Inproceedings: An article in a conference proceedings.
Asthme professionnel dû aux isocyanates: nouvelles orientations des recherches en hygiène du travail
Title of the conference
Sozial- Und Präventivmedizin
Publication types: English Abstract ; Journal ArticlePublication Status: ppublish
The replacement of the HDI monomer by less volatile prepolymers is not accompanied by a decrease of the incidence of occupational asthma in Switzerland. Field measurements show that the prepolymer concentration levels may be high although the monomer is hardly detectable or complies with the norm. Our researches are focused on the improvement of generation and measurement techniques (international quality control), on the characterization of the prepolymers to study their transformation in biological media. Field surveys will be conducted to establish the prepolymer concentration profiles. We recommend for the introduction in Switzerland of threshold limit values for HDI-biuret and isocyanurate.
Air Pollutants, Occupational, Asthma/chemically induced, Cyanates/toxicity, Humans, Isocyanates/toxicity, Maximum Allowable Concentration, Pneumoconiosis/etiology, Switzerland
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