Sökning: "formaldehyde catalyst"

Visar resultat 6 - 6 av 6 uppsatser innehållade orden formaldehyde catalyst.

1. 6. A method of chemical aftertreatment for the reduction of free formaldehyde release of a durable flame retardant finished cotton fabric

   Master-uppsats, Akademin för textil, teknik och ekonomi

   Författare :Saima Saleem; [2015]
   Nyckelord :Aftertreatment; flame retardant; free formaldehyde; tetrakis hydroxymethyl phosphonium chloride THPC urea pre-condensate; ammonia curing; sodium metabisulfite; resorcinol; diethylene glycol; boric acid; curing; oxidation;

   Sammanfattning : This thesis aims at developing a method of chemical aftertreatment for reduction of free formaldehyde release of a tetrakis (hydroxymethyl) phosphonium chloride (THPC) urea precondensate, ammonia cured durable flame retardant finished cotton fabric, by preventing the formation of free formaldehyde. Formaldehyde is toxic and carcinogenic. LÄS MER