Cyanate resin, polyepoxide and metal complex curing agent

US6372861B1 · kind B1 · utility

Assignee

• Bakelite A.G. · DE

Inventors

• Jurgen Schillgalies · Moers, DE
• Heinz-Gunter Reichwein · Kamp-Lintfort, DE
• Andreas Palinsky · Garbsen, DE
• Achim Kaffee · Trostberg, DE

Key dates

• Filing date: Jan 19, 2000
• Grant date: Apr 16, 2002
• Expiry date: Jan 19, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/0091
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A curable mixture comprising at least one cyanate resin, at least one epoxide compound with more than one epoxy group per molecule, and a metal formula selected from the group consisting of MLxBy, M[SR]xBy, M[SR]x(N)y, M(PHal)m and M(PHal)m(N)n wherein M is a cation of a complexing metal, SR is an organic or inorganic acid residue, L is a chelating ligand, B is a Lewis base, PHal is an ion of a pseudohalide, N is a nitrogen base, x is an integer from 1 to 8, y is an integer from 1 to 5, z is an integer from 7 to 8, m is an integer from 2 to 3 and n is an integer from 1 to 2.