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Silicone resin with R = CH 3, H or OH. Silicone resins are a type of silicone material which is formed by branched, cage-like oligosiloxanes with the general formula of R n SiX m O y, where R is a non-reactive substituent, usually methyl (Me = −CH 3) or phenyl (Ph = −C 6 H 5), and X is a functional group: hydrogen (−H), hydroxyl (−OH), chlorine (−Cl) or alkoxy (−O −).
It is the precursor for the majority of silicon products produced on an industrial scale. The other products are used in the preparation of siloxane polymers as well as specialized applications. [1] Dichlorodimethylsilane is the major product of the reaction, as is expected, being obtained in about 70–90% yield.
Schematic representation of the different stages and routes of the sol–gel technology. In this chemical procedure, a "sol" (a colloidal solution) is formed that then gradually evolves towards the formation of a gel-like diphasic system containing both a liquid phase and solid phase whose morphologies range from discrete particles to continuous polymer networks.
It is a colorless, free-flowing liquid. It is a crosslinker in the preparation of polysiloxane polymers. [1] [2] Preparation, structure and reactivity
U.s. President Joe Biden spoke with Canadian Prime Minister Justin Trudeau and expressed his appreciation as the Canadian leader on Monday announced plans to step down, according to a statement ...
One use for methyltrichlorosilane is in the production of methyl silicone resins (highly crosslinked polymers). Because of the stability of the cross-linked polymers resulting from condensation, the resin is stable to 550 °C in a vacuum, making it an ideal material for electrical insulation at high temperatures. [ 1 ]
Justin Trudeau has announced he will step down after nine years as Canadian prime minister in the face of a mounting set of crises, but stay in office until a replacement party leader is chosen.
ABOARD AIR FORCE ONE (Reuters) -The White House said on Monday that Canadian Prime Minister Justin Trudeau, who announced that he will step down in the coming months after nine years in power, has ...