نتایج جستجو برای: butyl rubber

تعداد نتایج: 31323  

Journal: :British journal of industrial medicine 1966
H O Engel C D Calnan

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...

Journal: :The Annals of occupational hygiene 2009
Cynthia J Hines Nancy B Nilsen Hopf James A Deddens Antonia M Calafat Manori J Silva Ardith A Grote Deborah L Sammons

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...

Journal: :Polymers 2021

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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