aromatic amines

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aromatic amines

A group of chemical compounds some of which are known to be capable of causing cancer. They include benzidine, B-naphthylamine and 4-amino diphenyl. Many industrial workers exposed to these chemicals, especially in the rubber industry, developed bladder cancer.
References in periodicals archive ?
For the PEMI, based on PEMA modified with pend ent aromatic amine groups (entry 9), a similar trend can be observed: an average peel force of 7 N [m.
The first pathway involves an excitation of the aromatic chromophore to produce a photo-Fries product, such as a primary aromatic amine, at wavelengths up to about 340 nm.
Flexible packaging for foods promises to help the world manage energy use and resource deployment in significant ways," says Norder, who adds that use of the company's acrylic emulsion adhesives also eliminates the safety risk of aromatic amine migration and solvent contamination, concerns widely discussed throughout Europe.
Usually, azocompounds are prepared by diazotization of the aromatic amine in mineral acid at about 0degC followed by coupling with nucleophiles [7].
E Liquid Hardener,- This Shall Be Liquid Type Suach As An Aliphatic Amine, An Aliphatic Or Aromatic Amine Adduct, A Polyamide Or Amido Polyamine Or Any Other Suitable Hardener.
The inductive effects of the para ester provides an aromatic amine functionality with sufficiently low reactivity to be used with liquid MDIs.
Between 1925 and 1940 a big number of patents on antioxidants were issued, most of them based on secondary aromatic amine derivatives.
Tests may include determining coat weight, bond strength, product resistance, primary aromatic amine levels or many other important facets of lamination," explains Hans-Gunter Schetschok, development and technical service manager at the Bremen Technical Center.
Hindered phenols and aromatic amine compounds act as radical chain terminators.
Additionally," says Brambilla, "these adhesives tackle solvent-retention concerns that can affect food quality and also eliminate primary aromatic amine (PAA) formation," a food contact concern related to aromatic solvent-based bonding options that has drawn intense legislative and public scrutiny.
The most effective seemed to belong to the aromatic amine class.
The relationship between aromatic amine exposure, N-acetyltransferase 2 polymorphism (NAT2), and bladder cancer is a classic illustration of the principle of dose-effect modification of an environmental exposure by polymorphisms.