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    • 9. 发明授权
    • Flame retardants for polyurethanes
    • 聚氨酯阻燃剂
    • US4666967A
    • 1987-05-19
    • US821178
    • 1986-01-22
    • Norman Richardson, deceasedBrian G. ClubleyRichard J. Dellar
    • Norman Richardson, deceasedBrian G. ClubleyRichard J. Dellar
    • C08G18/00C07C279/24C07C279/28C07F9/38C07F9/40C08G18/02C08G18/38C08K5/49C08K5/5317C08L75/00C08L75/04C08K5/53
    • C07F9/4006C07C279/24C07C279/28C07F9/3808C08G18/388C08G18/3889C08K5/5317
    • The invention provides polyurethanes and polyisocyanurate having incorporated therein a flame retardant amount of a salt formed by reaction between dimethyl methyl phosphonate, monomethyl methyl phosphonate or methyl phosphonic acid, and a compound of the general formula (I). ##STR1## in which X is O, S or NH, R.sup.1 is H, alkyl with 1 to 4 carbon atoms, alkenyl of up to 4 carbon atoms, CN, CONH.sub.2 or NH.sub.2, R.sup.2 is H, alkyl with 1 to 4 carbon atoms or alkenyl of up to 4 carbon atoms or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached form a heterocyclic ring of up to 6 carbon atoms which may optionally contain another hetero atom and R is H, an alkyl group with 1 to 8 carbon atoms, an aryl group with 6 to 10 carbon atoms, a cycloalkyl group with 5 to 12 carbon atoms or a heterocyclic group with up to 9 ring carbon atoms, or, together with R.sup.1 forms an alkylene chain of 3 to 10 carbon atoms, or R is a group NHR.sup.3 wherein R.sup.3 is H, alkyl with 1 to 4 carbon atoms, alkenyl of up to 4 carbon atoms, CN, CONH.sub.2 or NH.sub.2 or together with R.sup.1 forms an alkylene chain of 2 or 3 carbon atoms, or R is a group ##STR2## where R.sup.1 and R.sup.2 are as defined above and R.sup.4 is a direct bond or an alkylene group having up to 8 carbon atoms or is an arylene group having 6 to 10 carbon atoms.
    • 本发明提供了在其中掺入阻燃剂量的由甲基膦酸二甲酯,甲基膦酸甲酯或甲基膦酸与通式(I)的化合物反应形成的盐的聚氨酯和聚异氰脲酸酯。 其中X为O,S或NH,R 1为H,具有1至4个碳原子的烷基,至多4个碳原子的烯基,CN,CONH 2或NH 2,R 2为H,具有1至4个碳原子的烷基 最多4个碳原子的原子或链烯基或R1和R2与它们所连接的氮原子一起形成最多6个碳原子的杂环,其可任选地含有另一个杂原子,R是H,具有1个 至8个碳原子,具有6至10个碳原子的芳基,具有5至12个碳原子的环烷基或具有多达9个环碳原子的杂环基,或者与R 1一起形成3至10个碳的亚烷基链 原子或R为基团NHR 3,其中R 3为H,具有1至4个碳原子的烷基,至多4个碳原子的烯基,CN,CONH 2或NH 2或与R 1一起形成2或3个碳原子的亚烷基链,或 R是一个基团,其中R 1和R 2如上定义,R 4是直接键或具有至多8个碳原子的亚烷基,或者是具有6至10个碳原子的亚芳基 bon原子