C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4703, 400/59
C08L 9/00 (2006.01) C08G 59/14 (2006.01) C08L 9/02 (2006.01) C08L 63/00 (2006.01)
Patent
CA 1340142
The invention relates to compositions containing A) a liquid copolymer based on butadiene and at least one polar, ethylenically unsaturated comonomer, and B) a polyether prepolymer capped with hydroxyarylcarboxylic or hydroxyaralkylcarboxylic acids, or a capped polyester, polythioester or polyamide containing polyether segments. The phenolic hydroxyl group in component B) can also be etherified with epichlorohydrin and this product can be converted to a thiairane, if desired, or the phenolic hydroxyl group can be reacted with cyanogen halide to form a cyanate group. The stock compositions can be used in combination with epoxy resins to manufacture structural adhesives or sealing compounds.
606646
Mulhaupt Rolf
Rufenacht Werner
Fetherstonhaugh & Co.
Mulhaupt Rolf
Rufenacht Werner
Vantico Ag
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