CN103732824A - Super absorbent yarn and method for manufacturing same - Google Patents
Super absorbent yarn and method for manufacturing same Download PDFInfo
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- CN103732824A CN103732824A CN201280038360.XA CN201280038360A CN103732824A CN 103732824 A CN103732824 A CN 103732824A CN 201280038360 A CN201280038360 A CN 201280038360A CN 103732824 A CN103732824 A CN 103732824A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/345—Nitriles
- D06M13/348—Nitriles unsaturated, e.g. acrylonitrile
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/395—Isocyanates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
- D06M2101/36—Aromatic polyamides
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2967—Synthetic resin or polymer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2967—Synthetic resin or polymer
- Y10T428/2969—Polyamide, polyimide or polyester
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Multicomponent Fibers (AREA)
Abstract
Disclosed are a super absorbent yarn and a method for manufacturing same, in which a coating of a super absorbent substance strengthens the yarn and minimizes the reduction in stretchability thereof, and additionally can minimize the generation of white powder that can pose difficulties during a manufacture process for optical cables. The super absorbent yarn according to the present invention comprises a yarn and a super absorbent material coated thereon, wherein the super absorbent material comprises crosslinked polyurethane.
Description
Technical field
The method that the present invention relates to super-absorbert yarn and prepare this yarn, more specifically, a kind of method that relates to super-absorbert yarn and prepare this yarn, described yarn can be reduced to bottom line by the reduction of its intensity and percentage elongation after being coated with super-absorbert material, and can will in optical cable preparation process, may produce and cause the white powder of processing difficulties to be reduced to bottom line.
Background technology
Super-absorbert yarn can be as the reinforcement using in optical cable and the member that blocks water.
In preparing the method for super-absorbert yarn, there is a kind of method comprising the steps: the water-insoluble super-absorbert material impregnated yarn with being dispersed in water, is then dried.Yet according to the method, because the macromolecular structure of super-absorbert material is suppressed its dipping to yarn, thereby can not prepares and there is gratifying absorbefacient yarn.
United States Patent (USP) 5,635, discloses a kind of method of improving dipping in 569.According to the method, the water-in-oil emulsion impregnated yarn that comprises super-absorbert material by using in water is then dried to prepare the yarn that is coated with super-absorbert material.Yet the method also has obvious shortcoming.In dry run, can produce the material isohexadecane for example cause environmental problem, and this needs extra equipment and expense process these harmful substances.
In order to address these problems, United States Patent (USP) 5,100,397, United States Patent (USP) 6,319, and 558 and United States Patent (USP) 6,284,367 have proposed respectively the method comprising the steps: by the aqueous solution coating or the impregnated substrate that comprise water-soluble and crosslinkable polymer, then heat-treat so that this water-soluble polymer is crosslinked, thereby be translated into water-insoluble super-absorbert material.
Said method need at high temperature carry out long heat treatment to yarn, so that have crosslinked water-soluble polymer to be cross-linked to completely, can not form the degree with high-level absorbefacient water-insoluble materials.Yet, at high temperature carry out long heat treatment meeting and cause yarn to damage, thereby reduce intensity and the percentage elongation of yarn.The decline of intensity and percentage elongation is the critical defect that should be used as the yarn of optical cable reinforcement.And, owing at high temperature carrying out long heat treatment meeting, reduce productivity ratio and need a large amount of energy consumptions, so these methods exist deficiency from economic angle.
In addition,, because conventional super-absorbert material enbrittles, while therefore super-absorbert yarn being passed to guider (guide) in optical cable preparation process, there is fracture and produce white powder in the polymeric layer being coated on yarn.The white powder producing in optical cable preparation process can cause defective product.
Summary of the invention
Technical problem
Therefore, a kind of method that the present invention relates to super-absorbert yarn and prepare this yarn, described yarn can prevent these limitations and the shortcoming in correlation technique.
An aspect of of the present present invention provides a kind of super-absorbert yarn, described yarn can be reduced to bottom line by the reduction of its intensity and percentage elongation after being coated with super-absorbert material, and can will in optical cable preparation process, may produce and cause the white powder of processing difficulties to be reduced to bottom line.
Another aspect of the present invention provides a kind of method of preparing super-absorbert yarn, described yarn can be reduced to bottom line by the reduction of its intensity and percentage elongation after being coated with super-absorbert material, and can will in optical cable preparation process, may produce and cause the white powder of processing difficulties to be reduced to bottom line.
For other advantage of the present invention, object and feature, part will be set forth in the following description, and part will become apparent when hereinafter described testing those of ordinary skills or can acquistion to practice of the present invention.Object of the present invention and other advantage can be realized and be obtained by specifically noted structure in description and claim thereof.
Technical scheme
According to an aspect of the present invention, provide a kind of super-absorbert yarn, comprising: yarn; With the super-absorbert material being coated on described yarn, wherein, described super-absorbert material comprises crosslinked polyurethane.
According to a further aspect in the invention, provide a kind of method of preparing super-absorbert yarn, the method comprises: prepare dispersions of polyurethanes; The first crosslinking agent is added and in dispersions of polyurethanes, prepares coating solution; Coating solution is applied on yarn; Then, at 50 ℃, at 90 ℃, yarn is heat-treated; With yarn from heat treated, remove residual moisture.
The describe, in general terms more than providing and the detailed description providing be below only for illustrating the present invention, and should be interpreted as providing limited in the claims for the more detailed description of the present invention.
Beneficial effect
According to the present invention, super-absorbert material fully and is equably coated on yarn, make yarn can there is gratifying absorbability; And, can prepare super-absorbert yarn in the situation that do not produce any harmful substance of environmental problem that causes.In addition, because yarn is heat-treated at relatively low temperature, so the intensity of this yarn and the decline of percentage elongation can be reduced to bottom line.
In addition, because the super-absorbert material being coated with on yarn of the present invention has relatively high flexiblely, therefore, when for the preparation of optical cable, the possibility that super-absorbert yarn of the present invention can make polymeric layer be broken into white powder is significantly down to bottom line.Therefore, super-absorbert yarn of the present invention can more easily be prepared optical cable, can reduce disqualification rate simultaneously.
The specific embodiment
Hereinafter, only for illustrational object, will describe in detail according to super-absorbert yarn of the present invention and the method for preparing this yarn.
One skilled in the art will appreciate that in the situation that not deviating from scope and spirit of the present invention, can carry out various modifications, interpolation and replacement.Therefore, the present invention includes all substitutions and modifications and the equivalent thereof in the scope of the invention falling into described in claim.
The super-absorbert material that super-absorbert yarn of the present invention comprises yarn and is coated with on described yarn.
Described yarn can be continuous multifilament.Particularly, will as the function of reinforcement, include in while considering, this yarn is preferably high-intensity multifilament.Therefore, yarn of the present invention can be formed by aromatic polyamides, ultra-high molecular weight polyethylene or polybenzoxazole.
Alternatively, described yarn can comprise and contains 1 to 20,000 monofilament and line density is the continuous aromatic polyamides multifilament of 50 to 1,500 DENIER.Although yarn can consist of single multifilament, also many combination of multifilaments can be got up form yarn.
The super-absorbert material of the present invention being coated with on described yarn comprises crosslinked polyurethane.Therefore, compare with the super-absorbert material that the ionomer by containing hydroxy-acid group and/or sulfonic acid group of routine forms, super-absorbert material of the present invention has relatively high flexible.Due to flexible, be improved, therefore, when preparing optical cable with super-absorbert yarn of the present invention, the possibility that makes polymeric layer be broken into white powder can be down to bottom line in preparation process.
According to the first embodiment of the present invention, described super-absorbert material comprises the polyurethane with the network structure by being cross-linked to form, and not containing any ionomer.
According to the second embodiment of the present invention, described super-absorbert material comprises the polyurethane as crosslinked in copolymer of polyacrylic acid, polyacrylamide, PMAm, acrylic acid and acrylamide etc. with ionomer.In this case, described ionomer and polyurethane are cross-linked with each other and form network structure.
Hereinafter, the method for preparing super-absorbert yarn of the present invention will be described in detail.
Method of the present invention comprises: prepare dispersions of polyurethanes; The first crosslinking agent is added and in dispersions of polyurethanes, prepares coating solution; Coating solution is applied on yarn; At 50 ℃, at 90 ℃, yarn is heat-treated; With yarn from heat treated, remove residual moisture.
Described dispersions of polyurethanes comprises water as decentralized medium, and can comprise the second crosslinking agent.This dispersions of polyurethanes can obtain by buying or preparing.
Hereinafter, will illustrate according to the method for preparing dispersions of polyurethanes of one embodiment of the invention.
First, glycol and vulcabond are reacted to each other, form polyurethane precursor.According to one embodiment of the invention, described glycol is polyethylene glycol (PEG), described vulcabond be 1,8-octane vulcabond (1,8-octanediisocianate) or hexyl methane diisocyanate (hexylmethanediisocianat-e).More specifically, described polyurethane precursor is by with glycol and vulcabond described in the mixed in molar ratio of 1:1 to 1:2, then at 70 to 90 ℃, adds hot mixt and makes.
Water is added in the polyurethane precursor making thus, and stir under 500 to 1,500rpm, prepare polyurethane precursor dispersion.
Alternatively, before the described polyurethane precursor dispersion of preparation, can be by the reduced viscosity of described polyurethane precursor.For example, the step that reduces the viscosity of polyurethane precursor can be carried out by the following method: in polyurethane precursor, add dibutyl tin laurate and acetone, thereby make the ratio of its solid constituent can reach 20 to 40%.Alternatively, the polyurethane precursor that makes reduced viscosity can be cooled to approximately 10 ℃.
Next, the aqueous solution that is wherein dissolved with the second crosslinking agent is added in above-mentioned polyurethane precursor dispersion, with 100 to 300rpm, it is stirred simultaneously, prepare mixture.According to one embodiment of the invention, diethylenetriamines is used as to described the second crosslinking agent.
Then, at 40 ℃ to 80 ℃, heat said mixture 1 to 3 hour to make dispersions of polyurethanes.The average grain diameter of the polyurethane in this dispersion is 1 to 1,000nm.Then described average grain diameter can be calculated its mean value 10 times and try to achieve by utilizing laser particle size analyzer (LS230, Culter, USA) to measure particle diameter.
Next, described the first crosslinking agent is added in the dispersions of polyurethanes making thus, prepare coating solution.
According to the first embodiment of the present invention, by for making the first crosslinking agent of polyurethane self-crosslinking add above-mentioned dispersions of polyurethanes to prepare coating solution.Described the first crosslinking agent can be methylene bisacrylamide.
According to the second embodiment of the present invention, by the monomer for ionomer, for the initator of the polymerization of described monomer with for making the first crosslinking agent of described ionomer and urethane crosslinks add above-mentioned dispersions of polyurethanes to prepare coating solution.
The described monomer for ionomer can be acrylic acid, acrylamide, Methacrylamide etc.; Described initator can be for Photoepolymerizationinitiater initiater be as potassium peroxydisulfate; Described the first crosslinking agent can be methylene bisacrylamide.
For example, 0.5 to 2% methylene bisacrylamide of 70 to 90% acrylamide of polyurethane solid constituent gross weight in above-mentioned dispersions of polyurethanes, this acrylamide gross weight and the potassium peroxydisulfate of scheduled volume can be added in this dispersions of polyurethanes, prepare described coating solution.
Then, the coating solution making is thus applied on yarn.That is, use coating solution coated yarn, so that the applied solution of this yarn floods.Various coating processes be can adopt, for example, painting, roller coat, printing (being net-point printing), spraying, brushing, wiping or dip-coating painted.
Next, to above-mentioned, through the impregnated yarn of coating solution, heat-treat, the polyurethane in coating solution can be cross-linked.By this heat treatment, in the first embodiment of the present invention, make polyurethane self-crosslinking, and in the second embodiment of the present invention, make polyurethane and ionomer be cross-linked, thereby finally form super-absorbert material on multifilament.
Can make continuous multifilament yarn carry out described heat treatment by heating unit.According to one embodiment of the invention, the temperature of heating unit (being heating-up temperature) is 50 to 90 ℃, and make continuous multifilament yarn pass through the heating unit time used (being heat time heating time), is 2 to 5 hours.
Then, from above-mentioned heat treated yarn, remove residual moisture (if any).Can by under atmospheric pressure with 100 ℃ or higher than 100 ℃ heating described heat treated yarns, under reduced pressure with 80 ℃ or higher than 80 ℃ heating these heat treated yarns remove residual moisture.
According to the present invention, be cross-linked required heat treatment temperature (being not less than 150 ℃) and compare to be enough to be converted into the degree of water-insoluble materials with making water-soluble polymer, heat treatment of the present invention can be carried out at lower temperature.Therefore, the invention has the advantages that and the decline of the intensity of yarn and percentage elongation can be reduced to bottom line, and this decline can be very serious while originally at high temperature heat-treating; And, this super-absorbert material can also be provided to the various substrates that are difficult to bear high-temperature heat treatment.
Hereinafter, with reference to embodiment and comparative example, beneficial effect of the present invention is described in further detail.Following examples are only illustrating of carrying out in order to be easier to understand the present invention, and the present invention is not limited to these embodiment.
embodiment 1
Mixed in molar ratio by polyethylene glycol and 1,8-octane vulcabond with 3:4, and at approximately 80 ℃ to its heating, prepare polyurethane precursor.In made polyurethane precursor, add dibutyl tin laurate and acetone, make the ratio of solid constituent become 30% and reduce the viscosity of this polyurethane precursor.Then, distilled water is added in described polyurethane precursor, with 1,000rpm, it is stirred, prepare polyurethane precursor dispersion simultaneously.Add wherein the diethylenetriamines aqueous solution and make mixture, and this mixture is stirred 2 hours at approximately 60 ℃, prepare dispersions of polyurethanes.Then, methylene bisacrylamide is added in made dispersions of polyurethanes, make coating solution.
The yarn that comprises continuous aromatic polyamides multifilament is immersed in the coating solution making thus, with this coating solution, yarn is flooded.
Next, at approximately 70 ℃, to heat-treating 3 hours through the impregnated yarn of coating solution, thereby can form on yarn, have by making the super-absorbert material of the network structure that polyurethane self-crosslinking forms.At approximately 120 ℃, described yarn is heated therefrom to remove any residual moisture, make the yarn of coating super-absorbert material.
embodiment 2
Acrylamide, methylene bisacrylamide and potassium peroxydisulfate are added in the dispersions of polyurethanes to prepare with the same way described in embodiment 1, make coating solution.
The yarn that comprises continuous aromatic polyamides multifilament is immersed in made coating solution, with this coating solution, yarn is flooded, then at approximately 70 ℃ to heat-treating 3 hours through the impregnated multifilament of coating solution, thereby can form on yarn, have by making the super-absorbert material of the crosslinked network structure forming of polyurethane and polyacrylamide.At approximately 120 ℃, described yarn is heated therefrom to remove any residual moisture, make the yarn of coating super-absorbert material.
comparative example 1
In the polyacrylic acid sodium water solution (SUBLOC-1000, SUSAN POLYMER Co., Ltd.) of 30wt%, add distilled water, the aqueous solution of the Sodium Polyacrylate that preparation comprises 10 % by weight.Then, continuous aromatic polyamides multifilament is immersed in the made aqueous solution, with this aqueous solution, multifilament is flooded.Then, at approximately 70 ℃, to heat-treating 3 hours through the impregnated multifilament of the aqueous solution, make the yarn of coating super-absorbert material.
comparative example 2
Use is flooded aromatic polyamides multifilament with the polyacrylic acid sodium water solution of preparing with the same way described in comparative example 1.Then, at approximately 200 ℃, to heat-treating 30 seconds through the impregnated multifilament of the aqueous solution, make the yarn of coating super-absorbert material.
Measure respectively according to the methods below embodiment 1 and 2 and comparative example 1 and 2 in water absorption rate, intensity, percentage elongation and the brittleness of made yarn, the results are shown in following table 1.
the measurement of yarn water absorption rate
Make the yarn of 2g and be cut to the sample of homogeneous length.Then, these samples are flooded 2 minutes respectively in 20 ℃ of distilled water of 500mL.Utilize centrifugation (2000rpm, 1min) from the sample soaking completely, to remove excessive water.Measure respectively through removing the weight of the sample of excessive water, then in the baking oven of 110 ℃, with hot-air, it is dried to 24 hours.Measure respectively the weight of the sample of drying, then according to formula below, calculate the water absorption rate of yarn:
The water absorption rate of yarn (%)=[(A-B)/B] * 100
Wherein, A is that B is the average weight with the sample after heated air drying through removing the average weight of the sample of excessive water.
the measurement of yarn strength and percentage elongation
According to ASTM D885, use the sample that Instron testing machine (Instron Engineering Corp., Canton, Mass) is 25cm to length to apply pulling force until sample breakage records fracture intensity and percentage elongation constantly.Rate of extension is 300mm/min, and initial load is fineness * 1/30g.Repeat to test 5 times, then calculate its mean value.
the measurement of yarn brittleness
The brittleness of yarn is in optical cable preparation process, to produce the performance of white powder.The stiffness of yarn is higher, and its brittleness is higher.Therefore, the brittleness of yarn is estimated indirectly by measuring its stiffness.According to the method for defined in ASTM D88538, measure the stiffness 10 times of yarn, and calculate its mean value.[table 1]
| ? | Water absorption rate (%) | Intensity (gf/d) | Percentage elongation (%) | Stiffness (gf) |
| Embodiment 1 | 200 | 22 | 2.91 | 20 |
| Embodiment 2 | 256 | 22 | 2.80 | 22 |
| Comparative example 1 | 72 | 22 | 2.85 | 29 |
| Comparative example 2 | 285 | 21 | 2.56 | 31 |
Claims (13)
1. a super-absorbert yarn, comprising:
Yarn; With
Be coated on the super-absorbert material on described yarn,
Wherein, described super-absorbert material comprises crosslinked polyurethane.
2. super-absorbert yarn according to claim 1, wherein, described super-absorbert material comprises the polyurethane with the network structure by being cross-linked to form.
3. super-absorbert yarn according to claim 1, wherein, described polyurethane and polyacrylic acid, polyacrylamide or PMAm are crosslinked.
4. super-absorbert yarn according to claim 1, wherein, described yarn is continuous aromatic polyamides multifilament.
5. a method of preparing super-absorbert yarn, the method comprises:
Prepare dispersions of polyurethanes;
The first crosslinking agent is added and in dispersions of polyurethanes, prepares coating solution;
Coating solution is applied on yarn;
Then, at 50 ℃, at 90 ℃, yarn is heat-treated; With
From heat treated yarn, remove residual moisture.
6. method according to claim 5, wherein, the described dispersions of polyurethanes of preparing comprises:
Make glycol and vulcabond react to each other to prepare polyurethane precursor;
Water is added and in polyurethane precursor, prepares polyurethane precursor dispersion;
The aqueous solution that is wherein dissolved with the second crosslinking agent is added in polyurethane precursor dispersion and prepares mixture; With
At 40 ℃, at 80 ℃, add hot mixt.
7. method according to claim 6, wherein, the described dispersions of polyurethanes of preparing is also included in and prepares the viscosity that reduces polyurethane precursor before polyurethane precursor dispersion.
8. method according to claim 7, wherein, the viscosity of described reduction polyurethane precursor by adding dibutyl tin laurate and acetone to carry out in polyurethane precursor.
9. method according to claim 6, wherein, described glycol is polyethylene glycol, described vulcabond is hexyl methane diisocyanate or 1,8-octane vulcabond.
10. method according to claim 6, wherein, described the second crosslinking agent is diethylenetriamines.
11. methods according to claim 5, wherein, described the first crosslinking agent is methylene bisacrylamide.
12. methods according to claim 11, wherein, also add acrylamide and in dispersions of polyurethanes, prepare coating solution.
13. methods according to claim 12, wherein, also add potassium peroxydisulfate and in dispersions of polyurethanes, prepare coating solution.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0077556 | 2011-08-04 | ||
| KR1020110077556A KR101382030B1 (en) | 2011-08-04 | 2011-08-04 | Superabsorbent Yarn and Method for Manufacturing The Same |
| PCT/KR2012/006195 WO2013019087A2 (en) | 2011-08-04 | 2012-08-03 | Super absorbent yarn and method for manufacturing same |
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| Publication Number | Publication Date |
|---|---|
| CN103732824A true CN103732824A (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201280038360.XA Pending CN103732824A (en) | 2011-08-04 | 2012-08-03 | Super absorbent yarn and method for manufacturing same |
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| Country | Link |
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| US (1) | US20140170416A1 (en) |
| EP (1) | EP2740838A4 (en) |
| KR (1) | KR101382030B1 (en) |
| CN (1) | CN103732824A (en) |
| WO (1) | WO2013019087A2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9354413B2 (en) * | 2013-01-18 | 2016-05-31 | Cable Components Group, Llc | Polymeric yarns for use in communications cables and methods for producing the same |
| KR101800085B1 (en) | 2015-11-13 | 2017-11-21 | 부산대학교 산학협력단 | Moisture superabsorbent composition using solvent type polyurethane and moisture absorbing fiber based textile using the compostion and a method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1346496A (en) * | 1998-11-24 | 2002-04-24 | 纳幕尔杜邦公司 | Fiber coated with water blocking material |
| CN1348520A (en) * | 1999-03-30 | 2002-05-08 | 施托克赫森两合公司 | Polymers that are cross-linkable to form superabsorbent polymers |
| CN1371407A (en) * | 1998-11-13 | 2002-09-25 | 欧文斯科尔宁格公司 | Superabsorbent water resistant coatings for fiber reinforced articles |
| CN101405453A (en) * | 2006-03-20 | 2009-04-08 | 纳幕尔杜邦公司 | Fabrics comprising ceramic particles and methods for making them |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0780970B2 (en) * | 1986-08-29 | 1995-08-30 | 三菱化学株式会社 | Method for manufacturing water-absorbent composite material |
| US5100397A (en) | 1989-06-14 | 1992-03-31 | Mcneil-Ppc, Inc. | Absorbent mixture |
| DE4429318A1 (en) | 1994-08-18 | 1996-02-22 | Bayer Ag | Superabsorbent polymers made from cross-linked polyacrylonitrile emulsions |
| US6284367B1 (en) | 1996-11-14 | 2001-09-04 | Neptco, Inc. | Process for the preparation of nonwoven water blocking tapes and their use in cable manufacture |
| UA61117C2 (en) | 1997-08-22 | 2003-11-17 | Process for manufacture of superabsorbent-coated yarn | |
| US7491778B2 (en) * | 1998-11-13 | 2009-02-17 | Neptco Jv Llc | Superabsorbent water-resistant coatings |
| KR20120070929A (en) * | 2010-12-22 | 2012-07-02 | 코오롱인더스트리 주식회사 | Aromatic polyamide fiber for optical cable and method for manufacturing the same |
| KR101366907B1 (en) * | 2011-08-03 | 2014-02-25 | 코오롱인더스트리 주식회사 | Method for Manufacturing Superabsorbent-Coated Yarn |
-
2011
- 2011-08-04 KR KR1020110077556A patent/KR101382030B1/en active IP Right Grant
-
2012
- 2012-08-03 EP EP12819383.6A patent/EP2740838A4/en not_active Withdrawn
- 2012-08-03 WO PCT/KR2012/006195 patent/WO2013019087A2/en active Application Filing
- 2012-08-03 US US14/236,861 patent/US20140170416A1/en not_active Abandoned
- 2012-08-03 CN CN201280038360.XA patent/CN103732824A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371407A (en) * | 1998-11-13 | 2002-09-25 | 欧文斯科尔宁格公司 | Superabsorbent water resistant coatings for fiber reinforced articles |
| CN1346496A (en) * | 1998-11-24 | 2002-04-24 | 纳幕尔杜邦公司 | Fiber coated with water blocking material |
| CN1348520A (en) * | 1999-03-30 | 2002-05-08 | 施托克赫森两合公司 | Polymers that are cross-linkable to form superabsorbent polymers |
| CN101405453A (en) * | 2006-03-20 | 2009-04-08 | 纳幕尔杜邦公司 | Fabrics comprising ceramic particles and methods for making them |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2740838A2 (en) | 2014-06-11 |
| US20140170416A1 (en) | 2014-06-19 |
| KR20130015523A (en) | 2013-02-14 |
| WO2013019087A2 (en) | 2013-02-07 |
| EP2740838A4 (en) | 2015-04-08 |
| WO2013019087A3 (en) | 2013-04-11 |
| KR101382030B1 (en) | 2014-04-14 |
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