METHOD AND COMPOSITION FOR IMPARTING FIRE-PROOFNESS TO SYNTHETIC SHAPED ARTICLES

摘要

The invention relates to a composition suitable for rendering a shaped article of a synthetic resin fire-proof, which comprises 1. A. A PRECONDENSATE OF A TETRAKIS HYDROXYMETHYL PHOSPHONIUM COMPOUND AND UREA OR B. A PRECONDENSATE OF A TETRAKIS HYDROXYMETHYL PHOSPHONIUM COMPOUND, UREA AND MELAMINE OR GUANIDINE, 2. A COMPOUND HAVING AT LEAST TWO AMINO GROUPS IN THE MOLECULE AND 3. A METHYLOL RESIN PRECONDENSATE HAVING AT LEAST ONE METHYLOL GROUP IN THE MOLECULE.