Method of polymerisation

C - Chemistry – Metallurgy – 08 – F

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204/10, 204/43

C08F 2/58 (2006.01) C08G 8/04 (2006.01) C08G 59/72 (2006.01) C08G 65/26 (2006.01) C08G 75/06 (2006.01) C08L 61/00 (2006.01) C09D 5/44 (2006.01)

Patent

CA 1248490

ABSTRACT METHOD OF POLYMERISATION Cationically polymerisable materials, such as epoxide resins, phenoplasts, and aminoplasts, are polymerised by passing an electric current through a composition comprising (A) the cationically polymerisable material, and (B) a boron trifluoride complex, between an anode and a cathode in contact with the composition, whereby polymerised material is deposited on the anode. Typical complexes (B) are those of boron trifluoride with primary, secondary, or tertiary amines or with trialkyl or triaryl phosphines. The method is a particularly suitable means for coating conductive substrates, giving a rapid cure without the need for special formulations to render the polymers electrodepositable.

484572

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