Cyanoacrylate adhesives with improved cured thermal...

C - Chemistry – Metallurgy – 09 – J

Patent

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C09J 4/04 (2006.01) C08K 5/00 (2006.01) C08L 35/04 (2006.01) C09J 4/00 (2006.01)

Patent

CA 2107444

CYANOACRYLATE ADHESIVES WITH IMPROVED CURED THERMAL PROPERTIES UTILIZING SUBSTITUTED AROMATIC ADDITIVE Abstract Of The Disclosure A cyanoacrylate monomer adhesive formulation which has improved thermal properties resulting from the inclusion in the formulation of an effective amount for enhancing the thermal resistance of the cured polymer of a mono, poly or hetero aromatic compound characterized by at least three substitutions on an aromatic ring thereof, two or more of said substitutions being electron withdrawing groups selected from the group consisting of NO2, CN, CF3, NR13+, SR12+, C(=O)R1, C(=O)OR1, NO, CCl3, SO2, S(=O), SO3, SO2R1, SO2OR1 and F, one or more of said substitutions being leaving groups selected from the group consisting of F, Br, Cl, l, NO2, CN, SOR1, SO2R1 and SO2OR1, and R1 is an optionally substituted hydrocarbon group. Example such compounds have the formula: Image where L is the leaving group and the W groups are the electron withdrawing groups.

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