EP3755833A1 - Fadenstruktur - Google Patents
FadenstrukturInfo
- Publication number
- EP3755833A1 EP3755833A1 EP19721187.3A EP19721187A EP3755833A1 EP 3755833 A1 EP3755833 A1 EP 3755833A1 EP 19721187 A EP19721187 A EP 19721187A EP 3755833 A1 EP3755833 A1 EP 3755833A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thread
- thread structure
- bundles
- thermoplastic matrix
- bundle
- 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
Links
- 239000011159 matrix material Substances 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 28
- 239000004416 thermosoftening plastic Substances 0.000 claims description 28
- 239000004033 plastic Substances 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000012467 final product Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000013067 intermediate product Substances 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 description 13
- 239000000835 fiber Substances 0.000 description 12
- 239000004744 fabric Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 5
- 239000012815 thermoplastic material Substances 0.000 description 5
- 229920001187 thermosetting polymer Polymers 0.000 description 5
- 238000011143 downstream manufacturing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D9/00—Open-work fabrics
-
- 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
- D03D15/40—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 structure of the yarns or threads
- D03D15/47—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 structure of the yarns or threads multicomponent, e.g. blended yarns or threads
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/002—With diagonal warps or wefts
-
- 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
- D03D15/50—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 properties of the yarns or threads
- D03D15/587—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 properties of the yarns or threads adhesive; fusible
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/04—Heat-responsive characteristics
- D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/02—Reinforcing materials; Prepregs
Definitions
- the present invention relates to a filament structure according to claim 1. Prepregs are well known.
- DE 69003875T 2 discloses a prepreg consisting of warp thread
- weft threads is made, wherein the weft threads extend obliquely to the direction of the warp thread. This structure is created for a particular wearer and is not changed anymore.
- U.S. Patent No. 5,553,654 discloses a belt of reinforced construction.
- the individual reinforcing elements have different directions of laying.
- US 2005 / 0085147A 1 discloses a prepreg woven from bundles of fibers with gaps between the bundles filled by auxiliary yarns so that no openings are formed in the final product.
- the object of the present invention is to produce such prepregs with an increased utility value in a simple manner, while ensuring that the composite structure uniformly stabilizes the final product over the entire areal configuration of the final product.
- thermoplastic matrix is present in a volume which can flow into the intermediate spaces provided between the individual bundles of fibers in a subsequent pressing operation under the known parameters of pressure, temperature and time and in this way in this downstream pressing process for a uniform Laying the Einzelfädert in the final product ensures.
- thermoplastic matrix present in the respective bundle of fibers that this thermoplastic matrix together with the under Pressure from each thread bundle outwardly flowing monofilament forms a thoroughly uniformly interspersed with individual threads in each direction composite body, which is also interspersed by the manufacturer provided excess of thermoplastic matrix over the entire longitudinal and transverse dimensions with the thermoplastic matrix.
- the open lattice structure applies in all directions which lie transversely to the respective laying directions of the directionally parallel bundles of fibers.
- the thread structure of the present invention can be made as a semi-finished, sandwich or lightweight board.
- thermoplastic matrix it is essential in any case, the enforcement of the thermoplastic matrix through the entire bundle of filaments. This means that practically no air inclusions in the thermoplastic matrix are to be allowed, at least in the technically feasible range, so that the flow of the matrix in the downstream process can also lead to a full-volume matrix fraction in the end product.
- a complementary thermoplastic material can also be processed without further ado, so that thanks to the invention a two-sided anchoring of this supplementary thermoplastic material as a result of penetration through the plastic matrix present in the original prepreg leads to improvement of the material characteristics.
- the invention offers the additional advantage that in the second processing step, a lower pressure is sufficient to bring the thermoplastic materials together in Kapillarverbünd. This is achieved in particular by the elements already present in the original bundles of filaments impregnated with a thermoplastic matrix and therefore the existing in the final product filament structure must be contacted only in the microscopic range of the supplementary applied thermoplastics under a pressure that produces only the capillary composite.
- thermoplastics used today have well-known kinematic state variables that can be adjusted so that it can come to a full volume impregnation of each thread bundle, so that later end products no longer have air pockets.
- the invention shows that it can, hitherto unknown, also have constant grating values in the structure of the end product, so that reliable predictions with regard to the material characteristics can be made.
- the invention basically has holes defined by longitudinal and transverse dimensions in all embodiments, which are located between the individual bundles of filaments, at least before the filament bundles are pressed under the parameters of temperature, pressure and time in a further processing step, such a filament structure can also be used be defined by their grid values.
- Grid values are those characteristics which define the size of the recesses between the filament bundles, for example the X - or Y values in a Cartesian coordinate system. In the case of multidirectionally laid thread bundles, this applies accordingly.
- the production of the thread structure as a roller conveyor offers manufacturing technology the lowest cost per unit length and in particular the ability to prepare the roller conveyor in the form of blanks for further processing.
- Fig. 1 shows the basic principle of the invention
- Fig. 4 one in more than two parallel
- the figures show a thread structure 1 with mutually directional parallel thread sets 2,3,4; 2 ', 3', 4 ';
- the invention also applies to, for example, unidirectional thread bundles, in which only transversely to the direction of the laid thread bundles significant distances in the sense of the invention exist.
- Unidirectional thread bundles could be fixed in this case by occasional transverse auxiliary threads to each other.
- a downstream process for example by injection molding or forming, can be used to produce highly varied components for all sorts of industrial applications.
- the filament bundles are 2,3,4; 2 ', 3', 4 '; 2 '*, 3' ', 4' 'of the thermoplastic matrix 6 completely penetrated.
- Each thread bundle consists of a multiplicity of shown individual threads 5 which are embedded in the full-volume thermoplastic matrix.
- thermoplastic matrix present in each bundle of fibers connects the pairs of intersecting filament bundles at the connection points of the fabric / fabric. stable in relation to each other so that semi-finished products made of the thread structure can be cut to any desired size to match the end product.
- the bundles of fibers have the same width and the same thickness in each direction.
- the fabric or scrim constructions have a thread spacing of more than 2 mm and, depending on the requirement profile for the end product, be arranged at right angles and / or biaxially and / or multiaxially in different directions.
- each thread bundle has multilayered individual filaments 5, which are distributed more or less uniformly in the bundle of filaments and are enclosed by the thermoplastic matrix flush and full volume.
- the filament bundles have a width 9 and a height 10, so that in each bundle of filaments as many layers of filaments can be accommodated and so much thermoplastic matrix can surround these filaments that when pressing the filament structure under the known parameters pressure, temperature and time the original ones rametern pressure, temperature and time, the originally existing distances 7, 8 between the individual filament bundles are filled by flowing the monofilaments 5 in the adjacent originally released distances 7.8.
- thermoplastic matrix at least in the originally released distances 7,8 with entrainment may displace the embedded in it individual filaments 5, so that in the end a three-dimensionally shaped end product arises with evenly embedded individual filaments coming from the original bundles of filaments.
- FIG. 6 shows the presentation of the thread structure according to the invention as a roller conveyor 12, which can serve for example for the production of blanks 13, which can be processed after appropriate 3-D deformation as an end product, here for example as a can lid 14th
- the thread structure can also be produced in the form of a presentation in carbon look in order to be able to serve appropriate customer groups if necessary.
- the invention has also made the surprising finding that not only thermoplastic materials alone can be used, but also thermosetting plastics.
- thermosetting plastics of only small thickness since they remain elastic when cured, provided that they have a small thickness.
- the invention also relates to a method for producing the thread structure according to the invention, which has been found to be advantageous.
- This intermediate structure is then so abundantly charged with a liquefied plastic, which may be both thermoplastic and thermoplastic, that after the application of excess plastic must be removed.
- a liquefied plastic which may be both thermoplastic and thermoplastic, that after the application of excess plastic must be removed.
- each individual bundle of fibers forms a composite material for itself with a plastic matrix which is virtually free of air inclusions and in this way gives the thread structure in each main direction of the laid bundles of fibers considerable strength properties.
- the undesired excess quantities are removed mechanically or aerodynamically from the intermediate structure by suitable measures. This can be done for example via roller pairs or cross-flow. Thereafter, at least once the mandatory holes between the individual filament bundles are free.
- the lattice structure prepared in this way can be subjected without contact, for example by infrared heating or the like in an oven or under an infrared radiator, so that subsequently the dried finished lattice structure Product, the thread structure according to the invention, can be rolled up, so as to become role presentation.
- thermosetting plastic on the thread structure allows a high flexibility, without risk of breakage, although it is a thermosetting plastic.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Reinforced Plastic Materials (AREA)
- Nonwoven Fabrics (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL19721187T PL3755833T3 (pl) | 2018-02-23 | 2019-02-25 | Struktura włókna |
EP21215088.2A EP4001480A1 (de) | 2018-02-23 | 2019-02-25 | Fadenstruktur |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018001440.2A DE102018001440A1 (de) | 2018-02-23 | 2018-02-23 | Fadenstruktur |
PCT/EP2019/000056 WO2019161969A1 (de) | 2018-02-23 | 2019-02-25 | Fadenstruktur |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21215088.2A Division EP4001480A1 (de) | 2018-02-23 | 2019-02-25 | Fadenstruktur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3755833A1 true EP3755833A1 (de) | 2020-12-30 |
EP3755833B1 EP3755833B1 (de) | 2021-12-22 |
Family
ID=66379859
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19721187.3A Active EP3755833B1 (de) | 2018-02-23 | 2019-02-25 | Fadenstruktur |
EP21215088.2A Pending EP4001480A1 (de) | 2018-02-23 | 2019-02-25 | Fadenstruktur |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21215088.2A Pending EP4001480A1 (de) | 2018-02-23 | 2019-02-25 | Fadenstruktur |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP3755833B1 (de) |
CN (1) | CN112041491B (de) |
DE (1) | DE102018001440A1 (de) |
PL (1) | PL3755833T3 (de) |
PT (1) | PT3755833T (de) |
WO (1) | WO2019161969A1 (de) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3100926A (en) * | 1958-04-03 | 1963-08-20 | Electric Storage Battery Co | Method of producing expanded fabric-like material |
JPH01321947A (ja) * | 1988-06-20 | 1989-12-27 | Hagiwara Kogyo Kk | ネット状物 |
JPH0823095B2 (ja) * | 1989-06-06 | 1996-03-06 | 東レ株式会社 | 補強繊維織物 |
US5536554A (en) * | 1994-09-19 | 1996-07-16 | Wellington Sears Company | Reinforcing fabric for power transmission belts |
AU6517198A (en) * | 1997-04-03 | 1998-10-22 | Chisso Corporation | Long fiber-reinforced net |
US6846548B2 (en) * | 1999-02-19 | 2005-01-25 | Honeywell International Inc. | Flexible fabric from fibrous web and discontinuous domain matrix |
EP1464743B1 (de) * | 2001-12-19 | 2011-02-16 | Toray Industries, Inc. | Carbonfaserverstärkungsgewebe und -prepreg und prepregherstellungsverfahren |
US7785509B2 (en) * | 2005-12-21 | 2010-08-31 | Pascale Industries, Inc. | Expansible yarns and threads, and products made using them |
BRPI0716399A2 (pt) * | 2006-11-22 | 2013-09-17 | Fukui Prefectural Government | material em folha reforÇado com resina termoplÁstica, processo para a produÇço do mesmo, e mÉtodo de formaÇço de material compàsito de resina termoplÁstica moldado |
US20090309260A1 (en) * | 2008-06-12 | 2009-12-17 | Kenneth Herbert Keuchel | Method of delivering a thermoplastic and/or crosslinking resin to a composite laminate structure |
NZ625769A (en) * | 2012-01-25 | 2016-06-24 | Hexcel Holding Gmbh | Improvements in or relating to laminates |
JP6021343B2 (ja) * | 2012-02-09 | 2016-11-09 | 株式会社神戸製鋼所 | 含浸糸布及び含浸糸布の製造方法 |
-
2018
- 2018-02-23 DE DE102018001440.2A patent/DE102018001440A1/de active Pending
-
2019
- 2019-02-25 WO PCT/EP2019/000056 patent/WO2019161969A1/de unknown
- 2019-02-25 PT PT197211873T patent/PT3755833T/pt unknown
- 2019-02-25 EP EP19721187.3A patent/EP3755833B1/de active Active
- 2019-02-25 CN CN201980013892.XA patent/CN112041491B/zh active Active
- 2019-02-25 EP EP21215088.2A patent/EP4001480A1/de active Pending
- 2019-02-25 PL PL19721187T patent/PL3755833T3/pl unknown
Also Published As
Publication number | Publication date |
---|---|
CN112041491A (zh) | 2020-12-04 |
PL3755833T3 (pl) | 2022-06-27 |
EP3755833B1 (de) | 2021-12-22 |
DE102018001440A1 (de) | 2019-08-29 |
PT3755833T (pt) | 2022-01-20 |
WO2019161969A1 (de) | 2019-08-29 |
EP4001480A1 (de) | 2022-05-25 |
CN112041491B (zh) | 2022-05-03 |
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