Ad
related to: acrylonitrile toxicity treatment for humans
Search results
Results From The WOW.Com Content Network
This salt can be converted to acrylamide with treatment with base or to methyl acrylate by treatment with methanol. [5] The reaction of acrylonitrile with protic nucleophiles is a common route to a variety of specialty chemicals. The process is called cyanoethylation: YH + H 2 C=CHCN → Y−CH 2 −CH 2 CN
Acrylamide can be prepared by the hydration of acrylonitrile, which is catalyzed enzymatically: [6] CH 2 =CHCN + H 2 O → CH 2 =CHC(O)NH 2. This reaction also is catalyzed by sulfuric acid as well as various metal salts. Treatment of acrylonitrile with sulfuric acid gives acrylamide sulfate, CH=CHC(O)NH 2 ·H 2 SO 4.
Acrylonitrile is commonly employed as a comonomer with styrene, e.g. acrylonitrile, styrene and acrylate plastics. Labelling of items of clothing with acrylic (see acrylic fiber) means the polymer consists of at least 85% acrylonitrile as the monomer. A typical comonomer is vinyl acetate, which can be solution-spun readily to obtain fibers that ...
Acrylonitrile butadiene styrene (ABS) (chemical formula (C 8 H 8) x · (C 4 H 6) y · (C 3 H 3 N) z) is a common thermoplastic polymer. Its glass transition temperature is approximately 105 °C (221 °F). [4] ABS is amorphous and therefore has no true melting point. ABS is a terpolymer made by polymerizing styrene and acrylonitrile in the ...
The main cause of toxic effects at lethal (and threshold) levels of MeAN is damage to the central nervous system. This, along with the signs of toxic effects displayed by all tested animals, is consistent with cyanide poisoning. Methacrylonitrile differs herein from acrylonitrile, which does not show cyanide related signs of toxicity.
Chronic solvent-induced encephalopathy (CSE) is a condition induced by long-term exposure to organic solvents, often—but not always—in the workplace, that lead to a wide variety of persisting sensorimotor polyneuropathies and neurobehavioral deficits even after solvent exposure has been removed.
Healthcare workers did not know about the health effects of acrylonitrile and tried to treat the victims with painkillers and IV fluids. [5] One lawyer, Ayşe Akdemir, sued the company with 44 families as the plaintiffs. [5] Aksa Akrilik was sued by 200 residents who were affected by acrylonitrile, a known human carcinogen. [2]
An alternative version of NBR is carboxylated nitrile butadiene rubber (XNBR). XNBR is a terpolymer of butadiene, acrylonitrile, and acrylic acid. [11] The presence of the acrylic acid introduces carboxylic acid groups (RCO 2 H). These groups allow crosslinking through the addition of zinc (Zn 2+) additives. The carboxyl groups are present at ...