EP2199441B1 - Fabric for screen including dope dyed fiber - Google Patents
Fabric for screen including dope dyed fiber Download PDFInfo
- Publication number
- EP2199441B1 EP2199441B1 EP20090178441 EP09178441A EP2199441B1 EP 2199441 B1 EP2199441 B1 EP 2199441B1 EP 20090178441 EP20090178441 EP 20090178441 EP 09178441 A EP09178441 A EP 09178441A EP 2199441 B1 EP2199441 B1 EP 2199441B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fiber
- dope dyed
- regular
- screen fabric
- screen
- 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
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0035—Protective fabrics
- D03D1/007—UV radiation protecting
-
- 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
- D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/06—Curtain heading tapes
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/292—Conjugate, i.e. bi- or multicomponent, fibres or filaments
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/587—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads adhesive; fusible
-
- 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]
-
- 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
- D10B2401/00—Physical properties
- D10B2401/04—Heat-responsive characteristics
- D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
-
- 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
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/062—Load-responsive characteristics stiff, shape retention
-
- 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
- D10B2401/00—Physical properties
- D10B2401/14—Dyeability
-
- 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
- D10B2401/00—Physical properties
- D10B2401/22—Physical properties protective against sunlight or UV radiation
-
- 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
- D10B2503/00—Domestic or personal
- D10B2503/02—Curtains
-
- 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
- D10B2503/00—Domestic or personal
- D10B2503/03—Inside roller shades or blinds
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
- Y10T442/102—Woven scrim
- Y10T442/103—Including a multifilament fiber precoated with other than free metal or alloy prior to weaving
Definitions
- the present invention relates to screen fabrics including a dope dyed fiber, and more particularly to fabrics that use a dope dyed fiber to eliminate the need for dyeing, which shortens the production process, and whose discoloration due to post-processing is minimized.
- screens are installed in houses, hotels, restaurants and other buildings to protect people's private lives and block sunlight.
- Typical screens are produced by interconnecting a series of metal strips, wood strips or plastic strips at regular intervals and hanging the interconnected strips down.
- many types of screen products have emerged in the market.
- a representative screen includes a synthetic resin fabric and a roll.
- the synthetic resin fabric has a predetermined width and the roll is fixed to a window.
- the screen is designed in such a way that the fabric rolls down to cover the window or rolls up to secure a field of view when a user rotates the roll.
- Such screens may be called by different names, such as roll screens, panel screens or vertical blinds, according to the shape (e.g., roll or panel) of fabrics employed.
- PVC polyvinyl chloride
- CI chlorine
- PET polyethylene terephthalate
- PET fabrics are dyed after weaving to impart desired colors to final screen products.
- the dyed screen fabrics undergo several post-processing steps, such as cleaning, antifouling, antistatic, coating, stiffening and heat treatment finishes. These post-processing steps severely discolor the screen fabrics, and as a result, cause many problems, such as increased defects and high production costs.
- a woven screen fabric according to the preamble of claim 1 is known from KR 2002 0 008 287 A .
- the present invention has been made in an effort to solve the problems of the prior art, and it is an object of the present invention to provide a screen fabric that is produced by weaving a dope dyed fiber spun from a mixture of a dye and polymer chips in a spinning machine to minimize discoloration due to post-processing while eliminating the need for dyeing to impart a desired color, thereby reducing the number of defects and achieving high durability.
- a screen fabric for blocking light from a lighting system or sunlight including a regular fiber and a dope dyed fiber wherein the dope dyed fiber is directly included in either warps or wefts or both, or a blended or plied fiber of the regular fiber and the dope dyed fiber is included in either warps or wefts or both, and wherein differences in the lightness, chroma and hue of the screen fabric before and after post-processing are ⁇ 2 or less, ⁇ 2 or less and ⁇ 0.1 or less, respectively.
- the dope dyed fiber is a polyester fiber.
- Either the regular fiber or the dope dyed fiber or both are blended or plied with a low-melting fiber in a weight ratio of 50:50 to 80:20.
- the weight ratio of the regular fiber to the dope dyed fiber is from 20:80 to 80:20.
- a screen fabric for blocking light from a lighting system or sunlight wherein the dope dyed fiber comprises a flame retardant polyester.
- the weight ratio of the regular fiber to the flame retardant polyester dope dyed fiber is from 40:60 to 80:20.
- the regular fiber is a flame retardant fiber.
- the screen fabrics of the present invention show an insignificant degree of discoloration due to post-processing steps, such as washing, antifouling and heat treatment finishes, after weaving. Therefore, the number of defects in the screen fabrics is reduced, leading to high productivity and cost reduction.
- screens using the screen fabrics of the present invention are not discolored even after long-term use.
- fabrics is used herein to refer to all knitted fabrics, felt fabrics, plaited fabrics, non-woven fabrics, laminated fabrics, molded fabrics and webs.
- the present invention provides a screen fabric including a regular fiber and a dope dyed fiber in a mixed state.
- Any filament fiber composed of a synthetic resin may be used without limitation as the regular fiber.
- a flame retardant filament fiber is preferably used to improve the flame retardancy of the fabric.
- a filament fiber spun from a mixture of a dye and polymer chips in a spinning machine may be used without any limitation as the dope dyed fiber.
- the dye is dispersed in the polymer chips before spinning into the dope dyed fiber.
- the dye is bonded within the fabric to ensure superior light and wash fastness of the fabric.
- the screen fabric of the present invention may be produced by directly including the dope dyed fiber in either warps or wefts or both.
- the screen fabric of the present invention may be produced by blending or plying the regular fiber with the dope dyed fiber and including the blended or plied fiber in either warps or wefts or both.
- the dope dyed fiber is composed of a polyester synthetic resin that has excellent characteristics in terms of heat resistance, stiffness, electrical properties and oil resistance and is insusceptible to temperature and humidity variations.
- Either the regular fiber or the dope dyed fiber or both may be blended or plied with a low-melting fiber.
- the use of the low-melting fiber eliminates the need for additional coating and imparts stiffness to the screen fabric, thus allowing the screen fabric to be suitable for use in a screen.
- the blend or ply of the regular fiber and the dope dyed fiber with the low-melting fiber is in a weight ratio of 50:50 to 80:20.
- the screen fabric undergoes heat treatment to melt-bond the low-melting fiber to the regular fiber and the dope dyed fiber.
- This melt-bonding of the low-melting fiber between the regular fiber and the dope dyed fiber imparts stiffness and shape stability to the fabric.
- the low-melting fiber there may be used sheath-core type and split type conjugate fibers.
- the low-melting fiber may be a flame retardant polyester filament in which a low-melting polyester resin is included in the sheath and a flame retardant polyester resin is included in the core.
- the flame retardant polyester resin may be selected from the group consisting of polyethylene terephthalate, polybutylene terephthalate and a combination thereof.
- the low-melting polyester resin may contain isophthalic acid, terephthalic acid, ethylene glycol and diethylene glycol moieties.
- the flame retardant polyester resin may have a melting point of 220 to 260°C.
- the low-melting polyester resin may have a melting point of 110 to 220°C.
- the polyester having a melting point lower than 110°C may be problematic in terms of shape stability.
- the polyester having a melting point higher than 220°C may adversely affect the resin of the core.
- the content ratio of the regular fiber and the dope dyed fiber in the screen fabric may be varied depending on the materials of the regular fiber and the dope dyed fiber and the desired lightness, chroma and hue differences of the fabric. Most preferably, the weight ratio of the regular fiber to the dope dyed fiber is from 20:80 to 80:20.
- the present invention provides a screen fabric including a regular fiber and a flame retardant polyester dope dyed fiber.
- the use of the flame retardant polyester dope dyed fiber imparts flame retardancy to the screen fabric, thus eliminating the need for additional flameproof finish.
- the regular fiber and the flame retardant polyester dope dyed fiber may be blended or plied with a low-melting fiber.
- the blend or ply of the regular fiber and the flame retardant polyester dope dyed fiber with the low-melting fiber is in a weight ratio of 50:50 to 80:20.
- the content ratio of the regular fiber and the flame retardant polyester dope dyed fiber in the screen fabric may be varied depending on the materials of the regular fiber and the flame retardant polyester dope dyed fiber and the desired lightness, chroma and hue differences of the screen fabric. Most preferably, the weight ratio of the regular fiber to the flame retardant polyester dope dyed fiber is from 40:60 to 80:20.
- the flame retardant polyester dope dyed fiber is one that is copolymerized with a phosphorus flame retardant.
- the phosphorus flame retardant is preferably present in an amount such that the concentration of phosphorus (P) atoms in the polyester resin is from 5,000 to 10,000 ppm. If the content of the phosphorus (P) atoms is less than 5,000 ppm, sufficient flame retardancy is not exhibited. Meanwhile, if the content of the phosphorus (P) atoms exceeds 10,000 ppm, the melt viscosity of the polyester resin is low, resulting in poor workability and physical properties upon spinning.
- the screen fabric may further include at least one additive selected from UV absorbers and processing aids.
- the UV absorbers serve to improve the light fastness of the screen fabric and may be benzotriazole or benzophenone compounds.
- processing aids suitable for use in the screen fabric include antistatic agents, water/oil repellants, antifouling agents, antibacterial agents, water absorbers and antislip agents, which are commonly used in the art. It is to be understood that the addition of such well-known processing aids is encompassed within the scope of the present invention without departing from the substantial spirit of the invention.
- a regular polyester fiber as warp was woven with a polyester dope dyed fiber as weft by plain weaving to produce a screen fabric.
- the screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- a regular polyester fiber as warp was woven with a plied fiber of a polyester dope dyed fiber and a regular fiber (1:1 (w/w)) as weft by plain weaving to produce a screen fabric.
- the screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- a regular polyester fiber as warp was woven with a flame retardant polyester dope dyed fiber as weft by plain weaving to produce a screen fabric.
- the screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- a regular polyester fiber as warp was woven with a plied fiber of a flame retardant polyester dope dyed fiber and a regular fiber (1:1 (w/w)) as weft by plain weaving to produce a screen fabric.
- the screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- a flame retardant regular polyester fiber as warp was woven with a plied fiber of a polyester dope dyed fiber and a low-melting fiber (1:1 (w/w)) as weft by plain weaving to produce a screen fabric.
- the screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- a regular polyester fiber as warp was woven with a plied fiber of a polyester dope dyed fiber and a low-melting fiber (1:1 (wlw)) as weft by plain weaving to produce a screen fabric.
- the screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- a regular polyester fiber as warp was woven with a plied fiber of a flame retardant polyester dope dyed fiber and a low-melting fiber (1:1 (w/w)) as weft by plain weaving to produce a screen fabric.
- the screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- a flame retardant regular polyester fiber as warp was woven with a plied fiber of a flame retardant polyester dope dyed fiber and a low-melting fiber (1:1 (w/w)) as weft by plain weaving to produce a screen fabric.
- the screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- the heat treatment finish is a post-processing step to melt-bond the low-melting fiber to the regular fiber and the dope dyed fiber.
- Table 3 summarizes the degree of discoloration after the washing finish
- Table 4 summarizes the degree of discoloration after the antifouling finish
- Table 5 summarizes the degree of discoloration after the heat treatment finish.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Woven Fabrics (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Description
- The present invention relates to screen fabrics including a dope dyed fiber, and more particularly to fabrics that use a dope dyed fiber to eliminate the need for dyeing, which shortens the production process, and whose discoloration due to post-processing is minimized.
- In general, screens are installed in houses, hotels, restaurants and other buildings to protect people's private lives and block sunlight. Typical screens are produced by interconnecting a series of metal strips, wood strips or plastic strips at regular intervals and hanging the interconnected strips down. In recent years, many types of screen products have emerged in the market. Of these, a representative screen includes a synthetic resin fabric and a roll. The synthetic resin fabric has a predetermined width and the roll is fixed to a window. The screen is designed in such a way that the fabric rolls down to cover the window or rolls up to secure a field of view when a user rotates the roll. Such screens may be called by different names, such as roll screens, panel screens or vertical blinds, according to the shape (e.g., roll or panel) of fabrics employed.
- Conventional screen fabrics are usually made of polyvinyl chloride (PVC). Since PVC is decomposed by fire to give off chlorine (CI) gas that is very harmful to humans, the use of PVC as a screen fabric material is prohibited in most countries, including the United States, Japan and European countries. Under such circumstances, polyethylene terephthalate (PET) is rapidly replacing PVC as a material for screen fabrics due to its excellent characteristics in heat resistance, stiffness, electrical properties and oil resistance. PET is also not susceptible to temperature and humidity variations.
- PET fabrics are dyed after weaving to impart desired colors to final screen products.
- The dyed screen fabrics undergo several post-processing steps, such as cleaning, antifouling, antistatic, coating, stiffening and heat treatment finishes. These post-processing steps severely discolor the screen fabrics, and as a result, cause many problems, such as increased defects and high production costs.
- In attempts to solve the problems associated with the discoloration of screen fabrics, many dyeing methods have been developed. For example, a method is proposed for weaving yarn-dyed yarns to produce a dyed fabric. However, this method fails to effectively protect the fabric from discoloration due to post-processing.
- A woven screen fabric according to the preamble of claim 1 is known from
KR 2002 0 008 287 A - The present invention has been made in an effort to solve the problems of the prior art, and it is an object of the present invention to provide a screen fabric that is produced by weaving a dope dyed fiber spun from a mixture of a dye and polymer chips in a spinning machine to minimize discoloration due to post-processing while eliminating the need for dyeing to impart a desired color, thereby reducing the number of defects and achieving high durability.
- According to an aspect of the present invention, there is provided a screen fabric for blocking light from a lighting system or sunlight, including a regular fiber and a dope dyed fiber wherein the dope dyed fiber is directly included in either warps or wefts or both, or a blended or plied fiber of the regular fiber and the dope dyed fiber is included in either warps or wefts or both, and wherein differences in the lightness, chroma and hue of the screen fabric before and after post-processing are ± 2 or less, ± 2 or less and ± 0.1 or less, respectively.
- In an embodiment, the dope dyed fiber is a polyester fiber.
- Either the regular fiber or the dope dyed fiber or both are blended or plied with a low-melting fiber in a weight ratio of 50:50 to 80:20.
- In an embodiment, the weight ratio of the regular fiber to the dope dyed fiber is from 20:80 to 80:20.
- According to another aspect of the present invention, there is provided a screen fabric for blocking light from a lighting system or sunlight, wherein the dope dyed fiber comprises a flame retardant polyester.
- In an embodiment, the weight ratio of the regular fiber to the flame retardant polyester dope dyed fiber is from 40:60 to 80:20.
- In an embodiment, the regular fiber is a flame retardant fiber.
- The screen fabrics of the present invention show an insignificant degree of discoloration due to post-processing steps, such as washing, antifouling and heat treatment finishes, after weaving. Therefore, the number of defects in the screen fabrics is reduced, leading to high productivity and cost reduction.
- In addition, screens using the screen fabrics of the present invention are not discolored even after long-term use.
- Preferred embodiments of the present invention will now be described in detail. In describing the present invention, detailed descriptions of related known functions or configurations are omitted in order to avoid making the essential subject of the invention unclear.
- The term "fabrics" is used herein to refer to all knitted fabrics, felt fabrics, plaited fabrics, non-woven fabrics, laminated fabrics, molded fabrics and webs.
- In an embodiment, the present invention provides a screen fabric including a regular fiber and a dope dyed fiber in a mixed state.
- Any filament fiber composed of a synthetic resin may be used without limitation as the regular fiber. A flame retardant filament fiber is preferably used to improve the flame retardancy of the fabric.
- A filament fiber spun from a mixture of a dye and polymer chips in a spinning machine may be used without any limitation as the dope dyed fiber.
- The dye is dispersed in the polymer chips before spinning into the dope dyed fiber. The dye is bonded within the fabric to ensure superior light and wash fastness of the fabric.
- The screen fabric of the present invention may be produced by directly including the dope dyed fiber in either warps or wefts or both. Alternatively, the screen fabric of the present invention may be produced by blending or plying the regular fiber with the dope dyed fiber and including the blended or plied fiber in either warps or wefts or both.
- Preferably, the dope dyed fiber is composed of a polyester synthetic resin that has excellent characteristics in terms of heat resistance, stiffness, electrical properties and oil resistance and is insusceptible to temperature and humidity variations.
- Either the regular fiber or the dope dyed fiber or both may be blended or plied with a low-melting fiber. The use of the low-melting fiber eliminates the need for additional coating and imparts stiffness to the screen fabric, thus allowing the screen fabric to be suitable for use in a screen.
- The blend or ply of the regular fiber and the dope dyed fiber with the low-melting fiber is in a weight ratio of 50:50 to 80:20.
- The screen fabric undergoes heat treatment to melt-bond the low-melting fiber to the regular fiber and the dope dyed fiber. This melt-bonding of the low-melting fiber between the regular fiber and the dope dyed fiber imparts stiffness and shape stability to the fabric.
- As non-limiting examples of the low-melting fiber, there may be used sheath-core type and split type conjugate fibers. For example, the low-melting fiber may be a flame retardant polyester filament in which a low-melting polyester resin is included in the sheath and a flame retardant polyester resin is included in the core. The flame retardant polyester resin may be selected from the group consisting of polyethylene terephthalate, polybutylene terephthalate and a combination thereof. The low-melting polyester resin may contain isophthalic acid, terephthalic acid, ethylene glycol and diethylene glycol moieties.
- The flame retardant polyester resin may have a melting point of 220 to 260°C. The low-melting polyester resin may have a melting point of 110 to 220°C. The polyester having a melting point lower than 110°C may be problematic in terms of shape stability. The polyester having a melting point higher than 220°C may adversely affect the resin of the core.
- The content ratio of the regular fiber and the dope dyed fiber in the screen fabric may be varied depending on the materials of the regular fiber and the dope dyed fiber and the desired lightness, chroma and hue differences of the fabric. Most preferably, the weight ratio of the regular fiber to the dope dyed fiber is from 20:80 to 80:20.
- In another embodiment, the present invention provides a screen fabric including a regular fiber and a flame retardant polyester dope dyed fiber. The use of the flame retardant polyester dope dyed fiber imparts flame retardancy to the screen fabric, thus eliminating the need for additional flameproof finish.
- The regular fiber and the flame retardant polyester dope dyed fiber may be blended or plied with a low-melting fiber.
- The blend or ply of the regular fiber and the flame retardant polyester dope dyed fiber with the low-melting fiber is in a weight ratio of 50:50 to 80:20.
- The content ratio of the regular fiber and the flame retardant polyester dope dyed fiber in the screen fabric may be varied depending on the materials of the regular fiber and the flame retardant polyester dope dyed fiber and the desired lightness, chroma and hue differences of the screen fabric. Most preferably, the weight ratio of the regular fiber to the flame retardant polyester dope dyed fiber is from 40:60 to 80:20.
- Preferably, the flame retardant polyester dope dyed fiber is one that is copolymerized with a phosphorus flame retardant. The phosphorus flame retardant is preferably present in an amount such that the concentration of phosphorus (P) atoms in the polyester resin is from 5,000 to 10,000 ppm. If the content of the phosphorus (P) atoms is less than 5,000 ppm, sufficient flame retardancy is not exhibited. Meanwhile, if the content of the phosphorus (P) atoms exceeds 10,000 ppm, the melt viscosity of the polyester resin is low, resulting in poor workability and physical properties upon spinning.
- The screen fabric may further include at least one additive selected from UV absorbers and processing aids. The UV absorbers serve to improve the light fastness of the screen fabric and may be benzotriazole or benzophenone compounds. Examples of processing aids suitable for use in the screen fabric include antistatic agents, water/oil repellants, antifouling agents, antibacterial agents, water absorbers and antislip agents, which are commonly used in the art. It is to be understood that the addition of such well-known processing aids is encompassed within the scope of the present invention without departing from the substantial spirit of the invention.
- The following examples explain methods for producing screen fabrics according to the present invention and are in no way intended to limit the scope of the present invention.
- A regular polyester fiber as warp was woven with a polyester dope dyed fiber as weft by plain weaving to produce a screen fabric. The screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- A regular polyester fiber as warp was woven with a plied fiber of a polyester dope dyed fiber and a regular fiber (1:1 (w/w)) as weft by plain weaving to produce a screen fabric. The screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- A regular polyester fiber as warp was woven with a flame retardant polyester dope dyed fiber as weft by plain weaving to produce a screen fabric. The screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- A regular polyester fiber as warp was woven with a plied fiber of a flame retardant polyester dope dyed fiber and a regular fiber (1:1 (w/w)) as weft by plain weaving to produce a screen fabric. The screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- A flame retardant regular polyester fiber as warp was woven with a plied fiber of a polyester dope dyed fiber and a low-melting fiber (1:1 (w/w)) as weft by plain weaving to produce a screen fabric. The screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- A regular polyester fiber as warp was woven with a plied fiber of a polyester dope dyed fiber and a low-melting fiber (1:1 (wlw)) as weft by plain weaving to produce a screen fabric. The screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- A regular polyester fiber as warp was woven with a plied fiber of a flame retardant polyester dope dyed fiber and a low-melting fiber (1:1 (w/w)) as weft by plain weaving to produce a screen fabric. The screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
- A flame retardant regular polyester fiber as warp was woven with a plied fiber of a flame retardant polyester dope dyed fiber and a low-melting fiber (1:1 (w/w)) as weft by plain weaving to produce a screen fabric. The screen fabric had a warp density 3937 yarns/m (100 yarns/inch) and a weft density of 3937 yarns/m (100 yarns/inch).
-
- 1. Discoloration experiments on the screen fabrics of Examples 1-5 after post-processing
- The washing and antifouling finishes were carried out by known methods.
TABLE 1 Properties Lightness difference Chroma difference Hue difference Example 1 -0.82 1.08 0.08 Example 2 -0.76 0.93 0.07 Example 3 -0.99 1.23 0.07 Example 4 -0.89 0.96 0.06 Example 5 -0.88 1.11 0.08 TABLE 2 Properties Lightness difference Chroma difference Hue difference Example 1 -1.42 1.49 0.09 Example 2 -1.34 1.28 0.08 Example 3 -1.78 1.54 0.08 Example 4 -1.44 1.49 0.08 Example 5 -1.32 1.67 0.09 - After each of the screen fabrics produced in Examples 6-8 was subjected to washing, antifouling and heat treatment finishes, the degree of discoloration of the screen fabric before and after the respective processing steps was measured in terms of lightness, chroma and hue differences. The heat treatment finish is a post-processing step to melt-bond the low-melting fiber to the regular fiber and the dope dyed fiber. Table 3 summarizes the degree of discoloration after the washing finish, Table 4 summarizes the degree of discoloration after the antifouling finish, and Table 5 summarizes the degree of discoloration after the heat treatment finish.
- The washing and antifouling finishes were carried out by known methods, and the heat treatment finish for melt-bonding was carried out at 170°C.
TABLE 3 Properties Lightness difference Chroma difference Hue difference Example 6 -0.84 1.52 0.08 Example 7 -0.96 1.67 0.09 Example 8 -0.92 1.55 0.09 TABLE 4 Properties Lightness difference Chroma difference Hue difference Example 6 -1.39 1.71 0.08 Example 7 -1.53 1.81 0.08 Example 8 -1.47 1.70 0.09 TABLE 5 Properties Lightness difference Chroma difference Hue difference Example 6 -1.92 1.87 0.08 Example 7 -1.97 1.69 0.09 Example 8 -1.90 1.67 0.09 - As can be seen from the experimental results in Tables 1-5 showing the discoloration differences of the screen fabrics of Examples 1-8, the lightness, chroma and hue differences of each of the screen fabrics before and after the post-processing steps were ± 2 or less, ± 2 or less and ± 0.1 or less, respectively, indicating that little discoloration of the screen fabrics was caused by the post-processing steps.
- Although the present invention has been described herein with reference to the foregoing embodiments, the scope of the present invention is not limited to the embodiments. Therefore, it will be evident to those skilled in the art that various substitutions, modifications and changes are possible, within the scope of the accompanying claims.
Claims (6)
- A woven screen fabric for blocking light from a lighting system or sunlight comprising a regular fiber and a dope dyed fiber wherein the dope dyed fiber is directly included in either warps or wefts or both, or a blended or plied fiber of the regular fiber and the dope dyed fiber is included in either warps or wefts or both, and wherein differences in the lightness, chroma and hue of the screen fabric before and after post-processing are ± 2 or less, ± 2 or less and ± 0.1 or less, respectively,
characterized in
that either the regular fiber or the dope dyed fiber or both are blended or plied with a low-melting fiber in a weight ratio of 50:50 to 80:20 and wherein the post-processing is selected from the group consisting of washing, antifouling and heat treatment finishes, and performed after wearing. - The screen fabric of claim 1, wherein the dope dyed fiber is a polyester fiber.
- The screen fabric of claim 1 or 2, wherein the weight ratio of the regular fiber to the dope dyed fiber is from 20:80 to 80:20.
- The screen fabric according to one of the claims 1 to 3, wherein the dope dyed fiber comprises a flame retardant polyester.
- The screen fabric of claim 4, wherein the weight ratio of the regular fiber to the flame retardant polyester dope dyed fiber is from 40:60 to 80:20.
- The screen fabric according to one of the claims 1 to 5, wherein the regular fiber is a flame retardant fiber.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080126136A KR101028577B1 (en) | 2008-12-11 | 2008-12-11 | Fabric for screen including dope dyed fiber |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2199441A2 EP2199441A2 (en) | 2010-06-23 |
EP2199441A3 EP2199441A3 (en) | 2010-12-29 |
EP2199441B1 true EP2199441B1 (en) | 2012-09-26 |
Family
ID=41716414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090178441 Not-in-force EP2199441B1 (en) | 2008-12-11 | 2009-12-09 | Fabric for screen including dope dyed fiber |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100151756A1 (en) |
EP (1) | EP2199441B1 (en) |
JP (1) | JP2010138537A (en) |
KR (1) | KR101028577B1 (en) |
CN (1) | CN101798718B (en) |
AU (1) | AU2009238377B2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US20120171918A1 (en) | 2011-01-05 | 2012-07-05 | Pbi Performance Products, Inc. | Flame resistant fabric with tracing yarns |
US9370212B2 (en) * | 2011-09-02 | 2016-06-21 | E I Du Pont De Nemours And Company | Article of thermal protective clothing |
CN103243453A (en) * | 2013-05-22 | 2013-08-14 | 海安县联发弘佳纺织有限公司 | All-cotton yarn-dyed fabric and manufacturing process |
CN104099708B (en) * | 2014-07-17 | 2015-05-20 | 绍兴三立达纺织阻燃新材料有限公司 | Washable type flame-retardant shading polyester fabric and production method thereof |
JP2018519433A (en) * | 2015-06-17 | 2018-07-19 | クキュクカリク テキスタイル サナイ ベ ティカレト アノニム シルケティ | Shielding yarn, woven fabric and method for producing them |
US11975221B2 (en) * | 2021-01-14 | 2024-05-07 | Danmeng Shuai | Anti-microbial multilayer fabric media and method for making same |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3776343D1 (en) * | 1987-02-17 | 1992-03-05 | Nihon Tokusho Orimono Co Ltd | GRID FABRIC FOR FILM PRINTING. |
JP2889121B2 (en) * | 1994-06-30 | 1999-05-10 | 帝人株式会社 | Black flame retardant polyester fiber |
JPH09425A (en) * | 1995-06-16 | 1997-01-07 | Kawashima Textile Manuf Ltd | Light shieldable woven fabric |
KR100191593B1 (en) * | 1996-12-26 | 1999-06-15 | 구광시 | The manufacture method of the polyester mixing yarn |
CA2242217C (en) * | 1997-07-10 | 2006-12-12 | Kuraray Co., Ltd. | Screen textile material |
US6057032A (en) * | 1997-10-10 | 2000-05-02 | Green; James R. | Yarns suitable for durable light shade cotton/nylon clothing fabrics containing carbon doped antistatic fibers |
JP2001303391A (en) * | 2000-04-26 | 2001-10-31 | Kyowa Co Ltd | Sheet for construction work |
KR20020008287A (en) * | 2000-07-21 | 2002-01-30 | 백광기 | Protection Against Inflammation Melange Yarn Cloth And Manufacturing Method Thereof |
KR100375246B1 (en) * | 2001-04-26 | 2003-03-06 | 주식회사 코오롱 | A ultra fine fabric having an excellent wash and sunlight endurance |
EP1381724A4 (en) * | 2001-04-26 | 2007-05-09 | Kolon Inc | A knitted fabric having an excellent wash fastness and light fastness, and a process of preparing for the same |
KR200268798Y1 (en) * | 2001-10-29 | 2002-03-18 | 문구의 | awning |
JP2003253541A (en) * | 2002-02-27 | 2003-09-10 | Toray Ind Inc | Mesh sheet for construction work |
KR100443467B1 (en) * | 2002-05-07 | 2004-08-09 | 손권웅 | Method of Check Pattern Fabric Using Non-Dyeing Warp and the Check Pattern Fabric |
JP2008127722A (en) * | 2006-11-22 | 2008-06-05 | Teijin Fibers Ltd | Black spun-dyed polyester multifilament for blackout curtain and woven fabric for blackout curtain |
KR20100003067A (en) * | 2008-06-30 | 2010-01-07 | 이재광 | Blackout screen with dual side printable |
-
2008
- 2008-12-11 KR KR1020080126136A patent/KR101028577B1/en not_active IP Right Cessation
-
2009
- 2009-11-23 AU AU2009238377A patent/AU2009238377B2/en not_active Ceased
- 2009-12-03 CN CN2009102500735A patent/CN101798718B/en not_active Expired - Fee Related
- 2009-12-03 JP JP2009275514A patent/JP2010138537A/en active Pending
- 2009-12-09 EP EP20090178441 patent/EP2199441B1/en not_active Not-in-force
- 2009-12-10 US US12/635,410 patent/US20100151756A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
KR20100067534A (en) | 2010-06-21 |
CN101798718A (en) | 2010-08-11 |
JP2010138537A (en) | 2010-06-24 |
US20100151756A1 (en) | 2010-06-17 |
KR101028577B1 (en) | 2011-04-12 |
EP2199441A3 (en) | 2010-12-29 |
CN101798718B (en) | 2012-11-28 |
AU2009238377B2 (en) | 2012-02-23 |
EP2199441A2 (en) | 2010-06-23 |
AU2009238377A1 (en) | 2010-07-01 |
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