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The original coral-colored Silly Putty is composed of 65% dimethylsiloxane (hydroxy-terminated polymers with boric acid), 17% silica (crystalline quartz), 9% Thixatrol ST (castor oil derivative), 4% polydimethylsiloxane, 1% decamethyl cyclopentasiloxane, 1% glycerine, and 1% titanium dioxide. [6] Silly Putty flowing through a hole
TMS is a contaminant in the atmospheres of spacecraft, where it arises from the degradation of silicone-based materials. [5] Specifically, it is the volatile product from the hydrolysis of polydimethylsiloxane, which are generally terminated with trimethylsilyl groups:
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.
Meet the expert: Felicia Wu, PhD, is a professor of food safety, toxicology, and risk assessment at Michigan State University. Which heavy metals were found in protein powders?
“The nation’s largest nursing home pharmacy, Omnicare Inc. of Covington, Kentucky, will pay $98 million,” Assistant Attorney General Tony West announced, to settle charges that it “solicited and received kickbacks from a pharmaceutical manufacturer, Johnson & Johnson (J&J), in exchange for agreeing to recommend that physicians prescribe Risperdal, a J&J antipsychotic drug, to nursing ...
A 19-year-old man about a quarter-mile down the road from the site suffered a fatal injury from a flying canister, Clinton Township Fire Chief Tim Duncan said at a Tuesday morning news conference.
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]
The Michigan Court of Appeals said the state's Child Protection Law does not cover the specific sex abuse allegations made against a mother. Michigan Court of Appeals: Judge, MDHHS improperly ...