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Flame-retardant gray polyamide composition and its use

A polyamide composition and polyamide technology, applied in the field of molded parts and flame-retardant polyamide compositions, can solve the problems of short afterflame time and lack of

Active Publication Date: 2021-09-28
CLARIANT INT LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Flame-retardant phosphinate-containing polyamide compositions simultaneously achieving all required properties, such as good electrical values ​​(GWFI, CTI), gray (color) without red tinge and characterized by the shortest possible Effective flame retardancy for afterflame time (UL-94, afterflame time)

Method used

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  • Flame-retardant gray polyamide composition and its use
  • Flame-retardant gray polyamide composition and its use
  • Flame-retardant gray polyamide composition and its use

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 3

[0194] Aluminum salt of diethylphosphinic acid, comprising 0.9 mol% aluminum ethylbutylphosphinate and 0.5 mol% aluminum ethylphosphonate, prepared according to Example 3 of US 7,420,007 B2

[0195] Flame retardant FM 2 (components C, D and E):

Embodiment 4

[0196] Aluminum salt of diethylphosphinic acid, comprising 2.7 mol% aluminum ethylbutylphosphinate and 0.8 mol% aluminum ethylphosphonate, prepared according to Example 4 of US 7,420,007 B2

[0197] Flame retardant FM 3 (components C, D and E):

[0198] Aluminum salt of diethylphosphinic acid, comprising 0.5 mol% aluminum ethylbutylphosphinate and 0.05 mol% aluminum ethylphosphonate, prepared according to the method of US 7,420,007 B2

[0199] Flame retardant FM 4 (components C, D and E):

[0200] Aluminum salt of diethylphosphinic acid, comprising 10 mol% of aluminum ethylbutylphosphinate and 5 mol% of aluminum ethylphosphinate, prepared according to the method of US 7,420,007 B2

[0201] Flame retardant FM 5 (component C):

[0202] Aluminum salt of diethylphosphinic acid, prepared analogously to Example 1 of DE 196 07 635 A1

[0203] Flame retardant FM 6 (components C and E):

[0204] Aluminum salt of diethylphosphinic acid, containing 8.8 mol % of aluminum ethylphosphon...

Embodiment 1

[0206] Aluminum salt of phosphonic acid, prepared according to Example 1 of DE 10 2011 120 218 A1

[0207] Flame retardant FM 8 (component F):

[0208] Melamine polyphosphate, prepared according to the examples of WO 2000 / 002869 A1

[0209] Flame retardant FM 9 (not according to the invention):

[0210] Melamine polyphosphate with an average degree of condensation of 18, prepared analogously to WO 2000 / 002869 A1

[0211] Flame retardant FM 10 (not according to the invention):

[0212] Red phosphorus( RP 607, Clariant)

[0213] Flame retardant FM 11 (not according to the invention):

[0214] Brominated polystyrene ( HP 3010, Albemarle), masterbatch mixed with antimony trioxide in 75%:25% ratio 80% in PA 6 (Campine)

[0215] Gray colorant (component G)

[0216] Pigment pellets in polyamide, Elektrograu RAL 7032 (Lifocolor, Lichtenfels, D company)

[0217] 2. Preparation, processing and testing of flame retardant polyamide molding compound

[0218] The flame retardant...

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Abstract

The present invention relates to flame-retardant gray polyamide compositions and their use. In particular, the present invention relates to the provision of flame-retardant polyamide compositions based on phosphinate-containing flame-retardant systems, which at the same time have all the aforementioned properties and which have, inter alia, a gray color without a red tinge and are characterized by the shortest possible continuation High flame retardancy of burning time.

Description

technical field [0001] The present invention relates to flame-retardant polyamide compositions and moldings produced therefrom. Background technique [0002] Combustible plastics generally have to be equipped with flame retardants in order to be able to meet the high flame retardancy requirements required by plastics processors and in some cases by legislators. Preferably, also for ecological reasons, non-halogenated flame retardant systems are used which form little or no smoke. [0003] Among these flame retardants, the salts of phosphinic acid (phosphinates) have proven to be particularly effective for thermoplastic polymers (DE 2 252 258 A and DE 2 447 727 A). [0004] It is also known that synergistic combinations of phosphinates with specific nitrogen-containing compounds act more effectively as flame retardants in a whole series of polymers than phosphinates alone (WO-2002 / 28953 A1 and DE 197 34 437 A1 and DE197 37 727 A1). [0005] It is known from US 7,420,007 B2...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/06C08L77/02C08K13/04C08K7/14C08K5/5313C08K5/5317
CPCC08K5/5313C08K5/5317C08K7/14C08K13/04C08L77/06C08L2201/02C08L2203/16C08L2203/12C08L2203/20C08L2205/02C08L77/02C08K5/0066C08K5/34928C08K5/53C08K5/00C08K5/17C08K5/3492C08K5/49C08K3/013C08L77/00C08K3/32C08J5/10C08J5/043C08K5/34922C08K5/521C08K2201/005C08L2205/025
Inventor H·鲍尔S·赫罗尔德M·西肯
Owner CLARIANT INT LTD
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