PB/Polybutene-1 PB 8220M/LyondellBasell Industries 物性表
PB/Polybutene-1 PB 8220M/LyondellBasell Industries
规格用途
该料用途 | Flexible Packaging; 小袋 - 软包装; 硬包装; 离型薄膜; 薄膜; 袋子 |
备注说明 | Polybutene-1 (PB-1) grade Toppyl PB 8220M is a random copolymer of butene-1 with medium ethylene content.This grade is highly compatible with polypropylene due to its similar molecular structure, and it is used to modify the sealing behavior of PP based films: a typical example is its use to reduce the seal initiation temperature of BOPP sealing layers.The relatively slow kinetics of crystallization allow an excellent wetting behavior.Toppyl PB 8220M highly shear-sensitive flow behavior means that it remains easily dispersible also in even more incompatible polymers like thermoplastic elastomers.Toppyl PB 8220M can also be used in seal-peel application. Compared with Toppyl PB 8640M or Toppyl PB 8340M, in blown film seal-peel Toppyl PB 8220M provides better optical properties (haze and clarity) but with narrow sealing window. |
技术参数
性能项目 | 测试条件 | 测试方法 | 数值/描述 | 单位 | |
物理性能 | 密度 | ISO 1183 | .위 | g/cm³ | 熔流率(熔体流动速率) | ISO 1133 | 190°C/10.0 kg | 뚗 | g/10 min | 190°C/2.16 kg | 롤.좓 | g/10 min | 230°C/2.16 kg | 렗.좓 | g/10 min |
挤出 | 熔体温度 | 위좓 到 롤롤 | °C | ||
机械性能 | 拉伸应力 | ISO 8986-2 | 断裂 | 텉롤. | MPa | 拉伸应变 | ISO 8986-2 | 断裂 | 텉 | % | 弯曲模量 2 | ISO 178 | 위 | MPa |
热性能 | 结晶峰温 | ISO 11357-3 | -- 3 | 둘좓 | °C | -- 4 | 렗 | °C |
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