FLAME RETARDANT RESIN COMPOSITION

• Main Authors: TADA YUJI, MORIYA NARIMASA, YANO HIROSHI, SUZUKI ATSUKO, KOYAMA SHIGETO
• Format: Patent
• Language: English
• Published: 25.04.2013
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DYES; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

PROBLEM TO BE SOLVED: To provide a phosphazene compound capable of effectively improving the flame retardancy of a molded resin article, providing the molded resin article with excellent electrical properties, especially a low dielectric constant ( ) and low dielectric loss tangent (tanδ), and also having a high heat resistance.SOLUTION: There is provided a method for producing a cyclic phosphazene compound containing ethenylphenoxy group expressed by formula (1), comprising a reaction step to form a carbon-carbon bond of a cyclic phosphazene compound containing a phenoxy group having a leaving group and an ethenyl compound. In formula (1), n is an integer of 1-6; at least one A group is ethenylphenoxy expressed by formula (2); and the other A groups are aryloxy.