WO2009007616A2 - Procédé d'imprégnation de fibres continues par une matrice polymérique composite renfermant un polymère fluoré greffé - Google Patents
Procédé d'imprégnation de fibres continues par une matrice polymérique composite renfermant un polymère fluoré greffé Download PDFInfo
- Publication number
- WO2009007616A2 WO2009007616A2 PCT/FR2008/051186 FR2008051186W WO2009007616A2 WO 2009007616 A2 WO2009007616 A2 WO 2009007616A2 FR 2008051186 W FR2008051186 W FR 2008051186W WO 2009007616 A2 WO2009007616 A2 WO 2009007616A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fibers
- nanotubes
- polyamide
- grafted
- carbon
- Prior art date
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Classifications
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- 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
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
-
- 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
- D06M23/08—Processes in which the treating agent is applied in powder or granular form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0085—Copolymers
Definitions
- the present invention relates to a process for impregnating continuous fibers, comprising coating said fibers with a polymeric matrix comprising:
- composite fibers have been used to manufacture, in particular, various aeronautical or automobile parts. These composite fibers, which are characterized by good thermomechanical and chemical resistances, consist of a reinforcing filament reinforcement intended to ensure the mechanical strength of the material, and of a matrix that bonds and encapsulates the reinforcing fibers, intended to distribute the forces
- Methods of manufacturing composite parts from such coated fibers include various techniques such as, for example, contact molding, projection molding, autoclave draping or low pressure molding.
- a technique for making hollow parts is that called filament winding, which consists in impregnating dry fibers with a resin and then winding them on a mandrel formed of reinforcements and of a shape adapted to the part to be manufactured. The piece obtained by winding is then cured by heating.
- Coating compositions consisting of either polymeric matrices containing thermosetting polymers or polymeric matrices containing thermoplastic polymers of the polyethylene glycol (PEEK), polyphenylene sulfide (PPS) type are presently used in filament winding processes. or polyphenylsulfone (PPSU), for example.
- PEEK polyethylene glycol
- PPS polyphenylene sulfide
- PPSU polyphenylsulfone
- Thermoplastic materials have the advantage of being easier to thermoform and allow the realization of composite parts having a variety of shapes.
- the use of these materials is however expensive because of their cost.
- they pose problems of implementation because of the difficulty of melting them below 200 0 C, which also affects the economics of the process since they require a relatively high consolidation temperature of the composite requiring a contribution n 'important energy.
- thermoplastic polymers semi-crystalline thermoplastic polymers having a glass transition temperature of less than 100 ° C. mixed with nanotubes, especially carbon nanotubes.
- fluoropolymers have problems of compatibility with the continuous fibers to which they are supposed to adhere.
- the interfaces between the fluoropolymer and the continuous fibers therefore lack cohesion, which leads to the appearance of weak spots on the macroscopic scale when the polymeric matrix is subjected to a stress.
- the presence of carbon nanotubes in the polymeric matrix used as coating material for the continuous fibers adversely affects the tensile strength at ambient temperature of the coating material, in the case where the matrix comprises a fluorinated polymer.
- the dispersion of the nanotubes in the fluoropolymer is not always satisfactory, which can lead to the formation of agglomerates detrimental to the desired properties for the composite.
- a fluoropolymer grafted with at least one polar carboxylic function optionally mixed with a non-grafted fluoropolymer and / or with nanotubes, in particular carbon.
- the present invention more specifically relates to a process for impregnating continuous fibers, comprising coating said fibers with a polymer matrix comprising: (a) at least one fluorinated polymer grafted with at least one polar carboxylic function and (b) optionally at least one non-grafted fluoropolymer.
- the method according to the invention therefore relates to the impregnation of continuous fibers.
- materials constituting said fibers include, without limitation:
- stretched polymer fibers based in particular on: polyamide such as polyamide 6 (PA-6), polyamide 11 (PA-II), polyamide 12 (PA-12), polyamide 6.6
- PA-6.10 or polyamide 6.12 (PA-6.12), polyamide block copolymer / polyether (Pebax 0 ), polypropylene or polypropylene high density polyethylene such as polyhydroxyalkanoates and polyesters marketed by DU PONT under the trade name Hytrel ';
- glass fibers in particular of the E, R or S2 type
- the coating composition used according to the present invention is a polymeric matrix containing in particular at least one fluoropolymer grafted with a polar carboxylic function (hereinafter referred to for simplicity as "grafted fluoropolymer").
- This grafted fluorinated polymer is capable of being obtained by grafting at least one polar carboxylic monomer, bearing: for example at least one carboxylic acid or anhydride function on a fluorinated polymer.
- this grafted fluoropolymer may be prepared according to a process comprising: (a) mixing, preferably in the molten state, for example by means of an extruder or a kneader, a polymer fluorinated with a polar monomer bearing a carboxylic acid or anhydride function, (b) the possible conversion of this mixture into granules, powder, film or plate, (c) the irradiation of this mixture, optionally in the absence of oxygen ( and for example in polyethylene bags) in a dose ranging from 1 to 15 Mrad of photon or electron irradiation, to carry out the grafting of the polar monomer on the fluoropolymer, and (d) optionally the removal of the residual polar monomer n unreacted with the fluoropolymer.
- a preparation process of this type is described in particular in application EP-I 484 346.
- fluoropolymers useful in the manufacture of the grafted fluoropolymer include, without limitation:
- PVDF Polyvinylidene fluoride
- HFP hexafluoropropylene
- CFE chlorotrifluoroethylene
- HFP hexafluoropropylene
- VF3 trifluoroethylene
- TFE tetrafluoroethylene
- VF3 trifluoroethylene
- copolymers of ethylene with fluoroethylene / propylene FEP
- fluoroethylene / propylene FEP
- TFE tetrafluoroethylene
- PMVE perfluoromethylvinyl ether
- CFE chlorotrifluoroethylene
- HFP hexafluoropropylene
- the fluoropolymer used for the manufacture of the grafted fluoropolymer is a homopolymer of VDF, also designated by PVDF.
- unsaturated mono- and di-carboxylic acids having from 2 to 20 carbon atoms, and in particular from 4 to 10 carbon atoms, such as acrylic, methacrylic, maleic, fumeric acids. itaconic, citraconic, allylsuccinic, cyclohex-4-ene-1,2-dicarboxylic, 4-methyl-cyclohex-4-ene-1,2-dicarboxylic, bicyclo (2,2,1) hept-5-ene-2 , 3-dicarboxylic, x-methylbicyclo (2,2,1) hept-5-ene-2,3-dicarboxylic and undecylenic, as well as their anhydrides.
- the grafted fluoropolymer is therefore capable of being obtained from at least one of these monomers.
- this fluoropolymer is grafted with maleic anhydride.
- the weight proportion of the fluoropolymer to the polar monomer used in the manufacture of the grafted fluoropolymer is usually 90:10 to 99.9: 0.1.
- Such a grafted fluorinated polymer is especially available from Arkema under the trade name Kynar ADX 710, 711, 720 or 721.
- the polymer matrix used according to the invention may contain, in addition to the grafted fluoropolymer mentioned above, at least one non-grafted fluorinated polymer, which may especially be chosen from the fluoropolymers mentioned above.
- this polymer when it is present, is a VDF homopolymer (PVDF) or a VDF / HFP copolymer containing at least 50% by weight of VDF units.
- PVDF VDF homopolymer
- HFP HFP copolymer
- the preferred non-grafted fluorinated polymers are those of grade suitable for injection or extrusion and preferably having a viscosity ranging from 100 to 2000 Pa. and more preferably from 300 to 1200 Pa.s, measured at 230 ° C. under a shear rate of 100 s -1 using a capillary rheometer.
- PVDF are marketed by ⁇ RKEM ⁇ company under the trade names Kynar "J 710, 711 and 720 (injection grade) or Kynar ® 740, 760, 50HD and 400HD (extrusion grade).
- copolymers VDF / HFP are marketed by ARKEMA under the trade names Kynar ® 2800 and 3120-50.
- the weight ratio of the fluoropolymer grafted to the polymer matrix can range from 5 to 100% and is preferably between 10 and 50%.
- the fluoropolymer and the grafted fluoropolymer may be mixed either in powder form or by compounding followed by granulation and grinding of the granules.
- the polymeric matrix may contain at least one reinforcement, chosen in particular from: the nanotubes of at least one chemical element chosen from the elements of the columns IHa, IVa and Va of the periodic table; carbon black; glass fibers, boron, silica, aramid, stretched polymer (especially polyamide, polyolefin or polyester) and / or natural fibers such as Im, hemp and / or sisal; and their mixtures.
- Nanotubes are preferred for use in the present invention. These nanotubes may be based on carbon, boron, phosphorus and / or nitrogen
- CNTs Carbon nanotubes
- the nanotubes that can be used according to the invention can be single-walled, double-walled or multi-walled.
- the double-walled nanotubes can in particular be prepared as described by FLAHAUT et al in Chem.
- the multi-walled nanotubes may themselves be prepared as described in WO 03/02456.
- the nanotubes usually have a mean diameter ranging from 0.1 to 200 nm, preferably from 0.1 to 100 nm, more preferably from 0.4 to 50 nm and more preferably from 1 to 30 nm and advantageously from 0.1 to 10 ⁇ m in length.
- Their length / diameter ratio is preferably greater than 10 and most often greater than 100.
- Their specific surface area is for example between 100 and 300 m 2 / g and their apparent density may especially be between 0.05 and 0.5. g / cm 3 and more preferably between 0.1 and 0.2 g / cm 3 .
- the multiwall nanotubes may for example comprise from 5 to 15 sheets and more preferably from 7 to 10 sheets.
- crude carbon nanotubes is especially commercially available from Arkema under the trade name Graphistrength® ® C100.
- nanotubes can be purified and / or oxidized and / or comminuted and / or functionalized before being used in the process according to the invention.
- the grinding of the nanotubes may be carried out cold or hot and be carried out according to known techniques used in apparatus such as ball mills, hammers, grinders, knives, jet gasses or any other grinding capable of reducing the size of the entangled network of nanotubes. It is preferred that this grinding step is performed according to a gas jet grinding technique and in particular in an air jet mill.
- the purification of the raw or milled nanotubes can be carried out by washing with a sulfuric acid solution, so as to rid them of any residual mineral and metallic impurities from their preparation process.
- the weight ratio of nanotubes to sulfucic acid may in particular be between 1: 2 and 1: 3.
- the purification operation may also be carried out at a temperature ranging from 90 to 120 ° C., for example for a period of 5 to 10 hours. This operation can advantageously be followed by steps of rinsing with water and drying the purified nanotubes.
- the deflood of nanotubes is advantageously carried out by putting them in contact with a solution of sodium hypochlorite containing from 0.5 to 15% by weight of NaOCl and preferably from 1 to 10% by weight of NaOCl. for example in a weight ratio of nanotubes to sodium hypochlorite ranging from 1: 0.1 to 1: 1.
- the oxidation is advantageously carried out at a temperature below 60 ° C. and preferably at room temperature, for a duration ranging from a few minutes to 24 hours. This oxidation operation may advantageously be followed by filtration steps and / or centrifugation, washing and drying of the oxide nanotubes.
- the functionalization of the nanotubes can be carried out by grafting reactive units such as monomers on the surface of the nanotubes.
- the material constituting the nanotubes is used as a radial polymerization initiator after having been subjected to a heat treatment of more than 90 ° C., in an anhydrous and oxygen-free medium, which is intended to eliminate the oxygen groups from its surface. It is thus possxiole to poxype ⁇ ser methacrylate ⁇ e methyl or ctu hydroxyethyl methacrylate on the surface of carbon nanotubes in order to facilitate in particular their dispersion in PVDF or polyamides.
- Crude nanotubes that is to say nanotubes that are not oxidized, purified or functionalized and have undergone no other chemical treatment, are preferably used in the present invention.
- the nanotubes may represent from 30 to 30% and preferably from 0.5 to 10%, and still more preferably from 1 to 5% by weight of the polymeric matrix.
- the nanotubes be mixed with the grafted fluoropolymer and the ungrafted fluoropolymer possibly present by compounding by means of conventional devices such as twin-screw extruders or co-kneaders.
- polymer granules (s) are typically melt blended with the nanotubes.
- the nanotubes may be dispersed by any suitable means in the polymer (s) in solution in a solvent.
- the dispersion can be improved, according to an advantageous embodiment of the present invention, by the use of particular dispersing systems or dispersing agents.
- the process according to the invention may comprise a preliminary stage of dispersion of the nanotubes in the polymeric matrix by means of ultrasound or a rotor-stator system.
- Such a rotor-stator system is in particular marketed by SILVERSON under the trade name Silverson L4RT.
- Another type of rotor-stator system is marketed by the company
- rotor-stator systems still consist of colloid mills, deflocculating turbines and high-shear mixers of the rotor-stator type, such as the apparatus marketed by the company IKA-WERKE or the company ADMIX.
- the dispersing agents may in particular be chosen from plasticizers which may themselves be chosen from the group consisting of: alkyl esters of phosphates and of hydroxybenzoic acid (the alkyl group of which, preferably, is linear, contains from 1 to 20 carbon atoms) of lauric acid, azelaic acid or pelargonic acid, alkyl, especially dialkyl or alkylaryl, in particular alkylbenzyl, the linear or branched alkyl groups containing independently 1 to 12 carbon atoms, adipates, in particular diaikyies, sebacates, especially diaikyies and in particular dioctyie, especially in the case where the polymer matrix contains a fluoropolymer, benzoates of glycols or glycerol, ethers of dibe ⁇ zyl, chloroparaffins, propylene carbonate, sulfonamides, in particular in the case where the polymer matrix contains a polyamide, and in particular aryl sul
- the dispersing agent may be a copolymer comprising at least one hydrophilic anionic monomer and at least one monomer including at least one aromatic ring, such as the copolymers described in document FR-2 766 106, the weight ratio of the In this case, the nanoparticidal agent preferably ranges from 0.6: 1 to 1.9: 1.
- the dispersing agent may be a vinylpyrrolidone homo- or copolymer, the ratio by weight of the nanotubes to the dispersing agent preferably ranging from 0.1 to less than 2.
- the dispersion of the nanotubes in the polymer matrix can be improved by putting them in contact with at least one compound A which can be chosen from among various polymers, monomers, plasticizers, emulsifiers, coupling agents and / or carboxylic acids, the two components (nanotubes and compound A) being mixed with the solid state or the mixture being in pulverulent form, optionally after removal of one or more solvents.
- at least one compound A which can be chosen from among various polymers, monomers, plasticizers, emulsifiers, coupling agents and / or carboxylic acids, the two components (nanotubes and compound A) being mixed with the solid state or the mixture being in pulverulent form, optionally after removal of one or more solvents.
- the polymer matrix used according to the invention may also contain at least one adjuvant chosen from plasticizers, anti-oxygen stabilizers, light stabilizers, colorants, anti-shock agents, antistatic agents, flame retardants, lubricants, and mixtures thereof.
- the volume ratio of the continuous fibers to the polymeric matrix is greater than or equal to 50% and preferably greater than or equal to 60%.
- the coating of the fibers by the polymer matrix can be done according to different techniques, depending in particular on the physical form of the matrix
- the fibers may be used as such, in unidirectional son form, or after a weaving step, in the form of a fabric consisting of a bidirectional network of fibers.
- the coating of the fibers is preferably carried out according to a fluidized bed impregnation process, in which the polymeric matrix is in powder form.
- the coating of the fibers can be done by passing through an impregnating bath containing the polymeric matrix in the molten state. The polymer matrix then solidifies around the fibers to form a semi-finished product consisting of a pre-impregnated fiber ribbon that can then be wound or a ⁇ re-imrigated fiber fabric.
- the manufacture of the finished part comprises a step of consolidating the polymeric matrix, which is for example melted locally to create zones for fixing the fibers together and to secure the fiber ribbons in the process of filamentary winding. .
- a film from the polymer matrix in particular by means of an extrusion or calendering process, said film having for example a thickness of about 100 ⁇ m, and then to place it between two mats of fibers, the whole being then pressed hot to allow 1 impregnation of the fibers and the manufacture of the composite.
- the composite fibers obtained as described above have an interest in various applications, due to their high modulus (typically greater than 50 GPa) and high resistance, resulting in a stress at break greater traction than 200 MPa at 23 0 vs.
- the present invention more specifically relates to the use of the aforementioned composite fibers for the manufacture of nose, wings or rocket or aircraft cabins; off-shore flexible armor; automotive bodywork components, engine chassis or automobile support parts; or structural elements in the field of building or bridges and roadways.
- a VDF homopolymer is mixed (Kynar ⁇ 710 supplied by Arkema) with a fluorinated polymer grafted with maleic anhydride (Kynar ® ADX 120 supplied by Arkema), in a weight proportion of the PVDF to the grafted fluoropolymer 75: 25.
- Carbon nanotubes (CNTs) (ClOO Graphistrength ® supplied by Arkema) are then added to this mixture in a proportion of 2% by weight based on the weight of the polymer blend.
- a composite matrix is then obtained which is used to coat a continuous carbon fiber in a fluidized bed before transferring the pre-impregnated fiber, via a guiding system, to a press adapted to the manufacture of a composite plate. stratified. Hot press
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Graft Or Block Polymers (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/666,678 US8883898B2 (en) | 2007-06-27 | 2008-06-27 | Method for impregnating continuous fibres with a composite polymer matrix containing a grafted fluorinated polymer |
JP2010514070A JP5254328B2 (ja) | 2007-06-27 | 2008-06-27 | グラフト化フッ素ポリマーを含む複合ポリマーマトリクスを連続繊維に含浸させる方法 |
AT08806114T ATE554903T1 (de) | 2007-06-27 | 2008-06-27 | Verfahren zur imprägnierung durchgehender fasern mit einer verbundpolymermatrix mit einem gepfropften und fluorinierten polymer |
CN200880022311.0A CN101687345B (zh) | 2007-06-27 | 2008-06-27 | 以含有接枝的氟化聚合物的复合聚合物基质浸渍连续纤维的方法 |
EP08806114A EP2160275B1 (fr) | 2007-06-27 | 2008-06-27 | Procédé d'imprégnation de fibres continues par une matrice polymérique composite renfermant un polymère fluoré greffé |
BRPI0812984-3A BRPI0812984B1 (pt) | 2007-06-27 | 2008-06-27 | Processo de impreganação de fibras contínuas por uma matriz polimérica compósita contendo um polímero enxertado fluorado |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0704617 | 2007-06-27 | ||
FR0704617A FR2918082B1 (fr) | 2007-06-27 | 2007-06-27 | Procede d'impregnation de fibres continues par une matrice polymerique composite renfermant un polymere fluore greffe. |
Publications (2)
Publication Number | Publication Date |
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WO2009007616A2 true WO2009007616A2 (fr) | 2009-01-15 |
WO2009007616A3 WO2009007616A3 (fr) | 2009-07-23 |
Family
ID=39126137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/FR2008/051186 WO2009007616A2 (fr) | 2007-06-27 | 2008-06-27 | Procédé d'imprégnation de fibres continues par une matrice polymérique composite renfermant un polymère fluoré greffé |
Country Status (9)
Country | Link |
---|---|
US (1) | US8883898B2 (fr) |
EP (1) | EP2160275B1 (fr) |
JP (1) | JP5254328B2 (fr) |
KR (1) | KR20100024960A (fr) |
CN (1) | CN101687345B (fr) |
AT (1) | ATE554903T1 (fr) |
BR (1) | BRPI0812984B1 (fr) |
FR (1) | FR2918082B1 (fr) |
WO (1) | WO2009007616A2 (fr) |
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CN102010554B (zh) * | 2010-11-09 | 2012-12-05 | 杭州福膜新材料科技有限公司 | 一种聚偏氟乙烯薄膜专用料 |
CN102505479A (zh) * | 2011-09-30 | 2012-06-20 | 东华大学 | 表面涂覆pvdf的聚酰胺改性纤维及其制备和应用 |
CN102717558B (zh) * | 2012-07-04 | 2015-04-29 | 北京汽车研究总院有限公司 | 绿色车用天然纤维复合材料及其制备方法与应用 |
US20150240658A1 (en) * | 2012-10-01 | 2015-08-27 | United Technologies Corporation | Carbon Nanotubes for Increasing Vibration Damping In Polymer Matrix Composite Containment Cases for Aircraft Engines |
KR101381744B1 (ko) | 2012-10-10 | 2014-04-07 | 동아대학교 산학협력단 | 전도성 및 축열성을 가지는 직물의 제조방법 및 이 방법에 의해 제조된 직물 |
CN102926197B (zh) * | 2012-11-15 | 2014-05-07 | 杭州水处理技术研究开发中心有限公司 | 一种用于离子交换膜制备的支撑布制造方法 |
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FR3011504B1 (fr) * | 2013-10-04 | 2015-10-23 | Arkema France | Article textile en pvdf |
CN103556467B (zh) * | 2013-11-05 | 2016-06-29 | 北京麻世纪流行面料研发有限公司 | 一种麻面料及制作方法 |
FR3033573B1 (fr) | 2015-03-10 | 2018-03-23 | Arkema France | Composition et pre-impregne thermoplastiques, materiau composite a base dudit pre-impregne et utilisations dudit materiau composite |
WO2017087484A1 (fr) * | 2015-11-19 | 2017-05-26 | Arkema Inc. | Agent de liaison de fibres de fluoropolymère et articles produits à l'aide dudit agent |
CN107413378A (zh) * | 2016-05-23 | 2017-12-01 | 中国科学院上海硅酸盐研究所 | 一种共聚合改性的石墨相氮化碳可见光催化剂的制备方法 |
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EP3626764B1 (fr) * | 2018-09-21 | 2021-02-24 | Evonik Operations GmbH | Composite à matrice thermoplastique |
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WO2004106420A2 (fr) * | 2003-05-22 | 2004-12-09 | Zyvex Corporation | Nanocomposites et procedes |
FR2856404B1 (fr) * | 2003-06-06 | 2008-08-08 | Atofina | Procede de greffage de polymere fluore et structures multicouches comprenant ce polymere greffe |
EP1508927A3 (fr) * | 2003-07-29 | 2008-12-24 | Arkema France | Structure comprenant un polymere fluore modifie et electrode a base de cette structure |
US20050035334A1 (en) * | 2003-08-01 | 2005-02-17 | Alexander Korzhenko | PTC compositions based on PVDF and their applications for self-regulated heating systems |
EP1541343B1 (fr) * | 2003-12-02 | 2008-04-30 | Arkema France | Utilisation d'une structure à base de polymère fluoré greffé pour le stockage et le transport de produits chimiques |
JP2006182886A (ja) * | 2004-12-27 | 2006-07-13 | Du Pont Mitsui Fluorochem Co Ltd | 含フッ素樹脂積層体 |
US20060292360A1 (en) * | 2005-06-28 | 2006-12-28 | Xerox Corporation | Fuser and fixing members and process for making the same |
WO2008118228A2 (fr) * | 2006-12-05 | 2008-10-02 | Stonybrook Water Purification | Articles comprenant un support fibreux |
US7988860B2 (en) * | 2007-03-15 | 2011-08-02 | Donaldson Company Inc. | Superabsorbent-containing web that can act as a filter, absorbent, reactive layer or fuel fuse |
FR2918067B1 (fr) * | 2007-06-27 | 2011-07-01 | Arkema France | Materiau composite comprenant des nanotubes disperses dans une matrice polymerique fluroree. |
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2007
- 2007-06-27 FR FR0704617A patent/FR2918082B1/fr not_active Expired - Fee Related
-
2008
- 2008-06-27 BR BRPI0812984-3A patent/BRPI0812984B1/pt active IP Right Grant
- 2008-06-27 JP JP2010514070A patent/JP5254328B2/ja not_active Expired - Fee Related
- 2008-06-27 EP EP08806114A patent/EP2160275B1/fr active Active
- 2008-06-27 WO PCT/FR2008/051186 patent/WO2009007616A2/fr active Application Filing
- 2008-06-27 KR KR1020097027002A patent/KR20100024960A/ko not_active Application Discontinuation
- 2008-06-27 CN CN200880022311.0A patent/CN101687345B/zh active Active
- 2008-06-27 US US12/666,678 patent/US8883898B2/en active Active
- 2008-06-27 AT AT08806114T patent/ATE554903T1/de active
Patent Citations (3)
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US3779854A (en) * | 1971-06-18 | 1973-12-18 | Pennwalt Corp | Polyvinylidene fluoride laminate construction and method |
EP0347826A2 (fr) * | 1988-06-20 | 1989-12-27 | E.I. Du Pont De Nemours And Company | Articles composites de polymères fluorés renforcés par des filaments continus |
WO2006045636A1 (fr) * | 2004-10-19 | 2006-05-04 | Arkema France | Tube a base d'elastomere vulcanise et d'un fluoropolymere modifie |
Also Published As
Publication number | Publication date |
---|---|
KR20100024960A (ko) | 2010-03-08 |
CN101687345A (zh) | 2010-03-31 |
BRPI0812984A2 (pt) | 2014-12-16 |
US8883898B2 (en) | 2014-11-11 |
EP2160275A2 (fr) | 2010-03-10 |
JP5254328B2 (ja) | 2013-08-07 |
CN101687345B (zh) | 2014-11-19 |
FR2918082A1 (fr) | 2009-01-02 |
US20110166278A1 (en) | 2011-07-07 |
FR2918082B1 (fr) | 2011-07-01 |
WO2009007616A3 (fr) | 2009-07-23 |
EP2160275B1 (fr) | 2012-04-25 |
ATE554903T1 (de) | 2012-05-15 |
BRPI0812984B1 (pt) | 2018-04-10 |
JP2010531396A (ja) | 2010-09-24 |
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