Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1981-06-17
1983-01-25
Raymond, Richard
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C09B 4704
Patent
active
043702708
ABSTRACT:
A .beta.-copper phthalocyanine pigment which consists, to the extent of more than 50% by weight, of flakes which are not less than 10 .mu.m long and 3 .mu.m wide, the length:width ratio being not less than 3.3:1, and which has a reflection maximum between 610 and 640 nm and another between 710 and 740 nm.
In surface coatings and printing inks the pigment gives optical effects resembling those of metallic pigments. In a baking finish, reddish brown to bluish gray colorations with a metallic reflectance are obtained.
REFERENCES:
patent: 2999862 (1961-09-01), Geiger
patent: 3593927 (1971-07-01), Neill
patent: 3775149 (1973-11-01), Langley et al.
patent: 3944564 (1976-03-01), Hanke
patent: 3954794 (1976-05-01), Jackson
Moser et al., Phthacyanine Compounds, Reinhold Publishing Corp., New York, (1963), pp. 23-26.
Bock Gustav
Fabian Wolfgang
BASF - Aktiengesellschaft
Raymond Richard
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