<p>越泰材料提供≦LDPELD051LQⅷ</p><divclass="sonConBox"style="margin:0px;padding:0px;color:rgb(51,51,51);text-transform:none;text-indent:0px;letter-spacing:normal;font-family:arial,sans-serif;font-size:14px;font-style:normal;font-weight:400;word-spacing:0px;white-space:normal;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"><divclass="h2_content"style="margin:0px;padding:0px;"><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;"><astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/5714735-ml"target="_blank">低密度聚乙烯</a>(Lowdensitypolyethylene，简称LDPE)通常是以乙烯为单体，在98.0~294MPa的高压下，用氧或<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/5967915-ml"target="_blank">有机过氧化物</a>为引发剂，经聚合所得的聚合物，密度为0.910~0.9259/cm3.<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/1468450-ml"target="_blank">中密度聚乙烯</a>(<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/7098626-ml"target="_blank">MDPE</a>)密度为0.926~0.9409/cm3;甚低密度聚乙烯(VLDPE)密度在0.910g/cm3以下。</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">线性低密度聚乙烯(英文:LinearLowDensityPolyethylene简称:LLDPE)，线性低密度聚乙烯(LLDPE)，是<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/1002011-ml"target="_blank">乙烯</a>与少量高级<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/6928495-ml"target="_blank">α-烯烃</a>(如<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/2388616-ml"target="_blank">丁烯</a>-1、己烯-1、辛烯-1、四甲基<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/7033370-ml"target="_blank">戊烯</a>-1等)在催化剂作用下，经高压或<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/391234-ml"target="_blank">低压聚合</a>而成的一种<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/6347063-ml"target="_blank">共聚物</a>，密度处于0.915~0.9<span>&nbsp;</span><astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/5714735-ml"target="_blank">低密度聚乙烯</a>应用40克/立方厘米之间。</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">但按ASTM的D-1248-84规定，0.926~0.940克/立方厘米的密度范围属<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/1468450-ml"target="_blank">中密度聚乙烯</a>(<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/7098626-ml"target="_blank">MDPE</a>)。新一代LLDPE将其密度扩大至塑性体(0.890~0.915克/立方厘米)和弹性体(&lt;0.890克/立方厘米)。但美国塑料工业协会(SPI)和美国塑料工业委员会(APC)只将LLDPE的范围扩大至塑性体，不包括弹性体。上世纪80年代，UnionCarbide和DowChemical公司将其早期销售的塑性体和弹性体称之为非常低密度的聚乙烯(VLDPE)和超低密度聚乙烯(ULDPE)<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/703586-ml"target="_blank">树脂</a>。</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">常规LLDPE的分子结构以其线性主链为特征，只有少量或没有<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/1524260-ml"target="_blank">长支链</a>，但包含一些短<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/1524188-ml"target="_blank">支链</a>。没有长支链使聚合物的结晶性较高。</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">通常，LLDPE树脂用密度和熔体指数来表征。密度由聚合物链中共聚单体的浓度决定。共聚单体的浓度决定了聚合物中的短支链量。短支链的长度则取决于共聚单体的类型。共聚单体浓度越高，树脂的密度越低。此外，熔体指数是树脂<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/1557456-ml"target="_blank">平均分子量</a>的反映，主要由反应温度(溶液法)和加入<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/2422945-ml"target="_blank">链转移剂</a>(气相法)来决定。平均分子量与<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/6587924-ml"target="_blank">分子量分布</a>无关，后者主要受催化剂类型影响。</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">LLDPE在20世纪70年代由UnionCarbide公司工业化，它代表了聚乙烯催化剂和工艺技术的重大变革，使聚乙烯的产品范围显著扩大。LLDPE用配位催化剂代替<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/2219507-ml"target="_blank">自由基引发剂</a>，以及用较低成本的低压<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/391392-ml"target="_blank">气相聚合</a>取代成本较高的<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/158443-ml"target="_blank">高压反应器</a>，在比较短的时间内，便以其优异的性能和较低的成本，在许多领域已替代了LDPE。目前LLDPE几乎渗透到所有的传统聚乙烯市场，包括薄膜、模塑、管材和电线电缆。</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">LLDPE产品无毒、无味、无臭，呈白色颗粒。与LDPE相比具有强度高、韧性好、刚性强、耐热、耐寒等优点，还具有良好的耐环境应力开裂、耐撕裂强度等性能，并可耐酸、碱、等。</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">2005年，我国LLDPE产量为188万吨，约占PE总产量的35.5%;消费量355万吨，约占PE总消费量的33.8%。预计未来2~3年内，LLDPE消费量将保持8%左右的速度继续增长。按照当前市场价格12000元/吨计算，我国LLDPE的市场规模已经超过了400亿元。</p></div></div><h2style='margin:35px0px15px-30px;padding:0px;color:rgb(0,0,0);text-transform:none;line-height:22px;text-indent:20px;letter-spacing:normal;clear:both;font-family:"microsoftyahei";font-size:22px;font-style:normal;font-weight:500;word-spacing:0px;border-left-color:rgb(55,171,47);border-left-width:10px;border-left-style:solid;white-space:normal;position:relative;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;'><aname="5566725-5781842-2"style="margin:0px;padding:0px;top:-10px;color:rgb(19,110,194);text-decoration:none;position:absolute;"></a><aclass="conArrow"style='background:url("https://p.ssl./t012b40d58f262241ac.png")no-repeat0px0px;margin:0px;padding:0px;width:20px;height:20px;color:transparent;font-size:0px;text-decoration:none;float:right;display:inline;text-shadow:none;'href="https://.com/doc/5566725-ml#"data-logid="h2-title">折叠</a><spanclass="optjs-edittext"style="margin:0px6px0px0px;padding:0px7px0px0px;font-family:simsun;font-size:12px;border-right-color:rgb(217,217,217);border-right-width:1px;border-right-style:solid;float:right;"><aclass="edit"style="margin:0px;padding:0px;color:rgb(49,152,24);text-decoration:none;"href="https://.com/create/edit/?eid=5566725&amp;sid=5781842&amp;secid=2"data-log="edit-title"><iclass="ico"style='background-position:0px-40px;margin:0px;padding:0px;width:16px;height:16px;font-style:italic;vertical-align:-5px;display:inline-block;background-image:url("https://p.ssl./t01c067b7271a91a2e3.png");background-repeat:no-repeat;'></i>编辑本段</a></span><bclass="title"style='margin:0px;padding:0px;color:rgb(0,0,0);line-height:24px;font-family:"microsoftyahei",Arial,Helvetica,sans-serif;font-size:22px;font-weight:500;float:left;-ms-zoom:1;'>性能</b></h2><divclass="sonConBox"style="margin:0px;padding:0px;color:rgb(51,51,51);text-transform:none;text-indent:0px;letter-spacing:normal;font-family:arial,sans-serif;font-size:14px;font-style:normal;font-weight:400;word-spacing:0px;white-space:normal;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"><divclass="h2_content"style="margin:0px;padding:0px;"><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;"><astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/5714735-ml"target="_blank">低密度聚乙烯</a>分子链上有长短<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/1524188-ml"target="_blank">支链</a>。<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/365047-ml"target="_blank">结晶度</a>较低，分子量一般5~50万，它是</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">一种白色呈半透明的蜡状固体树脂，无毒。<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/5925025-ml"target="_blank">软化点</a>较低，超过软化点即熔融，其</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">热熔接性、成型加工性能很好，柔软性良好，抗冲击韧性、耐低温性很好，可在</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">-60℃~-80℃下工作，<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/7610032-ml"target="_blank">电绝缘性</a>优秀(尤其是高频<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/103883-ml"target="_blank">绝缘性</a>)，LDPE的<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/6828111-ml"target="_blank">机械强度</a></p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">较差，<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/506552-ml"target="_blank">耐热性</a>不高，抗<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/2176129-ml"target="_blank">环境应力开裂</a>性、<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/4086285-ml"target="_blank">粘附性</a>、粘合性、印刷性差，需经表面处</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">理，如化学侵蚀、<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/4252645-ml"target="_blank">电晕</a>等处理后方可改进其粘合性、印刷性。吸水性很低，几乎不</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">吸水，<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/957351-ml"target="_blank">化学稳定性</a>优秀，如对酸、碱、盐、都较稳定。对CO2、有机性臭</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">气渗透性大，但对<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/6019549-ml"target="_blank">水蒸汽</a>、空气的渗透性差。易燃烧，燃烧时有似石蜡昧;在日光</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">和热作用下容易老化降解而变色，由白转黄转褐色，最终呈黑色，且性能下降或龟</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">裂，若加入一定量的抗氧剂、<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/2800783-ml"target="_blank">紫外线吸收剂</a>等可改善性能、在化学交联剂或高能辐</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">照下交联，可提高<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/5925025-ml"target="_blank">软化点</a>、耐温性、刚度、<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/1556549-ml"target="_blank">耐溶剂性</a>等。</p></div></div><h2style='margin:35px0px15px-30px;padding:0px;color:rgb(0,0,0);text-transform:none;line-height:22px;text-indent:20px;letter-spacing:normal;clear:both;font-family:"microsoftyahei";font-size:22px;font-style:normal;font-weight:500;word-spacing:0px;border-left-color:rgb(55,171,47);border-left-width:10px;border-left-style:solid;white-space:normal;position:relative;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;'><aname="5566725-5781842-3"style="margin:0px;padding:0px;top:-10px;color:rgb(19,110,194);text-decoration:none;position:absolute;"></a><aclass="conArrow"style='background:url("https://p.ssl./t012b40d58f262241ac.png")no-repeat0px0px;margin:0px;padding:0px;width:20px;height:20px;color:transparent;font-size:0px;text-decoration:none;float:right;display:inline;text-shadow:none;'href="https://.com/doc/5566725-ml#"data-logid="h2-title">折叠</a><spanclass="optjs-edittext"style="margin:0px6px0px0px;padding:0px7px0px0px;font-family:simsun;font-size:12px;border-right-color:rgb(217,217,217);border-right-width:1px;border-right-style:solid;float:right;"><aclass="edit"style="margin:0px;padding:0px;color:rgb(49,152,24);text-decoration:none;"href="https://.com/create/edit/?eid=5566725&amp;sid=5781842&amp;secid=3"data-log="edit-title"><iclass="ico"style='background-position:0px-40px;margin:0px;padding:0px;width:16px;height:16px;font-style:italic;vertical-align:-5px;display:inline-block;background-image:url("https://p.ssl./t01c067b7271a91a2e3.png");background-repeat:no-repeat;'></i>编辑本段</a></span><bclass="title"style='margin:0px;padding:0px;color:rgb(0,0,0);line-height:24px;font-family:"microsoftyahei",Arial,Helvetica,sans-serif;font-size:22px;font-weight:500;float:left;-ms-zoom:1;'>用途</b></h2><divclass="sonConBox"style="margin:0px;padding:0px;color:rgb(51,51,51);text-transform:none;text-indent:0px;letter-spacing:normal;font-family:arial,sans-serif;font-size:14px;font-style:normal;font-weight:400;word-spacing:0px;white-space:normal;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"><divclass="h2_content"style="margin:0px;padding:0px;"><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;"><astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/5714735-ml"target="_blank">低密度聚乙烯</a>(LDPE)适合<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/467323-ml"target="_blank">热塑性</a>成型加工的各种成型工艺.成型加工性好，</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">如<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/5514224-ml"target="_blank">注塑</a>、<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/6924601-ml"target="_blank">挤塑</a>、<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/6305621-ml"target="_blank">吹塑</a>、<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/23819626-ml"target="_blank">旋转成型</a>、涂覆、发泡工艺、热成型、热风焊、热焊接等。</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">LDPE主要用途是作薄膜产品，如农业用薄膜、地面覆盖薄膜、农膜、蔬菜大</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">棚膜等;包装用膜如糖果、蔬菜、冷冻食品等包装;液体包装用吹塑薄膜(牛奶、</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">酱油、果汁。豆腐、豆奶);重包装袋，收缩包装薄膜，弹性薄膜，内衬薄膜;建</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">筑用薄膜，一般工业包装薄膜和食品袋等。</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">LDPE还用于注塑制品，如小型容器、盖子、日用制品、塑料花、注塑一拉伸一吹</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">塑容器。医疗器具，药品和<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/3783166-ml"target="_blank">食品包装材料</a>、<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/6924601-ml"target="_blank">挤塑</a>的管材、<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/4765110-ml"target="_blank">板材</a>，<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/5579845-ml"target="_blank">电线电缆</a>包覆，异</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">型材、热成型等制品;<astyle="margin:0px;padding:0px;color:rgb(19,110,194);text-decoration:none;"href="https://.com/doc/6305621-ml"target="_blank">吹塑</a>中空成型制品，如食品容器有奶制品和果酱类，药物、</p><pstyle="margin:0px0px15px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:2em;-ms-zoom:1;">化妆品、化工产品容器、槽罐等。</p></div></div><h2style='margin:35px0px15px-30px;padding:0px;color:rgb(0,0,0);text-transform:none;line-height:22px;text-indent:20px;letter-spacing:normal;clear:both;font-family:"microsoftyahei";font-size:22px;font-style:normal;font-weight:500;word-spacing:0px;border-left-color:rgb(55,171,47);border-left-width:10px;border-left-style:solid;white-space:normal;position:relative;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;'><aname="5566725-5781842-4"style="margin:0px;padding:0px;top:-10px;color:rgb(19,110,194);text-decoration:none;position:absolute;"></a><aclass="conArrow"style='background:url("https://p.ssl./t012b40d58f262241ac.png")no-repeat0px0px;margin:0px;padding:0px;width:20px;height:20px;color:transparent;font-size:0px;text-decoration:none;float:right;display:inline;text-shadow:none;'href="https://.com/doc/5566725-ml#"data-logid="h2-title">折叠</a><spanclass="optjs-edittext"style="margin:0px6px0px0px;padding:0px7px0px0px;font-family:simsun;font-size:12px;border-right-color:rgb(217,217,217);border-right-width:1px;border-right-style:solid;float:right;"><aclass="edit"style="margin:0px;padding:0px;color:rgb(49,152,24);text-decoration:none;"href="https://.com/create/edit/?eid=5566725&amp;sid=5781842&amp;secid=4"data-log="edit-title"><iclass="ico"style='background-position:0px-40px;margin:0px;padding:0px;width:16px;height:16px;font-style:italic;vertical-align:-5px;display:inline-block;background-image:url("https://p.ssl./t01c067b7271a91a2e3.png");background-repeat:no-repeat;'></i>编辑本段</a></span><bclass="title"style='margin:0px;padding:0px;color:rgb(0,0,0);line-height:24px;font-family:"microsoftyahei",Arial,Helvetica,sans-serif;font-size:22px;font-weight:500;float:left;-ms-zoom:1;'>LDPE物性表</b></h2><divclass="sonConBox"style="margin:0px;padding:0px;color:rgb(51,51,51);text-transform:none;text-indent:0px;letter-spacing:normal;font-family:arial,sans-serif;font-size:14px;font-style:normal;font-weight:400;word-spacing:0px;white-space:normal;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"><divclass="h2_content"style="margin:0px;padding:0px;"><tablestyle="margin:5px0px;padding:0px;border:1pxsolidrgb(223,223,223);border-image:none;width:806px;color:rgb(102,102,102);border-collapse:collapse;-ms-word-break:break-all;-ms-word-wrap:break-word;border-spacing:0px;"><tbodystyle="margin:0px;padding:0px;"><trstyle="margin:0px;padding:0px;"><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(223,223,223)currentColorcurrentColorrgb(223,223,223);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">ExxonMobilAESLDPELD319.92物性表</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">物理性能额定值</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">单位制</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">测试方法</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">密度</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">0.930</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">g/cm3</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">ASTMD1505熔流率(190°C/2.16kg)</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">2.0</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">g/10min</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">ASTMD1238醋酸乙烯含量</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">8.7</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">wt%</p><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">ExxonMobilMethod</p></td></tr></tbody></table><tablestyle="margin:5px0px;padding:0px;border:1pxsolidrgb(223,223,223);border-image:none;width:806px;color:rgb(102,102,102);border-collapse:collapse;-ms-word-break:break-all;-ms-word-wrap:break-word;border-spacing:0px;"><tbodystyle="margin:0px;padding:0px;"><trstyle="margin:0px;padding:0px;"><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(223,223,223)currentColorcurrentColorrgb(223,223,223);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">机械性能</p></td><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(223,223,223)currentColorcurrentColorrgb(233,233,233);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">额定值</p></td><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(223,223,223)currentColorcurrentColorrgb(233,233,233);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">单位制</p></td><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(223,223,223)currentColorcurrentColorrgb(233,233,233);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">测试方法<aname="refer_5566725-5781842-14262012"class="reference_sup"style="margin:0px0px0px2px;padding:0px2px;top:-0.5em;color:rgb(51,102,204);font-size:12px;text-decoration:none;vertical-align:baseline;white-space:nowrap;position:relative;cursor:pointer;"href="https://.com/doc/5566725-ml#refff_5566725-5781842-1">[1]</a></p></td></tr><trstyle="margin:0px;padding:0px;"><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(233,233,233)currentColorcurrentColorrgb(223,223,223);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">拉伸模量</p></td><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(233,233,233)currentColorcurrentColorrgb(233,233,233);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">14500</p></td><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(233,233,233)currentColorcurrentColorrgb(233,233,233);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">psi</p></td><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(233,233,233)currentColorcurrentColorrgb(233,233,233);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">ISO527-2/1A/1</p></td></tr><trstyle="margin:0px;padding:0px;"><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(233,233,233)currentColorcurrentColorrgb(223,223,223);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">拉伸应力(断裂)</p></td><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(233,233,233)currentColorcurrentColorrgb(233,233,233);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">870</p></td><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(233,233,233)currentColorcurrentColorrgb(233,233,233);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">psi</p></td><tdstyle="border-width:1pxmediummedium1px;border-style:solidnonenonesolid;border-color:rgb(233,233,233)currentColorcurrentColorrgb(233,233,233);margin:0px;padding:2px6px;text-align:left;color:rgb(51,51,51);line-height:24px;font-size:12px;-ms-word-wrap:break-word;"><pstyle="margin:0px;padding:0px;color:rgb(51,51,51);line-height:24px;text-indent:0px;-ms-zoom:1;">ISO527-2/1A/50</p></td></tr></tbody></table></div></div><divclass="lemma-summary"style="color:rgb(51,51,51);text-transform:none;line-height:24px;text-indent:2em;letter-spacing:normal;clear:both;font-family:arial,宋体,sans-serif;font-size:14px;font-style:normal;font-weight:400;margin-bottom:15px;word-spacing:0px;white-space:normal;-ms-zoom:1;-ms-word-wrap:break-word;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"label-module="lemmaSummary"><divclass="para"style="color:rgb(51,51,51);line-height:24px;text-indent:2em;font-size:14px;margin-bottom:15px;-ms-zoom:1;-ms-word-wrap:break-word;"label-module="para">典型用途包括：聚合物改性、热熔性粘合剂和密封剂、挠性软管和普通管子，层压片材、多层薄膜、注塑和挤压零件以及电线和电缆混合料。</div></div><divclass="lemma-summary"style="color:rgb(51,51,51);text-transform:none;line-height:24px;text-indent:2em;letter-spacing:normal;clear:both;font-family:arial,宋体,sans-serif;font-size:14px;font-style:normal;font-weight:400;margin-bottom:15px;word-spacing:0px;white-space:normal;-ms-zoom:1;-ms-word-wrap:break-word;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"label-module="lemmaSummary"><divclass="para"style="color:rgb(51,51,51);line-height:24px;text-indent:2em;font-size:14px;margin-bottom:15px;-ms-zoom:1;-ms-word-wrap:break-word;"label-module="para"><spanclass="view-tip-panel"style="margin:-5px0px10px;color:rgb(136,136,136);text-transform:none;line-height:18px;text-indent:0px;letter-spacing:normal;font-family:SimSun;font-size:12px;font-style:normal;font-weight:400;word-spacing:0px;display:block;white-space:normal;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"><divclass="lemma-summary"style="color:rgb(51,51,51);text-transform:none;line-height:24px;text-indent:2em;letter-spacing:normal;clear:both;font-family:arial,宋体,sans-serif;font-size:14px;font-style:normal;font-weight:400;margin-bottom:15px;word-spacing:0px;white-space:normal;-ms-zoom:1;-ms-word-wrap:break-word;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"label-module="lemmaSummary"><divclass="para"style="color:rgb(51,51,51);line-height:24px;text-indent:2em;font-size:14px;margin-bottom:15px;-ms-zoom:1;-ms-word-wrap:break-word;"label-module="para"><divclass="lemma-summary"style="color:rgb(51,51,51);text-transform:none;line-height:24px;text-indent:2em;letter-spacing:normal;clear:both;font-family:arial,宋体,sans-serif;font-size:14px;font-style:normal;font-weight:400;margin-bottom:15px;word-spacing:0px;white-space:normal;-ms-zoom:1;-ms-word-wrap:break-word;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"label-module="lemmaSummary"><divclass="para-titlelevel-3"style='margin:20px0px12px;color:rgb(51,51,51);text-transform:none;line-height:20px;text-indent:0px;letter-spacing:normal;clear:both;font-family:"MicrosoftYaHei",SimHei,Verdana;font-size:18px;font-style:normal;font-weight:400;word-spacing:0px;white-space:normal;-ms-zoom:1;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;'label-module="para-title"><h3class="title-text"style="margin:0px;padding:0px;color:rgb(51,51,51);font-size:18px;font-weight:400;"><divclass="para"style="color:rgb(51,51,51);text-transform:none;line-height:24px;text-indent:2em;letter-spacing:normal;font-family:arial,宋体,sans-serif;font-size:14px;font-style:normal;font-weight:400;margin-bottom:15px;word-spacing:0px;white-space:normal;-ms-zoom:1;-ms-word-wrap:break-word;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"label-module="para">EEA共聚物能与所有的烯烃聚合物相容，如：VLDPE、LDPE。<astyle="color:rgb(19,110,194);text-decoration:none;"href="https:///item/LLDPE"target="_blank">LLDPE</a>、HDPE和聚丙烯等。EEA与其它聚烯烃混配在一起，一般用来生产一种模量能达到专门要求的，又保留了所想要的EEA特性的产品。高模量聚合物如聚下难、酰胺和<astyle="color:rgb(19,110,194);text-decoration:none;"href="https:///item/%E8%81%9A%E9%85%AF"target="_blank">聚酯</a>，添加了EEA共聚物后，抗冲击性能显著提高。EEA共聚物也用来生产热熔性粘合剂类产品，比乙烯共聚物有更宽的使用温度范围。EEA热熔性粘合剂有一些独特的综合性能，包括：很高的剪切破坏温度和低温韧度；以及对非极性基质有优良的粘合力。在薄膜应用领域，EEA共聚物被用作多层薄膜的连结层，并用于和其它聚合物混配以改进低温韧度和抗应力断裂性能。EEA共聚物对填料有很高的容纳量，以EEA和炭黑为原料的<astyle="color:rgb(19,110,194);text-decoration:none;"href="https:///item/%E5%8D%8A%E5%AF%BC%E4%BD%93"target="_blank">半导体</a>薄膜及<astyle="color:rgb(19,110,194);text-decoration:none;"href="https:///item/%E7%AE%A1%E6%9D%90"target="_blank">管材</a>被制成微型芯片的包装材料、甘油袋，以及多种医院方面的防静电用途。FDA规定，接触食品的EEA共聚物中EA含量不能超过8%，然而，较高EA含量的共聚物可以与其它烯烃聚合物掺合，从而使混合料中的EA含量低于8%，满足FDA的规定。而同时，混合料还必须满足FDA中177·1520条款对聚烯烃浸取物的。</div></h3></div></div><divclass="para"style="color:rgb(51,51,51);text-transform:none;line-height:24px;text-indent:2em;letter-spacing:normal;font-family:arial,宋体,sans-serif;font-size:14px;font-style:normal;font-weight:400;margin-bottom:15px;word-spacing:0px;white-space:normal;-ms-zoom:1;-ms-word-wrap:break-word;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"label-module="para"><br></div><divclass="anchor-list"style="color:rgb(51,51,51);text-transform:none;text-indent:0px;letter-spacing:normal;font-family:arial,宋体,sans-serif;font-size:12px;font-style:normal;font-weight:400;word-spacing:0px;white-space:normal;position:relative;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"><aname="1_4"class="lemma-anchorpara-title"style="top:-50px;color:rgb(19,110,194);text-decoration:none;position:absolute;"></a><aname="sub13751345_1_4"class="lemma-anchor"style="top:-50px;color:rgb(19,110,194);text-decoration:none;position:absolute;"></a><aname="环境性能"class="lemma-anchor"style="top:-50px;color:rgb(19,110,194);text-decoration:none;position:absolute;"></a><aname="1-4"class="lemma-anchor"style="top:-50px;color:rgb(19,110,194);text-decoration:none;position:absolute;"></a></div><divclass="para-titlelevel-3"style='margin:20px0px12px;color:rgb(51,51,51);text-transform:none;line-height:20px;text-indent:0px;letter-spacing:normal;clear:both;font-family:"MicrosoftYaHei",SimHei,Verdana;font-size:18px;font-style:normal;font-weight:400;word-spacing:0px;white-space:normal;-ms-zoom:1;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;'label-module="para-title"><h3class="title-text"style="margin:0px;padding:0px;color:rgb(51,51,51);font-size:18px;font-weight:400;"><br></h3></div></div></div><divclass="anchor-list"style="color:rgb(51,51,51);text-transform:none;text-indent:0px;letter-spacing:normal;font-family:arial,宋体,sans-serif;font-size:12px;font-style:normal;font-weight:400;word-spacing:0px;white-space:normal;position:relative;orphans:2;widows:2;background-color:rgb(255,255,255);font-variant-ligatures:normal;font-variant-caps:normal;-webkit-text-stroke-width:0px;text-decoration-style:initial;text-decoration-color:initial;"><aname="3"class="lemma-anchorpara-title"style="top:-50px;color:rgb(19,110,194);text-decoration:none;position:absolute;"></a><aname="sub591731_3"class="lemma-anchor"style="top:-50px;color:rgb(19,110,194);text-decoration:none;position:absolute;"></a><aname="历史"class="lemma-anchor"style="top:-50px;color:rgb(19,110,194);text-decoration:none;position:absolute;"></a></div><divclass="para"style="color:rgb(51,51,51);text-transform:none;line-height:24px;text-indent:2em;letter-spacing:normal;font-family:arial,宋体,sans-serif;font-size:14px;font-style:normal;font-weight:400;margin-bottom:15px;word-spacing:0px;white-space:normal;-ms-zoom:1;-ms-word-wrap:break-word;orphans:2;widows:2;background-color:rgb(255,255,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