Organo-Modified Siloxane
CARBINOL (HYDROXYL) TERMINATED POLYDIMETHYLSILOXANE
CAS: 67674-67-3
Molecular Formula: C7H22O2Si3
Organo-Modified Siloxane - Names and Identifiers
Organo-Modified Siloxane - Physico-chemical Properties
| Molecular Formula | C7H22O2Si3 |
| Molar Mass | 222.50488 |
| Density | 1,02 g/cm3 |
| Melting Point | 0°C |
| Boling Point | 0°C |
| Flash Point | 0°C |
| Specific Gravity | 1.02 |
| Sensitive | 4: no reaction with water under neutral conditions |
| Refractive Index | 1.5580 |
Organo-Modified Siloxane - Risk and Safety
| TSCA | Yes |
Organo-Modified Siloxane - Synthesis and interfacial properties of block Polyether polydimethylsiloxane
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Author:
Huang , Yang Fan , Peng Li , Ren Qinghai , An Qiufeng
Abstract:
using 1,1,3, 3-tetramethyldisiloxane (D2H) and octamethylcyclotetrasiloxane (D4) as starting materials, double-terminal hydrogen-containing polydimethylsiloxane (PHMS) was prepared by acid-catalyzed equilibrium reaction, and then block Polyether polydimethylsiloxane (PEPS) was synthesized by hydrosilylation reaction with monoallyl polyethylene glycol methyl ether under platinum catalysis. The structure of PEPS was characterized by IR and 1HNMR, and its surface activity was studied by measuring the equilibrium surface tension of PEPS aqueous solution. The results show that PEPS has good surface activity, and its critical micelle concentration (cm c) is 0.7g · L ^-1, the surface tension at cm c is 25.5 mN · m ^-1. The contact angle of PEPS aqueous solution with mass fraction of 0.05% on plastic film for 30 s is 37.2 ° (the contact angle of water on plastic film for 30 s is 59.3 °), the spreading area is 5 times that of water.
Key words:
block-type Polyether polydimethylsiloxane; Preparation; interface performance
DOI:
CNKI:SUN:CHEM.0.2010-05-007
cited:
year:
2010
Last Update：2024-01-02 23:10:35
Organo-Modified Siloxane - Reference Information
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Last Update：2024-04-09 19:43:38
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