| 摘要 |
PCT No. PCT/GB80/00104 Sec. 371 Date Feb. 5, 1981 Sec. 102(e) Date Feb. 5, 1981 PCT Filed Jun. 16, 1980 PCT Pub. No. WO80/02843 PCT Pub. Date Dec. 24, 1980.Delayed action setting of a composition comprising an anionic latex of a film forming polymer by addition of a delayed action setting agent characterized in that the setting agent is a compound containing a multivalent metal cation having defined solubility characteristics in a quantity not greater than 2.5% wt/wt on total composition and not greater than 11% wt/wt based on film forming polymer solids in the composition.
|
