resistance, air permeability, flexibility, light weight, flame retardance, no toxicity, no odor, low price, recycling and the like, and can be used in different industries, such as sound insulation, heat insulation, electric heating pieces, masks, clothes, medical use, filling materials and the like.
On the basis that the existing gel non-woven fabric on the market is complex in processing technology, high in cost and small in application range and can only meet the requirements of using in a small number of occasions, the applicant develops a gel spunlace non-woven fabric, and the gel spunlace non-woven fabric relates to sanitary materials and medical materials such as facial mask membrane cloth, eye membrane cloth, nose membrane cloth, neck membrane cloth, tampon core cloth (used in the menstrual period of a female), sanitary towel core cloth, protection pad core cloth (used by the female), nursing pad single core cloth, adult and infant paper diaper core cloth, medical dressings and the like.
Disclosure of Invention
The invention aims to provide a gel spunlace non-woven fabric, a preparation method and application thereof, so as to solve the technical problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of gel spunlace nonwoven fabric comprises the following steps:
step 1, pouring chloroacetic acid into a dissolving kettle, adding ethanol with the purity of 70%, and then adding a sodium hydroxide aqueous solution with a certain concentration to prepare a sodium chloroacetate aqueous solution;
step 2, soaking cellulose fiber spunlace non-woven fabric into sodium chloroacetate aqueous solution;
step 3, controlling the liquid content of the soaked spunlace non-woven fabric within a certain range, and then dehydrating and drying;
step 4, placing the dewatered and dried spunlace non-woven fabric in a constant temperature and humidity room to perform etherification cellulose reduction reaction;
step 5, washing the etherified spunlace non-woven fabric with water, neutralizing with an acid solution, and washing with water;
and 6, shaping and drying the neutralized gel spunlace non-woven fabric to obtain a finished gel spunlace non-woven fabric product, inspecting, cutting and packaging the finished gel spunlace non-woven fabric product.
The further improvement is that the concentration of the sodium chloroacetate alkali solution is 4-10%.
The further improvement is that the concentration of the sodium hydroxide aqueous solution is 8-20%.
The further improvement is that the concentration content of 70% ethanol in the sodium chloroacetate alkali solution is 1% -2%.
The further improvement is that the liquid volume of the cellulose non-woven fabric belt is 300-400%.
The further improvement is that the drying temperature is 60-90 ℃.
The further improvement is that the liquid content of the dried spunlace nonwoven fabric is 20-30%.
The further improvement is that the temperature of the constant temperature and humidity room is constant at 20-60 ℃.
In a further improvement, the reduction reaction time of the etherified cellulose is 120-300 minutes.
The further improvement is that the pH value of the gel spunlace nonwoven fabric after neutralization and water washing is 6-8.
The further improvement is that the cellulose fiber spunlace non-woven fabric is a non-woven fabric which is processed by a spunlace process by taking plant fibers as raw materials.
The cellulose fiber spunlace non-woven fabric preferably adopts one or a combination of viscose (etherification time 180 min), cuprammonium fibers (etherification time 180 min), tencel fibers (etherification time 240 min), bamboo fibers (etherification time 200 min) and other plant fibers as raw materials.
The further improvement lies in that: the invention also provides the gel spunlace non-woven fabric and application of the gel spunlace non-woven fabric, and the gel spunlace non-woven fabric is particularly applied to manufacturing medical dressing or beauty sanitary products or tampon cores
Compared with the prior art, the invention has the beneficial effects that:
1. the gel spunlace non-woven fabric provided by the invention is prepared by taking cellulose fibers as a raw material and processing the cellulose fibers through a spunlace process, no chemical auxiliary agent is added in the processing process, single fibers are entangled firmly by high-pressure spunlace, the spunlace non-woven fabric subjected to etherification processing expands and becomes thick many times when meeting water, the cellulose is in a cellulose state, the spunlace non-woven fabric is not a cellulose fiber non-woven fabric, but a gel non-woven fabric, the gel spunlace non-woven fabric has excellent water absorption and extremely strong liquid carrying capacity, is widely applied to various medical dressings, beauty and sanitary products, tampon cores and the like, makes up the defect capacity of all non-woven fabrics in the market in special occasions, and can keep the wetting capacity for a long time after the gel of the wet gel non-woven fabric is gelled;
2. the preparation method is simple and convenient, has low cost and is convenient for large-scale production;
3. the gel spunlace non-woven fabric provided by the invention realizes the cellulose non-woven fabric to be in a state rather than a jelly shape, and the gel spunlace non-woven fabric is directly changed into transparent gel-like fabric after meeting water, the gel-state fabric has strong water absorption capacity and long water locking time, and the gel is not in a fiber shape and does not fall off scraps.
Drawings
FIG. 1 is an overall process flow diagram of the present invention;
FIG. 2 is a comparison graph of the gel spunlace nonwoven prepared by the invention before and after water absorption.
Detailed Description
The technical solution of the present invention will be further described with reference to the following specific examples, but the present invention is not limited to these examples.
Wherein, fig. 1 is an overall process flow chart of the invention, and fig. 2 is a comparison chart before and after water absorption of the gel spunlace non-woven fabric prepared by the invention;
the process for making the non-woven fabric from the cellulose fibers in the application is as follows (as the front part of figure 1, specifically tencel-slitting), and the following examples adopt tencel to produce, and the specific steps are as follows: it is made up by using tencel through the processes of opening, mixing in cotton box to obtain fibre, carding, lapping, (drawing) water-jetting, rolling, drying, coiling and cutting.
Wherein, the control standard that the liquid content of the cellulose spunlace non-woven fabric strip is controlled to be 300-400 percent is that the gap between two stainless steel rolling shafts is controlled to be 1-2 filaments and the self-weight rolling of the rollers cannot be carried out.
And the control of the spunlace nonwoven fabric containing 20-30% of water, namely 70-80% of water, is obtained by comparing with the weight of the base fabric, namely the weight of the dried fabric is 120-130%.
Embodiment 1 provides a method for preparing a gel spunlace nonwoven fabric, comprising the following steps:
step 1, pouring chloroacetic acid into a dissolving kettle, adding ethanol with the concentration of 1% and the purity of 70%, and then adding an aqueous solution of sodium hydroxide with the concentration of 8% to prepare a sodium chloroacetate aqueous alkali with the concentration of 4%;
step 2, soaking cellulose fiber spunlace non-woven fabric into sodium chloroacetate aqueous solution;
step 3, controlling the liquid content of the soaked spunlace non-woven fabric to be 300%, and dehydrating and drying at 75 ℃;
step 4, placing the spunlace nonwoven cloth dehydrated and dried to 70% in a constant temperature and humidity room with the temperature of 30 ℃ to carry out reduction reaction of etherified cellulose;
step 5, washing the etherified spunlace non-woven fabric with water, neutralizing with an acid solution, and washing with water, wherein the pH value of the gel spunlace non-woven fabric after neutralization and water washing is 6;
and 6, shaping and drying the neutralized gel spunlace non-woven fabric to obtain a finished gel spunlace non-woven fabric, inspecting, cutting and packaging the finished gel spunlace non-woven fabric to obtain the embodiment 1.
Embodiment 2 provides a method for preparing a gel spunlace nonwoven fabric, comprising the following steps:
step 1, pouring chloroacetic acid into a dissolving kettle, adding ethanol with the concentration of 2% and the purity of 70%, and then adding a sodium hydroxide aqueous solution with the concentration of 20% to prepare a sodium chloroacetate aqueous solution with the concentration of 10%;
step 2, soaking cellulose fiber spunlace non-woven fabric into sodium chloroacetate aqueous solution;
step 3, controlling the liquid content of the soaked spunlace non-woven fabric to be 400%, and dehydrating and drying at the temperature of 75 ℃;
step 4, placing the spunlace nonwoven cloth which is dehydrated and dried to 80% in a constant temperature and humidity room with the temperature of 35 ℃ to carry out reduction reaction of etherified cellulose;
step 5, washing the etherified spunlace non-woven fabric with water, neutralizing with an acid solution, and washing with water, wherein the pH value of the gel spunlace non-woven fabric after neutralization and water washing is 8;
and 6, shaping and drying the neutralized gel spunlace non-woven fabric to obtain a finished gel spunlace non-woven fabric, inspecting, cutting and packaging the finished gel spunlace non-woven fabric to obtain the embodiment 2.
Embodiment 3 provides a method for preparing a gel spunlace nonwoven fabric, comprising the following steps:
step 1, pouring chloroacetic acid into a dissolving kettle, adding ethanol with the concentration of 1.5% and the purity of 70%, and then adding a sodium hydroxide aqueous solution with the concentration of 14% to prepare a sodium chloroacetate aqueous solution with the concentration of 7%;
step 2, soaking cellulose fiber spunlace non-woven fabric into sodium chloroacetate aqueous solution;
step 3, controlling the liquid content of the soaked spunlace non-woven fabric to be 350%, and dehydrating and drying at the temperature of 80 ℃;
step 4, placing the spunlace nonwoven cloth dehydrated and dried to 75% in a constant temperature and humidity room with the temperature of 35 ℃ to carry out reduction reaction of etherified cellulose;
step 5, washing the etherified spunlace non-woven fabric with water, neutralizing with an acid solution, and washing with water, wherein the pH value of the gel spunlace non-woven fabric after neutralization and water washing is 7;
and 6, shaping and drying the neutralized gel spunlace non-woven fabric to obtain a finished gel spunlace non-woven fabric, inspecting, cutting and packaging the finished gel spunlace non-woven fabric to obtain the embodiment 3.
Embodiment 4 provides a method for preparing a gel spunlace nonwoven fabric, comprising the following steps:
step 1, pouring chloroacetic acid into a dissolving kettle, adding ethanol with the concentration of 1.2% and the purity of 70%, and then adding a sodium hydroxide aqueous solution with the concentration of 12% to prepare a sodium chloroacetate aqueous solution with the concentration of 6%;
step 2, soaking cellulose fiber spunlace non-woven fabric into sodium chloroacetate aqueous solution;
step 3, controlling the liquid content of the soaked spunlace non-woven fabric to be 380%, and dehydrating and drying at the temperature of 80 ℃;
step 4, placing the spunlace nonwoven cloth dehydrated and dried to 70% in a constant temperature and humidity room with the temperature of 40 ℃ to carry out reduction reaction of etherified cellulose;
step 5, washing the etherified spunlace non-woven fabric with water, neutralizing with an acid solution, and washing with water, wherein the pH value of the gel spunlace non-woven fabric after neutralization and water washing is 6.5;
and 6, shaping and drying the neutralized gel spunlace non-woven fabric to obtain a finished gel spunlace non-woven fabric, inspecting, cutting and packaging the finished gel spunlace non-woven fabric to obtain the embodiment 4.
Embodiment 5 provides a method for preparing a gel spunlace nonwoven fabric, comprising the following steps:
step 1, pouring chloroacetic acid into a dissolving kettle, adding ethanol with the concentration of 2% and the purity of 70%, and then adding a sodium hydroxide aqueous solution with the concentration of 15% to prepare a sodium chloroacetate aqueous solution with the concentration of 6%;
step 2, soaking cellulose fiber spunlace non-woven fabric into sodium chloroacetate aqueous solution;
step 3, controlling the liquid content of the soaked spunlace non-woven fabric to be 350%, and dehydrating and drying at the temperature of 75 ℃;
step 4, placing the spunlace nonwoven cloth dehydrated and dried to 75% in a constant temperature and humidity room with the temperature of 35 ℃ to carry out reduction reaction of etherified cellulose;
step 5, washing the etherified spunlace non-woven fabric with water, neutralizing with an acid solution, and washing with water, wherein the pH value of the gel spunlace non-woven fabric after neutralization and water washing is 7;
and 6, shaping and drying the neutralized gel spunlace non-woven fabric to obtain a finished gel spunlace non-woven fabric, inspecting, cutting and packaging the finished gel spunlace non-woven fabric to obtain the embodiment 5.
Comparative example 1
The comparative example differs from example 1 in that: when the liquid content of the cellulose spunlace non-woven fabric strip is controlled to be below 300%, the water absorption rate and the water locking rate are not qualified;
when the carrying liquid content is more than 400 percent, the effect of the obtained product is the same as that of the product obtained by 300 to 400 percent, no gel is added, and raw materials are not wasted.
Comparative example 2
The comparative example differs from example 1 in that: when the water content of the spunlace non-woven fabric exceeds 30%, the reaction time in a constant temperature and humidity room is prolonged, the energy consumption is increased, the productivity is reduced, and if the water content is lower than 20%, the fabric surface is crisp in strength and easy to break.
The following examples 1-5 were tested for properties, including water absorption, shrinkage and thickness of the gel after water absorption, and the corresponding test results are shown in tables 1-3.
1. Water absorption rate
The test method comprises the following steps: taking 10 x 10cm gel spunlace nonwoven fabric, weighing and calculating M1. Completely immersing in water, taking out after 10s, lifting for 10s without dripping, weighing, and measuring M2. The water absorption capacity of the gel spunlace nonwoven fabric is as follows: M2-M1. Calculating the multiple: M2/M1.
2. Water locking rate
The test method comprises the following steps: and (3) lifting the completely soaked gel spunlace non-woven fabric for 10 seconds without dripping, weighing, and calculating M1. Standing at room temperature for 12h, weighing, and calculating M2. The water retention of the gel spunlace nonwoven = M2/M1 × 100%.
3. Thickness of gel after Water absorption
The test method comprises the following steps: one spunlace nonwoven was folded into eight sheets, measured with a vernier caliper, and the average thickness was calculated.
Therefore, as shown in fig. 1-2 and tables 1-3, the cellulose fiber spunlace nonwoven fabric prepared by the invention has high transparency and high water absorption, and the raw materials are all from plants, so that the cellulose fiber spunlace nonwoven fabric has good skin-friendly property, and can be widely applied to the medical, beauty and health industries, and the preparation method of the invention is simple and convenient, has low cost, is convenient for large-scale production, and the product is a spunlace nonwoven fabric in a dry state, has slightly hard texture, particularly uniform cross fiber spreading, is glittering and translucent in a wet state, is highly transparent, is similar to a jelly, has a smaller area than that in a dry state, and has a thickness of 4-5 times thicker.
While particular embodiments of the present invention have been illustrated and described, it would be obvious to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.
Claims (10)
1. The preparation method of the gel spunlace non-woven fabric is characterized by comprising the following steps:
step 1, pouring chloroacetic acid into a dissolving kettle, adding ethanol with the purity of 70%, and then adding a sodium hydroxide aqueous solution with a certain concentration to prepare a sodium chloroacetate aqueous solution;
step 2, soaking cellulose fiber spunlace non-woven fabric into sodium chloroacetate aqueous solution;
step 3, controlling the liquid content of the soaked spunlace non-woven fabric within a certain range, and then dehydrating and drying;
step 4, placing the dewatered and dried spunlace non-woven fabric in a constant temperature and humidity room to perform etherification cellulose reduction reaction;
step 5, washing the etherified spunlace non-woven fabric with water, neutralizing with an acid solution, and washing with water;
and 6, shaping and drying the neutralized gel spunlace non-woven fabric to obtain a finished product of the gel spunlace non-woven fabric.
2. The method for preparing the gel spunlace nonwoven fabric according to claim 1, wherein the concentration of the sodium chloroacetate alkali solution is 4-10%.
3. The method of claim 1, wherein the concentration of the aqueous sodium hydroxide solution is 8-20%.
4. The method of claim 1, wherein the liquid volume of the cellulose nonwoven tape is 300-400%.
5. The method of claim 1, wherein the drying temperature is 60-90 ℃.
6. The method for preparing a gel spunlace nonwoven fabric according to claim 1, wherein the constant temperature and humidity chamber is maintained at a constant temperature of 20-60 ℃.
7. The method for preparing a gel spunlace nonwoven fabric according to claim 1, wherein the reduction reaction time of the etherified cellulose is 120-300 minutes.
8. The method for preparing the gel spunlace nonwoven fabric according to claim 1, wherein the cellulose fiber spunlace nonwoven fabric is a nonwoven fabric which is made of plant fibers as raw materials and is processed by a spunlace process.
9. A gel spunlace nonwoven fabric is characterized in that: the gel spunlace nonwoven fabric is prepared by adopting the preparation method of any one of claims 1 to 8.
10. Use of a gel spunlace nonwoven according to claim 9, wherein: the preparation method is used for manufacturing medical dressing or beauty sanitary products or tampon cores.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645456A (en) * | 2022-03-24 | 2022-06-21 | 杭州叙源无纺布制品有限公司 | Preparation method of gelatinized spunlace nonwoven containing cellulose fibers |
| CN115522381A (en) * | 2022-09-30 | 2022-12-27 | 湖南佰欧泰医药有限责任公司 | Preparation process of hydrophilic fiber structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1145811A (en) * | 1996-08-20 | 1997-03-26 | 王继祖 | Water-soluble nonwoven fabric for medical use |
| JPH0987956A (en) * | 1995-09-20 | 1997-03-31 | Oji Paper Co Ltd | Water-absorbing cellulose material and its production |
| US20060014721A1 (en) * | 2001-04-30 | 2006-01-19 | Beijing Textile Research Institute | Water soluble cellulose etherified derivatives styptic materials |
| CN103041437A (en) * | 2012-12-25 | 2013-04-17 | 武汉纺织大学 | High-intensity high-hydroscopicity medical dressing containing carboxymethyl cellulose and preparation method thereof |
| CN104353103A (en) * | 2014-10-16 | 2015-02-18 | 湖北杰明凯林科技有限公司 | Antibacterial medical hydrogel dressing and preparation method thereof |
| CN110409164A (en) * | 2019-09-09 | 2019-11-05 | 苏州汇涵医用科技发展有限公司 | The preparation method of antibacterial cationic fiber cellulose fiber medical dressing |
| CN110565264A (en) * | 2019-09-17 | 2019-12-13 | 绍兴莱洁新材料科技有限公司 | preparation method of high-transparency high-water-absorptivity cellulose fiber spunlace non-woven fabric |
| KR102236643B1 (en) * | 2020-07-20 | 2021-04-07 | 주식회사 피앤씨랩스 | Manufacturing method of high absorbent cellulose non woven fabric |
-
2021
- 2021-12-20 CN CN202111561551.1A patent/CN114164654A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0987956A (en) * | 1995-09-20 | 1997-03-31 | Oji Paper Co Ltd | Water-absorbing cellulose material and its production |
| CN1145811A (en) * | 1996-08-20 | 1997-03-26 | 王继祖 | Water-soluble nonwoven fabric for medical use |
| US20060014721A1 (en) * | 2001-04-30 | 2006-01-19 | Beijing Textile Research Institute | Water soluble cellulose etherified derivatives styptic materials |
| CN103041437A (en) * | 2012-12-25 | 2013-04-17 | 武汉纺织大学 | High-intensity high-hydroscopicity medical dressing containing carboxymethyl cellulose and preparation method thereof |
| CN104353103A (en) * | 2014-10-16 | 2015-02-18 | 湖北杰明凯林科技有限公司 | Antibacterial medical hydrogel dressing and preparation method thereof |
| CN110409164A (en) * | 2019-09-09 | 2019-11-05 | 苏州汇涵医用科技发展有限公司 | The preparation method of antibacterial cationic fiber cellulose fiber medical dressing |
| CN110565264A (en) * | 2019-09-17 | 2019-12-13 | 绍兴莱洁新材料科技有限公司 | preparation method of high-transparency high-water-absorptivity cellulose fiber spunlace non-woven fabric |
| KR102236643B1 (en) * | 2020-07-20 | 2021-04-07 | 주식회사 피앤씨랩스 | Manufacturing method of high absorbent cellulose non woven fabric |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645456A (en) * | 2022-03-24 | 2022-06-21 | 杭州叙源无纺布制品有限公司 | Preparation method of gelatinized spunlace nonwoven containing cellulose fibers |
| CN115522381A (en) * | 2022-09-30 | 2022-12-27 | 湖南佰欧泰医药有限责任公司 | Preparation process of hydrophilic fiber structure |
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