DE10017536A1 - Multilayer compound material of nonwoven and film layers - Google Patents

Multilayer compound material of nonwoven and film layers

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Publication number
DE10017536A1
DE10017536A1 DE10017536A DE10017536A DE10017536A1 DE 10017536 A1 DE10017536 A1 DE 10017536A1 DE 10017536 A DE10017536 A DE 10017536A DE 10017536 A DE10017536 A DE 10017536A DE 10017536 A1 DE10017536 A1 DE 10017536A1
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Germany
Prior art keywords
fibers
film
composite system
absorbent
medium
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Legal status (The legal status 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 status listed.)
Ceased
Application number
DE10017536A
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German (de)
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TAUCKE ELONA
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TAUCKE ELONA
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Priority to DE10017536A priority Critical patent/DE10017536A1/en
Publication of DE10017536A1 publication Critical patent/DE10017536A1/en
Ceased legal-status Critical Current

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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F13/15252—Properties of the article, e.g. stiffness or absorbency compostable or biodegradable
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/12—Deep-drawing
    • 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
    • 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
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • 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
    • D04H13/00—Other non-woven fabrics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
    • A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
    • A61F2013/51435—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film having flame retardant agent or fire extinguishing agent
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • 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
    • B32B2305/70—Scrap or recycled material
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2307/73—Hydrophobic

Abstract

The multilayer compound material consists of an absorbent nonwoven layer (1) and a film (2). A combination of fibers forms the absorbent nonwoven layer. The fibers are made of degradable polymer/copolymer together with other biodegradable polymer fibers and/or natural fibers or additives. The fibers are modified by natural starch and also by polyolefines and/or polyester/copolyester. They are formed into a nonwoven mat to be bonded mechanically by needling, or by heat, or by a bonding agent (2) or a combination of methods. The synthetic polymers are degraded by the addition of biological starch such as from turnips, sugar cane, corn, wheat, etc. The natural polymers, especially polyester, are degraded through starch, fermented starch products or bacteria, or by genetically modified plants such as potatoes or rape, especially as film fibrils or air laid fibers. They can be combined with other fiber types such as copolyamides and/or biological fibers such as jute, flax, cotton, viscose and the like, and/or degradable additives and/or films, to dissolve in water or for the complete compound material to rot. The compound material, with a nonwoven and a bonded film, has an absorbent nonwoven (1) at the upper side of the film or centrally between two films (3). The absorbent material is composed of a number of layers with different compositions, where super-absorbent fibers can be bonded into the structure to absorb and hold more liquid. The absorbent medium is a number of bonded nonwovens. A film is laminated to the upper side of the absorbent layer, and also the under side if required. It has a self-adhesive non-slip surface (4) or it has contact bonding strips (6) which can hold it to a carpet. It can also have perforations (5). The absorbent medium is composed of 100% regenerated fibers. The absorbent layer has a weight of 40-300 g/m<2>, and the film thickness is 20-200 m, and pref. 50 m. The compound material can be given a thermoplastic shaping, such as by deep drawing, through the integration of polyolefines.

Description

Die Erfindung bezieht sich auf ein Vlies, welches mit einer Feuchtigkeitssperre kurz (Sperrschicht) an der Ober- und/oder Unterseite versehen wird. Diese Sperrschicht kann z. B. aus biologisch abbaubaren Kunststoff oder aus einem Spezialpapier bestehen. Der Kunststoff kann durch Kaschieren oder Coextrudieren aufgetragen werden. Es entsteht somit ein mehrlagiges, biologisch abbaubares und kompostierbares Schutzsystem, ein sog. Vlies- und Folienverbundsystem. Durch die Verwendung bzw. den Einsatz geeigneter Vliese und Folien ist das gesamte Vlies- und Folienverbundsystem auch so zu gestalten, daß Sortenreinheit vorliegt.The invention relates to a fleece, which with a moisture barrier short (barrier layer) on the upper and / or bottom is provided. This barrier layer can e.g. B. made of biodegradable plastic or a special paper. The plastic can be applied by lamination or coextrusion. This creates a multi-layer, biodegradable and compostable protection system, a so-called fleece and Foil composite system. Through the use of suitable fleeces and foils, the whole is To design the fleece and film composite system so that there is a single product.

Bei verschiedenen Anlässen ist es zweckmäßig, Teppiche oder andere Auflagen auf harten oder auch weichen Böden zu fixieren. Generell ist hier die Reduzierung eines möglichen Unfallrisikos, also die Minderung der Gefahr des Ausrutschens zu nennen. Ferner ist bei Verwendung stärkerer Vliese eine spürbare Komfortverbesserung zu beobachten, da hier eine zusätzliche Dämpfung des Trittschalls erreicht wird.On various occasions it is useful to place carpets or other pads on hard or soft To fix floors. Generally, here is the reduction of a possible accident risk, i.e. the reduction of the danger of slipping. Furthermore, when using stronger nonwovens, there is a noticeable improvement in comfort observe, as an additional damping of the impact sound is achieved here.

Die bisher eingesetzten Mittel haben einige gravierende Nachteile:
The means used so far have some serious disadvantages:

  • a) Sie sind in der Regel nicht biologisch abbaubar und z. T. verhältnismäßig aufwendig zu fertigena) They are usually not biodegradable and z. T. relatively expensive to manufacture
  • b) Sie sind z. T. sogar sog. Verbundwerkstoffe, die als Sondermüll entsorgt werden müssen!b) You are e.g. Sometimes even so-called composite materials that have to be disposed of as special waste!
  • c) Sie wirken unterschiedlich gegen harte und weiche Bödenc) They work differently against hard and soft floors

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein mehrlagiges, biologisch abbaubares und/oder kompostierbares und/oder sortenreines Vlies-Folienverbundsystem zur Fixierung vom Textilien oder textilen Bodenbelägen zu schaffen.The present invention is therefore based on the object of a multilayer, biodegradable and / or compostable and / or single-grade non-woven film composite system for fixing textiles or textiles To create flooring.

Claims (10)

1. Mehrlagiges Vlies-Folienverbundsystem, dadurch gekennzeichnet, daß die Folie an der Unterseite und/oder Oberseite des Verbundsystemes rutschhemmend (4) bzw. selbstklebend ausgestattet ist oder aber mit sogenannten Klettverschlüssen (6) partiell ausgestattet werden kann, um dieses Verbundsystem sowohl an glatten, harten als auch an fasrigen Werkstoffen, wie z. B. an Teppichen, zu befestigen und daß das Vlies (1) (kurz: Medium) und die Folie (3) z. T. aus der gleichen Werkstoffgruppe stammen, also Sortenreinheit vorliegt, und/oder das Faservlies bzw. die Folie mindestens eine aus oder durch enthaltene und/oder fermentierter Stärke abbaubare Polymer/Copolymer Fasertype A, auch in Kombination mit mehreren, auch verschiedenen Sorten biologisch abbaubarer Polymerfasern und/oder Naturfasern oder Zuschlagstoffen B, vorwiegend für den Einsatz im KfZ-Innenbereich, Verpackungs-, Medizin, Filtrations- Architektur-, Hausbau-, und Hygienebereich, dadurch gekennzeichnet, daß es sich bei den Fasern Type A um natürliche oder mit synthetischen Polymeren modifizierte natürliche Polymere handelt und/oder synthetische Polymerfasern, welche durch biologische Stärke modifiziert wurden, insbesondere solche aus Polyolefinen und/oder Polyester/Copolyester, welche als Vlies mechanisch, durch z. B. vernadeln, oder thermisch, oder durch Binder (2), oder einer Mischung aller dieser Möglichkeiten verfestigt werden, wobei die biologische Abbaubarkeit der Fasern aus synthetischen Polymeren durch Zusatz von biologischer Stärke, z. B. aus Rüben, Zuckerrohr, Mais, Weizen etc. beruht, und die aus natürlichen Polymeren, insbesondere bei Polyester, vorwiegend z. B. aus Stärke, fermentierten Stärkeprodukten, oder über Bakterienstämme modifizierten oder gentechnisch behandelten Pflanzen, wie Kartoffeln, Raps etc. gewonnen werden können, und diese besonderen Fasern, vorwiegend aus einer Folie, durch z. B. Fibrillieren hergestellt werden, aber auch aus gesponnenen oder luftgelegten (air laid) Fasern bestehen können, und auch in Verbindung mit anderen abbaubaren Polymerfasern Type B, z. B. Copolyamiden und­ /oder biologischen Fasern, wie Jute, Flachs, Baumwolle, Viscose etc. und/oder abbaubaren Zuschlagstoffen und/oder abbaubaren Folien, ein Auflösen in Wasser oder ein Verrotten des Faservlieses oder des kompletten Verbundsystemes, zuläßt. 1. Multi-layer non-woven film composite system, characterized in that the film on the underside and / or top of the composite system is equipped with anti-slip ( 4 ) or self-adhesive or can be partially equipped with so-called Velcro fasteners ( 6 ) to make this composite system both smooth , hard as well as fibrous materials, such as. B. attached to carpets and that the fleece ( 1 ) (short: medium) and the film ( 3 ) z. T. come from the same group of materials, that is, there is grade, and / or the nonwoven fabric or the film has at least one polymer / copolymer fiber type A that can be degraded from or by contained and / or fermented starch, also in combination with several, also different, types of biodegradable Polymer fibers and / or natural fibers or additives B, predominantly for use in automotive interiors, packaging, medicine, filtration, architecture, house building and hygiene, characterized in that the fibers of type A are natural or synthetic Polymers modified natural polymers and / or synthetic polymer fibers which have been modified by biological starch, in particular those made of polyolefins and / or polyester / copolyesters, which as a nonwoven mechanically, by z. B. needling, or thermally, or solidified by binder ( 2 ), or a mixture of all these possibilities, the biodegradability of the fibers from synthetic polymers by adding biological starch, for. B. from beets, sugar cane, corn, wheat, etc., and which are made of natural polymers, especially polyester, mainly z. B. from starch, fermented starch products, or modified via bacterial strains or genetically treated plants, such as potatoes, rapeseed, etc., and these special fibers, mainly from a film, by z. B. fibrillation can be made, but can also consist of spun or air laid (air laid) fibers, and also in conjunction with other degradable polymer fibers type B, z. B. copolyamides and / or biological fibers such as jute, flax, cotton, viscose etc. and / or degradable additives and / or degradable films, dissolving in water or rotting of the nonwoven fabric or the entire composite system. 2. Verbundsystem nach Anspruch 1, dadurch gekennzeichnet, daß das Vlies (1) (sog. Medium) aus biologischen Fasern, die durchaus auch hydrophobisiert sein dürfen, wie Hanf, Jute, Flachs, Baumwolle, Viscose, Zellstoff, Kork etc. und der hydrophoben Sperrschicht (3), die aus ähnlichen Fasern oder einem Papier besteht, welches z. B. mittels spezieller Borate, oder anderer Techniken wie z. B. mittels atmosphärischem Plasma hydrophobisiert und mit Flammschutz oder sog. Bioflammschutz (z. B. mittels Soda) versehen, sowie gegen Schädlings- und Pilzbefall ausgestattet wird und vorwiegend für den Einsatz im, Kfz -Innen- und Karrosseriebereich, im Verpackungs-, Architektur-, Hausbau-, Medizin-, Filtrations- und Hygienebereich bestimmt ist.2. Composite system according to claim 1, characterized in that the fleece ( 1 ) (so-called. Medium) made of biological fibers, which may also be made hydrophobic, such as hemp, jute, flax, cotton, viscose, cellulose, cork etc. and the hydrophobic barrier layer ( 3 ), which consists of similar fibers or a paper which, for. B. by means of special borates, or other techniques such. B. is hydrophobized by means of atmospheric plasma and provided with flame retardant or so-called bio-flame retardant (e.g. using soda), and is equipped to protect against pests and fungi and is primarily for use in automotive interiors and bodywork, packaging and architecture -, house building, medicine, filtration and hygiene area is determined. 3. Verbundsystem nach Anspruch 1 bis 2, gekennzeichnet dadurch, daß das Vlies (1) (Medium) an der Oberseite oder aber mittig zwischen den Folien (3) angeordnet sein kann und daß dieses Medium aus mehreren unterschiedlich zusammengesetzten Schichten bestehen kann und daß in diesen Schichten Hohlräume entstehen bzw. vorhanden sind.3. Composite system according to claim 1 to 2, characterized in that the fleece ( 1 ) (medium) can be arranged on the top or in the middle between the foils ( 3 ) and that this medium can consist of several differently composed layers and that in voids are created or exist in these layers. 4. Verbundsystem nach Anspruch 1 bis 3, gekennzeichnet dadurch, daß das Medium aus mehreren miteinander verbundenen Faservliesen, nach einem der vorherigen Ansprüche besteht.4. A composite system according to claim 1 to 3, characterized in that the medium consists of several interconnected non-woven fabrics, according to one of the preceding claims. 5. Verbundsystem nach Anspruch 1 bis 4, gekennzeichnet dadurch, daß sowohl an der Oberseite, als auch an der Unterseite des Mediums eine Folie aufkaschiert bzw. auflaminiert oder coextrudiert ist, die z. T. oder auch ganzflächig eine Perforation (5) vorzuweisen hat.5. Composite system according to claim 1 to 4, characterized in that a film is laminated or laminated or coextruded both on the top and on the bottom of the medium, the z. T. or has a perforation ( 5 ) over the entire surface. 6. Verbundsystem nach Anspruch 1 bis 5, gekennzeichnet dadurch, daß die Faseln des Mediums zu 100% aus Regeneratfasern sein können. 6. Compound system according to claim 1 to 5, characterized in that the fibers of the medium to 100% can be made from regenerated fibers.   7. Verbundsystem nach Anspruch 1 bis 6, gekennzeichnet dadurch, daß das Flächengewicht des Mediums frei wählbar ist, üblicherweise liegen diese aber zwischen 20 g/qm und 800 g/qm; die Dicke der Folie liegt üblicherweise zwischen 20 µm und 200 µm, vorzugsweise jedoch zwischen 20 µm und 50 µm.7. Compound system according to claim 1 to 6, characterized in that the basis weight of the medium is freely selectable, but usually this is between 20 g / qm and 800 g / qm; the thickness of the film is usually between 20 µm and 200 µm, but preferably between 20 µm and 50 µm. 8. Verbundsystem nach Anspruch 1 bis 7, gekennzeichnet dadurch, daß sich das Verbundsystem durch die Integration von Polyolefinen thermoplastisch verformen läßt, wie es z. B. beim Tiefziehen der Fall ist.8. A composite system according to claim 1 to 7, characterized in that the composite system by Integration of polyolefins can be deformed thermoplastic, as z. B. is the case in deep drawing. 9. Verbundsystem nach Anspruch 1 bis 8, gekennzeichnet dadurch, daß die Fasern der Folie zu 100% aus Regeneratfasern sein können.9. Composite system according to claim 1 to 8, characterized in that the fibers of the film from 100% Regenerate fibers can be. 10. Verbundsystem nach Anspruch 1 bis 9, gekennzeichnet dadurch, daß die Fasern der Papiere zu 100% aus Regeneratfasern sein können.10. Composite system according to claim 1 to 9, characterized in that the fibers of the papers to 100% can be made from regenerated fibers.
DE10017536A 1999-05-27 2000-03-27 Multilayer compound material of nonwoven and film layers Ceased DE10017536A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10017536A DE10017536A1 (en) 1999-05-27 2000-03-27 Multilayer compound material of nonwoven and film layers

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Application Number Priority Date Filing Date Title
DE29909306U DE29909306U1 (en) 1999-05-27 1999-05-27 Non-woven film composite system
DE10017536A DE10017536A1 (en) 1999-05-27 2000-03-27 Multilayer compound material of nonwoven and film layers

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DE29909306U Expired - Lifetime DE29909306U1 (en) 1999-05-27 1999-05-27 Non-woven film composite system
DE19954779A Withdrawn DE19954779A1 (en) 1999-05-27 1999-11-10 Multilayer compound material of nonwoven and film layers
DE10017536A Ceased DE10017536A1 (en) 1999-05-27 2000-03-27 Multilayer compound material of nonwoven and film layers

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DE19954779A Withdrawn DE19954779A1 (en) 1999-05-27 1999-11-10 Multilayer compound material of nonwoven and film layers

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TWI403417B (en) * 2009-10-19 2013-08-01 Asustek Comp Inc Bamboo film structure
CN111988987A (en) * 2018-04-19 2020-11-24 3M创新有限公司 Biodegradable layered composite material

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EP1547839A1 (en) * 2003-12-23 2005-06-29 Oertel GmbH Nonwoven composite fabric and process for making same
DE102004011287A1 (en) 2004-03-09 2005-09-22 Kalle Gmbh Soundproofing element of at least two layers, method of its flame retardant equipment and its use
AT503351B1 (en) * 2006-02-20 2015-04-15 Greiner Perfoam Gmbh LAYER BODY
AU2007359222A1 (en) * 2007-09-19 2009-03-26 Senevens International Ltd Non-woven biodegradable hygiene product
ITRM20100023A1 (en) * 2010-01-26 2011-07-27 Ester Coppola TEXTILE MATERIAL AT HIGH PERFORMANCE FOR THE AGRICULTURAL SECTOR
CN104988808B (en) * 2015-05-28 2017-01-11 句容市茂源织造厂 Natural moistureproof degradable food packaging paper and preparation method thereof
CN212426371U (en) * 2019-11-22 2021-01-29 深圳市棉芯科技有限公司 Preparation equipment for glue-free acupuncture absorption core body

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TWI403417B (en) * 2009-10-19 2013-08-01 Asustek Comp Inc Bamboo film structure
CN111988987A (en) * 2018-04-19 2020-11-24 3M创新有限公司 Biodegradable layered composite material

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