WO1996027037A1 - Polyesterfasern oder -fäden mit hoher pillingresistenz - Google Patents
Polyesterfasern oder -fäden mit hoher pillingresistenz Download PDFInfo
- Publication number
- WO1996027037A1 WO1996027037A1 PCT/EP1996/000775 EP9600775W WO9627037A1 WO 1996027037 A1 WO1996027037 A1 WO 1996027037A1 EP 9600775 W EP9600775 W EP 9600775W WO 9627037 A1 WO9627037 A1 WO 9627037A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- block copolymer
- polyalkylene glycol
- glycol block
- weight
- molecular weight
- Prior art date
Links
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
- D01F6/88—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
-
- 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
-
- 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
- Y10T428/2904—Staple length fiber
-
- 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
Definitions
- Polyester fibers or threads with high pilling resistance Polyester fibers or threads with high pilling resistance
- the present invention relates to polyester fibers or threads with high pilling resistance and a process for their production.
- pilling is understood to mean the formation of fiber beads which form on the textiles when fiber ends migrate out of the fabric and which have a very severe effect on the appearance of the clothing.
- the connecting fibers to the base fabric holding the pills do not break off because the polyester fibers have a much higher resistance to kinking than the natural fibers, so that the fiber balls or nubs remain attached to the fabric.
- a known measure to combat the tendency to pills is to produce polyesters of low molecular weight or a low solution viscosity, whereby the fiber strength is reduced to such an extent that the exited fiber ends and pills break off quickly, as with natural fibers.
- the fiber strengths which are up to about 40% lower, cause severe susceptibility to damage in the further processing of such fibers, so that these types of anti-pilling fibers can no longer be processed in the three-cylinder and rotor spinning mills with the same speeds and benefits as normal types of cotton.
- JP-OS 54-120 732 proposes that polyethylene terephthalate, after its polycondensation, 0.5-15% by weight, preferably 2-10% by weight, of polyethylene glycol with a molecular weight of 300-4000 to mix. Studies have shown that the buckling resistance of the fibers produced from this mixture is still too high to be able to speak of a satisfactory pilling-resistant polyester fiber (cf. Comparative Example 2).
- the object of the present invention is to provide polyester fibers or threads with high pilling resistance, the resistance to buckling of which is considerably reduced, while the strength of the fibers is at best only moderate, i.e. withdrawn by less than 10% so that their processing can be carried out in the same way as normal cotton types without any damage to the fibers.
- the invention relates to polyester fibers or threads with high pilling resistance, which are characterized in that they
- a polyester component consisting of at least 90 mol% of polyethylene terephthalate
- the polyoxypropylene core as the hydrophobic base has an average molecular weight of 3000 to 4000 and the hydrophilic polyoxyethylene groups adjoining it on the sides form 20 to 60% by weight of the total polyalkylene glycol block mixed polymer which forms a has an average molecular weight of 3750 to 10000.
- the polyester component should consist of at least 90 mol% of polyethylene terephthalate. It can then contain up to 10 mole percent of units which are derived from at least one further polyester-forming component.
- the components in question can be an aliphatic diol, such as butylene glycol and hexa ethylene glycol, an alicyclic diol, such as 1,4-cyclohexanedimethanol and cyclohexanediol, an aliphatic dicarboxylic acid, such as adipic acid and sebacic acid, an aromatic dicarboxylic acid, such as 2,6 -Naphthalenedicarboxylic acid and sodium sulfoterephthalic acid, and an alicyclic dicarboxylic acid, such as hexahydroterephthalic acid and 1,3-cyclohexanedicarboxylic acid.
- an aliphatic diol such as butylene glycol and hexa ethylene glycol
- an alicyclic diol such as 1,4-cyclohexanedimethanol and cyclohexanediol
- an aliphatic dicarboxylic acid such as adip
- the polyester component consist of the homopolyester polyethylene terephthalate.
- the polyesters in question have been produced by a transesterification process or by a direct esterification process.
- polyalkylene glycol block copolymers defined above are described in US Pat. No. 2,674,619, to which reference is made here.
- those polyalkylene glycol block copolymers are preferred in which the polyoxypropylene core has an average molecular weight of 3000 to 3400 and the hydrophilic polyoxyethylene groups form 30 to 50% by weight of the total polyalkylene glycol block copolymer, which has an average molecular weight of 4200 to 6800.
- Mixtures of polyalkylene glycol block copolymers which lie within the limits of the specific block copolymers defined and considered above can of course also be used.
- the polyalkylene glycol block copolymer component contains 3-12% by weight of phenolic or antioxidants consisting of organic phosphorus compounds.
- the following compounds are suitable, for example, also as a mixture: (5-tert-butyl-4-hydroxy-3- (methyl-benzyl) -malonic acid-di-n-octa-decyl ester, octadecyl- 3- (3,5-di-tert-butyl-4-hydroxy-phenyl) propionate, 1,3,5-trimethyl-2,4,6-tris- (3,5-di-tert.- butyl-4-hydroxy-benzyl) -benzene, N, N'-hexamethylene-bis- (3,5-di-tert-butyl-4-hydroxy-hydrocinnamic acid amide), pentaerythrityl tetrakis [3- (3, 5-bis (1,1-methyl) -4-hydroxyphenyl) propionate], 1,
- a preferred embodiment of the invention consists in that the admixed polyalkylene glycol block copolymer 6-10% by weight of pentaerythrityl tetrakis [3- (3,5-bis (1,1-methyl) -4-hydroxyphenyl) -propionate], 1,3,5-trimethyl-2,4,6-tris (3,5-di-tert-butyl-4-hydroxybenzyl) benzene, N, N'-hexamethylene-bis- Contains (3,5-di-tert-butyl-4-hydroxy-hydrocinnamic acid amide) or bis- (2,4-di-tert-butylphenyl) pentaerythritol diphosphite.
- An essential feature of the invention is that the polyalkylene glycol block copolymer component in a quantity of 1-7% by weight of the polyester component, which is always based on the polyester component, is only admixed uniformly as a separate phase after its polycondensation, after which it is spun in a conventional manner becomes.
- the Polyalkylene glycol block copolymer component Produce fibers with high pilling resistance, ie low buckling resistance, and also good other textile properties, in particular with good fiber strength, if the polyoxypropylene core in the mixed polyalkylene glycol block copolymer has an average molecular weight of 3000 to 3400 and the hydrophilic polyoxyethylene groups form 30 to 50% by weight of the total polyalkylene glycol block copolymer, which has an average molecular weight of 4200-6800.
- the mixing advantageously takes place in the molten state, it being possible to use the suitable apparatuses known for mixing highly viscous substances.
- Both static mixers e.g. with folded or twisted sheets, with inclined bores, with openings or with ball packings, as well as dynamic mixers.
- static mixers While static mixers have no moving parts, dynamic mixers, e.g. Extruders and twin-screw extruders, mobile mixing tools.
- the molten polyalkylene glycol block copolymer is mixed with the molten polyester component, preferably polyethylene terephthalate, immediately before spinning with the aid of a dynamic and static mixer.
- the polyalkylene glycol block copolymer component is metered as a melt into the melt line between the polycondensation end reactor and the spinning beam and is first mixed with the polyester melt stream using a dynamic mixer.
- the melt is made from the polyester and the polyalkylene glycol block copolymer is homogenized again with the aid of a static mixer.
- the threads spun and drawn in the usual way have the usual solution viscosities which are typical for polyethylene terephthalate fibers, e.g. are at 1.5-1.7, and essentially the usual technical textile properties have buckling abrasion resistance of well under 1000 double strokes to break, which are a sign of a high pilling resistance.
- Normal polyethylene terephthalate fibers that do not show pilling resistance have a buckling resistance of 3500 to 5000 double strokes.
- the buckling resistance was carried out according to the method described in the brochure by Stefan Kleinheinz: "Textile Tests" (June 1991, 4th edition, Akzo Fibers Division, Wuppertal).
- individual fibers are moved back and forth over a thin steel wire with a wrap angle of 110 ° under a defined tension until they break off. Since the diameter of the steel wire is of the same order of magnitude as the fiber diameter (20 - 40 ⁇ m), there is a strong bending stress in addition to the pure abrasion effect.
- polyester fibers of a single titer of 1.5 dtex produced in the examples were tested under a load of 4.5 cN / tex against a wire with 20 ⁇ m.
- the relative solution viscosity given in the examples was measured at 25 ° C. as a 1% strength by weight solution in m-cresol.
- Polyethylene terephthalate melt is continuously polycondensed by the direct esterification or transesterification process and fed to the spinning system via a melt line after the end reactor.
- the discontinuous condensation with schnitzel production and subsequent melting with the help of an extruder can also be used here.
- the melt from the polyester and block copolymer is again homogenized by means of a static mixer, for example of the Sulzer mixer SMX type to ensure that all spinning positions are loaded with a product of the same composition, which ensures a uniform quality of the polyester Fiber is necessary.
- a static mixer for example of the Sulzer mixer SMX type to ensure that all spinning positions are loaded with a product of the same composition, which ensures a uniform quality of the polyester Fiber is necessary.
- fiber nozzles with a number of holes of 2000 per nozzle are used.
- the take-off speed is in the range of 1200 - 1500 m / min.
- the stretching is carried out in two stages with the help of septets.
- the cable Before entering the 1st septet, the cable is treated with finishing agent in a bath.
- the septets are followed by a calender, which is used to fix the cable to low shrinkage values of approx. 4-5% hot air shrinkage (at 190 ° C).
- the rollers are heated to approx. 220 ° C.
- the cables are cooled, rela ⁇ xed, layered and, after a further finishing treatment, subjected to a crimping process in the crimper. Drying in a belt dryer follows the crimper, for which the cable is transversely oscillated for a sufficient dwell time. The cable is then cut and the flake compressed in a baler and automatically packed.
- Example 1 The procedure of Example 1 was otherwise repeated in the same manner with the modification that 2% by weight, based on the polyethylene terephthalate used, of a polyalkylene glycol block copolymer whose polyoxypropylene core has an average molecular weight of 3,250 and whose Polyoxyethylene groups form 30% by weight of the block copolymer, into the melt line between the final reactor and the spinning beam.
- the average molecular weight of the block copolymer is about 4600.
- the fibers obtained had a buckling resistance of 610 double strokes. Its strength was 45.9 cN / tex, its elongation 26.8%.
- Example 2 The procedure of Example 1 was otherwise repeated in the same way with the modification that 2% by weight, based on the polyethylene terephthalate used, of a polyalkylene glycol block copolymer whose polyoxypropylene core has an average molecular weight of 1750 and whose Polyoxyethylene groups form 50% by weight of the block copolymer into which melt line between the end reactor and the spinning beam has been metered.
- the fibers obtained had a strength of 47.5 cN / tex and an elongation of 26.7%, but a buckling resistance of 2438 double strokes. The excessively high abrasion resistance indicates that these fibers have an insufficient pilling resistance. Comparative Example 2
- Example 1 The procedure of Example 1 was otherwise repeated in the same manner with the modification that 2 percent by weight, based on the polyethylene terephthalate used, of a polyethylene glycol with an average molecular weight of 4000 was metered into the melt line between the end reactor and the spinning beam.
- the fibers obtained had a strength of 46.3 cN / tex and an elongation of 28.1%, but a buckling resistance of 4300 double strokes. However, this kink abrasion resistance indicates that these fibers have no pilling resistance at all.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/894,690 US5858529A (en) | 1995-03-02 | 1996-02-26 | Polyester staple fibers of filaments with high resistance to pilling |
BR9607648A BR9607648A (pt) | 1995-03-02 | 1996-02-26 | Fibras ou fios de poliéster tendo alta resisténcia ao embolotamento e processo para sua preparação |
EP96902999A EP0812369A1 (de) | 1995-03-02 | 1996-02-26 | Polyesterfasern oder -fäden mit hoher pillingresistenz |
MXPA/A/1997/006625A MXPA97006625A (en) | 1995-03-02 | 1997-08-29 | Fibers or threads of polyesters with high resistance to the formation of boli |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19507111.5 | 1995-03-02 | ||
DE19507111A DE19507111C1 (de) | 1995-03-02 | 1995-03-02 | Polyesterfasern oder -fäden mit hoher Pillingresistenz und Verfahren zu deren Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996027037A1 true WO1996027037A1 (de) | 1996-09-06 |
Family
ID=7755338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1996/000775 WO1996027037A1 (de) | 1995-03-02 | 1996-02-26 | Polyesterfasern oder -fäden mit hoher pillingresistenz |
Country Status (9)
Country | Link |
---|---|
US (1) | US5858529A (de) |
EP (1) | EP0812369A1 (de) |
AR (1) | AR001123A1 (de) |
BR (1) | BR9607648A (de) |
CA (1) | CA2214007A1 (de) |
CO (1) | CO4520318A1 (de) |
DE (1) | DE19507111C1 (de) |
WO (1) | WO1996027037A1 (de) |
ZA (1) | ZA961489B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19951067B4 (de) * | 1999-10-22 | 2004-04-08 | Inventa-Fischer Ag | Polyesterfasern mit verminderter Pillingneigung sowie Verfahren zu ihrer Herstellung |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54120732A (en) * | 1978-03-14 | 1979-09-19 | Kanebo Ltd | Polyester fibers having pilling resistance and easy dyeability |
JPS5516051A (en) * | 1978-07-24 | 1980-02-04 | Teijin Ltd | Polyester composition |
JPS5590618A (en) * | 1978-12-22 | 1980-07-09 | Toyobo Co Ltd | Production of modified polyester fiber |
EP0122623A2 (de) * | 1983-04-14 | 1984-10-24 | Toyo Boseki Kabushiki Kaisha | Antistatische Faser und Herstellung derselben |
JPS60224811A (ja) * | 1984-04-18 | 1985-11-09 | Teijin Ltd | 制電性ポリエステル糸条の製造法 |
JPH01124615A (ja) * | 1987-11-09 | 1989-05-17 | Toyobo Co Ltd | 制電性ポリエステル繊維の製造方法 |
JPH0345745A (ja) * | 1989-07-13 | 1991-02-27 | Kuraray Co Ltd | 夜具地 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2674619A (en) * | 1953-10-19 | 1954-04-06 | Wyandotte Chemicals Corp | Polyoxyalkylene compounds |
US3560591A (en) * | 1966-05-13 | 1971-02-02 | Toyo Rayon Co Ltd | Polyester composition having antistatic ability containing polyalkylene oxides and organic sulfonic acid salts |
DE1719231B2 (de) * | 1967-01-13 | 1972-07-13 | Toyo Boseki K K , Osaka (Japan) | Verfahren zur herstellung von polyurethanloesungen |
CA942444A (en) * | 1970-03-23 | 1974-02-19 | Koji Ohno | Fiber-forming polyester and process for its production |
US3669933A (en) * | 1970-04-28 | 1972-06-13 | Monsanto Co | Thermally stable dyeable polyester fibers having inherent oil stain release properties |
US4134882A (en) * | 1976-06-11 | 1979-01-16 | E. I. Du Pont De Nemours And Company | Poly(ethylene terephthalate)filaments |
US4211678A (en) * | 1978-09-12 | 1980-07-08 | Akzona Incorporated | Copolyester yarns and fibers dyeable without carrier at atmospheric pressure |
US4467595A (en) * | 1980-08-18 | 1984-08-28 | Akzona Incorporated | Latent contractable elastomers, composite yarns therefrom and methods of formation and use |
CH671133B5 (de) * | 1982-03-30 | 1990-02-15 | Schweizerische Viscose | |
EP0220576B1 (de) * | 1985-10-14 | 1991-01-02 | Teijin Limited | Fleckenbeständige Polyesterfaser |
GB8806419D0 (en) * | 1988-03-18 | 1988-04-20 | Du Pont | Improvements relating to fibres |
US5209823A (en) * | 1989-10-05 | 1993-05-11 | Nalco Chemical Company | Water-soluble dispersant which aids in the dispersion of polyester fibers during the preparation of a wet-laid nonwoven fiber mat |
US5053482A (en) * | 1990-05-11 | 1991-10-01 | E. I. Du Pont De Nemours And Company | Novel polyesters and their use in compostable products such as disposable diapers |
US5097004A (en) * | 1990-05-11 | 1992-03-17 | E. I. Du Pont De Nemours And Company | Novel polyesters and their use in compostable products such as disposable diapers |
US5156906A (en) * | 1991-09-30 | 1992-10-20 | Basf Corporation | Method of pretreating fabrics in impart soil release properties thereto |
-
1995
- 1995-03-02 DE DE19507111A patent/DE19507111C1/de not_active Expired - Lifetime
-
1996
- 1996-02-23 ZA ZA961489A patent/ZA961489B/xx unknown
- 1996-02-26 CA CA002214007A patent/CA2214007A1/en not_active Abandoned
- 1996-02-26 EP EP96902999A patent/EP0812369A1/de not_active Ceased
- 1996-02-26 WO PCT/EP1996/000775 patent/WO1996027037A1/de not_active Application Discontinuation
- 1996-02-26 US US08/894,690 patent/US5858529A/en not_active Expired - Fee Related
- 1996-02-26 BR BR9607648A patent/BR9607648A/pt not_active Application Discontinuation
- 1996-02-29 AR AR33559396A patent/AR001123A1/es unknown
- 1996-02-29 CO CO96009619A patent/CO4520318A1/es unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54120732A (en) * | 1978-03-14 | 1979-09-19 | Kanebo Ltd | Polyester fibers having pilling resistance and easy dyeability |
JPS5516051A (en) * | 1978-07-24 | 1980-02-04 | Teijin Ltd | Polyester composition |
JPS5590618A (en) * | 1978-12-22 | 1980-07-09 | Toyobo Co Ltd | Production of modified polyester fiber |
EP0122623A2 (de) * | 1983-04-14 | 1984-10-24 | Toyo Boseki Kabushiki Kaisha | Antistatische Faser und Herstellung derselben |
JPS60224811A (ja) * | 1984-04-18 | 1985-11-09 | Teijin Ltd | 制電性ポリエステル糸条の製造法 |
JPH01124615A (ja) * | 1987-11-09 | 1989-05-17 | Toyobo Co Ltd | 制電性ポリエステル繊維の製造方法 |
JPH0345745A (ja) * | 1989-07-13 | 1991-02-27 | Kuraray Co Ltd | 夜具地 |
Non-Patent Citations (6)
Title |
---|
DATABASE WPI Section Ch Week 7944, Derwent World Patents Index; Class A23, AN 79-79679B, XP002003972 * |
DATABASE WPI Section Ch Week 8551, Derwent World Patents Index; Class A23, AN 85-320913, XP002003973 * |
DATABASE WPI Section Ch Week 8926, Derwent World Patents Index; Class A32, AN 89-187448, XP002003971 * |
PATENT ABSTRACTS OF JAPAN vol. 004, no. 042 (C - 005) 3 April 1980 (1980-04-03) * |
PATENT ABSTRACTS OF JAPAN vol. 004, no. 140 (C - 026) 3 October 1980 (1980-10-03) * |
PATENT ABSTRACTS OF JAPAN vol. 015, no. 181 (C - 0830) 9 May 1991 (1991-05-09) * |
Also Published As
Publication number | Publication date |
---|---|
EP0812369A1 (de) | 1997-12-17 |
DE19507111C1 (de) | 1996-10-02 |
CO4520318A1 (es) | 1997-10-15 |
BR9607648A (pt) | 1998-06-16 |
CA2214007A1 (en) | 1996-09-06 |
MX9706625A (es) | 1997-11-29 |
AR001123A1 (es) | 1997-09-24 |
US5858529A (en) | 1999-01-12 |
ZA961489B (en) | 1996-08-27 |
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