Process for the mass pigmenting of rigid polyvinyl chloride and

Details Process for the mass pigmenting of rigid polyvinyl chloride and Process for the mass pigmenting of rigid polyvinyl chloride and

1979-05-10

1980-12-09

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08K 534

Patent

active

042383862

ABSTRACT:
A process for pigmenting polyolefins and rigid polyvinyl chloride, which comprises the use of perylenetetracarboxylic acid diimide pigments of the formula ##STR1## wherein R.sub.1 represents an aliphatic or cycloaliphatic radical of at least 12 carbon atoms and R.sub.2 represents hydrogen or an aliphatic or cycloaliphatic radical. These pigments are exceptionally suitable for pigmenting polyolefins and rigid polyvinyl chloride.

REFERENCES:
patent: 2890220 (1959-06-01), Eckert et al.
patent: 4018791 (1971-04-01), Spietschka

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