EP0860524B1 - Polymermischungen und Verfahren zur Verarbeitung von Polymermischungen zu Filamenten - Google Patents
Polymermischungen und Verfahren zur Verarbeitung von Polymermischungen zu Filamenten Download PDFInfo
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- EP0860524B1 EP0860524B1 EP98101697A EP98101697A EP0860524B1 EP 0860524 B1 EP0860524 B1 EP 0860524B1 EP 98101697 A EP98101697 A EP 98101697A EP 98101697 A EP98101697 A EP 98101697A EP 0860524 B1 EP0860524 B1 EP 0860524B1
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- polymer
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
Definitions
- the present invention relates to polymer blends for production of filaments with an elongation at break ⁇ 180% based on polyester or Polyamide with a take-off speed when spinning ⁇ 1500 m / min, a second polymer being added to the polyester or polyamide and methods of processing these polymer blends.
- Spinning polymer blends is made up of a number of fonts known:
- JP 56-85420 A (Teijin) describes an undrawn polyamide yarn, with the addition of 0.5-10% by weight of a bisphenol polycarbonate improved productivity is achieved.
- EP 0 035 796 A (Teijin) describes synthetic fibers, including those made of polyester or polyamide, which contain 1-15% by weight of a polysulfone polymer with a high glass transition point T G 150 150 ° C.
- the additive remains in the matrix in a spherical shape and influences the surface structure of the filaments and the thread friction.
- the spinning speed is 2000 - 5500 m / min.
- EP 0 041 327 B discloses fibers made of PET or PA-6,6, which 0.1-10% by weight of another polymer with anisotropic properties (LCP types) included.
- LCP types anisotropic properties
- the spinning speeds are 1000 to 5000 m / min.
- a speed suppression is achieved (WUSS) due to higher elongation at break of the filament and thus higher Draw ratios and increased productivity.
- EP 0 080 274 B (ICI) relates to fibers made of PET, PA-6.6 or PP, which 0.1- Contain 10 wt .-% of another polymer, which is in the melt with an average particle size of 0.5-3 .mu.m and is deformed into fibrils during melt spinning.
- the Spinning speeds are between 2000 and 6000 m / min, one being Speed suppression (WUSS) of at least 20% by higher Elongation at break or lower birefringence of the (PET) spinning thread and thus higher draw ratios and increased productivity is achieved.
- Preferred additive polymers are polyethylene glycol or PA-6.6 for PET or polyolefins for PA-6.6. The effect reacts strongly to production parameters such as throughput, Spinning temperature, type of mixture or type of extruder. A transfer to Production plants of different capacities, types of equipment or This sensitivity makes titer programs difficult.
- JP 56-91013 A discloses an undrawn polyester yarn, with the addition of 0.5-10% by weight of a styrene polymer Improved productivity by increasing the elongation at break of the Spinning thread at speeds between 850-8000 m / min, preferred ⁇ 2500 m / min and correspondingly higher stretching ratios becomes.
- EP 0 047 464 B (Teijin) relates to an undrawn polyester yarn, the addition of 0.2-10% by weight of a polymer of the type (CH 2 -CR 1 R 2 ) n , such as poly (4-methyl 1-pentene) or polymethyl methacrylate, improved productivity is obtained by increasing the elongation at break of the spinning thread at speeds between 2500-8000 m / min and correspondingly higher draw ratios.
- a fine and uniform dispersion of the additive polymer by mixing is necessary, the particle diameter having to be 1 1 ⁇ m in order to avoid fibril formation.
- the decisive factor for the effect is the interaction of three properties - the chemical additive structure, which hardly allows the additive molecules to stretch, the low mobility and the compatibility of polyester and additive.
- EP 0 631 638 B (AKZO) describes fibers made primarily of PET, which 0.1-5% by weight of a 50-90% imidized polymethacrylic acid alkyl ester contains. The at speeds of 500 - 10,000 m / min The fibers obtained and subsequently finally drawn have a higher fiber Starting module on. Spinning at very high speeds (like 8000 m / min) should be possible with the usual number of thread breaks. To 8000 m / min are obtained partially oriented yarns that are not yet on Final stretch are stretched and z. B. to textured yarns processed. In the examples of industrial yarns, the Not easily understand the influence on the module; i. a. are the strengths achieved are lower, which is a considerable disadvantage for this product is.
- the aim of spinning polymer blends into synthetic fibers is to obtain a higher elongation at break in the spinning thread at a certain spinning speed than without modification by additional polymer. This should allow a higher draw ratio for the production of the end yarn, which should result in a higher productivity of the spinning unit.
- EP 0 041 327 B is about one Productivity gain logo CNRS logo INIST (1 + E '/ 100) - (1 + E / 100) (1 + E / 100) 100% to be calculated if E / E 'the elongations at break are not modified / modified.
- a review of the formula shows that the effect is greatest at high elongation increases (E '- E). Excessive stretching and therefore a reduced degree of orientation of the filament are unsuitable for processing in fast stretch texturing processes.
- the producer or process provider must cover the entire production chain take into account and can contribute to the increase in production Do not stop partial step (e.g. the spinning mill).
- the follow-up processes must not be affected.
- this invention the processing conditions in the Not to reduce subsequent steps, preferably to improve them, and that despite increased spinning speed.
- the object of the present invention is to provide polymer mixtures Manufacture of filaments with an elongation at break ⁇ 180% based Polyester or polyamide with a take-off speed when spinning of ⁇ 1500 m / min, the polyester or polyamide being a second polymer is added and methods for processing them To show polymer blends in which the above Disadvantages do not occur or only to a lesser extent.
- polyester or polyamide Additive polymer be inexpensive when spinning into one Production increase compared to unmodified matrix polymer lead and processing the spinning thread at high speed enable.
- R 1 is preferably methyl, ethyl, n-propyl, n-butyl, isobutyl, 2-ethyl-butyl, 2-ethyl-hexyl, n-hexyl, n-heptyl or cyclohexyl.
- Monomer C is preferably styrene, ⁇ -methylstyrene, 3-methylstyrene or 4-methylstyrene.
- the additive polymer (second polymer) must be amorphous, in the matrix polymer largely insoluble and therefore essentially incompatible and the formation of two phases that are distinguished microscopically can, allow.
- the additive polymer preferably contains 50 to 85% by weight A, 5 to 20% by weight B and 5 to 30% by weight C (sum equal 100%) and particularly preferably 60 to 80% by weight of methyl methacrylate units, 5 to 15% by weight of maleic anhydride units and 15 to 25% by weight of styrene units (total equal to 100%).
- suitable Commercial products are "GHT 120" from Degussa AG, Frankfurt / DE, or "HW 55" from Röhm GmbH, Darmstadt / DE.
- Example of one of two monomer components, namely about 74% by weight of styrene and about 26% by weight Maleic anhydride, existing additive polymer according to the invention is "STAPRON® SZ 26180" from DSM N.V., Herleen / NL.
- Another preferred additive polymer consists of 70 to 90 wt .-% A and 30 to 10% by weight of C, and particularly preferably from 80 to 85% by weight Methyl methacrylate units and 20 to 15 wt .-% styrene units (Total equal to 100%).
- addition quantities of ⁇ 2.5% by weight which is a considerable cost advantage.
- Polyester such as, come as fiber-forming matrix polymers Polyethylene terephthalate (PET) polypropylene terephthalate, Polybutylene terephthalate, polyethylene naphthalate, or polyamides, such as PA-6 or PA-6.6 in question. The homopolymers are preferred. Coming but also copolymers with up to 15 mol .-% comonomer in Question. In the case of PET, z. B. diethylene glycol, 1,4-cyclohexanedimethanol, Polyethylene glycol, isophthalic acid and / or Be adipic acid.
- the polymer additives such as Catalysts, stabilizers, optical brighteners and matting agents contain.
- PET can also contain a small amount of branching components included, e.g. B. polyfunctional acids, such as trimellitic acid, Pyromellitic acid or tri- or tetravalent alcohols such as Trimethylolpropane, pentaerythritol, glycerin or equivalent Hydroxy acids.
- branching components e.g. B. polyfunctional acids, such as trimellitic acid, Pyromellitic acid or tri- or tetravalent alcohols such as Trimethylolpropane, pentaerythritol, glycerin or equivalent Hydroxy acids.
- the mixing of the additive polymer (second polymer) with the Matrix polymer is made by adding it as a solid to the matrix polymer chips in the extruder inlet with chip mixer or gravimetric Dosing or alternatively by melting the additive polymer, Metering by means of a gear pump and feeding into the melt flow of the Matrix polymer. Then a homogeneous is produced Distribution by mixing in the extruder and / or by means of static or dynamic mixer in a manner known per se.
- the spin pack which is equipped with filter devices and / or loose filter media (e.g. steel sand) of a defined grain size.
- a specific nozzle pressure was set to ensure adequate shear of the additive.
- the shear effect in the nozzle pack was evaluated in such a way that a melt jet was spun without a built-in nozzle pack and on the other hand with a built-in nozzle pack, and the emerging bulge was taken as a sample under otherwise the same pretreatment parameters and the additive particles were measured and counted under electron microscopy.
- the incompatibility of the two polymers causes the additive polymer to form spherical particles in the matrix polymer (without shear).
- the best conditions were found when the mean particle size (arithmetic mean) d 50 400 400 nm and the proportion of particles> 1000 nm in a sample cross-section was below 1%.
- the melted polymer mixture is after shear and Filtration treatment in the nozzle pack through the holes in the nozzle plate pressed.
- the melt threads are in the subsequent cooling zone cooled below their softening temperature by means of cooling air, so that a Avoid sticking or upsetting on the following thread guide becomes.
- the formation of the cooling zone is not critical, provided that a homogeneous, the filament bundle ensures uniformly penetrating air flow is.
- An air-rest zone can be located directly below the nozzle plate Delay in cooling may be provided.
- the cooling air can pass through Cross or radial blowing can be supplied from a climate system or by means of a cooling pipe from the environment through self-suction be removed.
- the filaments are bundled and with spinning oil applied.
- oil stones are used, which the spinning oil as Emulsion from metering pumps is supplied.
- the thread prepared in this way advantageously passes through an entangling facility (Devouring device) to improve the thread closure. Also can handling and security organs be attached before the Thread arrives at the winding unit and there on cylindrical bobbins is wound up into packages. The peripheral speed of the thread package is regulated automatically and is equal to the winding speed.
- the withdrawal speed of the thread can be due to its The traversing movement can be 0.2 - 2.5% higher than that of the Winding speed.
- the peripheral speed of the first godet system is referred to as take-off speed. Additional godets can be used to stretch or relax become.
- the stretching can be done in one or two stages.
- the one-stage is Take-off speed ⁇ 1500 m / min
- the threads at least one Stretching zone formed by driven godets go through, and then after heat setting as stretched Flat yarn can be spooled at speeds of ⁇ 4000 m / min.
- the spinning thread is first wound up at ⁇ 1500 m / min, then submitted to the stretcher and there at speeds of stretched at least 800 m / min, preferably ⁇ 1000 m / min.
- Spinning threads as roving for stretch texturing - usually as POY - are with take-off speeds ⁇ 2500 m / min, preferably ⁇ 3600 m / min. So much additive polymer is preferred added that the elongation at break of the PET filaments at least 95% and a maximum of 145%.
- the stretch texturing takes place depending on Filament title type, whereby for normal titer filaments 2 2 dtex Speeds ⁇ 750 m / min, preferably ⁇ 900 m / min, applied become.
- the structure of the spun thread becomes essential in the Distortion zone formed below the spinneret. It has now been found that the length of the draft zone is a quantitative measure of the physical thread structure, which in turn is processing the Spun threads affected. This parameter is therefore not inherent in conventional parameters included, but represents an independent Size represents.
- the length of the draft zone is with unmodified polymer varies by the thread take-off speed. Typical values for Rovings at conventional take-off speeds of at least 2500 m / min with lengths of about 300 mm, preferably for POY ⁇ 250 mm to ⁇ 700 mm, and for fully drawn spun threads at ⁇ 200 mm, preferably ⁇ 100 mm.
- the amount added of the second polymer is adjusted such that the length of the draw zone corresponds to that of the unmodified matrix polymer. It has been found that for roving textiles for draw texturing, the amount M of the second polymer added for take-off speeds ⁇ of 2500 to 8000 m / min is a maximum of the size and preferably at least size must correspond in order to achieve optimal results.
- melt strands or vault samples are smashed in liquid nitrogen with a sharp chisel.
- the fracture surfaces are examined using Scanning electron microscopy and subsequent image analysis Evaluation. 3 fractions of 4 samples are taken from each sample evaluated. Due to the low contrast between matrix and Additive is marked individually in the image analysis of each additive particle.
- the evaluation is elliptical (spherical) Reason, where length, width, and calculated from it, the mean Diameter can be evaluated.
- Thread speeds are measured using laser Doppler anemometry certainly.
- a laser beam is split and the brought the two partial beams to the cut on the object to be measured.
- the interference frequency is measured in the backscatter area and from the Displacement of the interference frequency the object speed calculated.
- a diode laser with 10 mW Power used, distributed by TSI GmbH, Aachen / DE, type LS50M.
- the thread speed was below the Spinneret measured and plotted.
- the change in Speed until reaching the trigger device defined spinning draft zone.
- the intrinsic viscosity was determined on a solution of 0.5 g polyester 100 ml of a mixture of phenol and 1,2-dichlorobenzene (3: 2 parts by weight) determined at 25 ° C.
- the crimp parameters of the textured filament yarns were determined according to DIN 53840, part 1.
- the staining depth was determined using a Terasilmarine blue GRL-C 200% (Ciba-Geigy, Basel / CH) stained knitted tube by comparative Measurement of the color emission with a reflection photometer DIN 54001 determined.
- Polyethylene terephthalate with an intrinsic viscosity ⁇ intr 0.64 dl / g and a residual water content of 32 ppm was melted in a single-screw extruder and at a temperature of 296 ° C through a product line with 9 static mixing elements, type SMX, from Sulzer AG, Zurich / CH, fed to a spinneret pack by means of a gear metering pump.
- type SMX static mixing elements
- a polymer pressure in the range of 90-200 bar was established after the spinning pump.
- melt threads emerging from the holes in the nozzle plate were cooled in a conventional blow chute with cross-blowing, whereby the air speed was set to 0.45 m / sec.
- the applied to the thread Preparation amount was 0.4%.
- the thread bundle was wrapped in two S-shaped, driven godets removed and in a winding unit Barmag AG, Remscheid / DE, type SW7, with Birotorchangtechnik on sleeves Packages of yarn.
- the spinning take-off speed was determined by the Circumferential speed of the godets defined.
- the Winding speed was set about 1% lower, so that there was a thread tension of 10 cN between the godets and the winder.
- the nominal titer of the thread produced in this way was 84f34 dtex.
- the take-off speed was set at 3200 m / min, a quantity of polymer of 41.4 g / min being fed to the spinneret.
- the speed was increased to 5000 m / min and at the same time a polymer quantity of 63 g / min was set.
- Table 1 Comparative experimental No.
- the thread speed or draft zone measurements are in the Fig. 1 shown.
- the necking is at 5000 m / min (Cross-sectional reduction) obvious.
- the Speed fluctuation in the necking point (CV%) is also clear uneven.
- Example 2 In the spinning system according to Example 1 and under the same Spinning conditions became an additive polymer for the polyethylene terephthalate chips in the form of granular particles in different Concentrations added.
- the additive polymer was a commercial product from Röhm GmbH, Darmstadt / DE, type HW55, corresponding to a statistical copolymer of methyl methacrylate, styrene according to the invention and maleic anhydride.
- Fig. 4 shows examples of the distributions of the size of the additive particles in the polyester matrix of experiments 5 and 6 after exiting the nozzle bore.
- An average diameter of 235 nm was determined as d 50 .
- the maximum particle size in the samples was 680 nm.
- the spun threads were textured as in Example 1 with the Difference that the temperature in the first heater was increased to 220 ° C.
- the processing speed could easily be increased to 1000 m / min in experiments 5 and 6.
- the textile characteristics are summarized in Tab. 4.
- Experiment 7 does not allow a higher speed potential; Trial 8 lies on the border of the positive evaluation; Trial 10 and 11 result Texturing tensions that are already too high. The is perfectly adapted Amount of additive to the speed of Experiment No. 9.
- the filaments of Run Nos. 10 and 11 were at one temperature stretched from 100 ° C, heat set at 160 ° C and with a Subtracted speed of 1200 m / min and wound on copse.
- the nozzle package contained a volume of steel sand with a grain size of 170-250 .mu.m analogous to Example 1, but a non-woven material of 10 .mu.m was used as the fine filter.
- the spinneret plate contained 24 bores with a specification corresponding to Example 1.
- the nozzle pressure for the polymer throughputs used was 183 and 188 bar, respectively.
- Ad 50 of the additive polymer in the polyester matrix was measured after exiting the nozzle bore of 240 nm.
- the melt threads were in a perforated tube by themselves sucked in ambient air cooled. At a distance of 1450 mm Below the spinneret was a spinning oil-water emulsion applied a preparation amount of 0.53% to the thread. The filaments were then in a jet at an air pressure of 5.5 bar deflated and in a winding unit from Barmag AG, Remscheid / DE, type CW8T, deducted and at different Speeds wound up.
- the threads produced in this way had a nominal titer of 75f24 dtex, were highly oriented and no longer had to be drawn.
- the textile characteristics are shown in Table 10.
- the running behavior was positive.
- Trial No. 14 15 speed m / min 6500 7000 Polymer throughput g / min 46.6 50.2 titres dtex 73.2 74.0 tear strength CN / tex 41.4 42.8 CV-breaking load % 2.6 3.0 elongation at break % 40.9 36.7 CV elongation at break % 5.9 6.3
- Uster - helped inert % 0.23 0.37 - normal % 0.61 0.78 Entanglingknoten n / m 11 9 drafting zone mm 106 73
- Table 11 contains the characteristics of the filament. The elongations at break are in the conventionally practicable range for POY. Trial No. 16 17 Additive Conc. % 0.65 0.72 titres dtex 129 129 tear strength CN / tex 23.4 22.3 CV-breaking load % 2.8 2.7 elongation at break % 115.4 122.9 CV elongation at break % 2.9 2.5 Uster - helped inert U% 0.45 0.48 - normal U% 0.90 0.98 boiling shrinkage % - 61.3 birefringence ⁇ 10 -3 - 50.8
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Description
- 0 bis 90
- Gew.-% A, wobei A ein Monomer der Formel CH2 = C(R)-COOR1 ist, mit R gleich -H oder -CH3 und R1 gleich geradkettigem oder verzweigtem C1-10-Alkyl oder Cyclohexyl,
- 0 bis 40
- Gew.-% B, wobei B ein Monomer bestehend aus Maleinsäure oder Maleinsäureanhydrid ist, und
- 5 bis 85
- Gew.-% C, wobei C ein Monomer bestehend aus Styrol oder methylsubstituiertem Styrol ist,
- Abb. 1
- die Verzugszonen-Messungen des Beispiels 1,
- Abb. 2 und 3
- die Verzugszonen-Messungen des Beispiels 2,
- Abb. 4
- die Größenverteilung der Additiv-Teilichen in der Polyester-Matrix für die Versuche 4 und 6 des Beispiels 2,
- Abb. 5 und 6
- die Verzugszonen-Messungen des Beispiels 3 und
- Abb. 7
- die Größenverteilung der Additiv-Teilchen in der Polyester-Matrix des Beispiels 4.
Vergleichs-Versuch | Nr. | 1 | 2 | |
Abzugsgeschwindigkeit | m/min | 3200 | 5000 | |
Titer | dtex | 130 | 128 | |
Reißfestigkeit | cN/tex | 25,3 | 35,6 | |
CV-Bruchlast | % | 2,6 | 1,9 | |
Reißdehnung | % | 117,3 | 59,7 | |
CV-Reißdehnung | % | 2,3 | 2,8 | |
Uster | - half inert | U% | 0,23 | 0,24 |
- normal | U% | 0,66 | 0,46 | |
Kochschrumpf | % | 64 | 6,6 | |
Doppelbrechung | ·10-3 | 48,4 | 70,9 | |
Verzugszone | mm | 288 | 89 | |
CV-Geschwindigkeit | % | 3,2 | 29 |
Ergebnisse der Strecktexturierung von Versuch Nr. 1 + 2: | |||
Vergleichs-Versuch | Nr. | 1 | 2 |
Abzugsgeschwindigkeit | m/min | 3200 | 5000 |
Verstreckverhältnis | 1: | 1,68 | 1,17 |
Spannung F1/F2 | cN | 28/37 | 35/39 |
Titer | dtex | 80 | 116 |
Reißfestigkeit | cN/tex | 42,0 | 34,4 |
Reißdehnung | % | 23,3 | 26,0 |
Einkräuselung | % | 20 | 21 |
Kräuselbeständigkeit | % | 85 | 82 |
Anfärbetiefe | % | 100 | - |
Verarbeitungsverhalten | + | - | |
(+ = positiv, - = negativ) |
Versuch Nr. | 3 | 4 | 5 | 6 | ||
Additivkonzentration | Gew.-% | 0,3 | 0,6 | 1,0 | 1,65 | |
Titer | dtex | 129 | 128 | 129 | 129 | |
Reißfestigkeit | cN/tex | 30,8 | 27,0 | 24,0 | 18,7 | |
CV-Bruchlast | % | 2,6 | 2,5 | 2,2 | 3,2 | |
Reißdehnung | % | 71,6 | 85,5 | 112,8 | 144,5 | |
CV-Reißdehnung | % | 3,7 | 3,1 | 1,9 | 2,4 | |
Uster | - half inert | U% | 0,17 | 0,31 | 0,24 | 0,36 |
- normal | U% | 0,44 | 0,62 | 0,51 | 0,59 | |
Kochschrumpf | % | 11,0 | 16,4 | 35,1 | 43,6 | |
Doppelbrechung | ·10-3 | 64,5 | 57,9 | 43,4 | 26,5 | |
Verzugszone | mm | 119 | 285 | 378 | 326 | |
CV-Geschwindigkeit | % | 53 | 6,1 | 3,2 | 3,7 |
Ergebnisse der Strecktexturierung von Versuch Nr. 3 - 6: | |||||
Versuch Nr. | 3 | 4 | 5 | 6 | |
Additiv-Konzentration | % | 0,3 | 0,6 | 1,0 | 1,65 |
Verstreckverhältnis | 1: | 1,25 | 1,38 | 1,58 | 1,85 |
Spannung F1/F2 | cN | 40/49 | 41/52 | 37/46 | 31/39 |
Titer | dtex | 105,6 | 95,9 | 83,7 | 72,1 |
Reißfestigkeit | cN/tex | 37,6 | 39,0 | 40,1 | 37,3 |
Reißdehnung | % | 28,1 | 27,5 | 25,4 | 22,0 |
Einkräuselung | % | 32,3 | 31,2 | 27,7 | 22,0 |
Kräuselbeständigkeit | % | 89,2 | 88,5 | 86,2 | 85,9 |
Anfärbetiefe | % | 172 | 173 | 160 | 146 |
Verarbeitungsverhalten | - | - | + | + |
Versuch Nr. | 7 | 8 | 9 | 10 | 11 | |
Spinnabzug | m/min | 3200 | 4000 | 5000 | 6000 | 6500 |
Durchsatz | g/min | 44,0 | 53,0 | 63,0 | 75,6 | 81,9 |
Düsendruck | bar | 113 | 136 | 159 | 185 | 203 |
Titer | dtex | 138 | 133 | 128 | 124 | 130 |
Reißfestigkeit | cN/tex | 18,4 | 20,8 | 22,4 | 23,4 | 22,9 |
CV-Bruchlast | % | 2,7 | 3,1 | 2,3 | 3,3 | 2,4 |
Reißdehnung | % | 177,6 | 144,8 | 118,4 | 86,4 | 84,1 |
CV-Reißdehnung | % | 2,0 | 2,1 | 2,4 | 3,3 | 3,1 |
Uster - half inert | U% | 0,2 | 0,34 | 0,34 | 0,26 | 0,44 |
- normal | U% | 0,55 | 0,63 | 0,52 | 0,57 | 0,76 |
Kochschrumpf | % | 56,8 | 62 | 33,8 | 9,7 | 8,0 |
Doppelbrechung | 10-3 | 22,1 | 34,5 | 37,7 | 53,7 | 55,5 |
Verzugszone | mm | 248 | 313 | 337 | 219 | 189 |
CV-Geschwindigkeit | % | 2,3 | 2,5 | 2,6 | 3,1 | 9 |
Ergebnisse der Strecktexturierung von Versuch Nr. 7 bis 11 | ||||||
Versuch Nr. | 7 | 8 | 9 | 10 | 11 | |
Spinnabzug | m/min | 3200 | 4000 | 5000 | 6000 | 6500 |
Verstreckverhältnis | 1: | 2,17 | 1,88 | 1,64 | 1,43 | - |
Spannung F1/F2 | cN | 29/39 | 30/38 | 35/44 | 46/55 | |
Titer | dtex | 65,6 | 73,00 | 80,4 | 92,1 | |
Reißfestigkeit | cN/tex | 38,6 | 41,2 | 41,0 | 35,5 | |
Reißdehnung | % | 16,4 | 23,5 | 23,9 | 25,2 | |
Einkräuselung | % | 20,0 | 24,1 | 25,3 | 27,2 | |
Kräuselbeständigkeit | % | 84,0 | 85,8 | 85,7 | 84,8 | |
Anfärbetiefe | % | 89 | 104 | 129 | 182 | |
Verarbeitungsverhalten | - | + | + | - | - |
Versuch Nr. | 10 | 11 | |
Verstreckverhältnis | 1: | 1,364 | 1,324 |
Titer | dtex | 94,9 | 99,3 |
Reißfestigkeit | cN/tex | 32,3 | 32,9 |
Reißdehnung | % | 32,7 | 31,7 |
Verarbeitungsverhalten | + | + |
Versuch Nr. | 12 (Vergleich) PA66 | 13 (Erfindung) GHT 120 | |
Additiv-Typ Additiv-Konz. | % | 4,1 | 1,2 |
Titer | dtex | 126 | 129 |
Reißfestigkeit | cN/tex | 20,4 | 22,2 |
CV-Bruchlast | % | 2,7 | 2,6 |
Reißdehnung | % | 112,3 | 116,8 |
CV-Reißdehnung | % | 2,1 | 2,5 |
Uster - half inert | U% | 0,9 | 0,4 |
- normal | U% | 1,39 | 0,77 |
Kochschrumpf | % | 36,0 | 47,0 |
Doppelbrechung | -10-3 | 42,0 | 38,2 |
Verzugszone | mm | 290 | 328 |
CV-Geschwindigkeit | % | sehr hoch | 2,4 |
Ergebnisse der Strecktexturierung von Versuche Nr. 12 + 13 | |||
Versuch Nr. | 12 (Vergleich) | 13 (Erfindung) | |
Additiv | PA66 | GHT 120 | |
Verstreckverhältnis | 1: | 1,44 | 1,44 |
Spannung F1/F2 | cN | 36/45 | |
Titer | dtex | 91,5 | |
Reißfestigkeit | cN/tex | 41,0 | |
Reißdehnung | % | 24,8 | |
Einkräuselung | % | 28,3 | |
Kräuselbeständigkeit | % | 87,9 | |
Verarbeitungs | - | + | |
verhalten |
Versuch Nr. | 14 | 15 | |
Geschwindigkeit | m/min | 6500 | 7000 |
Polymerdurchsatz | g/min | 46,6 | 50,2 |
Titer | dtex | 73,2 | 74,0 |
Reißfestigkeit | cN/tex | 41,4 | 42,8 |
CV-Bruchlast | % | 2,6 | 3,0 |
Reißdehnung | % | 40,9 | 36,7 |
CV-Reißdehnung | % | 5,9 | 6,3 |
Uster - half inert | % | 0,23 | 0,37 |
- normal | % | 0,61 | 0,78 |
Entanglingknoten | n/m | 11 | 9 |
Verzugszone | mm | 106 | 73 |
Versuch Nr. | 16 | 17 | ||
Additiv-Konz. | % | 0,65 | 0,72 | |
Titer | dtex | 129 | 129 | |
Reißfestigkeit | cN/tex | 23,4 | 22,3 | |
CV-Bruchlast | % | 2,8 | 2,7 | |
Reißdehnung | % | 115,4 | 122,9 | |
CV-Reißdehnung | % | 2,9 | 2,5 | |
Uster | - half inert | U% | 0,45 | 0,48 |
- normal | U% | 0,90 | 0,98 | |
Kochschrumpf | % | - | 61,3 | |
Doppelbrechung | ·10-3 | - | 50,8 |
Ergebnisse der Strecktexturierung von Versuch Nr. 16 + 17 | |||
Versuch Nr. | 16 | 17 | |
Verstreckverhältnis | 1: | 1,72 | 1,81 |
Spannung F1/F2 | cN | 30/40 | 33/43 |
Titer | dtex | 85,8 | 73,4 |
Reißfestigkeit | cN/tex | 36,7 | 40,8 |
Reißdehnung | % | 18,6 | 17,5 |
Verarbeitungs verhalten | + | + |
Claims (12)
- Polymermischungen zur Herstellung von Filamenten mit einer Reißdehnung ≤ 180 % auf Basis Polyester oder Polyamid mit einer Abzugsgeschwindigkeit beim Spinnen von ≥ 1500 m/min, dadurch gekennzeichnet, daß dem Polyester oder Polyamid ein zweites amorphes Polymer in einer Menge von 0,05 bis 5 Gew.-% zugesetzt wird, wobei das zweite Polymer ein Copolymer ist, welches aus mindestens zwei der folgenden Monomereinheiten aufgebaut ist:
- 0 bis 90
- Gew.-% A, wobei A ein Monomer der Formel CH2 = C(R)-COOR1 ist, mit R gleich -H oder -CH3 und R1 gleich geradkettigem oder verzweigtem C1-10-Alkyl oder Cyclohexyl,
- 0 bis 40
- Gew.-% B, wobei B ein Monomer bestehend aus Maleinsäure oder Maleinsäureanhydrid ist, und
- 5 bis 85
- Gew.-% C, wobei C ein Monomer bestehend aus Styrol oder methylsubstituiertem Styrol ist,
- Verfahren zur Verarbeitung von Polymermischungen nach Anspruch 1, dadurch gekennzeichnet, daß die Schmelzemischung derart scherend behandelt wird, daß die mittlere Teilchengröße des zweiten Polymers unmittelbar nach Austritt aus der Spinndüse maximal 400 nm, gemessen an austretendem Gewölle, ist.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß bei der Verarbeitung zu Vorgarnen für das Strecktexturieren die Abzugsgeschwindigkeit im Bereich von 2500 bis 8000 m/min liegt und die zugesetzte Menge des zweiten Polymers in Abhängigkeit von der Abzugsgeschwindigkeit u maximal der Menge M entspricht, wobei die Größe M definiert wird durch
- Verfahren nach einem der Ansprüche 2 - 4, dadurch gekennzeichnet, daß bei einer Abzugsgeschwindigkeit von mindestens 2500 m/min, die zugesetzte Menge des zweiten Polymers so eingestellt wird, daß die Länge der Verzugszone zwischen 250 und 700 mm liegt.
- Verfahren nach einem der Ansprüche 2 - 5, dadurch gekennzeichnet, daß die Filamente zunächst aufgespult werden und dann einer Strecktexturierung bei einer Verarbeitungsgeschwindigkeit von mindestens 750 m/min zugeführt werden.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß die Filamente zunächst aufgespult werden und dann einer Streckmaschine bei einer Verarbeitungsgeschwindigkeit von mindestens 800 m/min zugeführt werden.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß nach dem Spinnen und Abziehen die Filamente direkt zwischen Galetten mechanisch verstreckt werden, dann thermofixiert werden und danach mit einer Aufspulgeschwindigkeit ≥ 4000 m/min als vollverstrecktes Garn aufgespult werden.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß ein allein durch den Spinnverzug hochorientiertes (H0Y), vollverstrecktes Garn bei Aufspulgeschwindigkeiten ≥ 6000 m/min erhalten wird.
- Verfahren nach einem der Ansprüche 2 - 10, dadurch gekennzeichnet, daß das zweite Polymer aus 50 bis 85 Gew.-% A, 5 bis 20 Gew.-% B und 5 bis 30 Gew.-% C (Summe gleich 100 %) besteht.
- Verfahren nach einem der Ansprüche 2 - 10, dadurch gekennzeichnet, daß das zweite Polymer aus 70 bis 90 Gew.-% A und 30 bis 10 Gew.-% C (Summe gleich 100 %) besteht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19707447A DE19707447A1 (de) | 1997-02-25 | 1997-02-25 | Verfahren zur Verarbeitung von Polymermischungen zu Filamenten |
DE19707447 | 1997-02-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0860524A2 EP0860524A2 (de) | 1998-08-26 |
EP0860524A3 EP0860524A3 (de) | 1999-02-03 |
EP0860524B1 true EP0860524B1 (de) | 2003-10-29 |
Family
ID=7821377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98101697A Expired - Lifetime EP0860524B1 (de) | 1997-02-25 | 1998-02-02 | Polymermischungen und Verfahren zur Verarbeitung von Polymermischungen zu Filamenten |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0860524B1 (de) |
CN (1) | CN1077925C (de) |
DE (2) | DE19707447A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19747867B4 (de) * | 1997-10-30 | 2008-04-10 | Lurgi Zimmer Gmbh | Verfahren zur Herstellung von Filamenten aus Polymermischungen |
EP1002146B1 (de) * | 1997-08-05 | 2002-06-12 | Röhm GmbH & Co. KG | Verfahren zur verarbeitung von polymermischungen zu filamenten |
JP3769379B2 (ja) * | 1998-03-19 | 2006-04-26 | 帝人ファイバー株式会社 | 捲取性の改善された高伸度ポリエステルフィラメント糸およびその製造方法 |
AU4917500A (en) * | 1999-05-10 | 2000-11-21 | Acordis Industrial Fibers Gmbh | Thread-forming polyesters and copolyesters and method for producing the same |
DE19922240A1 (de) * | 1999-05-14 | 2000-11-16 | Lurgi Zimmer Ag | Verfahren zur Herstellung von ultrafeinen synthetischen Garnen |
DE19924838A1 (de) | 1999-05-29 | 2000-11-30 | Lurgi Zimmer Ag | Spinnvorrichtung zum Verspinnen schmelzflüssiger Polymere und Verfahren zum Beheizen der Spinnvorrichtung |
DE19937727A1 (de) * | 1999-08-10 | 2001-02-15 | Lurgi Zimmer Ag | Polyester-Stapelfasern und Verfahren zu deren Herstellung |
DE10022889B4 (de) * | 2000-05-25 | 2007-12-20 | Lurgi Zimmer Gmbh | Verfahren zum Herstellen von synthetischen Fäden aus einer Polymermischung auf Polyesterbasis |
DE10054758A1 (de) * | 2000-11-04 | 2002-05-08 | Zimmer Ag | Verfahren zum Herstellen von synthetischen Fäden aus Polymermischungen |
ITMI20021373A1 (it) | 2002-06-21 | 2003-12-22 | Effeci Engineering S A S Di Fo | Mescole polimeriche e loro uso |
DE10303491A1 (de) * | 2003-01-30 | 2004-08-12 | Röhm GmbH & Co. KG | Verfahren zur Herstellung von synthetischen Fäden mit verbessertem Anfärbevermögen, synthetische Fäden mit verbessertem Anfärbevermögen sowie deren Verwendung |
CN102517679B (zh) * | 2011-12-21 | 2016-01-20 | 苏州大学 | 一种多孔微细旦锦纶6预取向丝、制备方法及其设备 |
CN102517680B (zh) * | 2011-12-21 | 2014-09-17 | 苏州大学 | 一种多孔超细旦聚酰胺6 poy/fdy交络复合纤维、制备方法及其设备 |
CN102493016B (zh) * | 2011-12-21 | 2014-08-20 | 苏州大学 | 一种多孔超细旦聚酰胺6全拉伸丝、制备方法及其设备 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS491657B1 (de) * | 1970-12-23 | 1974-01-16 | ||
JPS5691013A (en) * | 1979-12-20 | 1981-07-23 | Teijin Ltd | Undrawn polyester yarn and its production |
JPS5747912A (en) * | 1980-09-03 | 1982-03-19 | Teijin Ltd | Undrawn polyester yarn and its production |
JPS6221817A (ja) * | 1985-05-30 | 1987-01-30 | Teijin Ltd | ポリエステル繊維の超高速紡糸方法 |
DE4208916A1 (de) * | 1992-03-20 | 1993-09-23 | Akzo Nv | Polyesterfaser und verfahren zu deren herstellung |
JPH07173720A (ja) * | 1993-12-21 | 1995-07-11 | Teijin Ltd | ポリエステルフィラメントの製造方法 |
-
1997
- 1997-02-25 DE DE19707447A patent/DE19707447A1/de not_active Withdrawn
- 1997-12-09 CN CN97125423A patent/CN1077925C/zh not_active Expired - Fee Related
-
1998
- 1998-02-02 DE DE59809989T patent/DE59809989D1/de not_active Expired - Fee Related
- 1998-02-02 EP EP98101697A patent/EP0860524B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59809989D1 (de) | 2003-12-04 |
EP0860524A3 (de) | 1999-02-03 |
EP0860524A2 (de) | 1998-08-26 |
CN1191906A (zh) | 1998-09-02 |
DE19707447A1 (de) | 1998-08-27 |
CN1077925C (zh) | 2002-01-16 |
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