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dust suppression aggregate, method of forming a dust suppression aggregate, and system for producing a dust suppression aggregate.
dust suppression aggregate, method of forming a dust suppression aggregate, and system for producing a dust suppression aggregate.
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机译:抑尘骨料,形成抑尘骨料的方法和用于生产抑尘骨料的系统。
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摘要
An encapsulated particle includes a core particle, a polyurethane layer, and a wax. The polyurethane layer is disposed about the core particle and the wax is disposed about the polyurethane layer. The polyurethane layer includes the reaction product of an isocyanate and a polyol component. The polyol component includes a catalytic polyol derived from an aromatic amine-based initiator and a polyether polyol that is different from the catalytic polyol in a weight ratio of from about 1:2 to about 10:1. A method of encapsulating the core particle includes the steps of providing the core particle, the isocyanate, the polyol component, and the wax. The method also includes the steps of mixing and reacting the isocyanate and the polyol component to form a polyurethane, encapsulating the core particle with the polyurethane layer which comprises the polyurethane, and encapsulating the polyurethane layer with the wax.
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