Analysis of structure/functional property relationships for novolak resins containing cresols has only been recently reported (13- 15).
Dimers of the meta or para-cresols with the 2,3,5 trimethyl phenol with a small amount of dimers of the meta or para cresols or cross products were found under these conditions (18).
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Cresols as key fine chemical intermediates play an important role in producing antioxidant, Vitamin E, pesticides, flavor and so on.
What is the situation of cresols production in China?
The fact that this value was higher than the values for p-cresol, 5-methylresorcinol, resorcinol and o-cresol indicates that phenol was more readily oxidized by the studied activated sludge than cresols or resorcinols.
The obtained results showed that phenol, hydroxyphenols and cresols were degraded by activated sludge faster than dimethylphenols.
A) Astringent Drug Products -- Acetone, Alcohol, Alum (Ammonium), Alum (Potassium), Aluminum Chlorhydroxy Complex, Aromatics, Benzalkonium Chloride, Benzethonium Chloride, Benzocaine, Benzoic Acid, Boric Acid, Calcium Acetate, Camphor Gum, Clove Oil, Colloidal Oatmeal, Cresol
, Cupric Sulfate, Eucalyptus Oil, Ugenol, Honey, Isopropyl Alcohol, Menthol, Methyl Salicylate, Oxyquinoline Sulphate, P-T-Butyl-M-Cresol
, Peppermint Oil, Phenol, Polyoxytheylene Laurate, Potassium Ferrocyanide, Sage Oil, Silver Nitrate, Sodium Borate, Sodium Diacetate, Talc, Tannic Acid Glycerite, Thymol, Topical Starch, Zinc Chloride, Zinc Oxide, Zinc Phenolsulfonate, Zinc Stearate, Zinc Sulfate.