EP4006214A1 - Composite twist color fiber - Google Patents
Composite twist color fiber Download PDFInfo
- Publication number
- EP4006214A1 EP4006214A1 EP20217879.4A EP20217879A EP4006214A1 EP 4006214 A1 EP4006214 A1 EP 4006214A1 EP 20217879 A EP20217879 A EP 20217879A EP 4006214 A1 EP4006214 A1 EP 4006214A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polymer
- fiber
- cationic
- composite fiber
- dyeable
- 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.)
- Withdrawn
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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
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/32—Side-by-side structure; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
- D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
-
- 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
- D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Definitions
- the present disclosure relates to fibers and, more particularly, to a composite twist color fiber comprising two different polymers running side by side and capable of helical extensibility and contractility.
- the fiber is intrinsically elastic, to the same extent as rubber bands are. Owing to physical properties imparted by its molecular structure, the fiber is intrinsically elastic and thus can be stretched.
- its drawback is: when the fiber is stretched, its diameter decreases, leading to two disadvantages. First, finished products made of the fiber have overly high contraction rate. Second, after long use, the fiber is susceptible to elastic fatigue and thus becomes less elastic or severs.
- the most typical elastic polyurethane fiber is Spandex, commonly known as Lycra, which was developed by DuPont and is currently commercially-available.
- Spandex does not exist alone but winds around other filament bundles by an intricate processing process (monolayer sheathed, bilayer sheathed or nylon covered spandex yarn) to bring two disadvantages.
- the processing process incurs high manufacturing cost.
- the fiber thus manufactured is difficult to undergo subsequent dyeing and finishing, and thus Spandex is likely to sever during the processing process.
- mechanical elastic yarn is formed by joining a standard polyethylene terephthalate (PET) and a denatured polyethylene terephthalate (PET) side by side.
- PET polyethylene terephthalate
- PET denatured polyethylene terephthalate
- a single composite fiber is flanked by a standard polyethylene terephthalate and a denatured polyethylene terephthalate.
- the standard polyethylene terephthalate and the denatured polyethylene terephthalate differ in contraction rate, such that the fiber thus formed is helical; however, both of them are polyethylene terephthalate, and thus the difference in contraction rate between them is too small to bring desirable crimp elasticity, thereby failing to the need for usage of elastic fabric.
- prior art further disclosed improving the aforesaid structure by joining polyethylene terephthalate (PET) and polypropylene terephthalate (PPT) side by side to form a composite fiber, wherein, after being heated, the polypropylene terephthalate (PPT) and the polyethylene terephthalate (PET) differ greatly in contraction rate, such that fabric made of the fiber thus formed is not only dense, delicate and soft but also has satisfactory elastic elongation rate.
- the composite fiber fabric made of the polypropylene terephthalate (PPT) and the polyethylene terephthalate (PET) attains one tone rather than two tones or mixing tones, leading to limited application, low popularity, and little value added. Therefore, the prior art still has room for improvement.
- the composite fiber is formed by joining two polymers of different contraction rates side by side, steadily and uniformly, thereby rendering the fiber helical.
- Fabric made of the composite fiber is highly capable of elongating and retracting; hence, not only do finished products made of the fabric have low contraction rate, but surface of the fabric is also smooth, soft and delicate and exhibits mixing tones typical of a dual-color twist roll.
- the present disclosure provides a composite fiber, comprising: a polymer A, being polypropylene terephthalate (PPT); and a polymer B, being cationic-dyeable polymer, wherein the polymer A and the polymer B run side by side to jointly form a composite fiber, and a transverse cross section of the fiber shows that the polymer A and the polymer B run side by side, wherein the polymer A and the polymer B differ in contraction rate.
- the fiber After undergoing heat treatment, the fiber takes on a helical 3D structure and thus is highly capable of elongating and retracting. Fabric made of the fiber feels good. Finished products made of the fabric have low contraction rate and is highly capable of elongating and retracting. Therefore, the present disclosure reduces manufacturing cost effectively, broadens the applications of the composite fiber and enhances its ease of use.
- the present disclosure provides a composite twist color fiber.
- the composite fiber comprises a polymer A, i.e., polypropylene terephthalate (PPT), and a polymer B, i.e., cationic-dyeable polymer.
- PPT polypropylene terephthalate
- the polymer A and the polymer B run side by side to jointly form one single fiber, such that the transverse cross section of the fiber shows that the polymer A and the polymer B run side by side.
- the polymer A and the polymer B differ in contraction rate.
- the aforesaid technique of joining two polymers side by side is also known as conjugate spinning, one of the conventional methods of manufacturing fiber yarns.
- the polymer A i.e., polypropylene terephthalate (PPT) is a standard polyester fiber with a mechanical strength of 30.91-52.98 cN/tex. Regardless of whether it is dry or wet, the polymer A has the highest degree of stability of physical properties and manifests low deformability, high tolerance to heat, high thermoplasticity, high lightfastness and high weatherability.
- the polymer A has physical properties similar to those of wool and thus can be spun together with wool, rayon and cotton.
- the polymer B i.e., cationic-dyeable polymer, is a low-priced modified polyester fiber whose polymeric structure has a cationic-dyeable sulfonate group and thus is deeply dyed and brightly colored.
- the polymer B demonstrates enhanced dyeability and enhanced tinting strength and thus can attain deep, bright colors with just a small amount of dye.
- the polymer B i.e., cationic-dyeable polymer, is cationic-dyeable polyethylene terephthalate (CD PET), cationic-dyeable polybutylene terephthalate (CD PBT) or cationic-dyeable polyamide (CD PA).
- the polymer A and the polymer B can be firmly joined side by side, because of their excellent compatibility and resultant high adhesiveness, so as to prevent their separation during any subsequent composite fiber forming process.
- the transverse cross section of the composite fiber shows that the polymer A and the polymer B run side by side and shows that the polymer B takes up 40-60% of total area of the fiber.
- the polymer A and the polymer B each take up 50% of total transverse cross-sectional area of the fiber. Therefore, the present disclosure effectively enhances the overall bonding strength of the composite fiber and minimizes the chance that the composite fiber will sever.
- the fiber takes on a helical 3D structure, because the polymer A and the polymer B differ in contraction rate. Therefore, finished products made of the composite fiber of the present disclosure have minimal contraction rate, because stretching the fiber causes elongation of the helical structure instead of a diminution in the diameter of the fiber.
- the reason why the present disclosure discloses the use of the cationic-dyeable polyester is explained below.
- the polypropylene terephthalate (PPT) and the cationic-dyeable polymer differ in the tinting strength of cationic dye.
- the polypropylene terephthalate (PPT) and the cationic-dyeable polymer differ in tints and shades.
- the use of one single dye ensures that one single fiber will display two different colors which, coupled with the helical 3D structure of the fiber, enable every fiber to produce the same color pattern as exhibited by a dual-color twist roll, as shown in FIG. 2 .
- Fabric made of the composite fiber is highly capable of elongating and retracting. Therefore, finished products made of the fabric display different patterns and colors, have low contraction rate, incur low manufacturing cost, and have broad applications.
Abstract
Provided is a composite twist color fiber formed by joining polypropylene terephthalate (PPT) and cationic-dyeable polymer side by side. The polypropylene terephthalate (PPT) and the cationic-dyeable polymer differ in contraction rate, such that the composite fiber thus formed is not only helical but also extensible and contractile. Fabric made of the composite fiber is highly capable of elongating and retracting; hence, not only do finished products made of the fabric have low contraction rate, but surface of the fabric also exhibits satisfactory mixing tones.
Description
- The present disclosure relates to fibers and, more particularly, to a composite twist color fiber comprising two different polymers running side by side and capable of helical extensibility and contractility.
- In general, one way to enable a composite fiber to demonstrate elasticity in order for it to be extensible and contractile is: the fiber is intrinsically elastic, to the same extent as rubber bands are. Owing to physical properties imparted by its molecular structure, the fiber is intrinsically elastic and thus can be stretched. However, its drawback is: when the fiber is stretched, its diameter decreases, leading to two disadvantages. First, finished products made of the fiber have overly high contraction rate. Second, after long use, the fiber is susceptible to elastic fatigue and thus becomes less elastic or severs. The most typical elastic polyurethane fiber is Spandex, commonly known as Lycra, which was developed by DuPont and is currently commercially-available. Owing to its tendency to sever, Spandex does not exist alone but winds around other filament bundles by an intricate processing process (monolayer sheathed, bilayer sheathed or nylon covered spandex yarn) to bring two disadvantages. First, the processing process incurs high manufacturing cost. Second, the fiber thus manufactured is difficult to undergo subsequent dyeing and finishing, and thus Spandex is likely to sever during the processing process.
- Another way to enable a composite fiber to demonstrate elasticity in order for it to be extensible and contractile is: mechanical elastic yarn is formed by joining a standard polyethylene terephthalate (PET) and a denatured polyethylene terephthalate (PET) side by side. During a fiber forming processing, a single composite fiber is flanked by a standard polyethylene terephthalate and a denatured polyethylene terephthalate. After undergoing heat treatment, the standard polyethylene terephthalate and the denatured polyethylene terephthalate differ in contraction rate, such that the fiber thus formed is helical; however, both of them are polyethylene terephthalate, and thus the difference in contraction rate between them is too small to bring desirable crimp elasticity, thereby failing to the need for usage of elastic fabric.
- In view of this, prior art further disclosed improving the aforesaid structure by joining polyethylene terephthalate (PET) and polypropylene terephthalate (PPT) side by side to form a composite fiber, wherein, after being heated, the polypropylene terephthalate (PPT) and the polyethylene terephthalate (PET) differ greatly in contraction rate, such that fabric made of the fiber thus formed is not only dense, delicate and soft but also has satisfactory elastic elongation rate. However, when dyed, the composite fiber fabric made of the polypropylene terephthalate (PPT) and the polyethylene terephthalate (PET) attains one tone rather than two tones or mixing tones, leading to limited application, low popularity, and little value added. Therefore, the prior art still has room for improvement.
- In view of the aforesaid drawbacks of the prior art, it is an objective of the present disclosure to provide a composite twist color fiber. The composite fiber is formed by joining two polymers of different contraction rates side by side, steadily and uniformly, thereby rendering the fiber helical. Fabric made of the composite fiber is highly capable of elongating and retracting; hence, not only do finished products made of the fabric have low contraction rate, but surface of the fabric is also smooth, soft and delicate and exhibits mixing tones typical of a dual-color twist roll.
- In order to achieve the above and other objectives, the present disclosure provides a composite fiber, comprising: a polymer A, being polypropylene terephthalate (PPT); and a polymer B, being cationic-dyeable polymer, wherein the polymer A and the polymer B run side by side to jointly form a composite fiber, and a transverse cross section of the fiber shows that the polymer A and the polymer B run side by side, wherein the polymer A and the polymer B differ in contraction rate. After undergoing heat treatment, the fiber takes on a helical 3D structure and thus is highly capable of elongating and retracting. Fabric made of the fiber feels good. Finished products made of the fabric have low contraction rate and is highly capable of elongating and retracting. Therefore, the present disclosure reduces manufacturing cost effectively, broadens the applications of the composite fiber and enhances its ease of use.
-
-
FIG. 1 is a schematic cross-sectional view of a composite fiber of present disclosure. -
FIG. 2 is a schematic perspective view of the composite fiber of present disclosure. -
FIG. 3 is a schematic cross-sectional view of the composite fiber according to another aspect of present disclosure. - Referring to
FIG. 1 and FIG. 2 , the present disclosure provides a composite twist color fiber. The composite fiber comprises a polymer A, i.e., polypropylene terephthalate (PPT), and a polymer B, i.e., cationic-dyeable polymer. The polymer A and the polymer B run side by side to jointly form one single fiber, such that the transverse cross section of the fiber shows that the polymer A and the polymer B run side by side. The polymer A and the polymer B differ in contraction rate. The aforesaid technique of joining two polymers side by side is also known as conjugate spinning, one of the conventional methods of manufacturing fiber yarns. The polymer A, i.e., polypropylene terephthalate (PPT), is a standard polyester fiber with a mechanical strength of 30.91-52.98 cN/tex. Regardless of whether it is dry or wet, the polymer A has the highest degree of stability of physical properties and manifests low deformability, high tolerance to heat, high thermoplasticity, high lightfastness and high weatherability. The polymer A has physical properties similar to those of wool and thus can be spun together with wool, rayon and cotton. The polymer B, i.e., cationic-dyeable polymer, is a low-priced modified polyester fiber whose polymeric structure has a cationic-dyeable sulfonate group and thus is deeply dyed and brightly colored. Furthermore, the polymer B demonstrates enhanced dyeability and enhanced tinting strength and thus can attain deep, bright colors with just a small amount of dye. In this embodiment, the polymer B, i.e., cationic-dyeable polymer, is cationic-dyeable polyethylene terephthalate (CD PET), cationic-dyeable polybutylene terephthalate (CD PBT) or cationic-dyeable polyamide (CD PA). - The polymer A and the polymer B can be firmly joined side by side, because of their excellent compatibility and resultant high adhesiveness, so as to prevent their separation during any subsequent composite fiber forming process. Referring to
FIG. 3 , the transverse cross section of the composite fiber shows that the polymer A and the polymer B run side by side and shows that the polymer B takes up 40-60% of total area of the fiber. Preferably, the polymer A and the polymer B each take up 50% of total transverse cross-sectional area of the fiber. Therefore, the present disclosure effectively enhances the overall bonding strength of the composite fiber and minimizes the chance that the composite fiber will sever. After undergoing heat treatment, the fiber takes on a helical 3D structure, because the polymer A and the polymer B differ in contraction rate. Therefore, finished products made of the composite fiber of the present disclosure have minimal contraction rate, because stretching the fiber causes elongation of the helical structure instead of a diminution in the diameter of the fiber. - The reason why the present disclosure discloses the use of the cationic-dyeable polyester is explained below. The polypropylene terephthalate (PPT) and the cationic-dyeable polymer differ in the tinting strength of cationic dye. Upon completion of a dyeing process performed with the same dye, the polypropylene terephthalate (PPT) and the cationic-dyeable polymer differ in tints and shades. Thus, the use of one single dye ensures that one single fiber will display two different colors which, coupled with the helical 3D structure of the fiber, enable every fiber to produce the same color pattern as exhibited by a dual-color twist roll, as shown in
FIG. 2 . - Fabric made of the composite fiber is highly capable of elongating and retracting. Therefore, finished products made of the fabric display different patterns and colors, have low contraction rate, incur low manufacturing cost, and have broad applications.
- The present disclosure is disclosed above by preferred embodiments. However, persons skilled in the art should understand that the preferred embodiments are illustrative of the present disclosure only, but shall not be interpreted as restrictive of the scope of the present disclosure. Hence, all simple equivalent changes and modifications made to the aforesaid embodiments in accordance with the claims and specification shall fall within the scope of the present disclosure.
Claims (5)
- A composite fiber, comprising:a polymer (A), being polypropylene terephthalate (PPT); anda polymer (B), being cationic-dyeable polymer,wherein the polymer (A) and the polymer (B) run side by side to jointly form a fiber, and a transverse cross section of the fiber shows that the polymer (A) and the polymer (B) run side by side,wherein the polymer (A) and the polymer (B) differ in contraction rate.
- The composite fiber of claim 1, wherein the polymer (B) is cationic-dyeable polyethylene terephthalate (CD PET), cationic-dyeable polybutylene terephthalate (CD PBT) or cationic-dyeable polyamide (CD PA).
- The composite fiber of claim 2, wherein the polymer (B) takes up 40-60% of total area of the fiber.
- The composite fiber of claim 3, wherein the polymer (A) and the polymer (B) each take up 50% of total transverse cross-sectional area of the fiber.
- The composite fiber of claim 1, wherein, after undergoing heat treatment, the fiber takes on a helical 3D structure.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW109141647A TW202221181A (en) | 2020-11-26 | 2020-11-26 | Composite twist-colored fiber capable of reducing shrinkage of a finished fabric product and allowing a fabric surface to have a better color mixing effect |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4006214A1 true EP4006214A1 (en) | 2022-06-01 |
Family
ID=74129953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20217879.4A Withdrawn EP4006214A1 (en) | 2020-11-26 | 2020-12-30 | Composite twist color fiber |
Country Status (3)
Country | Link |
---|---|
US (1) | US20220162780A1 (en) |
EP (1) | EP4006214A1 (en) |
TW (1) | TW202221181A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1772984A (en) * | 2004-11-10 | 2006-05-17 | 新光合成纤维股份有限公司 | Self-crinkling composite fiber and producing method thereof |
CN101718008A (en) * | 2009-05-06 | 2010-06-02 | 上海贵达科技有限公司 | High-performance polyester composite elastic fiber and manufacturing method thereof |
KR20100070202A (en) * | 2008-12-17 | 2010-06-25 | 웅진케미칼 주식회사 | Composite fibers of high elastic polyester with being improved dyeing and method of manufacturing the same |
CN111379048A (en) * | 2020-03-20 | 2020-07-07 | 杭州逸暻化纤有限公司 | Preparation method of bi-component composite wool-like elastic fiber |
-
2020
- 2020-11-26 TW TW109141647A patent/TW202221181A/en unknown
- 2020-12-30 EP EP20217879.4A patent/EP4006214A1/en not_active Withdrawn
- 2020-12-31 US US17/139,437 patent/US20220162780A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1772984A (en) * | 2004-11-10 | 2006-05-17 | 新光合成纤维股份有限公司 | Self-crinkling composite fiber and producing method thereof |
KR20100070202A (en) * | 2008-12-17 | 2010-06-25 | 웅진케미칼 주식회사 | Composite fibers of high elastic polyester with being improved dyeing and method of manufacturing the same |
CN101718008A (en) * | 2009-05-06 | 2010-06-02 | 上海贵达科技有限公司 | High-performance polyester composite elastic fiber and manufacturing method thereof |
CN111379048A (en) * | 2020-03-20 | 2020-07-07 | 杭州逸暻化纤有限公司 | Preparation method of bi-component composite wool-like elastic fiber |
Also Published As
Publication number | Publication date |
---|---|
TW202221181A (en) | 2022-06-01 |
US20220162780A1 (en) | 2022-05-26 |
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