CN108035069B - Preparation method of spandex waste silk non-woven fabric - Google Patents
Preparation method of spandex waste silk non-woven fabric Download PDFInfo
- Publication number
- CN108035069B CN108035069B CN201810079538.4A CN201810079538A CN108035069B CN 108035069 B CN108035069 B CN 108035069B CN 201810079538 A CN201810079538 A CN 201810079538A CN 108035069 B CN108035069 B CN 108035069B
- Authority
- CN
- China
- Prior art keywords
- spandex
- melt adhesive
- hot melt
- waste silk
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- D04H1/4326—Condensation or reaction polymers
- D04H1/4358—Polyurethanes
-
- 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
-
- 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
- D04H1/58—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—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 by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention relates to a preparation method of spandex waste silk non-woven fabric, which mainly comprises the steps of ⑴ putting spandex waste silk into a stirring kettle, adding water to immerse the spandex waste silk, adding a fiber cleaning agent accounting for 0.5-2% of the weight of the spandex waste silk, controlling the water temperature at 30-40 ℃, stirring for 2-3 hours, taking out, washing and drying the spandex waste silk, ⑵ randomly arranging the spandex waste silk, enabling the space between the spandex waste silk to be less than or equal to 10mm and the thickness to be 5-10 mm to form a fiber web structure, ⑶ weighing low-temperature hot melt adhesive, heating to 110-120 ℃ to melt the low-temperature hot melt adhesive into liquid state, dividing the liquid melt adhesive into two equal parts, ⑷ spraying the two equal parts of the liquid hot melt adhesive onto the upper surface and the lower surface of a spandex fiber web by using a spray gun, ⑸ continuously passing the spandex fiber web through two machines (firstly heating and then cooling) to pressurize, so that the low-temperature hot melt adhesive on the upper surface and the lower surface of the fiber web is remelted, flowed.
Description
Technical Field
The invention relates to a preparation method of spandex waste silk non-woven fabric, belonging to the technical field of non-woven fabric production.
Background
At present, the yield of spandex shows a trend of increasing year by year, and the quantity of waste spandex filament is increased year by year along with the increase of the yield of the spandex filament. With the improvement of environmental awareness of people, how to realize low pollution and reasonable utilization of waste spandex silk becomes a problem to be solved urgently by government departments and technical staff. The method adopted by the patent for recycling the spandex waste silk is different from that of some patents and documents published in China. For example: patent CN201510554827 "a method for efficiently regenerating spandex filament from dry spinning spandex waste filament" and patent CN201110158747 "a method for recovering and producing spandex filament from spandex waste filament" both disclose a technology for spinning spandex waste filament again, but the processes of the two patents for recovering and utilizing spandex waste filament use DMAC solvent which pollutes the environment again, and the energy consumption is more in the process of re-spinning. The invention discloses a technology for producing decorative composite boards by using waste spandex filaments and waste polyurethane materials in patent CN201210501841, which can prepare high-strength composite materials with different densities and different hardness, improves the utilization rate of the waste polyurethane materials, solves the problem of recycling the waste spandex and the waste polyurethane materials, is energy-saving and environment-friendly, but only uses the spandex and the heat-insulating polyurethane materials as fillers and abandons the performances of the materials.
The invention prepares the waste spandex filament into the spandex non-woven fabric through the hot rolling bonding process, not only develops a novel elastic non-woven fabric, but also develops a new way for changing waste spandex filament into valuable and recycling the waste spandex filament in an environment-friendly way. The non-woven fabric breaks through the traditional spinning principle and has the characteristics of short process flow, high production speed, high yield, low cost, wide application, multiple raw material sources and the like. The non-woven fabric product is rich in color, bright and beautiful, fashionable and environment-friendly, wide in application, attractive and elegant, various in patterns and styles, light in weight, environment-friendly and recyclable, and is internationally recognized as an environment-friendly product for protecting the ecology of the earth.
The invention has the innovation points that the waste spandex silk is used as the base cloth, the low-temperature hot melt adhesive is used as the adhesive, and the novel thermal bonding process is combined to prepare the non-woven fabric, so that the environmental protection benefits of no pollution and less energy consumption in the process are realized, and the prepared non-woven spandex fabric has the characteristics of high filling power, softness, good elasticity, strong permeability and the like. The spandex non-woven fabric has wide subsequent application and can be used in the following aspects:
1) medical treatment and health: surgical gowns, caps, covers, plaster absorbent cotton, feminine sanitary napkins, baby diapers, wet face napkins, sanitary underpants, dust covers.
2) The industry is soft disc lining, trumpet cloth, filter material, sound insulation felt of sound box, glass fiber reinforced plastic reinforcement towel;
3) making shoes with clothing, including clothing lining, flocculus, toe cap hard lining, heel lining, warm keeping shoe lining and cloth shoe bottom lining;
4) in the automobile industry, the heat insulation felt, the shockproof felt, the ceiling, the cushion lining, the carpet, the door lining, the automobile filter element and the formed cushion;
disclosure of Invention
The technical problem is as follows: the invention aims to provide a spandex waste silk non-woven fabric and a preparation method thereof, which are characterized in that the spandex waste silk is made into the spandex non-woven fabric through a hot rolling bonding process, the environmental protection benefits of no pollution and less energy consumption in the process are realized, and the prepared spandex non-woven fabric has the characteristics of high bulkiness, softness, good elasticity, strong permeability and the like, the original elastic characteristics of spandex are fully reserved, and the product can be suitable for multiple life and industrial fields.
The technical scheme is as follows: the preparation method of the spandex waste silk non-woven fabric comprises the following steps:
1) putting the waste spandex filaments into a stirring kettle, adding water to immerse the waste spandex filaments, adding a fiber cleaning agent accounting for 0.5-2% of the weight of the waste spandex filaments, washing the mixture with water, stirring the mixture for 2-3 hours, taking out the mixture, washing and drying the mixture to achieve the effects of removing oil and dirt and dispersing the waste spandex filaments;
2) weighing the spandex waste silk treated in the step 1) in a metering manner, and randomly arranging to form a fiber web structure;
3) weighing the low-temperature hot melt adhesive according to the weight ratio of the set spandex waste silk to the low-temperature hot melt adhesive, heating and melting the low-temperature hot melt adhesive into liquid hot melt adhesive, and equally dividing the liquid hot melt adhesive into two equal parts;
4) spraying one part of the liquid hot melt adhesive in the step 3) to the upper surface of the spandex fiber net by using a spray gun, cooling, turning the spandex fiber net over after the hot melt adhesive on the upper surface of the spandex fiber net is solidified, spraying the rest of the liquid hot melt adhesive to the lower surface of the spandex fiber net by using the spray gun, and cooling for 1-2 min to obtain the spandex fiber net with the shaped upper and lower surfaces;
5) heating and pressurizing the spandex fiber net prepared in the step 4) through a first hot rolling mill, so that the low-temperature hot melt adhesive on the upper surface and the lower surface of the spandex fiber net is remelted, flows, diffuses and permeates into spandex fibers and then is condensed on cross points of the compressed spandex fibers, the spandex fiber net is directly sent into a second hot rolling mill to be only pressurized without being heated after coming out of a roller of the first hot rolling mill, and the low-temperature hot melt adhesive is rapidly cooled under the action of a normal-temperature roller, so that the whole spandex fiber net is reinforced to form the hot-rolled bonded spandex non-woven fabric.
Wherein:
controlling the temperature of the washing water in the step 1) to be 30-40 ℃, and stirring for 2-3 hr.
And 2) randomly arranging the waste spandex yarns into a spandex yarn space not more than 10mm and a thickness of 5-10 mm to form a fiber web structure.
The weight ratio of the spandex waste silk to the low-temperature hot melt adhesive in the step 3) is as follows: 70-80% of spandex waste silk and 20-30% of low-temperature hot melt adhesive.
Heating the low-temperature hot melt adhesive in the step 3) to 110-120 ℃ to melt the low-temperature hot melt adhesive into liquid hot melt adhesive,
in the step 4), the cooling time is 1-2 min.
The temperature of two rollers of the first hot rolling mill is 130-140 ℃, and the temperature of the rollers is higher than the melting point of the low-temperature hot melt adhesive, so that the heat is transmitted to the inner layer of the fiber web and can still reach the melting point of the low-temperature hot melt adhesive.
In the two hot rolling mills, the contact between the roller and the roller is not a straight line, but is a contact strip with a certain width, and the width of the contact strip is 0.2-1 mm.
In the two hot rolling mills, the rotating linear speed of the rollers is 0.01-0.02 m/s, so that the fiber web is heated, and the hot melt adhesive has enough time to flow and diffuse.
The low-temperature hot melt adhesive is one or a mixture of polyamide, polyester, polyethylene or polyester amide, and has a melting point of 105-115 ℃.
Has the advantages that: the invention has the following advantages:
1) the preparation process of the spandex waste silk non-woven fabric disclosed by the invention is innovative, the process is simple and suitable for industrial large-scale production, no solvent which pollutes the environment is used in the process of recycling the spandex waste silk, the energy consumption is low, and the environment-friendly value is very high.
2) The method for preparing the spandex waste silk non-woven fabric has originality, the upper surface and the lower surface of a spandex waste silk fiber net are shaped, and then the fiber net is subjected to treatment by two continuous hot rolling machines (hot rolling and cold rolling), so that the low-temperature hot melt adhesive on the surface of the spandex fiber net is melted, diffused, permeated and bonded, and the fiber net is reinforced to obtain the spandex non-woven fabric with controllable thickness.
3) The spandex non-woven fabric prepared from the spandex waste silk has the characteristics of high filling power, softness, good elasticity, strong permeability and the like, the original elastic characteristic of spandex is fully reserved, and the product can be suitable for multiple life and industrial fields.
Detailed Description
The preparation method of the spandex waste silk non-woven fabric comprises the following steps:
1) putting the waste spandex filaments into a stirring kettle, adding water for immersion, adding a fiber cleaning agent accounting for 0.5-2% of the weight of the waste spandex filaments, controlling the water temperature at 30-40 ℃, stirring for 2-3 hr, taking out, washing and drying to achieve the effects of removing oil and dirt and dispersing the waste spandex filaments;
2) weighing the waste spandex filaments treated in the step 1) in a metering manner, and randomly arranging the waste spandex filaments, wherein the space between the spandex filaments is less than or equal to 10mm, and the thickness of the waste spandex filaments is 5-10 mm to form a fiber web structure;
3) weighing the low-temperature hot melt adhesive according to the weight ratio of the set spandex waste silk to the low-temperature hot melt adhesive, heating the low-temperature hot melt adhesive to 110-120 ℃ to melt the low-temperature hot melt adhesive into a liquid state, and equally dividing the liquid state into two equal parts;
4) spraying one part of the liquid hot melt adhesive in the step 3) to the upper surface of the spandex fiber net by using a spray gun, cooling for 1-2 min, turning over the spandex fiber net after the hot melt adhesive on the upper surface of the spandex fiber net is solidified, spraying the rest of the liquid hot melt adhesive to the lower surface of the spandex fiber net by using the spray gun, and cooling for 1-2 min to obtain the spandex fiber net with the shaped upper and lower surfaces;
5) heating and pressurizing the spandex fiber web prepared in the step 4) through a first hot rolling mill, so that the low-temperature hot melt adhesive on the upper surface and the lower surface of the fiber web is remelted, flows, diffuses and permeates into the spandex fibers and then is condensed on the cross points of the compressed spandex fibers, the spandex fiber web is directly sent into a second hot rolling mill to be only pressurized without being heated after coming out of a roller of the first hot rolling mill, and the low-temperature hot melt adhesive is rapidly cooled under the action of a normal-temperature roller, so that the whole fiber web is reinforced to form the hot-rolled bonded spandex non-woven fabric;
example 1:
step 1, putting the waste spandex filaments into a stirring kettle, adding water to immerse the waste spandex filaments, adding a fiber cleaning agent which is 1% of the weight of the spandex filaments, controlling the water temperature at 40 ℃, stirring for 2 hours, taking out the waste spandex filaments, washing and drying the waste spandex filaments to achieve the effects of removing oil and dirt and dispersing the waste spandex filaments;
step 2, taking 400g of the waste spandex filaments treated in the step 1) to be randomly arranged on a flat plate with the square meter of 1, and ensuring that the space between the spandex filaments is less than or equal to 10mm and the thickness is about 8mm to form a fiber web structure;
step 3, heating 100g of polyethylene hot melt adhesive to 110 ℃ to melt the polyethylene hot melt adhesive into liquid state, and dividing the polyethylene hot melt adhesive into two equal parts;
step 4, spraying one part of liquid hot melt adhesive to the upper surface of the spandex fiber net by using a spray gun, cooling for 1min, turning over the spandex fiber net after the hot melt adhesive on the upper surface of the spandex fiber net is solidified, spraying the rest part of liquid hot melt adhesive to the lower surface of the spandex fiber net by using the spray gun, and cooling for 1min to obtain the spandex fiber net with the shaped upper and lower surfaces;
step 5, heating and pressurizing the prepared spandex fiber web through a first hot rolling mill, wherein the temperature of a roller is 130 ℃, the rotating linear speed of the roller is 0.01m/s, so that the low-temperature hot melt adhesive on the upper surface and the lower surface of the fiber web is remelted, flows, diffuses and permeates into the spandex fiber and then is condensed on the cross point of the compressed spandex fiber, the spandex fiber web is directly sent into a second hot rolling mill to be only pressurized without being heated after coming out of the roller of the first hot rolling mill, and the low-temperature hot melt adhesive is rapidly cooled under the action of a normal-temperature roller, so that the whole fiber web is reinforced to form hot-rolled bonded spandex non-woven fabric, wherein the thickness of the spandex non-woven fabric is about 2 mm;
example 2:
step 1, putting the waste spandex filaments into a stirring kettle, adding water to immerse the waste spandex filaments, adding a fiber cleaning agent with the weight of 2% of the weight of the spandex filaments, controlling the water temperature at 40 ℃, stirring for 3 hours, taking out the waste spandex filaments, washing and drying the waste spandex filaments to achieve the effects of removing oil and dirt and dispersing the waste spandex filaments;
step 2, randomly arranging 100g of the spandex waste silk treated in the step 1) on a flat plate with the square meter of 1m, and ensuring that the space between spandex silk is less than or equal to 10mm and the thickness is about 3mm to form a fiber web structure;
step 3, heating 25g of polyamide hot melt adhesive to 120 ℃ to melt the polyamide hot melt adhesive into liquid state, and dividing the liquid state into two equal parts;
step 4, spraying one part of liquid hot melt adhesive to the upper surface of the spandex fiber net by using a spray gun, cooling for 2min, turning over the spandex fiber net after the hot melt adhesive on the upper surface of the spandex fiber net is solidified, spraying the rest part of liquid hot melt adhesive to the lower surface of the spandex fiber net by using the spray gun, and cooling for 2min to obtain the spandex fiber net with the shaped upper and lower surfaces;
and 5, heating and pressurizing the prepared spandex fiber web through a first hot rolling mill, wherein the temperature of a roller is 140 ℃, the rotating linear speed of the roller is 0.02m/s, so that the low-temperature hot melt adhesive on the upper surface and the lower surface of the fiber web is remelted, flows, diffuses and permeates into the spandex fiber and then is condensed on the cross point of the compressed spandex fiber, the spandex fiber web is directly sent into a second hot rolling mill to be only pressurized without being heated after coming out of the roller of the first hot rolling mill, and the low-temperature hot melt adhesive is rapidly cooled under the action of a normal-temperature roller, so that the whole fiber web is reinforced to form the hot-rolled bonded spandex nonwoven fabric, and the thickness of the spandex nonwoven fabric is about 0.5 mm.
Claims (8)
1. A preparation method of spandex waste silk non-woven fabric is characterized in that: the preparation method comprises the following steps:
1) putting the waste spandex filaments into a stirring kettle, adding water to immerse the waste spandex filaments, adding a fiber cleaning agent accounting for 0.5-2% of the weight of the waste spandex filaments, washing the mixture with water, stirring the mixture for 2-3 hours, taking out the mixture, washing and drying the mixture to achieve the effects of removing oil and dirt and dispersing the waste spandex filaments;
2) weighing the spandex waste silk treated in the step 1) in a metering manner, and randomly arranging to form a fiber web structure;
3) weighing the low-temperature hot melt adhesive according to the weight ratio of the set spandex waste silk to the low-temperature hot melt adhesive, heating and melting the low-temperature hot melt adhesive into liquid hot melt adhesive, and equally dividing the liquid hot melt adhesive into two equal parts;
4) spraying one part of the liquid hot melt adhesive in the step 3) to the upper surface of the spandex fiber net by using a spray gun, cooling, turning the spandex fiber net over after the hot melt adhesive on the upper surface of the spandex fiber net is solidified, spraying the rest of the liquid hot melt adhesive to the lower surface of the spandex fiber net by using the spray gun, and cooling for 1-2 min to obtain the spandex fiber net with the shaped upper and lower surfaces;
5) heating and pressurizing the spandex fiber net prepared in the step 4) through a first hot rolling mill, so that the low-temperature hot melt adhesive on the upper surface and the lower surface of the spandex fiber net is remelted, flows, diffuses and permeates into the spandex fiber net and then is condensed on the cross point of the compressed spandex fiber net, the spandex fiber net is directly sent into a second hot rolling mill after coming out of a roller of the first hot rolling mill and is only pressurized without being heated, and the low-temperature hot melt adhesive is rapidly cooled under the action of a normal-temperature roller, so that the whole spandex fiber net is reinforced to form the hot-rolled bonded spandex non-woven fabric;
wherein the weight ratio of the spandex waste silk and the low-temperature hot melt adhesive in the step 3) is as follows: 70-80% of spandex waste silk and 20-30% of low-temperature hot melt adhesive;
the temperature of two rollers of the first hot rolling mill is 130-140 ℃, and the temperature of the rollers is higher than the melting point of the low-temperature hot melt adhesive, so that the heat is transmitted to the inner layer of the fiber web and can still reach the melting point of the low-temperature hot melt adhesive.
2. The method for preparing the spandex waste silk non-woven fabric according to claim 1, characterized in that: controlling the temperature of the washing water in the step 1) to be 30-40 ℃, and stirring for 2-3 hr.
3. The method for preparing the spandex waste silk non-woven fabric according to claim 1, characterized in that: and 2) randomly arranging the waste spandex yarns into a spandex yarn space not more than 10mm and a thickness of 5-10 mm to form a fiber web structure.
4. The method for preparing the spandex waste silk non-woven fabric according to claim 1, characterized in that: and 3) heating the low-temperature hot melt adhesive to 110-120 ℃ to melt the low-temperature hot melt adhesive into liquid hot melt adhesive.
5. The method for preparing the spandex waste silk non-woven fabric according to claim 1, characterized in that: in the step 4), the cooling time is 1-2 min.
6. The method for preparing the spandex waste silk non-woven fabric according to claim 1, characterized in that: the first hot rolling mill and the second hot rolling mill are not in straight line contact with the roller, but are contact belts with certain width, and the width of each contact belt is 0.2-1 mm.
7. The method for preparing the spandex waste silk non-woven fabric according to claim 1, characterized in that: the first hot rolling mill and the second hot rolling mill have the advantages that the rotating linear speed of the rollers is 0.01-0.02 m/s, and the fiber webs are enabled to be heated, and the hot melt adhesive can flow and diffuse for enough time.
8. The non-woven fabric of spandex waste silk and the preparation method thereof according to claim 1 are characterized in that: the low-temperature hot melt adhesive is one or a mixture of polyamide, polyester, polyethylene or polyester amide, and has a melting point of 105-115 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079538.4A CN108035069B (en) | 2018-01-26 | 2018-01-26 | Preparation method of spandex waste silk non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810079538.4A CN108035069B (en) | 2018-01-26 | 2018-01-26 | Preparation method of spandex waste silk non-woven fabric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108035069A CN108035069A (en) | 2018-05-15 |
| CN108035069B true CN108035069B (en) | 2020-03-31 |
Family
ID=62097454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810079538.4A Active CN108035069B (en) | 2018-01-26 | 2018-01-26 | Preparation method of spandex waste silk non-woven fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108035069B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973346A (en) * | 2020-09-03 | 2020-11-24 | 贵州卡布婴童用品有限责任公司 | Pressure-reducing waistline of paper diaper and manufacturing process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160106A (en) * | 1997-02-25 | 1997-09-24 | 俞祥根 | Process for pretreatment of real silk fibre and fabrics thereof |
| CN1424450A (en) * | 2003-01-03 | 2003-06-18 | 谢道训 | Production of nonwoven fabrics by pomace air flow netting |
| CN102182015A (en) * | 2011-05-06 | 2011-09-14 | 浙江弘扬无纺新材料有限公司 | Method for producing artificial leather base material by compounding collagen fibers by utilizing spun-laced water jetting |
| CN107083020A (en) * | 2017-05-19 | 2017-08-22 | 常熟市奥欣复合材料有限公司 | The recycling method of carbon fiber and its product |
-
2018
- 2018-01-26 CN CN201810079538.4A patent/CN108035069B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160106A (en) * | 1997-02-25 | 1997-09-24 | 俞祥根 | Process for pretreatment of real silk fibre and fabrics thereof |
| CN1424450A (en) * | 2003-01-03 | 2003-06-18 | 谢道训 | Production of nonwoven fabrics by pomace air flow netting |
| CN102182015A (en) * | 2011-05-06 | 2011-09-14 | 浙江弘扬无纺新材料有限公司 | Method for producing artificial leather base material by compounding collagen fibers by utilizing spun-laced water jetting |
| CN107083020A (en) * | 2017-05-19 | 2017-08-22 | 常熟市奥欣复合材料有限公司 | The recycling method of carbon fiber and its product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108035069A (en) | 2018-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104762756B (en) | Natural silk facial mask base cloth and preparation method thereof | |
| CN104963099B (en) | A kind of production technology of milky white hydrophilic skin care surface layer non-woven cloth | |
| CN107475893A (en) | Super soft infant is with wet method spun lacing composite non-weaving cloth and production method | |
| CN110965208B (en) | Preparation method for manufacturing polypropylene non-woven fabric by spinning and melting method and non-woven fabric product | |
| JP2016540134A (en) | Improved body garment having a discontinuous elastic polymer composition | |
| CN101671888B (en) | Blended yarn containing bamboo pulp fibers and processing method thereof | |
| CN108035069B (en) | Preparation method of spandex waste silk non-woven fabric | |
| CN110435250B (en) | Wool knitted shorn sheepskin-like fabric and production process thereof | |
| CN206599631U (en) | A kind of bamboo charcoal fiber blended with yarns | |
| CN102978962A (en) | Processing method of one-sided terry fabrics | |
| CN103757822A (en) | Bubble type flexible non-woven cloth and manufacturing method thereof | |
| CN108823816A (en) | A kind of spun-bonded non-woven fabrics and pure cotton fiber are combined into spunlace non-woven cloth material and technique | |
| CN108543349A (en) | A kind of gradient filtration multilayer spun lacing needle-punched composite and its production technology | |
| CN102934963B (en) | The preparation method of a kind of environment-friendlydegradable degradable wet tissue material | |
| CN105908302B (en) | A kind of preparation method of composite chiffon fabric | |
| CN105063779B (en) | A kind of chemical resistance composite monofilament and preparation method thereof | |
| CN102747526A (en) | Coffee carbon jade fiber knitting fabric | |
| CN109267238A (en) | A kind of production method of thread silks face paper | |
| CN107475894A (en) | A kind of nonwoven fabrics for wiping applications for catering industry | |
| CN215921441U (en) | Scrubbing-resistant non-woven fabric | |
| CN109338498A (en) | A kind of production method of nice and cool nylon fibre | |
| CN103862826A (en) | Production method of super-soft knitted composite fabric | |
| CN107419424A (en) | A kind of Thermoheat hygroscopic heating fibers cloud blanket | |
| CN109910382B (en) | Production process of lace needle-punched composite fabric | |
| CN104647817B (en) | A kind of waterproof overlay film woollen overcoating and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1788, Dongshan Economic Development Zone, Ruian, Wenzhou, Zhejiang Patentee after: Huafeng Chemical Co.,Ltd. Address before: No. 1788, Dongshan Economic Development Zone, Ruian, Wenzhou, Zhejiang Patentee before: ZHEJIANG HUAFENG SPANDEX Co.,Ltd. |