نتایج جستجو برای: butyl rubber
تعداد نتایج: 31323 فیلتر نتایج به سال:
An outbreak of dermatitis in a car assembly factory is described; it affected 5o workers who handled rubber weatherstrips coated with an adhesive. The adhesive was found to contain para-tertiary butyl phenol (P.T.B.P.) formaldehyde resin. Of those patch tested 70% gave positive reactions to the adhesive and 65% to the resin. Improved methods of handling and personal protection succeeded in arre...
Phthalates are used as plasticizers and solvents in industrial, medical and consumer products; however, occupational exposure information is limited. We sought to obtain preliminary information on occupational exposures to diethyl phthalate (DEP), di-n-butyl phthalate (DBP) and di(2-ethylhexyl) phthalate (DEHP) by analyzing for their metabolites in urine samples collected from workers in a cros...
This work concerns the effect of fillers and ionic liquids on cure characteristics natural rubber (NR) compounds, as well mechanical thermal properties vulcanizates. Three types white filler were applied, such cellulose, nanosized silica hydrotalcite, to modify performance NR composites. Additionally, (ILs) with bromide anion different cations, i.e., 1-butyl-3-methylimidazolium (Bmi) 1-butyl-3-...
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