ViP彩票平台

  • <tr id='urWb4o'><strong id='urWb4o'></strong><small id='urWb4o'></small><button id='urWb4o'></button><li id='urWb4o'><noscript id='urWb4o'><big id='urWb4o'></big><dt id='urWb4o'></dt></noscript></li></tr><ol id='urWb4o'><option id='urWb4o'><table id='urWb4o'><blockquote id='urWb4o'><tbody id='urWb4o'></tbody></blockquote></table></option></ol><u id='urWb4o'></u><kbd id='urWb4o'><kbd id='urWb4o'></kbd></kbd>

    <code id='urWb4o'><strong id='urWb4o'></strong></code>

    <fieldset id='urWb4o'></fieldset>
          <span id='urWb4o'></span>

              <ins id='urWb4o'></ins>
              <acronym id='urWb4o'><em id='urWb4o'></em><td id='urWb4o'><div id='urWb4o'></div></td></acronym><address id='urWb4o'><big id='urWb4o'><big id='urWb4o'></big><legend id='urWb4o'></legend></big></address>

              <i id='urWb4o'><div id='urWb4o'><ins id='urWb4o'></ins></div></i>
              <i id='urWb4o'></i>
            1. <dl id='urWb4o'></dl>
              1. <blockquote id='urWb4o'><q id='urWb4o'><noscript id='urWb4o'></noscript><dt id='urWb4o'></dt></q></blockquote><noframes id='urWb4o'><i id='urWb4o'></i>
                当前位置:新闻资讯 > 技术资料

                塑料助剂基础知识:光稳定剂在苯乙烯类高聚物的应用

                发布日期:2023/2/13 14:52:26 访问次数:58


                ABS和抗冲击聚苯乙烯等苯乙烯类高聚物对卐于氧化作用都很敏感,这主要是由于其
                分子链中含有丁二烯↑链段。其老化降解作用是从制品的表面开始的,降解的结果会很快
                导致冲击强度等力学性能的丧失。由于目前尚未找到有效的光稳定剂,因此 ABS至今
                还不能大规模地用于户外制品。

                工作时间:

                联系人:黄经理

                联系电话:13868332170

                13868332170