EP1541725B1 - Filaments continus volumineux et creux à trois faces, fils et tapis produits à partir de ceux-ci - Google Patents
Filaments continus volumineux et creux à trois faces, fils et tapis produits à partir de ceux-ci Download PDFInfo
- Publication number
- EP1541725B1 EP1541725B1 EP04257186A EP04257186A EP1541725B1 EP 1541725 B1 EP1541725 B1 EP 1541725B1 EP 04257186 A EP04257186 A EP 04257186A EP 04257186 A EP04257186 A EP 04257186A EP 1541725 B1 EP1541725 B1 EP 1541725B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filament
- void
- ratio
- apex
- tip
- 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.)
- Not-in-force
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- 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
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
Definitions
- Glitter is the property of the yarn relating to the yarn's ability to reflect incident light.
- the amount of glitter exhibited by a yarn is a measure of the relative fraction of light that is reflected by the yarn.
- Bath is the property of the yarn, which most closely correlates to surface coverage ability of a given yarn.
- the filament has a generally "delta-shaped" void extending centrally and axially therethrough.
- the void has a geometric center and three major apices. Each side of the void is convexly shaped and is formed from two facets that meet to define a minor apex intermediate the first and second ends thereof.
- the distance (R M ) from the geometric center of the void to each major apex and the distance (R m ) from the geometric center of the void to each minor apex defines an apex ratio (R M /R m ) in the range from about 1.0 to about 1.55, and more particularly in the range from 1.05 to 1.50.
- Each exterior side 14A, 14B, 14C of the filament 10 thus exhibits a generally "wavy" configuration having two concave regions (i.e., the depressed regions 22, 24) and three convex regions (i.e., the bowed intermediate region 26 and the rounded regions 28 disposed near each rounded tip of each side).
- a yarn formed therefrom is believed to be particularly advantageous for tufting [with other types of yarn(s), if desired] into carpet having especially desirable properties.
- the yarn could include other forms of filament(s).
- each orifice 56-1, 56-2 and 56-3 are arranged such that the axes 64B, 64C thereof project toward an apex point 72 disposed intermediate adjacent orifices. Extensions of each of the axes 64B, 64C of these legs 62B, 62C intersect at an apex point 72.
- Each apex point 72 corresponds to a respective minor apex 40A, 40B, 40C of the void 30 of the filament being spun.
- the ends of the confronting legs 62B, 62C are spaced from each other by a gap 74A, 74B, 74C.
- the dimension of the gaps 74A, 74B, 74C is indicated by the reference character C.
- the width dimensions of the legs 62A, 62B, 62C are indicated by the respective reference character B 1 , B 2 , B 3 .
- the width dimension of the radially extending leg 62A (indicated by the reference character B 1 ) is wider than the width dimensions (indicated by the reference characters B 2 , B 3 ) of the other legs 62B, 62C.
- Nylon 6,6 filaments having various cross-sections were produced for Comparative Examples A and B and for Invention Examples 1 and 2 from appropriately configured spinnerets, each with one hundred thirty-six (136) capillaries.
- the relative viscosity (RV) was measured by dissolving 5.5 grams of nylon 6,6 polymer in fifty cubic centimeters (50 cc) of formic acid.
- the RV is the ratio of the absolute viscosity of the nylon 66/formic acid solution to the absolute viscosity of the formic acid. Both absolute viscosities were measured at twenty-five degrees Centigrade (25 °C).
- Examples 1 and 2 demonstrate distinctly different and lower "Glitter” in the final carpet than do Comparative Examples A and B.
- the filament and yarn of the present invention is useful as a carpet yarn having more "wool-like" appearance when made into carpet than yarns of the prior art having similar bulk, soiling and cleaning characteristics.
- the filament of the invention is also smoother (i.e., with rounded tips and without sharply defined cusps) and therefore less prone to soiling than other known high bulk trilobal fibers that can otherwise impart similar aesthetics to a carpet made therefrom, as is clearly supported by the soiling data in Table 2.
- a carpet constructed from yarn of the present invention therefore retains its appearance longer in service than carpets made from yarn of the prior art.
- the invention provides a surprisingly low glitter yarn that can produce carpets of comparable bulk to carpets made from such high glitter yarns as the solid trilobal cross section filaments (Comparative Example A).
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Claims (15)
- Filament continu volumineux formé à partir d'un polymère synthétique, le filament ayant une configuration extérieure à trois côtés et un rayon mineur (R1) et un rayon majeur (R2),
le rapport du rayon majeur (R2) sur le rayon mineur (R1) définissant un rapport de modification externe (R2/R1) situé dans la plage de 1,4 à 2,0,
chaque côté définissant un contour incurvé de manière régulière s'étendant entre une première et une seconde extrémités arrondie, chaque côté ayant une région déprimée s'étendant vers l'intérieur disposée de manière adjacente par rapport à chaque extrémité arrondie,
chaque extrémité arrondie ayant un rayon d'extrémité (R3), le rapport du rayon majeur (R2) sur le rayon de l'extrémité (R3) définissant un rapport des extrémités (R2/R3) situé dans la plage de 2,0 à 4,0,
le filament ayant un vide généralement en forme de delta s'étendant de manière centrale et axiale à travers celui-ci, le vide ayant un centre géométrique et trois apices majeurs,
chaque côté du vide étant de forme convexe et ayant une première et une seconde extrémités, chaque côté du vide étant formé de deux facettes qui se rencontrent pour définir un apex mineur intermédiaire entre la première et la seconde extrémités de celui-ci, la distance (RM) du centre géométrique du vide à chaque apex majeur et la distance (Rm) du centre géométrique du vide à chaque apex mineur définissant un rapport des apices (RM/Rm) situé dans la plage de 1,0 à 1,55,
le vide étant orienté à l'intérieur du filament de sorte que chaque apex majeur s'étend vers le point médian approximatif d'un côté de l'extérieur du filament et chaque apex mineur s'étend vers une extrémité externe d'un filament,
le vide occupant de quatre pour cent (4 %) à vingt-cinq pour cent (25 %) de la section transversale du filament. - Filament continu volumineux selon la revendication 1, dans lequel le rapport de modification externe (R2/R1) se situe dans la plage de 1,6 à 1,8.
- Filament continu volumineux selon la revendication 1, dans lequel le rapport des extrémités (R2/R3) se situe dans la plage de 2,0 à 3,0.
- Filament continu volumineux selon la revendication 1, dans lequel le rapport des apices (RM/Rm) se situe dans la plage de 1,05 à 1,50.
- Filament continu volumineux selon la revendication 1, dans lequel le vide occupe de quatre pour cent (4 %) à quinze pour cent (15 %) de la section transversale du filament.
- Filament continu volumineux mis en forme comprenant une pluralité de filaments continus volumineux, chaque filament continu volumineux dans le fil étant formé d'un polymère synthétique et ayant une configuration extérieure à trois côtés et un rayon mineur (R1) et un rayon majeur (R2), et dans lequel, pour chacun desdits filaments
le rapport du rayon majeur (R2) sur le rayon mineur (R1) définissant un rapport de modification externe (R2/R1) dans la plage de 1,4 à 2,0,
chaque côté définissant un contour incurvé de manière régulière s'étendant entre une première et une seconde extrémités arrondies, chaque côté ayant une région déprimée s'étendant vers l'intérieur disposée de manière adjacente à chaque extrémité arrondie,
chaque extrémité arrondie ayant un rayon d'extrémité (R3), le rapport du rayon majeur (R2) sur le rayon d'extrémité (R3) définissant un rapport des extrémités (R2/R3) dans la plage de 2,0 à 4,0,
chaque filament ayant un vide généralement en forme de delta s'étendant de manière centrale et axiale à travers, le vide ayant un centre géométrique et trois apices majeurs,
chaque côté de chaque vide étant de forme convexe et ayant une première et une seconde extrémités, chaque côté de chaque vide étant formé de deux facettes qui se rencontrent pour définir un apex mineur intermédiaire à la première et à la seconde extrémités de celui-ci, la distance (RM) du centre géométrique du vide à chaque apex majeur et la distance (Rm) du centre géométrique du vide à chaque apex mineur définissant un rapport des apices (RM/Rm) situé dans la plage de 1,0 à 1,55,
chaque vide étant orienté à l'intérieur d'un filament de sorte que chaque apex majeur du vide s'étend vers le point médian approximatif d'un côté de l'extérieur du filament et chaque apex mineur s'étend vers une extrémité extérieure d'un filament,
chaque vide occupant de quatre pour cent (4 %) à vingt-cinq pour cent (25 %) de la section transversale du filament. - Filament continu volumineux selon la revendication 6, dans lequel le rapport de modification externe (R2/R1) de chacun desdits filaments continus volumineux se situe dans la plage de 1,6 à 1,8.
- Filament continu volumineux selon la revendication 6, dans lequel le rapport des extrémités (R2/R3) de chacun de substantiellement tous lesdits filaments continus volumineux se situe dans la plage de 2,0 à 3,0.
- Filament continu volumineux selon la revendication 6, dans lequel le rapport des apices (RM/Rm) de chacun desdits filaments continus volumineux se situe dans la plage de 1,05 à 1,50.
- Filament continu volumineux selon la revendication 6, dans lequel le vide de chacun desdits filaments continus volumineux occupe de quatre pour cent (4 %) à quinze pour cent (15 %) de la section transversale du filament.
- Tapis comprenant une pluralité de fils continus volumineux touffetés dans un support, chaque fil comprenant une pluralité de filaments continus volumineux, chacun desdits filaments continus volumineux dans chacun desdits fils étant formé d'un polymère synthétique et ayant une configuration extérieure à trois côtés et un rayon mineur (R1) et un rayon majeur (R2), et dans lequel, pour chacun desdits filaments
le rapport du rayon majeur (R2) sur le rayon mineur (R1) définissant un rapport de modification externe (R2/R1) situé dans la plage de 1,4 à 2,0,
chaque côté définissant un contour incurvé de manière régulière s'étendant entre une première et une seconde extrémités arrondies, chaque côté ayant une région déprimée s'étendant vers l'intérieur disposée de manière adjacente à chaque extrémité arrondie,
chaque extrémité arrondie ayant un rayon d'extrémité (R3), le rapport du rayon majeur (R2) sur le rayon d'extrémité (R3) définissant un rapport des extrémités (R2/R3) dans la plage de 2,0 à 4,0,
chaque filament ayant un vide généralement en forme de delta s'étendant de manière centrale et axiale à travers, le vide ayant un centre géométrique et trois apices majeurs,
chaque côté de chaque vide étant de forme convexe et ayant une première et une seconde extrémités, chaque côté de chaque vide étant formé de deux facettes qui se rencontrent pour définir un apex mineur intermédiaire à la première et à la seconde extrémités de celui-ci, la distance (RM) du centre géométrique du vide à chaque apex majeur et la distance (Rm) du centre géométrique du vide à chaque apex mineur définissant un rapport des apices (RM/Rm) situé dans la plage de 1,0 à 1,55,
chaque vide étant orienté à l'intérieur d'un filament de sorte que chaque apex majeur du vide s'étend vers le point médian approximatif d'un côté de l'extérieur du filament et chaque apex mineur s'étend vers une extrémité extérieure d'un filament,
chaque vide occupant de quatre pour cent (4 %) à vingt-cinq pour cent (25 %) de la section transversale du filament. - Tapis selon la revendication 11, dans lequel le rapport de modification externe (R2/R1) de chacun desdits filaments continus volumineux se situe dans la plage de 1,6 à 1,8.
- Tapis selon la revendication 11, dans lequel le rapport des extrémités (R2/R3) de chacun desdits filaments continus volumineux se situe dans la plage de 2,0 à 3,0.
- Tapis selon la revendication 11, dans lequel le rapport des apices (RM/Rm) de chacun desdits filaments continus volumineux se situe dans la plage de 1,05 à 1,50.
- Tapis selon la revendication 11, dans lequel le vide de chacun desdits filaments continus volumineux occupe de quatre pour cent (4 %) à quinze pour cent (15 %) de la section transversale du filament.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52387003P | 2003-11-19 | 2003-11-19 | |
US523870P | 2003-11-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1541725A1 EP1541725A1 (fr) | 2005-06-15 |
EP1541725B1 true EP1541725B1 (fr) | 2009-08-26 |
Family
ID=34520264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04257186A Not-in-force EP1541725B1 (fr) | 2003-11-19 | 2004-11-19 | Filaments continus volumineux et creux à trois faces, fils et tapis produits à partir de ceux-ci |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1541725B1 (fr) |
AT (1) | ATE440979T1 (fr) |
DE (1) | DE602004022763D1 (fr) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH435535A (de) * | 1965-10-21 | 1967-05-15 | Inventa Ag | Spinnplatte |
CZ161992A3 (en) * | 1991-05-31 | 1993-12-15 | Basf Corp | Filament of a hollow three-lobe cross-section and a plate-like spinning nozzle for producing thereof |
JPH05287632A (ja) * | 1992-04-02 | 1993-11-02 | Toray Ind Inc | 中空捲縮糸 |
CA2108382A1 (fr) * | 1992-12-08 | 1994-06-09 | Arthur M. Reader | Fibre creuse de section trilobee |
US6048615A (en) * | 1998-01-30 | 2000-04-11 | E. I. Du Pont De Nemours And Company | Filament having a trilobal cross-section and a trilobal void |
-
2004
- 2004-11-19 DE DE602004022763T patent/DE602004022763D1/de active Active
- 2004-11-19 EP EP04257186A patent/EP1541725B1/fr not_active Not-in-force
- 2004-11-19 AT AT04257186T patent/ATE440979T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1541725A1 (fr) | 2005-06-15 |
ATE440979T1 (de) | 2009-09-15 |
DE602004022763D1 (de) | 2009-10-08 |
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