| 摘要 |
<p>Mixtures of rubber latex and liq. water glass, with addn of sodium aluminate in amt. 1.3-5.4 pts per pt. of SiO2. The water glass content corresponds to 1-10 wt.% pts. SiO2 (based on rubber in latex). Mixtures are pref. made by stirring the water glass into the latex until dissolved and then stirring in an aq. soln. of sodium aluminate.</p> |
