WO2004000535A1 - Tissu, maillage ou structure en matiere plastique et leur procede de production - Google Patents

Tissu, maillage ou structure en matiere plastique et leur procede de production Download PDF

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Publication number
WO2004000535A1
WO2004000535A1 PCT/DE2002/002306 DE0202306W WO2004000535A1 WO 2004000535 A1 WO2004000535 A1 WO 2004000535A1 DE 0202306 W DE0202306 W DE 0202306W WO 2004000535 A1 WO2004000535 A1 WO 2004000535A1
Authority
WO
WIPO (PCT)
Prior art keywords
fabric
knitted
woven
coating
scrim
Prior art date
Application number
PCT/DE2002/002306
Other languages
German (de)
English (en)
Inventor
Hartmut Ortlieb
Original Assignee
Hartmut Ortlieb
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 Hartmut Ortlieb filed Critical Hartmut Ortlieb
Priority to PCT/DE2002/002306 priority Critical patent/WO2004000535A1/fr
Priority to EP02754263A priority patent/EP1531981A1/fr
Publication of WO2004000535A1 publication Critical patent/WO2004000535A1/fr

Links

Classifications

    • 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
    • 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

Definitions

  • the present invention relates to a woven fabric, knitted fabric or scrim made of plastic in accordance with the preamble of claim 1.
  • a reinforced plastic film is known from PCT-WO 98/27250, in the manufacture of which a fabric is used, the starting threads of which consist of a core and a plastic jacket. When processed in a calender, the plastic sleeves are pressed wide and then form a closed film reinforced by the core threads.
  • a similar process is shown in PCT-WO 89/04247, in which threads covered with plastic are also pressed into a reinforced film in a calender.
  • GB-A-10 98 381 already suggests the production of a three-layer film in which a reinforcement layer is covered with film on both sides and pressed. Such films have excellent strength.
  • the object of the present invention is to create a woven fabric, knitted fabric or scrim made of plastic-covered threads or yarns, which has the strength of the above-mentioned reinforced plastic films, but which has a more structured character and is particularly good for processing in the manufacture of special containers or bags suitable is.
  • This object is achieved with the features of the characterizing part of claim 1. Developments and advantageous embodiments of the invention are included in the further claims.
  • woven fabric, knitted fabric or scrim made of threads or yarns covered with plastic is characterized in that the woven fabric, knitted fabric or scrim is provided on at least one side with a film-like coating made of plastic. If the coating is only on one side, particularly good optical effects can be achieved since the “fabric side” has a particularly structured effect.
  • the coating and / or the covering of the threads or yarns preferably consist of a thermoplastic material and can be welded to one another.
  • the fabric is pressed and lies after an execution before the wine processing as a pressed structure. This enables particularly flat materials, with less weight for the user and less expensive material mass, since less tissue can be used, which also includes fewer cavities.
  • the pressing can also be carried out in one Continuous operation before coating or pressing together with the film is possible, with the film then being melted on.
  • At least one further coating can be applied to it, which has advantages during processing.
  • the further coating can consist of a higher and a lower melting plastic.
  • the further coating is applied to the woven, knitted or laid side.
  • the material of the film-like coating penetrates between the fabric gaps more easily if it consists of a lower melting material than that of the covering.
  • This also makes it possible to keep a clearer fabric structure on the fabric side by not completely melting the covering, but instead, for example, only until its adhesive activation. temperature is heated at which the film-like coating already melts. This creates an excellent barrier layer on one side of the fabric.
  • a further coating on the film side could also have a low melting point, in order to allow further structures to be glued on, without damaging the barrier layer.
  • a further higher-melting coating can also be applied for certain applications.
  • the wrapping material and the coating can consist of differently colored material.
  • the wrapping material and the coating preferably consist of a thermoplastic elastomer, such as a polyurethane.
  • the coating can have an embossing.
  • the yarn can be a high tenacity polyester.
  • the wrapping material can be co-extruded with the yarn or extruded around it.
  • the yarn can also be a glass or quartz, a monofilament or a little or an untwisted yarn and the threads or the yarn can be made of metal.
  • the woven, knitted or laid fabric has a selvedge on which material, such as zipper teeth, is sewn on the edge.
  • the fabric, knitted fabric or scrim is welded or glued to a foam.
  • the foam is preferably applied to a side provided with a low-melting plastic coating.
  • the woven fabric, knitted fabric or scrim is welded or glued to another film-like structure, whereby preferably the other film-like structure is applied to a side of the fabric provided with a low-melting plastic coating.
  • the coating and / or a further coating layer can be made airtight or gas-tight.
  • the covering and / or the coating can be equipped with additives such as flame retardancy, food safety, fungicidal or UV stability, wherein either the covering or the coating can be provided with an additive, or the covering and the coating can have different additives can.
  • the fabric, knitted fabric or scrim can be coated by applying a film.
  • the woven, knitted or laid fabric is preferably in the form of a net or lattice and the proportion of threads or yarns on the woven surface is not more than 50%. This results in a particularly light weight.
  • the coating material substantially fills the hole portion of the mesh or lattice-like fabric, knitted fabric or scrim essentially halfway.
  • the coating material can essentially completely fill the hole portion of the net or grid-like fabric, knitted fabric or scrim.
  • the fabric, knitted fabric or scrim of the invention is used, for example, for the production of water containers, this being provided with a valve. It is also excellently used for the production of waterproof bags or containers, the objects made from the woven, knitted or laid fabric consisting of cut parts which are joined with peeled seams produced by welding.
  • a method according to the invention for producing a fabric, knitted fabric or scrim from threads or yarns covered with plastic, which is based on at least one Side is coated with a plastic coating is characterized by the steps:
  • the fabric, knitted fabric or scrim is pretreated by pressing before the coating is applied.
  • the nodes of the tissue can be pre-fixed.
  • the pretreatment is also advantageous if the pretreatment is combined with a thermal treatment and results in a tight bond between the woven, knitted or laid fabric.
  • the composite is more or less dense, complete tightness can also be created.
  • Another or even additional possibility is to subject the coated fabric to knitted fabrics or scrims to a, if necessary thermal, pressing process.
  • the coating is carried out through a slot die.
  • the coating can consist of a dispersion, for example a pasty dispersion with a high solids content.
  • the coating penetrates the fabric, knitted fabric or scrim partially or completely. This also applies to the dense composite mentioned, which may have gaps that are penetrated by the coating.
  • At least one further coating is applied during or after the coating of the woven, knitted or laid fabric. brought, this further coating can also be applied to the side of the fabric, knitted fabric or scrim facing away from the original coating.
  • the further coating has a lower melting point than the covering material of the threads or yarns or the original coating.
  • a low melting point of the outer layer leads to great processing advantages, for example when welding blanks, since connections are easily made very firmly without impairing the tightness or strength of the entire composite.
  • Solvents were used for softening, which attacked the threads, the number of threads can also be reduced by the method according to the invention without having to accept disadvantages with regard to firmness and tightness.
  • the fabrics can therefore be very light.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Laminated Bodies (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention concerne un tissu, un maillage ou une structure constitué(e) de fils ou de brins enveloppés de matière plastique, ce tissu, ce maillage ou cette structure étant pourvu(e) d'un revêtement en plastique du type film sur au moins un côté. L'invention concerne également un procédé de production d'un tel tissu, d'un tel maillage ou d'une telle structure.
PCT/DE2002/002306 2002-06-22 2002-06-22 Tissu, maillage ou structure en matiere plastique et leur procede de production WO2004000535A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/DE2002/002306 WO2004000535A1 (fr) 2002-06-22 2002-06-22 Tissu, maillage ou structure en matiere plastique et leur procede de production
EP02754263A EP1531981A1 (fr) 2002-06-22 2002-06-22 Tissu, maillage ou structure en matiere plastique et leur procede de production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2002/002306 WO2004000535A1 (fr) 2002-06-22 2002-06-22 Tissu, maillage ou structure en matiere plastique et leur procede de production

Publications (1)

Publication Number Publication Date
WO2004000535A1 true WO2004000535A1 (fr) 2003-12-31

Family

ID=29787774

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/002306 WO2004000535A1 (fr) 2002-06-22 2002-06-22 Tissu, maillage ou structure en matiere plastique et leur procede de production

Country Status (2)

Country Link
EP (1) EP1531981A1 (fr)
WO (1) WO2004000535A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008006359A2 (fr) * 2006-07-12 2008-01-17 Hartmut Ortlieb Sac à dos, sac ou contenant
DE102011121656A1 (de) * 2011-12-20 2013-06-20 Arntz Beteiligungs Gmbh & Co. Kg Riemen mit mehrschichtig imprägnierter Textilauflage
EP3327201A1 (fr) * 2016-11-25 2018-05-30 DS Chemie Holding GmbH Contenant et son utilisation
WO2019087141A1 (fr) * 2017-11-06 2019-05-09 Bcomp Sa Produit composite comprenant un treillis et un polymere

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4590027A (en) * 1976-06-10 1986-05-20 Murphy David J Method of producing a thermoplastics material
WO1991018741A1 (fr) * 1990-05-31 1991-12-12 Valtion Teknillinen Tutkimuskeskus Procede de fabrication d'un article composite et article composite ainsi fabrique
DE4032934A1 (de) * 1990-10-17 1992-04-23 Drake Hartmut Verfahren zur herstellung von faser-kunststoff-verbunden
GB2310822A (en) * 1996-03-07 1997-09-10 Euro Projects Ltd Moulding a structure from thermoplastics material
WO1998027250A2 (fr) * 1996-12-17 1998-06-25 Imab Stiftung Feuille de matiere plastique renforcee
DE19930000A1 (de) * 1999-06-30 2001-01-04 Bayerische Motoren Werke Ag Faserverbundformteil oder -Halbzeug, Verfahren zu dessen Herstellung und dessen Verwendung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4590027A (en) * 1976-06-10 1986-05-20 Murphy David J Method of producing a thermoplastics material
WO1991018741A1 (fr) * 1990-05-31 1991-12-12 Valtion Teknillinen Tutkimuskeskus Procede de fabrication d'un article composite et article composite ainsi fabrique
DE4032934A1 (de) * 1990-10-17 1992-04-23 Drake Hartmut Verfahren zur herstellung von faser-kunststoff-verbunden
GB2310822A (en) * 1996-03-07 1997-09-10 Euro Projects Ltd Moulding a structure from thermoplastics material
WO1998027250A2 (fr) * 1996-12-17 1998-06-25 Imab Stiftung Feuille de matiere plastique renforcee
DE19930000A1 (de) * 1999-06-30 2001-01-04 Bayerische Motoren Werke Ag Faserverbundformteil oder -Halbzeug, Verfahren zu dessen Herstellung und dessen Verwendung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008006359A2 (fr) * 2006-07-12 2008-01-17 Hartmut Ortlieb Sac à dos, sac ou contenant
WO2008006359A3 (fr) * 2006-07-12 2008-09-18 Hartmut Ortlieb Sac à dos, sac ou contenant
DE102011121656A1 (de) * 2011-12-20 2013-06-20 Arntz Beteiligungs Gmbh & Co. Kg Riemen mit mehrschichtig imprägnierter Textilauflage
US9644706B2 (en) 2011-12-20 2017-05-09 Arntz Beteiligungs Gmbh & Co. Kg Belt having a multilayer impregnated textile overlay
EP3327201A1 (fr) * 2016-11-25 2018-05-30 DS Chemie Holding GmbH Contenant et son utilisation
WO2019087141A1 (fr) * 2017-11-06 2019-05-09 Bcomp Sa Produit composite comprenant un treillis et un polymere

Also Published As

Publication number Publication date
EP1531981A1 (fr) 2005-05-25

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