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RU2019102217A - Нетканый материал спанбонд с извитыми тонкими волокнами и улучшенной однородностью - Google Patents

Нетканый материал спанбонд с извитыми тонкими волокнами и улучшенной однородностью Download PDF

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RU2019102217A
RU2019102217A RU2019102217A RU2019102217A RU2019102217A RU 2019102217 A RU2019102217 A RU 2019102217A RU 2019102217 A RU2019102217 A RU 2019102217A RU 2019102217 A RU2019102217 A RU 2019102217A RU 2019102217 A RU2019102217 A RU 2019102217A
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polymer
melt flow
flow rate
high melt
range
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RU2019102217A
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RU2019102217A3 (ru
RU2748508C2 (ru
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Себастьян ЗОММЕР
Мортер Рисе ХАНСЕН
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Файбертекс Персонал Кэа А/С
Райфенхойзер Гмбх Унд Ко. Кг Машиненфабрик
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    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • 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
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
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    • 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
    • D01D5/12—Stretch-spinning methods
    • D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
    • D—TEXTILES; PAPER
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    • 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
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
    • D—TEXTILES; PAPER
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    • 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
    • D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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    • 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
    • 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
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
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    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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    • D04H1/4282—Addition polymers
    • D04H1/4291—Olefin series
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    • D04H1/4391—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 characterised by the shape of the fibres
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
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    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
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    • 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
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    • D04H3/147—Composite yarns or filaments
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    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
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    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
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    • 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
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/08—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
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    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
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    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
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  • Engineering & Computer Science (AREA)
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  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonwoven Fabrics (AREA)
  • Multicomponent Fibers (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)

Claims (20)

1. Нетканый материал спанбонд, содержащий извитые многокомпонентные волокна, где первый компонент многокомпонентных волокон состоит из первого материала термопластичного полимера, содержащего первый термопластичный базовый полимер, и второй компонент многокомпонентных волокон, состоит из второго материала термопластичного полимера, содержащего второй термопластичный базовый полимер, который отличен от первого базового полимера, где первый базовый полимер и второй базовый полимер имеет показатель текучести расплава в пределах между 15 и 60 г/10 мин как измерено согласно ISO 1133 при условиях 230°C и 2,16 кг, отличающийся тем, что,
по меньшей мере, один материал из первого материала полимера или второго материала полимера представляет собой полимерную смесь, содержащую, дополнительно к соответствующему базовому полимеру, в пределах 1-10 процентов массовых полимера с высоким показателем текучести расплава;
где полимер с высоким показателем текучести расплава имеет показатель текучести расплава в пределах между 600 и 3000 г/10 мин как измерено согласно ISO 1133 при условиях 230°C и 2,16 кг;
где волокна имеют линейную массовую плотность меньше, чем 1,5 денье; и
где среднее количество извитков извитых многокомпонентных волокон находится в пределах, по меньшей мере, 5, и предпочтительно, по меньшей мере, 8 извитков на см волокна, как измерено согласно стандарту Японии JIS L-1015-1981 под нагрузкой предварительного натяжения 2 мг/денье.
2. Материал по п.1, где полимер с высоким показателем текучести расплава имеет температуру плавления больше 120°C, как измерено согласно ISO 11357-3.
3. Материал по любому из предыдущих пунктов, где в пределах 1-10 процентов массовых полимера с высоким показателем текучести расплава добавлены как к первому, так и ко второму материалу полимера.
4. Материал по любому из предыдущих пунктов, где показатель текучести расплава полимера с высоким показателем текучести расплава больше, чем 750 г/10 мин, а предпочтительно, больше, чем 1000 г/10 мин, как измерено согласно ISO 1133 при условиях 230°C и 2,16 кг.
5. Материал по любому из предыдущих пунктов, где показатель текучести расплава полимера с высоким показателем текучести расплава меньше, чем 2200 г/10 мин, предпочтительно меньше, чем 1800 г/10 мин, и более предпочтительно, меньше, чем 1500 г/10 мин, как измерено согласно ISO 1133 при условиях 230°C и 2,16 кг.
6. Материал по любому из предыдущих пунктов, где уровень включения полимера с высоким показателем текучести расплава в первый материал полимера и/или во второй материал полимера находится в пределах между 3 и 9 процентами массовыми.
7. Материал по любому из предыдущих пунктов, где линейная массовая плотность волокон составляет 0,6 денье или выше, предпочтительно, находится в пределах между 0,8 и 1,35 денье.
8. Материал по любому из предыдущих пунктов, где первый базовый полимер и/или второй базовый полимер представляет собой полиолефин, предпочтительно, выбранный из группы, состоящей из полипропиленового гомополимера, полиэтиленового гомополимера или сополимера полипропилен-этилен, и более предпочтительно, выбранный из группы, состоящей из полипропиленового гомополимера или сополимера полипропилен-этилен.
9. Материал по любому из предыдущих пунктов, где полимер с высоким показателем текучести расплава представляет собой полипропиленовый гомополимер.
10. Материал по любому из предыдущих пунктов, где первый и/или второй материал полимера дополнительно содержит антифрикционную добавку, предпочтительно, амид жирной кислоты, где антифрикционная добавка предпочтительно присутствует в соответствующем материале полимера в количестве до 5000 м.д., предпочтительно, в количестве 2000-3000 м.д. по отношению к общей массе соответствующего материала полимера.
11. Способ получения нетканого материала спанбонд по любому из предыдущих пунктов в устройстве, содержащем, по меньшей мере, два экструдера с фильерой, вытяжной канал и подвижную ленту, где волокна прядут в фильере, вытягивают в вытяжном канале и выкладывают на подвижную ленту, где устройство содержит технологическую термокабину высокого давления, из которой технологический воздух направляют через вытяжной канал для вытяжки волокон, отличающийся тем, что
разность давлений между давлением окружающей среды и давлением в технологической термокабине составляет, по меньшей мере, 4000 Паскаль, и/или, где максимальная скорость воздуха в вытяжном канале составляет, по меньшей мере, 70 м/сек.
12. Способ по п.11, где разность давлений между давлением окружающей среды и давлением в технологической термокабине составляет самое большее 8000 Паскаль, а предпочтительно находится в пределах между 5000 и 7000 Паскаль, более предпочтительно в пределах между 5500 и 6500 Паскаль; и/или где максимальная скорость воздуха в вытяжном канале составляет самое большее 110 м/сек, и предпочтительно находится в пределах между 80 и 100 м/сек; и/или где температура экструдера, по меньшей мере, одного из экструдеров находится в пределах между 240°C и 285°C.
13. Многослойный материал, где, по меньшей мере, один слой содержит нетканый материал спанбонд по любому из пп.1-9.
14. Многослойный материал по п.13, где многослойный материал содержит, по меньшей мере, два слоя (S) нетканого материала спанбонд и, по меньшей мере, один слой (M) нетканого материала мелтблаун в конфигурации SMS.
15. Продукт гигиены, содержащий нетканый материал спанбонд по любому из пп.1-9 или многослойный материал по п.13 или 14.
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