CN103668553A - Blend fiber and production method and application thereof - Google Patents
Blend fiber and production method and application thereof Download PDFInfo
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- CN103668553A CN103668553A CN201210348404.0A CN201210348404A CN103668553A CN 103668553 A CN103668553 A CN 103668553A CN 201210348404 A CN201210348404 A CN 201210348404A CN 103668553 A CN103668553 A CN 103668553A
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Abstract
The invention provides a blend fiber and a production method thereof. The blend fiber contains 5wt%-40wt% of soluble copolyester, 60wt%-95wt% of polyamide and 0-15wt% of polyvinylpyrrolidone polymer. After the fiber is made into a fabric, dissolution treatment is performed under a proper alkali dissolution condition to remove the dissolving type copolyester in the fiber; a micropore structure is formed by the polyamide fiber in the fabric so that the fabric has good water absorption quick-drying performance; meanwhile, good moisture absorption performance of the fabric is realized through the polyvinylpyrrolidone polymer.
Description
Technical field
The present invention relates to a kind of blended fiber and manufacture method and purposes that polyamide is main body of take.
Background technology
Polyamide fiber also claims nylon fiber, refers to the polymer on macromolecular chain with amide group (CONH-) repetitive.Polyamide fiber has very important application in fibrous woven field, is very important chemical synthetic fiber.Nylon 6(polycaprolactam wherein) and nylon 66(PA 66) be the major product in nylon.The amide group in nylon, particularly nylon 6 and nylon 66 strands with strong polarity, easily forms hydrogen bond each other, and these design features are given nylon, and particularly nylon 6 and nylon 66 are with excellent combination property.
Polyamide fiber is a kind of in the chemical synthetic fiber that intensity is larger, there is rub resistance, resistance to flexural deformation, be difficult for producing wrinkle, be difficult for water suction, there is certain features such as moisture pick-up properties, polyamide fiber has good elasticity (elastic recovery rate can match in excellence or beauty with wool) simultaneously, (polyamide fiber proportion is 1.14 to also have light weight, in commercialization synthetic fiber, be only second to the polypropylene that proportion is less than 1), rotproofness, be not afraid of and damage by worms, be not afraid of the features such as mouldy, thereby at dress material, carpet, towel, artificial leather, fishing net, setlines etc. are widely used in various fields.
Polyamide fiber is chemical synthetic fiber, although have certain moisture pick-up properties, the application in the field that water imbibition or hygroscopicity are had relatively high expectations is still restricted.Although and natural fabric has good water suction hygroscopicity as textile, because its water retention rate is very high, wet transmitting performance is poor, range of application has also been subject to restriction.How to make a kind of fiber have to absorb water-lead simultaneously wet high-comfort can be the target that current many fiber research Zhe He procedure of fibre production producer lays siege to.
Along with the variation of everyday general purpose and personalized and manufacture high-grade daily clothes, carried out various trials and can reach the premium properties that natural fabric has, such as water absorbing properties, water vapour permeability etc. with expectation.The fabric now also except water absorbing properties with pleasant sensation performance has obtained application in some high-grade sportswear fields, so that when wearing sportswear, can keep comfortable, can wear state.
Following clothing is with fabric by the general orientation development towards comfortable, healthy, and water-absorbing fast-drying fabric is exactly one of important indicator fabric wherein.Here " water-absorbing fast-drying " is to instigate not hydrophilic fabric to have water imbibition and rapid-drying properties simultaneously, general water, and natural fabric or synthetic fiber are all difficult to take into account this two kinds of performances.But water-absorbing fast-drying technology can be accomplished this point.Water-absorbing fast-drying fiber is that the capillarity of utilizing fiber surface minute aperture (groove) to produce makes sweat through effects such as wicking, diffusion, transmission, moves to rapidly fabric face and distributes, thereby reaching the object of water-absorbing fast-drying.Water-absorbing fast-drying fiber is the functional fibre that is conceived to water suction, rapid-curing cutback characteristic and clothes comfortableness.
Water-absorbing fast-drying fiber, mainly by fiber section abnormity, as trilobal shape, cross shape etc., produces capillarity at present, realizes water-absorbing fast-drying performance.But the water absorbing properties that this fiber produces can't meet client's demand completely, need the more desirable functional fibre with wicking function.
Summary of the invention
The object of this invention is to provide a kind of blended fiber, in this fiber, contain dissolution type copolyesters, polyamide, polyvinyl pyrrolidone polymers, this fiber is made after fabric, under suitable alkali dissolution conditions, carry out stripping property processing and get rid of the dissolution type copolyesters in fiber, polyamide fiber in fabric forms micro hole construction, makes fabric have good water-absorbing fast-drying performance; By polyvinyl pyrrolidone polymers, more give the moisture pick-up properties that fabric is good simultaneously.
Technical solution of the present invention is, a kind of blended fiber wherein contains the polyvinyl pyrrolidone polymers of the solubility copolyesters of 5～40 % by weight, the polyamide of 60～95 % by weight and 0～15 % by weight.
The polyvinyl pyrrolidone polymers that preferably contains 1.8～15 % by weight in blended fiber.
Described polyamide polymer is preferably polycaprolactam amine polymer or is PA 66 polymer, has amide group (CONH-) on its macromolecular chain.
The main repetitive of the preferred solubility copolyesters of the present invention is ethylene glycol terephthalate unit, in copolyesters, also containing is the polyethylene glycol unit of 5～30 % by weight with respect to copolyesters total amount, 5-sodium sulfonate-ethylene isophthalate the unit that is 1.5～4.5mol% with respect to sour composition total mole number, and the M-phthalic acid unit of 0～10mol%.
The molecular weight of described polyethylene glycol unit is 400～10000.
Blended fiber of the present invention can be obtained by following method: by section A60～95 weight portion that contains polyamide polymer and polyvinyl pyrrolidone polymers, with solubility copolyester section B5～40 weight portion, evenly mixing, melting, ejection, spinning, batch, obtain blended fiber, in described section A, the content of polyvinyl pyrrolidone polymers is 0～15 % by weight.
In the present invention, solubility copolyester section is pore former, there is alkali solubility, its main repetitive is ethylene glycol terephthalate unit, in copolyesters, also containing is the polyethylene glycol unit of 5～30 % by weight with respect to copolyesters total amount, 5-sodium sulfonate-ethylene isophthalate the unit that is 1.5～4.5mol% with respect to sour composition total mole number, and the M-phthalic acid unit of 0～10mol%.
The use amount of solubility copolyester section B is 5～40 weight portions, if amount surpasses 40 weight portions, the spinnability in spinning process is poor; If amount is lower than 5 weight portions, blended fiber is after the molten processing of alkali, and the fine hole count forming in fiber is not enough, water-absorbing fast-drying poor-performing.
In described section A, the content of polyvinyl pyrrolidone polymers is preferably 3～15.8 % by weight.Content is too low, and moisture pick-up properties is poor; Content is too high, and the spinnability in spinning process is poor.
In described section A, the K value of polyvinyl pyrrolidone polymers is 20～70.
The present invention's polyvinylpyrrolidone used is hygroscopic agent, and its K value is 20～70, preferably 20～60.Even if the too low PVP of K value is blended in fiber, because the complexing with polyamide strand described later is very weak, during the water treatment of blended fiber process, polyvinylpyrrolidone major part is easy to separate out.So in order to obtain desired high moisture-absorption characteristics, a large amount of PVP is blended in polyamide with regard to having to, production efficiency is declined.In addition, when K value is too high, greatly increased the viscosity of main polymer polyamide, melting spues and becomes difficult.
Stripping property polymer of the present invention is introduced sulfonate groups in polyester molecule chain, because sulfonate groups is polarity hydrophilic radical, there is sucting electronic effect, changed the regularity of polyester molecule chain simultaneously, in process in leaching, be conducive to the carrying out of infiltration and the alkali stripping of water.But due to the formed sterically hindered and polar effect of sulfonate groups, cause melt viscosity sharply to rise, can affect spinnability.Therefore under the prerequisite of maintenance polymer alkali solubility energy, introduce soft segment polyethylene glycol unit, greatly improve the rigidity of the molecule of polymer, improve the spinnability of polymer, simultaneously the dissolving out capability of further this polymer of raising.
The present invention is by polyamide polymer and polyvinyl pyrrolidone polymers, the blend of copolymerization dissolution type polyester polymers, single composition spinning, making polyamide is the blending type fiber of main body, by processing after stripping, process again, remove the dissolution type copolyester in fiber, in fiber, produce micro hole construction, kept again the essential characteristic of strength and elongation, rub resistance, light weight etc. of nylon and the high hygroscopic property that polyvinyl pyrrolidone polymers is given simultaneously.Make to have water suction absorbing fast-drying performance nylon fiber fabric create possibility.Blended fiber of the present invention can be applied to prepare water-absorbing fast-drying fiber fabric, and described fabric can be woven fabric, can be also braided fabric.This blended fiber is made after fabric, carried out stripping property processing and get rid of the dissolution type copolyesters in fiber under suitable alkali dissolution conditions, the polyamide fiber in fabric forms micro hole construction, makes fabric have good water-absorbing fast-drying performance; Alkali decrement treatment is in concentration, to be 1%～5%, to carry out in NaOH solution that bath raio is 100～200, and reduction rate is controlled at 5%～40%.
Above-mentioned alkali deweighting treating technology adopts common process, fabric is 1%～5% in concentration; decrement 20～50min in the NaOH solution that bath raio is 100～200; fabric reduction rate is 5%～40%; make to be distributed with in this polyamide fiber the minute aperture of 0.5 μ m～15 μ m, the volumn concentration of minute aperture accounts for 5～40% of whole polyamide fiber.The performance that fiber after decrement has been given water absorption of fabrics rapid-curing cutback.
By polyvinyl pyrrolidone polymers, more give the moisture pick-up properties that fabric is good simultaneously.
The method of testing of the parameter relating in the present invention is as follows.
1, polyvinyl pyrrolidone polymers (PVP) method for detecting
Use chloroform to dissolve fiber, gained solution is used high-resolution superconduction nuclear magnetic resonance spectrometer, test H spectrum and C spectrum belong to the chemical shift of this polymer, confirm molecular structure, judge whether to contain polyvinyl pyrrolidone polymers, if contain polyvinylpyrrolidone, by spectrogram, calculate its content.
2, the K pH-value determination pH of polyvinyl pyrrolidone polymers (PVP)
The K value of PVP
It is 1% the aqueous solution that PVP is made to concentration, measures its relative viscosity, utilizes Fikentscher formula to try to achieve;
logZ-C[75K
2/(1+1.5KC)+K]
Z wherein: the aqueous solution relative viscosity that concentration is C,
K:K value * 10
-3,
C: concentration of aqueous solution (W/V%).
3, the test of the shared fiber volume ratio of minute aperture/groove
Measure respectively complete decrement fiber, each ten thousand metres of decrement fiber not, take quality (unit: g), calculate the shared fiber volume ratio of minute aperture/groove by following formula separately;
Minute aperture/groove content (%)=(the complete decrement fibre weight of 1-/not decrement fibre weight) * 100%.
4, the test of water absorbing properties
In the present invention, the water absorbing properties of fabric is measured by JIS L1907-5.1.2 method, and the test specimen lower end of vertically hanging is immersed in water, places after 10min, and the lifting height (mm) (measure wicking height) of measuring water represents absorption speed.
5, moisture evaporation rate is measured
In the present invention, the drying property of fabric is measured with AATCC79:2000, the style of 6cm * 6cm is placed in to 20 ± 1 ℃, the environment of humidity 65 ± 2% lower 24 hours, with the titration mouth of pipe apart from sample fabric face 1cm for example, (braided fabric weight in wet base is W after textile surface to drip 0.05ml water
0), after 12 minutes, (fabric is heavily W in the unsettled test of microbalance that is placed in degree of accuracy 0.001g
1) its moisture evaporation rate;
Moisture evaporation rate=(W
0-W
1)/0.05 * 100%.
6, moisture pick-up properties is measured (moisture absorption rate variance Δ MR):
(1) choose 3 parts, the fabric sample of about 1g weight, be positioned in the measuring cup of known quality, put into the drying machine of 60 ℃, take down bottle cap, preparation is dry after 30 minutes, covers bottle cap measuring cup is taken out;
(2) measuring cup is put into the constant temperature and humidity machine of 20 ℃ * 65%RH environment, taken down bottle cap, balance, after 24 hours, covers bottle cap, takes out measuring cup, uses precision balance to weigh, claim the quality quality that deducts measuring cup be sample weight W1;
(3) measuring cup is put into the constant temperature and humidity machine of 30 ℃ * 90%RH environment, taken down bottle cap, balance, after 24 hours, covers bottle cap, takes out measuring cup, uses precision balance on the same stage to weigh, claim the quality quality that deducts measuring cup be sample weight W2;
(4) measuring cup is placed in the drying machine of 105 ℃, takes down bottle cap, dry after 2 hours, cover bottle cap and take out, and in drying basin normal temperature cooling after, use precision balance on the same stage to weigh, claim the quality quality that deducts measuring cup be sample weight W3;
(5) calculate:
MR1＝（W1－W3）/W3
MR2＝（W2－W3）/W3
Moisture absorption rate variance △ MR(%)=MR2-MR1, result is got the mean value of 3 samples.
7, sem test
The method of testing of minute aperture/groove dimensions size, takes pictures by using scanning electronic microscope (SEM:Scanning Electron Microscope) to carry out 2000 times of amplifications to sample, and accelerating potential is 5kV.
The specific embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
Stripping property copolyester section 5 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol% of by 95 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections, being 30ppm with section moisture, M-phthalic acid 0%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.
Fiber obtains woven fabric through processes such as processing, weave later; Through alkali, molten processing obtains water-absorbing fast-drying fabric again, and fabric face is done to electron microscope photo scanning (SEM observation), and minute aperture is of a size of: 0.5 μ m～10 μ m, minute aperture volumn concentration is 5.5%.Recording its its measure wicking height is 50～70mm, and moisture evaporation rate is 75～85%, moisture pick-up properties (Δ MR) 1.9%.
Embodiment 2
90 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections (are become to fibre-forming polymer: nylon 6 (polycaprolactam)/polyvinylpyrrolidone (PVP)=95wt%/5wt%) with section moisture be 30ppm stripping property copolyester section 10 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol%, M-phthalic acid 0%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.Recording PVP content in fiber is 4.5 % by weight.
Fiber obtains woven fabric through processes such as processing, weave later; Through the alkali molten processing absorbing fast-drying fabric that obtains absorbing water, fabric face is done to electron microscope photo scanning (SEM observation) again, minute aperture is of a size of: 0.5 μ m～12 μ m, minute aperture volumn concentration is 10.5%.Recording its its measure wicking height is 70～80mm, and moisture evaporation rate is 80～90%, moisture pick-up properties (Δ MR) 3.8%.
Embodiment 3
80 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections (are become to fibre-forming polymer: nylon 6 (polycaprolactam)/polyvinylpyrrolidone (PVP)=95wt%/5wt%) with section moisture be 30ppm stripping property copolyester section 20 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol%, M-phthalic acid 0%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.Recording PVP content in fiber is 4.0 % by weight.
Fiber obtains braided fabric through processes such as processing later, establishments; Through the alkali molten processing absorbing fast-drying fabric that obtains absorbing water, fabric face is done to electron microscope photo scanning (SEM observation) again, minute aperture is of a size of: 0.5 μ m～15 μ m, minute aperture volumn concentration is 21.2%.Recording its its measure wicking height is 70～120mm, and moisture evaporation rate is 90～95%, moisture pick-up properties (Δ MR) 3.9%.
Embodiment 4
70 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections (are become to fibre-forming polymer: nylon 6 (polycaprolactam)/polyvinylpyrrolidone (PVP)=95wt%/5wt%) with section moisture be 30ppm stripping property copolyester section 30 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol%, M-phthalic acid 0%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.Recording PVP content in fiber is 3.5 % by weight.
Fiber obtains braided fabric through processes such as processing later, establishments; Through the alkali molten processing absorbing fast-drying fabric that obtains absorbing water, fabric face is done to electron microscope photo scanning (SEM observation) again, minute aperture is of a size of: 0.5 μ m～15 μ m, minute aperture volumn concentration is 32.5%.Recording its its measure wicking height is 80～120mm, and moisture evaporation rate is 90～95%, moisture pick-up properties (Δ MR) 3.9%.
Embodiment 5
60 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections (are become to fibre-forming polymer: nylon 6 (polycaprolactam)/polyvinylpyrrolidone (PVP)=95wt%/5wt%) with section moisture be 30ppm stripping property copolyester section 40 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol%, M-phthalic acid 0%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.Recording PVP content in fiber is 3.0 % by weight.
Fiber obtains braided fabric through processes such as processing later, establishments; Through the alkali molten processing absorbing fast-drying fabric that obtains absorbing water, fabric face is done to electron microscope photo scanning (SEM observation) again, minute aperture is of a size of: 0.5 μ m～15 μ m, minute aperture volumn concentration is 41.5%.Recording its its measure wicking height is 80～120mm, and moisture evaporation rate is 90～95%, moisture pick-up properties (Δ MR) 3.8%.
Embodiment 6
Stripping property copolyester section 20 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol% of by 80 parts of polyamide nylon 66 (PA 66) sections, being 30ppm with section moisture, M-phthalic acid 0%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.275 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.
Fiber obtains woven fabric through processes such as processing, weave later; Through the alkali molten processing absorbing fast-drying fabric that obtains absorbing water, fabric face is done to electron microscope photo scanning (SEM observation) again, minute aperture is of a size of: 0.5 μ m～12 μ m, minute aperture volumn concentration is 20.5%.Recording its its measure wicking height is 50～70mm, and moisture evaporation rate is 75～80%, moisture pick-up properties (Δ MR) 1.7%.
Embodiment 7
80 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections (are become to fibre-forming polymer: nylon 6 (polycaprolactam)/polyvinylpyrrolidone (PVP)=95wt%/5wt%) with section moisture be 30ppm stripping property copolyester section 20 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol%, M-phthalic acid 5.5%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.Recording PVP content in fiber is 4.0 % by weight.
Fiber obtains woven fabric through processes such as processing, weave later; Through the alkali molten processing absorbing fast-drying fabric that obtains absorbing water, fabric face is done to electron microscope photo scanning (SEM observation) again, minute aperture is of a size of: 0.5 μ m～12 μ m, minute aperture volumn concentration is 21.5%.Recording its its measure wicking height is 70～120mm, and moisture evaporation rate is 90～95%, moisture pick-up properties (Δ MR) 3.9%.
Embodiment 8
80 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections (are become to fibre-forming polymer: nylon 6 (polycaprolactam)/polyvinylpyrrolidone (PVP)=95wt%/5wt%) with section moisture be 30ppm stripping property copolyester section 20 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol%, M-phthalic acid 10%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.Recording PVP content in fiber is 4.0 % by weight.
Fiber obtains woven fabric through processes such as processing, weave later; Through the alkali molten processing absorbing fast-drying fabric that obtains absorbing water, fabric face is done to electron microscope photo scanning (SEM observation) again, minute aperture is of a size of: 0.5 μ m～12 μ m, minute aperture volumn concentration is 21.8%.Recording its its measure wicking height is 70～120mm, and moisture evaporation rate is 90～95%, moisture pick-up properties (Δ MR) 3.9%.
Embodiment 9
80 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections (are become to fibre-forming polymer: nylon 6 (polycaprolactam)/polyvinylpyrrolidone (PVP)=90wt%/10wt%) with section moisture be 30ppm stripping property copolyester section 20 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol%, M-phthalic acid 0%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.Recording PVP content in fiber is 8.0 % by weight.
Fiber obtains braided fabric through processes such as processing later, establishments; Through the alkali molten processing absorbing fast-drying fabric that obtains absorbing water, fabric face is done to electron microscope photo scanning (SEM observation) again, minute aperture is of a size of: 0.5 μ m～13 μ m, minute aperture volumn concentration is 21.6%.Recording its its measure wicking height is 70～120mm, and moisture evaporation rate is 90～95%, moisture pick-up properties (Δ MR) 5.4%.
Embodiment 10
80 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections (are become to fibre-forming polymer: nylon 6 (polycaprolactam)/polyvinylpyrrolidone (PVP)=85wt%/15wt%) with section moisture be 30ppm stripping property copolyester section 20 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol%, M-phthalic acid 0%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.Recording PVP content in fiber is 12.0 % by weight.
Fiber obtains braided fabric through processes such as processing later, establishments; Through the alkali molten processing absorbing fast-drying fabric that obtains absorbing water, fabric face is done to electron microscope photo scanning (SEM observation) again, minute aperture is of a size of: 0.5 μ m～13 μ m, minute aperture volumn concentration is 20.7%.Recording its its measure wicking height is 70～120mm, and moisture evaporation rate is 90～95%, moisture pick-up properties (Δ MR) 6.9%.
Comparative example 1
By 100 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3400m/min, extension speed are 4000m/min.Fiber obtains braided fabric through processes such as processing later, establishments; Recording its its measure wicking height is 20～40mm, moisture pick-up properties (Δ MR) 1.8%.The water-absorbing fast-drying impact of performance is lower.
Comparative example 2
Stripping property copolyester section 50 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol% of by 50 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections, being 30ppm with section moisture, M-phthalic acid 0%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.Fibre-forming performance is poor.
Comparative example 3
80 parts of polyamide nylon 6 (poly-(ε caprolactam)) sections (are become to fibre-forming polymer: nylon 6 (polycaprolactam)/polyvinylpyrrolidone (PVP)=80wt%/20wt%) with section moisture be 30ppm stripping property copolyester section 20 parts of (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol%, M-phthalic acid 0%) the even blend of cutting into slices, through feed bin, send into screw extruder and carry out melting, by measuring pump, measure, by spinnerets ejection, cooling, coiling fibroblast, obtain 56T polyamide nylon 6 fibers.270 ℃ of spinning temperatures, spinning speed are that 3000m/min, extension speed are 4300m/min.Fibre-forming performance is poor.
Claims (9)
1. a blended fiber, is characterized in that: the polyvinyl pyrrolidone polymers that contains the solubility copolyesters of 5～40 % by weight, the polyamide of 60～95 % by weight and 0～15 % by weight in blended fiber.
2. blended fiber according to claim 1, is characterized in that: the polyvinyl pyrrolidone polymers that contains 1.8～15 % by weight in blended fiber.
3. blended fiber according to claim 1 and 2, it is characterized in that: the main repetitive of described solubility copolyesters is ethylene glycol terephthalate unit, in copolyesters, also containing is the polyethylene glycol unit of 5～30 % by weight with respect to copolyesters total amount, 5-sodium sulfonate-ethylene isophthalate the unit that is 1.5～4.5mol% with respect to sour composition total mole number, and the M-phthalic acid unit of 0～10mol%.
4. blended fiber according to claim 1 and 2, is characterized in that: described polyamide polymer is polycaprolactam amine polymer or is PA 66 polymer.
5. blended fiber according to claim 3, is characterized in that: the molecular weight of described polyethylene glycol unit is 400～10000.
6. the manufacture method of a blended fiber claimed in claim 1, it is characterized in that: by section A60～95 weight portion that contains polyamide polymer and polyvinyl pyrrolidone polymers, with solubility copolyester section B5～40 weight portion, evenly mixing, melting, ejection, spinning, batch, obtain blended fiber, in described section A, the content of polyvinyl pyrrolidone polymers is 0～15 % by weight.
7. the manufacture method of blended fiber according to claim 6, is characterized in that: in described section A, the content of polyvinyl pyrrolidone polymers is 3～15.8 % by weight.
8. the manufacture method of blended fiber according to claim 7, is characterized in that: in described section A, the K value of polyvinyl pyrrolidone polymers is 20～70.
9. blended fiber claimed in claim 1 is in the application of preparing on water-absorbing fast-drying fiber fabric.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040156A (en) * | 2014-12-17 | 2015-11-11 | 上海凯赛生物技术研发中心有限公司 | Blended fiber and preparation method thereof and fabric comprising the blended fiber |
| CN108532026A (en) * | 2016-12-12 | 2018-09-14 | 东丽纤维研究所（中国）有限公司 | A kind of core sheath composite fibre and its manufacturing method and textile |
| CN108951107A (en) * | 2018-06-01 | 2018-12-07 | 厦门安踏体育用品有限公司 | A kind for the treatment of fluid, fabric, the preparation method of fabric and dress ornament |
| CN109045510A (en) * | 2018-09-27 | 2018-12-21 | 国网河南省电力公司南阳供电公司 | A kind of Safety protector for power failure maintenance |
| CN109072490A (en) * | 2016-04-04 | 2018-12-21 | 罗地亚聚酰胺特殊品公司 | Biodegradable Fypro, the polyamide article for obtaining the method for such fiber and being made from it |
| CN109440223A (en) * | 2018-11-07 | 2019-03-08 | 午和（江苏）差别化纤维有限公司 | A kind of wet fiber material preparation method of spiral porous structure |
| CN115341299A (en) * | 2021-11-11 | 2022-11-15 | 创姿服饰(上海)有限公司 | Safe and environment-friendly composite fiber and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040156A (en) * | 2014-12-17 | 2015-11-11 | 上海凯赛生物技术研发中心有限公司 | Blended fiber and preparation method thereof and fabric comprising the blended fiber |
| CN105040156B (en) * | 2014-12-17 | 2017-08-08 | 上海凯赛生物技术研发中心有限公司 | Blended fiber and preparation method thereof and the fabric containing the blended fiber |
| CN109072490A (en) * | 2016-04-04 | 2018-12-21 | 罗地亚聚酰胺特殊品公司 | Biodegradable Fypro, the polyamide article for obtaining the method for such fiber and being made from it |
| EP3440243B1 (en) | 2016-04-04 | 2022-06-22 | Rhodia Poliamida e Especialidades S.A. | Biodegradable polyamide fiber, process for obtaining such fiber and polyamide article made therefrom |
| CN108532026A (en) * | 2016-12-12 | 2018-09-14 | 东丽纤维研究所（中国）有限公司 | A kind of core sheath composite fibre and its manufacturing method and textile |
| CN108532026B (en) * | 2016-12-12 | 2022-03-22 | 东丽纤维研究所（中国）有限公司 | Core-sheath composite fiber, manufacturing method thereof and textile |
| CN108951107A (en) * | 2018-06-01 | 2018-12-07 | 厦门安踏体育用品有限公司 | A kind for the treatment of fluid, fabric, the preparation method of fabric and dress ornament |
| CN109045510A (en) * | 2018-09-27 | 2018-12-21 | 国网河南省电力公司南阳供电公司 | A kind of Safety protector for power failure maintenance |
| CN109440223A (en) * | 2018-11-07 | 2019-03-08 | 午和（江苏）差别化纤维有限公司 | A kind of wet fiber material preparation method of spiral porous structure |
| CN115341299A (en) * | 2021-11-11 | 2022-11-15 | 创姿服饰(上海)有限公司 | Safe and environment-friendly composite fiber and preparation method thereof |
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