JP2006205573A - 気体透過性積層シート - Google Patents
気体透過性積層シート Download PDFInfo
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- JP2006205573A JP2006205573A JP2005021491A JP2005021491A JP2006205573A JP 2006205573 A JP2006205573 A JP 2006205573A JP 2005021491 A JP2005021491 A JP 2005021491A JP 2005021491 A JP2005021491 A JP 2005021491A JP 2006205573 A JP2006205573 A JP 2006205573A
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- polyethylene film
- gas
- nonwoven fabric
- laminated sheet
- permeable
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- -1 polyethylene Polymers 0.000 claims abstract description 69
- 239000004698 Polyethylene Substances 0.000 claims abstract description 63
- 229920000573 polyethylene Polymers 0.000 claims abstract description 63
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 47
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 238000010030 laminating Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000035699 permeability Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 239000003905 agrochemical Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0032—Ancillary operations in connection with laminating processes increasing porosity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
- B32B2038/0028—Stretching, elongating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/10—Fibres of continuous length
- B32B2305/20—Fibres of continuous length in the form of a non-woven mat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2437/00—Clothing
-
- 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.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24322—Composite web or sheet
-
- 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.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24322—Composite web or sheet
- Y10T428/24331—Composite web or sheet including nonapertured component
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
【解決手段】第1の不織布と、ポリエチレンフィルムと、第2の不織布とをこの順で積層してなる積層シートであって、該ポリエチレンフィルムの厚さは5〜15μmの範囲内であり、該ポリエチレンフィルムは、第1および/または第2の不織布を構成する繊維が当接する部位およびその周辺において、該ポリエチレンフィルムを貫通する多数の気体通路を有し、そして該気体通路の横断面の直径は20μm以下であることを特徴とする、気体透過性積層シート。
【選択図】図1
Description
第1の不織布と、ポリエチレンフィルムと、第2の不織布とをこの順で積層してなる積層シートであって、
該ポリエチレンフィルムの厚さは5〜15μmの範囲内であり、
該ポリエチレンフィルムは、第1および/または第2の不織布を構成する繊維が当接する部位およびその周辺において、該ポリエチレンフィルムを貫通する多数の気体通路を有し、そして
該気体通路の横断面の直径は20μm以下であることを特徴とする、気体透過性積層シート、並びに
第1の不織布と、ポリエチレンフィルムと、第2の不織布とをこの順で積層し、得られた積層体を1方向またはそれ以上の方向に延伸してなる積層シートであって、
該ポリエチレンフィルムの厚さは5〜15μmの範囲内であり、
該ポリエチレンフィルムは、第1および/または第2の不織布を構成する繊維が当接する部位およびその周辺において、該ポリエチレンフィルムを貫通する多数の気体通路を有し、そして
該気体通路の横断面の直径は40μm以下であることを特徴とする、気体透過性積層シート
に関する。
フィルムとを積層した際に不織布を構成する繊維が柔軟なポリエチレンフィルム上に繊維痕を形成するが、該繊維はランダムに結合しているため場所によっては該繊維痕がポリエチレンフィルムを貫通してしまい、これにより生じた貫通孔により気体通路が形成される。従って該気体通路は、前記第1および/または第2の不織布を構成する繊維が前記ポリエチレンフィルムと当接する部位およびその周辺に存在する。
得られた気体透過性積層シートについて、不織布1を注意深く剥離してポリエチレンフィルム2のみを分離し、ポリエチレンフィルム2についてその表面状態を光学顕微鏡により観察した。
図2および図3から解るように、気体透過性積層シートに成形した後のポリエチレンフィルム2の表面には、不織布1の積層時に、不織布1を構成する繊維がポリエチレンフィルム2と当接する部位において多数の繊維痕3が形成され、そして繊維痕3の中およびその周辺に多数の貫通孔4が形成されている。貫通孔4の断面直径は平均で凡そ10〜15μmであり、実施例1の気体透過性積層シートが好ましい断面直径の気体通路を有することを示している。
得られた気体透過性積層シートについて、不織布を注意深く剥離してポリエチレンフィルムのみを分離し、ポリエチレンフィルムについてその表面状態を光学顕微鏡により観察した。
2 ポリエチレンフィルム
3 繊維痕
4 貫通孔
Claims (2)
- 第1の不織布と、ポリエチレンフィルムと、第2の不織布とをこの順で積層してなる積層シートであって、
該ポリエチレンフィルムの厚さは5〜15μmの範囲内であり、
該ポリエチレンフィルムは、第1および/または第2の不織布を構成する繊維が当接する部位およびその周辺において、該ポリエチレンフィルムを貫通する多数の気体通路を有し、そして
該気体通路の横断面の直径は20μm以下であることを特徴とする、気体透過性積層シート。 - 第1の不織布と、ポリエチレンフィルムと、第2の不織布とをこの順で積層し、得られた積層体を1方向またはそれ以上の方向に延伸してなる積層シートであって、
該ポリエチレンフィルムの厚さは5〜15μmの範囲内であり、
該ポリエチレンフィルムは、第1および/または第2の不織布を構成する繊維が当接する部位およびその周辺において、該ポリエチレンフィルムを貫通する多数の気体通路を有し、そして
該気体通路の横断面の直径は40μm以下であることを特徴とする、気体透過性積層シート。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005021491A JP2006205573A (ja) | 2005-01-28 | 2005-01-28 | 気体透過性積層シート |
US11/196,678 US20060172115A1 (en) | 2005-01-28 | 2005-08-04 | Gas-premeable laminated sheet |
CN2005100901865A CN1811037B (zh) | 2005-01-28 | 2005-08-11 | 气体透过性层压片 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005021491A JP2006205573A (ja) | 2005-01-28 | 2005-01-28 | 気体透過性積層シート |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006205573A true JP2006205573A (ja) | 2006-08-10 |
Family
ID=36756912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005021491A Pending JP2006205573A (ja) | 2005-01-28 | 2005-01-28 | 気体透過性積層シート |
Country Status (3)
Country | Link |
---|---|
US (1) | US20060172115A1 (ja) |
JP (1) | JP2006205573A (ja) |
CN (1) | CN1811037B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090045122A1 (en) * | 2007-08-17 | 2009-02-19 | Jun-Nan Lin | Fine bubble diffuser membrane for water and wastewater treatment |
CN113022050A (zh) * | 2019-12-09 | 2021-06-25 | 青岛美泰无纺布有限公司 | 一种纸巾无纺布 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05138786A (ja) * | 1991-11-21 | 1993-06-08 | Unitika Ltd | 積層シート及びその製造方法 |
JPH09156011A (ja) * | 1995-12-05 | 1997-06-17 | Mitsubishi Chem Corp | 積層体 |
JP2000179133A (ja) * | 1998-12-17 | 2000-06-27 | Okura Ind Co Ltd | 畳床被覆用透湿・防水シート |
JP2002316359A (ja) * | 2001-04-23 | 2002-10-29 | Mitsui Chemicals Inc | 多孔フィルム・不織布複合シート及びその製造方法 |
JP2003145697A (ja) * | 2001-11-12 | 2003-05-20 | Mitsui Chemicals Inc | 積層体及びそれを用いた作業服 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE392582B (sv) * | 1970-05-21 | 1977-04-04 | Gore & Ass | Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande |
US6037281A (en) * | 1996-12-27 | 2000-03-14 | Kimberly-Clark Worldwide, Inc. | Cloth-like, liquid-impervious, breathable composite barrier fabric |
US6506695B2 (en) * | 1998-04-21 | 2003-01-14 | Rheinische Kunststoffewerke Gmbh | Breathable composite and method therefor |
JP2001018311A (ja) * | 1999-07-12 | 2001-01-23 | Uni Charm Corp | 通気不透液性複合シート |
-
2005
- 2005-01-28 JP JP2005021491A patent/JP2006205573A/ja active Pending
- 2005-08-04 US US11/196,678 patent/US20060172115A1/en not_active Abandoned
- 2005-08-11 CN CN2005100901865A patent/CN1811037B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05138786A (ja) * | 1991-11-21 | 1993-06-08 | Unitika Ltd | 積層シート及びその製造方法 |
JPH09156011A (ja) * | 1995-12-05 | 1997-06-17 | Mitsubishi Chem Corp | 積層体 |
JP2000179133A (ja) * | 1998-12-17 | 2000-06-27 | Okura Ind Co Ltd | 畳床被覆用透湿・防水シート |
JP2002316359A (ja) * | 2001-04-23 | 2002-10-29 | Mitsui Chemicals Inc | 多孔フィルム・不織布複合シート及びその製造方法 |
JP2003145697A (ja) * | 2001-11-12 | 2003-05-20 | Mitsui Chemicals Inc | 積層体及びそれを用いた作業服 |
Also Published As
Publication number | Publication date |
---|---|
US20060172115A1 (en) | 2006-08-03 |
CN1811037B (zh) | 2011-12-14 |
CN1811037A (zh) | 2006-08-02 |
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