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Polyisobutylene, also known as "PIB" or polyisobutene, (C 4 H 8) n, is the homopolymer of isobutylene, or 2-methyl-1-propene, on which butyl rubber is based. Butyl rubber is produced by polymerization of about 98% of isobutylene with about 2% of isoprene.
Polyisobutene (polyisobutylene) is a class of organic polymers prepared by polymerization of isobutene. The polymers often have the formula Me 3 C[CH 2 CMe 2] n H (Me = CH 3). They are typically colorless gummy solids. Cationic polymerization, initiated with a strong Brønsted or Lewis acid, is the typical method for its production.
Children are proven to be more susceptible to developmental poisons from pesticides than adults. Additionally risking greater sensitivity to pesticides from compounding stressors or other environmental factors. [46] Small pesticide exposures have been shown to have an impact on young children's neurological and behavioral development. [47]
“They usually come in the form of partially hydrogenated fats and may be present in bakery, microwave popcorn, and other foods. Frying food may convert good oils into trans fats.” Sports drinks
We’re living in an era of “tweakments,” where minimally invasive cosmetic procedures like Botox and filler have been reduced to nothing more than an ordinary step in one’s skincare regimen ...
Officials there, along with the doctors and scientists on the front lines reviewing drugs, like to think of themselves as professionals dedicated to a mission—keeping dangerous products off the market and helping drug companies get good products into the market. However, when they think they are being conned, they can be tough.
Adults and children are igniting their own fireworks, but the “oohs” and “aahs” quickly turned to agony and a trip to the emergency room for some. This type of firework causes the most ...
Lycasin is a trade name given by Roquette for hydrogenated glucose syrup (hydrogenated starch hydrolysates). [1] One of the major components of Lycasin is maltitol , derived from the hydrogenation of maltose .