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Method for making pyrotechnic material and related technology

机译:制造烟火材料及相关技术的方法

摘要

A method for making a pyrotechnic composition in accordance with an embodiment of the present technology includes flowing metal powder, polytetrafluoroethylene powder, and binder powder in separate respective feed streams toward an extruder. The binder powder includes adhesive material and polytetrafluoroethylene anticaking material coating the adhesive material. The method further includes interspersing the metal powder, the binder powder, and the fluoropolymer powder to form a mixture. This mixture is then subjected to an extrusion process during which the anticaking material coating the adhesive material is disrupted. This releases the adhesive material to bind together the metal powder and the polytetrafluoroethylene powder in the extrudate. The powder mixture includes no solvent at any time between being formed and being extruded, yet the extrudate is well-mixed and cohesive.
机译:根据本技术的实施方案的制备烟火组合物的方法包括流动的金属粉末,聚四氟乙烯粉末和粘合剂粉末在将相应的相应进料流中朝向挤出机分离。 粘合剂粉末包括粘合材料和涂覆粘合材料的聚四氟乙烯抗突材料。 该方法还包括穿插金属粉末,粘合剂粉末和含氟聚合物粉末以形成混合物。 然后将该混合物进行挤出过程,在此期间涂覆粘合材料的抗凸起材料被破坏。 这释放了粘合剂材料,将金属粉末和挤出物中的聚四氟乙烯粉末结合在一起。 粉末混合物在形成和挤出之间的任何时间不包括溶剂,但挤出物是良好的混合和粘性的。

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