端羟基聚丁二烯 (CAS No.69102-90-5)
- 物化性质
- 浅黄色至琥珀色黏稠液体。密度约0.90～0.92 g/cm³，闪点约180～220°C，玻璃化转变温度约-70°C。不溶于水，溶于苯、甲苯、环己烷等有机溶剂。耐水解、耐酸碱，具有良好的低温柔顺性和电绝缘性。
- 技术参数
- 数均分子量通常为2000～5000。 羟值约为0.5～1.0 mmol/g。 30°C时黏度约为4000～6000 mPa·s。 25°C时密度约为0.90～0.92 g/cm³。 水分含量不超过0.1%。
English description（英文原文，共 1223 字符）
Product Name:Hydroxy-terminated polybutadiene
English Name:Hydroxy-terminated polybutadiene
CAS No.:69102-90-5
Aliases:HTPB, Hydroxyl-terminated polybutadiene
Molecular Formula:HO-(C4H6)n-OH
Physical Properties:Light yellow to amber viscous liquid. Density is approximately 0.90–0.92 g/cm³, flash point is approximately 180–220°C, and glass transition temperature is approximately -70°C. Insoluble in water; soluble in benzene, toluene, cyclohexane and other organic solvents. Resistant to hydrolysis, acids and alkalis, with good low-temperature flexibility and electrical insulation.
Uses:Used as raw material for adhesives, coatings, tires and rubber products, sealants, potting compounds and polyurethane elastomers. Also serves as a modifier for thermosetting resins, plasticizer for solid rubber, and impact-absorbing material for foams. In aerospace, it is used as a binder for hydroxyl-terminated polybutadiene in solid propellants.
Technical Specifications:
Number-average molecular weight is typically 2000–5000.
Hydroxyl value is approximately 0.5–1.0 mmol/g.
Viscosity at 30°C is approximately 4000–6000 mPa·s.
Density at 25°C is approximately 0.90–0.92 g/cm³.
Moisture content is no more than 0.1%.
English Name:Hydroxy-terminated polybutadiene
CAS No.:69102-90-5
Aliases:HTPB, Hydroxyl-terminated polybutadiene
Molecular Formula:HO-(C4H6)n-OH
Physical Properties:Light yellow to amber viscous liquid. Density is approximately 0.90–0.92 g/cm³, flash point is approximately 180–220°C, and glass transition temperature is approximately -70°C. Insoluble in water; soluble in benzene, toluene, cyclohexane and other organic solvents. Resistant to hydrolysis, acids and alkalis, with good low-temperature flexibility and electrical insulation.
Uses:Used as raw material for adhesives, coatings, tires and rubber products, sealants, potting compounds and polyurethane elastomers. Also serves as a modifier for thermosetting resins, plasticizer for solid rubber, and impact-absorbing material for foams. In aerospace, it is used as a binder for hydroxyl-terminated polybutadiene in solid propellants.
Technical Specifications:
Number-average molecular weight is typically 2000–5000.
Hydroxyl value is approximately 0.5–1.0 mmol/g.
Viscosity at 30°C is approximately 4000–6000 mPa·s.
Density at 25°C is approximately 0.90–0.92 g/cm³.
Moisture content is no more than 0.1%.
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常见问题
- 端羟基聚丁二烯的 CAS 号是多少？
- 端羟基聚丁二烯的 CAS 号是 69102-90-5。
- 端羟基聚丁二烯的分子式和分子量是什么？
- 端羟基聚丁二烯的分子式为 HO-(C4H6)n-OH。
- 端羟基聚丁二烯的英文名称是什么？
- 端羟基聚丁二烯的英文名称为 Hydroxy-terminated polybutadiene。
- 端羟基聚丁二烯还有哪些别名？
- 端羟基聚丁二烯又称 丁羟胶。
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