WO2006030628A1 - 伸縮性布帛、及びスクリーン基布 - Google Patents
伸縮性布帛、及びスクリーン基布 Download PDFInfo
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- WO2006030628A1 WO2006030628A1 PCT/JP2005/015714 JP2005015714W WO2006030628A1 WO 2006030628 A1 WO2006030628 A1 WO 2006030628A1 JP 2005015714 W JP2005015714 W JP 2005015714W WO 2006030628 A1 WO2006030628 A1 WO 2006030628A1
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- fabric
- elastic
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- elastic fibers
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- 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
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- 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
- D03D15/56—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 elastic
Definitions
- the present invention relates to a stretchable fabric having both stretchability and flame retardancy.
- the present invention also relates to a highly stretchable screen base fabric that has excellent shape maintenance performance and surface smoothness and can withstand discoloration due to long-term exposure. More specifically, the present invention relates to a highly stretchable screen base fabric that can be folded and stored after the elongation and strain generated by long-term use can be restored to its original form by mild heat treatment.
- Elastic yarns using polyurethane elastic fibers or urea fiber are widely used in the clothing field and the like, and their uses are expanding year by year.
- elastic yarn is used alone, but in order to improve tactile sensation, fabric surface gloss and color uniformity, core-sheath type composite spun yarn, force-balancing yarn, etc. in combination with non-elastic yarn Often used as a composite yarn (see, for example, Patent Documents 1 and 2).
- Patent Document 3 teaches a method of impregnating a resin containing a polyurethane elastic fiber into a resin containing a phosphorus-containing flame retardant.
- the flame retardant performance is insufficient by such a method, or when the texture is hardened by using a high-concentration flame retardant to supplement it, there is a difficulty.
- Patent Document 4 teaches a method of kneading a flame retardant into an elastic yarn in order to suppress the flammability itself in a fabric using polyetherester elastic yarn as warp or weft! / RU
- polyetherester elastic yarns are insufficiently stretchable and are inferior in economic efficiency due to the use of expensive flame retardants. For this reason, it is difficult to use widely.
- a screen base fabric has been required to have a performance capable of clearly describing a projected image, that is, a performance capable of reproducing the brightness and saturation of an image without causing image distortion.
- a performance capable of clearly describing a projected image that is, a performance capable of reproducing the brightness and saturation of an image without causing image distortion.
- it is very important to reflect the projection light efficiently and uniformly, and a moderate white It is necessary to maintain smoothness.
- the performance required for decorative use screens is as follows: (1) It can be easily detached and can maintain flatness when worn, that is, it does not sag or wrinkle and can follow some deformation. (2) Light weight and compact storage, (3) Excellent light resistance, whiteness, no discoloration, (4) Appropriate transparency.
- the performance of (1) is a performance required as an interior, and is a function necessary to be attached at any time and project a favorite image. This is a performance that can follow various shapes, and if this performance is satisfied, there is no need to design a strict dimension when sewing.
- the screen base fabric is lightweight for detachment in the home or office.
- the screen base fabric is originally intended to receive light.
- the performance of (4) is required when used as an interior product. For example, it is required when the background and the projected image are superimposed by transmitting light through the screen, or when a transparent image is created by juxtaposing multiple screens.
- Patent Document 1 JP 2001-355138 A
- Patent Document 2 JP 2004-36016 A
- Patent Document 3 Japanese Patent Laid-Open No. 2002-38374
- Patent Document 4 Japanese Patent Laid-Open No. 11-350297
- Patent Document 5 Japanese Patent Laid-Open No. 2003-3679
- a first object of the present invention is to provide a fabric that has excellent flame retardancy and stretchability, and has aesthetics and good texture.
- a second object of the present invention is to provide a screen base fabric that is easy to follow deformation that is difficult to cause wrinkles and sagging and that has excellent light resistance.
- a fabric that contains elastic fibers and has a constant load elongation rate of 50% or more and a recovery rate of 50% or more in the elongation direction of the elastic fibers can be suitably used as a screen base fabric that is less prone to wrinkles and distortion Compared to the case using polyurethane elastic fiber Since it is difficult to yellow by light irradiation, it can be suitably used as a screen base fabric.
- the present invention has been completed based on the above findings, and provides the following stretchable fabrics.
- Item 1 Including cross-linked polyolefin-based elastic fiber and flame-retardant inelastic fiber, the constant load elongation rate in the direction in which the elastic fiber stretches is 10% or more, and the recovery rate in the direction in which the elastic fiber stretches is 60. % Stretchable fabric with flame retardancy that satisfies the flame retardant category “Flame Retardancy” in the standard for power flammability test “Railway No. 81”.
- Item 2 The stretchable fabric according to Item 1, wherein the mixture ratio of the elastic yarn in the fabric is 20% by weight or less.
- the inelastic fiber is at least one fiber selected from the group consisting of cotton, polyester, cotton and polyester, and polyamide, and includes an organic phosphorus flame retardant. Elastic fabric.
- Item 4 The stretchable fabric according to Item 1, wherein the inelastic fiber is a polyester fiber copolymerized with a phosphorus compound so that the phosphorus atom content is 4, OOOppm or more.
- Item 5 The stretchable fabric according to Item 4, wherein the polyester fiber is present as a filament yarn.
- Item 6 A screen comprising polyolefin-based elastic fibers and non-elastic fibers, wherein the constant load elongation rate in the stretching direction of the elastic fibers is 50% or more, and the recovery rate in the stretching direction of the elastic fibers is 50% or more. Base fabric.
- Item 7 The screen base fabric according to Item 6, wherein the polyolefin elastic fiber is a cross-linked polyolefin elastic fiber.
- Item 8 The screen base fabric according to Item 6, wherein the non-elastic fiber is at least one selected from the group consisting of polyester filaments and polyolefin filaments.
- Item 9 The screen base fabric according to Item 6, wherein the mixing ratio of the elastic fibers is 5 to 30% by weight.
- Item 10 The screen base fabric according to Item 6, wherein the fabric structure is a knitted fabric.
- a fabric comprising polyolefin elastic fibers and non-elastic fibers and having a constant load elongation rate of 50% or more in the extension direction of the elastic fibers and a recovery rate of 50% or more in the extension direction of the elastic fibers is screened.
- the manufacturing method of the screen base fabric including the process of adjusting to the shape of this.
- Item 12 A fabric screen comprising polyolefin elastic fibers and non-elastic fibers, wherein the constant load elongation rate of the elastic fibers in the elongation direction is 50% or more, and the recovery rate of the elastic fibers in the elongation direction is 50% or more. Use as a base fabric.
- a fabric screen comprising polyolefin elastic fibers and non-elastic fibers, wherein the constant load elongation rate in the extension direction of the elastic fibers is 50% or more, and the recovery rate in the extension direction of the elastic fibers is 50% or more. Use for the manufacture of base fabrics.
- the stretchable fabric of the present invention is a fabric comprising a cross-linked polyolefin-based elastic fiber and a flame-retardant inelastic fiber, the fabric has both sufficient stretchability and high flame-retardant performance.
- the elastic fiber has a high combustion propagation speed, so that the elastic fiber mixing ratio is increased in order to increase stretchability.
- the fire retardant becomes inadequate, flame retardant inelasticity to increase the fire retardant
- the stretchability was insufficient and both could not be satisfied.
- a melt-type inelastic flame-retardant fiber containing a phosphorus compound has a mechanism that weakens the fire power and suppresses the expansion of combustion when the ignition portion melts and falls off.
- the elastic fibers act as a conductor and expand the energization before the melt of non-elastic fibers falls off. Use of this will reduce the flame retardant performance. As a result, this fabric tends to burn and spread in the continuous direction of the inertia fiber.
- cross-linked polyolefin elastic fiber is used as the elastic fiber, surprisingly, the fire does not expand.
- the stretchable fabric of the present invention is a fabric having a soft texture because the amount of flame retardant used can be reduced by the amount of use of the cross-linked polyolefin-based elastic fiber. Furthermore, since the cost required for the flame retardant can be reduced, it can be used in many applications such as interior decoration materials in vehicles and vehicles.
- the screen base fabric of the present invention can be easily attached to the frame because it easily follows various shapes. Also, it has excellent surface smoothness, that is, it is difficult for wrinkles and distortion to occur during use, and it is also difficult to cause wrinkles and distortion when it is used after being folded. In addition, because of its excellent light resistance, it is difficult to yellow even after repeated use.
- the stretchable fabric of the present invention is a fabric comprising a cross-linked polyolefin-based elastic fiber and a flame-retardant inelastic fiber.
- this fabric has a constant load elongation rate in the direction in which the elastic fiber extends.
- Cross-linked polyolefin is a fiber obtained by subjecting a substantially linear olefin to a cross-linking treatment, and has a substantially uniform branch with respect to the main chain.
- Such a cross-linked polyolefin is polymerized with an olefin monomer and then chemically cross-linked using, for example, a radical initiator or a coupling agent, or an energy beam such as an electron beam, j8 ray, or ⁇ ray. It can be obtained from the cross-linking from the irradiation.
- the cross-linking method is preferably cross-linking by irradiation with energy rays in consideration of the stability after it has become a product.
- the degree of crosslinking is preferably 40% by weight or less (ie, the gel content of 30% by weight or more) (ie, the gel content of 30% by weight or more) measured by ASTM D-2765, for example. More preferably, the gel content is 60% by mass or more.
- olefins examples include ethylene.
- specific examples of the cross-linked polyolefin include a cross-linked low density polyethylene copolymerized with ⁇ -olefin, and a cross-linked polyolefin described in JP-T-Heisei 20 02-515530.
- the crosslinked polyolefin elastic fiber has excellent stretchability, chemical resistance, weather resistance, and heat resistance due to the crosslinked structure.
- the elastic fiber refers to a fiber having rubber elasticity that is accepted by society, for example, a fiber that recovers 50% or more of its elongation when stretched by 50% (1.5 times).
- the non-elastic fiber means a rubber having no social elasticity! /
- a fiber which does not have stretch recovery properties, and is a general polyester, polyamide, polyethylene. Refers to fibers such as polypropylene. For example, when the fiber is stretched by 50% (1.5 times), the elongation does not recover by 50% or more.
- the flame-retardant fiber refers to a non-flammable or flame-retardant fiber.
- Flame retardant fiber is a fiber in which a flame retardant is kneaded in the fiber, and flame retardant molecules are copolymerized with the molecules that make up the fiber! /
- a flame retardant impregnated or applied to any material flame retardant fiber or fabric Any of post-processed flame retardant fibers, fibers composed of flame retardant polymer materials, and the like may be used. From the viewpoint of durability of flame retardancy, the material flame retardant fiber is more preferable in view of maintaining the aesthetics preferred by the material flame retardant fiber and the fiber composed of the flame retardant polymer material.
- polyester is preferred from the viewpoints of economy, processability, durability, aesthetics, and so on.
- the method of flame retarding polyester co-polymerizes Liny compound with flame retardancy.
- an organic phosphorus flame retardant is absorbed or applied after forming a fabric and a fabric, and a method in which a phosphorus compound is copolymerized is more preferable from the viewpoint of durability.
- any known organophosphorus flame retardant can be used without limitation.
- organophosphorous flame retardants include phosphorus-containing cyclic compounds, phosphorus-containing bromine compounds, chlorinated alkyl phosphates, methylol phosphonates, condensed phosphate esters, and condensed phosphates.
- An organic phosphorus flame retardant can be used alone or in combination of two or more.
- the amount of the organophosphorus flame retardant used is preferably about 4000 to 10,000 ppm, more preferably about 5000 to 6500 ppm with respect to the inelastic fiber. If it is the said range, the flame retardance of the fabric combined with the bridge
- Examples of the phosphorus compound copolymerized with the polyester include compounds represented by the following formula (1).
- R is a monovalent ester-forming functional group, and R and R are the same or different,
- Halogen atom a hydrocarbon group having 1 to 10 carbon atoms, or the same monovalent ester form as R
- N represents 1 or 2
- N and n are the same or different and each represents an integer of 0 to 4.
- Examples of the phosphorus compound contained in the formula (1) include the following compounds (a) to (z),), and (
- the above compounds are preferable in terms of flame retardancy and production cost.
- Linyi compound is one kind alone or two kinds The above can be used in combination.
- the amount of the phosphorus compound used may be such that the phosphorus atom content in the inelastic fiber is preferably 4, OOOppm or more, more preferably 5, OOOppm or more.
- the upper limit of the amount of the phosphorus compound used is not particularly limited, but it is usually about 10, OOOppm. If it is the said range, the flame retardance of a fabric will become sufficient and it will have a favorable texture. In addition, if an excessively large amount of organophosphorus flame retardant is used, no further effect is obtained and only the cost is increased.
- the copolyester may be used as either a filament yarn or a short fiber spun yarn. It is preferable to use it as a filament yarn in terms of aesthetics and flame retardancy. In this case, when a fabric bulge or higher stretch performance is required, it may be used as false twisted yarn.
- non-elastic fibers that can be preferably used include cotton yarns, blended yarns of polyester short fibers and cotton, polyamide filament yarns, and the like containing an organic phosphorus flame retardant in an amount of about 5 to 30% by weight.
- the constant load elongation rate in the direction in which the elastic fiber stretches is usually 10% or more, preferably 15% or more.
- the upper limit of constant load elongation is about 50%. If it is in the range of the above-mentioned elongation rate, the followability when pasting and applying in various required forms is sufficient, and the elongation recovery performance is good.
- the recovery rate in the direction in which the elastic fibers of the fabric extend is usually 60% or more, preferably 80% or more. If the recovery rate is within the above range, sagging and wrinkles are unlikely to enter during pasting.
- the method for measuring the constant load elongation rate and the recovery rate is as described in the examples.
- the elongation direction of the elastic fiber indicates the warp direction when the elastic fiber is used as the warp, the weft direction when the elastic fiber is used as the weft, and the elastic fiber is used for the warp and the weft. Point in both directions.
- the mixing ratio of elastic fibers in the fabric is preferably 3% by weight or more, more preferably 5% by weight or more. Further, the mixture ratio of the elastic fibers in the fabric is preferably 20% by weight or less, more preferably 15% by weight or less. This blend If the ratio is within the range, a fabric having the above-described constant load elongation rate and recovery rate can be obtained, and practically sufficient flame retardancy can be obtained. In addition, when the mixing ratio is within this range, slippage between the fabrics having the elastic-like texture unique to elastic fibers is improved. Further, the irritating gloss caused by the exposure of the elastic fiber to the fabric surface can be suppressed. Also, price increases due to elastic fibers can be suppressed.
- Such cross-linked polyolefin elastic fibers and flame-retardant inelastic fibers may be woven or knitted.
- the method of mixing elastic fibers and non-elastic fibers is not limited, and examples thereof include combined use such as union, union, union, union, mixed yarn, composite spinning, and cover link composite yarn.
- the elastic fibers are woven and knitted using a knitted ring yarn obtained by knitting elastic fibers with non-woven fibers.
- the canoring yarn may be used alone, or may be woven or knitted with another inelastic yarn.
- the covering yarn as described above, the elastic yarn can be almost completely covered with the non-elastic fiber, so that the fabric is excellent in strength and texture.
- the screen base fabric of the present invention includes polyolefin elastic fibers and non-elastic fibers, and the constant load elongation rate of the elastic fibers in the extension direction is 50% or more, and the recovery rate of the elastic fibers in the extension direction is 50% or more.
- a simple fabric is also available.
- Polyolefin elastic fibers may be used as ordinary filament yarns.
- polyolefin fibers as elastic fibers, a fabric having excellent light resistance can be obtained.
- the fabric is very light.
- this fabric has soft stretchability with low elongation stress and excellent handling properties at the time of desorption by using a polyolefin-based elastic fiber. For these reasons, this fabric can be suitably used as a screen base fabric.
- the polyolefin-based elastic fiber is preferably a crosslinked polyolefin-based elastic fiber.
- the crosslinked polyolefin elastic fiber is as described above.
- Cross-linked type By using polyolefin elastic fibers, even if the fabric is excessively stretched and strain is generated, the residual strain can be removed by heat treatment in a state where the stretching stress is removed. This strain can be removed by heat treatment no matter how many times it is formed. For example, even if the fabric is partially distorted and slackened due to accidental overstretching during use, it can be partially heated with a hair dryer, etc., or removed and removed with a tumbler dryer etc. By heat treatment, strain, tension and sagging can be removed.
- a screen base fabric using a cross-linked polyolefin-based elastic fiber can be easily manufactured by utilizing the above properties. For example, it is possible to set the stretch heat before sewing to reduce the stretchability, thereby making it easy to perform the sewing, and to return to the original stretchable fabric by relaxing heat treatment after the sewing.
- the strength of the fabric can be improved by using non-elastic fibers in addition to the cross-linked polyolefin elastic fibers and adjusting the type and composition ratio.
- the transparency of the fabric can be controlled.
- the meanings of the elastic fiber and the non-elastic fiber in the present invention are the same as described in the item of stretchable fabric.
- inelastic fiber is not particularly limited. Inelastic fibers can be natural fibers, chemical fibers, or a combination of both! /.
- Examples of natural fibers include cotton fibers, hemp fibers, kenaf fibers, natto fibers, soybean protein fibers, wool fibers, silk fibers, cashmere fibers, and mohair fibers.
- Examples of chemical fibers include rayon fibers, cupra fibers, acetate fibers, promix fibers, polylactic acid fibers, polyester fibers, polyamide fibers, polyolefin fibers, beloon fibers, acrylic fibers, and the like. Can do.
- Non-elastic fibers can be used singly or in combination of two or more.
- Non-elastic fibers are used as filament yarns so that the fluff on the surface of the fabric does not disturb the image. Yes. However, when trying to obtain a blurred and fantastic image, it is preferable to use it as a short fiber spun yarn.
- polyester In order to improve durability and light resistance and to make a low-cost fabric, polyester is used.
- Polyolefin filament yarn is more preferred in terms of the light weight that is preferred for filament yarn or polyolefin filament yarn. It is preferable that a non-elastic fiber is kneaded or copolymerized with a flame retardant.
- Filament yarns include non-crimped yarns (hereinafter referred to as “flat yarns”) and crimped yarns (hereinafter referred to as “calo yarns”), depending on the required level of transparency. can do.
- flat yarns crimped yarns
- calo yarns crimped yarns
- a flat yarn can be suitably used as the non-elastic fiber
- a processed yarn can be suitably used as the non-elastic fiber.
- the method of mixing the elastic fiber and the non-elastic fiber is not particularly limited, and for example, known means such as drawing, twisting, canoring, knitting, knitting can be used.
- known means such as drawing, twisting, canoring, knitting, knitting can be used.
- the cano ring covered with the non-elastic fiber is covered with the elastic fiber. It is desirable to use yarn.
- the fabric of the present invention has a constant load elongation rate in the extension direction of the elastic fiber of 50% or more and a recovery rate in the same direction of 50% or more. Within this range, wrinkles are unlikely to occur when the screen base fabric is attached to the frame, and distortion is unlikely to occur during use. Moreover, since it can be made to follow a desired shape, it can be easily attached to the frame and can be easily sewn.
- the mixing ratio of the polyolefin elastic fibers in the fabric affects the elongation stress of the fabric.
- the mixing ratio of the elastic fibers is preferably 30% by weight or less, more preferably 15% by weight or less.
- the lower limit of the mixing ratio of elastic fibers is usually about 5% by weight.
- the elongation characteristics (constant load elongation rate and recovery rate) of a fabric largely depend not only on the mixing rate of elastic yarn but also on the fabric structure and fiber density. In order to obtain a constant load elongation rate and recovery rate of 50% or more, it is necessary to use a fabric having a low fiber density. Even if the fiber density is low, no misalignment or the like occurs!
- a knitted fabric is suitable. The The knitted fabric is easy to recover from creases when folded and stored. It is also an excellent material in terms.
- the knitted fabrics can be broadly classified into circular knitting and warp knitting, and any knitted fabric may be used. However, warp knitting, particularly tricot is suitable for making a wide screen.
- the fabric of the present invention is preferably a woven fabric with a thin knitted fabric, tricot, or half structure.
- a rib structure or an interlock structure may be used.
- pearl knitting is also included in the broad sense Tengu.
- tricot if inelastic fibers are used at the forefront, the elastic fibers are placed in the center of the knitted fabric, and the inelastic fibers cover the front and back of the knitted fabric. Even if it is not used as a bare yarn, it becomes a fabric with excellent wear resistance.
- the elastic fiber comes out on the surface of the knitted fabric, the slip between the skin and the upper garment becomes worse, and the feeling of wearing becomes worse. Therefore, in the case of a circular knitted fabric, it is preferable to use it in combination with an inelastic filament by means of covering or entanglement. In this case, only the composite yarn of elastic fiber and non-elastic fiber may be used, or it may be knitted with other filament yarn.
- the screen base fabric of the present invention preferably has a light transmittance of about 0 to 90%, more preferably about 50 to 80%. If it is in the above range, the background and the image are matched appropriately. In other words, if the light transmittance is extremely low, the transparency of the background is deteriorated. Conversely, if the light transmittance is extremely high, the sharpness of the projected image is deteriorated. Does not happen.
- the light transmittance is a value measured by the method described in Examples.
- the screen base fabric of the present invention includes polyolefin elastic fibers and non-elastic fibers, and has a constant load elongation rate of 50% or more in the stretching direction of the elastic fibers and a recovery rate of 50% or more in the stretching direction of the elastic fibers. It is manufactured by arranging the fabric which is the shape of the screen.
- the shape of the screen includes not only the shape at the time of use but also the shape that becomes the shape at the time of use by stretching. If the fabric is a woven fabric, it may be adjusted to the shape of the screen by cutting and sewing. If the fabric is a knitted fabric, it may be knitted so as to have the shape of a screen.
- the use of the present invention includes polyolefin-based elastic fibers and non-elastic fibers, and the constant load elongation rate of the elastic fibers in the extension direction is 50% or more, and the recovery rate of the elastic fibers in the extension direction is 50%.
- the fabric as described above is used as a screen base fabric or used for manufacturing a screen base fabric.
- the flame test piece reaches the test
- Polyester filament yarn (copolymerized with a phosphorus compound to a phosphorus atom content of 6, OOOppm while drafting 44 decitex cross-linked polyolefin elastic yarn (Toyobo Co., Ltd .; DOW XLA)) Toyobo Co., Ltd .; Heim)
- a 167 dtex 48 filament false twisted yarn was beaten at 400 TZm to obtain a canoring yarn.
- a plain woven fabric was obtained with the cannulated yarn as a weft, the false twisted yarn constituting the cannulated yarn as a warp, a warp density of 90 Zin., And a weft density of 70 Zin.
- the mixing ratio of the elastic yarn in the fabric was 3.7% by weight. This cloth was scoured, de-sanded and set by a conventional method to obtain a finished cloth.
- Table 2 below shows the evaluation results of the constant load elongation rate, recovery rate, and flame retardancy of this fabric.
- the fabric is excellent for both stretchability and flame retardancy, and the fabric shape follows a complex curved shape, can be manufactured without wrinkles and sagging, and is suitable for a partition fabric that exhibits a non-stiff feel. It was.
- Example 1-1 the phosphorus atom content was 6, OOOppm (polyester filament yarn copolymerized with phosphorus compound (Toyobo Co., Ltd .; Heim)) 167 decitex 48 filament false twisting cage Instead of yarn, a regular plain woven yarn (manufactured by Toyobo Co., Ltd .; polyester filament) was used to obtain a plain weave fabric in the same manner as in Example 1-1, and in the same manner as in Example 1-1.
- OOOppm polyter filament yarn copolymerized with phosphorus compound (Toyobo Co., Ltd .; Heim)
- a regular plain woven yarn manufactured by Toyobo Co., Ltd .; polyester filament
- Table 2 shows the evaluation results of the constant load elongation rate, recovery rate, and flame retardancy of the fabric.
- the fabric was excellent in both stretchability and flame retardancy, and was a fabric suitable as a partition fabric, similar to the fabric obtained in Example 1-1.
- Example 1-1 except that 44 decitex was used instead of 44 decitex cross-linked polyolefin elastic yarn (Toyobo Co., Ltd .; DOWXL A) instead of polyurethane elastic yarn (Espa 465, Toyobo Co., Ltd.). A finished cloth was obtained in the same manner. The mixing ratio of the neutral fiber in the fabric was 3.7% by weight.
- Table 2 shows the evaluation results of the constant load elongation rate, recovery rate, and flame retardancy of this fabric. Although it showed good stretchability, it did not show flame retardancy. As for the combustion state, it showed a spread in the horizontal direction when the long side was in the warp direction, and in the vertical direction when the long side was in the weft direction.
- the finished machine obtained in Example 1 2 was processed by the same finishing method as in Example 11 to obtain a finished fabric.
- Table 2 shows the evaluation results of the constant load elongation rate, recovery rate, and flame retardancy of this fabric. Although good stretchability was exhibited, the flame retardancy was not exhibited because the flame retardant fiber was not used.
- a plain woven fabric was obtained using the cannulated yarn as a weft, the false twisted yarn constituting the covering yarn as a warp, and a warp density of 120 Z inches and a weft density of 90 Z inches.
- the mixing ratio of the elastic yarn in the fabric was 3.6% by weight. This cloth was scoured, de-sanded and set by a conventional method to obtain a finished cloth.
- Table 2 shows the evaluation results of the constant load elongation rate, recovery rate, and flame retardancy of this fabric.
- the flame retardancy and stretch recovery properties are excellent, but the stretch rate is low and the curved shape is added to the fabric shape.
- it was a fabric with poor aesthetics, which was a partitioning fabric that showed wrinkles and sagging and had a stiff feel.
- a covering yarn was obtained by winding a 48-filament false twisted yarn at 400 TZm.
- a plain woven fabric was obtained by using the canoring yarn as a weft, the false twisted yarn constituting the canoring yarn as a warp, and a warp density of 70 Z inches and a weft density of 50 Z inches.
- the mixing ratio of the elastic yarn in the fabric was 3.5% by weight. This cloth was scoured, de-sanded and set by a conventional method to obtain a finished cloth.
- Table 2 shows the evaluation results of the constant load elongation rate, recovery rate, and flame retardancy of this fabric. Although it has excellent values for flame retardancy and extensibility, it follows the shape of the fabric even with a complex curved shape with a low elongation recovery rate, but it can immediately bend and sag and has a poor tactile feel. It was a fabric with poor aesthetics.
- A indicates the fineness of the cross-linked polyolefin elastic fiber
- B indicates the draft ratio of the polyolefin fiber at the time of composite
- C indicates the fineness at the time of elongation of the composite yarn
- D indicates the mixing ratio of the composite yarn.
- the obtained knitted fabric is fixed to the frame provided on the spectrophotometer with double-sided tape, and the transmittance from 320 nm to 900 nm is measured with a spectrophotometer (U-3210, manufactured by Hitachi, Ltd.). Determine the transmittance of the knitted fabric.
- the mixing ratio of the elastic fiber was 18% by weight. After scouring and final setting in the usual manner, a finished fabric with a course density of 60 CZ inch, wale density of 62 WZ inch, basis weight; 80 gZ m 2 was obtained. Table 3 below shows the results of evaluating the stretch characteristics and transmittance of this knitted fabric.
- This knitted fabric was sewn into a screen.
- the size was 10% smaller than the size of the mounting frame, but it could be easily extended to the shape of the frame when installed.
- This screen has a relatively low transparency, and a clear image was obtained when projected. On the screen surface, no wrinkles or sagging was seen. Even with repeated projections and daytime exposures, the whiteness remained unchanged without changing color resistance. In addition, there was no decrease in strength or change in elasticity with use.
- This knitted fabric was sewn into a screen. At this time, the dimensions of the screen were 15% smaller and longer than the dimensions of the mounting frame, and extended by 15%, but they could be easily extended to the frame shape when installed.
- Separately prepared polyester false twisted yarn 55 decitex 24 filament yarn (manufactured by Toyobo Co., Ltd .; polyester filament yarn) is used as warp, and the above-mentioned canoring yarn is used as the weft.
- Example 2-1 was the same as Example 2-1 except that polyurethane elastic yarn 44 dtex (Toyobo Espa T765) was used instead of the cross-linked polyolefin elastic yarn supplied to the knocker.
- a screen base fabric was obtained and used as a screen. Each time it was projected and used, it turned yellow, and in about half a year, it lacked aesthetics as a curtain, and the screen was inferior in sharpness.
- Table 3 shows the evaluation results of the stretch properties and permeability of this fabric.
- Example 2-2 the screen base was the same as in Example 2-2, except that polyester filament 22 dtex 8 filament (Toyobo Co., Ltd .; polyester filament yarn) was used instead of the crosslinked polyolefin elastic yarn. I got a cloth. Table 3 shows the stretch properties and permeability of this fabric. The fabric had a slightly lower constant load elongation and a lower recovery rate. As a result, some wrinkles and sagging were observed after installation, and the sagging and wrinkles were particularly noticeable when installed after storage, resulting in loss of quality.
- polyester filament 22 dtex 8 filament Toyobo Co., Ltd .; polyester filament yarn
- Separately prepared polyester false twisted yarn 55 decitex 24-filament yarn (manufactured by Toyobo Co., Ltd .; polyester filament yarn) is used as warp, and the above-mentioned canoring yarn is used as the weft.
- Weaving and scouring into plain weave by the method we obtained a woven fabric with a warp density of 150 Z inches and a weft density of 120 Z inches.
- polyester false twisted yarn 55 decitex 24 filament yarn (Toyobo Co., Ltd .; polyester filament yarn)
- 300 yarns of Zm real twist is used as warp
- the above-mentioned canoring yarn is used as the weft Weaving into a plain weave and scouring the set in a conventional manner to obtain a woven fabric having a warp density of 80 Z inches and a weft density of 50 Z inches.
- the mixing ratio of the elastic fiber was (10.1) wt%.
- Table 3 shows the results of evaluating the stretch properties and transmittance of this fabric.
- This fabric was sewn in the same way as a normal curtain, attached with a curtain rail, used as a curtain at all times, and stretched by 10% in the weft direction when used as a screen. Although the permeability was sufficient, there was no stretch recovery ability, so slack and wrinkles were seen in some places even when stretched 10% when used as a screen, and it did not function as a screen with poor flatness. In addition, the shape of the curtain was poor, and the shape of the curtain collapsed over time, impairing the quality.
- the stretch fabric of the present invention has good flame retardancy in addition to excellent stretch performance. For this reason, it can be suitably used for partitions, upholstery cloths, and interior decorations. In particular, new applications can be developed in that it has a texture comparable to conventional stretchable fabrics and has flame retardancy.
- the screen base fabric of the present invention has excellent smoothness and transparency, is hardly yellowed by projection, and can be suitably used as a screen base fabric for decoration.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Knitting Of Fabric (AREA)
- Woven Fabrics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004265332A JP4415259B2 (ja) | 2004-09-13 | 2004-09-13 | 高伸縮性スクリーン基布 |
| JP2004-265332 | 2004-09-13 | ||
| JP2004313759A JP4461376B2 (ja) | 2004-10-28 | 2004-10-28 | 燃広がり難い伸縮性布帛 |
| JP2004-313759 | 2004-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006030628A1 true WO2006030628A1 (ja) | 2006-03-23 |
Family
ID=36059883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/015714 Ceased WO2006030628A1 (ja) | 2004-09-13 | 2005-08-30 | 伸縮性布帛、及びスクリーン基布 |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2006030628A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12371824B2 (en) | 2021-05-21 | 2025-07-29 | Southern Mills, Inc. | Flame resistant fabrics formed with stretchable yarns |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002327335A (ja) * | 2001-05-07 | 2002-11-15 | Toyobo Co Ltd | 難燃性ポリエステル混繊糸及び織編物 |
| JP2004211264A (ja) * | 2003-01-08 | 2004-07-29 | Toyobo Co Ltd | 弾性複合紡績糸織物およびそれを用いた製品およびその製造方法 |
| JP2004211253A (ja) * | 2003-01-07 | 2004-07-29 | Toyobo Co Ltd | 弾性複合紡績糸を含む伸縮性編地およびそれを用いた伸縮性衣料 |
| JP2004211254A (ja) * | 2003-01-07 | 2004-07-29 | Toyobo Co Ltd | 形状記憶性のある高伸縮性フィラメント編地及びその製造方法、及びインナーウエアー |
-
2005
- 2005-08-30 WO PCT/JP2005/015714 patent/WO2006030628A1/ja not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002327335A (ja) * | 2001-05-07 | 2002-11-15 | Toyobo Co Ltd | 難燃性ポリエステル混繊糸及び織編物 |
| JP2004211253A (ja) * | 2003-01-07 | 2004-07-29 | Toyobo Co Ltd | 弾性複合紡績糸を含む伸縮性編地およびそれを用いた伸縮性衣料 |
| JP2004211254A (ja) * | 2003-01-07 | 2004-07-29 | Toyobo Co Ltd | 形状記憶性のある高伸縮性フィラメント編地及びその製造方法、及びインナーウエアー |
| JP2004211264A (ja) * | 2003-01-08 | 2004-07-29 | Toyobo Co Ltd | 弾性複合紡績糸織物およびそれを用いた製品およびその製造方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12371824B2 (en) | 2021-05-21 | 2025-07-29 | Southern Mills, Inc. | Flame resistant fabrics formed with stretchable yarns |
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