WO2022112993A1 - ポリウレタン弾性糸 - Google Patents
ポリウレタン弾性糸 Download PDFInfo
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- WO2022112993A1 WO2022112993A1 PCT/IB2021/060973 IB2021060973W WO2022112993A1 WO 2022112993 A1 WO2022112993 A1 WO 2022112993A1 IB 2021060973 W IB2021060973 W IB 2021060973W WO 2022112993 A1 WO2022112993 A1 WO 2022112993A1
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- WIPO (PCT)
- Prior art keywords
- yarn
- mass
- polyurethane
- elastic yarn
- polyurethane elastic
- Prior art date
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- XCIXKGXIYUWCLL-UHFFFAOYSA-N cyclopentanol Chemical compound OC1CCCC1 XCIXKGXIYUWCLL-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- AYOHIQLKSOJJQH-UHFFFAOYSA-N dibutyltin Chemical compound CCCC[Sn]CCCC AYOHIQLKSOJJQH-UHFFFAOYSA-N 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000012772 electrical insulation material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical compound CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- QKYWADPCTHTJHQ-UHFFFAOYSA-N n,2-dimethylpropan-1-amine Chemical compound CNCC(C)C QKYWADPCTHTJHQ-UHFFFAOYSA-N 0.000 description 1
- QSOCODZVGPDGDA-UHFFFAOYSA-N n,3-dimethylbutan-1-amine Chemical compound CNCCC(C)C QSOCODZVGPDGDA-UHFFFAOYSA-N 0.000 description 1
- JACMPVXHEARCBO-UHFFFAOYSA-N n-pentylpentan-1-amine Chemical compound CCCCCNCCCCC JACMPVXHEARCBO-UHFFFAOYSA-N 0.000 description 1
- XZZXKVYTWCYOQX-UHFFFAOYSA-J octanoate;tin(4+) Chemical compound [Sn+4].CCCCCCCC([O-])=O.CCCCCCCC([O-])=O.CCCCCCCC([O-])=O.CCCCCCCC([O-])=O XZZXKVYTWCYOQX-UHFFFAOYSA-J 0.000 description 1
- UZGLIIJVICEWHF-UHFFFAOYSA-N octogen Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)CN([N+]([O-])=O)C1 UZGLIIJVICEWHF-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 150000005691 triesters Chemical class 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/70—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/04—Dry spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
-
- 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
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/28—Cellulose esters or ethers, e.g. cellulose acetate
-
- 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
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
-
- 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
- D10B2401/061—Load-responsive characteristics elastic
-
- 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
- D10B2401/063—Load-responsive characteristics high strength
Definitions
- the present invention is a polyurethane having high thermal adhesive strength over a wide temperature range and excellent unresolvability while maintaining stretch characteristics (permanent strain rate and elongation). It is about elastic yarn.
- Elastic fibers are widely used for elastic clothing applications such as legwear, innerwear, and sportswear, and for industrial materials because of their excellent elastic properties.
- such elastic fibers When used in the general clothing field, such elastic fibers are usually cross-woven and then the fabric is cut, sewn, finished, and the like to become a product.
- the fabric When the fabric is cross-woven using polyurethane elastic fibers, the edges are easily frayed when it is cut and sewn, and the frayed edges cause the polyurethane elastic fibers to come off from the knitted fabric structure of the fabric. , There arises a problem that the elasticity of the fabric in that part is reduced. In ordinary products, some kind of trimming is done to prevent the edges from fraying after cutting.
- a method for manufacturing a garment product having a so-called uncut opening, in which the line of underwear does not appear on the outerwear by not trimming or sewing the part, is being studied.
- Patent Document 1 A garment made of a fabric that does not need to be cleaned has been proposed (see, for example, Patent Document 1).
- low melting point polyurethane elastic yarn is used as the heat-sealing elastic yarn, and other yarns are knitted by plating knitting and heat-set processed knitted fabric with anti-fray function is used. Clothing with uncut openings has been proposed.
- Patent Document 2 polyurethane elastic yarn containing thermoplastic polyurethane as a heat-sealing elastic yarn (see Patent Document 3) and polyurethane elastic yarn containing a heat-bonding component (see Patent Documents 4 and 5). ) has been proposed.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2 0 0 3 — 1 4 F 6 1 8
- Patent Document 2 Japanese Patent Application Laid-Open No. 2 0 0 5 — 1 1 3 3 4 9
- Patent Document 3 Japanese Patent Application Laid-Open No. 2 0 0 Fu 1 7 7 3 5 9
- Patent Document 4 Japanese Patent Application Laid-Open No. 2 0 1 0 — 1 5 0 6
- Patent Document 5 Japanese Patent Application Laid-Open No. 2 0 0 9 --1 4 4 2 6 Disclosure of invention]
- PROBLEM TO BE SOLVED To prevent fraying of edges structurally cut by the design of the fabric in the technique of Patent Document 1, so that the fabric itself becomes thick, and the fabric itself becomes thick. There is a problem that the fabric obtained by the design is limited and the use of clothing is limited.
- the low melting point polyurethane elastic yarn molds the fabric or product. ⁇ 0202/112993 ⁇ (: 1'2021 / 060973) The recovery of the fabric will be reduced when it is processed under high temperature conditions because the physical properties are greatly deteriorated due to the heat in the dyeing process. Furthermore, when subjected to stricter thermal processing conditions, the polyurethane elastic yarn breaks. Therefore, there is a problem that the processing conditions of products using this fabric are thermally restricted.
- An object of the present invention is to provide a polyurethane elastic yarn having excellent thermal adhesiveness and unwinding property as well as yarn-binding property and stretchability, and a method for producing the same.
- the polyurethane yarn of the present invention employs any of the following means.
- Polyurethane elastic yarn whose main constituents are polymer diol and polyurethane, which is a diisosocyanate, whose main starting material is polyurethane elastic yarn containing the following three components (3) to ( ⁇ ).
- Polyurethane elastic yarn that is made by containing a thermoplastic polyurethane elastomer and rosin and / or a derivative thereof and a cellulose ester and / or a derivative thereof in a polyurethane yarn knot stock solution starting from a polymer diol and diisosianate. Manufacturing method.
- a polyurethane elastic yarn having an excellent unwinding property in a wound yarn can be obtained in addition to being able to give a fabric having excellent elasticity and excellent thermal adhesiveness. can get. Therefore, the fabric using such polyurethane elastic yarn has a higher degree of freedom in the temperature range during processing, and is excellent in appearance quality and wearing feeling.
- the polyurethane elastic yarn of the present invention since the polyurethane elastic yarn of the present invention has very good unwinding property from the winding body, it is possible to suppress yarn breakage during knitting and to withstand unwinding at a high speed. Therefore, it is also excellent in productivity.
- the polyurethane which is the main constituent of the polyurethane elastic yarn of the present invention may be any chain extender or end sealant as long as it is a polyurethane whose starting material is a polymer diol or diisosianate, and is particularly limited. It's not something.
- the main constituents of the polyurethane elastic yarn are the components contained in the polyurethane elastic yarn in an amount of more than 50%, and the polymer diol and the diisosocyanate are used as starting materials to obtain the polyurethane polymer.
- the compounding method is not particularly limited.
- a polyurethane urea composed of a polymer diol, a diisosocyanate, and a chain extender may be a polyurethane urea composed of a low molecular weight diamine, or a polyurethane composed of a polymer diol, a diisosocyanate, and a low molecular weight diol.
- ⁇ ⁇ 02022/112993 ⁇ (: 1'2021 / 060973 Urethane may be used.
- a polyurethane urea using a compound having a hydroxyl group and an amino group in the molecule as a chain extender may be used.
- a polyfunctional glycol or isocyanate having three or more functionalities is also preferable to use as long as the effect of the present invention is not impaired.
- a polymer diol, a diisocyanate and a low molecular weight diol are used.
- Polyurethane made of polyurethane is preferable.
- a typical structural unit constituting the polyurethane elastic yarn of the present invention will be described.
- the polymer diol used as a starting material for polyurethane in the present invention is a polyether-based or polyester-based geo. _Le , Polyca_Bone_Togeio_le , etc. are preferable.
- polyether diols are preferably used.
- the polyether diol it is preferable.
- Polyurethanes having side chains on both sides, random copolymers in which ethylene oxide and / or propylene oxide are irregularly arranged, and the like, which are disclosed in the above, are preferably used. Seeds or two or more kinds may be mixed or copolymerized. Also, from the viewpoint of obtaining abrasion resistance and light resistance as a polyurethane elastic yarn, butylene adibate, polycaprolactondiol, JP-A-6. 1 --2 6 6 1 Polyurethane-based diols such as polyester polyols with side chains disclosed in Gazette No. 2 and Polyca_Bone_disclosed in Gazette No. 2-8 9 5 1 6 etc. Togeol , etc.
- the molecular weight of the polymer diol used in the present invention is preferably one having a number average molecular weight of 100 or more and 800 or less, preferably 1 More preferably, it is 80 0 or more and 6 0 0 0 or less.
- the diisocyanates used in the present invention are diphenylmethane diisocyanate (hereinafter abbreviated as IV!
- trilylene isocyanate 1, 4 — diisocyanate benzene, xylylene diisocyanate.
- Aromatic diisocyanates such as Nate, 2, 6 — Naphtharange Isocyanate are particularly suitable for synthesizing heat-resistant and strong polyurethanes.
- alicyclic diisocyanates for example, methylenebis (cyclohexylisocyanate — ⁇ ), isophorone diisocyanate, methylcyclohexane 2, 4 —diisocyanate, methylcyclohexane 2, 6 —diisocyanate, cyclohexane 1, 4 — Diisocyanate
- Aliphatic diisosianates can be effectively used especially for suppressing yellowing of polyurethane yarns. These diisosianates may be used alone or in combination of two or more.
- a low molecular weight diamine and a low molecular weight diol it is preferable to use at least one of a low molecular weight diamine and a low molecular weight diol. It may be a molecule having a hydroxyl group and an amino group such as ethanolamine.
- Preferred low molecular weight diamines include, for example, ethylenediamine, 1, 2 — propanediamine, 1, 3 — propanediamine, hexamethylenediamine, ⁇ -fenylenediamine, [ 3 _xylylenediamine, -xylylenediamine, [3]. , ⁇ '-Methylenediamineline, 1,
- butanediol, bishydroxyetoxybenzene, bishydroxyethylene terephthalate, 1 — methyl 1, 2 — ethanjiol, etc. are typical. It is preferable that one or more of these are used. Particularly preferred are ethylene glycol, 1,3 propanediol and 1,4 butanediol. By using these, it is possible to obtain yarn with higher heat resistance and higher strength for diol-stretched polyurethane. Further, the molecular weight of the polyurethane elastic yarn of the present invention should be in the range of 300 0 0 0 or more and 150 0 0 0 or less as a number average molecular weight from the viewpoint of obtaining fibers having high durability and strength. preferable.
- the polyurethane elastic yarn having the above basic structure contains a thermoplastic polyurethane ester, rosin and / or a derivative thereof, a cellulose ester and / or a derivative thereof.
- a thermoplastic polyurethane elastomer and rosin and / or a derivative thereof and a cellulose ester and / or a derivative thereof By simultaneously containing a thermoplastic polyurethane elastomer and rosin and / or a derivative thereof and a cellulose ester and / or a derivative thereof, excellent thermal adhesive strength and unwinding property are exhibited without impairing the yarn-binding property and stretchability. Can be done.
- the thermoplastic polyurethane elastomer in the present invention preferably has a melting point of ⁇ to 160 ° 0.
- the thermoplastic polyurethane elastomer of the present invention is preferably an adhesive type, an ether type, a caprolactone type, or a polycarbonate type, and among them, an ether type thermoplastic polyurethane elastomer has a good connection. It is preferable in terms of threadability and thermal adhesion.
- thermoplastic polyurethane elastomer in the fiber is 0.3% by mass or more and 30% by mass or less from the viewpoint of obtaining good yarn winding property, well-balanced mechanical characteristics, thermal adhesiveness, and heat resistance. It is preferable to make it within the range. That is, if the proportion of thermoplastic polyurethane elastomer in the polyurethane elastic yarn is less than 0.3% by mass, sufficient thermal adhesiveness cannot be obtained, and if it exceeds 30% by mass, the yarn-binding property and basic physical properties deteriorate. It is not preferable because it will end up.
- thermoplastic polyurethane elastomer to the polyurethane elastic yarn in an amount of 0.3 to 30% by mass is 1 ⁇ 1, 1 ⁇ 1 of the polyurethane before yarn binding — dimethylformamide, 1 ⁇ 1, 1 ⁇ 1 —
- the above-mentioned thermoplastic polyurethane elastomer may be added to a yarn yarn stock solution such as dimethylacetoamide, and the mixture may be stirred and mixed so as to be dispersed or dissolved evenly.
- thermoplastic polyuretan elastomer may be uniformly dispersed or dissolved in the same solvent in advance, and then mixed with the polyurethane solution. If the thermoplastic polyurethane elastomer does not dissolve in a solvent such as N1, 1 ⁇ 1 _dimethylformamide, 1 ⁇ 1,1 ⁇ 1 _dimethylacetoamide, the average particle size is 10 microns or less. Therefore, it can be dispersed in a polyurethane yarn undiluted solution. Further, in the elastic yarn of the present invention, rosin and / or a derivative thereof are contained together with the thermoplastic polyurethane elastomer.
- the rosin in the present invention is mainly composed of a mixture of abietic acid having three ring structures, a conjugated double bond, and a carboxyl group and an isomer thereof, and is classified as gum rosin or rosin according to the collection method.
- Rusin rosin, wood rosin ⁇ ⁇ 02022/112993 ⁇ (: 1'2021 / 060973)
- rosin derivatives include, for example, hydrogenated rosin, disproportionated rosin, marinated rosin, acrylicized rosin, rosin ester, and rosin. Examples thereof include contained diols, etc.
- such rosin and / or its derivative may be used alone or in combination of two or more kinds, and the rosin and / or its derivative may be processed.
- the thermal softening point is ⁇ ° ⁇ or more and 150 ° 0 or less.
- the thermal softening point of rosin and / or its derivative in the thread To measure the rosin, first immerse the rosin in a solvent (trosin / aceton, volume ratio 1/1) for 3 hours, then remove the rosin. Then steam the solvent at room temperature. The rosin and / or its derivative is precipitated.
- the softening point of the precipitated rosin and / or its inducer is determined by using the ring-and-ball method according to ⁇ ⁇ 59 0 2 (1966). Measure. That is, dissolve rosin and / or its derivative in an evaporative dish at the lowest possible temperature, fill the ring with a suitable temperature, allow it to cool, and then use a slightly heated sword to squeeze the top of the ring. Cut out the raised part from the including flat surface. Next, fit the ring filled with the above-mentioned tackifying resin into the predetermined hole of the support and put it in a glass container (diameter 8 height 12 or more).
- the temperature is raised at 5.0 ⁇ 0.5 ° 0 per minute, and the temperature at which it softens and comes into contact with the bottom plate is taken as the softening point.
- the content of rosin and / or its derivative in polyurethane elastic yarn is 0.1% by mass or more and 10% by mass or less from the viewpoint of obtaining good yarn-forming property, well-balanced mechanical characteristics, thermal adhesiveness, and heat resistance.
- the range is preferable, and from the viewpoint of obtaining better heat adhesion and heat resistance, 0.1% by mass or more and 5% by mass or less are more preferable. It is also preferable to test these contents in advance according to the intended use and determine them as appropriate.
- the rosin and / or its derivative used in the present invention is used from the viewpoint of obtaining a polyuretan yarn having appropriate transparency and preventing the yarn from being discolored due to heat or the like in the yarn binding process. 4 0 0 Hazen color or less is preferable.
- the polyurethane elastic yarn of the present invention contains a cellulose ester and / or a derivative thereof. By containing a cellulose ester and / or an inducer thereof in the polyurethane elastic yarn, the polyurethane elastic yarn has excellent thermal adhesiveness and excellent unwinding property.
- the cellulose ester used in the present invention is a compound in which at least one of the three hydroxyl groups of cellulose is esterified with an acid, and is an ester with nitrate, acetic acid, propionic acid, fatty acid, other higher fatty acids, or the above-mentioned.
- acids in the above mixed esters using two or more mixed acids are preferred.
- compounds esterified with a mixed acid containing an organic acid having 2 or more and 22 or less carbon atoms are more preferable, for example, derived from cellulose and acetic acid.
- Cellulose acetate Cellulosic acetate derived from cellulose and acetic acid and butyric acid, Cellulose acetate obtained from cellulose and acetic acid and propionic acid, and Acidic acid called Cellulose acetate plastic. Molding with the hydroxyl equivalent adjusted to contain some plastics for molding with residual hydroxyls, as well as adipinoic acid-based plasticizers and phthalic acid-based plasticizers in arbitrary proportions, and the thermal softening point and melt viscosity adjusted appropriately. Plastics for use can also be preferably used.
- the content of the cellulose ester and / or its derivative is in the range of 0.5% by mass or more and 10% by mass or less from the viewpoint of obtaining good yarn-forming property, well-balanced mechanical property and heat resistance.
- the decrease in the melting point on the high temperature side of the polyurethane yarn is small.
- thermal adhesion ⁇ ⁇ 02022/112993 Ester (: 1'2021 / 060973 From the viewpoint of unresolvability, it is more preferable to use 0.5% by mass or more and 10% by mass or less. It is preferable to test and determine the optimum value as appropriate.
- the cellulose ester and / or its derivative used in the present invention accelerates dispersion and dissolution in polyuretan, and characterizes the produced polyurethane yarn. It is possible to obtain polyurethane elastic yarn with appropriate transparency in addition to the target characteristics, and to prevent the content of cellulose ester and / or its derivative from decreasing or discoloration due to heat in the yarn binding process.
- the viscosity at 20 ° 0 is in the range of 2 0 0 0 or more and 100 0 0 0 or less when it is made into a 5 mass% mouth IV! It is also preferable to use one kind or a mixture of two or more kinds of terminal blocking agents for the elastic yarn.
- Monoamines such as, diisopropylamine, butylmethylamine, isobutylmethylamine, isopentylmethylamine, dibutylamine, diamylamine, monools such as ethanol, propanol, butanol, isopropanol, allyl alcohol, cyclopentanol, phenylisocyanate, etc.
- the monoisosocyanate of the above is preferable.
- the polyurethane elastic yarn of the present invention may contain various stabilizers, pigments, etc.
- a light-resistant agent for example, a light-resistant agent, an antioxidant, etc.
- Hindered cellulose-based agents such as "Sumilyzer 8_80” manufactured by Sumitomo Chemical Industry Co., Ltd., benzotriazole-based and benzophenon-based agents such as "Chinubin” manufactured by various Chipagaigi, and "Sumi” manufactured by Sumitomo Chemical Industry Co., Ltd.
- Nitrogen oxide supplements such as _ 1 5 0, for example, thermal oxidation stabilizers such as “Sumilyzer ⁇ 8 _ 80” manufactured by Sumitomo Chemical Co., Ltd., for example, “Sumisorb 3 0 0” manufactured by Sumitomo Chemical Co., Ltd. It is also preferable to use a light stabilizer such as # 6 2 2 ”.
- a light stabilizer such as # 6 2 2 ”.
- Thermoplastic polyurethane elastomer, rosin and / or its derivative, cellulose ester and / or its derivative may be added together at the polymerization stage of polyurethane, but a polyurethane solution is prepared in advance and then added. Is preferable.
- the method for producing a polyurethane solution and the method for producing polyurethane as a solute of a solution may be either a melt polymerization method or a solution polymerization method, or may be another method. However, the solution polymerization method is more preferred.
- polyurethanes that are particularly suitable for the present invention are polymer diols with a molecular weight of 1800 or more and 600 or less, 1 ⁇ / 1 ⁇ , and diisosianate!
- ⁇ ZI DI is synthesized using at least one of ethylene glycol, 1,3 propanediol and 1,4 butanediol as diols, and has a melting point of 100 3 ⁇ 4 or more on the high temperature side.
- the range of 2 6 0 3 ⁇ 4 is as follows.
- Polyurethane can be obtained, for example, by synthesizing the above raw materials in a solvent containing, for example, mouth 1 ⁇ / 1, mouth 1 ⁇ / 1, IV! ⁇ , etc. as the main component.
- this kind of melting ⁇ ⁇ 02022/112993 ⁇ (: 1'2021 / 060973
- the so-called one-shot method in which each raw material is added to the agent, melted, heated to an appropriate temperature and reacted to form polyurethane, and polymer_geo_ A method in which le and disosocyane are first melt-reacted, and then the reaction product is dissolved in a solvent and then reacted with the above-mentioned diol to form polyurethane can be adopted as a particularly suitable method.
- a typical method for adjusting the melting point of polyurethane on the high temperature side to the range of 100 3 ⁇ 4 or more and 260 ° 0 or less is to control the types and ratios of polymer diols, I, and diols .
- the polymer has a low molecular weight, a relatively high proportion of IV! Port I can be used to obtain a polyurethane with a high temperature and a high melting point.
- the molecular weight of the polymer is low, the polyurethane with a high melting point can be obtained by relatively reducing the proportion of the polymer.
- the molecular weight of the polymer diol is 1800 or more.
- amine-based catalyst for example, 1 ⁇ 1, 1 ⁇ 1 — Dimethylcyclohexylamine, 1 ⁇ 1, 1 ⁇ 1 — Dimethylbenzylamine, Trietylamine, 1 ⁇ 1 _Methylmorpholin, 1 ⁇ 1 _Etylmorpholin, 1 ⁇ 1, 1 ⁇ 1, 1 ⁇ 1', 1 ⁇ 1, 1 ⁇ Tramethyletylene diamine, 1 ⁇ 1, 1 ⁇ 1, 1 ⁇ 1', 1 ⁇ 1, 1 ⁇ Tramethylu 1, 3 — Propanediamine, 1 ⁇ 1, 1 ⁇ 1, 1 ⁇ 1 ', 1 ⁇ 1, 1 ⁇ Tramethylhexanediamine, Bis-2 — Dimethylaminoetylester, 1 ⁇ 1, 1 ⁇ 1, 1 ⁇ 1', 1 ⁇ 1', 1 ⁇ 1, -Pentamethylje Tyrentriamine, Tetramethylguanidine, Trietylene diamine, 1 ⁇ 1 , 1 ⁇ 1'-Dimethylbipera
- the concentration of the polyurethane solution thus obtained is usually preferably in the range of 30% by mass or more and 80% by mass or less.
- thermoplastic polyurethane ester and / or a derivative thereof and a cellulose ester and / or a derivative thereof it is preferable to add a thermoplastic polyurethane ester and / or a derivative thereof and a cellulose ester and / or a derivative thereof to such a polyurethane solution.
- Any method can be adopted as the method of adding the thermoplastic polyurethane ester, rosin and its derivative, and the cellulose ester and / or its derivative to the polyurethane solution.
- various means such as a method using a static mixer, a method using a stirring, a method using a homomixer, and a method using a two-screw extruder can be adopted.
- thermoplastic polyurethane ester tomer and rosin and its derivatives and cellulosester and / or its derivatives to be added are preferably added as a solution from the viewpoint of uniform addition to the polyurethane solution.
- the thermoplastic polyurethane ester and rosin and / or its derivative and cellulose ester and / or its derivative are added to the polyurethane solution, the above-mentioned agents such as a light-resistant agent and an antioxidant-resistant agent are used. And pigments may be added at the same time.
- the polyurethane yarn of the present invention can be obtained by winding, for example, dry yarn, wet yarn, or melt yarn by winding the yarn yarn stock solution constructed as described above.
- dry yarn is preferable from the viewpoint of being able to stably yarn at all finenesses from fine to thick.
- the fineness, cross-sectional shape, etc. of the polyurethane elastic yarn of the present invention are not particularly limited.
- the cross-sectional shape of the thread may be circular or flat.
- ⁇ ⁇ 02022/112993 ⁇ (: 1 '2021 / 060973
- the dry yarn knotting method is not particularly limited, and the knotting conditions suitable for the desired characteristics and yarn setting are appropriately selected and tied.
- the permanent strain rate and stress relaxation of the polyurethane elastic yarn of the present invention are particularly susceptible to the speed ratio between the Gode roller and the taker, so they are appropriately determined according to the purpose of use of the yarn.
- the speed ratio between the godler and the taker should be in the range of 1.10 or more and 1.65 or less. And, especially when obtaining polyurethane yarn with low permanent strain rate and low stress relief, the speed ratio between the Gode roller and the taker is 1.15 or more and 1.4 or less. The range of 1.1 is more preferable.
- the speed ratio between the Gode roller and the picker is 1.25 or more and 1.6.
- the yarn winding speed is preferably 300 / min or more from the viewpoint of improving the strength of the obtained polyurethane elastic yarn.
- the polyurethane elastic yarn obtained as described above is used, for example, when manufacturing a fabric together with other fibers.
- Other fibers used with polyurethane elastic yarns for producing fabrics include polyamide fibers and polyester fibers.
- the polyamide fiber is a fiber typified by nylon 6 fiber and nylon 6 6 fiber, but is not limited thereto.
- polyester fiber is mainly composed of polyethylene terephthalate, polytrimethylene terephthalate, polyte tramethylene terephthalate, and poly- tramethylene glycol and ethylene glycol as diol components. It is a fiber composed of an ester-based copolymer containing the above, and a polyester such as a cationic dyeable modified polyester thereof. It is preferable that the cloth is mainly composed of these polypeptide fibers or polyester fibers and the polyurethane yarn of the present invention from the viewpoint of the workability and durability of the cloth.
- polyurethane elastic yarn in the fabric may be used in the state of bare yarn, core spun yarn covered with other fibers, air covering yarn, twisted yarn with other fibers, twisted yarn, interlaced. It may be used in the state of a composite yarn such as a yarn.
- the fabric composed of polyurethane elastic yarn and other fibers may be a knitted fabric composed of the above composite yarn, or may be used in knitting such as warp knitting, circular knitting, and weft knitting.
- the fabric may be knitted with fibers.
- the fabric may be warp or weft, and examples thereof include tricot, rassel, and circular knitting.
- the knitting structure may be any of half knitting, reverse half knitting, double atlas knitting, double denby knitting, etc., but the surface of the knitted fabric is composed of natural fibers other than polyurethane yarn, chemical fibers, and synthetic fibers. It is preferable in terms of texture.
- test threads 1 sampled at a length of about 110 1 ⁇ ⁇ (both ends are tied and fixed) are entangled at the center as shown in Fig. 1, with a gap of 1 ⁇ 1 ⁇ ⁇ . And fix it to the metal frame 2 (3).
- Each test thread 1 is 3 ⁇ 02022/112993 ⁇ (: 1 '2021 / 060973)
- the stress at break was defined as (0 3), and the length of the sample yarn at break was defined as (1_ 3).
- Strength ( ⁇ 3)
- Response relaxation 1 ⁇ ⁇ > ⁇ ((0 1)-(02)) / (0 1)
- Permanent distortion 1 0 0> ⁇ ((1_ 2) — (1_ 1)) / (1-1)
- Elongation 1 ⁇ ⁇ X ((1_ 3) — (1_ 1)) / (1-1).
- Mouth-oiler (3) When the polyurethane elastic yarn is pulled away, the speed of the mouth-operator (13) that is smoothly sent out without being lifted by the winding body of the polyurethane elastic yarn is calculated, and the speed ratio of the mouth-to-mouth (13) is obtained. 13) / (3) was defined as the unraveling property of polyurethane elastic yarn. The smaller the value, the better the looseness of the polyurethane elastic yarn. The unwinding test was performed using two winding bodies and evaluated by the average value.
- a polyurethane solution produced by the reaction of shi-butyljetanolamine and methylene-bis- (4 — chromhexyl isocyanate) (“Metachlor” (registered trademark) manufactured by DuPont) 2 4 6 2 0) and a condensate polymer of _cresol and divinylbenzene (“Metachlor” (registered trademark) 2 3 900) manufactured by DuPont are mixed in a ratio of 2: 1 (quantity ratio) and oxidized.
- the 01 ⁇ / 80 solution of the inhibitor was adjusted.
- Polyma solution P 1, A 1, B 1, C 1 is uniformly mixed in 6% by mass, 16% by mass, 2% by mass, 6% by mass, and is mixed with yarn solution D 2. did.
- Polyma solution P 1, A 1, B 1, C 1 is uniformly mixed in 68% by mass, 24% by mass, 2% by mass, 6% by mass, and is mixed with yarn solution D 3. did.
- the obtained polyurethane elastic yarn had a good balance of thermal adhesiveness and unfoldability after aging.
- Polymer solution ⁇ 2, 8 1, ⁇ 1, 0 1 are mixed uniformly in 90.5% by mass, 8% by mass, 1% by mass, and 0.5% by mass, and the yarn is knotted.
- the solution port 6 was used.
- a 200 ⁇ yarn body of polyurethane yarn having a content of 20 decitex, monofilament, and thermoplastic polyurethane elastomer of 8% by mass was obtained.
- the elongation, strength, permanent strain rate, stress relaxation, thermal adhesion and unresolvability were measured. The results are shown in Table 1.
- a polyurethane yarn having a content of 20 decitex , monofilament and rosin of 1% by mass was obtained.
- the elongation, strength, permanent strain rate, stress relaxation, thermal adhesion and unresolvability were measured. The results are shown in Table 1.
- a 200 ⁇ wound yarn of a polyurethane yarn having a content of 20 decitex, monofilament and cellulose ester of 3% by mass was obtained.
- the elongation, strength, permanent strain rate, stress relaxation, thermal adhesion and unresolvability were measured. The results are shown in Table 1.
- a 200% ⁇ yarn body of polyurethane yarn having a content of 20 decitex, monofilament and thermoplastic polyurethane elastomer of 8% by mass and a content of rosin of 1% by mass was obtained.
- the elongation, strength, permanent strain rate, stress relaxation, thermal adhesion and unresolvability were measured. The results are shown in Table 1.
- a polyurethane yarn containing 8% by mass of 20 decitex , monofilament and thermoplastic polyuretan ester, and 3% by mass of cellulose ester was obtained.
- the elongation, strength, permanent strain rate, stress relaxation, thermal adhesion and unresolvability were measured. The results are shown in Table 1.
- the polyurethane elastic yarn of the present invention By using the polyurethane elastic yarn of the present invention, it is possible to provide clothes having excellent detachability, fitability, appearance quality, and wearing feeling. In addition, since heat adhesion is developed by the heat during processing, fraying of the edges of the fabric is suppressed, and a high-quality fabric with few restrictions on processing can be obtained. Due to these excellent properties, the polyurethane elastic yarn of the present invention can be used alone or in combination with various fibers, for example, socks, stocking, circular knitting, tricots, swimwear, ski trousers, and work.
- the polyurethane elastic thread of the present invention can be used for various purposes such as leakage prevention tightening materials for sanitary products such as disposable diapers, waterproof tightening materials, imitation baits, artificial flowers, electrical insulation materials, wiping cloths, copy cleaners, and gas sets. It can also be used for various purposes.
- FIG. 1 is a schematic diagram showing a method of measuring the thermal adhesive force of a polyurethane elastic yarn.
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Abstract
Description
Claims
Priority Applications (5)
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MX2023006167A MX2023006167A (es) | 2020-11-25 | 2021-11-25 | Fibra elástica de poliuretano. |
US18/254,594 US20240044052A1 (en) | 2020-11-25 | 2021-11-25 | Polyurethane elastic yarn |
EP21854688.5A EP4253611A1 (en) | 2020-11-25 | 2021-11-25 | Polyurethane elastic yarn |
CN202180088708.5A CN116710603A (zh) | 2020-11-25 | 2021-11-25 | 聚氨酯弹性纱 |
KR1020237020362A KR20230107668A (ko) | 2020-11-25 | 2021-11-25 | 폴리우레탄 탄성사 |
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JP2021188459A JP2022083999A (ja) | 2020-11-25 | 2021-11-19 | ポリウレタン弾性糸およびその製造方法 |
JP2021-188459 | 2021-11-19 |
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Citations (5)
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JP2005048306A (ja) * | 2003-07-31 | 2005-02-24 | Du Pont Toray Co Ltd | ポリウレタン糸およびその製造方法 |
JP2006169677A (ja) * | 2004-12-17 | 2006-06-29 | Opelontex Co Ltd | ポリウレタン糸の製造方法 |
JP2009144267A (ja) * | 2007-12-12 | 2009-07-02 | Opelontex Co Ltd | ポリウレタン糸およびその製造方法 |
KR20120077817A (ko) * | 2010-12-31 | 2012-07-10 | 주식회사 효성 | 스판덱스 섬유용 폴리우레탄 수지 조성물 및 이로부터 제조된 스판덱스 섬유 |
JP2014043490A (ja) * | 2012-08-24 | 2014-03-13 | Sanyo Chem Ind Ltd | アニオン性ジオール及びこれを用いてなるポリウレタン樹脂 |
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JP4261791B2 (ja) | 2001-11-05 | 2009-04-30 | 株式会社ワコール | 伸縮性衣類 |
JP3983729B2 (ja) | 2003-10-10 | 2007-09-26 | グンゼ株式会社 | 切りっぱなし開口部を有する衣類 |
JP4860261B2 (ja) | 2005-12-27 | 2012-01-25 | 旭化成せんい株式会社 | ポリウレタン弾性繊維 |
JP4974086B2 (ja) | 2008-12-24 | 2012-07-11 | 東レ・オペロンテックス株式会社 | ポリウレタン弾性糸およびその製造方法 |
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- 2021-11-25 KR KR1020237020362A patent/KR20230107668A/ko unknown
- 2021-11-25 EP EP21854688.5A patent/EP4253611A1/en active Pending
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JP2005048306A (ja) * | 2003-07-31 | 2005-02-24 | Du Pont Toray Co Ltd | ポリウレタン糸およびその製造方法 |
JP2006169677A (ja) * | 2004-12-17 | 2006-06-29 | Opelontex Co Ltd | ポリウレタン糸の製造方法 |
JP2009144267A (ja) * | 2007-12-12 | 2009-07-02 | Opelontex Co Ltd | ポリウレタン糸およびその製造方法 |
KR20120077817A (ko) * | 2010-12-31 | 2012-07-10 | 주식회사 효성 | 스판덱스 섬유용 폴리우레탄 수지 조성물 및 이로부터 제조된 스판덱스 섬유 |
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US20240044052A1 (en) | 2024-02-08 |
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