| 摘要 |
<p>Emulsions contain 27 to 90%, pref. 70 to 80% liquid epoxy resin, 5 to 40%, pref. 10 to 20% wt. polyamine type hardener and 0.8 to 10%, pref. 5 to 5.5% of a non-ionic emulsifier obtd. by reactg. 1 mole colophane with 25 to 35 moles of alkylene oxide contg. 2 to 4 C pref. ethylene oxide. This emulsion is extremely stable, and contains a large quantity of epoxy resin and a small quantity of emulsifier. These emulsions can be used to strengthen mortar and cement mixes.</p> |
