RU2010125313A - Эсктрудированный многослойный материал для впитывающих изделий - Google Patents
Эсктрудированный многослойный материал для впитывающих изделий Download PDFInfo
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Abstract
1. Поглощающее изделие, содержащее: ! верхний слой; ! наружный чехол; ! поглощающую сердцевину, расположенную между верхним слоем и наружным чехлом; ! при этом наружный чехол содержит экструзионно-скрепляемый ламинат, содержащий: ! многослойную коэкструдированную эластомерную пленку, содержащую слой сердцевины, первый внешний слой и второй внешний слой, причем слой сердцевины расположен между первым и вторым внешними слоями; ! нетканый материал, состоящий из волокон и/или нитей; ! причем первый внешний слой неадгезивно соединен с нетканым материалом путем экструзионного нанесения покрытия; ! при этом наружный чехол является эластичным до по меньшей мере примерно 50% относительной продольной деформации; ! при этом нетканый материал имеет высокое химическое сродство к первому внешнему слою; ! при этом первый внешний слой имеет низкое химическое сродство к слою сердцевины; и ! при этом многослойная коэкструдированная эластомерная пленка характеризуется значением веса на единицу площади не превышающим примерно 40 г/кв.м. ! 2. Поглощающее изделие по п.1, отличающееся тем, что экструзионно-скрепляемый ламинат активируют. ! 3. Поглощающее изделие по п.1, отличающееся тем, что первый и второй внешние слои характеризуются показателем сплавления от примерно 10% до примерно 20%. ! 4. Поглощающее изделие по п.2, отличающееся тем, что нетканый материал содержит бикомпонентные волокна, волокна, содержащие сердцевину и оболочку. ! 5. Поглощающее изделие по п.4, отличающееся тем, что оболочка содержит полиэтилен, а сердцевина содержит полипропилен. ! 6. Поглощающее изделие по п.1, отличающееся тем, что сердцевина эластомерной пленки в
Claims (20)
1. Поглощающее изделие, содержащее:
верхний слой;
наружный чехол;
поглощающую сердцевину, расположенную между верхним слоем и наружным чехлом;
при этом наружный чехол содержит экструзионно-скрепляемый ламинат, содержащий:
многослойную коэкструдированную эластомерную пленку, содержащую слой сердцевины, первый внешний слой и второй внешний слой, причем слой сердцевины расположен между первым и вторым внешними слоями;
нетканый материал, состоящий из волокон и/или нитей;
причем первый внешний слой неадгезивно соединен с нетканым материалом путем экструзионного нанесения покрытия;
при этом наружный чехол является эластичным до по меньшей мере примерно 50% относительной продольной деформации;
при этом нетканый материал имеет высокое химическое сродство к первому внешнему слою;
при этом первый внешний слой имеет низкое химическое сродство к слою сердцевины; и
при этом многослойная коэкструдированная эластомерная пленка характеризуется значением веса на единицу площади не превышающим примерно 40 г/кв.м.
2. Поглощающее изделие по п.1, отличающееся тем, что экструзионно-скрепляемый ламинат активируют.
3. Поглощающее изделие по п.1, отличающееся тем, что первый и второй внешние слои характеризуются показателем сплавления от примерно 10% до примерно 20%.
4. Поглощающее изделие по п.2, отличающееся тем, что нетканый материал содержит бикомпонентные волокна, волокна, содержащие сердцевину и оболочку.
5. Поглощающее изделие по п.4, отличающееся тем, что оболочка содержит полиэтилен, а сердцевина содержит полипропилен.
6. Поглощающее изделие по п.1, отличающееся тем, что сердцевина эластомерной пленки выбрана из группы, состоящей из этиленового сополимера, имеющего показатель сплавления от примерно 5% до примерно 20%, пропиленового сополимера, имеющего показатель сплавления от примерно 5% до примерно 20%, и их комбинаций.
7. Поглощающее изделие по п.1, отличающееся тем, что экструзионно-скрепляемый ламинат характеризуется значением веса на единицу площади от примерно 20 г/кв.м до примерно 30 г/кв.м.
8. Поглощающее изделие по п.1, отличающееся тем, что экструзионно-скрепляемый ламинат дополнительно содержит адгезив.
9. Поглощающее изделие по п.1, отличающееся тем, что нетканый материал содержит волокна некруглого поперечного сечения.
10. Поглощающее изделие по п.4, отличающееся тем, что первый внешний слой содержит по меньшей мере примерно 25% полимера, содержащего более 10 мас.% этилена.
11. Поглощающее изделие по п.1, отличающееся тем, что дополнительно содержит второй нетканый материал, соединенный со вторым внешним слоем.
12. Поглощающее изделие по п.5, отличающееся тем, что прочность связи ламината составляет от примерно 2,5 до примерно 3,5 Н/см, при измерении методом испытаний на растяжение (режим II).
13. Поглощающее изделие по п.1, отличающееся тем, что наружная поверхность второго внешнего слоя характеризуется силой слипания менее 0,4 Н/см.
14. Поглощающее изделие по п.1, отличающееся тем, что экструзионно-скрепляемый ламинат свободен от адгезива.
15. Поглощающее изделие по п.1, отличающееся тем, что эластомерная пленка содержит по меньшей мере примерно 50 мас.% полиолефинового эластомера.
16. Поглощающее изделие по п.1, отличающееся тем, что эластомерная пленка содержит:
по меньшей мере один эластомерный полимер на основе олефина; и
по меньшей мере один вытянутый полимер;
в котором эластомерная пленка имеет остаточную деформацию не более чем примерно 15% при измерении методом гистерезисных испытаний с двумя циклами при использовании 100% максимальной относительной продольной деформации.
17. Поглощающее изделие по п.1, отличающееся тем, что первый и второй внешние слои имеют идентичный состав.
18. Поглощающее изделие по п.2, отличающееся тем, что наружный чехол характеризуется пределом прочности на растяжение превышающим примерно 3 Н/см.
19. Поглощающее изделие, содержащее:
верхний слой;
наружный чехол;
поглощающую сердцевину, расположенную между верхним слоем и наружным чехлом; в котором наружный чехол содержит экструзионно-скрепляемый ламинат, содержащий:
многослойную коэкструдированную эластомерную пленку, содержащую слой сердцевины, первый внешний слой и второй внешний слой, причем слой сердцевины расположен между первым и вторым внешними слоями;
нетканый материал, состоящий из волокон и/или нитей;
при этом первый внешний слой неадгезивно соединен с нетканым материалом путем экструзионного нанесения покрытия;
при этом наружный чехол является эластичным до по меньшей мере примерно 50% относительной продольной деформации;
при этом нетканый материал имеет высокое химическое сродство к первому внешнему слою;
при этом первый внешний слой имеет высокое химическое сродство к слою сердцевины; и
при этом многослойная коэкструдированная эластомерная пленка характеризуется значением веса на единицу площади не превышающим примерно 25 г/кв.м.
20. Поглощающее изделие, содержащее:
верхний слой;
наружный чехол;
поглощающую сердцевину, расположенную между верхним слоем и наружным чехлом;
при этом наружный чехол содержит экструзионно-скрепляемый ламинат, содержащий:
многослойную коэкструдированную эластомерную пленку, содержащую слой сердцевины, первый внешний слой и второй внешний слой, причем слой сердцевины расположен между первым и вторым внешними слоями;
нетканый материал, состоящий из волокон и/или нитей;
в котором первый внешний слой неадгезивно соединен с нетканым материалом путем экструзионного нанесения покрытия;
при этом наружный чехол является эластичным до по меньшей мере примерно 50% относительной продольной деформации;
при этом нетканый материал имеет высокое химическое сродство к первому внешнему слою;
при этом первый внешний слой имеет среднее химическое сродство к слою сердцевины; и
при этом многослойная коэкструдированная эластомерная пленка имеет значение веса на единицу площади не более примерно 25 г/кв.м.
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US2310708P | 2008-01-24 | 2008-01-24 | |
US61/023,107 | 2008-01-24 | ||
PCT/US2009/031822 WO2009094530A1 (en) | 2008-01-24 | 2009-01-23 | Extrusion bonded laminates for absorbent articles |
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RU2010125313A true RU2010125313A (ru) | 2012-03-20 |
RU2474406C2 RU2474406C2 (ru) | 2013-02-10 |
Family
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RU2010125313/12A RU2474406C2 (ru) | 2008-01-24 | 2009-01-23 | Эсктрудированный многослойный материал для абсорбирующих изделий |
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EP (3) | EP2242465B1 (ru) |
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AU (2) | AU2009206370B2 (ru) |
BR (2) | BRPI0906757A2 (ru) |
CA (3) | CA2813544A1 (ru) |
CL (1) | CL2009000140A1 (ru) |
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RU (1) | RU2474406C2 (ru) |
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