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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <h1 class="e_title e_head-002 d_Title p_Title_1"><p>DY-V421乙烯基硅油（直、支链型（�/p></h1><p><br/></p><p><strong>[</strong><strong><span style="text-decoration:underline;">性能特点</span></strong><strong>]</strong></p><p> DY-V421乙烯基硅油（直、支链型）是分子链两端及中间均带有乙烯基的甲基乙烯基聚硅氧烷，其分子结构式如下：</p><p> (CH2=CH)(CH3)2SiO[(CH3)2SiO]m[(CH2=CH)(CH3)SiO]nSi(CH3)2(CH2=CH)</p><p> 分子量的大小可以根据用户的需要来控制确定。本品的分子量与乙烯基含量无关联性，即分子量与乙烯基含量自由配置。本品除具有甲基硅油的普遍性能（如：滑爽性、柔软性、光亮性、耐温耐候性等等）之外，还具有如下特性：</p><p>1、分子链上的乙烯基具有良好的反应活性，可以参与多种化学反应，如：加成反应、自由基反应等；</p><p> </p><p> 2、因含有乙烯基，所以本品与甲基硅油相比，与某些有机材料具有更好的相容性、�/p><p><strong>[</strong><strong><span style="text-decoration:underline;">技术指栆�/span></strong><strong>]</strong></p><table width="100%" cellspacing="1" cellpadding="1" bgcolor="#000000"><tbody><tr class="firstRow"><td height="33" bgcolor="#ffffff"><p style="text-align:center;"> � 见�/p></td><td colspan="3" height="33" bgcolor="#ffffff"><p style="text-align:center;"> 无色或淡黄色透明液体</p></td></tr><tr><td height="33" bgcolor="#ffffff"><p style="text-align:center;"> 粘度�?5℃，CP（�/p></td><td height="33" bgcolor="#ffffff"><p style="text-align:center;"> 190</p></td><td height="33" bgcolor="#ffffff"><p style="text-align:center;"> 1200</p></td><td rowspan="3" height="33" bgcolor="#ffffff"><p style="text-align:center;"> 可根据用户要求加工特殊规栻�/p></td></tr><tr><td height="33" bgcolor="#ffffff"><p style="text-align:center;"> 乙烯基含�?（W/W（�/p></td><td height="33" bgcolor="#ffffff"><p style="text-align:center;"> 3.85</p></td><td height="33" bgcolor="#ffffff"><p style="text-align:center;"> 4.7</p></td></tr><tr><td height="33" bgcolor="#ffffff"><p style="text-align:center;"> 乙烯基含量mol/100g</p></td><td height="33" bgcolor="#ffffff"><p style="text-align:center;"> 0.052</p></td><td height="33" bgcolor="#ffffff"><p style="text-align:center;"> 0.0635</p></td></tr></tbody></table><p><strong>[</strong><strong><span style="text-decoration:underline;">用逓�/span></strong><strong>]</strong></p><p> 1、作大分子、高粘度110�?硅橡胶的增硬剂，及硫化前的稀释剂：�/p><p> 2、作某些有机材料如丙烯酸树脂、醋酸乙烯树脂的改性剂：�/p><p> 3、用于制作高温硫化型硅橡胶，或制作中温硫化硅橡胶及硅凝胶等；</p><p> 4、其他未尽和待开发的应用、�/p><p><strong>[</strong><strong><span style="text-decoration:underline;">用法用量</span></strong><strong>]</strong></p><p> 用作稀释剂时用�?0�?0％，用作改性剂时添加量5�?0％，用作硅橡胶基胶时用量50�?00％。直接加入或借助高速搅拌或强力搅拌设备加入体系中以保证分散均匀、�/p><p><strong>[</strong><strong><span style="text-decoration:underline;">注意事项</span></strong><strong>]</strong><strong><span style="text-decoration:underline;"> </span></strong></p><p> 本品是具有化学活泼性的材料,在贮运过程中不得混入杂质（特别是催化剂），在使用或配伍时，应注意其他物料能否引发其化学反应，以防变性、�/p><p><strong>[</strong><strong><span style="text-decoration:underline;">包装贮存</span></strong><strong>]</strong></p><p> 包装：本品为50kg�?00kg塑料桶包装、�/p><p> 贮存：于常温下密闭贮存于干燥通风阴凉处，不得近火源，避免日光曝晒，避免混入杂质（牸�/p><p> 别是催化剂、酸碱类物质）、�/p><p> 运输：按非危险品贮运、�/p><p><br/><br/></p><p><br/></p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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