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RU2010135034A - Волокнистый листовой материал - Google Patents

Волокнистый листовой материал Download PDF

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Publication number
RU2010135034A
RU2010135034A RU2010135034/05A RU2010135034A RU2010135034A RU 2010135034 A RU2010135034 A RU 2010135034A RU 2010135034/05 A RU2010135034/05 A RU 2010135034/05A RU 2010135034 A RU2010135034 A RU 2010135034A RU 2010135034 A RU2010135034 A RU 2010135034A
Authority
RU
Russia
Prior art keywords
sheet material
fibrous sheet
mesh
fiber
nonwoven fabric
Prior art date
Application number
RU2010135034/05A
Other languages
English (en)
Other versions
RU2493964C2 (ru
Inventor
Фумио МИЯХАРА (JP)
Фумио Мияхара
Митсунори САЙТО (JP)
Митсунори САЙТО
Наоко ЯМАГУЧИ (JP)
Наоко ЯМАГУЧИ
Original Assignee
ОУКИ Ко., Лтд. (JP)
ОУКИ Ко., Лтд.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ОУКИ Ко., Лтд. (JP), ОУКИ Ко., Лтд. filed Critical ОУКИ Ко., Лтд. (JP)
Publication of RU2010135034A publication Critical patent/RU2010135034A/ru
Application granted granted Critical
Publication of RU2493964C2 publication Critical patent/RU2493964C2/ru

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Classifications

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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
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    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
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    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/24992—Density or compression of components

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  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Woven Fabrics (AREA)
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Abstract

1. Волокнистый листовой материал, включающий сетку и нетканую ткань, нанесенную ламинированием на сетку, в котором: ! номер волокна основы сетки составляет от 5 до 40 денье, и плотность основы составляет от 40 до 100 нитей основы на дюйм (15,7-39,4 нитей/см), номер волокна утка сетки составляет от 5 до 40 денье, и плотность утка составляет от 20 до 100 нитей утка на дюйм (7,9-39,4 нитей/см); ! нетканая ткань изготовлена из нетканой ткани, полученной аэродинамическим способом из расплава, фильерной нетканой ткани или кардной нетканой ткани, имеющей номер волокна 4,0 денье или менее; и ! основная масса волокнистого листового материала составляет от 7,5 до 20 г/м2. ! 2. Волокнистый листовой материал по п.1, в котором: ! основная масса нетканой ткани составляет 5 г/м2 или менее, и основная масса волокнистого листового материала составляет от 7,5 до 20 г/м2. ! 3. Волокнистый листовой материал по п.1 или 2, в котором как нетканая ткань, так и сетка включают составляющее волокно, и ! температура плавления составляющего волокна нетканой ткани ниже температуры плавления составляющего волокна сетки. ! 4. Волокнистый листовой материал по п.1, в котором прозрачность Lt, вычисленная в соответствии со следующим уравнением, составляет 60% или более: ! Lt=Lw-Lb, ! где Lb представляет собой коэффициент отражения белого света при помещении черной пластинки под волокнистый листовой материал (%), и Lw представляет собой коэффициент отражения белого света при помещении стандартной белой пластинки под волокнистый листовой материал (%). ! 5. Волокнистый листовой материал по п.1, в котором: ! сетка изготовлена из полимолочной кислоты или биоразлагаемого волокна из алифатического или а

Claims (7)

1. Волокнистый листовой материал, включающий сетку и нетканую ткань, нанесенную ламинированием на сетку, в котором:
номер волокна основы сетки составляет от 5 до 40 денье, и плотность основы составляет от 40 до 100 нитей основы на дюйм (15,7-39,4 нитей/см), номер волокна утка сетки составляет от 5 до 40 денье, и плотность утка составляет от 20 до 100 нитей утка на дюйм (7,9-39,4 нитей/см);
нетканая ткань изготовлена из нетканой ткани, полученной аэродинамическим способом из расплава, фильерной нетканой ткани или кардной нетканой ткани, имеющей номер волокна 4,0 денье или менее; и
основная масса волокнистого листового материала составляет от 7,5 до 20 г/м2.
2. Волокнистый листовой материал по п.1, в котором:
основная масса нетканой ткани составляет 5 г/м2 или менее, и основная масса волокнистого листового материала составляет от 7,5 до 20 г/м2.
3. Волокнистый листовой материал по п.1 или 2, в котором как нетканая ткань, так и сетка включают составляющее волокно, и
температура плавления составляющего волокна нетканой ткани ниже температуры плавления составляющего волокна сетки.
4. Волокнистый листовой материал по п.1, в котором прозрачность Lt, вычисленная в соответствии со следующим уравнением, составляет 60% или более:
Lt=Lw-Lb,
где Lb представляет собой коэффициент отражения белого света при помещении черной пластинки под волокнистый листовой материал (%), и Lw представляет собой коэффициент отражения белого света при помещении стандартной белой пластинки под волокнистый листовой материал (%).
5. Волокнистый листовой материал по п.1, в котором:
сетка изготовлена из полимолочной кислоты или биоразлагаемого волокна из алифатического или ароматического полиэстера; и
нетканая ткань изготовлена из полимолочной кислоты, биоразлагаемой смолы, содержащей янтарную кислоту, или биоразлагаемого волокна из ароматического полиэстера.
6. Волокнистый листовой материал по п.1, в котором:
сетка изготовлена из композитной нити типа «стержень в оболочке», содержащей стержневую часть и оболочечную часть, каждая из которых изготовлена из полимолочной кислоты; и
температура плавления полимолочной кислоты стержневой части превышает температуру плавления полимолочной кислоты оболочечной части на 20°С или более.
7. Фильтрующий материал для чайного пакетика, включающий волокнистый листовой материал по любому из пп.1-6.
RU2010135034/05A 2008-04-18 2009-04-16 Волокнистый листовой материал RU2493964C2 (ru)

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