FIELD: chemistry.
SUBSTANCE: disclosed is an amine antioxidant for rubber in form of a dustless powdered composition based on N-2-ethylhexyl-N'-phenyl-p-phenylene diamine. The antioxidant contains liquid N-2-ethylhexyl-N'-phenyl-p-phenylene diamine which is sorbed on kaolin, with the following ratio of starting components in wt %: kaolin - 70.8-73.8, said N-2-ethylhexyl-N'-phenyl-p-phenylene diamine - 26.2-29.2.
EFFECT: reduced caking and lumping of the antioxidant, high stability thereof and longer storage life.
3 tbl, 3 ex
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Authors
Dates
2012-07-27—Published
2011-02-09—Filed