Preparation of β‐CD@ferrocene@hollow mesoporous silica microsphere and investigation of its flame retardant EP

摘要

Abstract >For improving the flame retardancy of epoxy resin (EP), β‐cyclodextrin@ ferrocene@hollow mesoporous silica microspheres (β‐CD@FE@HMS) were prepared successfully by the self‐assembly method. Then, they were used as flame retardant to improve the fire safety of EP. EP/β‐CD@FE and EP/HMS composites were also prepared for comparative study. The results showed that β‐CD@FE@HMS could effectively improve the thermal stability of EP, in which the initial degradation temperature and the amount of char residue of EP were increased. The content of small molecule toxic gases produced by the combustion of EP composite was also reduced apparently. With the addition of 5 wt% β‐CD@FE@HMS, LOI value of EP was increased to 27.5% from 19.8%, and UL‐94 reached V‐1 rating. Comparing with pure EP, the peak heat release rate and total heat release values of EP were reduced by 11.0% and 12.3%, respectively, and the total smoke production was reduced by 30.6%. EP/β‐CD@FE@HMS composite formed a higher quality char layer. Therefore, β‐CD@FE@HMS microspheres could improve the fire safety of EP. </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> 为了改善环氧树脂（EP）的阻燃性，通过自组装方法成功地制备了β-环糊精@中空介孔二氧化硅微球（β-CD @ Fe @ HMS）。然后，它们被用作阻燃剂以改善EP的火灾安全性。 EP /β-CD @ Fe和EP / HMS复合材料也用于比较研究。结果表明，β-CD @ Fe @ Fe @ HMS可以有效地提高EP的热稳定性，其中初始降解温度和EP的炭残渣量增加。通过EP复合材料燃烧产生的小分子有毒气体的含量显然也降低了。随着5wt％β-CD @ Fe @ Fe @ HMS，LOI值从19.8％增加到27.5％，UL-94达到V-1等级。与纯EP相比，EP的峰值热释放率和总热释放值分别降低11.0％和12.3％，总烟雾产量减少了30.6％。 EP /β-CD @ Fe @ HMS复合材料形成更高的质量炭层。因此，β-CD @ Fe @ HMS微球可以提高EP的火灾安全性。</ 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-29566/'>《Polymer Composites》</a> <b style="margin: 0 2px;">|</b><span>2020年第5期</span><b style="margin: 0 2px;">|</b><span>共12页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> </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"> </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/7852.html" title="增强塑料、填充塑料">增强塑料、填充塑料;</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=composites&option=203" rel="nofollow">composites;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=flame retardance&option=203" rel="nofollow">flame retardance;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=thermal properties&option=203" rel="nofollow">thermal properties;</a> </p> <div class="translation"> 机译：复合材料;阻燃;热性质; </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> 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