toluene diisocyanate

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toluene diisocyanate

chemical compound

Also known as: TDI

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preparation of polyurethane

In major industrial polymers: Polyurethanes
…used to prepare polyurethanes are toluene diisocyanate (TDI), methylene-4,4′-diphenyl diisocyanate (MDI), and a polymeric isocyanate (PMDI). These isocyanates have the following structures:
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respiratory disease

In respiratory disease: Respiratory toxicity of industrial chemicals
Toluene diisocyanate, used in the manufacture of polyurethane foam, may cause occupational asthma in susceptible individuals at very low concentrations; in higher concentrations, such as may occur with accidental spillage, it causes a transient flulike illness associated with airflow obstruction. Prompt recognition of this syndrome…
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