EP2155944A2 - Struktur aus gewirktem stoff auf basaltbasis - Google Patents

Struktur aus gewirktem stoff auf basaltbasis

Info

Publication number
EP2155944A2
EP2155944A2 EP08805844A EP08805844A EP2155944A2 EP 2155944 A2 EP2155944 A2 EP 2155944A2 EP 08805844 A EP08805844 A EP 08805844A EP 08805844 A EP08805844 A EP 08805844A EP 2155944 A2 EP2155944 A2 EP 2155944A2
Authority
EP
European Patent Office
Prior art keywords
textile structure
knit
structure according
basalt
technology
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
EP08805844A
Other languages
English (en)
French (fr)
Other versions
EP2155944B1 (de
Inventor
Jacques Tankere
Jean-Paul Ducol
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.)
MDB Texinov SA
Original Assignee
MDB Texinov SA
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 MDB Texinov SA filed Critical MDB Texinov SA
Publication of EP2155944A2 publication Critical patent/EP2155944A2/de
Application granted granted Critical
Publication of EP2155944B1 publication Critical patent/EP2155944B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • D04B21/165—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads with yarns stitched through one or more layers or tows, e.g. stitch-bonded fabrics
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/024—Fabric incorporating additional compounds
    • D10B2403/0241—Fabric incorporating additional compounds enhancing mechanical properties
    • D10B2403/02411—Fabric incorporating additional compounds enhancing mechanical properties with a single array of unbent yarn, e.g. unidirectional reinforcement fabrics
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/024—Fabric incorporating additional compounds
    • D10B2403/0241—Fabric incorporating additional compounds enhancing mechanical properties
    • D10B2403/02412—Fabric incorporating additional compounds enhancing mechanical properties including several arrays of unbent yarn, e.g. multiaxial fabrics
    • 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
    • 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
    • D10B2505/04—Filters

Definitions

  • the invention relates to a knitted textile structure using basalt fibers. It also relates to the applications of such a structure especially in the context of the realization of non-fire barriers also called firebreak.
  • the invention also relates to this structure in its application as thermal insulation, electrical insulation and composite reinforcement.
  • basalt In the context of textile structures more particularly intended to be subjected to a high temperature, it is known to use basalt, whose inertia in a chemical medium is well known, and whose resistance to high temperatures is implemented in a number of applications.
  • the basalt fibers obtained with the technologies available to date have the disadvantage of being very brittle, so that their integration into textile structures is only done by weaving, or by juxtaposition of fibers. that is to say, is performed only for fiber runs with a very high radius of curvature in limitingly rectilinear introduction. In doing so, the integration of such basalt fibers in the textile structures does not provide the possibility of extensibility or controlled deformation, necessary for certain applications.
  • the invention therefore relates to a textile structure composed of a knit, itself made from basalt fibers, said knit being obtained by Jet or Chain knit technology type Rachel.
  • basalt fibers can be incorporated into a knit notwithstanding the high radius of curvature of said fibers, below which there is a risk of breakage. of said fiber.
  • this extensibility can be obtained both in the production direction and in the cross direction, or possibly in both directions.
  • Extensibility is defined here as the ratio of additional length obtained by traction without breaking with respect to the initial length. In the case of a biextensible, this measurement is exerted by pulling in two perpendicular directions simultaneously, always remaining in the proportion of the breaking forces of each of the directions.
  • the knit forms a grid obtained by partial frames in Jet or Chain type mesh technology.
  • the knitted textile structure can be locked in the production direction or in the cross direction by insertion of a basalt wire in one or the other direction, depending on the direction desired.
  • the textile structure thus knitted can also incorporate binding yarns, typically made of polyester, polyaramids or Nomex® (para-aramid) in the case of open mesh grid with partial wefts, in order to hold the structure mechanically.
  • binding yarns typically made of polyester, polyaramids or Nomex® (para-aramid) in the case of open mesh grid with partial wefts, in order to hold the structure mechanically.
  • the blocking of the textile structure can also be obtained in both directions, that is to say, production direction and cross direction by the implementation of knit technology to knit stitches with frontal insertion of weft and without embossing.
  • the invention also relates to the complex structure associating the textile structure of the invention with a layer of a woven material, knitted or nonwoven or film, depending on the desired use of the structure thus obtained and in particular in the framework of cold insulation or fire.
  • FIG. 1 is a schematic representation of a traditional woven structure, in which there are warp son and weft son arranged perpendicular to each other.
  • FIG. 2 illustrates the representation of a mesh in which the radius of curvature R that has been made to the wires in the various proposed embodiments has been shown.
  • FIG. 3 is a schematic representation of a knit made according to the stitched mesh technology according to the invention.
  • Figures 4 and 5 are variants of Figure 3, illustrating the extensibility of said structure, respectively in the cross direction and the direction of production.
  • Figure 6 is a representation of Figure 3 with locking meshes in the cross direction.
  • FIG. 7 is a representation of FIG. 3 with mesh locking in the production direction.
  • FIG. 8 is a representation of FIG. 3 with blocking of the production direction and cross direction structure.
  • Figures 9 and 10 are illustrations, respectively in top view and section of the association of the preceding structures with a nonwoven.
  • Figure 1 is a view of the prior art already described with the limitations already mentioned in terms of extensibility.
  • the warp and weft threads are made of basalt, using a conventional loom.
  • the extensibility of the structure is reduced to that of the son that constitute it, and is therefore almost zero.
  • FIG. 3 shows a knitted stitch knit according to the present invention.
  • the threads that constitute it are entirely in basalt.
  • This structure is obtained with a trade Chain or Rachel, as marketed by the company Karl Mayer.
  • the traditional installations, and in particular the Rachel loom are modified by making it possible to bring said basalt yarns in a positive and almost over-flow manner to the knitting members.
  • the basalt yarns do not undergo excessive tension and therefore do not risk being broken or deteriorated during the various movements to which they are subjected on the knitting members.
  • the so-called "slaughtering phase” is particularly controlled when the needle goes down to form precisely the loop of the mesh.
  • the race said needles it leaves the possibility to son loops to keep their minimum radius of curvature natural, without creating harmful extension can be in the hole 1 1 GOI does the breakage son.
  • rectilinear insertions in warp or weft are preferably made from a creel avoiding intermediate manipulations and by means of bar tubes properly flared for the chains, thus avoiding deterioration of fibers
  • the inserted wires, respectively in the cross direction and in the production direction can be basalt, or another material (glass, polyester, aramid, Nomex®) depending on the purpose of the application of said structure.
  • This structure is then completely blocked, and may in particular have an extensibility of less than or equal to 2% in both directions.
  • the dimension of the orifices that it defines is determined according to the gauge of the knitting machine, the density of the warp and weft threads, as well as the nature of the threads used.
  • said structure can be used as a filter medium, in particular for the filtration of highly corrosive or chemically very active substances.
  • this structure can also be implemented for the realization of pipe lining, including sewers where the material must withstand very aggressive chemical attacks.
  • binding son themselves made of basalt, or polyester, aramid, para-aramid, well known under the trade name Nomex®, or the polyaramid.
  • the knitted structure 1, 2 thus obtained may also be associated with a layer of woven material, knitted or a nonwoven 4, or even a film.
  • the additional structure thus associated is inserted in the Rachel type machine previously described in the form of a continuous support. It is associated with nonwoven 4 by means of 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Woven Fabrics (AREA)
EP08805844.1A 2007-06-06 2008-05-23 Struktur aus gewirktem stoff auf basaltbasis Active EP2155944B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0755510A FR2917100B1 (fr) 2007-06-06 2007-06-06 Structure textile tricotee a base de basalte.
PCT/FR2008/050900 WO2009000990A2 (fr) 2007-06-06 2008-05-23 Structure textile tricotee a base de basalte

Publications (2)

Publication Number Publication Date
EP2155944A2 true EP2155944A2 (de) 2010-02-24
EP2155944B1 EP2155944B1 (de) 2016-09-07

Family

ID=39167795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08805844.1A Active EP2155944B1 (de) 2007-06-06 2008-05-23 Struktur aus gewirktem stoff auf basaltbasis

Country Status (3)

Country Link
EP (1) EP2155944B1 (de)
FR (1) FR2917100B1 (de)
WO (1) WO2009000990A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11691379B2 (en) * 2019-06-20 2023-07-04 Milliken & Company Fire-resistant textile composite
CN116555976B (zh) * 2023-05-15 2023-10-13 肃宁县中原纺织有限责任公司 适用于火炮装备的绝热性材料制备方法及其系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8717787U1 (de) * 1987-12-02 1990-03-08 Schweizerische Gesellschaft für Tüllindustrie AG, Münchwilen Elastische Wirkware in Plattenform
FR2654751B1 (fr) * 1989-11-22 1992-02-28 Rousset Joseph Nouveau materiau destine notamment a etre utilise comme coupe-feu.
US20040185734A1 (en) * 2003-03-21 2004-09-23 Gray Hugh Douglas Reinforced fabric substrate and method for making the same
DE202004007601U1 (de) * 2004-05-12 2004-11-04 P-D Glasseiden Gmbh Oschatz Multiaxialgelege

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009000990A2 *

Also Published As

Publication number Publication date
FR2917100B1 (fr) 2009-08-28
EP2155944B1 (de) 2016-09-07
WO2009000990A2 (fr) 2008-12-31
WO2009000990A3 (fr) 2009-04-16
FR2917100A1 (fr) 2008-12-12

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