| 摘要 |
<p>A rapid setting alpha -cyanoacrylate based adhesive composition having an improved storage stability comprises a polymerization catalyst which is a polyethylene glycol derivative of the general formula <IMAGE> wherein A is a group linking the X's by one or two atoms, B is a tetravalent atom eg C or Si, R is a C1-C12 group free of hydroxy or amino, R<1> is H or lower alkyl, R<2> is lower alkyl, X and Y are oxygen or may be sulphur or -N-CH3 in compounds containing group A, and n m p and q are integers.</p> |
