41. The aromatic ring of the bisphenol can be substituted with an allylic group for improved toughness of the material. 42. Besondere Aufmerksamkeit wird Bisphenol A gewidmet, das ein Hauptbestandteil von Polycarbonat ist und eine hormonell �strogenartige Wirkung hat. 43. Bisphenol A, which is used to manufacture a common class of epoxy resins, is a known endocrine disruptor.44. Different expression of ERR-? in different parts of the body may account for variations in bisphenol A effects. 45. Bisphenol A and novolac based cyanate esters are the major products; bisphenol F and bisphenol E are also used.46. Bisphenol A and novolac based cyanate esters are the major products; bisphenol F and bisphenol E are also used. 47. Bisphenol A and novolac based cyanate esters are the major products; bisphenol F and bisphenol E are also used. 48. Studies suggest that bisphenol A, certain PCBs, and phthalate compounds are preferentially eliminated from the human body through sweat. 49. The chemical bisphenol A ( BPA ) is used for thermal paper coatings because of its stability and heat-resistance. 50. Other potential xenoestrogens that have been associated with decreased sperm quality in some studies are bisphenol A, nonylphenol and octylphenol.
