WO2002094555A1 - Lamine, procede de production du lamine et vetement contenant ce lamine - Google Patents

Lamine, procede de production du lamine et vetement contenant ce lamine Download PDF

Info

Publication number
WO2002094555A1
WO2002094555A1 PCT/EP2002/004551 EP0204551W WO02094555A1 WO 2002094555 A1 WO2002094555 A1 WO 2002094555A1 EP 0204551 W EP0204551 W EP 0204551W WO 02094555 A1 WO02094555 A1 WO 02094555A1
Authority
WO
WIPO (PCT)
Prior art keywords
laminate
layer
crosslinking
cellulosic
cellulosic layer
Prior art date
Application number
PCT/EP2002/004551
Other languages
German (de)
English (en)
Inventor
Christian Peter Norhausen
Michael Diamantoglou
Original Assignee
Membrana Gmbh
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 Membrana Gmbh filed Critical Membrana Gmbh
Publication of WO2002094555A1 publication Critical patent/WO2002094555A1/fr

Links

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
    • B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
    • B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/10—Impermeable to liquids, e.g. waterproof; Liquid-repellent
    • A41D31/102—Waterproof and breathable
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D5/00—Composition of materials for coverings or clothing affording protection against harmful chemical agents
    • 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
    • B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
    • B32B23/10—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose 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
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
    • 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
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • B32B5/18—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 features of a layer of foamed 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B2038/0052—Other operations not otherwise provided for
    • B32B2038/0076—Curing, vulcanising, cross-linking
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2371/00—Polyethers, e.g. PEEK, i.e. polyether-etherketone; PEK, i.e. polyetherketone
    • 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
    • B32B2375/00—Polyureas; Polyurethanes
    • 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
    • B32B2437/02—Gloves, shoes
    • 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
    • B32B2437/04—Caps, helmets

Definitions

  • Laminate process for its manufacture and the laminate containing it
  • the present invention relates to a laminate, a process for its production and articles of clothing containing the laminate.
  • US 5743775 describes a laminate for the retention of organic vapors, aerosols and biological agents.
  • the laminate is permeable to water vapor and comprises at least three layers, at least one layer being a cellulosic barrier layer on which a water vapor permeable but waterproof layer, i.e. a breathable layer that is laminated.
  • a disadvantage of this laminate is that when the laminate is washed under normal household conditions and then dried, wrinkling and partial delamination of the cellulosic layer from the breathable layer or even tearing of the cellulosic layer occurs.
  • the object of the present invention is to provide a laminate and method for its production, whereby the disadvantages mentioned are at least significantly reduced.
  • a laminate at least comprising a crosslinked cellulosic layer which contains a pore former and a waterproof, water vapor-permeable functional layer.
  • Suitable pore formers which are contained in the cellulosic layer of the laminate according to the invention, are all pore formers known for cellulosic layers, such as e.g. Glycerin or polyethylene glycol, where the substances just mentioned also have a plasticizing function.
  • the cellulosic layer of the laminate according to the invention is preferably laminated on both sides with a functional layer.
  • the functional layer of the laminate according to the invention is laminated with a textile fabric, e.g. on the side facing away from the cellulosic layer.
  • the textile fabric is e.g. from a lining material made of the fibers known for lining materials, such as polyester fibers.
  • the cellulosic layer of the laminate of the invention is a cellulose film, for example a commercially available from Membrana GmbH under the name ® Cuprophan cellulose membrane microns with a thickness of, for example, 80th
  • the laminate according to the invention contains a crosslinked cellulosic layer, ie a layer in which cellulosic polymer chains are connected to one another.
  • a crosslinked cellulosic layer ie a layer in which cellulosic polymer chains are connected to one another.
  • the laminate according to the invention can be cellulosic chains contain, which are connected directly, ie by condensation of functional groups in neighboring cellulosic chains.
  • Preferred according to the invention because it is easy to implement, however, is a laminate whose crosslinked cellulosic layer contains a crosslinking agent which covalently connects cellulose chains in the cellulosic layer by means of at least two functional groups, the functional groups being particularly preferably from the group of aldehydes, ketones, Urea, epoxies, alcohols or isocyanates are selected.
  • the laminate according to the invention contains a catalyst used for crosslinking, such as MgCl 2 .
  • the water-vapor-permeable, waterproof functional layer of the laminate according to the invention can in principle be constructed from any material which, via the combination of properties mentioned, i.e. has breathability.
  • the functional layer of the laminate according to the invention is preferably a polyether ester, polyether amide or polyurethane, because these polymers are distinguished by a particularly high degree of breathability.
  • the object is further achieved by a method for producing a laminate as described above, comprising the steps a) swelling a cellulosic layer with a treatment agent which contains at least water and a crosslinking agent, b) removing excess treatment agent from the swollen cellulosic layer, c ) Crosslinking the cellulosic layer swollen with the treatment agent and d) laminating the crosslinked cellulosic layer with at least one waterproof, water vapor permeable functional layer.
  • pore formers known for cellulosic layers such as, for example, are suitable as pore formers which are contained in the cellulosic layer according to the invention Glycerin or polyethylene glycol, where the substances just mentioned also have a plasticizing function.
  • the swelling of the cellulosic layer in step a) in a treatment agent which contains at least water and a crosslinking agent facilitates the diffusion of the crosslinking agent into the cellulosic layer, the water acting to accelerate the diffusion.
  • the treatment agent used in step a) may contain pore formers and plasticizers, such as e.g. Glycerin or polyethylene glycol, which counteract the diffusion of the pore formers and plasticizers from the cellulosic layer.
  • the swelling of the cellulosic layer in step a) can in principle be carried out using any method which enables the crosslinking agent to diffuse into the cellulosic layer, e.g. by immersing the cellulose layer in the treatment agent or by spraying the cellulose layer with the treatment agent or by passing the cellulose layer over a roller on which a film of the treatment agent is located.
  • the cellulosic film a cellulose film, a micron available from Membrana GmbH under the name ® Cuprophan cellulose membrane with a thickness of, for example, 80th
  • a molecule is preferably selected as the crosslinker which has at least two functional groups which can crosslink cellulosic chains or cellulose chains, functional groups consisting of the group of epoxides, alcohols, aldehydes, ketones, ureas or Isocyanates are selected, are particularly preferred, and the latter are particularly preferably used in blocked form, because in this form they survive the swelling carried out in step a) of the process according to the invention in an aqueous treatment agent without damage.
  • crosslinkers selected from the group of epoxides are bispoxides, such as ethylene glycol diglycidyl ether, which is available under the name DENACOL EX-810 from NAGASE CHEMICALS LTD, or molecules which have epoxy and alcohol groups, such as sorbitol polyglycidyl ether , which is also available under the name DENACOL EX-611 from NAGASE CHEMICALS LTD.
  • crosslinkers selected from the group of alcohols are hydroxy-functionalized cyclic urea derivatives such as N-methyloldihydroxyethylene urea, which is available under the name Arkofix NDS from Clariant, or dimethyldihydroxyethylene urea, also under the name Arkofix NZF from Clariant is available.
  • crosslinkers selected from the group of isocyanates are, in particular, blocked isocyanates such as the compounds BAYPRET CA 40 175 available from BAYER, a bisulfide-blocked isocyanate or BAYGARD 40 140, which has been marketed since 1999 under the name BAYGARD EDW and a represents oxime-blocked triisocyanate.
  • the BAYGARD crosslinkers have the particular advantage that their use in the process according to the invention leads to laminates in which wrinkling or delamination of the cellulosic layer from the breathable layer or tearing of the cellulosic layer is practically no longer observed.
  • the BAYPRET and BAYGARD crosslinkers also have the advantage that they can be used as a result of their high reactivity in the process according to the invention without a crosslinking catalyst.
  • a crosslinking catalyst such as MgCl 2 , is preferably added to the treatment agent in step a).
  • step a) of the process according to the invention takes place within a few seconds to about 10 minutes at room temperature, that is, rather quickly, so that swelling is preferably carried out in this temperature range.
  • the crosslinking taking place in step d) of the process according to the invention takes place at a temperature which, depending on the crosslinking agent and catalyst used, leads on the one hand to a sufficiently rapid crosslinking rate but on the other hand does not thermally degrade the cellulosic layer.
  • Crosslinking can thus be carried out in a wide temperature range in the process according to the invention.
  • the crosslinking is preferably carried out at a temperature in the range from room temperature to about 140 ° C.
  • the times in which the crosslinking takes place are in a wide range.
  • the crosslinking is preferably carried out within about 1 minute to about 2 hours.
  • the crosslinked cellulosic layer is laminated with a waterproof, water vapor-permeable, ie with a breathable functional layer, a functional layer preferably being selected from a polyether ester, polyether amide or polyurethane, because these polymers are distinguished by a particularly high breathability.
  • the lamination can be done, for example, by gluing the cellulosic layer to the functional layer point by point.
  • the crosslinked cellulosic layer is dried, if it has not already dried during the crosslinking.
  • the object is achieved by a method for producing a laminate at least comprising a cellulosic layer which contains a pore former, and a waterproof, water vapor-permeable functional layer comprising the steps a) laminating a cellulosic layer which contains a pore former with at least one watertight, water vapor permeable Functional layer, whereby a starting laminate is obtained, b) swelling of the starting laminate with a treatment agent containing water and a crosslinking agent, c) removal of excess treatment agent from the starting laminate and d) crosslinking of the cellulosic layer of the starting laminate.
  • the cellulosic layer the pore former, the functional layer, the swelling, the treatment agent, the crosslinking agent and the crosslinking, since the essential difference from the previously described method according to the invention is only that a starting laminate consisting of a cellulosic layer and a waterproof, water vapor-permeable, ie a breathable functional layer is used, which preferably consists of a polyether ester, polyether amide or polyurethane for the reasons already mentioned.
  • Articles of clothing which contain a laminate according to the invention or a laminate produced by one of the methods according to the invention are suitable as water vapor-permeable protection against toxic vapors, aerosols and biological active substances.
  • Preferred embodiments of the items of clothing according to the invention are work clothing, protective work clothing, military protective clothing, gloves, work shoes, headgear and tracksuits.
  • the evaluation of the tendency of the laminates according to the invention to crease, delaminate or tear during washing and drying is carried out according to the following evaluation, reference being made to a laminate which differs from the laminate according to the invention only in that the cellulosic layer is not treated according to the invention.
  • +++ means no wrinkling, delamination and tearing of the cellulosic layer.
  • a Cuprophan membrane with a thickness of 80 ⁇ m from Membrana GmbH is swollen in a treatment agent which consists of H 2 O, glycerol, Denacol EX-810 and NaOH with the parts by weight given in Table 1.
  • the membrane is then crosslinked with the values of temperature T and time t likewise given in Table 1.
  • Laminates with a breathable functional layer produced with the treated cellulose membranes from Table 1 show, after washing and drying, a significantly increased resistance to wrinkling, delamination or tearing of the Cuprophan membrane in comparison to laminates, which were produced under the same conditions but with an untreated Cuprophan membrane become.
  • a Cuprophan membrane with a thickness of 80 ⁇ m from Membrana GmbH is swollen in a treatment agent consisting of H 2 O, Arcofix NDS and MgCl 2 with the parts by weight given in Table 2.
  • the membrane is then crosslinked with the values of temperature T and time t likewise given in Table 2.
  • a laminate with a breathable functional layer produced with the treated cellulose membrane of test number 8 from Table 2 shows, after washing and drying, a significantly increased resistance to wrinkling, delamination or tearing of the Cuprophan membrane as a laminate, but under the same conditions but with an untreated Cuprophan Membrane was manufactured.
  • a laminate that was produced with a Cuprophan membrane according to test number 10 from Table 2 shows hardly any tendency to wrinkle, delaminate or tear the Cuprophan membrane.
  • a laminate that was produced with a Cuprophan membrane according to test number 9 from Table 2 shows no wrinkling, delamination or tearing of the Cuprophan membrane.
  • a Cuprophan membrane with a thickness of 80 ⁇ m from Membrana GmbH is swollen in a treatment agent consisting of H 2 0, Arcofix NZF and MgCl 2 with the parts by weight given in Table 3.
  • the membrane is then crosslinked with the values of temperature T and time t likewise given in Table 3.
  • Laminates which are produced with the treated cellulose membranes from Table 3 and with a breathable functional layer, show a significantly increased resistance to wrinkling, delamination or tearing of the Cuprophan membrane after washing and drying in comparison to laminates which, under the same conditions but with a untreated cuprophan membrane.
  • a Cuprophan membrane with a thickness of 80 ⁇ m from Membrana GmbH is swollen in a treatment agent consisting of H 2 0 and BAYPRET CA 40175 with the parts by weight given in Table 4.
  • the membrane is then crosslinked with the values of temperature T and time t likewise given in Table 4.
  • Laminates made with the treated cellulose membranes of Table 4 and with a breathable functional layer show after washing and Drying significantly increased resistance to wrinkling, delamination or tearing of the Cuprophan membrane compared to laminates, which were produced under the same conditions but with an untreated Cuprophan membrane.
  • a Cuprophan membrane with a thickness of 80 ⁇ m from Membrana GmbH is swollen in a treatment agent consisting of H 2 0 and BAYGARD CA 40140 with the parts by weight given in Table 5.
  • the membrane is then crosslinked with the values of temperature T and time t likewise given in Table 5.
  • Laminates which are produced with a treated cellulose membrane from Table 5 and with a breathable functional layer do not show any wrinkling, delamination or tearing of the Cuprophan membrane after washing and drying.
  • a Cuprophan membrane with a thickness of 80 ⁇ m from Membrana GmbH is swollen in a treatment agent which consists of H 2 O, polyethylene glycol with an average molecular weight of 4000 (PEG 4000) and BAYGARD EDW with the parts by weight given in Table 6.
  • the membrane is then crosslinked with the values of temperature T and time t likewise given in Table 6.
  • Laminates with a breathable functional layer and with Cuprophan membrane No. 16 or 17 from Table 6 hardly show any wrinkling, delamination or tearing of the Cuprophan membrane after washing and drying.
  • Laminates which are produced with a breathable functional layer and with Cuprophan membrane No. 18 or 19 from Table 6 do not show any wrinkling, delamination or tearing of the Cuprophan membrane after washing and drying.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un laminé comprenant au moins une couche cellulosique réticulée, qui contient un agent porogène, et une couche fonctionnelle étanche à l'eau mais perméable à la vapeur d'eau. Après rinçage et séchage, ce laminé présente un plissement ou décollement interlaminaire sensiblement réduit ou plus du tout perceptible entre la couche cellulosique et la couche fonctionnelle.
PCT/EP2002/004551 2001-05-22 2002-04-25 Lamine, procede de production du lamine et vetement contenant ce lamine WO2002094555A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01112444.3 2001-05-22
EP01112444 2001-05-22

Publications (1)

Publication Number Publication Date
WO2002094555A1 true WO2002094555A1 (fr) 2002-11-28

Family

ID=8177505

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/004551 WO2002094555A1 (fr) 2001-05-22 2002-04-25 Lamine, procede de production du lamine et vetement contenant ce lamine

Country Status (1)

Country Link
WO (1) WO2002094555A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63126504A (ja) * 1986-11-17 1988-05-30 Agency Of Ind Science & Technol スルホン化多糖架橋複合膜
EP0272842A2 (fr) * 1986-12-23 1988-06-29 Pall Corporation Membranes filtrantes
US4943475A (en) * 1986-07-23 1990-07-24 Membrane Technology & Research, Inc. Multilayer composite protective fabric material and use in protective clothing
JPH03295685A (ja) * 1990-04-13 1991-12-26 Fuji Photo Film Co Ltd 熱転写受像材料
DE19518247A1 (de) * 1995-05-18 1996-11-21 Stoess & Co Gelatine Wasserresistentes Barrierematerial
DE19603420C1 (de) * 1996-01-31 1997-05-22 Geesthacht Gkss Forschung Kompositmembran aus einer insbesondere mikroporösen Trägermembran

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943475A (en) * 1986-07-23 1990-07-24 Membrane Technology & Research, Inc. Multilayer composite protective fabric material and use in protective clothing
JPS63126504A (ja) * 1986-11-17 1988-05-30 Agency Of Ind Science & Technol スルホン化多糖架橋複合膜
EP0272842A2 (fr) * 1986-12-23 1988-06-29 Pall Corporation Membranes filtrantes
JPH03295685A (ja) * 1990-04-13 1991-12-26 Fuji Photo Film Co Ltd 熱転写受像材料
DE19518247A1 (de) * 1995-05-18 1996-11-21 Stoess & Co Gelatine Wasserresistentes Barrierematerial
DE19603420C1 (de) * 1996-01-31 1997-05-22 Geesthacht Gkss Forschung Kompositmembran aus einer insbesondere mikroporösen Trägermembran

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 199207, Derwent World Patents Index; Class A89, AN 1992-052696, XP002180840 *
PATENT ABSTRACTS OF JAPAN vol. 012, no. 373 (C - 534) 6 October 1988 (1988-10-06) *

Similar Documents

Publication Publication Date Title
EP0827451B1 (fr) Stratifie pour retenir les vapeurs organiques, les aerosols et les substances actives biologiques
DE2931125C2 (de) Verfahren zur Herstellung eines mit Polyurethan imprägnierten faserigen porösen Bahnmaterials
DE1110607B (de) Verfahren zur Herstellung mikroporoeser Folien bzw. UEberzuege, insbesondere von wasserdampfdurchlaessigem Kunstleder
DE60026657T2 (de) Wasserdampfdurchlässiges und wasserabweisendes Gewebe
EP0196309B1 (fr) Procede d'obtention d'un appret textile resistant au lavage et au nettoyage compose d'au moins (co)polymeres et/ou des precondensats reactifs contenant des radicaux perfluoriques
DE1619013A1 (de) Verfahren zum Verfestigen von aus Fasern aufgebautem,insbesondere blattfoermigem Material
EP3291986B1 (fr) Procédé de production de matériaux composites
EP3672797B1 (fr) Preparation de materiaux composites a partir d'un film, d'un polymere adhesif solide et d'une couche de polyurethane
DE69927185T2 (de) Wasserdampfdurchlässiges, wasserdichtes material und verfahren zu dessen herstellung
DE1956605A1 (de) Heisssiegelbarer Einlagenstoff und Verfahren zu dessen Herstellung
EP3697958B1 (fr) Procédé de fabrication d'un article textile ayant une surface textile hydrophobisée par traitement plasma et un traitement chimique au mouillé
WO2002094555A1 (fr) Lamine, procede de production du lamine et vetement contenant ce lamine
WO2017211702A1 (fr) Nouveaux procédés de fabrication de matériaux composites
DE60207361T2 (de) Wasserdampfdurchlässiges und wasserundurchlässiges verbundgewebe, dieses enthaltender wasserundurchlässiger gegenstand sowie verfahren zur herstellung desselben
DE10240548B4 (de) Adsorptionsmaterial, Verfahren zu seiner Herstellung und seine Verwendung
DE2136558A1 (fr)
DE1469582C3 (fr)
DE2253926C3 (de) Verfahren zur Herstellung von kunstlederartigen dünnwandigen Gebilden auf PVC-Basis
DE2535593A1 (de) Verfahren zur herstellung eines flaechengebildes mit ueber die flaeche unterschiedlichem versteifungsgrad
DE2538092C3 (de) Verfahren zur strahlenchemischen Veredlung von textlien Fasern bzw. den daraus hergestellten Flächengebilden
DE2502655C3 (de) Syntheseleder-Basismaterial
AT259512B (de) Verfahren zur Veredlung textiler Flächengebilde, insbesondere zur Erzielung permanenter Versteifungseffekte
DE2416891A1 (de) Verfahren zur herstellung eines weichgemachten formkoerpers auf basis von cellulosederivaten
DE102021124437A1 (de) Hydrophobierung und antimikrobielle Ausrüstung von Textilien aus Kunststofffasern mit Betulin
DE1419147C (fr)

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Country of ref document: JP