WO2020231166A1 - 열접착성 섬유용 폴리에스테르 조성물, 이를 통해 구현된 열접착성 복합섬유 및 부직포 - Google Patents

열접착성 섬유용 폴리에스테르 조성물, 이를 통해 구현된 열접착성 복합섬유 및 부직포 Download PDF

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WO2020231166A1
WO2020231166A1 PCT/KR2020/006267 KR2020006267W WO2020231166A1 WO 2020231166 A1 WO2020231166 A1 WO 2020231166A1 KR 2020006267 W KR2020006267 W KR 2020006267W WO 2020231166 A1 WO2020231166 A1 WO 2020231166A1
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Prior art keywords
polyester composition
heat
formula
compound represented
adhesive
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PCT/KR2020/006267
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English (en)
French (fr)
Korean (ko)
Inventor
이정환
최중현
김도현
Original Assignee
도레이첨단소재 주식회사
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Priority to CN202080035612.8A priority Critical patent/CN113874562B/zh
Priority to JP2021515614A priority patent/JP7154400B2/ja
Publication of WO2020231166A1 publication Critical patent/WO2020231166A1/ko
Priority to JP2021189399A priority patent/JP7301935B2/ja

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    • 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
    • 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
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/34—Core-skin structure; Spinnerette packs therefor
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • 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
    • D10B2401/02—Moisture-responsive characteristics
    • D10B2401/022—Moisture-responsive characteristics hydrophylic
    • 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
    • D10B2509/00—Medical; Hygiene

Definitions

  • the present invention relates to a polyester composition for heat-adhesive fibers, and more particularly, spinning into fibers, excellent heat-adhesion over a wide temperature range, and minimizes change over time even in summer storage conditions, and improves storage stability, It relates to a polyester composition for heat-adhesive fibers capable of expressing excellent touch, deodorant properties, and hygroscopicity in an embodied product, and a heat-adhesive composite fiber and non-woven fabric implemented through it.
  • synthetic fibers have a high melting point and are often limited in use.
  • adhesive use of fibers, etc. in the case of use as an adhesive that is inserted between fabrics on a tape or interposed between fabrics on a tape, the fabric itself may be deteriorated and special equipment such as high-frequency sewing machine must be used. Because of the inconvenience of doing so, it is desired to easily adhere by a common simple heating press without using such special equipment.
  • U.S. Patent No. 4,129,675 introduces a low-melting-point polyester copolymerized using terephthalic acid (TPA) and isophthalic acid (IPA), and Korean Patent No. 10-1216690
  • TPA terephthalic acid
  • IPA isophthalic acid
  • Korean Patent No. 10-1216690 The issue discloses a low melting point polyester fiber including isophthalic acid and diethylene glycol to improve adhesion.
  • the conventional low-melting polyester fiber as described above may have a certain level of spinnability and adhesiveness, but there is a problem of obtaining a rigid nonwoven fabric or a woven structure after heat bonding due to the ring structure of a rigid modifier.
  • the nonwoven fabric manufactured using conventional low-melting-point polyester fibers has a problem in that it cannot absorb body fluids when used as a sanitary material because the polymer itself has little hydrophilicity.
  • the present invention has been devised in view of the above points, has excellent spinnability into fibers, exhibits excellent thermal adhesion, and at the same time, can exhibit remarkably improved tactile feel and dyeing properties in applied articles, and furthermore, at room temperature. It is an object of the present invention to provide a polyester composition for heat-adhesive fibers with minimal change over time and improved storage stability, and a heat-adhesive composite fiber and non-woven fabric implemented through it.
  • the present invention is a polyester composition for heat-adhesive fibers that can be expanded in applications requiring hygroscopicity by improving deodorization properties and improving hydrophilicity, and heat-adhesive composite fibers and non-woven fabrics implemented through them. It has a different purpose to provide.
  • the present invention is a polycondensation of an acid component containing terephthalic acid, and an esterified compound in which ethylene glycol and a diol component including a compound represented by the following formula (1) and a diol component including a compound represented by formula (2) are reacted. It provides a polyester composition for heat-adhesive fibers comprising a copolyester and a deodorant.
  • the total amount of the compound represented by Formula 1 and the compound represented by Formula 2 may be included in 30 to 45 mol% of the diol component.
  • the content (mol%) of the compound represented by Formula 1 in the diol component may be greater than the content (mol%) of the compound represented by Formula 2.
  • the diol component may not substantially contain diethylene glycol.
  • the acidic component may further include isophthalic acid in an amount of 1 to 10 mol% based on the acidic component.
  • the compound represented by Formula 1 may be contained in an amount of 1 to 40 mol%, and the compound represented by Formula 2 may be included in an amount of 1 to 20 mol%, and more preferably, the diol component represented by Formula 1
  • the compound represented is 20 to 40 mol%, the compound represented by Formula 2 is 1 to 10 mol%, more preferably the compound represented by Formula 1 is 30 to 40 mol%, the compound represented by Formula 2 is It may be included in 1 to 6 mol%.
  • the acidic component may further include isophthalic acid, and the total amount of the isophthalic acid, the compound represented by Formula 1, and the compound represented by Formula 2 in the copolyester may be included in 55 mol% or less.
  • a complementary colorant including blue and red dyes may be further included from 1 to 10 ppm based on the total weight of the polyester composition.
  • the deodorant is a photocatalyst oxide doped with a transition metal, and may be provided in an amount of 0.3 to 5.0% by weight based on the total weight of the polyester composition.
  • a titanium-based polymerization catalyst based on the total weight of the copolyester may further include 5 to 40 ppmm based on the amount of Ti element.
  • a phosphorus-based thermal stabilizer may be further included in an amount of 10 to 30 ppm based on the amount of P element.
  • the composition has no melting point, exhibits a softening behavior, and may have a glass transition temperature of 60 to 75°C, more preferably 65 to 72°C.
  • composition may have an intrinsic viscosity of 0.500 to 0.800 dl/g.
  • the present invention provides a polyester chip comprising the polyester composition for heat-adhesive fibers according to the present invention.
  • the present invention provides a heat-adhesive composite fiber comprising a core, and a sheath comprising the polyester composition for heat-adhesive fibers according to the present invention surrounding the core.
  • the present invention provides a heat-adhesive composite fiber alone or a non-woven fabric molded into a predetermined shape, including the heat-adhesive composite fiber and the polyester fiber according to the present invention.
  • the non-woven fabric may be any one selected from the group consisting of various sanitary products, automobile mattresses, interior materials for construction, bedding materials, insulation materials for clothes, and insulation materials for agriculture.
  • the present invention it is possible to exhibit excellent spinnability to fibers and excellent thermal adhesion, and at the same time, remarkably improved tactile feel and dyeing property in the applied article.
  • changes over time at room temperature are minimized, and storage stability may be improved.
  • the polyester composition is manufactured into chips, the drying time can be significantly reduced, and thus the manufacturing time can be significantly shortened. Accordingly, changes over time are also minimized even under storage conditions such as summer (for example, 40°C or higher), and the deformation of the initial shape of the product or deformation during use can be prevented according to the excellent storage stability.
  • summer for example, 40°C or higher
  • the deformation of the initial shape of the product or deformation during use can be prevented according to the excellent storage stability.
  • due to its excellent deodorizing properties and hydrophilic properties it can be widely used in various hygiene products.
  • FIG. 1 is a cross-sectional view of a composite fiber according to an embodiment of the present invention.
  • the acidic component includes terephthalic acid, and in addition to terephthalic acid, an aromatic polyhydric carboxylic acid having 6 to 14 carbon atoms, or an aliphatic polyhydric carboxylic acid having 2 to 14 carbon atoms and/or a metal sulfonic acid metal salt may be further included.
  • the aromatic polyhydric carboxylic acid having 6 to 14 carbon atoms is an acid component used for the production of polyester, and known ones may be used without limitation, but preferably any selected from the group consisting of dimethyl terephthalate, isophthalic acid and dimethyl isophthalate It may be one or more, and more preferably isophthalic acid in terms of reaction stability with terephthalic acid, ease of handling, and economy.
  • aliphatic polyhydric carboxylic acids having 2 to 14 carbon atoms may be used without limitation as known as acidic components used for the production of polyester, but non-limiting examples thereof include oxalic acid, malonic acid, succinic acid, glutaric acid, and It may be any one or more selected from the group consisting of acid, adipic acid, suberic acid, citric acid, pimeric acid, azelaic acid, sebacic acid, nonanoic acid, decanoic acid, dodecanoic acid, and hexanodecanoic acid.
  • the sulfonic acid metal salt may be sodium 3,5-dicarbomethoxybenzene sulfonate.
  • terephthalic acid may reduce the heat resistance of the polyester composition, so it is preferable not to include it.
  • isophthalic acid when other types of acidic content are further included, and in this case, isophthalic acid is 1 to 10 moles based on the acidic content. It is preferably included in %. If isophthalic acid is provided in an amount of less than 1 mol% based on the acid content, it may be difficult to express high thermal adhesion properties at an additional low temperature for the purpose. If it is provided in excess of 10 mol%, the material to be implemented is hard.
  • the soft touch is significantly lowered, and the glass transition temperature is excessively lowered, resulting in a problem of lowering of heat resistance.
  • the total content of the compound represented by Formula 1, the compound represented by Formula 2, and isophthalic acid to be described later in the copolyester increases excessively, it acts as a main component capable of forming crystals at a desired temperature. It may be difficult to achieve the object of the invention, such as significantly lowering the thermal bonding properties.
  • the diol component includes ethylene glycol, a compound represented by Formula 1 below, and a compound represented by Formula 2.
  • the compound represented by Formula 1 may lower the crystallinity and glass transition temperature of the polyester composition to be prepared to exhibit excellent thermal bonding performance.
  • the compound represented by Formula 1 among the diol components may be included in an amount of 13 to 40 mol%, more preferably 20 to 40 mol%, and even more preferably 30 to 40 mol%.
  • the compound represented by Chemical Formula 1 is contained in an amount of less than 13 mol% based on the diol component, spinnability is excellent, but there is a concern that the adhesive temperature may be increased or the thermal adhesive property may be reduced, and the intended use may be limited.
  • the compound represented by Formula 1 is provided in excess of 40 mol%, there may be a problem that it is difficult to commercialize because of poor radioactivity, and rather, there is a concern that the thermal bonding properties may be deteriorated due to increased crystallinity.
  • the compound represented by Chemical Formula 2 further improves the thermal adhesive properties of the polyester composition prepared with the compound represented by Chemical Formula 1 and prevents a significant decrease in the glass transition temperature of the compound represented by Chemical Formula 1 Despite the storage temperature, changes over time can be minimized and storage stability can be improved.
  • the compound represented by Formula 2 exhibits appropriate shrinkage properties for heat-adhesive fibers using a polyester composition that is implemented as it is mixed with the compound represented by Formula 1, and due to the development of these properties, By further increasing the point adhesion, it is possible to exhibit more enhanced thermal adhesion properties.
  • the compound represented by Formula 2 may be included in an amount of 1 to 20 mol%, more preferably 1 to 10 mol%, and even more preferably 1 to 6 mol%.
  • the compound represented by Formula 2 is contained in an amount of less than 1 mol% based on the diol component, it is difficult to improve the desired heat resistance, so that the storage stability is poor, and there is a concern that the change over time may be very large.
  • the compound represented by Formula 2 since it is used together with the compound represented by Formula 1, if the compound represented by Formula 2 is contained in an amount exceeding 20 mol%, it may cause problems that are difficult to commercialize due to poor radioactivity, and in some cases, isophthalic acid is additionally included.
  • the crystallinity is sufficiently deteriorated and there is no further effect, and when the amount of isophthalic acid to be added increases, the crystallinity is rather increased, so that excellent thermal bonding properties at the desired temperature can be significantly reduced. There is a fear that the purpose will not be achieved.
  • the shrinkage is remarkably large, and processing is difficult.
  • the total amount of the compound represented by Formula 1 and the compound represented by Formula 2 is preferably contained in 30 to 45 mol% of the diol component, more preferably 33 to It may be contained in 41 mol%. If they are contained in less than 30 mol%, the crystallinity of the copolyester increases and a high melting point or softening point becomes difficult to implement at a low temperature, so that the possible thermal bonding temperature is remarkably high, and excellent thermal bonding properties are expressed at low temperatures. May not be.
  • the compound represented by Formula 1 may be included in a larger content (mol%) than the compound represented by Formula 2. If the compound represented by Formula 1 is included in an amount less than or equal to the compound represented by Formula 2, it is difficult to express the desired heat-adhesive properties, and as it must be adhered at a high temperature, the use of the product may be limited. In addition, there is a concern that processing into a developed product may be difficult due to excessive shrinkage characteristics. Furthermore, there may be a problem that it is difficult to use it for a purpose.
  • the diol component may further include other types of diol components in addition to the compound represented by Formula 1, the compound represented by Formula 2, and ethylene glycol.
  • the other type of diol component may be a known diol component used in the production of polyester, so the present invention is not particularly limited thereto, but as a non-limiting example thereof, an aliphatic diol component having 2 to 14 carbon atoms may be used.
  • Nonamethylene glycol, decamethylene glycol, undecamethylene glycol, dodecamethylene glycol and may be any one or more selected from the group consisting of tridecamethylene glycol.
  • diethylene Glycol may be substantially free from the diol component used to obtain the copolyester. If diethylene glycol is included in the diol component, it may cause a rapid decrease in the glass transition temperature, so that even when the compound represented by Formula 2 is provided, the desired level of heat resistance may not be achieved.
  • diethylene glycol is not substantially contained in or does not contain diethylene glycol
  • diethylene glycol is not intentionally added when preparing the copolyester, and the esterification reaction of the acidic component and the diol component
  • the content of naturally occurring diethylene glycol included in the polyester composition may be less than 3% by weight of the total composition. If the naturally occurring content of diethylene glycol exceeds an appropriate level, there is a problem in that the pack pressure is increased when spinning into fibers, and the spinning property may be significantly reduced by causing frequent trimming.
  • the above-described acidic component and diol component can be prepared into copolyester through esterification and polycondensation using known synthetic conditions in the polyester synthesis field. At this time, the acid component and the diol component may be added to react at a molar ratio of 1: 1.1 to 2.0, but is not limited thereto.
  • the acid component and the diol component are mixed at one time in an appropriate molar ratio as described above, and then esterified and polycondensed to form a copolyester, or between ethylene glycol and a compound represented by Formula 1 among the acid component and diol component.
  • the compound represented by Formula 2 may be added to form a copolyester through esterification and polycondensation, and the present invention is not particularly limited thereto.
  • the catalyst may be a catalyst typically used in the production of polyester, but preferably may be a titanium-based polymerization catalyst, and more specifically, may be a titanium-based polymerization catalyst represented by the following formula (3).
  • the titanium-based polymerization catalyst represented by Chemical Formula 3 is stable even in the presence of water molecules, it is not deactivated even if it is added before the esterification reaction in which a large amount of water is produced.Therefore, the esterification reaction and polycondensation within a shorter time than the conventional one The reaction may proceed, and coloration due to yellowing may be suppressed through this.
  • the catalyst may be included so as to be 5 to 40 ppm in terms of titanium atoms in the total weight of the obtained copolyester, through which the thermal stability or color tone of the copolyester is better, and thus it is preferable.
  • the esterification reaction may be preferably carried out under a temperature of 200 to 270 °C and a pressure of 1100 to 1350 Torr. If the above conditions are not satisfied, there may be a problem in that an esterification reaction time is prolonged or an esterification compound suitable for polycondensation reaction cannot be formed due to a decrease in reactivity.
  • the polycondensation reaction may be performed under a temperature of 250 to 300°C and a pressure of 0.3 to 1.0 Torr, and if the above conditions are not satisfied, there may be problems such as delay in reaction time, decrease in polymerization degree, and induce thermal decomposition. .
  • the polycondensation reaction may further include a thermal stabilizer.
  • the thermal stabilizer is for preventing discoloration of color through thermal decomposition at high temperature, and a phosphorus compound may be used.
  • a phosphorus compound may be used.
  • phosphorus-based compound phosphoric acid, such as phosphoric acid, monomethyl phosphoric acid, trimethyl phosphoric acid, and triethyl phosphoric acid, and derivatives thereof are preferably used, and among them, trimethyl phosphoric acid or triethyl phosphoric acid is particularly preferable because of its excellent effect.
  • the amount of the phosphorus-based compound is preferably 10 to 30 ppm in terms of phosphorus atoms based on the total weight of the final copolyester.
  • the phosphorus-based thermal stabilizer is used in less than 10 ppm, it is difficult to prevent high-temperature thermal decomposition and the copolyester may be discolored. If it exceeds 30 ppm, it may be disadvantageous in terms of manufacturing cost. In the case of polycondensation reaction, the thermal stabilizer inhibits catalytic activity. There may be a problem in that the reaction delay phenomenon occurs.
  • the heat-adhesive polyester composition according to the present invention includes a deodorant provided during the polycondensation reaction of the above-described copolyester or after obtaining the copolyester.
  • the deodorant performs a function of decomposing and reducing or removing harmful gases such as VOC substances such as formaldehyde, ammonia, and trimethylamine, and known deodorants used for textiles can be used without limitation.
  • VOC substances such as formaldehyde, ammonia, and trimethylamine
  • known deodorants used for textiles can be used without limitation.
  • it may be preferably a matte catalyst, and specifically, may be a photocatalyst oxide doped with a transition metal.
  • a matte catalyst refers to a catalyst that can act as a catalyst through absorption of moisture even in the absence of light.
  • the transition metal is not particularly limited, but in consideration of reactivity, two or more types selected from the group consisting of Zn, Mn, Fe, Cu, Ni, Co, Cr, V, Zr, Mo, Ag, W, Pt, and Au are used. It is desirable.
  • the photocatalyst oxide may include TiO 2 , SrTiO 3 , ZrO, SnO 2 , WO 3 , Bi 2 O 3 , Fe 2 O 3, etc., but TiO 2 is particularly preferable and contains anatase type TiO 2 It is preferable to do, and even more preferably, the anatase type TiO 2 photocatalyst oxide may be doped with transition metals Fe and Ag.
  • the deodorant may be provided in an amount of 0.3 to 5.0% by weight, more preferably 0.3 to 2.5% by weight, and even more preferably 0.3 to 1.2% by weight based on the total weight of the heat-adhesive polyester composition. If it is provided in less than 0.3% by weight, it may be difficult to increase the desired level of deodorizing properties and hydrophilicity, and if it exceeds 5.0% by weight, the single yarn strength is lowered, and spinning workability due to yarn breakage may be deteriorated.
  • the heat-adhesive polyester composition may further include a complementary colorant.
  • the complementary colorant is for color tone adjustment to make the color of the dye dyed stronger and better in the dyeing process that proceeds after being spun into the fiber, and a known one in the textile field may be added, as a non-limiting example.
  • a mixture of blue and red dyes may be used. This is because cobalt compounds, which are generally used as complementary colors, are not preferable because they are harmful to the human body, whereas complementary colors mixed with blue and red dyes are preferable because they are harmless to the human body.
  • the color tone can be finely controlled.
  • the blue dye may include solvent blue 104, solvent blue 122, and solvent blue 45
  • examples of the red dye may include solvent red 111, solvent red 179, and solvent red 195.
  • the blue dye and the red dye may be mixed in a weight ratio of 1: 1.0 to 3.0, which is advantageous in expressing a remarkable effect on a desired fine color tone control.
  • the complementary colorant may be provided with 1 to 10 ppm based on the total weight of the polyester composition. If it is provided with less than 1 ppm, it may be difficult to achieve the desired level of complementary color characteristics, and if it exceeds 10 ppm, the L value is reduced. Therefore, there may be a problem in that transparency is deteriorated and a dark color appears.
  • the polyester composition according to the present invention prepared through the above-described method may have an intrinsic viscosity of 0.5 to 0.8 dl/g. If the intrinsic viscosity is less than 0.5 dl/g, there may be a problem in cross-section formation, and if the intrinsic viscosity is more than 0.8 dl/g, there may be a problem in radioactivity due to high pack pressure.
  • the polyester composition may have no melting point, may have thermal properties showing a softening behavior, and preferably may have a softening point of 90 to 110°C, which may be more advantageous in achieving the object of the present invention.
  • the polyester composition may have a glass transition temperature of 60 to 75°C. If the glass transition temperature is less than 60°C, the polyester chips, fibers, or articles implemented through the polyester composition change with time even at temperatures exceeding 40°C, such as in summer. There is a fear that bonding occurs and storage stability is significantly lowered. In addition, there is a concern that radiation failure may occur when inter-chip bonding occurs. Furthermore, there is a concern that the shrinkage property is excessively expressed after being implemented with fibers, etc., and the bonding property is rather deteriorated. In addition, due to the limitation of heat treatment required for a drying process after chip formation or a post-processing process after spinning into fibers, there may be a problem in that the time required for the process is prolonged or the process cannot be smoothly performed.
  • the glass transition temperature exceeds 75°C, there is a concern that the thermal bonding characteristics may be significantly deteriorated, and there is a concern that the development of the use may be limited as the performing temperature of the bonding process is limited to high temperatures.
  • polyester composition according to an embodiment of the present invention described above may be implemented as a polyester chip, and the method of manufacturing the polyester chip and the specification of the chip may follow the manufacturing method and specification known in the art. In the present invention, detailed descriptions thereof will be omitted.
  • the present invention is a thermal bonding including a core portion 11, and a sheath 12 including the polyester composition for heat-adhesive fibers according to the present invention surrounding the core portion 11 as shown in FIG. Implement the castle composite fiber (10).
  • the core portion may be used without limitation in the case of a polymer capable of spinning as a fiber, and for example, may be a known polyester-based component having high heat resistance and mechanical strength compared to the sheath, specifically polyethylene terephthalate, polybutylene terephthalate, Polypropylene terephthalate may be used, but is not limited thereto.
  • the core portion and the sheath portion may be, for example, a composite spun in a weight ratio of 8:2 to 2:8, but is not limited thereto, and may be spun by appropriately adjusting the ratio according to the purpose.
  • the process of spinning the composite fiber, the spinning device, and the cooling, stretching, etc. of the composite fiber after spinning can be performed through known conditions, devices, and processes in the art, or by appropriately modifying it. It does not specifically limit.
  • the composite fiber may be spun at a spinning temperature of 270 to 290°C, and may be stretched 2.5 to 4.0 times after spinning.
  • the fineness of the composite fiber may be 1 to 15 denier, and the fiber length may be 1 to 100 mm, for example.
  • the heat-adhesive polyester composition according to an embodiment of the present invention may be spun alone unlike FIG. 1 to be implemented as a single heat-adhesive fiber.
  • the present invention includes a nonwoven fabric implemented including the above-described heat-adhesive composite fiber or heat-adhesive single fiber.
  • the nonwoven fabric may be implemented by mixing a heat-adhesive fiber alone, such as a heat-adhesive composite fiber or a heat-adhesive single fiber, or a polyester-based fiber as a support fiber with the heat-adhesive fiber.
  • a heat-adhesive fiber alone such as a heat-adhesive composite fiber or a heat-adhesive single fiber
  • a polyester-based fiber as a support fiber with the heat-adhesive fiber.
  • the heat-adhesive fiber and the polyester fiber may be short fibers, and each of the short fibers may be honed and opened, and then heat treated to produce a nonwoven fabric.
  • the heat-adhesive fiber and the polyester fiber may be mixed in a ratio of 3:7 to 1:9, but are not limited thereto and may be appropriately changed in consideration of use.
  • the heat treatment may be 100 to 180 °C, more preferably 120 to 180 °C, through which more improved adhesive properties may be expressed.
  • porous structure may be any one selected from the group consisting of various hygiene products, automobile mattresses, interior materials for construction, bedding materials, insulation materials for clothes, and insulation materials for agriculture, but is not limited thereto.
  • the formed ester reaction product was transferred to a polycondensation reactor, and based on the total weight of the copolyester to be obtained, 15 ppm of a titanium-based compound represented by the following formula (3) (based on Ti element) as a polycondensation catalyst, and 25 ppm of triethyl phosphate as a heat stabilizer (P Elemental) and gradually reduced to a final pressure of 0.5 torr, and heated up to 285°C to perform a polycondensation reaction to form a copolyester, and anatase-type TiO 2 doped with transition metals Fe and Ag.
  • a polyester composition for heat-adhesive fibers was obtained by including 1% by weight based on the total weight of the polyester composition to prepare the photocatalyst oxide.
  • the polyester composition was prepared as a polyester chip having a width, length, and height of 2mm ⁇ 4mm ⁇ 3mm, respectively, by a conventional method.
  • a core-sheath type composite fiber having the polyester composition as a sheath and a polyethylene retephthalate (PET) having an intrinsic viscosity of 0.65 dl/g as a core part, a polyester chip made of the polyester composition, and PET
  • PET polyethylene retephthalate
  • the chips were melted and put into a core sheath type spinneret, and then combined spinning at a spinning speed of 1000mpm at 275°C so that the core and the sheath had a weight ratio of 5:5, and the fiber length was 51mm by stretching 3.0 times.
  • a core sheath type heat-adhesive composite fiber as shown in Table 1 with a fineness of 4.0de was prepared.
  • Example 2 Prepared by carrying out the same manner as in Example 1, but by changing the composition ratio of the monomer for the production of copolyester as shown in Table 1, Table 2 or Table 3 below, a polyester chip as shown in Table 1, Table 2, or Table 3, and A core sheath type composite fiber was prepared using this.
  • Example 2 It was prepared in the same manner as in Example 1, but by changing the composition of the monomer for preparing the copolyester as shown in Table 2 below, a polyester chip as shown in Table 2 and a core sheath type composite fiber using the same were prepared.
  • ortho-chlorophenol (Ortho-Chloro Phenol) is used as a solvent and melted for 30 minutes at a concentration of 110°C, 2.0g/25ml, and then incubated at 25°C for 30 minutes, automatically connected with a CANON viscometer. It was analyzed from a viscosity measuring device.
  • the glass transition temperature and melting point were measured using a differential calorimeter, and the analysis condition was a temperature increase rate of 20°C/min.
  • the moisture content was measured in a vacuum dryer at 55° C. at 4 hour intervals, and the time was expressed as drying time when the moisture content was 100 ppm or less as a result of the measurement.
  • Spinning workability occurs during spinning process for core sheath type composite fibers spun in the same amount for each Example and Comparative Example (means a lump formed by fusion of some of the fiber strands passing through the detention or irregular fusion of strands after trimming) Numerical values were counted through a drip detector, and the number of drips generated in the remaining Examples and Comparative Examples was expressed as a relative percentage based on the number of drip occurrences in Example 1 as 100.
  • Japan's KURABO After performing a dyeing process at 90° C. for 60 minutes at a bath ratio of 1:50 for a dye solution containing 2% by weight of blue dye based on the weight of the core sheath type composite fiber, Japan's KURABO After measuring the spectral reflectance of the visible region (360 ⁇ 740nm, 10nm interval) of the dyed composite fiber using the company's color measurement system, the Total K/S value, an index of the amount of dyeing according to the CIE 1976 standard, was calculated. The color yield of the dye was evaluated.
  • Example 15 in which the content of the compound represented by Formula 2 was higher than that of the compound represented by Formula 1, the shape was changed in the adhesive strength evaluation by temperature compared to other examples to achieve the desired physical properties. It can be confirmed that it is not suitable for.
  • the core sheath type composite fiber was heat-treated at 130°C to prepare a nonwoven fabric.
  • the prepared nonwoven fabric was cut into a predetermined size, and two specimens were prepared for each Example and Comparative Example, and then one prepared specimen (Sample 1) in a constant temperature and humidity chamber equipped with a UV lamp prepared in advance was added, and a temperature of 25°C, Relative humidity of 50%RH and ultraviolet rays were irradiated for 30 days at an intensity of 300mJ/cm2.
  • the storage stability against moisture and light is determined by measuring the tensile strength of the specimen stored for 30 days in the constant temperature and humidity chamber and the tensile strength of the remaining specimens (specimen 2, untreated specimen) that were not put into the constant temperature and humidity chamber, respectively.
  • the core-sheath type composite fiber was heat-treated at 130°C to prepare a nonwoven fabric, and then cut into 10cm ⁇ 10cm to prepare a specimen.
  • the prepared specimen was put in a 3L Tedler bag and sealed by injecting the target gas and clean air, and after 120 minutes, the respective concentrations were measured by the gastec detection tube method, and the gas reduction rate was calculated from the following calculation formula 1.
  • C b represents a blank test concentration
  • C a represents a sample concentration
  • the examples including the deodorant are advantageous in simultaneously satisfying the gas reduction rate, spinning workability, hydrophilicity, and storage stability due to light/moisture compared to Comparative Example 5.
  • Comparative Example 1 that does not contain the compound of Formula 2, even when the deodorant is included, it is not good in absorbency, spinning workability, and storage stability due to light/moisture compared to Example 1 including the deodorant in the same amount. I can confirm.

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PCT/KR2020/006267 2019-05-13 2020-05-13 열접착성 섬유용 폴리에스테르 조성물, 이를 통해 구현된 열접착성 복합섬유 및 부직포 WO2020231166A1 (ko)

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KR102419939B1 (ko) * 2019-12-27 2022-07-11 도레이첨단소재 주식회사 습식부직포 및 이를 포함하는 물품
KR102648800B1 (ko) * 2021-08-09 2024-03-15 도레이첨단소재 주식회사 폴리에스테르 수지 및 그 제조방법, 이로부터 제조된 열접착성 폴리에스테르 섬유
KR20230119466A (ko) * 2022-02-07 2023-08-16 도레이첨단소재 주식회사 티타늄계 촉매를 포함하는 필름용 폴리에스테르 수지 조성물 및 그 제조방법
KR20240043990A (ko) 2022-09-28 2024-04-04 도레이첨단소재 주식회사 저수축성 및 고벌키성을 가지는 열접착성 시스-코어형 복합섬유, 이의 제조방법 및 이를 포함하는 위생재용 부직포

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006206860A (ja) * 2004-12-27 2006-08-10 Toyobo Co Ltd ポリエステル樹脂の製造方法
KR20160079347A (ko) * 2014-12-26 2016-07-06 도레이케미칼 주식회사 소프트한 촉감을 가지는 저융점(lm) 폴리에스테르 복합섬유
KR20180013118A (ko) * 2016-07-28 2018-02-07 신동수 항균 기능성을 가지는 폴리에스테르 섬유
WO2018147251A1 (ja) * 2017-02-09 2018-08-16 東レ株式会社 熱接着性芯鞘型複合繊維およびトリコット編み地
KR20190033712A (ko) * 2017-09-22 2019-04-01 (주)영원코포레이션 신축성 및 쾌적성이 우수한 하계용 항균소취원단의 제조방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT290131B (de) * 1967-12-15 1971-05-25 Alpine Chemische Ag Verfahren zur Herstellung von Polyestern und Copolyestern
CA1103842A (en) * 1977-05-04 1981-06-23 Joseph Lacona Process for reducing the processing time in the production of polyesters
JPH04139212A (ja) * 1990-09-28 1992-05-13 Chisso Corp 変性ポリエステル樹脂及びこれを用いた熱接着性複合繊維
AUPM316193A0 (en) * 1993-12-24 1994-01-27 Bhp Steel (Jla) Pty Limited Thermosetting polyester resin
JPH0959825A (ja) * 1995-06-13 1997-03-04 Nippon Ester Co Ltd ポリエステル複合繊維
JP5549779B2 (ja) 2012-01-30 2014-07-16 東レ株式会社 常圧分散可染性ポリエステル組成物、その製造方法およびそれからなる繊維およびそれからなる成形体
JP2016113615A (ja) * 2014-12-10 2016-06-23 ユニチカ株式会社 ポリエステル樹脂およびそれを用いた積層体
WO2017150747A1 (ko) * 2016-02-29 2017-09-08 (주)휴비스 저융점 복합섬유
KR102061805B1 (ko) * 2018-06-27 2020-01-03 도레이첨단소재 주식회사 열접착성 섬유용 폴리에스테르 조성물, 이를 통해 구현된 열접착성 복합섬유및 부직포

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006206860A (ja) * 2004-12-27 2006-08-10 Toyobo Co Ltd ポリエステル樹脂の製造方法
KR20160079347A (ko) * 2014-12-26 2016-07-06 도레이케미칼 주식회사 소프트한 촉감을 가지는 저융점(lm) 폴리에스테르 복합섬유
KR20180013118A (ko) * 2016-07-28 2018-02-07 신동수 항균 기능성을 가지는 폴리에스테르 섬유
WO2018147251A1 (ja) * 2017-02-09 2018-08-16 東レ株式会社 熱接着性芯鞘型複合繊維およびトリコット編み地
KR20190033712A (ko) * 2017-09-22 2019-04-01 (주)영원코포레이션 신축성 및 쾌적성이 우수한 하계용 항균소취원단의 제조방법

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