WO2013050074A1 - Procédé de fabrication de matériaux composites renforcés par des fibres - Google Patents

Procédé de fabrication de matériaux composites renforcés par des fibres Download PDF

Info

Publication number
WO2013050074A1
WO2013050074A1 PCT/EP2011/067411 EP2011067411W WO2013050074A1 WO 2013050074 A1 WO2013050074 A1 WO 2013050074A1 EP 2011067411 W EP2011067411 W EP 2011067411W WO 2013050074 A1 WO2013050074 A1 WO 2013050074A1
Authority
WO
WIPO (PCT)
Prior art keywords
polyamide
solvent
textile structure
binder
binder composition
Prior art date
Application number
PCT/EP2011/067411
Other languages
German (de)
English (en)
Inventor
Dietrich Scherzer
Philippe Desbois
Uwe Gleiter
Martin Weber
Michael Gall
Original Assignee
Basf Se
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 Basf Se filed Critical Basf Se
Priority to CN201180073848.1A priority Critical patent/CN103826833A/zh
Priority to PCT/EP2011/067411 priority patent/WO2013050074A1/fr
Priority to EP11770730.7A priority patent/EP2763842A1/fr
Publication of WO2013050074A1 publication Critical patent/WO2013050074A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • 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
    • B29B11/00—Making preforms
    • B29B11/14—Making preforms characterised by structure or composition
    • B29B11/16—Making preforms characterised by structure or composition comprising fillers or reinforcement
    • 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
    • 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
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material

Definitions

  • the present invention relates to a method for producing molded parts from fiber-reinforced composite materials and to binders for pre-forming textile structures in the production of structural materials by the RIM or RTM method.
  • a known process for the production of fiber-reinforced sandwich components based on cast polyamide is based on the so-called RTM process (resin transfer molding).
  • the core is provided with layers of dry, ie. H. non-preimpregnated fiber material arranged in a sealable form.
  • the mold consists of two heatable mold halves whose inner contour corresponds to the outer contour of the finished component. In the closed mold space, liquid resin is supplied to the dry fiber material. The resin is cured by heating the mold.
  • the resin can be supplied either at overpressure in the RTM form or at vacuum in the RTM form.
  • the respective pressure difference is u. a. the avoidance of unwanted air pockets in the cover layer.
  • the present invention was therefore based on the object to remedy the aforementioned disadvantages. Surprisingly, it has now been found that this object is achieved by first pretreating a textile structure with a polymeric binder and subjecting it to a shaping step, and bringing the binder-containing, shaped textile structure thus obtained into contact with a polymerizable composition and polymerizing it.
  • a first subject of the invention is therefore a process for producing molded parts from fiber reinforced composites, comprising: a1) impregnating a textile structure with at least one liquid binder composition in the form of a solution or dispersion of a polymeric binder in a solvent, a2) forming the textile Structure wherein steps a1) and a2) may be performed in any order to obtain an impregnated formed textile structure, b) at least partially removing the solvent from the impregnated molded textile structure to obtain a binder-containing molded texti - len structure, c) impregnating the obtained in step b), binder-containing, shaped textile structure with a polymerizable composition and polymerization of the polymerizable composition.
  • Another object of the invention is a composite molding obtainable by the process as defined above and hereinafter.
  • Another object of the invention is the use of such a composite material molding as a shell for safety helmets, z. B. as a head protection for persons.
  • Another object of the invention is a liquid binder composition consisting of an amorphous polyamide and a solvent or a solvent mixture.
  • Another object of the invention is the use of a liquid binder composition as defined above and for pre-forming textile structures in the production of composites by the RIM or RTM process.
  • a "fiber reinforced composite molding” means an article comprising a fiber reinforced composite material or made of a fiber reinforced composite material having a shape suitable for a desired application.
  • the textile structure can be brought into contact with the at least one liquid binder composition by customary methods known to the person skilled in the art.
  • the binder-containing, shaped, textile structure obtained in step b) can be brought into contact with the polymerisable composition by customary methods known to the person skilled in the art.
  • the impregnation in steps a1) and c) can each independently, z. Example, by conventional application methods such as spraying, brushing, pouring, dipping, printing, etc., take place.
  • the impregnation can be carried out using reduced pressure.
  • a phase of reduced pressure may be followed by a phase of reduced pressure.
  • the textile structure is preferably sprayed with the liquid binder composition in step a1).
  • the process according to the invention makes it possible to produce molded parts from fiber-reinforced composite materials of consistent quality.
  • fiber-reinforced composite materials with constant mechanical properties. These include, for example, tensile strength, modulus of elasticity, impact resistance and the like.
  • the textile structure used in the method according to the invention serves as a reinforcing material for the production of the composite molded parts.
  • fibers or fiber structures are suitable as a textile structure.
  • the textile structure is preferably selected from rovings, fabrics (including microfiber fabrics), knits (knitwear), knits, mats, mats, nonwovens, felts, etc., and combinations thereof.
  • textile fabrics can be used from fibers, for. In the form of linen, strings, ropes, yarns or threads.
  • the fibers may be of natural or synthetic origin.
  • fibers of inorganic materials and fibers of organic materials can be used.
  • Fibers of organic materials may include natural polymers, synthetic polymers, or combinations thereof, or may consist of natural polymers, synthetic polymers, or combinations thereof.
  • Suitable fibers include inorganic materials such as high modulus carbon fibers, silicate and non-silicate glasses of various types, carbon, boron, silicon carbide, metals, metal alloys, metal oxides, metal nitrides, metal carbides and silicates and organic materials such as natural and synthetic polymers, for example polyacrylonitriles, polyesters , ultra-high-elongation polyolefin fibers, polyamides, polyimides, aramids, liquid-crystal polymers, polyphenylene sulfides, polyether ketones, polyether ether ketones, polyetherimides, cotton, cellulose and other natural fibers such as flax, sisal, kenaf, hemp, abaca.
  • inorganic materials such as high modulus carbon fibers, silicate and non-silicate glasses of various types, carbon, boron, silicon carbide, metals, metal alloys, metal oxides, metal nitrides, metal carbides and silicates and organic materials such as natural and synthetic
  • high-melting materials for example glasses, carbon, aramids, liquid-crystal polymers, polyphenylene sulfides, polyether ketones, polyether ether ketones and polyetherimides.
  • the fibers used according to the invention are particularly preferably selected from glass fibers, carbon fibers, aramid fibers, steel fibers, ceramic fibers, various temperature-resistant polymeric fibers and combinations thereof.
  • Particularly suitable textile structures are rovings of the abovementioned fibers, preferably nonlinear and linear structures, particularly preferably flat shaped bodies such as fibers, yarns, threads, ropes and textile structures such as woven, knitted, knitted, braided and nonwoven fabrics.
  • Nonwovens, felts, fabrics, rovings, roving fabrics and mats are particularly suitable as a textile structure.
  • Tissues, nonwovens and scrims are particularly suitable as textile structures.
  • the textile structure preferably comprises or consists of glass fibers, carbon fibers and / or fibers of temperature-resistant plastics.
  • Particularly preferred are textile structures based on glass, carbon or aramid fibers, especially glass or carbon fibers.
  • the composite moldings according to the invention preferably have a content of fibers of 20 to 85 vol .-%, particularly preferably 40 to 70 vol .-%, based on the total volume of the composite molding on.
  • a special embodiment are composite moldings with purely unidirectional reinforcement.
  • Composite moldings with purely unidirectional reinforcement preferably have a content of fibers of 30 to 90% by volume, particularly preferably 40 to 80% by volume, based on the total volume of the composite molding.
  • the reinforcing material may be evenly distributed in the composite molding according to the invention, but it may also be used in certain parts of the composite material, for. B. in the edge regions and / or particular reinforcement zones, be present in a greater proportion than in other parts of the composite material.
  • the liquid binder composition used in step a1) contains from 1 to 30% by weight, especially from 2 to 20% by weight, based on its total weight, of the polymeric binder.
  • the polymeric binder contained in the binder composition preferably comprises at least one thermoplastic polymer.
  • the polymeric binder contained in the binder composition consists of a thermoplastic polymer or a mixture of thermoplastic polymers.
  • the thermoplastic polymer is selected from polyamides and blends of polyamides.
  • Suitable z As polyamides derived from lactams with 7 to 13 ring members such as polycaprolactam, polycapryllactam and polylaurolactam and polyamides obtained by reacting dicarboxylic acids with diamines.
  • dicarboxylic acids z. B. alkanedicarboxylic acids having 6 to 12, in particular 6 to 10 carbon atoms and aromatic dicarboxylic acids, in particular adipic acid, azelaic acid, sebacic acid, dodecanedioic acid, terephthalic acid and / or isophthalic acid.
  • Particularly suitable diamines are alkanediamines having 6 to 12 carbon atoms and aromatic diamines such as m-xylylenediamine, di (4-aminophenyl) methane,
  • polyamides which are obtainable by copolymerization of two or more of the abovementioned monomers or mixtures of a plurality of polyamides are suitable, the mixing ratio being arbitrary.
  • the following non-exhaustive list contains suitable polyamides and their monomers.
  • PA 4 pyrrolidone, PA 6 ⁇ -caprolactam, PA 7 ethanolactam, PA 8 capryllactam, PA 9 9-aminopelargonic acid, PA 1 1 1 1 -aminoundecanoic acid, PA 12 laurolactam.
  • AA / BB-polymers PA 46 tetramethylenediamine, adipic acid,
  • PA 66 hexamethylenediamine, adipic acid
  • PA 69 hexamethylenediamine, azelaic acid
  • PA 610 hexamethylenediamine, sebacic acid
  • PA 612 hexamethylenediamine, decanedicarboxylic acid
  • PA 613 hexamethylenediamine, undecanedicarboxylic acid
  • PA 1212 1, 12-dodecanediamine, decanedicarboxylic acid,
  • PA 1313 1, 13-diaminotridecane, undecanedicarboxylic acid,
  • PA 6T hexamethylenediamine, terephthalic acid
  • PA MXD6 m-xylylenediamine, adipic acid
  • PA 6-3-T trimethylhexamethylenediamine, terephthalic acid
  • PA 6 / 6T see PA 6 and PA 6T
  • PA 6/66 (see PA 6 and PA 66),
  • PA 6/12 see PA 6 and PA 12
  • PA 66/6/610 see PA 66, PA 6 and PA 610
  • PA 6I / 6T see PA 61 and PA 6T
  • PA PA PACM 12 diaminodicyclohexylmethane, laurolactam,
  • PA 6I / 6T / PACM such as PA 6I / 6T + diaminodicyclohexylmethane
  • PA 12 / MACMT laurolactam dimethyldiaminodicyclohexylmethane, terephthalic acid
  • PA PDA-T phenylenediamine, terephthalic acid.
  • thermoplastic polymer is selected from amorphous polyamides and blends of amorphous polyamides.
  • the thermoplastic polymer is selected from polyamide 6, polyamide 66, polyamide 6/66, and blends containing polyamide 6, polyamide 66, and / or polyamide 6/66 as the major component.
  • a "main constituent" is understood to mean that a thermoplastic polymer composition containing at least 50% by weight, based on the total weight, of polyamide 6, polyamide 66 and / or nylon 6/66 is used.
  • Ultramid® 1 C BASF SE a polyamide 6/66/136.
  • Suitable solvents for the liquid binder composition are water, alkanols, such as C 1 - to C 20 -alkanols, methanol, ethanol, n-propanol, isopropanol, n-butanol, Tanol, iso-butanol, tert-butanol, n-pentanol, iso-pentanol, n-hexanol, isohexanol, n-heptanol, iso-heptanol, n-octanol, iso-octanol, ketones such as acetone, methyl ethyl ketone , Esters, such as ethyl acetate and halogenated solvents, such as methylene chloride, chloroform and carbon tetrachloride, or mixtures thereof, preferably water, C 1 -C 12 -alkanols, such as methanol, ethanol,
  • the solvent used is preferably water or an aqueous-alcoholic solvent. Particularly preferred solvents are water / ethanol or water / propanol mixtures.
  • the liquid binder composition used is a solution of a polyamide or polyamide blend in a water / ethanol or water / propanol mixture.
  • step b) of the process according to the invention the solvent is at least partially removed.
  • a binder-containing, shaped, textile structure is obtained, which is then impregnated in step c) with a polymerizable composition and subjected to polymerization.
  • step b) The partial removal of the solvent in step b) can be carried out by customary methods known to the person skilled in the art. This preferably includes evaporation under reduced pressure and / or elevated temperature.
  • the solvent is preferably removed in step b) to at least 30% by weight, preferably at least 50% by weight, in particular at least 70% by weight, based on the original amount of solvent.
  • the solvent is at least 80 wt .-%, more preferably at least 90 wt .-%, based on the amount originally used, removed.
  • step c) of the process according to the invention the binder-containing, shaped textile structure obtained in step b) is impregnated with a polymerizable composition and subsequently subjected to a polymerization.
  • the polymerizable composition is preferably selected from polyamide resins, epoxy resins or polyurethane resins.
  • the polymerizable composition contains as polymerizable constituents a lactam or lactam resin.
  • Specially suitable polymerizable compositions are available under the name "cast polyamides".
  • the polymerizable composition used in step c) preferably contains ⁇ -caprolactam as the polymerizable constituent. Suitable is the use of ⁇ -caprolactam as the sole polymerizable component and of mixtures containing ⁇ -caprolactam and at least one component copolymerizable therewith.
  • Up to 20 wt .-%, that is 0 to 20 wt .-%, preferably 0 to 17 wt .-%, particularly preferably 0 to 15 wt .-% of caprolactam can by co-monomers from the group of lactams with at least 4 C atoms are used. Particularly preferred as a comonomer is o-lauryl lactam.
  • the polymerizable composition used is a mixture of ⁇ -caprolactam and ⁇ -laurolactam.
  • the mixing ratio of ⁇ -caprolactam and ⁇ -laurolactam is generally from 1000: 1 to 1: 1000, preferably 100: 1 to 1: 100, more preferably 10: 1 to 1:10, in particular 2: 1 to 1: 2.
  • activators of the polymerizable composition are compounds which can be prepared by reacting isocyanates, for example HDI (hexamethylene diisocyanate) with lactams, for example ⁇ -caprolactam, and blocked isocyanates, isophthaloylbiscaprolactam, terephthaloyl-biscaprolactam, esters, such as dimethylphthalate-polyethylene glycol , Polyols or polydienes in combination with acid chlorides, carbonylbiscaprolactam, hexamethylene diisocyanate or acyl lactamate, preferably isocyanates, hexamethylene diisocyanate or acyl lactamate, more preferably hexamethylene diisocyanate or acyl lactamate and alkaline catalysts such as magnesium halo lactamates, alkali caprolactamates, aluminum or magnesium lactam, sodium caprolactamate or magnesium Bromide lactamate, preferably alkali caprolact
  • activators all activators that are used for the activated anionic polymerization can be used, such.
  • N-acyl lactams such as N-acetyl caprolactam, substituted triazines, carbodiimides, cyanamides, mono- and polyisocyanates and the corresponding masked isocyanate compounds.
  • the activators are preferably used in concentrations of 0.1 to 1 mol%, based on the Lammenammenge.
  • lactams with at least five ring members such as.
  • Suitable alkaline catalysts can be prepared by reacting a polyether with the corresponding alkali or alkaline earth metal compound, such as.
  • the catalysts are generally added in amounts of from 0.1 to 40% by weight, preferably from 0.2 to 15% by weight, based on the polymerisable components.
  • Suitable catalysts for the polymerization are potassium or sodium lactamates. Particularly suitable is sodium caprolactamate, which can be easily prepared from NaH and ⁇ -caprolactam.
  • the mixing ratio of caprolactam, activator and alkaline catalyst can be varied within wide limits, as a rule, the molar ratio of caprolactam to activator to alkaline catalyst is 1000: 1: 1 to 1000: 200: 50.
  • the polymerization is preferably carried out at a temperature in a range of 50 to 250 ° C, more preferably 70 to 200 ° C, especially 100 to 190 ° C.
  • the binder composition used is a thermoplastic polymer selected from polyamides and blends of polyamides and a polymerizable composition containing as polymerizable constituents a lactam or lactam resin.
  • a thermoplastic polymer selected from polyamides and blends of polyamides and a polymerizable composition containing as polymerizable constituents a lactam or lactam resin.
  • Such a system is characterized by excellent compatibility of the components used.
  • the binder composition shows little or no inhibiting effect on the polymerizable composition.
  • step a2) is carried out before step a1), the already deformed fabric remains in the mold after evaporation of the solvent.
  • the tissues treated in this way can also be deformed by heating in a second step.
  • the deformation can be carried out in the injection molding tool, but also in an upstream step. Processes for the production of structural components are known, for example, from the plastics manual "Duroplast 10", Hanserverlag 1988 on page 825 et seq.
  • the pre-formed textile can either be left in the heated mold after drying of the binder or introduced into the final polymerization tool.
  • the caprolactam can be introduced together with the activators and catalysts, saturates the textile structure and hardens. It can be polymerized at mold temperatures of 100 to 190 ° C and optionally postpolymerized at temperatures of 80 to 150 ° C.
  • a suitable sequence of processing steps is:
  • the inventive method is particularly simple and cheap and therefore suitable for large series.
  • the process according to the invention can be carried out as follows:
  • the core can be arranged in a sealable form with layers of binder-containing, dried, textile structures arranged thereon.
  • the mold usually consists of two heatable mold halves whose inner contour and their outer contour correspond to the finished components.
  • molten lactam can be supplied to the dry pre-formed fiber material with the additives required for the polymerization.
  • the lactam can be cured by heating the mold.
  • the resin at atmospheric pressure preferably at a pressure of 1, 1 to 20 bar, preferably 1, 5 to 5 bar, more preferably 1, 0 to 3.0 bar or at a pressure of 0.001 to 0.9 bar, preferably 0.1 to 0.8 bar, more preferably 0.2 to 0.6 bar in the RTM or RIM form are supplied.
  • the invention also generally relates to the use of a liquid binder composition, as defined above, for pre-forming textile structures in the production of composites.
  • the composite materials are then produced by the RIM or RTM process.
  • the term composite material is then generally understood as meaning materials made of two or more bonded materials, such as particle composite materials (dispersion materials, fiber composite materials, laminates, and interpenetration composite materials.) Preference is given to fiber composites and layered composites (laminates); fiber composites are particularly preferred.
  • the composite parts produced according to the invention are preferably suitable for use as a shell for safety helmets as head protection for persons.
  • safety helmets for persons who drive or drive a motor vehicle, motorcycle, bicycle, etc.
  • safety helmets for sporting activities such as mountaineering, roller skating, etc.
  • safety helmets for children safety helmets as protection against injury for disabled persons
  • safety helmets for occupational safety z. B. in construction, mining, etc.
  • the fabric or textile structures used to reinforce the component are either pre-loaded into the mold, impregnated with the binder and pre-formed by closing the tool and evaporating the solvent and injecting the activated and catalyzed lactam, or they are pre-formed in a second heated tool and then into introduced the polymerization.
  • Catalyst 17 to 19% strength by weight sodium caprolactamate in caprolactam: Brüggolene® C10 (Brüggemann, Heilbronn)
  • caprolactam AP-Nylon® caprolactam (Brüggemann, Heilbronn)
  • the resulting molded article was perfect and showed no surface disorder.
  • the glass fiber mats used for reinforcement (manufacturer: Saertex) 5 x 90/10 (basis weight 424 g / m 2 ) were placed in the tool (hat shape) and adapted by hand to the contours.
  • the tool was poured out with a cast polyamide system from Brüggemann (Heilbronn) as described above.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

La présente invention concerne un procédé de fabrication de pièces façonnées en matériaux composites renforcés par des fibres, ainsi que des liants pour le préformage de structures textiles lors de la fabrication de matériaux de structure par le procédé RIM ou RTM.
PCT/EP2011/067411 2011-10-05 2011-10-05 Procédé de fabrication de matériaux composites renforcés par des fibres WO2013050074A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201180073848.1A CN103826833A (zh) 2011-10-05 2011-10-05 制备纤维增强的复合材料的方法
PCT/EP2011/067411 WO2013050074A1 (fr) 2011-10-05 2011-10-05 Procédé de fabrication de matériaux composites renforcés par des fibres
EP11770730.7A EP2763842A1 (fr) 2011-10-05 2011-10-05 Procédé de fabrication de matériaux composites renforcés par des fibres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/067411 WO2013050074A1 (fr) 2011-10-05 2011-10-05 Procédé de fabrication de matériaux composites renforcés par des fibres

Publications (1)

Publication Number Publication Date
WO2013050074A1 true WO2013050074A1 (fr) 2013-04-11

Family

ID=44897715

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/067411 WO2013050074A1 (fr) 2011-10-05 2011-10-05 Procédé de fabrication de matériaux composites renforcés par des fibres

Country Status (3)

Country Link
EP (1) EP2763842A1 (fr)
CN (1) CN103826833A (fr)
WO (1) WO2013050074A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104999675A (zh) * 2015-07-06 2015-10-28 湖北三江航天红阳机电有限公司 一种小尺寸防热复合材料螺钉的制备方法
US9186852B2 (en) 2013-11-22 2015-11-17 Johns Manville Fiber-containing prepregs and methods and systems of making
US10717245B2 (en) 2018-04-03 2020-07-21 Johns Manville System for producing a fully impregnated thermoplastic prepreg
US10857744B2 (en) 2018-04-03 2020-12-08 Johns Manville System for producing a fully impregnated thermoplastic prepreg

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111761844A (zh) * 2020-06-30 2020-10-13 诺思贝瑞新材料科技（苏州）有限公司 一种3d打印用连续纤维复合材料及其制备方法及装置
CN113844061B (zh) * 2021-08-31 2023-03-14 中航复合材料有限责任公司 一种单向纤维纱复合材料板件rtm成型工艺方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0722825A2 (fr) 1995-01-03 1996-07-24 The Boeing Company Procédé pour le moulage par transfert de résine en combinaison avec noyau en nid d'abeilles
EP0770472A1 (fr) 1995-10-27 1997-05-02 AEROSPATIALE Société Nationale Industrielle Procédé de fabrication d'un panneau en matériau composite avec moulage par transfert de resine
EP0786330A2 (fr) 1996-01-29 1997-07-30 Hexcel Corporation Panneaux sandwich en mid d'abeilles légers et résistants à l'eau réalisés par moulage par transfert de résine
WO1998030374A1 (fr) * 1997-01-08 1998-07-16 The Dow Chemical Company Procede pour preparer des preformes et des articles moules
WO2001041993A2 (fr) * 1999-12-07 2001-06-14 The Boeing Company Procede de diffusion sous vide a double enveloppe et systeme de fabrication de composite avance a faible cout
WO2002074469A2 (fr) 2000-12-08 2002-09-26 Toyota Motor Sales Usa Inc. Structure composite moulee et procede de realisation correspondant
EP1281505A1 (fr) 2001-08-03 2003-02-05 Fuji Jukogyo Kabushiki Kaisha Procédé pour obtenir des panneaux composites à nid d'abeille
JP2006187947A (ja) * 2005-01-06 2006-07-20 Nissan Motor Co Ltd プリフォームの製造方法、繊維強化複合材料の製造方法、プリフォーム及びこれを用いた繊維強化複合材料
WO2011034040A1 (fr) * 2009-09-16 2011-03-24 東レ株式会社 Composition de liant, matériau de base à fibres de renforcement, préforme, matériau composite renforcé par des fibres et procédé de fabrication correspondant
US20110244743A1 (en) * 2010-04-01 2011-10-06 Basf Se Process for producing fiber-reinforced composite materials using polyamides as binders
US20120088048A1 (en) * 2010-04-01 2012-04-12 Basf Se Process for producing fiber-reinforced composite materials

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0722825A2 (fr) 1995-01-03 1996-07-24 The Boeing Company Procédé pour le moulage par transfert de résine en combinaison avec noyau en nid d'abeilles
EP0770472A1 (fr) 1995-10-27 1997-05-02 AEROSPATIALE Société Nationale Industrielle Procédé de fabrication d'un panneau en matériau composite avec moulage par transfert de resine
EP0786330A2 (fr) 1996-01-29 1997-07-30 Hexcel Corporation Panneaux sandwich en mid d'abeilles légers et résistants à l'eau réalisés par moulage par transfert de résine
WO1998030374A1 (fr) * 1997-01-08 1998-07-16 The Dow Chemical Company Procede pour preparer des preformes et des articles moules
WO2001041993A2 (fr) * 1999-12-07 2001-06-14 The Boeing Company Procede de diffusion sous vide a double enveloppe et systeme de fabrication de composite avance a faible cout
WO2002074469A2 (fr) 2000-12-08 2002-09-26 Toyota Motor Sales Usa Inc. Structure composite moulee et procede de realisation correspondant
EP1281505A1 (fr) 2001-08-03 2003-02-05 Fuji Jukogyo Kabushiki Kaisha Procédé pour obtenir des panneaux composites à nid d'abeille
JP2006187947A (ja) * 2005-01-06 2006-07-20 Nissan Motor Co Ltd プリフォームの製造方法、繊維強化複合材料の製造方法、プリフォーム及びこれを用いた繊維強化複合材料
WO2011034040A1 (fr) * 2009-09-16 2011-03-24 東レ株式会社 Composition de liant, matériau de base à fibres de renforcement, préforme, matériau composite renforcé par des fibres et procédé de fabrication correspondant
US20110244743A1 (en) * 2010-04-01 2011-10-06 Basf Se Process for producing fiber-reinforced composite materials using polyamides as binders
US20120088048A1 (en) * 2010-04-01 2012-04-12 Basf Se Process for producing fiber-reinforced composite materials

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Duroplaste 10", 1988, HANSERVERLAG, pages: 825 FF
D. B. MIRACLE & S. L. DONALDSON: "Composites", December 2001, ASM HANDBOOK, USA, ISBN: 0871707039, article C. D. RUDD: "Resin transfer molding and structural reaction injection molding", pages: 492 - 500, XP002676513 *
DATABASE WPI Week 200652, Derwent World Patents Index; AN 2006-506803, XP002676512 *
DATABASE WPI Week 201126, Derwent World Patents Index; AN 2011-C89254, XP002676511 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9186852B2 (en) 2013-11-22 2015-11-17 Johns Manville Fiber-containing prepregs and methods and systems of making
CN104999675A (zh) * 2015-07-06 2015-10-28 湖北三江航天红阳机电有限公司 一种小尺寸防热复合材料螺钉的制备方法
US10717245B2 (en) 2018-04-03 2020-07-21 Johns Manville System for producing a fully impregnated thermoplastic prepreg
US10857744B2 (en) 2018-04-03 2020-12-08 Johns Manville System for producing a fully impregnated thermoplastic prepreg
US11458696B2 (en) 2018-04-03 2022-10-04 Johns Manville System for producing a fully impregnated thermoplastic prepreg

Also Published As

Publication number Publication date
CN103826833A (zh) 2014-05-28
EP2763842A1 (fr) 2014-08-13

Similar Documents

Publication Publication Date Title
EP2451621B1 (fr) Procédé de production de matériaux composites renforcés par des fibres en polyamide 6 et copolyamides de polyamide 6 et polyamide 12
EP2681038B1 (fr) Procede de fabrication de produits semi-finis plats renforces par fibres sur une matrice polyamide
JP6140862B2 (ja) 複合ポリアミド物品
EP2763842A1 (fr) Procédé de fabrication de matériaux composites renforcés par des fibres
EP0755966B1 (fr) Composites thermoplastiques thermoformables
CN103201100B (zh) 重叠注塑的聚酰胺复合结构及其制备方法
US20120088048A1 (en) Process for producing fiber-reinforced composite materials
US20110244743A1 (en) Process for producing fiber-reinforced composite materials using polyamides as binders
DE102010040027B4 (de) Verfahren zur Herstellung von faserverstärkten Gusspolyamid-Formkörpern
EP3261813B1 (fr) Procédé de fabrication de composants ou demi-produits renforcés de fibres
JP2012532937A (ja) ポリアミド複合物品
EP3130622B1 (fr) Composition polymerisable
WO2004009325A1 (fr) Matieres plastiques thermoplastiques renforcees de fibres de verre
WO2017125342A1 (fr) Composition polymérisable
WO2016150716A1 (fr) Procédé de fabrication d'un semi-produit thermoplastique renforcé par des fibres
EP3274161A1 (fr) Procédé pour produire des corps moulés renforcés par des fibres, corps moulés renforcés par des fibres produits selon ce procédé et leur utilisation
EP3305829A1 (fr) Composition polymérisable

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11770730

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2011770730

Country of ref document: EP