Boron Carbide Based Biocide Compositions: A Study of Iodate Particle Size on Combustion and Iodine Output

Kotter Lance N.; Groven Lori J.

摘要

Abstract > The ever‐present threat of biological weapons has encouraged the development of novel pyrotechnic formulations that release gaseous iodine upon combustion, which acts as a potent active agent capable of countering bio‐agents (e.?g. anthrax). These formulations typically contain a fuel (Al, B, Al/B <sub>4</sub> C) and an iodate serving as an oxidizer. However, the percentage of free iodine generated is relatively low and aging of these formulations remains an issue. In this work, the role of particle size on the combustion velocities, iodine output, and combustion products are detailed for a boron carbide/sodium periodate formulation. Formulations are studied with and without the addition of binder (protectant) and the role of particle size on achieving 3‐D printable energetics is detailed. It is found that altering the fuel particle size (boron carbide) had little effect on the combustion velocity and iodine recovery. However, by reducing the particle size of the oxidizer, NaIO <sub>4</sub> , drastic improvements in iodine recovery are achieved. A reduction in mean particle size from 215 to 3?μm resulted in a 47?% increase in observed iodine recovery for powder formulations. Combustion velocities appear to be unaffected and were 1.4–1.6?mm/s. An in‐depth discussion of the decomposition pathway of pure NaIO <sub>4</sub> as well as when paired with a B <sub>4</sub> C fuel source is also discussed. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> > 迄今为止的生物武器威胁鼓励了新型烟火配方的发展，该配方释放出气态碘的燃烧，其用作能够抵抗生物试剂的有效活性剂（E.OTHAX）。这些配方通常含有燃料（Al，B，Al / B. <sub> 4 </ sub> c）和用作氧化剂的碘。然而，产生的自由碘的百分比相对较低，并且这些配方的老化仍然是一个问题。在这项工作中，粒度对燃烧速度，碘输出和燃烧产物的作用详述了碳化硼/钠周期配方。使用和不添加粘合剂（保护剂）的制剂，并详细介绍了粒度对实现3-D可印刷能量的作用。发现改变燃料粒径（碳化硼）对燃烧速度和碘回收不大。但是，通过减少氧化剂的粒径，NaiO <sub> 4 </ sub> ，实现了碘恢复的激烈改善。平均粒径为215至3Ω·μm的降低导致观察到的碘回收率增加了47〜％。燃烧速度似乎不受影响并且是1.4-1.6？mm / s。深入讨论纯NAIO的分解途径 <sub> 4 </ sub> 以及与B配对时 <sub> 4 </ sub> 还讨论了C燃料源。 </ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-29946/'>《Propellants, Explosives, Pyrotechnics》</a> <b style="margin: 0 2px;">|</b><span>2020年第3期</span><b style="margin: 0 2px;">|</b><span>共8页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kotter Lance N.&option=202" target="_blank" rel="nofollow">Kotter Lance N.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Groven Lori J.&option=202" target="_blank" rel="nofollow">Groven Lori J.;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of Chemical and Biological EngineeringSouth Dakota School of Mines and Technology501 E St. Joseph St Rapid City SD 57701 USA;</p> <p>Department of Chemical and Biological EngineeringSouth Dakota School of Mines and Technology501 E St. Joseph St Rapid City SD 57701 USA;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/1837.html" title="爆炸物工业、火柴工业">爆炸物工业、火柴工业;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Biocide&option=203" rel="nofollow">Biocide;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sodium Periodate&option=203" rel="nofollow">Sodium Periodate;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Boron Carbide&option=203" rel="nofollow">Boron Carbide;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ceramic Fuel&option=203" rel="nofollow">Ceramic Fuel;</a> </p> <div class="translation"> 机译：杀生物剂;钠周期;碳化硼;陶瓷燃料; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704024626192.html">Boron Carbide Based Biocide Compositions: A Study of Iodate Particle Size on Combustion and Iodine Output</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kotter Lance N.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Kotter Lance N.,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Groven Lori J.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Groven Lori J. </a> <a href="/journal-foreign-29946/" target="_blank" rel="nofollow" class="tuijian_authcolor">Propellants, Explosives, Pyrotechnics .</a> <span>2020</span><span>,第3期</span> </span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：基于碳化硼的杀菌剂组合物：燃烧和碘输出碘酸碘粒度的研究</span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704022277009.html">Ignition and Combustion of Pyrotechnic Compositions Based on Microsized and Ultra-Nanosized Aluminum Particles in a Moist Medium in a Two-Zone Gas Generator</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yagodnikov D. 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