PEI/基础创新塑料(美国)/1010
110000元/吨
<p></p><p></p><dl class="lemmaWgt-lemmaTitle lemmaWgt-lemmaTitle-" style="margin-bottom: 10px; width: 700px; font-family: arial, tahoma, " microsoft="" yahei",="" 宋体,="" sans-serif;="" color:="" rgb(51,="" 51,="" 51);="" font-size:="" 12px;"=""><dd class="lemmaWgt-lemmaTitle-title" style="margin-bottom: 5px; line-height: 39px;"><span style="font-size: 14px; text-indent: 2em; font-family: arial, 宋体, sans-serif;">PEI是指</span><a target="_blank" href="https://baike.baidu.com/item/%E8%81%9A%E9%86%9A%E9%85%B0%E4%BA%9A%E8%83%BA/5078834" data-lemmaid="5078834" style="font-size: 14px; text-indent: 2em; font-family: arial, 宋体, sans-serif; color: rgb(19, 110, 194);">聚醚酰亚胺</a><span style="font-size: 14px; text-indent: 2em; font-family: arial, 宋体, sans-serif;">(Polyetherimide)的缩写</span><span class="sup--normal" data-sup="1" data-ctrmap=":1," style="text-indent: 2em; font-family: arial, 宋体, sans-serif; line-height: 0; position: relative; vertical-align: baseline; top: -0.5em; margin-left: 2px; color: rgb(51, 102, 204); cursor: pointer; padding-right: 2px; padding-left: 2px;"> [1]</span><a class="sup-anchor" name="ref_[1]_15342637" style="text-indent: 2em; font-family: arial, 宋体, sans-serif; color: rgb(19, 110, 194); position: relative; top: -50px; font-size: 0px; line-height: 0;"> </a><span style="font-size: 14px; text-indent: 2em; font-family: arial, 宋体, sans-serif;"> </span><span style="font-size: 14px; text-indent: 2em; font-family: arial, 宋体, sans-serif;">,是一种热塑性工程树脂,外观为琥珀色透明固体,不添加任何添加剂就有固有的</span><a target="_blank" href="https://baike.baidu.com/item/%E9%98%BB%E7%87%83%E6%80%A7/2301916" data-lemmaid="2301916" style="font-size: 14px; text-indent: 2em; font-family: arial, 宋体, sans-serif; color: rgb(19, 110, 194);">阻燃性</a><span style="font-size: 14px; text-indent: 2em; font-family: arial, 宋体, sans-serif;">和低烟度,氧指数为47%,燃烧等级为UL94-V-0级,密度为1.28~1.42g/cm</span><span class="normal" style="text-indent: 2em; font-family: arial, 宋体, sans-serif; line-height: 0; position: relative; vertical-align: baseline; top: -0.5em; margin-left: 2px; cursor: default; padding-right: 2px; padding-left: 2px;">3</span><span style="font-size: 14px; text-indent: 2em; font-family: arial, 宋体, sans-serif;">。</span></dd></dl><div class="lemma-summary" label-module="lemmaSummary" style="clear: both; font-size: 14px; overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1; font-family: arial, 宋体, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;"><div class="para" label-module="para" style="font-size: 14px; overflow-wrap: break-word; color: rgb(51, 51, 51); margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1;">PEI具有很强的高温稳定性,即使是非增强型的PEI,仍具有很好的韧性和强度。因此利用PEI优越的热稳定性可用来制作高温耐热器件。具有优良的机械性能、电绝缘性能、耐辐照性能、耐高低温及耐磨性能,并可透过微波。PEI还有良好的<a target="_blank" href="https://baike.baidu.com/item/%E9%98%BB%E7%87%83" style="color: rgb(19, 110, 194); text-decoration: none;">阻燃</a>性、抗化学反应以及电绝缘特性。玻璃化转化温度很高,达215℃。PEI还具有很低的收缩率及良好的等方向机械特性。加入<a target="_blank" href="https://baike.baidu.com/item/%E7%8E%BB%E7%92%83%E7%BA%A4%E7%BB%B4/1667820" data-lemmaid="1667820" style="color: rgb(19, 110, 194); text-decoration: none;">玻璃纤维</a>、碳纤维或其他填料可达到增强改性的目的;也可和其它<a target="_blank" href="https://baike.baidu.com/item/%E5%B7%A5%E7%A8%8B%E5%A1%91%E6%96%99/837572" data-lemmaid="837572" style="color: rgb(19, 110, 194); text-decoration: none;">工程塑料</a>组成耐热高分子合金,可在-160~180℃的工作温度下长期使用。</div></div><p></p><p></p>