EP2379465A2 - Malerleinwand mit einem mittel zum einfangen von formaldehyd und herstellungsverfahren - Google Patents

Malerleinwand mit einem mittel zum einfangen von formaldehyd und herstellungsverfahren

Info

Publication number
EP2379465A2
EP2379465A2 EP09805758A EP09805758A EP2379465A2 EP 2379465 A2 EP2379465 A2 EP 2379465A2 EP 09805758 A EP09805758 A EP 09805758A EP 09805758 A EP09805758 A EP 09805758A EP 2379465 A2 EP2379465 A2 EP 2379465A2
Authority
EP
European Patent Office
Prior art keywords
radical
acid
formula
canvas according
acid dihydrazide
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.)
Granted
Application number
EP09805758A
Other languages
English (en)
French (fr)
Other versions
EP2379465B1 (de
Inventor
Benjamin Blanchard
Katarzyna Chuda
Boris Jaffrennou
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.)
Saint Gobain Adfors SAS
Original Assignee
Saint Gobain Adfors SAS
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 Saint Gobain Adfors SAS filed Critical Saint Gobain Adfors SAS
Publication of EP2379465A2 publication Critical patent/EP2379465A2/de
Application granted granted Critical
Publication of EP2379465B1 publication Critical patent/EP2379465B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/002—Coverings or linings, e.g. for walls or ceilings made of webs, e.g. of fabrics, or wallpaper, used as coverings or linings
    • 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
    • D06M15/11—Starch or derivatives thereof
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
    • D03D15/267—Glass
    • 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
    • D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
    • 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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
    • 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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/152—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen having a hydroxy group bound to a carbon atom of a six-membered aromatic ring
    • 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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/402—Amides imides, sulfamic acids
    • 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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/402—Amides imides, sulfamic acids
    • D06M13/422—Hydrazides
    • 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
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/402—Amides imides, sulfamic acids
    • D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2508—Coating or impregnation absorbs chemical material other than water

Definitions

  • the invention relates to a fiberglass-based paintable fabric to be applied to an interior surface of a building, which contains an agent capable of trapping formaldehyde.
  • the invention also relates to the process for obtaining said painting fabric.
  • materials are used for the construction and interior design of residential and office buildings. Some of these materials such as acoustic and / or thermal insulation, wood panels, furniture and decorative elements use adhesives, paints and varnishes using formaldehyde. The proportion of free formaldehyde in these materials is already very low. Nevertheless, the regulation of the protection against undesirable emissions of products that may pose a risk to the health of individuals becomes stricter and makes it necessary to further reduce the amount of free formaldehyde that may be emitted by the materials over time.
  • the present invention provides a fiberglass paint fabric which contains an agent capable of trapping formaldehyde.
  • Another object of the invention relates to the method of manufacturing the canvas to be painted.
  • compound capable of reacting with formaldehyde is meant an organic compound which binds to formaldehyde by covalent bonding.
  • the compound capable of reacting with formaldehyde is chosen from:
  • the active methylene compounds preferably having the following formulas:
  • R 1 and R 2 which are identical or different, represent a hydrogen atom, a C 1 -C 20 alkyl radical, preferably C 1 -C 6 radical, an amino radical or a radical of formula in which R 4 represents a radical
  • R ⁇ H or -CH 3 and p is an integer ranging from 1 to 6
  • R3 represents a hydrogen atom, a C10 -alkyl radical, a phenyl radical or a halogen atom;
  • - b is 0 or 1 - n is 1 or 2
  • R 1 -CH 2 -CH 3 ;
  • R 2 -CH 3 ;
  • R 3 H;
  • n 1
  • R 1 -CH 2 -CH 3 ;
  • R 2 -CH 2 -CH 3 ;
  • R 3 H;
  • n 1
  • Ri -CH 3 ;
  • R 2 -CH 2 -CH (CH 2 ) 2 ;
  • R 3 H;
  • a 0;
  • b 1;
  • n 1
  • R 1 -CH 3 ;
  • R 2 -C (CH 3 ) 3 ;
  • R 3 H;
  • n 1
  • R 1 -CH 2 -CH 3 ;
  • R 2 -CH 2 -CH 3 ;
  • R 3 H;
  • a 1;
  • b 1;
  • n 1
  • R 1 - (CH 2 ) 2 -CH 3 ;
  • R 2 - (CH 2 ) 2 -CH 3 ;
  • R 3 H;
  • a 1;
  • b 1;
  • n 1 - di-iso-propylmalonate:
  • R 1 - (CH 2 ) 3 -CH 3 ;
  • R 2 - (CH 2 ) 3 -CH 3 ;
  • R 1 H;
  • R 2 H;
  • R 3 H;
  • n 2
  • Ri -CH 3 ;
  • R 2 - (CH 2 J 4 -O-CO-CH 2 -CO-CH 3 ;
  • R 3 H;
  • n 1;
  • Ri -CH 3 ;
  • R 2 - (CH 2 J 6 -O-CO-CH 2 -CO-CH 3 ;
  • R 3 H;
  • a 0;
  • b 1;
  • Ri -CH 3 ;
  • R ⁇ represents a cyano radical or a C- (O) O -R 8 ° radical in which: R 8 represents a hydrogen atom, a C 1 -C 20 alkyl radical, preferably a C 1 -C 6 radical, or an amino-c radical is equal to 0 or 1;
  • R 7 represents a hydrogen atom, a C 1 -C 10 alkyl radical, a phenyl radical or a halogen atom.
  • the preferred compounds of formula (II) are:
  • R 6 -CO-O-CH 2 -CH 3 ;
  • R 7 H
  • R 6 -CO-O- (CH 2 ) 2 -CH 3 ;
  • R 7 H
  • R 6 -CO-O- (CH 2 ) 3 CH 3 ;
  • R 7 H
  • R 6 -CO-O-CH 2 -CH (CH 2 ) 2 ;
  • R 7 H
  • q is an integer ranging from 1 to 4.
  • A represents a radical (CH 2) 3 or c ( CH 2 ) 2
  • oxalic acid dihydrazide malonic acid dihydrazide, succinic acid dihydrazide, adipic acid dihydrazide, sebacic acid dihydrazide and maleic acid dihydrazide.
  • tannins especially condensed, such as tannins of mimosa, quebracho, pine, pecan nuts, hemlock wood and sumac.
  • 4-amides for example urea, 1,3-dimethylurea, ethyleneurea and its derivatives such as N-hydroxyethyleneurea, N-aminoethylethyleneurea, N- (3-allyloxy-2-hydroxypropyl) aminoethylethyleneurea, N-acryloxyethylethyleneurea, N-methacryloxethylethyleneurea, N-acrylaminoethylethyleneurea, N-methacrylaminoethylethyleneurea, N-methacryloxyacetoxyethyleneurea, N-methacryloxyacetaminoethylethyleneurea and N-di (3-allyoxy). 2-hydroxypropyl) aminoethylethyleneurea, biurea, biuret, triuret, acrylamide, methacrylamide, polyacrylamides and polymethacrylamides,
  • Amino acids for example glycine, peptides and proteins of animal or vegetable origin.
  • the amount of formaldehyde-entraining agent to be used may vary to a large extent, for example from 0.1 to 500 g / m 2 of the fabric to be painted, preferably from 0.5 to 100 g / m 2 and advantageously from 1 to 50 g / m 2 .
  • the agent capable of trapping formaldehyde may also comprise at least one porous material which adsorbs formaldehyde.
  • This porous material is in the form of particles having a size which varies from 10 nm to 100 ⁇ m, preferably 500 nm to 50 ⁇ m, and advantageously 1 to 10 ⁇ m.
  • the particles have a specific surface area which varies from 1 to 5000 m 2 / g, advantageously from 5 to 2000 m 2 / g, and an average pore diameter ranging from 1 to 50 nm, preferably 1 to 20 nm.
  • the porous material may be silica, microporous or mesoporous, pyrogenic or not, a carbon black, a zeolite or a porous polymer.
  • the painting fabric according to the invention is based on glass fibers and may optionally contain fibers consisting of a thermoplastic organic material such as polyethylene and polypropylene.
  • the fabric to be painted is a fabric obtained from glass yarns composed of a multitude of glass filaments (or base yarn) or derived from these yarns, especially the assemblies of these roving base yarns.
  • the aforementioned son may be son without torsion or twisted son.
  • the glass used in the constitution of the son can be of any type, for example E, C, R, AR (alkali-resistant). E-glass is preferred.
  • the diameter of the glass filaments constituting the wires may vary to a large extent, for example 5 to 30 ⁇ m. In the same way, wide variations can occur in the linear density of the yarn which can range from 34 to 1500 tex.
  • the painting fabric comprises, in warp, a twisted glass yarn (textile yarn) and, as a weft, a non-twisted glass yarn having undergone a treatment designed to separate the glass filaments so as to give them volume ( or "voluminized” wire).
  • the linear density of the warp and weft yarns preferably varies from 50 to 500 tex.
  • the canvas to be painted has a basis weight which varies from 30 to 1000 g / m 2 .
  • the painting fabric is coated with a primer composition which holds the yarns, obscures the pores and gives it the rigidity that is appropriate for the laying on the final support can be carried out properly.
  • the coating is made on both sides of the canvas to be painted.
  • the primer composition is generally in the form of an aqueous solution containing, in percentage by weight: - 5 to 100% of a structuring compound consisting of a cold-soluble starchy compound, at a temperature of about 25.degree. ° C, such as a starch,
  • a hydrophobic polymer for example a homo- or copolymer of vinyl acetate, of (meth) acrylic acid, in particular a stryrene-(meth) acrylic acid copolymer, 15% of a white charge and occulting, for example titanium oxide,
  • a flameproofing agent for example zirconium salts
  • a foaming agent for example an amine oxide
  • a foam stabilizing agent for example ammonium stearate
  • a water-repellent agent for example a paraffin or antimony trioxide
  • the painting fabric may comprise an additional layer of a water reactivatable glue on its reverse side (face which in the final disposition is glued to the support). Such a layer allows the operator, by simply applying water on the coated side, to reactivate the glued face and to lay the canvas directly on the support.
  • the method of manufacturing the painting fabric is another object of the present invention.
  • Figure 1 is a schematic view of a conventional installation for applying the primer composition on a canvas to be painted.
  • the painting fabric (1) unwound from the spool (2) in the direction indicated by the arrow passes into a scarf (3) comprising a roller (3a) which is immersed in a reservoir (4) containing the finishing composition and a roll (3b).
  • the painting fabric (1) is coated with the primer composition and the amount deposited is adjusted by the distance between the rollers 3a and 3b.
  • the scarf 3 is replaced by the device 30 of Figure 2 which comprises two rollers 31a and 31b each having a central pipe 32 for feeding the pressurized primer composition.
  • the peripheral zone of the rollers 31a and 31b is provided with perforations 33 through which the primer composition which is deposited on the canvas to be painted passes.
  • a device 34 placed under the rollers 31a and 31b makes it possible to recover the excess of the sizing composition.
  • This variant embodiment makes it possible to apply the primer composition to both sides of the painting fabric (1). It has the advantage of not "crush" the weave pattern of the painting canvas: said pattern thus retains its original relief that can be highlighted later by the application of paint.
  • the coated paint cloth then passes into a drying device (5) comprising three heating rollers (5a, 5b, 5c) in contact with which the water is removed.
  • the number of rollers present in the drying device varies from 1 to 20, and preferably does not exceed 14.
  • the temperature in the dryer decreases, that is, the first roll is heated to a higher temperature than the last roll.
  • the maximum temperature to be applied at the level of the first roller depends on the nature of the threads that make up the canvas to be painted.
  • the temperature of the first roll is equal to 240 ° C. and that of the last roll is equal to 110 ° C. when the threads are made of glass.
  • the maximum temperature of the first roll is lower in the case of co-mixed yarns containing filaments of thermoplastic organic material.
  • the maximum temperature must not, however, exceed the melting temperature of the thermoplastic organic material having the lowest melting point.
  • Other drying devices may be used, for example devices delivering hot air or operating by infrared radiation.
  • rollers may be placed after the drying device 5 (not shown). These rollers serve in particular to guide the fabric and / or to adapt the speed of the line to allow the replacement of the coil 2.
  • the primed painting fabric (6) is then collected in the form of a winding (7).
  • the agent capable of trapping formaldehyde in the primer composition is introduced.
  • This embodiment is preferred because it does not require any additional device for the application of the agent capable of trapping formaldehyde, which is advantageous from an economic point of view.
  • the agent capable of trapping formaldehyde after the scarf (3) or the device (30) is applied and before the fabric to be painted passes over the drying device (5).
  • the application of said agent can be carried out by any known means, preferably using the spray-operating device (8) described in FIG.
  • this device may consist of a plurality of spray nozzles fed with an aqueous solution of the agent capable of trapping formaldehyde which generate divergent jets which interpenetrate shortly before coming into contact with the upper face (or face place) of the painting canvas.
  • the agent capable of trapping formaldehyde can be applied further on the lower face (or face back), for example by means of a conventional coating roll.
  • the application of the agent capable of trapping formaldehyde can still be done in recovery, on the primed paint cloth, preferably on the face side. This way of proceeding is however more expensive because it imposes an additional step and specific means for the application agent capable of trapping formaldehyde in the form of an aqueous solution and for the removal of water.
  • a primer composition containing the following constituents is prepared in percent by weight:
  • Acrylic Binder (ACRONAL ® S559; BASF) 9.2 Titanium Oxide 0.2
  • the primer composition is obtained by introducing the water and the various constituents into a container, with stirring, the agent capable of trapping formaldehyde being added last.
  • the agent capable of trapping formaldehyde is acetoacetamide (Example 1) and adipic acid dihydrazide (Example 2).
  • the primer composition is used to coat a painting fabric in the form of a glass fabric with a mass per unit area of 120 g / m 2, comprising a textured glass yarn having a linear density of the order of 330 tex with a reduction of 1, 9 wire per cm and in chain a glass wire having a linear density of the order of 140 tex and a reduction of 3 son per cm.
  • the application of the primer composition is carried out in the installation of FIG.
  • the scarf (3) is set to deposit on the order of 310 g of primer composition per m 2 of canvas to be painted.
  • the paint canvas collected contains 65 g of primer (dry matter) per m 2 of canvas to be painted, the amount of agent capable of trapping formaldehyde being equal to 17 g.
  • This fabric is subjected to formaldehyde absorption and desorption tests under the following conditions.
  • a sample of the painting fabric is placed in a device according to ISO 16000-9, modified in that, in the test chamber, the relative humidity is equal to 45%.
  • the chamber is fed with a continuous air flow containing of the order of 50 ⁇ g / m 3 of formaldehyde for 7 days. The amount of formaldehyde in the air entering and leaving the chamber is measured, and the percentage of formaldehyde absorption by the painting fabric is calculated.
  • the chamber is fed with air containing no formaldehyde for 1 day and the amount of formaldehyde present in the air at the outlet of the chamber is measured.
  • Formaldehyde is measured by liquid chromatography (HPLC) under the conditions of ISO 16000-3.
  • Table 1 shows the percentage of formaldehyde absorbed by the painting fabric and the amount of formaldehyde in the air leaving the chamber for a painting cloth coated with the primer composition containing the trapping agent.
  • the amount of formaldehyde absorbed is higher for Examples 1 and 2 than the Reference: the absorption of formaldehyde is 13 times (Example 1) and 7.8 times (Example 2) higher at 1 day and remains relatively constant for the duration of the test.
  • a primer composition containing the following constituents is prepared in percent by weight:
  • Acrylic binder (ACRONAL ® S559; BASF) 11, 8
  • the primer composition is obtained by introducing the water and the various constituents into a container, with stirring, the agent capable of trapping formaldehyde being added last.
  • the agent capable of trapping formaldehyde is acetoacetamide (example
  • Example 3 adipic acid dihydrazide (Example 4), ethyleneurea (Example 5) and an acacia tannin (Example 6).
  • the primer composition is used to coat a painting fabric in the form of a glass fabric with a mass per unit area of 80 g / m 2 comprising a textured glass yarn having a linear density of the order of 330 tex with a reduction of 1, 9 wire per cm and in chain a glass wire having a linear density of the order of 140 tex and a reduction of 3 son per cm.
  • the application of the primer composition is carried out in the installation of FIG.
  • the scarf (3) is set so as to deposit about 470 g of primer composition per m 2 of fabric to be painted.
  • the collected painting cloth contains 65 g of primer (dry matter) per m 2 of canvas to be painted, the amount of agent capable of trapping formaldehyde being equal to 18 g.
  • This fabric is subjected to formaldehyde absorption and desorption tests under the following conditions.
  • a sample of the painting fabric is placed in a device according to ISO 16000-9, modified in that, in the test chamber, the relative humidity is 50%.
  • the chamber is fed with a continuous air flow containing of the order of 50 ⁇ g / m 3 of formaldehyde for 3 days.
  • the amount of formaldehyde in the air entering and leaving the chamber is measured, and the percentage of formaldehyde absorption by the painting fabric is calculated.
  • the chamber in a second step, the chamber is fed with air containing no formaldehyde and the amount of formaldehyde present in the air at the outlet of the chamber after 2, 4 and 8 days is measured.
  • Formaldehyde is measured by liquid chromatography
  • Table 2 shows the percentage of formaldehyde absorbed by the painting fabric and the amount of formaldehyde in the air leaving the chamber for a painting cloth coated with the primer composition containing the trapping agent. formaldehyde compared to a test chamber containing no paintable canvas (Reference). The results of the adsorption and desorption tests are given in Table 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Building Environments (AREA)
  • Finishing Walls (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
EP20090805758 2008-12-19 2009-12-18 Malerleinwand mit einem mittel zum einfangen von formaldehyd und herstellungsverfahren Active EP2379465B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0858856A FR2940273B1 (fr) 2008-12-19 2008-12-19 Toile a peindre renfermant un agent apte a pieger le formalehyde et procede de fabrication
PCT/FR2009/052626 WO2010070248A2 (fr) 2008-12-19 2009-12-18 Toile a peindre renfermant un agent apte a pieger le formaldehyde et procede de fabrication

Publications (2)

Publication Number Publication Date
EP2379465A2 true EP2379465A2 (de) 2011-10-26
EP2379465B1 EP2379465B1 (de) 2013-01-02

Family

ID=40886963

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090805758 Active EP2379465B1 (de) 2008-12-19 2009-12-18 Malerleinwand mit einem mittel zum einfangen von formaldehyd und herstellungsverfahren

Country Status (12)

Country Link
US (1) US20110300359A1 (de)
EP (1) EP2379465B1 (de)
JP (2) JP5749654B2 (de)
CN (2) CN102325734A (de)
AU (1) AU2009329357B2 (de)
BR (1) BRPI0923143B8 (de)
CA (1) CA2747694C (de)
DK (1) DK2379465T3 (de)
FR (1) FR2940273B1 (de)
MX (1) MX2011006531A (de)
RU (1) RU2517509C2 (de)
WO (1) WO2010070248A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3660259A1 (de) 2018-11-30 2020-06-03 Saint-Gobain Glass France Luftreinigungssystem

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2946265B1 (fr) * 2009-06-03 2012-12-21 Saint Gobain Technical Fabrcis Europ Mat de fibres minerales renfermant un agent apte a pieger le formaldehyde et procedes de fabrication
FR2952067B1 (fr) 2009-11-03 2012-05-25 Saint Gobain Technical Fabrics Composition filmogene renfermant un agent apte a pieger le formaldehyde
FR2960565B1 (fr) * 2010-05-25 2012-07-27 Saint Gobain Technical Fabrics Mat de fibres de polymere contenant un dihydrazide et utilisation.
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FR2940273B1 (fr) 2010-12-31
JP2012512977A (ja) 2012-06-07
JP2015110897A (ja) 2015-06-18
FR2940273A1 (fr) 2010-06-25
AU2009329357A1 (en) 2011-08-04
AU2009329357B2 (en) 2015-07-23
JP5749654B2 (ja) 2015-07-15
CN102325734A (zh) 2012-01-18
WO2010070248A2 (fr) 2010-06-24
RU2517509C2 (ru) 2014-05-27
WO2010070248A3 (fr) 2010-08-12
BRPI0923143B1 (pt) 2019-10-22
BRPI0923143B8 (pt) 2020-03-10
DK2379465T3 (da) 2013-04-08
MX2011006531A (es) 2011-08-04
CN106367965A (zh) 2017-02-01
CA2747694C (fr) 2017-01-31
EP2379465B1 (de) 2013-01-02
US20110300359A1 (en) 2011-12-08
CA2747694A1 (fr) 2010-06-24

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