| 简介 |
Composite particles (P) with (A) an organic polymer core at least partly coated with (B) one or more layers of a mineral phase comprising water-insoluble hydrated alkaline earth silicate(s) such as insoluble hydrated calcium or magnesium silicate or a mixed phase thereof. Independent claims are also included for (1) a method (M2) for the production of a suspension of (P) by mixing an aqueous suspension (latex) of water-insoluble polymer (A) with an alkaline earth hydroxide or halide (chloride, bromide, fluoride or iodide) and adding a water-soluble alkali silicate or alkaline earth silicate (2) a method (M2) for the production of (P) with several layers of (B), by repeating M1 several times (3) mineral binder compositions containing (P). |
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