EP0663966B2 - Monofilamente mit verbesserter webbarkeit, sowie deren verwendung - Google Patents
Monofilamente mit verbesserter webbarkeit, sowie deren verwendung Download PDFInfo
- Publication number
- EP0663966B2 EP0663966B2 EP94920865A EP94920865A EP0663966B2 EP 0663966 B2 EP0663966 B2 EP 0663966B2 EP 94920865 A EP94920865 A EP 94920865A EP 94920865 A EP94920865 A EP 94920865A EP 0663966 B2 EP0663966 B2 EP 0663966B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- monofilament
- monofilaments
- thread
- polyester
- pet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 22
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 22
- -1 polyethylene terephthalate Polymers 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 229920001634 Copolyester Polymers 0.000 claims description 7
- 229920006294 polydialkylsiloxane Polymers 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims 1
- 239000002759 woven fabric Substances 0.000 claims 1
- 229920000728 polyester Polymers 0.000 description 20
- 239000004205 dimethyl polysiloxane Substances 0.000 description 16
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 16
- 206010061592 cardiac fibrillation Diseases 0.000 description 11
- 230000002600 fibrillogenic effect Effects 0.000 description 11
- 238000009941 weaving Methods 0.000 description 11
- 238000005299 abrasion Methods 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 235000014676 Phragmites communis Nutrition 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 229920001296 polysiloxane Polymers 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 244000273256 Phragmites communis Species 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 241001295925 Gegenes Species 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
- D01F6/84—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from copolyesters
Definitions
- the invention relates to a monofilament with a diameter of 0.01 to ⁇ 0.1 mm, made of a copolyester Polyethylene terephthalate / polydialkylsiloxane, the polyethylene terephthalate content of which is at least 85% by weight, for the production of fabrics and for the use of these fabrics.
- Fine monofilaments are to be understood here as monofilaments whose diameters range from 0.01 to ⁇ 0.1 mm.
- the object of the invention is to improve the weavability of fine polyester monofilaments in warp and weft, to produce no peeling, splices and no abrasion during weaving and the running times for Extend weaving by reducing cleaning effort.
- the monofilament has a maximum tensile strength or elongation at break of ⁇ 30%, a strength of at least 45 cN / tex and at the same time an elastic modulus at 5% Has an elongation of> 500 cN / tex.
- copolyesters are included in the polyester chain built-in comonomers made of functionalized polysiloxanes, the weavability of the monofilaments with a Significantly improve diameters from 0.01 to ⁇ 0.1 mm. There are no visible peeling on fine Monofilament between 0.01 and ⁇ 0.1 mm in diameter. This means that the previously frequent cleaning cycles can be carried out in the weaving mill extend significantly. There are no blockages in the tissue openings.
- copolyesters are used which are already in the production be modified with functionalized polydialkylsiloxanes and which preferably contain about 0.5% by weight of silicon in the finished thread.
- Polysiloxanes of the type used as the starting material for the Use according to the invention are known from EP-A-0 269 023.
- the well-known chemically modified Polymers are used to manufacture matrix fibers, but are in their present form for precision fabrics unsuitable for filter media, screen printing.
- JP-A-50090715 describes a mixture (blend) of a polyester with a polysiloxane for the production of Multifilaments known.
- the monofilament has a residual tensile strength of> 85%. based on the knot-free Monofilament with a maximum tensile strength extension of 15%. With this combination, the knot strength of the monofilament significantly improved.
- the Si content is 0.05 to 2.0% by weight, in particular 0.05 to 1.5, preferably 0.05 to 1.0 % By weight, based on the weight of the monofilament.
- test device under web-like conditions was used to determine the abrasion and the peeling used.
- the abrasion of the polyester monofilament modified according to the invention is on the reed from the test device used although still very poorly visible, it is no longer weighable. It is particularly advantageous that the Manufacturing a fabric on a loom does not necessarily mean cleaning the reeds in the meantime is necessary or that the cleaning cycle is extended. This also makes the quality of the fabric significant improved.
- polyester / polydialkylsiloxane monofilaments according to the invention is particularly useful for the production of fabrics for filter media, sieves and those suitable for screen printing.
- 13f1 was chosen as the model titer and the copolyester made of polyethylene terephthalate (PET) and polydimethylsiloxane (PDMS) as the polymer. This corresponds to a diameter of 0.034 mm for all (PET) / (PDMS) monofilaments.
- the spinning conditions for all examples are: melt temperature 290 ° C winding speed 600 m / min Polymer throughput 23 g / min or 27 g / min
- the monofilaments were further stretched on a stretching machine to the maximum tensile strength of 28 +/- 2% or 20 +/- 2% single-stage stretched at 200 ° C at 100 m / min.
- FIG. 2 shows the result of a weaving test in the form of photographic recordings of the weaving leaf used again.
- the threads with positions 1-4 are according to the invention and show very little abrasion and peeling; the threads according to items 5-10 are comparative tests without PDMS and show considerable abrasion or Peels on the reed of the test machine. It follows that the monofilament according to the invention shows significantly improved weavability and longer working cycles.
- the determination of the coefficient of friction is based on the rope friction equation.
- the measurement of the coefficient of friction was carried out using a device from Rothschild Mess Instrumente, Zurich, for 2 minutes.
- the determination of the coefficient of friction "ceramic / thread", the ceramic pin has a diameter of 20 mm and a Roughness of 0.45.
- the monofilament made of PET / PDMS is about 10% lower friction coefficient in both In the case of thread / thread as well as in the case of ceramic / thread.
- the monofilament according to the invention shows a significantly lower fibrillation.
- the claimed monofilaments made of PET / PDMS are also less stiff than known monofilaments. According to the invention, the peeling of homogeneous polyester monofilaments with a diameter ⁇ 0.1 mm and a residual elongation ⁇ 30% has been successfully eliminated for the first time.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Woven Fabrics (AREA)
- Filtering Materials (AREA)
Description
| Schmelzetemperatur | 290°C |
| Wickelgeschwindigkeit | 600 m/min |
| Polymerdurchsatz | 23 g/min bzw. 27 g/min |
| Polymer | Dehnung [%] | Festigkeit [cN/tex] | Modul bei 5 % Dehnung[cN/tex] |
| PET | 27 | 55 | 695 |
| PET | 19 | 62 | 860 |
| PET/PDMS | 29 | 56 | 685 |
| PET/PDMS | 19 | 59 | 840 |
- Fig. 1
- das K/D-Diagramm Polyester gegen Polyester/PDMS
- Fig. 2
- eine photographische Aufnahme von einem Webblatt der Testvorrichtung (nach dem Test)
| Polymer | µF/F | µK/F |
| PET | 0.33 | 0.53 |
| PET/PDMS | 0.29 | 0.48 |
| Polymer | Dt= 28 % | Dt= 18 % |
| PET | 90 | 81 |
| PET/PDMS | 91 | 89 |
| Dt = Dehnung |
| 0.0 - 0.5 | gar keine bzw. sehr schwache Fibrillation |
| 0.5 - 1.5 | schwache Fibrillation |
| 1.5 - 3.5 | mittelstarke bis starke Fibrillation |
| 3.5 - 4.5 | sehr starke Fibrillation |
| > 4.5 | sehr starke Beschädigung |
| Polymer | Restdehnung= 28 % | Restdehnung= 20 % | ||
| 2000/10 | 2000/15 | 2000/10 | 2000/15 | |
| PET | 1.0 | 1.5 | 1.3 | 2.2 |
| PET/DMS | 0.0 | 0.1 | 0.3 | 0.4 |
Es geht daraus hervor, dass das erfindungsgemässe Monofilament eine wesentlich geringere Fibrillation zeigt. Die beanspruchten Monofilamente aus PET/PDMS sind auserdem weniger steif als bekannte Monofilamente. Nach der Erfindung ist es erstmals gelungen, die Abschälungen von homogenen Polyester-Monofilamenten mit einem Durchmesser < 0.1 mm und einer Restdehnung < 30% zu eliminieren.
Claims (5)
- Monofilament mit einem Durchmesser von 0,01 - < 0,1 mm aus einem Copolyester aus Polyethylenterephthalat/Polydialkylsiloxan, dessen Polyethylenterephthalatanteil wenigstens 85 Gew.-% beträgt, zur Herstellung von Geweben, wobei das Monofilament eine Höchstzugkraftdehnung von < 30 %, eine Festigkeit von wenigstens 45 cN/tex und gleichzeitig einen E-Modul bei 5 % Dehnung von > 500 cN/tex aufweist.
- Monofilament nach Anspruch 1, gekennzeichnet durch einen Faden/Faden Reibungskoeffizienten µ < 0,30 und einen Keramik/Fäden Reibungskoeffizienten µ < 0,50.
- Monofilament nach Anspruch 1, gekennzeichnet durch eine Restreisskraft von > 85 % bezogen auf das knotenfreie Monofil bei einer Höchstzugkraftdehnung von 18 %.
- Monofilament nach Anspruch 1, gekennzeichnet durch einem Si-Gehalt von 0,05 bis 2,0 Gew.-%, bezogen auf das Gewicht des Monofilaments.
- Verwendung der Monofilamente mit einem Durchmesser von 0,01 < 0,1 mm, aus einem Copolyester aus Polyethylenterephthalat/ Polydialkylsiloxan zur abschäl- und abriebfreien Herstellung von dichten Präzisionsgeweben für Filtermittel, Siebe und solche für den Siebdruck.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH235593 | 1993-08-06 | ||
| CH235593 | 1993-08-06 | ||
| CH2355/93 | 1993-08-06 | ||
| PCT/CH1994/000156 WO1995004847A1 (de) | 1993-08-06 | 1994-07-27 | Monofilamente mit verbesserter webbarkeit, sowie verwendung der damit hergestellten gewebe |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0663966A1 EP0663966A1 (de) | 1995-07-26 |
| EP0663966B1 EP0663966B1 (de) | 1999-01-13 |
| EP0663966B2 true EP0663966B2 (de) | 2002-05-02 |
Family
ID=4231856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94920865A Expired - Lifetime EP0663966B2 (de) | 1993-08-06 | 1994-07-27 | Monofilamente mit verbesserter webbarkeit, sowie deren verwendung |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0663966B2 (de) |
| JP (1) | JP3249527B2 (de) |
| DE (1) | DE59407653D1 (de) |
| ES (1) | ES2129651T5 (de) |
| WO (1) | WO1995004847A1 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995001471A1 (de) † | 1993-07-02 | 1995-01-12 | Rhone-Poulenc Viscosuisse S.A. | Verfahren zur herstellung von schmutzabweisenden und abrasionsbeständigen monofilamenten und deren verwendung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5090715A (de) * | 1973-12-20 | 1975-07-21 | ||
| JPH0643644B2 (ja) * | 1983-10-05 | 1994-06-08 | 東レ・モノフィラメント株式会社 | 防汚性ポリエステルモノフィラメント |
| JPS6081312A (ja) * | 1983-10-05 | 1985-05-09 | Toray Monofilament Co Ltd | 漁業用ポリエステルモノフイラメント |
| JPS60194118A (ja) * | 1984-03-12 | 1985-10-02 | Unitika Ltd | ポリエステルモノフイラメント |
| US4758637A (en) * | 1985-09-11 | 1988-07-19 | Union Carbide Corporation | Silicone-modified polyester resin and silicone-sheathed polyester fibers made therefrom |
| FR2688509A1 (fr) * | 1992-03-13 | 1993-09-17 | Rhone Poulenc Fibres | Copolymere polyester/polydiorganosiloxane, composition contenant ce polymere et procedes de fabrication de ce copolymere et cette composition. |
-
1994
- 1994-07-27 ES ES94920865T patent/ES2129651T5/es not_active Expired - Lifetime
- 1994-07-27 DE DE59407653T patent/DE59407653D1/de not_active Expired - Fee Related
- 1994-07-27 EP EP94920865A patent/EP0663966B2/de not_active Expired - Lifetime
- 1994-07-27 JP JP50613195A patent/JP3249527B2/ja not_active Expired - Fee Related
- 1994-07-27 WO PCT/CH1994/000156 patent/WO1995004847A1/de not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995001471A1 (de) † | 1993-07-02 | 1995-01-12 | Rhone-Poulenc Viscosuisse S.A. | Verfahren zur herstellung von schmutzabweisenden und abrasionsbeständigen monofilamenten und deren verwendung |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08503273A (ja) | 1996-04-09 |
| ES2129651T5 (es) | 2002-11-16 |
| EP0663966A1 (de) | 1995-07-26 |
| WO1995004847A1 (de) | 1995-02-16 |
| ES2129651T3 (es) | 1999-06-16 |
| JP3249527B2 (ja) | 2002-01-21 |
| DE59407653D1 (de) | 1999-02-25 |
| EP0663966B1 (de) | 1999-01-13 |
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