Halogen-free flame retardant polyamide composition with improved electrical and flammability properties

• US 20060058432A1
• Filed: 01/12/2005
• Published: 03/16/2006
• Est. Priority Date: 05/04/2004
• Status: Active Grant

• Current Assignee: SHPP Global Technologies BV (Government of Saudi Arabia)
• Original Assignee: General Electric Company
• Inventors: Mercx, Franciscus Petrus Maria, Kumaraswamy, Ramya, Puyenbroek, Robert, Perego, Carlo, Charati, Sanjay, Manjunath, HR
• Granted Patent: US 7,803,856 B2
• Time in Patent Office: Days
• US Class Current: 524/115
• CPC Class Codes: C08K 5/5313 Phosphinic compounds, e.g. R2=P(:O)OR'
• CPC Class Codes: C08L 77/00 Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain of polyhydrazides C08L79/06; of polyamideimides or polyamide acids C08L79/08; Compositions of derivatives of such polymers

Abstract

Flame retardant polyamide compositions are provided containing a polyamide; a flame retardant system including a metal phosphinate or diphosphinate salt and a nitrogen compound; an aromatic polymer, and optionallly untreated nanoclay having an aspect ratio of about 100 to about 1000.

Claims