N-cyclohexyl-N'-phenyl-p-phenylenediamine

N-Phenyl-N'-Cyclohexyl-p-Phenylenediamine (CPPD) is a rubber chemical used as an antioxidant. Cross reactions are frequently observed with isopropylphenylparaphenylenediamine (lPPD). Uses N-Phenyl-N''-cyclohexyl-p-phenylenediamine (>90%) is an antioxidant CPPD; used in preparation method of degradable sealant.