Instant adhesive composition utilizing calixarene accelerators
AssigneeLoctite Corporation
InventorsStephen J. Harris, M. Anthony McKervey, David P. Melody, John Woods, John M. Rooney
Life of this patent
Estimating the term…
Abstract
Cyanoacrylate adhesive compositions which employ calixarene compounds as additives give substantially reduced fixture and cure times on de-activating substrates such as wood. The calixarene compounds are preferably employed at levels of about 0.1-1% by weight of the composition. The calixarene compounds particularly useful in this invention may be represented by the formula: ##STR1## where R.sup.1 is alkyl, alkoxy, substituted alkyl or substituted alkoxy; R.sup.2 is H or alkyl; and n=4, 6 or 8.
Claims7
In a cyanoacrylate adhesive composition, the improvement comprising that the composition includes an accelerator compound in a conventional amount, the accelerator compound being a calixarene compound stable to cyanoacrylate monomers represented by the formula:
- ##STR4## where an R.sup.1 is alkyl, alkoxy substituted alkyl or substituted alkoxy;
- R.sup.2 is H or alkyl;
- and n=4,6 or 8.
Dependencies are inferred from the claim text.