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SYNTHETIC NITROGEN PRODUCTS Process Technology

Fluorination of polyethylene surfaces leads to an increase in the surface energy, some degree of cross-linking and a reduction of the free volume of the polymer. All of these effects impart on the surface of the polymer a barrier that is very impermeable to hydrocarbon solvents. A blow-moulding process, in which a low concentration of fluorine in nitrogen is used as the blow-moulding gas, is used for the production of plastic fuel tanks for the automotive industry (Airopak , Air Products) [51]. Post-treatment of hydrocarbon surfaces with fluorine is an alternative technology and techniques for the surface fluorination of natural and synthetic rubber have been described [52]. [Pg.8]

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NitroGEN process

Nitrogen products

Nitrogen technology

Nitrogeneous production

Product technology

Production technologies

SYNTHETIC NITROGEN PRODUCTS

Synthetic process

Synthetic production

Synthetic production processes

Technological process

Technological products

Technology processability

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