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EP2491072A1 - Matériau en matière plastique hautement résistant au feu, son procédé de production, et particules de matière plastique en un tel matériau en matière plastique - Google Patents

Matériau en matière plastique hautement résistant au feu, son procédé de production, et particules de matière plastique en un tel matériau en matière plastique

Info

Publication number
EP2491072A1
EP2491072A1 EP10772971A EP10772971A EP2491072A1 EP 2491072 A1 EP2491072 A1 EP 2491072A1 EP 10772971 A EP10772971 A EP 10772971A EP 10772971 A EP10772971 A EP 10772971A EP 2491072 A1 EP2491072 A1 EP 2491072A1
Authority
EP
European Patent Office
Prior art keywords
fibers
flame retardant
plastic
plastic material
base material
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.)
Withdrawn
Application number
EP10772971A
Other languages
German (de)
English (en)
Inventor
Michael Gass
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.)
BIOWERT AG
Original Assignee
BIOWERT AG
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 BIOWERT AG filed Critical BIOWERT AG
Publication of EP2491072A1 publication Critical patent/EP2491072A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/045—Reinforcing macromolecular compounds with loose or coherent fibrous material with vegetable or animal fibrous material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0066—Flame-proofing or flame-retarding additives

Definitions

  • the present invention relates to a process for producing a plastic material having increased fire resistance
  • Plastic articles made of such a plastic material.
  • Plastic materials with increased fire resistance are needed in many technical fields.
  • An example of this is the construction sector, in which plastic parts for the installation of electrical equipment, such as e.g. Flush-mounted boxes, housing of switch boxes etc.
  • flame retardants can be added to the plastic base material.
  • Flame retardants or fire retardants are substances which limit the spread of fires and / or the development of smoke,
  • the material itself is flame retardant
  • the fire retardant is applied from the outside as a coating
  • Processing are added to the plastic base material in a separate mixing step to be provided.
  • Other known flame retardants which are added to the plastic are nitrogen-based flame retardants, organophosphorus flame retardants and inorganic flame retardants.
  • the object of the present invention is to provide a method for
  • thermoplastic material with increased fire resistance and to provide such a plastic material, wherein the production is simple and inexpensive to carry out.
  • This object is achieved by a method for producing a thermoplastic material with increased
  • thermoplastic plastic material can be obtained, which is easy to produce and at the same time has an increased fire resistance compared to the plastic base material.
  • the fire resistance can be compared to the
  • the increased fire resistance is achieved by treating the fibers of the biomass and using a flame retardant
  • Plastic base material is introduced.
  • the fibers contribute to improved mechanical properties of the plastic material as the fibers reinforce the plastic material.
  • the required amount of plastic base material is introduced.
  • the fibers of the biomass provided are processed.
  • the biomass may e.g. be treated by a macerator so that the fibers are disrupted and contained cell juice emerges.
  • the fibers of the biomass containing cellulose in this way of undesirable substances, such as impurities and
  • Proteins are cleaned.
  • the appropriately processed fibers can then be well equipped with the flame retardant and introduced into the plastic base material.
  • a further improvement is achieved by providing the flame retardant in an aqueous phase.
  • the Flame retardant may for example be suspended, dispersed or dissolved in the aqueous phase.
  • the flame retardant can easily and evenly apply to the fibers. Therefore, a permanent connection between the fibers and the flame retardant can be achieved, which facilitates the further processing, especially since a later separation of
  • the processing is particularly simple.
  • the fibers can then be particularly easily equipped with the flame retardant, since the cellulose-containing fibers due to their hydrophilic properties
  • Tris (dichloroisopropyl) phosphate), TPP (triphenyl phosphate), TEHP (tris (2-ethylhexyl) phosphate), TKP (tricresyl phosphate), ITP (“isopropylated triphenyl phosphate"), mono-, bis- and tris (isopropylphenyl) phosphates, RDP (resorcinol bis (diphenyl phosphate)), BDP (bisphenol A bis (diphenyl phosphate)) or mixtures thereof.
  • the inorganic flame retardant boron, a boron-containing compound
  • borax and / or boric acid are especially borax and / or boric acid. These substances allow good fire protection at a low level
  • the plastic base material in particular contains polypropylene, polyethylene and / or polystyrene.
  • polystyrene for example, styrene acrylonitrile and / or
  • Plastic base material to be subjected to drying.
  • Plastic material to improve the fire resistance contribute. Particularly good properties of the plastic material are achieved when a content of dry matter of 95% is not exceeded during drying.
  • the fibers are dried to a dry matter content of 88 to 92%.
  • an air-layer dryer can be used, in which the fibers are gently dried at a temperature of about 140 ° C.
  • a particularly good absorption of the flame retardant is obtained when the equipment of the fibers takes place after the processing of the fibers.
  • Good fire resistance and good processability result when the fiber-containing biomass grass clippings,
  • the present invention also relates to a
  • Plastic material with increased fire resistance containing a
  • Plastic base material and fibers of biomass wherein at least a part of the fibers is equipped with a flame retardant.
  • the flame retardant contains an inorganic flame retardant and / or an organophosphorus flame retardant.
  • inorganic flame retardants can be used, for example: boron, boron-containing Compounds, aluminum hydroxide, magnesium hydroxide,
  • organophosphorus flame retardants aromatic and aliphatic esters of phosphoric acid can be used, such as TCEP (tris (chloroethyl) phosphate), TCPP (tris (chloropropyl) phosphate), TDCPP
  • Tris (dichloroisopropyl) phosphate), TPP (triphenyl phosphate), TEHP (tris (2-ethylhexyl) phosphate), TKP (tricresyl phosphate), ITP (“isopropylated triphenyl phosphate"), mono-, bis- and tris (isopropylphenyl) phosphates, RDP (resorcinol bis (diphenyl phosphate)), BDP (bisphenol A bis (diphenyl phosphate)) or mixtures thereof.
  • the plastic base material contains, in addition to the fibers provided with the flame retardant, further fibers of biomass which are not equipped with a flame retardant.
  • the invention also relates to a plastic article
  • the plastic articles may be, for example, installation material for electrical purposes, flush-mounted boxes, surface-mounted boxes, switch housings, control boxes, pipes.
  • the invention relates
  • plastic articles which are produced by means of thermoplastic production.
  • the plastic articles can, as described above, be end products or designed as semi-finished products.
  • Figure 1 illustrates schematically a method for producing a plastic material with increased fire resistance under
  • This may be fibers containing
  • Plant parts of different plants act. Particularly suitable for the method described are plant parts which are not woody and therefore contain only small amounts or no lignin. Also advantageous are plant parts that are not horny to a small extent or not at all. A cornification is added
  • the fibers are processed from the biomass.
  • a macerator can be used, which due to The generated friction opens the cells filled with cell fluid and lets the cell juice escape.
  • the treatment is carried out with the addition of water, which simultaneously allows to wash out impurities and undesirable substances, so that after the
  • the processed fibers consist essentially of alpha-cellulose and hemi-cellulose.
  • the ratio between these two types of cellulose depends on the time of cutting of the biomass. Both types of cellulose are also important.
  • the alpha-cellulose is important for the mechanical stability of the fibers
  • the hemi-cellulose is important for the uniformity of the absorption of the flame retardant and for the processing, in particular the flowability of the plastic material in the thermoplastic processing.
  • Flame retardant may be provided dissolved or suspended in the water. In this way, the flame retardant is taken up in the fibers or attached to these. The equipment with the flame retardant can be done in this way just as easy as a dyeing process.
  • flame retardants in particular inorganic
  • Flame retardants and / or organophosphorus flame retardants can be used.
  • inorganic flame retardants in particular those having boron or a boron-containing compound.
  • a mixture of borax and boric acid has proved advantageous. These substances attract like the dye on the
  • the fibers are dried as intermediate step 4. This is the first drying of the fibers, which were always kept moist until then. The drying is gentle, optionally in a multi-step process. The drying can be carried out, for example, in a pad dryer at temperatures between 120 ° C and 160 ° C. The drying takes place up to a content
  • plastic base material thermoplastics or components thereof can be used. Particularly suitable are polypropylene, polyethylene and polystyrene, e.g. Styrene acrylonitrile and / or
  • Plastic base material may e.g. done by compounding. According to the invention, up to 75% by weight of the fibers, all or part of which are provided with the flame retardant, can be brought together with 25% by weight of plastic base material
  • Plastic base material reached. Even with a share of 25% by weight of the plastic base material and 75% by weight of fibers, very good results can be achieved with regard to both strength and fire protection. It has proven useful to use the fibers in a proportion of between 25% by weight and 75% by weight. With a proportion of 40% by weight to 60% by weight fibers, very good results are achieved.
  • the content of flame retardant is between 1% by weight and 3.5% by weight, with 1.25% by weight to 2.5% by weight being particularly preferred.
  • the fiber-containing plastic material may be provided, for example, in pellet or granular form, and thus further processed with conventional plastic processing machines.
  • plastic material can be problematic in extrusion machines and injection molding machines are processed to a variety of plastic articles.
  • plastic articles can be made in which increased fire resistance is important.
  • the plastic material for plastic articles such as installation material for electrical purposes, flush boxes, surface-mounted boxes, switch housings, switch boxes and parts thereof, pipes, etc. It can also be made of plastic articles for any other technical areas, for example for the
  • Test temperature of 750 ° C can be achieved.
  • the same fire protection can be achieved by equipping grass fibers with only 5% by weight.
  • Test temperature of 750 ° C can be achieved. This shows that the

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

L'invention concerne un procédé de production d'un matériau en matière plastique thermoplastique hautement résistant au feu, ledit procédé utilisant une biomasse renfermant des fibres. L'invention concerne en outre un tel matériau en matière plastique. L'invention consiste à mettre à disponibilité une biomasse renfermant des fibres, à traiter les fibres, à garnir au moins une partie des fibres avec un inhibiteur de flamme et à introduire les fibres dans un matériau de base en matière plastique.
EP10772971A 2009-10-23 2010-10-15 Matériau en matière plastique hautement résistant au feu, son procédé de production, et particules de matière plastique en un tel matériau en matière plastique Withdrawn EP2491072A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009050546A DE102009050546A1 (de) 2009-10-23 2009-10-23 Verfahren zur Herstellung eines Kunststoffmaterials mit erhöhter Feuerbeständigkeit, Kunststoffmaterial mit erhöhter Feuerbeständigkeit sowie Kunststoffartikel aus einem solchen Kunststoffmaterial
PCT/EP2010/006302 WO2011047804A1 (fr) 2009-10-23 2010-10-15 Matériau en matière plastique hautement résistant au feu, son procédé de production, et particules de matière plastique en un tel matériau en matière plastique

Publications (1)

Publication Number Publication Date
EP2491072A1 true EP2491072A1 (fr) 2012-08-29

Family

ID=43384630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10772971A Withdrawn EP2491072A1 (fr) 2009-10-23 2010-10-15 Matériau en matière plastique hautement résistant au feu, son procédé de production, et particules de matière plastique en un tel matériau en matière plastique

Country Status (3)

Country Link
EP (1) EP2491072A1 (fr)
DE (1) DE102009050546A1 (fr)
WO (1) WO2011047804A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011010193A1 (de) * 2011-02-02 2012-08-02 Biowert Ag Faserverstärktes Kunststoffmaterial
DE102011010192B4 (de) * 2011-02-02 2016-06-16 Biowert Ag Verfahren zur Bereitstellung und Aufbereitung von Naturfasern und deren Verwendung zur Herstellung von faserverstärktem Kunststoffmaterial und Dämmmaterial
DE102011010140B4 (de) * 2011-02-02 2016-06-16 Biowert Ag Verfahren zur Bereitstellung und Aufbereitung von Naturfasern und deren Verwendung zur Herstellung von faserverstärktem Kunststoffmaterial und Dämmmaterial
WO2013084023A1 (fr) * 2011-12-05 2013-06-13 Csir Objet ignifugé et son procédé de fabrication
DE102018002979A1 (de) 2018-04-12 2019-10-17 Jackon Applications GmbH XPS-Platten und EPS-Platten mit eingearbeitetem Flammschutz
DE102018003373A1 (de) 2018-04-12 2019-10-17 Jackon Applications GmbH XPS-Platten und EPS-Platten mti eingearbeitetem Flammschutz
EP3553117A1 (fr) 2018-04-12 2019-10-16 Jackon Applications GmbH Panneaux xps et panneaux eps à protection anti-flamme intégrée
EP3564002A1 (fr) 2018-05-01 2019-11-06 Jackon Applications GmbH Produit eps à protection contre les flammes
DE202020005788U1 (de) 2019-12-16 2022-06-20 Jackon Applications GmbH Einsatz von Lignin als Hauptbestandteil für extrudierten und expandiertem Biopolymerschaum
DE102021003131A1 (de) 2021-06-21 2022-12-22 Jackon Applications GmbH Einsatz von Lignin als Hauptbestandteil für extrudierten und expandierten Biopolymerschaum

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2668378B2 (ja) * 1988-03-18 1997-10-27 孝一 西本 難燃化植物繊維成形物の製造方法
WO1995006679A1 (fr) * 1993-09-01 1995-03-09 Seacrest Building Pty. Ltd. Materiau compose plastique renforce par des fibres et articles fabriques a partir de ce materiau
DE29506761U1 (de) * 1995-04-21 1996-10-31 ECCO Gleittechnik GmbH, 82402 Seeshaupt Dämmelement aus Pflanzenfasern
DE19921209A1 (de) * 1999-05-07 2000-11-16 Dorus Klebetechnik Gmbh & Co K Thermoplastisches Verbundmaterial
KR20030031525A (ko) * 2003-03-20 2003-04-21 조석형 난연성 건축자재의 제조

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011047804A1 *

Also Published As

Publication number Publication date
DE102009050546A1 (de) 2011-05-12
WO2011047804A1 (fr) 2011-04-28

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