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  2. Polydimethylsiloxane - Wikipedia

    en.wikipedia.org/wiki/Polydimethylsiloxane

    Polydimethylsiloxane (PDMS), also known as dimethylpolysiloxane or dimethicone, is a silicone polymer with a wide variety of uses, from cosmetics to industrial lubrication and passive daytime radiative cooling. [1] [2] [3] PDMS is particularly known for its unusual rheological (or flow) properties.

  3. Release agent - Wikipedia

    en.wikipedia.org/wiki/Release_agent

    Polydimethylsiloxane (PDMS) is a typical release agent. A release agent (also mold release agent, release coating, or mold release coating) is a chemical used to prevent other materials from bonding to surfaces. Release agents aid in processes involving mold release, die-cast release, plastic release, adhesive release, and tire and web release. [1]

  4. Organosilicon chemistry - Wikipedia

    en.wikipedia.org/wiki/Organosilicon_chemistry

    Polydimethylsiloxane (PDMS) is the principal component of silicones. Organosilicon chemistry is the study of organometallic compounds containing carbon–silicon bonds, to which they are called organosilicon compounds. Most organosilicon compounds are similar to the ordinary organic compounds, being colourless, flammable, hydrophobic, and ...

  5. Siloxane - Wikipedia

    en.wikipedia.org/wiki/Siloxane

    Polydimethylsiloxane is a prevalent siloxane. In organosilicon chemistry, a siloxane is an organic compound containing a functional group of two silicon atoms bound to an oxygen atom: Si−O−Si. The parent siloxanes include the oligomeric and polymeric hydrides with the formulae H[OSiH 2] n OH and [OSiH 2] n. [1]

  6. BMW recalls 2024: Check the list of models recalled this year

    www.aol.com/bmw-recalls-2024-check-list...

    BMW recalled certain 2023-2024 X1, X5, X6, X7, XM, 530i, i5, 740i, 760i, i7, and 750e vehicles.. The NHTSA report said that the integrated brake system may malfunction and result in a loss of ...

  7. Rain-X - Wikipedia

    en.wikipedia.org/wiki/Rain-X

    The primary use of Rain-X is for automotive applications. Commercially sold "Original Glass Treatment" is the original and most well known Rain-X branded product. It is a hydrophobic silicone polymer [3] that forces water to bead and roll off of the car, often without needing wipers. It is sold in bottles of 3.5 or 7 US fluid ounces (100 or 210 ...

  8. Silicone - Wikipedia

    en.wikipedia.org/wiki/Silicone

    Chemical structure of the silicone polydimethylsiloxane (PDMS) Alfred Stock and Carl Somiesky examined the hydrolysis of dichlorosilane, a reaction that was proposed to initially give the monomer H 2 SiO: + + When the hydrolysis is performed by treating a solution of H 2 SiCl 2 in benzene with water, the product was determined to have the approximate formula [H 2 SiO] 6.

  9. Defoamer - Wikipedia

    en.wikipedia.org/wiki/Defoamer

    Polydimethylsiloxane is a widely used antifoaming agent. Silicone-based defoamers are also suitable in non-aqueous foaming systems like crude oil and oil refining. For very demanding applications fluorosilicones may be suitable. EO/PO-based defoamers contain polyethylene glycol and polypropylene glycol copolymers.