427772

聚乙烯

average M_w ~4,000 by GPC, average M_n ~1,700 by GPC

• Synonym(s): PE
• Linear Formula: H(CH₂CH₂)_nH
• CAS Number: 9002-88-4
• MDL编号: MFCD00084423
• PubChem化学物质编号: 24866779
• NACRES: NA.23

Properties

• 形式: powder
• 质量水平: 100
• 分子量: average M_n ~1,700 by GPC; average M_w ~4,000 by GPC
• 粘度: 1.5 poise(25 °C, Brookfield Thermosel)(lit.)
• mp: 92 °C
• 酸值: <0.05 mg KOH/g
• 转变温度: softening point 106 °C (ring and ball)
• 密度: 0.92 g/mL at 25 °C
• InChI: 1S/C2H4/c1-2/h1-2H2
• InChI key: VGGSQFUCUMXWEO-UHFFFAOYSA-N

Description

应用

脱模添加剂是橡胶加工过程的润滑剂、PVC的挤出和压延助剂以及颜色母料的分散助剂。PEG-4000可用作蛋白质分级和病毒沉淀过程中的沉淀剂。不同分子量的PEG对哺乳动物细胞杂交的影响。

包装

250 g in poly bottle

1 kg in poly bottle

特点和优势

低分子量，低粘度，易于加工。

Safety Information

• 储存分类代码: 13 - Non Combustible Solids
• WGK: WGK 3
• 闪点(F): Not applicable
• 闪点(C): Not applicable
• 个人防护装备: Eyeshields, Gloves, type N95 (US)