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    • 1. 发明公开
    • 탄피
    • 弹药盒
    • KR1020070114384A
    • 2007-12-03
    • KR1020077022825
    • 2006-03-07
    • 솔베이 스페셜티 폴리머즈 유에스에이, 엘엘씨
    • 말코빅니키카러싱토드에스
    • F42B5/30
    • F42B5/307C08G2261/312C08L65/02C08L69/00C08L81/06F42B5/297F42B5/30F42B5/313C08L2666/14
    • An ammunition article is provided which comprises a casing and a cap wherein the casing is formed from a polymeric material that has a room temperature notched Izod impact value greater than about 10 ft lbs/in and then has a ratio of notched Izod impact value at room temperature to notch Izod impact value at about -40 °C of less than about 4. Alternatively the casing may be formed from-a polyphenylsulf one or-a Siloxane-modif ied Bisphenol-A polycarbonate or-a Bisphenol-A polycarbonate with biphenyl linkages or-a blend comprising Bisphenol-A polycarbonate and an acrylic elastomer. There is also provided a method of improving the viscoelastic response of a polymeric ammunition cartridge casing material by blending the material with a high modulus polymer.
    • 提供了一种弹药制品,其包括壳体和帽,其中壳体由具有大于约10ft lbs / in的室温缺口伊佐德冲击值的聚合材料形成,然后在室内具有缺口伊佐德冲击值的比率 温度至缺口艾佐德冲击值在约-40℃下小于约4.或者,壳体可以由聚苯基硫醚或 - 硅氧烷改性的双酚A聚碳酸酯或双酚A聚碳酸酯与联苯键形成 或包含双酚A聚碳酸酯和丙烯酸弹性体的共混物。 还提供了一种通过将材料与高模量聚合物共混来改善聚合物弹药筒外壳材料的粘弹性响应的方法。