18547-30-3

Usage

Uses

Used in Lubricant Additives:
2,2,7,7,9,9,14,14-octamethyl-3,8,13-trioxa-2,7,9,14-tetrasilapentadecane is utilized as a lubricant additive due to its heat-resistant and insulating properties, enhancing the performance and longevity of lubricants in various mechanical applications.
Used in Silicone-based Material Production:
In the production of silicone-based materials, 2,2,7,7,9,9,14,14-octamethyl-3,8,13-trioxa-2,7,9,14-tetrasilapentadecane serves as a key component, contributing to the development of materials with improved thermal stability and electrical insulation capabilities.
Used in Advanced Material Development:
2,2,7,7,9,9,14,14-octamethyl-3,8,13-trioxa-2,7,9,14-tetrasilapentadecane is employed in the research and development of advanced materials and technologies, leveraging its unique structural and chemical properties to create innovative solutions across various industries.

InChI:InChI=1/C16H42O3Si4/c1-20(2,3)17-13-11-15-22(7,8)19-23(9,10)16-12-14-18-21(4,5)6/h11-16H2,1-10H3

Upstream product

• 3277-26-7 1,1,3,3-Tetramethyldisiloxane 
• 18146-00-4 allyloxytrimethylsilane 

Downstream Products

• 18001-97-3 4,4,6,6-tetramethyl-5-oxa-4,6-disila-nonane-1,9-diol 
• 94592-98-0 l'hydroxypropyl-1,1,3,3,3-pentamethyldisiloxane 

Relevant academic research and scientific papers

Microwave-assisted synthesis of 1,3-bis(3-hydroxypropyl)-1,1,3,3-tetramethyldisiloxane

1,3-Bis(3-hydroxypropyl)-1,1,3,3-tetramethyldisiloxane was synthesized under microwave irradiation. The structure of the compound was analyzed by infrared spectroscopy, nuclear magnetic resonance hydrogen spectroscopy and gas chromatography. The optimal reaction condition was obtained by the single factor method. Under the optimal condition, the overall yield could reach 83.9 % and the purity of 1,3-bis(3-hydroxypropyl)-1,1,3,3-tetramethyldisiloxane was 99.1 %. It is found that under microwave radiation the reactions are very rapid with good yield, better quality and less time is required for the completion of the reaction.

Synthesis and characterization of some bis(hydroxyalkyl)- and bis(hydroxyester)-functionalized disiloxanes

Novel hydroxyester disiloxanes (1,3-bis(6-hydroxyhexa noylmethyl)-1,1,3,3- tetramethyl disiloxane and 3-bis(2-hydroxypropanoylmethyl)tetramethyl disiloxane) were synthesized, and preparation of other known monomers, namely 1,3-bis(hydroxypropyl)-1,1,3,3-tetramethyl disiloxane, 1,3- bis(hydroxyethoxypropyl)-1,1,3,3-tetramethyl disiloxane and 1,3- bis(hydroxymethyl)-1,1,3,3-tetramethyl disiloxane was developed to obtain better yields and reduce production time and expense. All compounds were characterized by infrared spectroscopy, using 1H NMR, 13C NMR, and 29Si NMR and were reacted with diisocyanates, resulting in poly(siloxane-urethane) copolymers with unique properties.

Synthesis of disiloxanes containing hydroxyalkyl groups

Four 1,3-bis(ω-hydroxyalkyl)tetramethyldisiloxanes 2O (I; n = 3-6) were synthsized by methanolysis of the correspondig trimethylsilylterminated disiloxanes (III).The latter were obtained from 1,1,3,3-tetramethyldisiloxane (II) and the appropriate (ω-alkenyloxy)trimethylsilanes (IV).Under acidic conditions III formed in addition to I, the corresponding (ω-hydroxyalkyl)pentamethyldisiloxanes HO(CH2)nSiMe2OSiMe3 (V; n = 3-6).