EP0540372B1 - Eisenphosphide enthaltende Zusammensetzungen für Zündholzköpfe - Google Patents

Eisenphosphide enthaltende Zusammensetzungen für Zündholzköpfe Download PDF

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Publication number
EP0540372B1
EP0540372B1 EP92402242A EP92402242A EP0540372B1 EP 0540372 B1 EP0540372 B1 EP 0540372B1 EP 92402242 A EP92402242 A EP 92402242A EP 92402242 A EP92402242 A EP 92402242A EP 0540372 B1 EP0540372 B1 EP 0540372B1
Authority
EP
European Patent Office
Prior art keywords
mass
dry mixture
composition according
composition
weight
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.)
Expired - Lifetime
Application number
EP92402242A
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English (en)
French (fr)
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EP0540372A1 (de
Inventor
Jean-Paul Bernard
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.)
Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
Original Assignee
Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
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.)
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Publication date
Application filed by Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS filed Critical Societe Nationale dExploitation Industrielle des Tabacs et Allumettes SAS
Publication of EP0540372A1 publication Critical patent/EP0540372A1/de
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B39/00—Compositions containing free phosphorus or a binary compound of phosphorus, except with oxygen
    • C06B39/02—Compositions containing free phosphorus or a binary compound of phosphorus, except with oxygen with an inorganic oxygen-halogen salt
    • C06B39/04—Compositions containing free phosphorus or a binary compound of phosphorus, except with oxygen with an inorganic oxygen-halogen salt with a binary compound of phosphorus, except with oxygen
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06F—MATCHES; MANUFACTURE OF MATCHES
    • C06F3/00—Chemical features in the manufacture of matches

Definitions

  • the invention relates to match buttons and, more particularly, but not exclusively, to so-called safety matches.
  • a safety match consists of a rod comprising, at one end, a button designed to ignite by friction on a special support comprising red phosphorus.
  • a button designed to ignite by friction on a special support comprising red phosphorus.
  • matches of the so-called “strike-anywhere” type the button of which ignites by friction on the most diverse rough supports.
  • Sulfur is used in safety matches, phosphorus sulfide in "strike-anywhere" matches.
  • the odor of sulfur dioxide released at the time of combustion may be perceived as irritating for some users, and especially the traces of potassium dichromate and zinc salts generally present in the washing water of production equipment may be considered polluting if they are released into the natural environment.
  • the object of the present invention is to overcome this drawback by making it possible to substitute for sulfur a primary fuel which is non-toxic and not capable of producing an irritating emanation and to suppress the introduction of potassium dichromate and, preferably, that of oxide. of zinc in the composition of the button.
  • composition for match button according to the invention is defined in a first set of claims 1 to 10 in which claim 1 specifies that this composition comprises an oxidizer, a fuel, a binder as well as possible fillers and adjuvants and is characterized in that the fuel comprises an iron phosphide in a proportion ranging from 3 to 60% by weight.
  • composition according to the invention is defined in a second set of claims 1 to 13, in which claim 1 specifies that this composition comprises an oxidizer , a fuel, a binder as well as fillers and any additives, and is characterized in that the fuel comprises an iron phosphide in a proportion ranging from 3 to 60% by weight, and in that the charge comprises flours diatoms, and / or bentonite and / or mica and / or silica.
  • the average particle size of the iron phosphides used will be less than 250 ⁇ m and, preferably, of the order of ten ⁇ m.
  • the components are mixed in aqueous dispersion with, for example, 25% of water and the matches are manufactured by soaking according to a conventional technique.
  • the iron phosphide used is commercially available in the form of a fine powder (majority particle size of a few microns), which is used in the prior art as a conductive pigment in the field of anti-corrosion paints.
  • This powder contains iron phosphides in the form F2P or F3P.
  • the phosphide oxidation reaction begins with friction on a special surface which can be identical to that found in traditional safety matchboxes using sulfur as fuel.
  • the particle size of the phosphides has been found to be an important parameter (it must be less than 200 microns on average to obtain satisfactory reactivity and sensitivity), which is probably explained by the role played by the interface between the particles of phosphides and potassium chlorate crystals in combustion.
  • combustion speed does not reach values high enough to require the use of an energetic phlegmatizer, such as zinc oxide or zinc salt.
  • This ignition violence could be reduced in particular thanks to an addition of celite, for example by 1% by mass and / or by the replacement of a phosphide fraction, for example of the order of 4% with mica.
  • celite for example by 1% by mass and / or by the replacement of a phosphide fraction, for example of the order of 4% with mica.
  • phosphide fraction for example of the order of 4% with mica.
  • This composition makes it possible to obtain a good sensitivity, which remains good even in the case where the bentonite is removed and where 3% of celite is added.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Paints Or Removers (AREA)
  • Adornments (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Golf Clubs (AREA)

Claims (13)

  1. Zusammensetzung für einen Zündholzkopf von der Art mit einem Zündstoff, einem Brennstoff, einem Bindemittel, sowie mit Füllstoffen und eventuellen Zusatzstoffen,
    dadurch gekennzeichnet, daß der Brennstoff ein Eisenphosphid in einem Anteil von 3 bis 60% Gewichtsprozent aufweist.
  2. Zusammensetzung nach Anspruch 1, dadurch gekennzeichnet, daß die mittlere Korngröße der verwendeten Eisenphosphide unterhalb 250 µm liegt.
  3. Zusammensetzung nach Anspruch 2, dadurch gekennzeichnet, daß die mittlere Korngröße der verwendeten Eisenphosphide etwa zehn µm beträgt.
  4. Zusammensetzung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß sie in ihrer Anwendung auf Sicherheitszündhölzer die folgende Formulierung aufweist:
    Zündstoff   : Kaliumchlorat oder -perchlorat   30 bis 62 Gew.%
    Brennstoff   : Eisenphosphide   3 bis 60 Gew.%
    Bindemittel   : Gelatine oder Synthese-Bindemittel   5 bis 18 Gew.%
    Füllstoffe   : siliciumhaltige oder organische Stoffe   0 bis 25 Gew.%
    Zusatzstoffe   : Pigmente - phlegmatisierend - stabilisierend   0 bis 25 Gew.%
  5. Zusammensetzung nach Anspruch 4, dadurch gekennzeichnet, daß das Bindemittel Gelatine ist, das in der Zusammensetzung einen Anteil von etwa 13% aufweist.
  6. Zusammensetzung nach Anspruch 4, dadurch gekennzeichnet, daß die Füllstoffe Diatomeemehl in einem Anteil aufweisen, der etwa 5 Gew.% der Zusammensetzung ausmacht.
  7. Zusammensetzung nach Anspruch 4, dadurch gekennzeichnet, daß die Füllstoffe Siliciumoxid, Glimmer und Titanoxid enthalten, das innerhalb der Zusammensetzung einen Prozentsatz von etwa 3 bis 6 Gew.% ausmacht.
  8. Zusammensetzung nach Anspruch 4, dadurch gekennzeichnet, daß sie außerdem 2 bis 5% Cellit aufweist.
  9. Zusammensetzung nach Anspruch 4, dadurch gekennzeichnet, daß sie die folgende Formulierung aufweist:
    Kaliumchlorat   55 Masseprozent der trockenen Mischung
    Gelatine   13 Masseprozent der trockenen Mischung
    Diatomeemehl   5 Masseprozent der trockenen Mischung
    Siliciumoxid   16 Masseprozent der trockenen Mischung
    Eisenphosphid   5 Masseprozent der trockenen Mischung
    Cellit   2 Masseprozent der trockenen Mischung
    Titanoxid   4 Masseprozent der trockenen Mischung
  10. Zusammensetzung nach Anspruch 4, dadurch gekennzeichnet, daß sie außerdem Eisenoxid in einem Anteil von etwa 1% aufweist.
EP92402242A 1991-10-10 1992-08-06 Eisenphosphide enthaltende Zusammensetzungen für Zündholzköpfe Expired - Lifetime EP0540372B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9112458 1991-10-10
FR9112458A FR2682375B1 (fr) 1991-10-10 1991-10-10 Composition pour boutons d'allumettes contenant des phosphures de fer.

Publications (2)

Publication Number Publication Date
EP0540372A1 EP0540372A1 (de) 1993-05-05
EP0540372B1 true EP0540372B1 (de) 1994-01-05

Family

ID=9417764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92402242A Expired - Lifetime EP0540372B1 (de) 1991-10-10 1992-08-06 Eisenphosphide enthaltende Zusammensetzungen für Zündholzköpfe

Country Status (6)

Country Link
EP (1) EP0540372B1 (de)
AT (1) ATE99661T1 (de)
DE (1) DE69200035T2 (de)
DK (1) DK0540372T3 (de)
ES (1) ES2062876T3 (de)
FR (1) FR2682375B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFI20110204A1 (it) * 2011-09-22 2013-03-23 Veronica Giuntoli Fiammifero.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE399864A (de) * 1932-11-28
US2132996A (en) * 1936-02-12 1938-10-11 Samuel D Ehrlich Ignition and priming compound
GB2098975B (en) * 1981-05-27 1985-07-31 Immobiliere Financiere Et Des Improvements in the manufacture of socalled safety matches
GB2252312B (en) * 1991-01-08 1995-02-08 Bryant & May Ltd Match head formulations

Also Published As

Publication number Publication date
DE69200035D1 (de) 1994-02-17
DE69200035T2 (de) 1994-06-23
EP0540372A1 (de) 1993-05-05
FR2682375B1 (fr) 1993-11-26
FR2682375A1 (fr) 1993-04-16
ATE99661T1 (de) 1994-01-15
ES2062876T3 (es) 1994-12-16
DK0540372T3 (da) 1994-05-16

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