Air impurities in the PVC plastics procesing industry

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<title>Air impurities in the PVC plastics procesing industry</title>
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<title>The Annals of occupational hygiene</title>
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<namePart>Vainiotalo, Sinikka</namePart>
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<namePart>Pfäffli, Pirkko</namePart>
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<abstract displayLabel="Summary">Polyvinylchloride (PVC) is a common thermoplastic and one which often contains plasticizers. The most important plasticizer is di-2-ethylhexylphthalate (DEHP). Hygienic conditions in the PVC processing industry were surveyed by measuring the air concentrations of hydrogen chloride, DEHP and phtalic anhydride in different conditions of actual processing. Methods of sampling and analysis were developed and tested for these measurements. The results show that the PVC polymer was efficiently stabilized in normal processing conditions, but that plasticizers, which are not chemically bonded to the polymer, may volatilize more easily</abstract>
<note type="statement of responsibility">Sinikka Vainiotalo and Pirkko Pfäffli</note>
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<topic>Higiene industrial</topic>
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<topic>Contaminación atmosférica</topic>
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<topic>Control de la contaminación</topic>
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<topic>Contaminantes químicos</topic>
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<topic>PVC</topic>
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<topic>Cloruro de hidrógeno</topic>
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<topic>Termoplásticos</topic>
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<topic>Plásticos</topic>
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<topic>Industria del plástico</topic>
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<title>The Annals of occupational hygiene</title>
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<text>nº 6, December 1990 ; p. 585-590</text>
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