phthalates

phthalates,

family of chemical compounds made from alcohols and phthalic anhydride, C₆H₄(CO)₂O. Oily, colorless, odorless liquids that do not evaporate readily, they are used primarily to make polyvinyl chloridepolyvinyl chloride
(PVC), thermoplastic that is a polymer of vinyl chloride. Resins of polyvinyl chloride are hard, but with the addition of plasticizers a flexible, elastic plastic can be made. This plastic has found extensive use as an electrical insulator for wires and cables.
..... Click the link for more information. (PVC) soft and flexible. When added to plastics, phthalates allow the long polyvinyl molecules to slide against one another. Phthalates may be found in some types of flooring, medical devices such as intravenous (IV) bags and tubing, children's toys, lubricants, footwear, electrical cable, hair sprays, and as plasticizers in nail polish, perfumes or other fragrances to make the scent last longer. The so-called new car smell, which becomes especially pungent after a car has been sitting in the sun, is partly the odor of phthalates volatilizing from a hot plastic dashboard. In laboratory animals, some phthalates have been linked with liver abnormalities as well as fertility problems and birth defects. As a consequence, the use of some phthalates in children's toys is restricted in the European Union.

单词	phthalates
释义	DictionarySeephthalate phthalates phthalates, family of chemical compounds made from alcohols and phthalic anhydride, C₆H₄(CO)₂O. Oily, colorless, odorless liquids that do not evaporate readily, they are used primarily to make polyvinyl chloridepolyvinyl chloride (PVC), thermoplastic that is a polymer of vinyl chloride. Resins of polyvinyl chloride are hard, but with the addition of plasticizers a flexible, elastic plastic can be made. This plastic has found extensive use as an electrical insulator for wires and cables. ..... Click the link for more information. (PVC) soft and flexible. When added to plastics, phthalates allow the long polyvinyl molecules to slide against one another. Phthalates may be found in some types of flooring, medical devices such as intravenous (IV) bags and tubing, children's toys, lubricants, footwear, electrical cable, hair sprays, and as plasticizers in nail polish, perfumes or other fragrances to make the scent last longer. The so-called new car smell, which becomes especially pungent after a car has been sitting in the sun, is partly the odor of phthalates volatilizing from a hot plastic dashboard. In laboratory animals, some phthalates have been linked with liver abnormalities as well as fertility problems and birth defects. As a consequence, the use of some phthalates in children's toys is restricted in the European Union. phthalates phthalates (thăl′ātes) Chemical compounds used to improve the flexibility of plastics. In health care, phthalates are used in devices such as intravenous tubing. They are also used in numerous consumer goods, including nail polish, soaps, shampoos, and vinyl, among many others. Some evidence suggests these compounds may have carcinogenic, endocrine disruptive, or other toxic effects on adults or the developing fetus.
随便看	oinf oinfc oing oingo boingo oink oinked oinked out oinker oinkers oinking oinking out oink out oink out on oink out (on something) oink out on something oinks oinks out oinn oinoccidian glycerin of lead subacetate oinochoe oinology oinomancy oinomania oinone oinophily