JP2006307383A - Heat-retaining polyester fiber having excellent clarity and fabric - Google Patents
Heat-retaining polyester fiber having excellent clarity and fabric Download PDFInfo
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- JP2006307383A JP2006307383A JP2005131481A JP2005131481A JP2006307383A JP 2006307383 A JP2006307383 A JP 2006307383A JP 2005131481 A JP2005131481 A JP 2005131481A JP 2005131481 A JP2005131481 A JP 2005131481A JP 2006307383 A JP2006307383 A JP 2006307383A
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- 239000000835 fiber Substances 0.000 title claims abstract description 61
- 229920000728 polyester Polymers 0.000 title claims abstract description 60
- 239000004744 fabric Substances 0.000 title claims abstract description 28
- 239000006096 absorbing agent Substances 0.000 claims abstract description 14
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 14
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 5
- 239000010419 fine particle Substances 0.000 claims description 16
- 239000002250 absorbent Substances 0.000 claims description 5
- 230000002745 absorbent Effects 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract 1
- 239000011882 ultra-fine particle Substances 0.000 abstract 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 22
- 238000009940 knitting Methods 0.000 description 15
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- -1 alkylene glycol Chemical compound 0.000 description 7
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- 239000002253 acid Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
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- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 230000001588 bifunctional effect Effects 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- CVBWTNHDKVVFMI-LBPRGKRZSA-N (2s)-1-[4-[2-[6-amino-8-[(6-bromo-1,3-benzodioxol-5-yl)sulfanyl]purin-9-yl]ethyl]piperidin-1-yl]-2-hydroxypropan-1-one Chemical compound C1CN(C(=O)[C@@H](O)C)CCC1CCN1C2=NC=NC(N)=C2N=C1SC(C(=C1)Br)=CC2=C1OCO2 CVBWTNHDKVVFMI-LBPRGKRZSA-N 0.000 description 1
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- ZRPKEUVFESZUKX-UHFFFAOYSA-N 2-(2-hydroxyethoxy)benzoic acid Chemical compound OCCOC1=CC=CC=C1C(O)=O ZRPKEUVFESZUKX-UHFFFAOYSA-N 0.000 description 1
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- CNGYZEMWVAWWOB-VAWYXSNFSA-N 5-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(e)-2-[4-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound N=1C(NC=2C=C(C(\C=C\C=3C(=CC(NC=4N=C(N=C(NC=5C=CC=CC=5)N=4)N(CCO)CCO)=CC=3)S(O)(=O)=O)=CC=2)S(O)(=O)=O)=NC(N(CCO)CCO)=NC=1NC1=CC=CC=C1 CNGYZEMWVAWWOB-VAWYXSNFSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 239000003230 hygroscopic agent Substances 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 239000005080 phosphorescent agent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- IBBQVGDGTMTZRA-UHFFFAOYSA-N sodium;2-sulfobenzene-1,3-dicarboxylic acid Chemical compound [Na].OC(=O)C1=CC=CC(C(O)=O)=C1S(O)(=O)=O IBBQVGDGTMTZRA-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Woven Fabrics (AREA)
Abstract
Description
本発明は、耐久性よく保温効果に優れ、しかも鮮明性に優れた保温性ポリエステル繊維および該ポリエステル繊維を含む布帛に関する。 The present invention relates to a heat-retaining polyester fiber excellent in durability and excellent in heat-retaining effect and also in sharpness, and a fabric containing the polyester fiber.
ポリエステル繊維は、強度、寸法安定性、イージーケアー性等多くの優れた特徴を備えているので、ポリエステル繊維からなる織編物は、その優れた特性により衣料用から産業用と広い範囲で用いられている。 Polyester fibers have many excellent features such as strength, dimensional stability, and easy care, so woven and knitted fabrics made of polyester fibers are used in a wide range of applications from clothing to industrial applications. Yes.
他方、ポリエステル繊維に保温性を付与するために、炭化系・窒化系セラミックス微粒子を繊維中に練りこんだ保温性ポリエステル繊維が知られている。しかしながら、かかる保温性ポリエステル繊維では、赤外線だけでなく、可視光線をも吸収されてしまい、鮮明性が損なわれて濃色品しか得られないという問題があった。 On the other hand, a heat-retaining polyester fiber in which carbonized and nitrided ceramic fine particles are kneaded into the fiber in order to impart heat retention to the polyester fiber is known. However, such a heat-retaining polyester fiber has a problem that not only infrared rays but also visible light is absorbed, and the sharpness is impaired and only a dark color product is obtained.
また、赤外線吸収剤を後加工により布帛に付着させることも提案されている（例えば、特許文献１）。しかしながら、かかる方法で得られた保温性布帛では、洗濯を繰り返すうちに布帛に付着した赤外線吸収剤が脱落して保温性が低下するという問題があった。
本発明は上記の背景に鑑みなされたものであり、その目的は、耐久性よく保温効果に優れ、しかも鮮明性に優れた保温性ポリエステル繊維および該ポリエステル繊維を含む布帛を提供することにある。 The present invention has been made in view of the above background, and an object of the present invention is to provide a heat-retaining polyester fiber having excellent durability and excellent heat-retaining effect, and a fabric including the polyester fiber.
本発明者らは上記の課題を達成するため鋭意検討した結果、ポリエステル繊維に金属酸化物系微粒子赤外線吸収剤を練りこむことにより、耐久性よく保温効果に優れ、しかも鮮明性に優れた保温性ポリエステル繊維が得られることを見出し、さらに鋭意検討を重ねることにより本発明を完成するに至った。 As a result of intensive studies to achieve the above-mentioned problems, the present inventors have kneaded a metal oxide-based fine particle infrared absorber into a polyester fiber, so that the heat retaining effect is excellent in durability and excellent in heat retention. The present inventors have found that a polyester fiber can be obtained, and have made further studies, and have completed the present invention.
かくして、本発明によれば「平均粒径が０．５μｍ以下の金属酸化物系微粒子赤外線吸収剤がポリエステル繊維中に、繊維重量に対して０．１〜２．０重量％練りこまれてなることを特徴とする保温性ポリエステル繊維。」が提供される。 Thus, according to the present invention, “the metal oxide fine particle infrared absorber having an average particle size of 0.5 μm or less is kneaded into the polyester fiber in an amount of 0.1 to 2.0% by weight based on the fiber weight. A heat-retaining polyester fiber characterized in that "is provided.
その際、前記の金属酸化物系微粒子赤外線吸収剤が、波長７００〜２０００ｎｍの赤外線領域で１０％以上の吸収率を有することが好ましい。また、かかる金属酸化物系微粒子赤外線吸収剤が、温度２７℃における熱伝導率で１０Ｗ／ｍ・Ｋ以上であることが好ましい。 In that case, it is preferable that the said metal oxide type fine particle infrared absorber has an absorptivity of 10% or more in the infrared region of wavelength 700-2000 nm. Moreover, it is preferable that this metal oxide type | system | group fine particle infrared absorber is 10 W / m * K or more by the heat conductivity in the temperature of 27 degreeC.
本発明の保温性ポリエステル繊維において、単繊維繊度が０．１〜５．０ｄｔｅｘの範囲内であることが好ましい。かかる単繊維の断面形状としては異型であることが好ましく、特に２箇所以上のくびれ部を有する断面扁平度２〜６の扁平断面であることが好ましい。 In the heat retaining polyester fiber of the present invention, the single fiber fineness is preferably in the range of 0.1 to 5.0 dtex. The cross-sectional shape of such a single fiber is preferably an irregular shape, and in particular, it is preferably a flat cross-section having a cross-sectional flatness of 2 to 6 having two or more constricted portions.
また、本発明によれば、前記の保温性ポリエステル繊維を含んでなる布帛が提供される。 Moreover, according to this invention, the fabric which contains the said heat retention polyester fiber is provided.
本発明によれば、耐久性よく保温効果に優れ、しかも鮮明性に優れた保温性ポリエステル繊維および該ポリエステル繊維を含む布帛が得られる。 ADVANTAGE OF THE INVENTION According to this invention, the heat retention polyester fiber excellent in durability and the heat retention effect and excellent in the clearness, and the fabric containing this polyester fiber are obtained.
以下、本発明の実施の形態について詳細に説明する。
まず、本発明の保温性ポリエステルを形成するポリエステルとしては、テレフタル酸を主たる酸成分とし、炭素数２〜６のアルキレングリコール、すなわちエチレングリコール、トリメチレングリコール、テトラメチレングリコール、ペンタメチレングリコール、ヘキサメチレングリコールからなる群より選ばれた少なくとも１種のグリコール、特に好ましくはエ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が例示される。
かかるポリエステルには、必要に応じて少量（通常３０モル％以下）の共重合成分を有していてもよい。
Hereinafter, embodiments of the present invention will be described in detail.
First, as the polyester forming the heat-retaining polyester of the present invention, terephthalic acid is the main acid component, and alkylene glycol having 2 to 6 carbon atoms, that is, ethylene glycol, trimethylene glycol, tetramethylene glycol, pentamethylene glycol, hexamethylene. Examples include polyesters having at least one glycol selected from the group consisting of glycols, particularly preferably ethylene glycol as the main glycol component.
Such a polyester may have a small amount (usually 30 mol% or less) of a copolymer component as required.
その際、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、ナフタリンジカルボン酸、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、５−ナトリウムスルホイソフタル酸、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ごとき芳香族、脂肪族、脂環族の二官能性カルボン酸をあげることができる。また、上記グリコール以外のジオール化合物としては、例えばシクロヘキサン−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のごとき脂肪族、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あげることができる。 In this case, examples of the bifunctional carboxylic acid other than terephthalic acid used include isophthalic acid, naphthalene dicarboxylic acid, diphenyldicarboxylic acid, diphenoxyethanedicarboxylic acid, β-hydroxyethoxybenzoic acid, P-oxybenzoic acid, 5 -Aromatic, aliphatic, and alicyclic bifunctional carboxylic acids such as sodium sulfoisophthalic acid, adipic acid, sebacic acid, and 1,4-cyclohexanedicarboxylic acid. Examples of the diol compound other than the glycol include aliphatic, alicyclic and aromatic diol compounds such as cyclohexane-1,4-dimethanol, neopentyl glycol, bisphenol A and bisphenol S, and polyoxyalkylene glycol. Can give.
かかるポリエステルは任意の方法によって合成したものでよい。例えばポリエチレンテレフタレートの場合について説明すると、テレフタル酸とエチレングリコールとを直接エステル化反応させるか、テレフタル酸ジメチルのごときテレフタル酸の低級アルキルエステルとエチレングリコールとをエステル交換反応させるかまたはテレフタル酸とエチレンオキサイドとを反応させるかしてテレフタル酸のグリコールエステルおよび／またはその低重合体を生成させる第１段階の反応と、第１段階の反応生成物を減圧下加熱して所望の重合度になるまで重縮合反応させる第２段階の反応によって製造されたものでよい。 Such polyester may be synthesized by any method. For example, in the case of polyethylene terephthalate, terephthalic acid and ethylene glycol are directly esterified, or a lower alkyl ester of terephthalic acid such as dimethyl terephthalate is transesterified with ethylene glycol, or terephthalic acid and ethylene oxide are used. And the first stage reaction to produce a terephthalic acid glycol ester and / or its low polymer, and the first stage reaction product is heated under reduced pressure until the desired degree of polymerization is reached. It may be produced by a second stage reaction for condensation reaction.
本発明の保温性ポリエステル繊維において、平均粒径が０．５μｍ以下（好ましくは０．００１〜０．１μｍ）の金属酸化物系微粒子赤外線吸収剤がポリエステル中にポリエステル重量に対し０．１〜２．０重量％（好ましくは０．２〜１．０重量％）含まれることが肝要である。該微粒子の平均粒径が０．５μｍよりも大きいと、ポリエステル繊維を紡糸する工程で断糸が発生したり、フィルターの目詰まりが発生するおそれがあり好ましくない。また、金属酸化物系微粒子赤外線吸収剤の含有量が０．１重量％よりも小さいと、十分な赤外線吸収性能が得られず好ましくない。逆に、金属酸化物系微粒子赤外線吸収剤の含有量が２．０重量％よりも大きいと、ポリエステル繊維を紡糸する際、糸切れ等の問題が発生するおそれがあり好ましくない。 In the heat-retaining polyester fiber of the present invention, the metal oxide fine particle infrared absorber having an average particle size of 0.5 μm or less (preferably 0.001 to 0.1 μm) is 0.1 to 2 with respect to the polyester weight in the polyester. It is important that the content is 0.0 wt% (preferably 0.2 to 1.0 wt%). If the average particle size of the fine particles is larger than 0.5 μm, it is not preferable because yarn breakage may occur in the process of spinning the polyester fiber, or filter clogging may occur. On the other hand, if the content of the metal oxide fine particle infrared absorber is less than 0.1% by weight, sufficient infrared absorption performance cannot be obtained, which is not preferable. On the other hand, if the content of the metal oxide-based fine particle infrared absorber is larger than 2.0% by weight, problems such as yarn breakage may occur when spinning polyester fibers, which is not preferable.
前記の金属酸化物系微粒子赤外線吸収剤としては、波長７００〜２０００ｎｍの赤外線領域で１０％以上の吸収率を有するものであることが好ましい。さらには、、温度２７℃における熱伝導率が１０Ｗ／ｍ・Ｋ以上（より好ましくは２０Ｗ／ｍ・Ｋ以上）であるものが好ましい。かかる熱伝導率を有することにより、赤外線吸収剤が太陽光等の赤外線により暖められた際、極めて迅速にポリエステル繊維が暖められ、優れた保温性が得られ易い。具体的には、アンチモンドープ酸化錫（ＡＴＯ）やスズドープ酸化インジューム（ＩＴＯ）などが好ましく例示される。かかる金属酸化物系微粒子は可視光線を透過する透明な材料でもあり、鮮明性が損なわれることがなく好ましい。 The metal oxide-based fine particle infrared absorber preferably has an absorptance of 10% or more in an infrared region having a wavelength of 700 to 2000 nm. Furthermore, the thermal conductivity at a temperature of 27 ° C. is preferably 10 W / m · K or more (more preferably 20 W / m · K or more). By having such thermal conductivity, when the infrared absorbent is warmed by infrared rays such as sunlight, the polyester fiber is warmed very quickly, and excellent heat retention is easily obtained. Specifically, antimony-doped tin oxide (ATO), tin-doped indium oxide (ITO) and the like are preferably exemplified. Such metal oxide-based fine particles are also a transparent material that transmits visible light, and are preferable since the sharpness is not impaired.
なお、本発明の保温性ポリエステルを形成するポリエステル中には、前記の赤外線吸収剤以外に、本発明の目的を損なわない範囲内で必要に応じて、微細孔形成剤、カチオン可染剤、着色防止剤、熱安定剤、難燃剤、蛍光増白剤、艶消し剤、着色剤、帯電防止剤、吸湿剤、抗菌剤、マイナスイオン発生剤等を１種又は２種以上を添加してもよい。 In addition, in the polyester forming the heat-retaining polyester of the present invention, in addition to the above-described infrared absorber, a fine pore forming agent, a cationic dyeing agent, a coloring, within the range not impairing the object of the present invention. One or more of an inhibitor, a heat stabilizer, a flame retardant, a fluorescent brightener, a matting agent, a colorant, an antistatic agent, a hygroscopic agent, an antibacterial agent, and a negative ion generator may be added. .
本発明の保温性ポリエステル繊維は、例えば以下の方法により製造することができる。すなわち、固有粘度が０．５５〜０．８０の前記ポリエステルに前記の赤外線吸収剤をポリエステル重量に対して０．１〜２．０重量％ブレンドしたチップを、常法により紡糸し、２０００〜４３００ｍ／分の速度で未延伸糸（中間配向糸）として一旦巻き取り、延伸してもよいし、巻き取る前に延伸してもよい。また、中間配向糸を、１８０〜２００℃に加熱されたヒーターを用いて、弛緩状態（オーバーフィード１．５〜１０％）で熱処理することにより、加熱下で自己伸長性を有する未延伸糸（中間配向糸）としてもよい。 The heat retaining polyester fiber of the present invention can be produced, for example, by the following method. That is, a chip obtained by blending 0.1 to 2.0% by weight of the infrared absorber with the polyester having an intrinsic viscosity of 0.55 to 0.80 with respect to the weight of the polyester was spun by a conventional method, and the speed was 2000 to 4300 m. It may be once wound and stretched as an unstretched yarn (intermediate oriented yarn) at a speed of / min, or may be stretched before winding. In addition, the intermediate oriented yarn is heat-treated in a relaxed state (overfeed 1.5 to 10%) using a heater heated to 180 to 200 ° C., so that an undrawn yarn having self-extensibility under heating ( Intermediately oriented yarn).
本発明の保温性ポリエステル繊維において、単繊維繊度が０．１〜５．０ｄｔｅｘの範囲内であることが好ましい。また、繊維の形態としては、短繊維でもよいし長繊維（マルチフィラメント）でもよい。なかでも、織編物とした場合の組織間空隙を小さくして赤外線の透過量を少なくする上で長繊維が好ましい。なお、かかる長繊維の総繊度、フィラメント数としては、総繊度３３〜３３０ｄｔｅｘ、フィラメント数１０〜１００の範囲が好ましい。また、単繊維の断面形状は特に限定されず通常の丸断面でもよいし、扁平断面、くびれつき扁平断面、三角断面、四角断面、３〜１４葉断面、中空断面などの異型断面でもよい。特に、織編物とした場合の組織間空隙を小さくする上で異型断面が好ましい。特に、図１に模式的に示すような、２箇所以上のくびれ部を有する断面扁平度２〜６の扁平断面を採用すると、織編物とした場合の組織間空隙を小さくすることができ、かつソフトな風合いが得られ好ましい。なお、断面扁平度とは、図１に示す、長辺の長さ（Ｂ）と短辺の長さ（Ｃ１）との比（Ｂ／Ｃ１）である。また、くびれ部とは図１に模式的に示すように、短辺の長さが短くなっている部分のことである。かかるくびれ部において、凹部の深さとしては、短辺の長さの最大値と最小値の比（Ｃ１／Ｃ２）で、１．０５以上（好ましくは１．１以上）となる深さであることが好ましい。なお、図１は、くびれ部が３個所の場合を例示するものである。 In the heat retaining polyester fiber of the present invention, the single fiber fineness is preferably in the range of 0.1 to 5.0 dtex. Moreover, as a form of a fiber, a short fiber may be sufficient and a long fiber (multifilament) may be sufficient. Among these, long fibers are preferable in order to reduce the amount of infrared transmission by reducing the inter-structure voids when a woven or knitted fabric is used. The total fineness and the number of filaments of such long fibers are preferably in the range of a total fineness of 33 to 330 dtex and a number of filaments of 10 to 100. In addition, the cross-sectional shape of the single fiber is not particularly limited, and may be a normal round cross section, or a flat cross section, a constricted flat cross section, a triangular cross section, a square cross section, a 3-14 leaf cross section, a hollow cross section, and the like. In particular, the modified cross section is preferable in order to reduce the inter-structure voids in the case of a woven or knitted fabric. In particular, when a flat cross section having a cross-sectional flatness of 2 to 6 having two or more constricted portions as schematically shown in FIG. 1 is adopted, the inter-tissue gap in the case of a woven or knitted fabric can be reduced, and A soft texture is obtained, which is preferable. The cross-sectional flatness is the ratio (B / C1) between the length (B) of the long side and the length (C1) of the short side shown in FIG. Further, the constricted portion is a portion where the length of the short side is shortened as schematically shown in FIG. In such a constricted portion, the depth of the concave portion is a depth that is 1.05 or more (preferably 1.1 or more) as a ratio (C1 / C2) of the maximum value and the minimum value of the length of the short side. It is preferable. FIG. 1 illustrates the case where there are three constricted portions.
次に、本発明の布帛は、前記の保温性ポリエステル繊維を含む布帛である。ここで、該布帛に、前記の保温性ポリエステル繊維が４０重量％以上（より好ましくは６０重量％以上、特に好ましくは１００重量％）含まれることが好ましい。 Next, the fabric of this invention is a fabric containing the said heat retention polyester fiber. Here, the fabric preferably contains 40% by weight or more (more preferably 60% by weight or more, particularly preferably 100% by weight) of the above heat-retaining polyester fiber.
また、布帛の織編組織は特に限定されず、通常の方法で製編織されたものでよい。例えば、織物の織組織としては、平織、綾織、朱子織等の三原組織、変化組織、たて二重織、よこ二重織等の片二重組織、たてビロードなどが例示される。編物の種類は、よこ編物であってもよいしたて編物であってもよい。よこ編組織としては、平編、ゴム編、両面編、パール編、タック編、浮き編、片畔編、レース編、添え毛編等が好ましく例示され、たて編組織としては、シングルデンビー編、シングルアトラス編、ダブルコード編、ハーフトリコット編、裏毛編、ジャガード編等が例示される。層数も単層でもよいし、２層以上の多層でもよい。 In addition, the woven or knitted structure of the fabric is not particularly limited, and may be woven or knitted by a normal method. For example, examples of the woven structure of the woven fabric include a three-layer structure such as plain weave, twill weave and satin weave, a change structure, a single double structure such as a vertical double weave and a horizontal double weave, and a vertical velvet. The type of knitted fabric may be a weft knitted fabric or a newly knitted fabric. Preferred examples of the weft knitting structure include flat knitting, rubber knitting, double-sided knitting, pearl knitting, tuck knitting, float knitting, one-sided knitting, lace knitting, bristle knitting, and the like. Single atlas knitting, double cord knitting, half tricot knitting, back hair knitting, jacquard knitting and the like are exemplified. The number of layers may be a single layer or a multilayer of two or more layers.
かかる布帛には、本発明の目的が損なわれない範囲内であれば、常法の染色仕上げ加工、撥水加工、起毛加工、紫外線遮蔽あるいは抗菌剤、消臭剤、防虫剤、蓄光剤、再帰反射剤、マイナスイオン発生剤等の機能を付与する各種加工を付加適用してもよい。 As long as the purpose of the present invention is not impaired, such a fabric has a conventional dye finish, water repellent finish, brushed finish, ultraviolet shielding or antibacterial agent, deodorant, insect repellent, phosphorescent agent, recursive agent. Various processings that impart functions such as a reflective agent and a negative ion generator may be additionally applied.
本発明の保温性ポリエステル繊維には、前記の金属酸化物系微粒子赤外線吸収剤が練りこまれているので、本発明の保温性ポリエステル繊維を用いてなる布帛は、耐久性よく保温効果に優れ、しかも鮮明性に優れる。 Since the metal oxide type fine particle infrared absorbent is kneaded into the heat retaining polyester fiber of the present invention, the fabric using the heat retaining polyester fiber of the present invention is excellent in the heat retaining effect with good durability, Moreover, it has excellent clarity.
次に本発明の実施例及び比較例を詳述するが、本発明はこれらによって限定されるものではない。なお、実施例中の各測定項目は下記の方法で測定した。
＜固有粘度＞
オルソクロロフェノールを溶媒として使用し３５℃で測定した。
＜明度指数Ｌ＞
鮮明性の代用特性として、明度指数ＬをＪＩＳ Ｚ ８７２９（Ｌ＊ａ＊ｂ＊表色系およびＬ＊ｕ＊ｖ＊表色系による物体色の表示方法）に示すＬ＊ａ＊ｂ＊表示系で表示した。
＜赤外線吸収率＞
島津製作所製分光光度計ＭＰＣ−３１００で、１６００ｎｍにおける赤外線吸収率を測定した。
＜保温性＞
温度２０℃、湿度６０％ＲＨの恒温恒湿環境下で、エネルギー源として２００Ｗレフランプ光源を用い、高さ５０ｃｍから照射し、１８０秒後の布帛の裏面の温度を熱電対で測定した。かかる温度が３０℃以上を良好とする。
Next, although the Example and comparative example of this invention are explained in full detail, this invention is not limited by these. In addition, each measurement item in an Example was measured with the following method.
<Intrinsic viscosity>
Measurement was carried out at 35 ° C. using orthochlorophenol as a solvent.
<Lightness index L>
L * a * b * display showing brightness index L as JIS Z 8729 (display method of object color by L * a * b * color system and L * u * v * color system) as a substitute characteristic of sharpness Displayed in the system.
<Infrared absorption factor>
The infrared absorptivity at 1600 nm was measured with a spectrophotometer MPC-3100 manufactured by Shimadzu Corporation.
<Heat retention>
In a constant temperature and humidity environment with a temperature of 20 ° C. and a humidity of 60% RH, a 200 W reflex lamp light source was used as an energy source, irradiation was performed from a height of 50 cm, and the temperature of the back surface of the fabric after 180 seconds was measured with a thermocouple. Such temperature is preferably 30 ° C. or higher.
［実施例１］
通常のポリエチレンテレフタレートに、熱伝導率５０Ｗ／ｍ・Ｋ、微粒子径５０ｎｍのＡＴＯをポリエチレンテレフタレート重量に対して０．５重量％含有させたものを常法により紡糸、延伸して、保温性ポリエステル繊維としてポリエステルマルチフィラメント（総繊度８０ｄｔｅｘ／３６フィラメント）を得た。
次いで、該保温性ポリエステル繊維を無撚で、経糸および緯糸に用いて平組織織物を製織した後、常法の染色仕上げ加工を施した。得られた織物の評価結果を表１に示す。
[Example 1]
Polyethylene terephthalate containing 0.5% by weight of ATO having a thermal conductivity of 50 W / m · K and a fine particle diameter of 50 nm based on the weight of polyethylene terephthalate is spun and drawn by a conventional method, and heat-retaining polyester fiber As a result, a polyester multifilament (total fineness: 80 dtex / 36 filament) was obtained.
Next, the heat-retaining polyester fiber was untwisted and used for warp and weft to weave a plain fabric, and then subjected to a usual dyeing finish. Table 1 shows the evaluation results of the obtained woven fabric.
［実施例２〜４、比較例１〜３］
赤外線吸収剤の種類および量を表１に示すとおり変更すること以外は実施例１と同様にした。評価結果を表１に示す。
[Examples 2 to 4, Comparative Examples 1 to 3]
The procedure was the same as in Example 1 except that the type and amount of the infrared absorber were changed as shown in Table 1. The evaluation results are shown in Table 1.
本発明によれば、耐久性よく保温効果に優れ、しかも鮮明性に優れた保温性ポリエステル繊維および該ポリエステル繊維を含む布帛が得られる。かかる布帛は、カーテン、紳士・婦人のファッション用途全般、スポーツ衣料、中東諸国の民族衣装、帽子、日傘などの用途に使用でき、その工業的価値は極めて大である。 ADVANTAGE OF THE INVENTION According to this invention, the heat retention polyester fiber excellent in durability and the heat retention effect and excellent in the clearness, and the fabric containing this polyester fiber are obtained. Such fabrics can be used for applications such as curtains, general fashion for men and women, sports clothing, national costumes in the Middle Eastern countries, hats, parasols, etc., and their industrial value is extremely large.
１ くびれ部 1 Constriction
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