DE10236081A1 - Fire-resistant melamine cyanurate-containing polyamide, useful for protection against fire,contains aminosilane and has improved distribution of the melamine cyanurate in the matrix - Google Patents

Fire-resistant melamine cyanurate-containing polyamide, useful for protection against fire,contains aminosilane and has improved distribution of the melamine cyanurate in the matrix Download PDF

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DE10236081A1
DE10236081A1 DE10236081A DE10236081A DE10236081A1 DE 10236081 A1 DE10236081 A1 DE 10236081A1 DE 10236081 A DE10236081 A DE 10236081A DE 10236081 A DE10236081 A DE 10236081A DE 10236081 A1 DE10236081 A1 DE 10236081A1
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Prior art keywords
melamine cyanurate
polyamide
aminosilane
fire
matrix
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DE10236081A
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German (de)
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Theodor Dr. Uhlenbroich
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    • 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
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • C08K5/34924—Triazines containing cyanurate groups; Tautomers thereof
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • 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
    • C08K5/54—Silicon-containing compounds
    • C08K5/544—Silicon-containing compounds containing nitrogen
    • 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
    • C08K5/54—Silicon-containing compounds
    • C08K5/549—Silicon-containing compounds containing silicon in a ring
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3009—Sulfides
    • C08K2003/3036—Sulfides of zinc

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A fire resistant melamine cyanurate-containing polyamide containing aminosilane is new.

Description

Die Erfindung betrifft flammwidriges Polyamid, seine Herstellung und seine Verwendung.The invention relates to flame retardant Polyamide, its manufacture and its use.

Es ist bekannt, Melamincyanurat (C3H6N3⋅C3H3N3O3) als Flammschutzmittel in Polyamid (PA) und glasfaserverstärktes Polyamid einzuarbeiten. Problematisch ist das homogene Einarbeiten von Melamincyanurat in PA und glasfaserverstärktem PA. Insbesondere bei glasfaserverstärktem PA kommt es aufgrund der "Dochtwirkung" der Glasfasern zu einer Anreicherung des Melamincyanurates an der Glasfaser. Dadurch steht das Melamincyanurat nur in unzureichender Menge in der PA-Matrix als Flammschutz zur Verfügung.It is known to incorporate melamine cyanurate (C 3 H 6 N 3 ⋅C 3 H 3 N 3 O 3 ) as a flame retardant in polyamide (PA) and glass fiber reinforced polyamide. The homogeneous incorporation of melamine cyanurate in PA and glass fiber reinforced PA is problematic. In the case of glass fiber reinforced PA in particular, the “wicking” of the glass fibers leads to an accumulation of the melamine cyanurate on the glass fiber. As a result, the melamine cyanurate is only insufficiently available in the PA matrix as flame protection.

Aufgabe der Erfindung ist es, die Nachteile des Standes der Technik zu überwinden und insbesondere ein flammwidriges Polyamid zu schaffen, bei dem das als Flammschutzmittel eingesetzte Melamincyanurat gleichmäßig im PA verteilt ist.The object of the invention is that To overcome disadvantages of the prior art and in particular to create a flame retardant polyamide, which is used as a flame retardant the melamine cyanurate used is evenly distributed in the PA.

Gelöst wird die Aufgabe durch ein Melamincyanurat enthaltendes Polyamid (PA), welches zusätzlich ein Aminosilan enthält. Dabei kann das Polyamid glasfaserverstärkt sein.The task is solved by a Melamine cyanurate-containing polyamide (PA), which also has a Contains aminosilane. The polyamide can be glass fiber reinforced.

Als Aminosilane können bevorzugt nichtcyclische Aminosilane eingesetzt werden. Auch können von den Cyclosilanen abgeleitete Aminosilane (Cyclosilylamine) eingesetzt werden.Non-cyclic ones can preferably be used as aminosilanes Aminosilanes are used. Can also be derived from the cyclosilanes Aminosilanes (cyclosilylamines) are used.

Bevorzugt enthält das flammwidrige Polyamid folgende Inhaltsstoffe (%-Angaben verstehen sich als Gew.-%):The flame-retardant polyamide preferably contains the following ingredients (percentages are percentages by weight):

Polyamidpolyamide 50 bis 9050 to 90 Glasfasernglass fibers 0 bis 30 %0 up to 30%

Melamincyanuratmelamine 5 bis 30 %5 up to 30% Aminosilanaminosilane 0,1 bis 5 %0.1 until 5 %

Besonders bevorzugt enthält das flammwidrige Polyamid folgende Inhaltsstoffe:It particularly preferably contains flame retardant Polyamide the following ingredients:

Polyamidpolyamide 50 bis 70 %50 up to 70% Glasfasernglass fibers 20 bis 30 %20 up to 30% Melamincyanurat melamine 10 bis 25 %10 up to 25% Aminosilanaminosilane 0,5 bis 2 % 0.5 up to 2 %

Als zusätzliche Inhaltsstoffe können übliche Gleitmittel, Stabilisatoren und sonstige Additive enthalten sein. In einer weiteren Ausgestaltung der Erfindung können bis zu 50 Gew.-% der eingesetzten Melamincyanuratmenge durch Zinksulfid (ZnS) ersetzt werden.Common lubricants, Stabilizers and other additives may be included. In another Embodiment of the invention can up to 50 wt .-% of the amount of melamine cyanurate used by zinc sulfide (ZnS) to be replaced.

Das erfindungsgemäße flammwidrige Polyamid kann z.B. so hergestellt werden, dass das Aminosilan mit dem Melamincyanurat gemischt wird und zu dieser Mischung das Polyamid, welches ggf. Glasfasern enthält, gegeben wird. Wird Melamincyanurat teilweise durch ZnS ersetzt, kann das Aminosilan auch mit dem ZnS vorgemischt werden.The flame-retardant polyamide according to the invention can e.g. be prepared so that the aminosilane with the melamine cyanurate is mixed and to this mixture the polyamide, which may Contains glass fibers, is given. If melamine cyanurate is partially replaced by ZnS, the aminosilane can also be premixed with the ZnS.

Verwendung findet das erfindungsgemäße Polyamid z.B. als flammwidriger Stoff gemäß der Einstufung nach UL 94 V0.The polyamide according to the invention is used e.g. as a flame retardant substance according to the classification according to UL 94 V0.

Der Vorteil des erfindungsgemäßen flammwidrigen Polyamids besteht in der besseren Verteilung des Melamincyanurates in der Matrix und einer dadurch bedingten geringen Einsatzmenge des Melamincyanurates.The advantage of the flame retardant according to the invention Polyamide consists in the better distribution of the melamine cyanurate in the matrix and a resulting small amount of use of the melamine cyanurate.

Claims (8)

Melamincyanurat (MC) enthaltendes Polyamid (PA), dadurch gekennzeichnet, dass es ein Aminosilan enthält.Melamine cyanurate (MC) containing polyamide (PA), characterized in that it contains an aminosilane. Polyamid nach Anspruch 1, dadurch gekennzeichnet, dass es glasfaserverstärkt ist.Polyamide according to claim 1, characterized in that it is glass fiber reinforced. Polyamid nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass als Aminosilan ein nichtcyclisches Aminosilan eingesetzt wird.Polyamide according to claim 1 or 2, characterized in that a non-cyclic aminosilane is used as aminosilane. Polyamid nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass als Aminosilan ein cyclisches Aminosilan eingesetzt wird.Polyamide according to claim 1 or 2, characterized in that a cyclic aminosilane is used as aminosilane. Polyamid nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das flammwidrige Polyamid folgende Inhaltsstoffe enthält (%-Angaben in Gew.-%): Polyamid 50 bis 90 % Glasfasern 0 bis 30 % Melamincyanurat 5 bis 30 % Aminosilan 0,1 bis 5Polyamide according to one of claims 1 to 4, characterized in that that the flame-retardant polyamide contains the following ingredients (% figures in% by weight):  Polyamide 50 to 90% Glass fibers 0 to 30% melamine 5 to 30%  Aminosilane 0.1 to 5 Polyamid nach Anspruch 5, dadurch gekennzeichnet, dass das flammwidrige Polyamid folgende Inhaltsstoffe enthält (%-Angaben in Gew.-%): Polyamid 50 bis 70 % Glasfasern 20 bis 30 % Melamincyanurat 10 bis 25 Aminosilan 0,5 bis 2 %Polyamide according to claim 5, characterized in that the flame retardant Polyamide contains the following ingredients (% data in% by weight): polyamide 50 to 70% Glass fibers 20 to 30% Melamine cyanurate 10 to 25 Aminosilane 0.5 to 2% Polyamid nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Polyamid übliche Gleitmittel, Stabilisatoren und/oder sonstige Additive enthält.Polyamide according to one of claims 1 to 6, characterized in that that the polyamide is the usual lubricant, Contains stabilizers and / or other additives. Polyamid nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass bis zu 50 Gew.-% der eingesetzten Melamincyanuratmenge durch Zinksulfid (ZnS) ersetzt wird.Polyamide according to one of claims 1 to 7, characterized in that up to 50% by weight of the amount of melamine cyanurate used Zinc sulfide (ZnS) is replaced.
DE10236081A 2002-08-07 2002-08-07 Fire-resistant melamine cyanurate-containing polyamide, useful for protection against fire,contains aminosilane and has improved distribution of the melamine cyanurate in the matrix Withdrawn DE10236081A1 (en)

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DE10236081A DE10236081A1 (en) 2002-08-07 2002-08-07 Fire-resistant melamine cyanurate-containing polyamide, useful for protection against fire,contains aminosilane and has improved distribution of the melamine cyanurate in the matrix

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DE10236081A DE10236081A1 (en) 2002-08-07 2002-08-07 Fire-resistant melamine cyanurate-containing polyamide, useful for protection against fire,contains aminosilane and has improved distribution of the melamine cyanurate in the matrix

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013131545A1 (en) 2012-03-07 2013-09-12 Trovotech Gmbh Flame retardant composition for thermoplastic polymers consisting of porous, amorphous glass powder and melamine cyanurate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013131545A1 (en) 2012-03-07 2013-09-12 Trovotech Gmbh Flame retardant composition for thermoplastic polymers consisting of porous, amorphous glass powder and melamine cyanurate
DE102012004357A1 (en) 2012-03-07 2013-09-12 Trovotech Gmbh Flame retardant composition for thermoplastic polymers consisting of porous, amorphous glass powder and melamine cyanurate

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