JP3591620B2 - Resin processed fabric for industrial materials - Google Patents
Resin processed fabric for industrial materials Download PDFInfo
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- JP3591620B2 JP3591620B2 JP32428997A JP32428997A JP3591620B2 JP 3591620 B2 JP3591620 B2 JP 3591620B2 JP 32428997 A JP32428997 A JP 32428997A JP 32428997 A JP32428997 A JP 32428997A JP 3591620 B2 JP3591620 B2 JP 3591620B2
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Description
【0001】
【発明の属する技術分野】
本発明は、伸張回復性に優れた布帛に関するものであり、工事用ネット、テント地、各種膜材用補強材、事務用や車両用椅子等のシート材料、等の産業用用途において要求される十分な力学強さと高度の寸法安定特性に優れた布帛に関するものである。
【0002】
【従来の技術】
近年、漁網・ネットのような水産用途、各種膜補強材、椅子やベットのクッション材等の産業用用途に多くの布帛が用いられている。これらの布帛は高応力が繰り返しかかる分野で使用されており、高い強力と寸法安定性に優れた布帛が要求される。同時に、屋外で使用される用途には防水性や防風性、用途により遮光性等の要求がも為される。従来より、強力が必要とされる分野には、ポリエチレンテレフタレートやナイロン6、あるいはナイロン6、6等が用いられ、防水、防風性を必要とする用途には樹脂加工、例えば塩化ビニール樹脂配合体を外層にコートされた布帛が用いられてきた。
【0003】
例えば、工事用ネットやテント地等においては、高強力、伸張回復率、および防水、防風、遮光性を同時に満たすことが必要である。しかし、ポリエチレンテレフタレートやナイロン6、あるいはナイロン6、6等に樹脂加工を施した布帛に於いても、寸法安定性、特に伸張回復性に優れたものではなかった。
【0004】
【発明が解決しようとする課題】
本発明の目的は、かかる従来の技術を鑑み、高強力と寸法安定性を兼ね備えた布帛を提供することである。特に高応力下で繰り返し使用されることの多い産業資材用布帛に於いて、良好な伸張回復性を有する布帛を提供することにある。
【0005】
【課題を解決するための手段】
即ち、本発明は、極限粘度0. 7以上のプロピレンテレフタレートを主たる繰り返し単位とする破断強度7〜8.1g/d、破断伸度12%以上のポリエステル繊維を布帛の少なくとも一部に用いた樹脂加工されてなることを特徴とする産業資材用樹脂加工布帛である。
【0006】
本発明に用いられる重合体の極限粘度は0.7以上である必要がある。極限粘度が、0.7未満の場合、産業資材用繊維に必要な強力が得られない。より好ましい極限粘度は0.8以上である。
【0007】
また、構成繊維の一部は、プロピレンテレフタレートを主たる繰り返し単位とするポリエステル繊維であることが必要である。
【0008】
本発明におけるポリエステルをさらに詳しく述べると、テレフタル酸を主たる酸成分とし、トリメチレングリコールを主たるグリコール成分とするポリエステルを対象とする。また、テレフタル酸成分の一部を他の二官能性カルボン酸成分で置き換えたポリエステルであってもよく、および/またはグリコール成分の一部を主成分以外の上記グリコールもしくは他のジオール成分で置き換えたポリエステルであってもよい。ここで使用されるテレフタル酸以外の二官能性カルボン酸としては、例えばイソフタル酸、ナフタレンジカルボン酸、ジフェニルジカルボン酸、ジフェノキシエタンジカルボン酸、β−ヒドロキシエトキシ安息香酸、p−オキシ安息香酸、アジピン酸、セバシン酸、1,4−シクロヘキサンジカルボン酸の如き芳香族、脂肪族、脂環族の二官能性カルボン酸を挙げることができる。また上記グリコール以外のジオール成分としては、例えば、エチレングリコール、テトラメチレングリコール、シクロヘキサン−1,4−ジメタノール、ネオペンチルグリコールビスフェノールA、ビスフェノールSの如き脂肪族、脂環族、芳香族のジオール化合物およびポリオキシアルキレングリコール等を挙げることができる。さらに、ポリエステルが実質的に線状である範囲でトリメリット酸、ピロメリット酸の如きポリカルボン酸、グリセリン、トリメチロールプロパン、ペンタエリスリトールの如きポリオール、5−ヒドロキシイソフタル酸、3,5−ジヒドロキシ安息香酸の如き三官能以上のエステル形成基を有するモノマーを使用することができる。
【0009】
本発明において、上記のジカルボン酸成分とジオール成分から構成されるポリエステル繊維は、プロピレンテレフタレート成分が全体の50%以上でないと屈曲疲労特性・伸長回復性・染色性の点で満足のいく素材は得られない。さらにその繰り返し単位の80モル%以上がプロピレンテレフタレート単位であることが特に好ましい。
【0010】
さらに、前記ポリエステル中には少量の他の任意の重合体や酸化防止剤、制電剤、染色改良剤、染料、顔料、艶消剤、蛍光増白剤、不活性微粒子その他の添加剤が含有されていてもよい。特に不活性微粒子を添加する場合は外部析出法および内部析出法のいずれも採用可能である。
【0011】
本発明にかかる布帛を構成する構成繊維の破断強度、及び伸度はそれぞれ、7〜8.1g/d、12%以上が必要である。破断強度が7g/d未満の場合、所定の布帛強度を得るために必要な構成本数が多くなり、布帛重量や厚さが大きくなるため好ましくない。好ましい破断強度は8g/d以上である。また、繊維の破断伸度が12%未満の場合、強度が高くても伸度が小さいため、応力集中による破断が起こり易くなり破断強力や耐衝撃性が劣り、産業資材用布帛として好ましくない。好ましい破断伸度は15%以上である。
【0012】
本発明に用いられる樹脂は、塩化ビニル系樹脂、アクリル系樹脂、ポリエステル系樹脂、ポリオレフィン樹脂等、いずれの樹脂に於いても適応可能である。また、樹脂加工方法も、コーティング、トッピング、ラミネート法などがあるが、これらのどの方法でも構わない。また、樹脂加工は片面でも両面でも構わない。
【0013】
構成されるフィラメントは100デニール以上が好ましい。この場合、フィラメントはマルチでもモノフィラメントでも良い。単糸デニールが大きい程、耐熱、耐光性等の耐久性が良好になり好ましい。好ましい単糸デニールは3デニール以上である。構成フィラメントが100デニール未満の場合、産業資材用途に必要な強力を得るために打ち込み本数を多くする必要があり、製織工程が煩雑になり好ましくない。構成デニールは大きくても構わないが、大きすぎると、布帛が厚くなる、目が粗くなる、等問題も生じる。5000デニール以下が好ましく、より好ましくは3000デニール以下である。
【0014】
本発明の所期の目的を達成するには上記PPT繊維が、布帛の経緯方向それぞれに40%以上使用されていることがより好ましくなる。さらに好ましくは60%以上である。このPPT繊維を経緯両方向に使用する際、経緯方向に同じ使用量であることが布帛のバランス上好ましいが、これに限定されるものではない。
【0015】
また、他の繊維とPPT繊維を混合使用する場合は、熱収縮や糸の破断伸度のような糸の特性、構成繊度や単糸デニールのような糸の構成は同じ値を有するものが好ましい。これは、布表面の均整度化、布帛での強力利用率を良好にするために必要である。各特性の差は、乾熱収縮率(150℃×30分)で5%以内、より好ましくは3%以内、破断伸度差は10%以内、より好ましくは5%以内、構成繊度差は500デニール以内、より好ましくは400デニール以内、単糸デニール差は3デニール以内である。
【0016】
本発明に係る布帛のカバーファクターKは経緯両方向とも440以上であることが望ましい。K値が440未満の場合、産業資材用布帛に必要な強力が満たされず好ましくない。より好ましいK値は500以上である。
【0017】
また、本発明の布帛のK値は、経緯両方向とも同じ値である方が布帛の力学特性上のバランスが良く好ましいが、これに限定されるものではない。
【0018】
本発明にかかる布帛は平織りが最も好ましいが、これに限定されるものではなく、他の綾、朱子等の織物、あるいは編物の一部にPPT繊維を用いても構わない。
【0019】
このように、本発明のポリエステル繊維を少なくとも一部に用いた布帛に樹脂加工を施した産業資材用布帛は、優れた伸張回復性を有し、かつ強力等、産業資材用途に要求される諸物性を満たすことが可能になる。特に、使用する繊維の単糸デニールを3デニール以上とすることで、耐光性、耐熱性等耐久性も良好になるため、より好ましい産業用布帛を得ることが出来る。
【0020】
【実施例】
以下、実施例によって本発明をさらに詳細に説明する。なお、実施例中の物、評価は次のようにして求めた。
【0021】
原糸強伸度;JIS L 1013に示す方法で、測定測定を行った。なお、引張速度300mm/min、つかみ間隔250mmとして測定した。
【0022】
布帛強伸度;JIS L 1096 12. 1(A法)に示す方法で測定を行った。なお、試験片の幅50mmのラベルドストリップ法とし、つかみ間隔200mm、引張速度100mm/minで測定した。好ましい強力は200kg/5cm以上である。
【0023】
伸張回復率;JIS L 1096 6. 14. 2(C法)に準じる方法で行った。但し、伸張率をつかみ間隔の20%とした。好ましい伸張回復率は85%以上である。
【0024】
樹脂塗布量;布帛平米あたりの、塗布による重量増加分を、樹脂塗布量とした。
【0025】
通気量測定;JIS L 1096 6. 27. 1(A法)により測定を行た。好ましい通気量は0.5cm3/cm2 S以下である。
【0026】
(実施例1〜4)
極限粘度0.70のポリプロピレンテレフタレートレジンを0.1mmHGの真空度で80℃で4時間予備乾燥した後、同真空度条件で180℃で20時間固相重合を行い、極限粘度0.995のPPTレジンを得た。固相重合後、真空を窒素ガスで破壊し、そのまま外気に触れないように容器に移した。得られたPPTレジンを、280℃に調節したスクリュー型押し出し機にて溶融した後、紡糸温度を同じく280℃で紡糸し、20℃、0.3m/sの冷却風で冷却し、500m/分の紡糸速度で引き取り、一旦巻き取った。
この未延伸糸を60℃に調節したホットローラーで予備加熱したあと120℃のスチーム下で5.8倍に延伸し、140℃に設定したホットロールで3%のリラックス率で熱セットした。得られた延伸糸のト−タルデニ−ルが1000デニ−ル、単糸デニ−ルが5.2デニ−ル、破断強度が8.1g/d 、破断伸度が19%であった。当該延伸糸をを経緯方向に100%用い、織り密度を経緯方向ともに15本〜25本/inの範囲の種々の平織物を作成した。
得られた布帛に、塩化ビニール樹脂ペースト100部、可塑剤DOP60部、Ba−Zn系安定剤2部、炭酸カルシウム5部、イソシアネート系接着性向上剤1部、ベンゾフェノン系耐光性向上剤1部、白色色剤酸化チタン4部配合された樹脂をハンドコート法により布帛に塗布した。塗布後120℃×3分で乾燥を行い、185℃×5分で熱処理を行った。得られた物性を表1に示す。
【0027】
【表1】
【0028】
この結果から樹脂加工為されていない生機布帛は、通気量が大きく、特に通気度、耐水性が要求される用途に於いて、好ましい布帛ではなかった。
【0029】
(比較例1)
実施例2の条件と同法にて得られたポリエチレンテレフタレ トレジン(極限粘度0. 993)を用いた糸(以下PET繊維)以外は、実施例2と同条件で製織、樹脂塗布を行った。先ず、得られた延伸糸のト−タルデニ−ルが1000デニ−ル、単糸デニ−ルが5.3デニ−ル、破断強度が8.6g/d 、破断伸度が16%であった。次に、得られた布帛の特性を表2に示すが、構成繊維の強力等は好ましいものの、伸張回復率が不足したため、得られた布帛は産業資材用布帛としては好ましくなかった。
【0030】
【表2】
【0031】
(実施例5〜7)
PPT繊維とPET繊維を経緯ともに3:1本の割合(実施例5)、1:1本の割合(実施例6)及び1:3本の割合(実施例7)で各々織物を作成した。結果を表3に示す。
【0032】
【表3】
【0033】
この結果、PPT繊維とPET繊維の比率が25:75の織物では、若干伸張回復率が不足し、産資資材用布帛としては十分ではないことが明らかとなった。
【0034】
【発明の効果】
本発明によると産業資材用布帛に要求される強力と伸張回復率を具備した防水性、防風性、耐光性及び耐熱性に優れた産業資材用布帛を提供することを可能とした。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a fabric having excellent stretch recoverability, and is required in industrial applications such as construction nets, tents, reinforcing materials for various membrane materials, seat materials for office and vehicle chairs, and the like. The present invention relates to a fabric having sufficient mechanical strength and high dimensional stability.
[0002]
[Prior art]
2. Description of the Related Art In recent years, many fabrics have been used for fisheries applications such as fishing nets and nets, various membrane reinforcing materials, and industrial uses such as cushion materials for chairs and beds. These fabrics are used in fields where high stress is repeatedly applied, and fabrics having high strength and excellent dimensional stability are required. At the same time, there are demands for waterproofness and windproofness for applications used outdoors, and light-shielding properties depending on the application. Conventionally, polyethylene terephthalate, nylon 6, or nylon 6, 6 and the like have been used in fields where strength is required. For applications requiring waterproof and windproof properties, resin processing, for example, vinyl chloride resin compound Fabrics coated on the outer layer have been used.
[0003]
For example, in a construction net or a tent ground, it is necessary to simultaneously satisfy high strength, a stretch recovery rate, and waterproof, windproof, and light-shielding properties. However, even a fabric obtained by subjecting polyethylene terephthalate, nylon 6, or nylon 6, 6 or the like to resin processing was not excellent in dimensional stability, particularly, stretch recovery.
[0004]
[Problems to be solved by the invention]
An object of the present invention is to provide a fabric having both high strength and dimensional stability in view of the conventional technology. In particular, it is an object of the present invention to provide a fabric having good elongation recovery properties in industrial material fabrics often used repeatedly under high stress.
[0005]
[Means for Solving the Problems]
That is, in the present invention, a polyester fiber having a breaking strength of 7 to 8.1 g / d and a breaking elongation of 12% or more containing propylene terephthalate having an intrinsic viscosity of 0.7 or more as a main repeating unit is used for at least a part of the cloth. A resin-processed fabric for industrial materials, which is obtained by processing a resin.
[0006]
The intrinsic viscosity of the polymer used in the present invention needs to be 0.7 or more. When the intrinsic viscosity is less than 0.7, the strength required for industrial material fibers cannot be obtained. A more preferred intrinsic viscosity is 0.8 or more.
[0007]
In addition, some of the constituent fibers must be polyester fibers containing propylene terephthalate as a main repeating unit.
[0008]
More specifically, the polyester in the present invention is directed to a polyester containing terephthalic acid as a main acid component and trimethylene glycol as a main glycol component. Further, a polyester in which a part of the terephthalic acid component is replaced by another difunctional carboxylic acid component may be used, and / or a part of the glycol component is replaced by the above glycol or other diol component other than the main component. It may be polyester. Examples of the bifunctional carboxylic acid other than terephthalic acid used herein include, for example, isophthalic acid, naphthalenedicarboxylic acid, diphenyldicarboxylic acid, diphenoxyethanedicarboxylic acid, β-hydroxyethoxybenzoic acid, p-oxybenzoic acid, adipic acid , Sebacic acid and 1,4-cyclohexanedicarboxylic acid, and aromatic, aliphatic and alicyclic bifunctional carboxylic acids. Examples of the diol component other than the above glycol include aliphatic, alicyclic and aromatic diol compounds such as ethylene glycol, tetramethylene glycol, cyclohexane-1,4-dimethanol, neopentyl glycol bisphenol A and bisphenol S. And polyoxyalkylene glycol. Furthermore, as long as the polyester is substantially linear, polycarboxylic acids such as trimellitic acid and pyromellitic acid, polyols such as glycerin, trimethylolpropane and pentaerythritol, 5-hydroxyisophthalic acid, and 3,5-dihydroxybenzoate Monomers having three or more functional ester-forming groups, such as acids, can be used.
[0009]
In the present invention, a polyester fiber composed of the above-mentioned dicarboxylic acid component and diol component is a material that is satisfactory in terms of flex fatigue properties, elongation recovery properties, and dyeing properties unless the propylene terephthalate component is 50% or more of the whole. I can't. It is particularly preferred that 80 mol% or more of the repeating units are propylene terephthalate units.
[0010]
Further, the polyester contains a small amount of other optional polymers and antioxidants, antistatic agents, dye improvers, dyes, pigments, matting agents, optical brighteners, inert fine particles and other additives. It may be. In particular, when adding inert fine particles, any of the external precipitation method and the internal precipitation method can be adopted.
[0011]
The breaking strength and elongation of the constituent fibers constituting the fabric according to the present invention must be 7 to 8.1 g / d and 12% or more, respectively. If the breaking strength is less than 7 g / d, the number of components required to obtain a predetermined fabric strength increases, and the fabric weight and thickness are undesirably increased. The preferred breaking strength is 8 g / d or more. Further, when the elongation at break of the fiber is less than 12%, the elongation is small even if the strength is high, so that breakage due to stress concentration is likely to occur, and the breaking strength and impact resistance are poor, which is not preferable as a fabric for industrial materials. The preferred elongation at break is 15% or more.
[0012]
The resin used in the present invention is applicable to any resin such as a vinyl chloride resin, an acrylic resin, a polyester resin, and a polyolefin resin. The resin processing method includes coating, topping, laminating, and the like, and any of these methods may be used. The resin processing may be performed on one side or both sides.
[0013]
The filament to be constituted is preferably 100 denier or more. In this case, the filament may be a multifilament or a monofilament. The larger the single yarn denier, the better the durability such as heat resistance and light resistance, which is preferable. Preferred single yarn denier is 3 denier or more. If the constituent filaments are less than 100 denier, it is necessary to increase the number of driven filaments in order to obtain the strength required for industrial materials, which is not preferable because the weaving process becomes complicated. Although the constituent denier may be large, if it is too large, problems such as thickening of the cloth and coarseness may occur. It is preferably 5,000 denier or less, more preferably 3,000 denier or less.
[0014]
In order to achieve the intended object of the present invention, it is more preferable that the PPT fiber is used in an amount of 40% or more in each of the weft directions of the fabric. More preferably, it is 60% or more. When the PPT fiber is used in both the weft directions, the same amount of the PPT fiber is preferably used in the weft direction in view of the balance of the fabric, but is not limited thereto.
[0015]
Further, when the PPT fiber is used in combination with other fibers, it is preferable that the properties of the yarn such as heat shrinkage and elongation at break of the yarn, and the composition of the yarn such as constituent fineness and single yarn denier have the same value. . This is necessary in order to make the cloth surface even and to improve the strength utilization rate in the cloth. The difference between the properties is within 5%, more preferably within 3%, the elongation at break is within 10%, more preferably within 5%, and the difference in constituent fineness is 500% in terms of dry heat shrinkage (150 ° C. × 30 minutes). Within denier, more preferably within 400 denier, the single yarn denier difference is within 3 denier.
[0016]
The cover factor K of the fabric according to the present invention is desirably 440 or more in both the longitudinal and lateral directions. When the K value is less than 440, the strength required for the industrial material fabric is not satisfied, which is not preferable. A more preferred K value is 500 or more.
[0017]
Further, it is preferable that the K value of the fabric of the present invention be the same value in both the longitudinal direction and the balance in terms of the mechanical properties of the fabric, but it is not limited thereto.
[0018]
The fabric according to the present invention is most preferably plain weave, but is not limited to this, and PPT fibers may be used for other woven fabrics such as twill or satin, or a part of knitted fabric.
[0019]
As described above, the industrial material fabric obtained by subjecting the fabric using the polyester fiber of the present invention to at least a part thereof to resin processing has excellent stretch recoverability, strength, and other properties required for industrial material applications. It becomes possible to satisfy physical properties. In particular, by setting the single yarn denier of the fiber used to 3 denier or more, the durability such as light resistance and heat resistance is improved, so that a more preferable industrial fabric can be obtained.
[0020]
【Example】
Hereinafter, the present invention will be described in more detail with reference to examples. In addition, the thing and evaluation in an Example were calculated | required as follows.
[0021]
Raw yarn elongation: Measured by the method described in JIS L 1013. In addition, it measured as the pulling speed of 300 mm / min and the grip distance of 250 mm.
[0022]
11. Fabric strong elongation; JIS L 1096 The measurement was performed by the method shown in 1 (Method A). In addition, it measured by the labeling strip method with the width of a test piece of 50 mm, and a grip distance of 200 mm and a pulling speed of 100 mm / min. Preferred strength is 200 kg / 5 cm or more.
[0023]
Stretch recovery rate; JIS L 1096 6. 14. 2 (Method C). However, the extension rate was set to 20% of the grip interval. The preferred elongation recovery is 85% or more.
[0024]
Resin coating amount: The amount of weight increase due to coating per square meter of the fabric was defined as the resin coating amount.
[0025]
5. Measurement of air permeability; JIS L 1096 27. The measurement was performed according to 1 (Method A). The preferred ventilation rate is 0.5 cm3 / cm2 S or less.
[0026]
(Examples 1 to 4)
A polypropylene terephthalate resin having an intrinsic viscosity of 0.70 was preliminarily dried at 80 ° C. for 4 hours at a vacuum of 0.1 mmHG, and then subjected to solid-state polymerization at 180 ° C. for 20 hours under the same vacuum conditions to obtain a PPT having an intrinsic viscosity of 0.995. A resin was obtained. After the solid-phase polymerization, the vacuum was broken with nitrogen gas and transferred to a container without touching the outside air. The obtained PPT resin was melted by a screw-type extruder adjusted to 280 ° C., then spun at the same spinning temperature of 280 ° C., cooled at 20 ° C. with a cooling air of 0.3 m / s, and cooled at 500 m / min. At the spinning speed, and once wound up.
The undrawn yarn was preheated with a hot roller adjusted to 60 ° C, stretched 5.8 times under steam at 120 ° C, and heat-set with a hot roll set at 140 ° C at a relaxation rate of 3%. The obtained drawn yarn had a total denier of 1,000 denier, a single yarn denier of 5.2 denier, a breaking strength of 8.1 g / d and a breaking elongation of 19%. By using the drawn yarn in the weft direction at 100%, various plain weaves having a weaving density of 15 to 25 yarns / in both in the weft direction were prepared.
To the obtained fabric, 100 parts of vinyl chloride resin paste, 60 parts of plasticizer DOP, 2 parts of Ba-Zn-based stabilizer, 5 parts of calcium carbonate, 1 part of isocyanate-based adhesiveness improver, 1 part of benzophenone-based lightfastness improver, A resin mixed with 4 parts of a white coloring agent titanium oxide was applied to the fabric by a hand coating method. After application, drying was performed at 120 ° C. × 3 minutes, and heat treatment was performed at 185 ° C. × 5 minutes. Table 1 shows the obtained physical properties.
[0027]
[Table 1]
[0028]
From this result, the greige fabric not subjected to the resin processing was not a preferable fabric particularly in applications requiring high air permeability and air permeability and water resistance.
[0029]
(Comparative Example 1)
Weaving and resin coating were carried out under the same conditions as in Example 2 except that the yarn (hereinafter referred to as PET fiber) using polyethylene terephthalate resin (intrinsic viscosity 0.993) obtained by the same method as in Example 2 was used. . First, the resulting drawn yarn had a total denier of 1000 denier, a single yarn denier of 5.3 denier, a breaking strength of 8.6 g / d and a breaking elongation of 16%. . Next, the properties of the obtained fabric are shown in Table 2. Although the strength and the like of the constituent fibers were preferable, the obtained fabric was not preferable as a fabric for industrial materials due to insufficient stretch recovery.
[0030]
[Table 2]
[0031]
(Examples 5 to 7)
PPT fibers and PET fibers were produced at a ratio of 3: 1 fibers (Example 5), 1: 1 fibers (Example 6), and 1: 3 fibers (Example 7) in both cases. Table 3 shows the results.
[0032]
[Table 3]
[0033]
As a result, it was clarified that the woven fabric having a ratio of PPT fiber to PET fiber of 25:75 had a slightly insufficient elongation recovery rate, and was not sufficient as a fabric for industrial materials.
[0034]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, it became possible to provide the cloth for industrial materials excellent in waterproofness, windproof property, light resistance, and heat resistance provided with the strength and the stretch recovery rate required for the cloth for industrial materials.
Claims (4)
K=(デニール)1/2×(織り密度)[本/in]2. The resin processed fabric for industrial materials according to claim 1, wherein the cover factor K in each of the weft directions represented by the following formula is 440 or more.
K = (denier) 1/2 x (woven density) [books / in]
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP32428997A JP3591620B2 (en) | 1997-11-26 | 1997-11-26 | Resin processed fabric for industrial materials |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32428997A JP3591620B2 (en) | 1997-11-26 | 1997-11-26 | Resin processed fabric for industrial materials |
Publications (2)
Publication Number | Publication Date |
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JPH11158748A JPH11158748A (en) | 1999-06-15 |
JP3591620B2 true JP3591620B2 (en) | 2004-11-24 |
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JP32428997A Expired - Lifetime JP3591620B2 (en) | 1997-11-26 | 1997-11-26 | Resin processed fabric for industrial materials |
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JP (1) | JP3591620B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002201548A (en) * | 2000-11-06 | 2002-07-19 | Asahi Kasei Corp | Uphostery fabric |
JP6200117B1 (en) * | 2017-05-31 | 2017-09-20 | 前田工繊株式会社 | Wind and snow fence |
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1997
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