Fire retardant polymers containing thermally stable cyclic phosphonate esters

Abstract

Abstract 1. A POLYMER COMPOSITION CONTAINING A FLAME RETARDANT AMOUNT OF AT LEAST ONE COMPOUND SET FOURTH BY THE FORMULAE: ((2-(O=),2-R3,5-R2-1,3,2-DIOXAPHOSPHORINAN-5-YL)-CH2-O)C- P(=O)(-(R)A)-(O-R'')B WHERE A IS O OR 1;B IS O, 1 OR 2, C IS 1, 2, OR 3 AND A+B+C IS 3, R AND R'' ARE THE SAME OR DISSIMILAR AND ARE ALKYL (C1-C8), PHENYL, HALOPHENYL, HYDROXYPHENYL, TOLYL, XYLYL, BENZYL, PHENETHYL, HYDROXYETHYL, PHENOXYETHYL, OR DIBROMOPHENOXYMETHYL; R2 IS ALKYL (C1-C4); AND R3 IS LOWER ALKYL (C1-C4) OR HYDROXYALKYL (C1C4) AND ((2-R3,5-R2-1,3,2-DIOXAPHOSPHORINAN-5-YL)-CH2-OOC)A-R5- (COO-R4)D WHERE D IS O, 1 OR 2; E IS 1 OR 3; R2 IS ALKYL (C1-C4); R3 IS LOWER ALKYL (C1-C4) OR HYDROXYALKYL (C1-C4); R4 IS ALKYL (C1-C4)PHENYL, HALOPHENYL, HYDROXYPHENYL HYDROXYETHYL, PHENOXYETHYL, DIBROMOPHENOXYETHYL, TOLYL, XYLYL, BENZYL, OR PHENETHYL; AND R5 IS MONOVALENT ALKYL (C1-C6), CLOROPHENYL, BORMOPHENYL, DIBROMOPHENYL, TRIBROMOPHENYL, HYDROXYPHENYL, NAPHTHYL TOLYL, XYLYL, BENZYL, OR PHENYETHYL; DIVALENT ALKYLENE (C1-C6), VINYLENE, O-PHENYLENE, M-PHENYLENE; P-PHENYLENE, TETRACHLOROPHENYLENE (O, M, OR P), OR TETRABROMOPHENYLENE (O, M, OR P); OR TRIVALENT PHENENYL.

Inventors

• 👤 J Anderson
• 👤 V Camacho
• 👤 R Kinney

Bibliographic Details