Liquid polysulphide/polyepoxide copolymers

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

400/2018, 402/26

C08L 63/00 (2006.01) C08F 228/02 (2006.01) C08G 59/66 (2006.01) C08G 75/04 (2006.01) C08G 81/00 (2006.01) C08L 81/04 (2006.01) C08L 87/00 (2006.01)

Patent

CA 1255040

ABSTRACT Stable liquid adduct compositions are prepared by an addition reaction between epoxy-terminated polymers and mercaptan-terminated polymers. One of the polymers is in stoichiometric excess so that the composition has free epoxy or mercaptan functional groups. The liquid polymer composition can be stored for long periods before curing with a curing agent reactive with the free functional groups.

486937

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