Patent ID: 8759411
Filing Date: 2014-06-24
Classification: C08G,C08J,C08K,C09D

Abstract:
1. A method for enhancing flame retardance of a polyurethane material, the method comprising: incorporating a diphosphine compound as a flame retardant into the polyurethane material, wherein the polyurethane material comprises a polyurethane component, a diphosphine compound, optionally a further polymer, and optionally a further additive, wherein the diphosphine compound is a diphosphine compound of the formula (I): wherein X is S or O; n is 0 or 1; R R wherein a total amount of the diphosphine compound of the formula (I) is from 2 to 15 parts by weight, based on 100 parts by weight of the polyurethane component.