EP0827557A1 - Corps fa onnes recouverts, impregnes ou enrobes d'une composition cellulosique - Google Patents

Corps fa onnes recouverts, impregnes ou enrobes d'une composition cellulosique

Info

Publication number
EP0827557A1
EP0827557A1 EP96916127A EP96916127A EP0827557A1 EP 0827557 A1 EP0827557 A1 EP 0827557A1 EP 96916127 A EP96916127 A EP 96916127A EP 96916127 A EP96916127 A EP 96916127A EP 0827557 A1 EP0827557 A1 EP 0827557A1
Authority
EP
European Patent Office
Prior art keywords
coating
moldings
cellulose
shaped bodies
solution
Prior art date
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.)
Withdrawn
Application number
EP96916127A
Other languages
German (de)
English (en)
Inventor
Abdulmajid Hashemzadeh
Jürgen Pitowski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Membrana GmbH
Original Assignee
Akzo Nobel NV
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 Akzo Nobel NV filed Critical Akzo Nobel NV
Publication of EP0827557A1 publication Critical patent/EP0827557A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/10—Processes in which the treating agent is dissolved or dispersed in organic solvents; Processes for the recovery of organic solvents thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, e.g. by ultrasonic waves, corona discharge, irradiation, electric currents or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/02—Sonic or ultrasonic waves; Corona discharge
    • D06M10/025—Corona discharge or low temperature plasma
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
    • D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03—Polysaccharides or derivatives thereof
    • D06M15/05—Cellulose or derivatives thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/34—Polyamides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2400/00—Specific information on the treatment or the process itself not provided in D06M23/00-D06M23/18
    • D06M2400/01—Creating covalent bondings between the treating agent and the fibre

Definitions

  • the invention relates to a method for coating, impregnating or enveloping moldings such as fibers, threads, yarns, fabrics, nonwovens, knitted fabrics, laid fabrics, films, foils, membranes, paper and the like. with a cellulosic composition, molded articles treated in this way and the use thereof.
  • linear moldings such as fibers, threads, yarns or textile fabrics which are to be used for clothing or technical uses, and also foils, membranes, paper and the like. to coat, impregnate or coat in order to impart certain properties to the moldings.
  • the corresponding shaped bodies can be treated with hydrophobic agents in order to make them water-repellent.
  • the areas of application are very numerous. In this way, one can also change the electrostatic behavior, make it hydrophilic, influence the dyeability, change the resistance to rubbing or rubbing, in short, the possibilities of coating the properties of a body influence, which consists of a certain material, are very diverse.
  • the moldings can also consist of a wide variety of materials, and of course there are countless compositions that can be used for coating, impregnating or coating.
  • Silicones which u.a. can serve as a coating agent for textile fabrics.
  • DE-OS 2.059.373 describes a process for coating textiles in which the textile fabric is treated with a solution or dispersion which contains an epoxy compound and a thio compound such as thiourea and a highly polymeric compound.
  • a solution or dispersion which contains an epoxy compound and a thio compound such as thiourea and a highly polymeric compound.
  • synthetic compounds such as polyvinyl chloride, polyacrylonitrile, polyester, polysulfones, polyethers, polymers based on butadiene / styrene etc.
  • a large number of natural high polymers such as egg albumin, globulin, casein and polysaccharides such as cellulose, starch, chitin derivatives
  • natural rubber can also be used as natural high polymers according to the teaching of DE-OS 2.059.373.
  • nylon fibers can be coated with viscose solutions, ie cellulose xanthate solutions, the cellulose having to be regenerated by treatment with dilute sulfuric acid, which is known from the known environment problems.
  • the substances applied to the shaped bodies generally remain connected to the shaped bodies and, when the shaped body is no longer used, are to be disposed of with the material from which the shaped body is made. This gives rise to the well-known problems during reprocessing, which are particularly noticeable in environmental pollution or which require complicated recovery processes.
  • the object of the invention is therefore to provide a method which itself already works in an environmentally friendly manner and which leads to coatings, impregnations or wrappings of moldings which do not cause any serious problems in the recovery of the moldings, which adhere well to the moldings and with which you can influence the properties of moldings in various directions.
  • This object is achieved by a method for coating, impregnating or enveloping moldings such as fibers, threads, yarns, fabrics, nonwovens, knitted fabrics, laid fabrics, films, foils, membranes, paper and the like. with a cellulosic composition, which is characterized in that a solution of cellulose in a tertiary amine oxide is used for coating, impregnation or coating, which may also contain water or other additives. N-methylmorpholine-N-oxide is preferably used as the tertiary amine oxide.
  • the solutions are advantageous with one Cellulose concentration of 1-5% by weight is used, cellulose with a DP of 300-800 being particularly advantageous.
  • Solutions with a viscosity of 1 - 20,000 mPa are very suitable. s, in particular from 0.5 - 800 mPa.s, these viscosities being measured at 120 ° C.
  • the process can be used advantageously for treating cellulosic shaped articles.
  • solutions of cellulose are used which additionally contain active ingredients.
  • the shaped bodies are acted upon with active substances before the treatment with the cellulosic solution.
  • the shaped bodies are charged with activated carbon before treatment with the cellulosic composition.
  • hydrophobic moldings especially those made of polymers such as polyamide-66, polyester, polypropylene, polyethylene and the like. chemically or physically pretreated before coating, impregnation or coating. Treatment with corona discharges and plasma treatment are particularly suitable as physical pretreatment. Treatment with coupling agents is particularly suitable as a chemical pretreatment.
  • Coupling agents in the sense of the invention are chemical compounds which lead to an improvement in the adhesion or fixation of the cellulose applied to the support, ie chemical fixation.
  • Coupling agents as described in the book "Silanes and other Coupling Agents by KL Mittal, published by VSP Utrecht, Netherlands, are particularly suitable. 1992 are described, for example 1,4-bis (3-aminopropyldimethylsilyl) benzene and fumaric acid.
  • the invention furthermore relates to coated, impregnated or coated shaped bodies obtainable by one of the processes specified above.
  • the invention further relates to the use of the moldings in the textile, technical and medical fields.
  • the procedure for carrying out the method according to the invention is as follows. A solution is first prepared from a cellulose, the amine oxide, in particular N-methylmorpholine-N-oxide, with a corresponding amount of water.
  • the concentration of the cellulose in the solution can vary within wide limits; it naturally depends on the viscosity with which the moldings are to be treated, it also depends on the molecular weight of the cellulose used. The temperature is also an influence.
  • N-methylmorpholine-N-oxide which is preferably used as a monohydrate, i.e. contains water
  • spinning solutions are usually prepared, i.e. e.g. at temperatures of around 90 to 140 ° C.
  • Fibers, filaments, yarns, woven fabrics, nonwovens, knitted fabrics, scrims, films, foils, membranes in the form of flat membranes, hollow fiber membranes or tubular membranes can be used as shaped bodies, inter alia.
  • Paper and the like Nonwovens can be, for example, tangled nonwovens, nonwovens made from continuous fibers or fibers of a certain length (staple fibers).
  • the coating of the sheet-like structures in particular can be carried out either on one side or on both sides.
  • the coating can be applied using conventional techniques, e.g. by rotating applications (e.g. with rollers), by applying an appropriate amount of the solution e.g. by casting and then stripping to a certain thickness. It is also possible to pass the moldings through a bath which contains an appropriate solution of cellulose. As a result, the molded body is either coated on both sides or is also completely impregnated or provided with an appropriate covering.
  • the thickness of the coating or covering or the degree of impregnation can initially be controlled to a large extent by the amount of the solution applied. Another possibility is, of course, the setting of corresponding concentrations of cellulose in the solution.
  • Coating in the sense of the invention means the application of a coating material to a base, here the shaped body, in the form of a coherent layer or surface, in the form of interrupted applied surfaces, or in the form of regularly or irregularly applied punctiform or flat coating material .
  • Cellulose in the sense of the invention is understood to mean celluloses of the most varied types, that is to say of the most varied of origins and with the most varied degrees of polymerization, such as cotton linters, cotton fibers, microcrystalline cellulose, cellulose obtained from wood, among others more.
  • the degrees of polymerization can easily be between 150 to 7000. Higher or lower values are not locked out. Mixtures of different degrees of polymerization or provenances can also be used.
  • the cellulose can be used alone or in a mixture with other polymers, in particular cellulose derivatives, provided that these mixtures are soluble or finely dispersible in the tertiary amine oxide.
  • the method according to the invention offers a great deal of latitude in the treatment of membranes, where the surface of the membranes can be changed by coating, which can be one- or two-sided, the most varied effects being able to be achieved by the choice of the amount applied. So it is possible e.g. the biocompatibility to influence the permeability and also the cut-off.
  • a hydrophobic membrane can be made hydrophilic by coating it on one side. Of course, the hydrophilization can also be carried out on both sides.
  • the moldings are largely dry before coating, since wet surfaces can lead to cellulose coagulation, which is dissolved in the tertiary amine oxide. With appropriate coagulation, the cellulose generally does not adhere as well to the support as is the case when working with essentially dry moldings. It goes without saying that the duration of treatment, ie the time during which the shaped body is in contact with the treatment solution, is not so long that the shaped body is adversely dissolved by the solvent, in which the Cellulose of the solution is dissolved.
  • the body treated in this way is immersed in a coagulation bath, e.g. Alcohol, acetone, water or mixtures and the like, but preferably water, in order to extract the tertiary amine oxide, in particular the N-methylmorpholine-N-oxide.
  • a coagulation bath e.g. Alcohol, acetone, water or mixtures and the like, but preferably water, in order to extract the tertiary amine oxide, in particular the N-methylmorpholine-N-oxide.
  • Another possibility of avoiding excessive dissolving or even dissolving of the shaped body is to rapidly cool the treated shaped body.
  • the N-methylmorpholine-N-oxide solidifies and can no longer attack the treated body.
  • the amine oxide can then be extracted at a later time.
  • the treatment time is about 2 to 60 seconds.
  • this treatment time also depends on the thickness of the shaped body. Thin threads should generally not be treated for more than 1 to 2 seconds, whereas thicker tissues tolerate a longer treatment time.
  • the viscosity of the coating is increased so that the dissolving process is stopped and on the other hand the morphology is frozen.
  • the way in which and when the solvent is extracted can influence the structure of the coating and thus also the permeability thereof, for example for water. It has been found that the permeability is generally higher if the extraction is only carried out after cooling.
  • the molded article to be treated can be wetted with the cellulosic solution. This is generally the case with cellulose-based moldings, unless these moldings have previously been treated with other chemicals in such a way that they are no longer wettable for the solutions. In such a case, it is advisable to remove the applied substances, e.g. by washing with water or with another solvent to dry the shaped body and only then to carry out the treatment with the cellulosic solution.
  • the wettability of the moldings with the cellulosic solutions can be increased significantly by physical surface treatment, such as corona discharge or plasma treatment, or by chemical treatment, such as by treatment with coupling agents.
  • the adhesion or surface penetration of the coating can also be improved in cellulosic carriers by providing the carrier with sodium hydroxide solution, ammonia or tertiary amine oxide.
  • a wide variety of substances can be added to the cellulosic solution with which the moldings are treated, e.g. Active substances such as adsorbents, antistatic agents, etc., loaded or unloaded porous particles, which are then firmly attached to the shaped body after the applied layer has coagulated and can develop their effect over a long period of time.
  • Active substances such as adsorbents, antistatic agents, etc., loaded or unloaded porous particles, which are then firmly attached to the shaped body after the applied layer has coagulated and can develop their effect over a long period of time.
  • additives and additives can also be added to the cellulosic solution, e.g. also pore formers with which the porosity of the coating, impregnation or coating can be influenced, or plasticizers, stabilizers, UV adsorbers and the like.
  • Another possibility of the invention consists in pulling threads through a nozzle or through a bath and thereby covering the threads with the cellulosic solution and coagulating the covering by treatment with a bath.
  • Bicomponent fiber-like structures are obtained.
  • core sheath threads are available which contain a center arranged or also an asymmetrically arranged core.
  • the moldings according to the invention can be used as membranes or fibers in material separation, in gaseous or liquid systems, both in the medical and in the technical field; Depending on the structure, they are suitable for nano, ultra and microfiltration.
  • the shaped bodies treated in this way can be used to separate gases or to purify gases.
  • active ingredient When using active ingredients which have been added to the solution or which have been applied to the shaped body before the treatment, active ingredient can be released into the surrounding environment in a controlled manner.
  • the bound active ingredients can also interact with substances from the surrounding environment without leaving the coated body, and thus e.g. Adsorb gases, remove ions from aqueous systems or remove organic residues from aqueous media.
  • a fabric which had previously been freed from softening agents and other auxiliaries and dried is one-sided using a film puller (coat aster 509 / MC, Erichsen GmbH, Am Iserbach 14, D 58675 Hemer) coated in order to obtain a wet layer thickness of 400 ⁇ m.
  • a film puller coat aster 509 / MC, Erichsen GmbH, Am Iserbach 14, D 58675 Hemer
  • a fabric After coagulation in a water bath and drying, a fabric is obtained which is practically waterproof but still breathable up to a pressure of 0.5 bar, i.e. is permeable to water vapor.
  • a coated fabric is obtained which is waterproof and practically also water vapor-tight.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne des corps façonnés, tels que des fibres, des filaments, des fils, des tissus tissés, des tissus non tissés, des tissus à mailles, des mats, des films, des feuilles, des membranes, du papier et autres objets similaires, qui sont recouverts, imprégnés ou enrobés d'une composition cellulosique. Des corps façonnés de ce type sont produits selon un procédé consistant à les recouvrir, les imprégner ou les enrober d'une solution de cellulose dans un oxyde d'amine tertiaire, en particulier du N-méthylmorpholine-N-oxyde, qui contient aussi, éventuellement, de l'eau.
EP96916127A 1995-05-22 1996-05-18 Corps fa onnes recouverts, impregnes ou enrobes d'une composition cellulosique Withdrawn EP0827557A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19518685 1995-05-22
DE19518685 1995-05-22
PCT/EP1996/002150 WO1996037653A1 (fr) 1995-05-22 1996-05-18 Corps façonnes recouverts, impregnes ou enrobes d'une composition cellulosique

Publications (1)

Publication Number Publication Date
EP0827557A1 true EP0827557A1 (fr) 1998-03-11

Family

ID=7762525

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96916127A Withdrawn EP0827557A1 (fr) 1995-05-22 1996-05-18 Corps fa onnes recouverts, impregnes ou enrobes d'une composition cellulosique

Country Status (4)

Country Link
EP (1) EP0827557A1 (fr)
JP (1) JPH11505888A (fr)
AU (1) AU5899796A (fr)
WO (1) WO1996037653A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9606914D0 (en) 1996-04-02 1996-06-05 Courtaulds Fibres Holdings Ltd Battery separators
AT404368B (de) * 1997-02-25 1998-11-25 Chemiefaser Lenzing Ag Verfahren zur herstellung eines verfestigten faserverbundes
US6042890A (en) * 1997-02-25 2000-03-28 Lenzing Aktiengesellschaft Process for producing a strengthened fiber assembly
AT405406B (de) * 1997-10-23 1999-08-25 Chemiefaser Lenzing Ag Verfahren zum verbinden von gegenständen, die eine oberfläche aus einem cellulosischen material aufweisen
FR2784385B1 (fr) * 1998-10-09 2000-12-01 Rhodianyl Procede de traitement de surfaces telles que surfaces textiles, et articles traites
DE10344396B4 (de) * 2003-09-24 2009-04-30 Deutsche Institute für Textil- und Faserforschung Stuttgart Beschichtete Textilien und Verfahren zur Herstellung derselben
CN101869810A (zh) * 2010-05-24 2010-10-27 南京林业大学 一种新型复合微滤膜的制备方法
WO2014207100A1 (fr) * 2013-06-27 2014-12-31 Basf Se Procédé de couchage du papier à la cellulose à l'aide d'une solution contenant de la cellulose
CN113512886A (zh) * 2020-04-09 2021-10-19 天津工业大学 一种负载精油纤维素纤维及其制备方法
CN114832648A (zh) * 2022-06-09 2022-08-02 榆林学院 一种改性纤维素超滤膜及其制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2059373A1 (de) * 1969-12-03 1971-06-16 Ciba Geigy Ag Verfahren zum Beschichten von Textilien
DE2913589A1 (de) * 1979-03-02 1980-09-11 Akzona Inc Geformter zellulosegegenstand

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447939A (en) * 1966-09-02 1969-06-03 Eastman Kodak Co Compounds dissolved in cyclic amine oxides
DE4244609C2 (de) * 1992-12-31 1996-07-11 Thueringisches Inst Textil Stabile Form- und Spinnmasse

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2059373A1 (de) * 1969-12-03 1971-06-16 Ciba Geigy Ag Verfahren zum Beschichten von Textilien
DE2913589A1 (de) * 1979-03-02 1980-09-11 Akzona Inc Geformter zellulosegegenstand

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
RABE R. ET AL.: "Processability and Properties of a Rayon/Nylon Composite Fiber", TEXTILE RESEARCH JOURNAL, vol. 58, no. 12, 1988, pages 735 - 742 *
See also references of WO9637653A1 *

Also Published As

Publication number Publication date
JPH11505888A (ja) 1999-05-25
AU5899796A (en) 1996-12-11
WO1996037653A1 (fr) 1996-11-28

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