以下是polyester与polyethylene的用法辨析:
1. 词源与构词:
- polyester(聚酯):源自poly(多)+ ester(酯),指分子中含酯键的高分子化合物
- polyethylene(聚乙烯):源自poly(多)+ ethylene(乙烯),特指由乙烯单体聚合而成的聚合物
2. 化学结构差异:
- polyester:主链含酯基(-COO-)的聚合物,如PET(聚对苯二甲酸乙二醇酯)
- polyethylene:单纯由-CH2-单元组成的碳氢链,结构式为-(CH2-CH2)n-
3. 典型应用领域:
polyester:
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网络相关图 polyester polyethylene
组词比对 polyester polyethylene
Polyester Resins
不饱和多元酯类树脂
polyethylene films for packaging
包装用聚乙烯薄膜
polyester cutting film
红膜
Polyethylene blown film for packaging
包装用聚乙烯吹塑薄膜
polyester laminating resin
层合用聚酯树脂
polyethylene diphthalate condenser
苯二甲酸聚乙烯介质电容器
modified branched polyethylene
变性支链聚乙烯
modified linear polyethylene
变性直链聚乙烯
polyester pongee rip-stop
春亚纺格子
thin walled polyethylene catheter
薄壁聚乙烯导管
polyester textured fabric
纯涤纶仿毛织物
nonradiopaque polyethylene tube
不透X线聚乙烯管
polyester fancy suiting
纯涤纶花呢
color coded polyethylene cable
彩色编码聚乙烯电缆
polyester interlock jacquard
纯涤纶双面提花布
ultra-low density polyethylene
超低密度聚乙烯
polyester polynosic blended yarn
涤虎混纺纱
supramolecular polyethylene
超分子聚乙烯