α-氢-ω-羟基-聚二甲基硅氧烷 (CAS No.31692-79-2)
- 中文别名
- 羟基封端聚二甲基硅氧烷；端羟基聚二甲基硅氧烷；羟基硅油
- 英文名称
- POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED
- 分子式
- (C2H6OSi)nH2O
- 所属类别
- 有机无机原料
- 物化性质
- 无色透明粘稠液体，无味，闪点高，具有优异的耐高低温性、电绝缘性、耐候性和化学稳定性。分子链两端含有活性羟基，可参与缩合反应。介电常数低，表面张力小，疏水性强。粘度可根据聚合度调整，从低粘度流体到高粘度膏状物。
- 闪点
- >200℃
English description（英文原文，共 1364 字符）
Product Name:POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED
English Name:POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED
CAS No.:31692-79-2
Aliases:Hydroxy-terminated polydimethylsiloxane, Hydroxyl-terminated polydimethylsiloxane, Hydroxy silicone oil
Molecular Formula:(C2H6OSi)nH2O
Physical Properties:Colorless transparent viscous liquid, odorless, high flash point, excellent high and low temperature resistance, electrical insulation, weather resistance and chemical stability. The molecular chain ends contain active hydroxyl groups that can participate in condensation reactions. Low dielectric constant, low surface tension, strong hydrophobicity. Viscosity can be adjusted based on degree of polymerization, ranging from low-viscosity fluids to high-viscosity pastes.
Uses:Mainly used as base polymer for silicone sealants and silicone rubber, forming elastomers by reacting with crosslinking agents. Also used as textile finishing agent, mold release agent, defoamer and leather finishing agent. In electronics and electrical fields, it serves as the base polymer for potting compounds and insulating coatings.
Technical Specifications:
Viscosity (25°C): 100-100000 mPa·s, selectable by grade
Hydroxyl content: 0.1%-5.0%, depending on degree of polymerization
Refractive index (nD25): 1.400-1.410
Flash point: >200°C
Relative density (25°C): 0.96-0.98
English Name:POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED
CAS No.:31692-79-2
Aliases:Hydroxy-terminated polydimethylsiloxane, Hydroxyl-terminated polydimethylsiloxane, Hydroxy silicone oil
Molecular Formula:(C2H6OSi)nH2O
Physical Properties:Colorless transparent viscous liquid, odorless, high flash point, excellent high and low temperature resistance, electrical insulation, weather resistance and chemical stability. The molecular chain ends contain active hydroxyl groups that can participate in condensation reactions. Low dielectric constant, low surface tension, strong hydrophobicity. Viscosity can be adjusted based on degree of polymerization, ranging from low-viscosity fluids to high-viscosity pastes.
Uses:Mainly used as base polymer for silicone sealants and silicone rubber, forming elastomers by reacting with crosslinking agents. Also used as textile finishing agent, mold release agent, defoamer and leather finishing agent. In electronics and electrical fields, it serves as the base polymer for potting compounds and insulating coatings.
Technical Specifications:
Viscosity (25°C): 100-100000 mPa·s, selectable by grade
Hydroxyl content: 0.1%-5.0%, depending on degree of polymerization
Refractive index (nD25): 1.400-1.410
Flash point: >200°C
Relative density (25°C): 0.96-0.98
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常见问题
- α-氢-ω-羟基-聚二甲基硅氧烷的 CAS 号是多少？
- α-氢-ω-羟基-聚二甲基硅氧烷的 CAS 号是 31692-79-2。
- α-氢-ω-羟基-聚二甲基硅氧烷的分子式和分子量是什么？
- α-氢-ω-羟基-聚二甲基硅氧烷的分子式为 (C2H6OSi)nH2O。
- α-氢-ω-羟基-聚二甲基硅氧烷的英文名称是什么？
- α-氢-ω-羟基-聚二甲基硅氧烷的英文名称为 POLY(DIMETHYLSILOXANE), HYDROXY TERMINATED。
- α-氢-ω-羟基-聚二甲基硅氧烷还有哪些别名？
- α-氢-ω-羟基-聚二甲基硅氧烷又称 羟基封端聚二甲基硅氧烷、端羟基聚二甲基硅氧烷、羟基硅油。
- α-氢-ω-羟基-聚二甲基硅氧烷有哪些供应商和生产厂家？
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