摘要
采用高聚合度S— 2 50 0型聚氯乙烯 (PVC)树脂为主要原料 ,加入粉末丁腈橡胶 (NBR— 2 6)、氯化聚乙烯 (CPE)、增塑剂以及其它助剂制备冰箱密封胶条 .介绍了主要改性剂的基本特征及对PVC性能的影响 ,对材料的物理机械性能进行了测试分析 ,试验证明在增塑剂一定的情况下 ,当PVC/CPE/NBR为 1 0 0 /2 0 /1 0 (份数 )时 。
Polymerization PVC(polyvinyl chloride) resin -S-2500 of high degree as main material ,the powder butadiene-acrylonitrile copolymer rubber (NBR-26),choloridize polyethylene (CPE) 、plasticizer and other reagent as additives was used to prepare airproof rubber tape used in refrigerators. The character of main modified reagent and its effects on PVC's properties was introduced .The mechanical properties of materials was tested and analyzed .The result showed: when the plasticizer was changeless and PVC/CPE/NBR is 100/20/10(quotient),the mechanical property of airproof rubber tape was optimal.
关键词
聚氯乙烯
改性
共混
拉伸强度
冰箱密封胶料
Polyvinyl chloride
Modification
Blend
Tensile strength
Rigidity
