The VTI National Transport Library Catalogue

Isocyanater och bilglasarbete. Vilka är problemen och hur skyddar man sig Antonsson, Ann-Beth ; Ancker, Klas ; Christensson, Bengt

By: Antonsson, Ann-BethContributor(s): Ancker, Klas | Christensson, BengtPublication details: Stockholm IVL Svenska Miljöinstitutet AB, 2002; Rapport B 1440, Description: 27 sSubject(s): Sweden | Pollution | Illness | Working conditions | 15Online resources: Publikation/Publication Abstract: When mounting car glass, an isocyanate-containing glue is used. Exposure to isocyanates may occur both through skin and inhalation in the mounting process. Exposure may also occur during dismounting, if a tool which generates heat through friction is used. Isocyanate-containing materials as such polyurethane-glue may decompose when heated above 150-200 oC. Decomposition of polyurethane-glue may also occur if spills are removed using heat. Measurements have been done to study the formation of, and exposure to isocyanates when tools that generate heat are used for dismounting. Two tools, Excalibur (almost the same as Equalizer) and sawing using a golden thread, released small amounts of isocyanates. Therefore it is recommended to avoid these tools for dismounting. Earlier measurements indicate that mounting of car glass does not lead to high exposures to isocyanates through inhalation. During the mounting process skin contact with the glue may occur. It is recommended that all skin contact with isocyanate- containing glue should be avoided, as there are indications that skin contact may cause isocyanate-induced asthma. Blood samples were taken from twelve car glass workers for the analysis of metabolites from isocyanates. The concentration of such metabolites proved to be below the detection limit of the analytical method. Interviews were also made with ten people that had reported a work related injury or disease that was suspected to be caused by car glass work. Control measures are recommended that will reduce the exposure to isocyanates. For example glues that contain TDI or HDI should be avoided in favour of glues based on prepolymerized isocyanates. Skin contact should be avoided when glueing. Some tools should be avoided for dismounting. Spills should not be removed with heat. Additionally, the regulations concerning work with isocyanates should be respected, including adequate training and medical examination before starting to work with isocyanates and thereafter on a regular basis.
Item type: Reports, conferences, monographs
No physical items for this record

When mounting car glass, an isocyanate-containing glue is used. Exposure to isocyanates may occur both through skin and inhalation in the mounting process. Exposure may also occur during dismounting, if a tool which generates heat through friction is used. Isocyanate-containing materials as such polyurethane-glue may decompose when heated above 150-200 oC. Decomposition of polyurethane-glue may also occur if spills are removed using heat. Measurements have been done to study the formation of, and exposure to isocyanates when tools that generate heat are used for dismounting. Two tools, Excalibur (almost the same as Equalizer) and sawing using a golden thread, released small amounts of isocyanates. Therefore it is recommended to avoid these tools for dismounting. Earlier measurements indicate that mounting of car glass does not lead to high exposures to isocyanates through inhalation. During the mounting process skin contact with the glue may occur. It is recommended that all skin contact with isocyanate- containing glue should be avoided, as there are indications that skin contact may cause isocyanate-induced asthma. Blood samples were taken from twelve car glass workers for the analysis of metabolites from isocyanates. The concentration of such metabolites proved to be below the detection limit of the analytical method. Interviews were also made with ten people that had reported a work related injury or disease that was suspected to be caused by car glass work. Control measures are recommended that will reduce the exposure to isocyanates. For example glues that contain TDI or HDI should be avoided in favour of glues based on prepolymerized isocyanates. Skin contact should be avoided when glueing. Some tools should be avoided for dismounting. Spills should not be removed with heat. Additionally, the regulations concerning work with isocyanates should be respected, including adequate training and medical examination before starting to work with isocyanates and thereafter on a regular basis.

Powered by Koha